MAYTAG A-GPHM3 Packaged Heat Pump Unit Installation Guide

Installation Guide for MAYTAG models including: 13.4 SEER2, Series, A-GPHM3 Packaged Heat Pump Unit, A-GPHM3, Packaged Heat Pump Unit, Heat Pump Unit, Pump Unit

Packaged Heat Pump Unit A/GPHM3 13.4 SEER2 “M” ...

Mar 26, 2025 — Refer to the Roof Curb Installation Instructions for proper curb installation. ... SEE USER MANUAL. FOR MORE DETAILS. RED LED'S STATUS. MODE. CHECK. 1 FLASH.

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Packaged Heat Pump Unit A/GPHM3 13.4 SEER2 "M" Series with R-32 Installation Instructions

WARNING
Only personnel that have been trained to install, adjust, service, maintenance or repair (hereinafter, "service") the equipment specified in this manual should service the equipment.
This equipment is not intended for use by persons (including children) with reduced physical, sensory or mental capacities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with the equipment.
The manufacturer will not be responsible for any injury or property damage arising from improper supervision, service or service procedures. If you service this unit, you assume responsibility for any injury or property damage which may result. In addition, in jurisdictions that require one or more licenses to service the equipment specified in this manual, only licensed personnel should service the equipment. Improper supervision, installation, adjustment, servicing, maintenance or repair of the equipment specified in this manual, or attempting to install, adjust, service or repair the equipment specified in this manual without proper supervision or training may result in product damage, property damage, personal injury or death.

NOTE: This equipment is only approved for use with R-32 refrigerant.

WARNING
Do not bypass safety devices.

RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.
NOTE: *PHM3 models apply to both Amana® Brand and Goodman products only.

IOG-3035B 03/2025

Our continuing commitment to quality products may mean a change in specifications without notice.
© 2024-2025 Daikin Comfort Technologies Manufacturing, L.P. 19001 Kermier Rd. Waller, TX 77484
www.goodmanmfg.com · www.amana-hac.com
is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved.

Table of Contents
To The Installer............................................................. 2 Shipping Inspection ....................................................... 3
Transportation Damage ......................................... 3 Message to the Homeowner ................................... 3 Replacement Parts ....................................................... 3 Ordering Parts ......................................................... 3 Important Safety instructions................................... 3 Recognize Safety Symbols, Words and Labels . 3 Cabling ....................................................................... 3 General Information .................................................... 5 Qualification of Workers ...................................... 5 EPA Regulations ....................................................... 5 National Codes ......................................................... 5 Major Components................................................... 5 Pre-Installation Checkpoints................................ 5 Unit Location.................................................................. 6 Clearance and Accessibility.................................. 6 Roof Top Installation.............................................. 7 Roof Curb Installations ......................................... 7 Rigging Details .............................................................. 8 Circulating Air and Filters......................................... 9 Air Flow Conversion................................................. 9 Horizontal Air Flow .................................................. 9 Down Discharge Applications ................................. 9 Ducting......................................................................... 9 Connecting the Return and Supply Flexible Duct in Manufactured or Modular Housing Application ................................................................ 10 Plenum Application.................................................. 10 Filters ........................................................................ 10 Condensate Drain Piping............................................ 10 Electrical Wiring ....................................................... 11 High Voltage Wiring............................................... 12 Low Voltage Wiring ............................................... 12 Internal Wiring....................................................... 12 Start-up Procedures and Checklists ..................... 12 Heat Pump Start up Procedure ........................... 12 Final System Check................................................ 13 Components .................................................................. 13 Heat Pump Operation .................................................. 14 Cooling Cycle ......................................................... 14 Heating Cycle.......................................................... 14 Defrost Control .................................................... 14 Suggested Field Testing / Troubleshooting ......... 15 Testing Defrost Control ..................................... 15 Testing Defrost Thermostat................................ 15 Airflow Measurement and Adjustment .................. 15 Adjusting Speed Tap for Indoor Blower Motor... 16 EEM Motor ............................................................... 16 EEM Motor Speed Adjustment ............................. 16 [*PH] CFM Delivery and Adjustments ................. 16 [*PH] Thermostat "Fan Only" Mode ..................... 16 Superheat and Subcooling........................................ 16 Checking Subcooling ............................................ 16 Checking Superheat............................................... 16 Refrigerant Charge Check .................................. 17 Units with TXV ......................................................... 17

RDS Function........................................................... 17 RDS Operation......................................................... 17 Electric Heat Installation & Adjustment............... 18 Heater Kit................................................................. 18 Maintenance ................................................................. 19 Recovery .................................................................. 19 Charging Procedures ........................................... 19 Service........................................................................... 21 Inadequate Air Volume Through ID Coil............ 21 Outside Air Into Return Duct .............................. 21 Malfunctioning Reversing Valve ....................... 21 Clean Outdoor Coil (Servicer Only).................. 21 Clean Indoor Coil (Servicer Only) ..................... 21 Servicing Measures for the Refrigerant Detection System ................................................... 21 Reversing Valve Troubleshooting .......................... 22 Checking Reversing Valve and Solenoid........... 22 Troubleshooting the Reversing Valve for Electrical Failure .......................................... 22 Troubleshooting Mechanical Failures on a Reversing Valve by Pressure............................... 22 Troubleshooting Mechanical Failures on a Reversing Valve by Temperature ........................ 22 Poor "Terminating" Sensor Contact ................. 22 Undercharge ........................................................... 22 Troubleshooting Code............................................... 23 Troubleshooting Chart............................................. 24 Blower Performance Data........................................ 25 Unit Dimensions ........................................................... 27 Wiring Diagram............................................................ 28 Homeowner's Routine Maintenance ........................ 31 Start-Up Checklist...................................................... 32
TO THE INSTALLER
Carefully read all instructions for the installation prior to installing unit. Make sure each step or procedure is understood and any special considerations are taken into account before starting installation. Assemble all tools, hardware and supplies needed to complete the installation. Some items may need to be purchased locally. After deciding where to install unit, closely look the location over both the inside and outside of the home. Note any potential obstacles or problems that might be encountered as noted in this manual. Choose a more suitable location if necessary.
IMPORTANT NOTE: If a crankcase heater is used, the unit should be energized 24 hours prior to compressor start up to ensure crankcase heater has sufficiently warmed the compressor. Compressor damage may occur if this step is not followed.
Before using this manual, check the serial plate for proper model identification.
The installation and servicing of this equipment must be performed by qualified, experienced technicians only.

SHIPPING INSPECTION
Transportation Damage Upon receiving the unit, inspect it for damage from shipment. Claims for damage, either shipping or concealed, should be filed immediately with the shipping company. Check the unit model number, specifications, electrical characteristics, and accessories to determine if they are correct. In the event an incorrect unit is shipped, it must be returned to the supplier and must NOT be installed. The manufacturer assumes no responsibility for installation of incorrectly shipped units.
Message to the Homeowner These instructions are addressed primarily to the installer; however, useful maintenance information is included and should be kept, after installation, for future reference.
REPLACEMENT PARTS
Ordering Parts When reporting shortages or damages, or ordering repair parts, give the complete unit model and serial numbers as stamped on the unit's nameplate. Replacement parts for this appliance are available through your contractor or local distributor. For the location of you nearest distributor, see website www.daikincomfort.com or contact:
HOMEOWNER'S SUPPORT DAIKIN COMFORT TECHNOLOGIES
MANUFACTURING, L.P. 19001 KERMIER ROAD WALLER, TEXAS 77484
(855) 770-5678
IMPORTANT SAFETY INSTRUCTIONS
Recognize Safety Symbols, Words, and Labels The following symbols and labels are used throughout this manual to indicate immediate or potential hazards. It is the owner's responsibility to read and comply with all safety information and instructions accompanying these symbols. Failure to heed safety information increases the risk of serious personal injury or death, property damage and/or product damage.
Cabling Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans.

WARNING
Do not connect to or use any device that is not certified by the manufacturer for use with this unit. Serious property damage, personal injury, reduced unit performance and/or hazardous conditions may result from the use of such nonapproved devices.
WARNING
HIGH VOLTAGE! Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death.
WARNING
Connecting unit ductwork to unauthorized heat producing devices such as a fireplace insert, stove, etc. May result in property damage, fire, carbon monoxide poisoning, explosion, personal injury or death.
WARNING
To avoid property damage, personal injury or death, do not use this unit if any part has been under water. Immediately call a qualified service technician to inspect the unit and to replace any part of the control system and any gas control having been under water.
WARNING
This unit must not be used as a "construction heater" during the finishing phases of construction on a new structure. This type of use may result in premature failure of the unit due to extremely low return air temperatures and exposure to corrosive or very dirty atmospheres.
WARNING
To prevent the risk of property damage, personal injury, or death, do not store combustible materials or use gasoline or other flammable liquids or vapors in the vicinity of this appliance.
CAUTION
Auxiliary devices which may be a POTENTIAL IGNITION SOURCE shall not be installed in the duct work. Examples of such POTENTIAL IGNITION SOURCES are hot surfaces with a temperature exceeding 700 °C and electric switching devices.
WARNING
LEAK DETECTION SYSTEM installed. Unit must be powered except for service.

WARNING
This unit is equipped with electrically powered safety measures. To be effective, the unit must be electrically powered at all times after installation, other than when servicing.
WARNING
Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. The Appliance shall be stored in a room without continuously operating ignition sources (For example: Open flames, an operating gas appliance, or an operating electric heater). Do not pierce or burn. Be aware that refrigerants may not contain an odor.
WARNING
Only auxiliary devices approved by the appliance manufacturer or declared suitable with the refrigerant shall be installed in connecting ductwork.
WARNING
Prior to servicing the unit or removing the compressor terminal plug or terminal cover, disconnect all electrical power from the unit. Multiple power sources may be present.
WARNING
Do not operate the compressor(s) without the terminal plug fully engaged or the terminal cover properly installed.
WARNING

1. Connect the vacuum pump, micron gauge, and vacuum-rated hoses to both service valves. Evacuation must use both service valves to eliminate system mechanical seals.
2. Evacuate the system to less than 500 microns. 3. Isolate the pump from the system and hold the
vacuum for 10 minutes (minimum). Typically, pressure will rise slowly during this period. If the pressure rises to less than 1000 microns and remains steady, the system is considered leak-free; proceed to system charging and startup. 4. If pressure rises above 1000 microns but holds steady below 2000 microns, non-condensable air or moisture may remain, or a small leak may be present. Return to step 2: If the same result is achieved, check for leaks and repair. Repeat the evacuation procedure. 5. If pressure rises above 2000 microns, a leak is present. Check for leaks and repair them. Then, repeat the evacuation procedure.
Accessory Installation
WARNING
All accessories that may become a potential ignition source if installed, such as electronic air cleaners, must only be powered through our accessory control board kit. If an electronic air cleaner is already installed in the duct work and not connected to the accessory control board, it will have to be disabled or removed. Ensure that any additional wiring from the indoor unit to the accessory control board is routed and protected from damage wear, avoiding the flue pipe and any joints that may need brazed or disconnected for service. Refer to the product specification sheet for the accessory control board kit part number.

A tripped circuit breaker or blown fuse may indicate that an electrical problem exists. Do not reset a circuit breaker or replace fuses without first performing thorough electrical troubleshooting and testing procedures.
The Following Instructions are Mandatory for A2L Systems and Supersede Other Instructions
WARNING
Only brazing techniques or approved mechanical joints should be used to connect refrigerant tubing connections. Non-approved mechanical connectors and other methods are not permitted in this system containing A2L refrigerant. Approved mechanical joints will be detailed in the product's specification sheets.

Altitude Adjustment Factor to Calculate Minimum Room Area The Indoor equipment mitigation requirements are calculated at sea level. For higher altitudes adjust the minimum room area specified on or near the Serial Plate by the corresponding altitude adjustment factor shown below. This table is provided as a reference.
Adjusted room area (Amin adj) is the product of the minimum room area specified on the serial plate and the adjustment factor AF, as shown in below formula.
Amin adj = Amin (serial plate) * AF

Deep Vacuum Method The Deep Vacuum Method requires a vacuum pump rated for 500 microns or less. This method effectively and efficiently ensures the system is free of non-condensable air and moisture. The Triple Evacuation Method is detailed in the Service Manual for this product model as an alternative. To expedite the evacuation procedure, it is recommended that the Schrader Cores be removed from the service valves using a core-removal tool.
4

Height in meters At sea level 1~200 200~400 400~600 600~800 800~1000 1000~1200 1200~1400 1400~1600 1600~1800 1800~2000 2000~2200 2200~2400 2400~2600 2600~2800 2800~3000 3000~3200

Height in feet At sea level 1~660 660~1320 1320~1970 1970~2630 2630~3290 3290~3940 3940~4600 4600~5250 5250~5910 5910~6570 6570~7220 7220~7880 7880~8540 8540~9190 9190~9850 9850~10500

Altitude Adjustment Factor (AF) 1.00 1.02 1.03 1.05 1.07 1.09 1.11 1.13 1.15 1.17 1.19 1.21 1.24 1.26 1.29 1.31 1.34

· Information about the explosion potential of FLAMMABLE REFRIGERANTS to show that flammables may be dangerous when handled without care.
· Information about POTENTIAL IGNITION SOURCES, especially those that are not obvious, such as lighters, light switches, vacuum cleaners, electric heaters.
· Information about the different safety concepts, including ventilated and unventilated areas.
· Information about refrigerant detectors, including
function, operation, and service measures. · Information about the concept of sealed components
and sealed enclosures according to IEC 6007915:2010. · Information about the correct working procedures, including commissioning, maintenance, repair,
decommissioning, and disposal procedures.

GENERAL INFORMATION

EPA Regulations IMPORTANT: The United States Environmental

Protection Agency (EPA) has issued various

The [PH]M3 SEER2 M-Series heat pumps are designed regulations regarding the introduction and

for OUTDOOR USE ONLY. [*PH]M3 SEER2 M-Series

disposal of refrigerants in this unit. Failure

is available in cooling capacities of 2, 2.5, 3, 3.5, 4 and 5

to follow these regulations may harm the

nominal tons of cooling. Optional field-installed heat kits

environment and can lead to the imposition of

are available in 5, 8, 10, 15 and 20kW. The units can be

substantial fines. Because regulations may vary

easily installed in manufactured or modular homes with

due to passage of new laws, we suggest a certified

existing high-static duct work. The units can also be easily technician perform any work done on this unit.

converted to accommodate a plenum for normal or low-

Should you have any questions please contact the

static applications. The [*PH]M3 SEER2 M-Series are

local office of the EPA.

self-contained packaged units so the only connections

needed for installation are the supply and return ducts, the National Codes

line and low voltage wiring and drain connection. Rated

This product is designed and manufactured to permit

performance is achieved after 20 hours of operation. Rated installation in accordance with National Codes. It is the

performance is delivered at the specified airflow. See

installer's responsibility to install the product in accordance

product specification for packaged models.

with National Codes and/or prevailing local codes and

regulations.

Specification sheets can be found at:

www.goodmanmfg.com for Goodman® brand products

Major Components

or www.amana-hac.com for Amana® brand products.

The unit includes a hermetically sealed refrigerating system

Within either website, please select the Products and

(consisting of a compressor, condenser coil, evaporator

Services menu and then select the submenu for the type

coil with flowrator), an indoor blower, a condenser fan, and

of product to be installed, such as heat pumps, to access

all necessary internal electrical wiring. The heat pump also

a list of product pages that each contain links to the

includes a reversing valve, solenoid, defrost thermostat

model's specification sheet. The units are UL listed, and

and control and loss of charge protection. The system

AHRI certified. The information on the rating plate is in

is factory-evacuated, charged and performance tested.

compliance with the FTC & DOE rating for single phase

Refrigerant amount and type are indicated on rating plate.

units.

Pre-Installation Checkpoints

The units are ETL listed, and AHRI certified. The

Carefully read all instructions for the installation prior

information on the rating plate is in compliance with FTC

to installing unit. Ensure each step or procedure is

and DOE rating for single phase units.

understood and any special considerations are taken into

account before starting installation. Assemble all tools,

Qualification of Workers

hardware and supplies needed to complete the installation.

Personnel must be certified to service, work, and/or repair Some items may need to be purchased locally.

units with FLAMMABLE REFRIGERANTS. A certificate

should document the competence and qualification

achieved through training that included the substance of

the following:

Check that cabling /wiring will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans.
Under no circumstances shall potential sources of ignition be used in the searching for or detection of refrigerant leaks. A halide torch (or any other detector using a naked flame) shall not be used.
The following leak detection methods are deemed acceptable for all refrigerant systems.
Electronic leak detectors may be used to detect refrigerant leaks but, in the case of FLAMMABLE REFRIGERANTS, the sensitivity may not be adequate, or may need recalibration (Detection equipment shall be calibrated in a refrigerant-free area.) Ensure that the detector is not a potential source of ignition and is suitable for the refrigerant used. Leak detection equipment shall be set at a percentage of the LFL of the refrigerant and shall be calibrated to the refrigerant employed, and the appropriate percentage of gas (25 % maximum) is confirmed.
Leak detection fluids are also suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe-work.

Heat Pumps require special location consideration in areas of heavy snow accumulation and/or areas with prolonged continuous subfreezing temperatures. Heat pump unit bases have holes under the outdoor coil to permit drainage of defrost water accumulation. The unit must be situated to permit free unobstructed drainage of the defrost water and ice. A minimum of 2" clearance under the outdoor coil is required in milder climates.

Heat Pump Elevation Chart

Design Temperature Suggested Minimum Elevation

+15° and above

2 ½"

-5° to +14°

Below -5°

12"

UNIT LOCATION

NOTE: Units are designed for outdoor installation only at a max altitude of 8,000 feet above sea level.

WARNING
The appliance shall be installed, operated and stored in a room with a floor area not less than the minimum room area.

If a leak is suspected, all naked flames shall be removed/ extinguished.

If a leakage of refrigerant is found which requires brazing, all of the refrigerant shall be recovered from the system.

Before attempting any installation, the following points should be considered:
· Structural strength of supporting members · Clearances and provision for servicing · Power supply and wiring · Air duct connections · Drain facilities and connections · Location may be on any four sides of a home,
manufactured or modular, to minimize noise
Consider the effect of outdoor fan noise on conditioned space and any adjacent occupied space. It is recommended that the unit be placed so that condenser air discharge does not blow toward windows less than 25 feet away. The unit should be set on a solid, level foundation preferably a concrete slab at least 4 inches thick. The slab should be above ground level and surrounded by a graveled area for good drainage. Any slab used as a unit's foundation should not adjoin the building as it is possible that sound and vibration may be transmitted to the structure. For rooftop installation, steel or treated wood beams should be used as unit support for load distribution.

Minimum Room Area Figure
IMPORTANT NOTE: Refer to the Altitude Adjusted room area calculation referenced in this manual.
Clearances and Accessibility The unit is designed to be located outside the building with unobstructed condenser air inlet and discharge. Additionally, the unit must be situated to permit access for service and installation. Condenser air enters from three sides. Air discharges upward from the top of the unit. Refrigerant gauge connections are made on the right side of the unit as you face the compressor compartment. Electrical connections can be made either on the right or left sides of the unit. The best and most common application is for the unit to be located 12" from the wall (4" minimum) with the connection side facing the wall. This "close to the wall" application minimizes exposed wiring. Close to the wall application assures free, unobstructed air to the other two sides. In more confined application spaces, such as corners provide a minimum 12" clearance on all air inlet sides. Allow 36" minimum for service access to the compressor compartment and controls. The top of

the unit should be completely unobstructed. If units are to be located under an overhang, there should be a minimum of 48" clearance and provisions made to deflect the warm discharge air out from the overhang. See FIGURE 1: GROUND LEVEL INSTALLATION.

Roof Curb Installations NOTE: Sufficient structural support must be determined prior to locating and mounting the curb and package unit.
Curb insulation, cant strips, flashing and general roofing material are furnished by the contractor.
Curbing must be installed in compliance with the National Roofing Contractors Association Manual. Construct duct work using current industry guidelines. The duct work must be placed into the roof curb before mounting the package unit. See FIGURE 3: ROOFCURB INSTALLATION.

Figure 1: Ground Level Installation
Roof Top Installation (Figure 2) 1. Before locating the unit on the roof, make sure that the strength of the roof and beams is adequate to support the weight involved (See specification sheet for weight of units). This is very important and the installer's responsibility. 2. Make a proper consideration for weather-tight integrity of the roof and proper drainage of condensate. 3. To ensure proper condensate drainage, unit must be installed in a level position. 4. Consideration should also be given to shade, appearance, and noise.

Figure 2: Rooftop Installation

Figure 3: Roofcurb Installation
7

RIGGING DETAILS

WARNING
To prevent property damage, the unit should remain in an upright position during all rigging and moving operations. To facilitate lifting and moving when crane is used, place the unit in an adequate cable sling.

CAUTION
If units are lifted two at a time, the fork holes on the condenser end of the unit must not be used. Minimum for length is 42" to prevent damage to the unit; however, 48" is recommended.

NOTE: Provisions for forks have been included in the unit base frame. No other fork locations are approved.
WARNING
To avoid possible property damage, personal injury or death, ensure the roof has sufficient structural strength to carry the weight of the unit(s), roofcurb, snowloads, and water loads as required by local codes. Consult a structural engineer to determine the weight capabilities of the roof.
CAUTION
To avoid possible personal injury, a safe, flat surface for service personnel should be provided.
WARNING
To prevent possible equipment damage, property damage, personal injury or death, the following bullet points must be observed when installing the unit.

Figure 4: Rigging

Unit must be lifted by the four lifting holes located at the base frame corners. See Figure 4: Rigging.
· Lifting cables should be attached to the unit with shackles.
· The distance between the crane hook and the top of the unit must not be less than 60".
· Two spreader bars must span over the unit to prevent damage to the cabinet by the lift cables. Spreader bars must be of sufficient length so that cables do not come into contact with the unit during transport.
· Remove wood struts mounted beneath unit base frame before setting unit on roof curb. These struts are intended to protect unit base frame from forklift damage. Removal is accomplished by extracting the sheet metal retainers and pulling the struts through the base of the unit. Refer to rigging label on the unit.
Refer to the Roof Curb Installation Instructions for proper curb installation. Curbing must be installed in compliance with the National Roofing Contractors Association Manual.

Corner and Center of Gravity Locations

NOTE: Units should be lifted at a point above center of gravity.

Model

Shipping Operating Weight (lb) Weight (lb)

*PHM32431 389

379

*PHM33031 377

367

*PHM33631 414

383

*PHM34231 478

445

*PHM34831 463

453

*PHM36031 501

470

Corner Weights (lb) LF LR RF RR 13 150 197 19 100 57 113 97 40 123 160 60 72 114 181 78 145 41 127 140 12 180 253 25

X (in)
26.79 26.89
27 27.36 27.7 27.8

Y (in)
22.74 21.4 24.37 22 20.38 22.24

Corner Weights Table

CIRCULATING AIR AND FILTERS
Airflow Conversion Units can easily be converted from horizontal to down discharge air flow delivery. See FIGURE 5A: HORIZONTAL FLOW DUCT COVER INSTALLATION and FIGURE 5B: DOWNFLOW DUCT COVER INSTALLATION. In down discharge or high static installations, the installer should measure the total external static and review the blower performance charts before performing the installation. In some installations it will be necessary to change the blower speed to provide proper air flow.
Horizontal Air Flow Single phase models are shipped without horizontal duct covers. If needed, these kits may be ordered through Goodman's Service Parts department.

Figure 5A: Horizontal Flow Duct Cover Installation
Down Discharge Applications Cut insulation around bottom openings and remove panels from the bottom of the unit, saving the screws holding the panels in place.

Figure 5C: Downshot Conversion Kit
NOTE: A horizontal duct cover kit and either an approved downflow conversion kit or an approved downflow economizer are required for downflow installation. refer to the spec sheet for details.
Ducting Ducting work should be fabricated by the installing contractor in accordance with local codes. Industry manuals may be used as a guide when sizing and designing the duct system-such as NESCA (National Environmental Systems Contractors Association, 1501 Wilson., Arlington, Virginia 22209).
The unit should be placed as close as possible to the space to be air-conditioned allowing clearance dimensions as indicated. Ducts should run as directly as possible to supply and return outlets. Use of non-flammable weatherproof flexible connectors on both supply and return connections at the unit to reduce noise transmission is recommended.
It is preferable to install the unit on the roof of the structure if the registers or diffusers are in the wall or ceiling. A slab installation is recommended when the registers are low on the wall or in the floor.
Connecting the Return and Supply Flexible Duct in Manufactured or Modular Housing Application The return and supply fittings are to be attached at the unit to a suitable square to round duct converter. Your distributor has a factory designed square to round converter transition. The model #'s of these kits are as follows in the table below (See Specification Sheets for Dimension details).

Figure 5B: Downflow Duct Cover Installation
9

Accessory Description
Downflow Square to Round Horizontal Square to Round

Item Number

Medium Chassis Large Chassis

SQRPG101/102 SQRPG103

SQRPGH102

SQRPGH103

The SQRPG101, SQRPG102, and SQRPG103 fit up to the Return and Supply Downflow vents having dimensions: Return (22 ¾" x 12 ¼") and Supply (22 ¼" x 14 ¾"). The SQRPGH101, SQRPGH102, and SQRPGH103 fit up to the Horizontal Return and Supply downflow vents having dimensions: Medium Chassis (16 ½" x 16 ½") and Large Chassis (18 ½" x 18 ½"). The Medium Chassis kits transition to a 16" Diameter and the Large Chassis kits transition to an 18" Diameter (equivalent diameter, opening is oval) on the return. The collars are to be slipped into the openings, and the flanges bent around the converter. The square to round converter is attached to the flanges of the square duct openings. The flexible duct is then clamped on to the collars. Once the duct is affixed to the unit, seal the collars and flanges with a proper waterproof sealant. SEE FIGURE 6: MANUFACTURED HOME MODIFICATION KIT.

NOTE: A downshot conversion kit and horizontal duct cover kit are both required when changing the unit to downshot orientation. Please refer to spec sheets for kit numbers.

properly supported from the unit. False ceilings or drop ceilings may be used as a return air plenum.
NOTE: Adequate return grills have to be supplied for each room for proper return for that space.
NOTE: Proper sealing of all ductwork and air handling compartments is extremely important to overall unit efficiency.
Filters Filters are not provided with unit and must be supplied and externally installed in the return duct system by the installer. A field-installed filter grille is recommended for easy and convenient access to the filters for periodic inspection and cleaning. When installing filters, ensure the air flow arrows on the filter are pointing toward the circulator blower. For unit filter size information, see table below for recommended filter size.

UNIT

2 TON

2 1/2 TON

3 TON

3 1/2 TON

4 TON

5 TON

Min. Filter Size

(1)25X25X1 (1)25X25X1

(1)25X25X1

(2)20X20X1

CONDENSATE DRAIN PIPING
The condensate drain connection of the evaporator is a ¾" NPT half coupling. A trap must be provided to have proper condensate draining. Install condensate drain trap as shown in FIGURE 7: CONDENSATE DRAIN TRAP PLUMBING. Ensure drain connection is 3/4" or larger. Do not operate unit without trap and ensure unit is level or slightly inclined toward drain.

Unit

2" Minimum

Figure 6: Manufactured Home Modification Kit
It is strongly encouraged to use appropriately sized ducts based upon the CFM for your application (unit's CFM). If duct sizing through industry manuals or air duct calculators requires larger ducts than converter openings, run larger duct size up to unit converter openings and reduce with a reducer duct fitting or transition right at the unit.
Plenum Application A suitable plenum or square duct must be constructed. The duct cross-sectional area should be determined by industry duct sizing manuals or air duct calculators.

Drain Connection

3" Minimum

Flexible Tubing-Hose Or Pipe

A Positive Liquid Seal Is Required

Figure 7: Condensate Drain Trap Plumbing

ELECTRICAL WIRING

WARNING
High voltage - prior to servicing the unit or removing the compressor terminal plug or terminal cover, disconnect all electrical power from the unit. Multiple power sources may be present.

On ductwork exposed to outside air conditions of temperature and humidity, use an insulation with a good K factor, and a vapor barrier. Industry practices should be followed. Balancing dampers are recommended for each branch duct in the supply system. Ductwork should be
10

WARNING

CAUTION

Do not operate the compressor(s) without the terminal plug fully engaged or the terminal cover properly installed. Get away if unusual sounds are heard from within the compressor. Disconnect electrical power from the unit.
WARNING
A tripped circuit breaker or blown fuse may indicate that an electrical problem exists. Do not reset a circuit breaker or replace fuses without first performing thorough electrical troubleshooting and testing procedures.

To avoid property damage or personal injury due to fire, use only copper conductors.
All wiring should be made in accordance with the National Electrical Code. The local power company should be consulted to determine the availability of sufficient power to operate the unit. The voltage, frequency, and phase at the power supply should be checked to make sure it corresponds to the unit's RATED VOLTAGE REQUIREMENT.

WARNING
Hermetic compressor electrical terminal venting can be dangerous. In certain circumstances, the terminal may be expelled, venting the refrigerant vapor and compressor oil contained within the compressor housing and system. Be alert for sounds of arcing (Sizzling, sputtering, or popping) inside the compressor. Immediately get away if you hear these sounds and disconnect electrical power from the unit.
Never operate the compressor without the terminal cover secured and properly in place or without the electrical plug fully seated and engaged to the terminal posts.
If a terminal is damaged, electrically overloaded, or short circuits to ground, there is a remote possibility that the terminal can be suddenly expelled from the terminal housing thereby venting the refrigerant and compressor oil mixture to atmosphere.
This discharge can be ignited from electrical arcing, or other open sources of ignition, and can cause potentially severe or fatal injury. This event is known as "Terminal Venting".
To reduce the possibility of external ignition, all open flames or other heat sources must be extinguished, and all electrical power must be turned off prior to opening the terminal cover or removing the electrical plug and servicing the system.

Install a branch circuit fused disconnect near the unit, in accordance with the N.E.C. or local codes. Wire sizes and overcurrent protection should be determined from the unit nameplate ampacity and in accordance with N.E.C. and local building codes. Under no circumstances should wiring be sized smaller than is recommended by either of these two sources.
Fuses smaller than that recommended on the unit nameplate could result in unnecessary fuse failure or service calls. The use of protective devices of larger size than indicated could result in extensive damage to the equipment. The manufacturer bears no responsibility for damage caused to equipment as result of the use of larger than is recommended size protective devices.
All units have undergone a run test prior to packaging for shipment. This equipment has been started at minimum rated voltage and checked for satisfactory operation. Do not attempt to operate this unit if the voltage is not within the minimum and maximum voltages shown on the nameplate.
The units are designed for operation at the voltage, frequency and phase as shown on the rating plate. All internal wiring in the unit is complete. It is necessary to bring in the power supply to the contactor as shown on the unit wiring diagram which is supplied with each unit. The low voltage wiring must be connected between the unit control panel and the room thermostat.

Proper sealed system evacuation is required during servicing to maintain adequate internal system cleanliness while eliminating contaminates. Be alert for sounds of arcing (sizzling, sputtering, or
popping) inside the compressor. IMMEDIATELY GET AWAY from the unit if you hear these sounds and disconnect electrical power.

All exterior wiring must be within approved weatherproof conduit. The unit must be permanently grounded in accordance with local codes, or in absence of local codes with N.E.C. ANSI/NFPA NO. 70 or latest edition by using ground lug in the control box. DO NOT EXCEED THE MAXIMUM OVERCURRENT DEVICE SIZE SHOWN ON UNIT DATA PLATE.

NOTE: Never operate the compressor in a vacuum or in reverse operation.

Fuses or HACR type circuit breakers may be used where codes permit.

IMPORTANT NOTE: Units may be equipped with a single pole contactor. Caution must be exercised when servicing as only one phase of the power 11 supply is broken with the contactor.

Rated Voltage 208/240V

Minimum Supply Voltage
197

Minimum Supply Voltage
253

WARNING
HIGH VOLTAGE! Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death.
CAUTION
To avoid the risk of electrical shock, wiring to the unit must be polarized and grounded.
High Voltage Wiring Single phase Connect two leads to terminals L1 & L2 in the electrical control section, using wire sizes specified in wiring table.

Thermostats must be set to energize "G" during cooling. This is default on most thermostats.
Internal Wiring A diagram detailing the internal wiring of this unit is located on the electrical box cover. If any of the original wire supplied with the appliance must be replaced, the wire gauge and insulation must be the same as the original
wiring. 1. For branch circuit wiring (main power supply to unit disconnect), the minimum wire size for the length of the run can be determined from N.E.C., local building codes, and using the circuit ampacity found
on the unit rating plate. From the unit disconnect to unit, the smallest wire size allowable may be used for the ampacity, as the Disconnect MUST be in accordance with federal, state, and local jurisdiction requirements. 2. Wire size based on 60°C rated wire insulation and 30°C Ambient Temperature (86°F). 3. For more than 3 conductors in a raceway or cable, see the N.E.C. for derating the ampacity of each conductor.

Branch Circuit Ampacity
SUPPLY WIRE LENGTH - FEET

15 20 25 30 35 40 45 50

START-UP PROCEDURE AND CHECKLIST
Begin with power turned off at ALL disconnects.

200

64443322

150

86644433

WARNING

100

10 8 8 6 6 6 4 4

14 12 10 10 8 8 6 6

Wiring Table

NOTE: The unit transformer is factory connected for 240V operation. If the unit is to operate on 208V, reconnect the transformer primary lead as shown on the unit wiring diagram.

Low Voltage Wiring Heat Pumps - Connect 24V wires from the thermostat to the corresponding wires in the control box using No. 18 AWG as follows:

*PHM3

Terminal

Thermostat

Red

R (24V)

Green

G (fan)

Orange

O (Rev. Valve)

White

W1 (Heat, Aux Heat Stage 1)*

Brown

W2 (Heat, Aux Heat Stage 2)*

Yellow

Y (Cool)

Blue

C (Common)

*Optional field installed heat connections

HIGH VOLTAGE! Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death.
Heat Pump Start-Up Procedure 1. Check the cooling mode for the heat pump by placing the thermostat in COOL mode and the fan to AUTO. The reversing valve is energized when the thermostat is placed in the cooling position. A clicking sound should be noticeable from the reversing valve. By lowering the temperature setting to call for cooling, the contactor is energized. The compressor, blower and fan should then be running. After the colling mode is checked out, turn the thermostat system switch to "OFF". 2. Turn the thermostat system switch to "HEAT" and fan switch to "AUTO". 3. Slowly raise the heating temperature setting. When the heating first stage makes contact, stop raising the temperature setting. The compressor, blower and fan should now be running with the reversing valve in the de-energized (heating) position. After giving the unit time to settle out, make sure the unit is supplying heated air. 4. If the outdoor ambient is above 80°F, the unit may trip on its high-pressure cutout when in heating mode. The compressor should stop. The heating cycle
12

must be thoroughly checked, so postpone the test to another day when conditions are more suitable but, DO NOT FAIL TO TEST. 5. If unit operates properly in the heating cycle, raise the temperature setting until the heating second stage makes contact. Supplemental resistance heat, if installed should now come on. Make sure it operates properly.
NOTE: 5-Ton 13.4 SEER2 models have two stages of compressor heat. During resistance heat test, increase temperature setting until third stage heat is energized.
NOTE: If outdoor thermostats are installed the outdoor ambient must be below the set point of these thermostats for the heaters to operate. It may be necessary to jumper these thermostats to check heater operation if outdoor ambient is mild.
6. THERMOSTATS WITH EMERGENCY HEAT. For thermostats with an emergency heat switch, raise the temperature setting until the heating second stage makes contact. The emergency heat switch is located at the bottom of the thermostat. Move the switch to emergency heat. The heat pump will stop, the blower will continue to run, all heaters will come on and the thermostat emergency heat light will come on.
7. If checking the unit in the wintertime, when the outdoor coil is cold enough to actuate the defrost control, observe at least one defrost cycle to make sure the unit defrosts completely.
Final System Check 1. Check to see if all supply and return air grilles are adjusted and the air distribution system is balanced for the best compromise between heating and cooling. 2. Check for air leaks in the ductwork. 3. Check air flow and refrigerant charge. See Sections on Air Flow Measurement and Adjustment and Refrigerant Charge Check. 4. Ensure the unit is free of "rattles", and the tubing in the unit is free from excessive vibration. Also make sure tubes or lines are not rubbing against each other or sheet metal surfaces or edges. If discovered, ensure issue is corrected. 5. Set the thermostat at the appropriate setting for cooling and heating or automatic changeover for normal use. 6. Ensure the Owner is instructed on the unit operation, filter, servicing, correct thermostat operation, etc.
COMPONENTS
1. Contactor This control is activated (closed) by the room thermostat for both heating and cooling. The contactor has a 24V coil and supplies power to the compressor and outdoor fan motor.
2. Crankcase Heater This item is "ON" whenever

power is supplied to the unit and crankcase heater thermostat is closed. Crankcase heater thermostat closes at 67° and opens at 85°. It warms the compressor crankcase thereby preventing liquid migration and subsequent compressor damage. The insert type heater is self-regulating. It is connected electrically to the contactor L1 & L2 terminals. 3. Condenser Motor This item is activated by the contactor during heating and cooling, except during defrost and emergency heat operation. On 460V heat pumps, the condenser motor is activated by the CMR. 4. Compressor This item is activated by the contactor for heating and cooling, except during emergency heat. It is protected by an internal overload. 5. Contactor Relay This control is activated by the thermostat (24V coil) and supplies power to the contactor. 6. Defrost Control The Defrost control provides time/temperature initiation and termination of the
defrost cycle. When a Defrost cycle is initiated, the defrost control shifts the reversing valve to "cooling" mode, stops the outdoor fan and brings on supplemental heat. Normally, a Defrost cycle will take only 2-3 minutes unless system is low on charge or outdoor conditions are severe. (Windy and cold). The defrost control also provides for a 3 minute off cycle compressor delay. 7. Outdoor Thermostat These optional controls are used to prevent full electric heater operation at varying outdoor ambient (0°F to 45°F). They are normally open above their set points and closed below to permit staging of indoor supplement heater operation. If the outdoor ambient temperature is below 0°F (-18°C) with 50% or higher RH, an outdoor thermostat (OT) must be installed and set at (0°F) on the dial. Failure to comply with this requirement may result in damage to the product which may not be covered by the manufacturer's warranty. 8. Reversing Valve Coil This coil is activated by the thermostat, in the colling mode and during defrost. It positions the reversing valve pilot valve for cooling operation. 9. Indoor Blower Motor Units with EEM Motors Only. The EEM model indoor blower motor is activated by the room thermostat by COOLING/HEATING or fan ON position. EEM motors are constant torque motors with low power consumption. (See Air Flow Measurement and Adjustment for speed adjustment instructions). 10. Blower Interlock Relay This relay is used to energize the blower during the electric heat operation. Some room thermostats do not energize the motor during electric heat. This relay ensures blower operation when the room thermostat energizes heat. This relay is energized by the electric heat kit sequencer.

HEAT PUMP OPERATION
Cooling Cycle When the heat pump is in the cooling cycle, it operates exactly as an Air Conditioner Unit. See Figure 8: HEAT PUMP COOLING SCHEMATIC.

TXVs also act as check valves to allow for the reverse of refrigerant flow.

Figure 8: Heat Pump Cooling Schematic
Heating Cycle The heat pump operates in the heating cycle by redirecting refrigerant flow through the refrigerant circuit external to the compressor. This is accomplished with the reversing valve. Hot discharge vapor from the compressor is directed to the indoor coil (evaporator on the cooling cycle) where the heat is removed, and the vapor condenses to liquid. It then goes through the expansion device to the outdoor coil (condenser on the cooling cycle) where the liquid is evaporated, and the vapor goes to the compressor.
When the solenoid valve coil is operated either from heating to cooling or vice versa, the piston in the reversing valve to the low pressure (high pressure) reverse positions in the reversing valve. The following figure, FIGURE 9: HEAT PUMP HEATING SCHEMATIC, shows a schematic of the heat pump in the heating cycle.

Figure 10
When the heat pump is on the heating cycle, the outdoor coil is functioning as an evaporator. The temperature of the refrigerant in the outdoor coil must be below the temperature of the outdoor air in order to extract heat from the air. Thus, the greater the difference in the outdoor temperature and the outdoor coil temperature, the greater the heating capacity of the heat pump. This phenomenon is a characteristic of a heat pump. It is a good practice to provide supplementary heat for all heat pump installations in areas where the temperature drops below 45°F. It is also a good practice to provide sufficient supplementary heat to handle the entire heating requirement should there be a component failure of the heat pump, such as a compressor, or refrigerant leak, etc.
Since the temperature of the liquid refrigerant in the outdoor coil on the heating cycle is generally below freezing point, frost forms on the surfaces of the outdoor coil under certain weather conditions of temperature and relative humidity. Therefore, it is necessary to reverse the flow of the refrigerant to provide hot gas in the outdoor coil to melt the frost accumulation. This is accomplished by reversing the heat pump to the cooling cycle. At the same time, the outdoor fan stops to hasten the temperature rise of the outdoor coil and lessen the time required for defrosting. The indoor blower continues to run, and the supplementary heaters are energized.
Defrost Control During operation the power to the circuit board is controlled by a temperature sensor, which is clamped to a feeder tube entering the outdoor coil. Defrost timing periods of 30, 60 and 90 minutes may be selected by setting the circuit board jumper to 30, 60 and 90 respectively. Accumulation of time for the timing period selected starts when the sensor closes (approximately 30 ± 5°F), and when the wall thermostat calls for heat. At the end of the timing period, the unit's defrost cycle will be initiated provided the sensor remains closed. When the sensor opens (approximately 60°± 5°F), the defrost cycle is terminated and the timing period is reset. If the defrost cycle is not terminated due to the sensor temperature, a twelve-minute override interrupts the unit's defrost period.

Figure 9: Heat Pump Heating Schematic

For 5-Ton Heat Pump unit, the expansion devices are Thermal Expansion Devices (TXV) and perform the same function on the heating cycle as on the cooling cycle. The
14

SUGGESTED FIELD TESTING/ TROUBLESHOOTING

Testing Defrost Control NOTE: PCBDM133 Defrost controls have a three (3) minute compressor off cycle delay.

NOTE: The PCBDM133 defrost controls are shipped from the factory with the compressor delay option selected. This will de-energize the compressor contactor for 30 seconds on defrost initiation and defrost termination. If the jumper is set to normal, the compressor will continue to run during defrost initiation and defrost termination. The control will also ignore the lowpressure switch connected to R-PS1 and PS2 for 5 minutes upon defrost initiation and 5 minutes after defrost termination.
To check the defrost control for proper sequencing,
proceed as follows: With power ON; unit not running. 1. Jumper defrost thermostat by placing a jumper wire across the terminals "DFT" and "R"/" R-DFT" at defrost control board. 2. Remove jumper from timer pins and jump across test pins on defrost control board. NOTE: Do not use screwdriver or field supplied jumper to test the control. 3. Set thermostat to call for heating. System should go into defrost within 21 seconds. 4. Immediately remove jumper from test pins. 5. Using VOM check for voltage across terminals "C & O". Meter should read 24 volts. 6. Using VOM check for voltage across fan terminals DF1 and DF2 on the board. Should read line voltage (208-230 VAC) indicating the relay is open in the defrost mode. 7. Using VOM check for voltage across "W"/"W2" & "C" terminals on the board. Should read 24 volts. 8. If not as above, replace control board. 9. Set thermostat to off position and disconnect power. Remove jumper from defrost thermostat and replace timer jumper to the desired defrost time.
NOTE: Remove jumper across defrost thermostat before returning system to service. See Figure 11: Defrost control Wiring Diagram.

Figure 11: Defrost Control Wiring Schematic
Testing Defrost Thermostat 1. Install a thermocouple type temperature test lead on the tube adjacent to the defrost control. Insulate the lead point of contact. 2. Check the temperature at which the control closes its contacts by lowering the temperature of the control. It should close at approximately 30°F. 3. Check the temperature at which the control opens its contacts by raising the temperature of the control. It should open at approximately 60°F. If not as above, replace control.
AIR FLOW MEASUREMENT AND ADJUSTMENT
After reviewing section on DUCTING, proceed with airflow measurements and adjustments. Unit's blower curves (in Specification Sheets) are based on external static pressure (ESP, in. of W.C.). The duct openings on the unit are considered internal static pressure, so long as ESP is maintained, the unit will deliver the proper air up to the maximum static pressure listed for the CFM required by the application (i.e., home, building, etc.).
In general, 400 CFM per ton of cooling capacity is a rule of thumb. Some applications depending on the sensible and latent capacity requirements may need only 350 CFM or up to 425 CFM per ton. Check condition space load requirements (from load calculations) and equipment expanded ratings data to match CFM and capacity. After unit is set and ducted, verify ESP with a 1" inclined manometer with pitot tubes or a Magnahelic gauge and confirm CFM to blower curves in the specification sheets. All units have multiple speed blower motors. If factory selected speed is not utilized, the speed tap can be changed.

NOTE: Never run CFM below 300 CFM per ton, evaporator freezing, or poor unit performance is possible.

Total external static pressure 1. Using a digital manometer measure the static pressure of the return duct at the inlet of the unit (Negative Pressure). SEE FIGURE 13: TOTAL EXTERNAL STATIC. 2. Measure the static pressure of the supply duct (Positive Pressure). 3. Add the two readings together.
EXAMPLE: Static reading from return duct = -.1" w.c. Static reading from supply duct = .3" w.c. Total external static pressure on this system = .4" w.c. NOTE: Both readings may be taken simultaneously and read directly on the manometer if so desired.
4. Consult proper table for quantity of air. If the external static pressure exceeds the maximum allowable static, check for closed dampers, dirty filter, undersized or poorly laid out ductwork.
Figure 12: Total External Static

ADJUSTING SPEED TAP FOR INDOOR BLOWER MOTOR
EEM Motor The blower motor speed for the EEM motor is controlled by three 24V low voltage leads: green, yellow, and white. The green lead sets the speed for fan-only mode. The yellow lead sets the speed for cooling and heat pump heating mode (if applicable).
EEM Motor Speed Adjustment The white lead sets the speed for electric heat mode (emergency heat and second stage heat, if applicable). The leads are factory connected as follows: Green to T1, Yellow to T2, and White to T3. T1 is the low speed setting and is dedicated to fan-only mode. T2 is medium speed cooling and T3 is medium speed heating. T4 is high speed cooling and T5 is high speed heating. To adjust the blower speed, move the yellow and/or white wires to T4 and T5.
NOTE: If more than one lead is energized at the same time, the motor will use the higher speed setting.
See appendix for Blower Performance Data tables.
[*PH]M3 CFM Delivery and Adjustments See Appendix for CFM Output, Adjustments, and DIP switch settings.
[*PH]M3 Thermostat "Fan Only" Mode During Fan Only Operations, the CFM output is 50% of the high stage cooling setting.
SUPERHEAT AND SUBCOOLING
Checking Subcooling NOTE: Units with a TXV should be charged to Subcooling only.
EXAMPLE: a. Liquid Line Pressure = 417 PSI b. Corresponding Temp. = 120°F c. Thermometer on Liquid line = 109°F.
To obtain the amount of subcooling, subtract 109°F from 120°F. The difference is 11° subcooling. See the specification sheet or technical information manual for the design subcooling range for your unit.
SUBCOOLING FORMULA = SATURATED LIQUID LINE TEMPERATURE - LIQUID LINE TEMPERATURE

Checking Superheat EXAMPLE:
a. Suction Pressure = 143 PSI
b. Corresponding Temp. = 50°F
c. Thermometer on Suction Line = 59°F

To obtain the degrees temperature of superheat, subtract 50.0 from 59.0°F. The difference is 9° Superheat. The 9° Superheat would fall in the ± range of allowable superheat.
SUPERHEAT = SUCTION LINE TEMP - SAT. SUCTION TEMP.
TXV Superheat Adjustment TXV is designed for specific units installed. Therefore, NO adjustments should be needed.
NOTE: Superheat adjustments should not be made until indoor ambient conditions have stabilized and correct air flow (CFM) has been verified. This could take up to 24 hours depending on indoor temperature and humidity. Before checking superheat, run the unit in cooling for 15-20 minutes or until refrigerant pressure stabilizes.
NOTE: TXV adjustments should not exceed one turn clockwise (CW) or counterclockwise (CCW) from the factory setting.
Unscrew the cover from the expansion valve, locate the adjustment screw, and turn in clockwise (in) to increase superheat or counterclockwise (out) to decrease superheat. It is recommended to make small adjustments at a time, 1/8 - 1/4 turn increments. Replace adjustment cap. Wait a minimum of 15 minutes between adjustments to allow time for the TXV and pressure to stabilize.
Refrigerant Charge Check NOTE: For optimal performance, follow charging instructions below.
Units with TXV Single Stage Cooling Application: Refer to the Design Superheat & Subcooling table.

superheat.
c. If subcooling and superheat are high, adjust
TXV valve superheat, then check subcooling.
d. If subcooling is high and superheat is low, adjust
TXV valve superheat and remove charge to
lower the subcooling.
NOTE: Do NOT adjust the charge based on suction pressure unless there is a gross undercharge. If an under charge is suspected, recover the charge, reevacuate the system, and recharge per data plate. No adjustments should be made if suspecting a charge issue.

4. Disconnect manifold set, installation is complete.

Design Superheat & Subcool

Model

Superheat Subcool Expansion Cooling Outdoor

±2°F

±1°F

Valve Stage Ambient °F

*PHM32431 7.5

Piston High

*PHM33031 8.0

Piston High

*PHM33631 10.0

Piston High

*PHM34231 22.0

Piston High

*PHM34831 8.0

Piston High

*PHM36031 16.0

8.0

TXV

Low

Design Superheat and Subcooling Table

RDS Function The mitigation system is a stationary device that detects the presence of R-32 refrigerant above 25% LFL using refrigerant sensors and then initiates mitigation actions. The mitigation system's primary function is to reduce the
concentration of leaked R-32 refrigerant to prevent serious safety hazards. The mitigation actions are accomplished by halting HVAC operation and continuing indoor blower operation to provide airflow. Once refrigerant concentration reaches below a safe threshold, the unit will remain in mitigation mode for five minutes to evacuate any remaining R-32 refrigerant within the unit. Upon completion, the unit will resume its normal operation.

Two-Stage Cooling Application: Run unit on Low Stage cooling and refer to Design Superheat & Subcooling table.

RDS Operation The mitigation system is controlled by a refrigerant

1. Purge gauge lines. Connect service gauge manifold to access fittings. Run system at least 10 minutes to allow pressure to stabilize.
2. Temporarily install thermometer on liquid (small) line near liquid line access fitting with adequate contact and insulate for best possible reading.
3. Check subcooling and superheat. System should have a subcooling and superheat within the range listed on the Design Superheat and Subcooling table. a. If subcooling and superheat are low, adjust TXV superheat, then check subcooling. NOTE: To adjust superheat, turn the valve stem clockwise to increase and counterclockwise to decrease. Refer to TXV Superheat Adjustment referenced in this manual. b. If subcooling is low and superheat is high,

sensor(s), which is secured to a designated location(s) for active monitoring. If a leak is detected, HVAC operation is disabled and the indoor blower fan is activated, providing airflow at or above minimum required airflow to evacuate excess concentration. If a Zone Control system is installed in the ductwork attached to this system, the Zone controller must be powered through a Daikin Zoning/ Accessory PCB to ensure that the Zoning Dampers open during mitigation mode to provide ventilation throughout all ducting. If the unit is installed with a communicating thermostat, the thermostat will display relevant alerts/ information concerning mitigation mode. Once sensors read concentration levels below a safe threshold, a fiveminute timer will initiate. Once the time is over, the unit will resume back to its normal operation. If the sensors detect another concentration excess, the unit will go back into mitigation mode and will repeat the same process.

add charge to raise subcooling then check

ELECTRICAL HEAT INSTALLATION & ADJUSTMENT
Heater Kit NOTE: A separate power supply is required for HKTPD Heater Kits. Refer to the specification manual for heater kit match up and Heater Kit Electrical Data. This series of electric cooling and heat pump package equipment is designed to accept a field installed electric heat kit. The unit is equipped to easily install the HKTPD Series Electric Heat Kit. Full Installation Instructions are included in this kit. Please use this document for guidance in field equipping the package unit with electric heat. Choose the heat kit that fits the application for the specific installation. Permanently mark the unit's nameplate with the model being installed. High and low voltage connections are detailed in the heat kit instructions. Indoor Blower motor speed tap selection may need to be modified to accommodate normal continuous operation to prevent a nuisance trip.
18

MAINTENANCE
WARNING
HIGH VOLTAGE! Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death.
The Self-Contained Package Heat Pump should operate for many years without excessive service calls if the unit is installed properly. However, it is recommended that the homeowner inspect the unit before a seasonal start up. The coils should be free of debris so adequate airflow is achieved. The return and supply registers should be free of any obstructions. The filters should be cleaned or replaced. These few steps will help to keep the product up time to a maximum. The Troubleshooting Chart should help in identifying problems if the unit does not operate properly.
Recovery When removing refrigerant from a system, either for servicing or decommissioning, it is recommended good practice that all refrigerants are removed safely. When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed. Ensure that the correct number of cylinders for holding the total system charge is available. All cylinders to be used are designated for the recovered refrigerant and labeled for that refrigerant (i.e. special cylinders for the recovery of refrigerant). Cylinders shall be complete with pressure-relief valve and associated shut-off valves in good working order. Empty recovery cylinders are evacuated and, if possible, cooled before recovery occurs.

If compressors or compressor oils are to be removed, ensure that they have been evacuated to an acceptable level to make certain that flammable refrigerant does not remain within the lubricant. The compressor body shall not be heated by an open flame or other ignition sources to accelerate this process. When oil is drained from a system, it shall be carried out safely.
Charging Procedures In addition to conventional charging procedures, the following requirements shall be followed.
· Ensure that contamination of different refrigerants does not occur when using charging equipment. Hoses or lines shall be as short as possible to minimize the amount of refrigerant contained in them.
· Cylinders shall be kept in an appropriate position according to the instructions.
· Ensure that the REFRIGERATING SYSTEM is grounded prior to charging the system with refrigerant.
· Label the system when charging is complete (if not already).
· Extreme care shall be taken not to overfill the REFRIGERATING SYSTEM.
NOTE: "Earthing" is defined as achieving an earth ground by connecting the equipment's supplied grounding lug to the earth. This should verified by a certified technician.
Prior to recharging the system, it shall be pressuretested with the appropriate purging gas. The system shall be leak-tested on completion of charging but prior to commissioning. A follow up leak test shall be carried out prior to leaving the site.

The recovery equipment shall be in good working order with a set of instructions concerning the equipment that is at hand and shall be suitable for the recovery of the flammable refrigerant. If in doubt, the manufacturer should be consulted. In addition, a set of calibrated weighing scales shall be available and in good working order. Hoses shall be complete with leak-free disconnect couplings and in good condition.

The recovered refrigerant shall be processed according to local legislation in the correct recovery cylinder, and the relevant waste transfer note arranged. Do not mix refrigerants in recovery units and especially not in cylinders.

Part Number HKTPD051 HKTPD081 HKTPD101 HKTPD151 HKTPD191 HKTPD201

Max E.S.P.

IN. W.C kPa

0.8

0.19

0.8

0.19

0.8

0.19

0.8

0.19

0.5

0.12

0.8

0.19

Circuit 1

MCA MOP

28.74

36.46

49.48

Circuit 2

MCA MOP

24.74

36.46

Output @ 240V kW BTU/hr 4.75 16200 7.00 23800 9.50 32400 14.25 48600 19.00 64800 19.00 64800

*PHM3

Heater Kit Part # M ode l
HKTPD051 HKTPD081 HKTPD101 HKTPD151 HKTPD191 HKTPD201

*PHM32431

*PHM33031

*PHM33631

*PHM34231

*PHM34831

*PHM36031

Speed Tap Selection for 0.0-0.5 E.S.P.

Heater Kit Part # M ode l
HKTPD051 HKTPD081 HKTPD101 HKTPD151 HKTPD191 HKTPD201

*PHM32431 T3

*PHM33031 T3

*PHM33631 T3

*PHM34231 T3

*PHM34831 T3

*PHM36031 T3

Speed Tap Selection for 0.5-0.8 E.S.P.

Heater Kit Part # M ode l
HKTPD051 HKTPD081 HKTPD101 HKTPD151 HKTPD191 HKTPD201

*PHM32431 T5

*PHM33031 T5

*PHM33631 T5

*PHM34231 T5

*PHM34831 T5

*PHM36031 T5

SERVICE
NOTE: The following information is for use by qualified service agency only: Others should not attempt to service this equipment.
Common Causes of Unsatisfactory Operation of Heat Pump on the Heating Cycle:
Inadequate Air Volume Through Indoor Coil When a heat pump is in the heating cycle, the indoor coil is functioning as a condenser. The return air filter must always be clean, and sufficient air volume must pass through the indoor coil to prevent excessive discharge pressure, and high pressure cut out.
Outside Air Into Return Duct Do not introduce cold outside air into the return duct of a heat pump installation. Do not allow air entering the indoor coil to drop below 65°F. Air below this temperature will cause low discharge pressure, thus low suction pressure, and excessive defrost cycling resulting in low heating output. It may also cause false defrosting.
Malfunctioning Reversing Valve This may be due to:
1. Solenoid not energized In order to determine if the solenoid is energized, touch the nut that holds the solenoid cover in place with a screwdriver. If the nut magnetically holds the screwdriver, the solenoid is energized, and the unit is in the cooling cycle.
2. No voltage at unit's solenoid Check unit voltage. If no voltage, check wiring circuit.
3. Valve will not shift: a. Undercharged Check for leaks. b. Valve Body Damaged Replace valve. c. Unit Properly Charged If it is on the heating cycle, raise the discharge pressure by restricting airflow through the indoor coil. If the valve does not shift, tap it lightly on both ends with a screwdriver handle. Do Not Tap the Valve Body. If the unit is on the cooling cycle, raise the discharge pressure by restricting airflow through the outdoor coil. If the valve does not shift after the above attempts, cut the unit off, and wait until the discharge and suction pressure equalize, and repeat above steps. If the valve does not shift, replace it.
Clean Outdoor Coil (Qualified Servicer Only) The coil with the outside air flowing over it should be inspected annually and cleaned as frequently as necessary to keep the finned areas free of lint, hair and debris.

Clean Indoor Coil (Qualified Servicer Only) Before cleaning the indoor coil, A2L sensor must be removed from the unit to avoid damage and contamination. Air filters should also be removed before performing maintenance. The coil with the filtered air flowing over it should be inspected and cleaned as frequently as necessary to keep the finned areas free of debris. Coil cleaning should be performed, utilizing an approved cleaning method and cleaning agent, from inside-out (opposite operating airflow direction) to prevent damage to the tube, fin coil, and any other components. Prior to resuming unit operation, ensure to reinstall the A2L sensor.
Servicing Measures for the Refrigerant Detection System Before servicing, identify the mode of operation of the system by reading the LED flashing pattern on the PCB within the control box and matching the LED flashing pattern with mode of operation in the REFRIGERANT DETECTION SYSTEM TROUBLESHOOTING GUIDE on the wiring diagram which is attached on the back side of the control box panel (RDS PCB Fault Code table). After identifying the mode of operation, take recommended actions as specified in the Recommended Actions for PCB LED Flashing Codes table.
REFRIGERANT SENSORS for REFRIGERANT DETECTION SYSTEMS shall only be replaced with sensors specified by the manufacturer. If REFRIGERANT SENSOR requires replacement, please replace with Sensata R32 Sensor PN#RGD-00ML12 (Daikin PN#SER2A08012).

MODE

LED STATUS LED FLASHING PATTERN

SLOW LED FLASHING PATTERN NORMAL OPERATION
(2 SECONDS ON 2 SECONDS OFF)

R-32 LEAK ALARM DELAY MODE SYSTEM
VERIFICATION MODE CONTROL BOARD INTERNAL FAULT

FAST LED FLASHING PATTERN LED WILL BE ON CONTINUOUSLY
FAST LED FLASHING PATTERN
LED WILL FLASH 2 TIMES AND THEN BE OFF FOR 5 SECONDS

R32 SENSOR

LED WILL FLASH 3 TIMES AND

COMMUNICATION FAULT THEN BE OFF FOR 5 SECONDS

LED WILL FLASH 4 TIMES AND R32 SENSOR FAULT
THEN BE OFF FOR 5 SECONDS
RDS PCB Fault Code Table

REVERSING VALVE TROUBLESHOOTING
Checking Reversing Valve and Solenoid Reversing valve used in heat pumps could potentially leak internally. Discharge gases can leak into the suction inside the valve. Compound gages will give the same symptoms as bad compressor valves or broken scroll flanks. The temperature between true suction and the suction line after the valve should not be greater than 4 degrees. NOTE: The center tube is always the suction line and should be cold.

If voltage is registered at the coil, tap the valve body lightly while switching the system from HEATING to COOLING, etc. If this fails to cause the valve to switch positions, remove the coil connector cap and test the continuity of the reversing valve solenoid coil. If the coil does not test continuous - replace it. If the coil test continuous and 24 volts is present at the coil terminals, the valve is inoperative - replace it.

Troubleshooting the Reversing Valve for Electrical Failure
1. Place unit into the cooling mode. Test for 24 volts at the solenoid. If there is no voltage present at coil, check the control voltage.
2. If voltage is present, loosen the nut on the top of the coil. Remove the coil, there should be slight resistance.
3. If the slight resistance is felt, remove the coil. As you remove the coil listen carefully, an audible click should be detected. The clicking is due to the movement of the pilot valve plunger. The absence of a clicking sound indicates the plunger is stuck.

Troubleshooting Mechanical Failures on a Reversing Valve by Pressure
1. Troubleshooting the reversing valve can be done by pressure and touch.
2. Raise the head pressure. In the cooling mode block the fan exhaust. Once head pressure has been raised, cycle between cooling and heating and see if the piston can be freed.
Troubleshooting Mechanical Failures on a Reversing Valve by Temperature
1. When operating properly the valve contains refrigerant gases at certain temperatures.
2. The discharge line should be the same temperature after the valves discharge line.
3. The true suction should be the same as the suction line after the valve. If there is a 4-degree difference, valve is leaking.

Figure 13: Reversing Valve
Poor "Terminating" Sensor Contact The unit's defrost terminating sensor must make good thermal contact with the outdoor coil tubing. Poor contact may not terminate the unit's defrost cycle quickly enough to prevent the unit from cutting out on high discharge pressure.
Undercharge An undercharged heat pump on the heating cycle will cause low discharge pressure resulting in low suction pressure and frost accumulation on the outdoor coil.

When stuck in the mid-position, part of the discharge gas from the compressor is directed back to the suction side,
resulting in excessively high suction pressure. An increase in the suction line temperature through the reversing valve can also be measured. Check operation of the valve by starting the system and switching the operation from COOLING to HEATING cycle.

If the valve fails to change its position, test the voltage (24V) at the valve coil terminals, while the system is on the COOLING cycle.

TROUBLESHOOTING CODE

MODE 1 Normal Operation
2 R32 Leak Alarm

DEFINITION No faults to report.
R32 leak is currently being detected.

LED TROUBLESHOOT STATUS

LED FLASHING PATTERN

RECOMMENDED ACTIONS

Slow LED flashing pattern (2 seconds on and 2 seconds off)

No actions needed.

Fast LED Flashing Pattern

A technician will need to find the refrigerant leak and address it. Unit shall be thawed before servicing.

NOTES
In terms of the controls, no action is needed. The controls and sensor are working fine.

No action needed - If the system was previously experiencing an

After R32 leak or alarm has been

actual R32 Leak, the refrigerant can no longer be detected by

Delay Mode

cleared, the unit will remain in alarm mode for 5 minutes before returning to

LED will be on continuously

the sensor meaning it's either gone and the system won't work After any alarm or fault, it is required to remain in

anymore or there was a false alarm. If the system was

R32 mitigation mode for 5 minutes.

normal operation.

experiencing a Fault, the fault is gone and the system will return

to normal operation in 5 min.

Manual test run by contractor to

System Verification Mode

simulate R32 Leak Alarm (test will last for 5 minutes max).

Fast LED Flashing Pattern

No actions needed.

To enter system verification test mode, press the button on the control 2 times within 5 seconds. The control will enter a simulated R32 Leak Alarm state
and remain in that mode for 5 minutes. After 5 minutes, the control will return to Normal
Operation automatically. If the contractor wants to end the test early they need to press the button one
time.

Control Board Internal Fault

Control board has detected an issue with the R32 detection system.

1) Unplug and plug the R32 sensor back in. Cycle power to the

system.

2) If the control is in "Normal Operation" or "Delay Mode", This error could indicate an on board relay failure or

LED will flash 2 times and then be off for 5 seconds, before repeating
pattern

there is no more issue. If not, continue with diagnostics 3) Unplug R32 sensor and leave unplugged. Cycle power to the
system
4) If the control still displays "Control Board Internal Fault" (2

a short with the sensor communications. A sensor communication short could occur on the board itself or external to the board. These steps will
determine if the error is on the board or external to

flash pattern), replace the control. If the control now displays

the board.

"R32 Sensor Communication Fault" (3 flash pattern), replace the

sensor.

R32 Sensor Communication Fault

Control board does not have communications with R32 sensor.

LED will flash 3 times and then be off for 5 seconds, before repeating
pattern

1) Unplug and plug the R32 sensor back in. Cycle power to the system.
2) If control is in "Normal Operation" or "Delay Mode", there is no more issue. If not, continue with diagnostics.
3) If the control still displays "R32 Sensor Communication Fault" (3 flash pattern), replace both the sensor and the PCB.

If the control cannot talk to the sensor there could be a problem with the sensor, a problem with the sensor harness or a problem internal to the control. The field will not be able to measure anything to
reliably fix this error assuming the connector is properly secured to the control. Replacing both is
the only option.

7 R32 Sensor Fault

R32 Sensor has reported an internal issue.

LED will flash 4 times and then be off for 5 seconds, before repeating
pattern

Replace R32 sensor.

Recommended Actions for PCB LED Flashing Codes Table

Communications to the sensor are perfectly fine. The sensor itself is reporting an
internal fault.

warning; flammable materials
service indicator; read technical manual
operator's manual; operating instructions
warning; low burning velocity material
UN GHS flame symbol
Marking Symbol Table
23

TROUBLESHOOTING CHART

SYMPTOM High head - low suction High head - high or normal suction Low head - high suction Unit will not run
Condenser fan runs, compressor doesn't
Low suction - cool compressor Iced evaporator coil Compressor short cycles Registers sweat High suction pressure Insufficient cooling
Evaporator coil freezing or frosting

POSSIBLE CAUSE
a. Restriction in liquid line or flowrator a. Dirty condenser coil b. Overcharged c. Condenser fan not running a. Incorrect flowrator b. Defective compressor valves c. Flowrator not seating properly
a. Power off or loose electrical connection

REMEDY
a. Remove or replace with proper size flowrator. a. Clean coil b. Correct System charge c. Repair or Replace a. Replace with correct flowrator b. Replace compressor c. Check for debris under flowrator or deformed
flowrator. Remove debris or replace flowrator.
a. Check for unit voltage at contactor in unit

b. Thermostat out of calibration set too high b. Reset

c. Defective contactor

c. Check for 24 volts at contactor coil replace if

contacts are open

d. Blown fuses or tripped breaker

d. Replace fuse or reset breaker Check wiring replace transformer

e. Transformer defective f. High or low pressure control open
(Optional)

f. Reset high pressure control or check unit charge

High pressure control opens at 610 psig

g. Compressor overload contacts open

Low pressure control opens at 22 psig g. Replace compressor

NOTE: Wait at least 2 hours for overload to reset

a. Loose connection

a. Check for unit voltage at compressor check & tighten all connections

b. Compressor stuck, grounded or open winding open internal overload

b. Wait at least 2 hours for overload to reset If still open, replace the compressor.

c. Low voltage connection

c. At compressor terminals, voltage must be within 10 % of nameplate volts when unit is operating

d. Capacitor weak, open, or shorted

d. Check capacitor. If defective, replace.

a. Low indoor airflow
a. Defective overload protector b. Unit cycling on low pressure control

a. Increase speed of blower or reduce restriction - replace air filters
a. Replace - check for correct voltage b. Check refrigerant charge and / or airflow

c. High pressure switch cuts out

c. Check airflow (Indoor & outdoor)

a. Low airflow
a. Excessive load b. Defective compressor c. Reversing valve not seating properly. a. Improperly sized unit b. Improper airflow

a. Increase speed of blower or reduce restriction replace air filters
a. Recheck load calculation b. Replace c. Replace a. Recalculate load b. Check - should be approximately 400 CFM per ton

c. Incorrect refrigerant charge.
d. Incorrect voltage
a. Low airflow
b. Low refrigerant charge c. Operating unit in cooling mode below
65°F outdoor temperature
24

c. Charge per procedure attached to unit service panel
d. At compressor terminals, voltage must be within 10% of nameplate volts when unit is operating
a. Check - should be approximately 400 CFM per ton, dirty air filters, all duct outlets open
b. Properly charge unit c. Install or check low ambient control, should be
open below 65°F outdoor temperature

*PHM3[24-60]31** BLOWER PERFORMANCE DATA

Model

Motor Compresor

Tap

Stage

Volts

T1 Single Stage 230

*PHM36031** *PHM34831** *PHM34231** *PHM33631** *PHM533031** *PHM32431**

T2/T3 Single Stage 230

T4/T5 Single Stage 230

T1 Single Stage 230

T2/T3 Single Stage 230

T4/T5 Single Stage 230

T1 Single Stage 230

T2/T3 Single Stage 230

T4/T5 Single Stage 230

T1 Single Stage 230

T2/T3 Single Stage 230

T4/T5 Single Stage 230

T1 Single Stage 230

T2/T3 Single Stage 230

T4/T5 Single Stage 230

Low Stage 230

T2/T3 High Stage 230

T4/T5 High Stage 230

CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts

Horizontal Flow

E.S.P. (In. of H O)

0.1

0.2

0.3

0.4

0.5

847

792

728

638

102

1043 1020

922

906

856

166

168

179

185

194

1371 1306 1281 1240 1186

235

243

252

261

266

877

821

758

674

596

110

118

1276 1223 1175 1128 1077

221

232

241

250

257

1463 1419 1376 1329 1282

284

294

302

309

317

850

795

726

640

559

103

110

1399 1360 1288 1240 1190

281

291

298

305

313

1604 1560 1507 1468 1415

396

402

408

424

426

1003

937

887

837

773

100

106

116

129

142

1487 1447 1407 1363 1318

269

279

291

302

309

1799 1754 1712 1672 1630

419

430

442

453

462

1177 1123 1077 1031

972

142

151

162

173

185

1838 1794 1749 1711 1672

448

458

468

479

490

1984 1947 1975 1864 1823

567

578

590

596

603

1499 1447 1404 1376 1130

268

278

290

300

311

2001 1958 19008 1865 1822

569

583

595

600

613

2199 2161 2126 2090 2056

801

809

817

828

838

0.6 -
713 203 1133 275 531 125 1025 264 1235 325
1136 322 1364 433 699 154 1274 321 1582 469 1626 497 1781 610 1280 325 1774 622 2018 851

0.7 -
623 209 1072 284 481 130 985 271 1183 333
1083 329 1321 444 631 162 1229 332 1534 475 1576 503 1741 618 1230 338 1729 629 1918 858

0.8 -
635 206 1000 293
914 279 1126 340 1017 336 1276 454 574 171 1165 340 1482 481 1528 510 1694 623 1145 353 1680 638 1949 873

NOTES: · Data shown is dry coil. Wet coil pressure drop is approximately: 0.1" H2O, for two-row indoor coil; 0.2" H2O, for three-row coil; and 0.3" H2O, for four-row indoor coil. · Data shown does not include filter pressure drop, approx. 0.08" H2O. · Reduce airflow by 2% for 208-volt operation.

*PHM3[24-60]31** BLOWER PERFORMANCE DATA

Model

Motor Compresor

Tap

Stage

Volts

Low Stage 230

*PHM36031** *PHM34831** *PHM34231** *PHM33631** *PHM533031** *PHM32431**

T2/T3 High Stage 230

T4/T5 High Stage 230

Low Stage 230

T2/T3 High Stage 230

T4/T5 High Stage 230

Low Stage 230

T2/T3 High Stage 230

T4/T5 High Stage 230

Low Stage 230

T2/T3 High Stage 230

T4/T5 High Stage 230

Low Stage 230

T2/T3 High Stage 230

T4/T5 High Stage 230

Low Stage 230

T2/T3 High Stage 230

T4/T5 High Stage 230

CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts

Down Flow

0.1 828 75 1086 157 1355 244 859 83 1303 225 1439 288 825 77 1321 285 1595 382 981 100 1458 266 1786 419 1168 144 1841 438 2004 564 1464 247 1999 546 2067 821

0.2 767 85 993 169 1300 253 797 92 1236 236 1396 297 762 87 1319 291 1555 391 918 113 1418 277 1728 432 1101 155 1786 451 1949 577 1408 264 1957 563 2031 829

E.S.P. (In. of H O)

0.3

0.4

0.5

680

574

104

963

852

768

176

187

194

1254 1201 1147

260

268

276

719

619

552

101

111

118

1178 1123 1075

247

254

262

1341 1294 1246

305

313

322

686

577

523

105

111

1222 1170 1119

300

309

319

1506 1462 1415

399

408

418

850

761

687

126

138

153

1379 1336 1291

288

299

307

1678 1629 1577

445

457

468

1045

979

913

168

182

197

1735 1691 1646

463

473

485

1892 1837 1782

587

594

603

1364 1326 1285

281

292

305

1904 1862 1822

577

587

598

1999 1964 1932

838

849

859

0.6 -
672 205 1084 285 497 122 1015 271 1185 330
1077 324 1370 426 613 161 1249 318 1517 474 1598 493 1728 612 1240 317 1769 606 1897 872

0.7 -
637 215 1007 294 437 127 956 279 1119 339
1005 333 1319 435 553 171 1204 330 1453 482 1544 500 1674 620 1201 334 1732 615 1863 880

0.8 -
621 228 899 303
884 287 1047 347 930 342 1260 444 488 179 1141 337 1385 490 1489 508 1616 628 1140 351 1688 625 1832 895

UNIT DIMENSIONS

Model
*PHM32431 *PHM33031 *PHM33631 *PHM34231 *PHM34831 *PHM36031

Unit Dimensions Height
WD A B

Chassis Size

47 51 32 34 3/4 Medium

47 51 40 42 3/4 Large

Model
*PHM32431 *PHM33031 *PHM33631 *PHM34231 *PHM34831 *PHM36031

Duct Openings

Supply

Return

WHW H

16 16 16 16

16 18 16 18

WIRING DIAGRAM

*PHM3[24-42]31*

HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.

YL PS2 YL R-PS1
C BL C BK C-RV PU CNT BK O-RV OR O PU Y WH W RD R BR DFT BR R-DFT RD DF1 PU DF2

DEFROST CONTROL PCB

RDS

RDS ALARM PLM1
NOT USED 1 1
EEV/10V_IN 2 2 WH EEV/10V_OUT 3 3 GY CTM/OD_OUT 4 4 GY

R_ID_OUT 5 5 RD

COM 6

COM 7 7

24VAC 8 8 PK

PORT1

5V 2 1 C

R32 SENSOR

SEE NOTE 3 BK 240V

PU COM TR

BL GR PK BL

WH WH WH

BL BL BL BL

D LVTB

BR F

C O

YL H
YL

SA SEE NOTE 4

11 22 33 44 55 66 77 88 99 10 10 11 11 12 12
11 22 33 44 55 66 77 88 99 10 10 11 11 12 12

PLM PLF

BK BK BR YL YL BR PU PU BK BK BR YL YL BR PU PU

BK BK YL/PK YL/PK BR

BR BL/PK BL/PK

RVC

LPS

DFT

HPS

PU BK PLF PLM

PU BK

EHK EHK PLM PLF

5 BR

6 WH

BL WH BR BL GY YL GR BL WH BR BL WH YL GR

PU BR BK PU BR BK

BL BK PU

PU GR

C L GN

1 2 3 45

SEE NOTE 2 GR

BR BK CM

YL BK RD S CR COMP

SEE NOTE 7

T2 L2

T1 L1

A2 A1 BL

PU YL

LINE VOLTAGE 208V/230V/1PH/60Hz SEE NOTE 1
GND

LVJB
RD BL WH BR GR OR PU

THERMOSTAT

SEE NOTE 5

O Y

CONTROL BOX

NOTES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL (AT LEAST 105°C). USE COPPER CONDUCTORS ONLY. USE NEC CLASS 2 WIRE FOR ALL LOW VOLTAGE FIELD CONNECTIONS.
2. TO CHANGE BLOWER MOTOR SPEED MOVE YELLOW AND WHITE LEADS FROM BM "2" AND "3" TO "4" AND "5". IF BOTH LEADS ARE ENERGIZED, THE HIGHER SPEED SETTING IS USED.
3. FOR 208 VOLT TRANSFORMER OPERATION MOVE BLACK WIRE FROM TERMINAL 3 TO TERMINAL 2 ON TRANSFORMER.
4. START ASSIST FACTORY EQUIPPED WHEN REQUIRED 5. USE COPPER CONDUCTORS ONLY USE N.E.C. CLASS 2 WIRE 6. CRANKCASE HEATER (OPTIONAL) 7. DOUBLE POLE CONTACTOR SHOWN. SINGLE POLE CONTACTOR COULD BE
FACTORY EQUIPPED AS AN ALTERNATE CONFIGURATION.
SEE UNIT RATING PLATE FOR TYPE AND SIZE OF OVER CURRENT PROTECTION

COMPONENT LEGEND

BM CC CH CHS CM COMP CS DFT ECON EHK GND HPS

BLOWER MOTOR

LPS LOW PRESSURE SWITCH

COMPRESSOR CONTACTOR

LVJB LOW VOLTAGE JUNCTION BOX

CRANKCASE HEATER

LVTB LOW VOLTAGE TERMINAL BLOCK

CRANKCASE HEATER SWITCH

OWV ONE WAY VALVE

CONDENSER MOTOR

PLF FEMALE PLUG/CONNECTOR

COMPRESSOR

PLM MALE PLUG/CONNECTOR

COMP SOLENOID (2ND STG COOLING) RC

RUN CAPACITOR

DEFROST THERMOSTAT

RDS REFRIGERANT DETECTION SYSTEM

ECONOMIZER

RVC REVERSING VALVE COIL

ELECTRIC HEATER KIT

START ASSIST

EQUIPMENT GROUND

TRANSFORMER

HIGH PRESSURE SWITCH

JUNCTION

EQUIPMENT GROUND

TERMINAL

FIELD GROUND

SWITCH (PRESS.)

FIELD SPLICE

CONNECTOR

SWITCH (TEMP)

LEAK DETECTION SYSTEM INSTALLED. UNIT MUST BE POWERED EXCEPT FOR SERVICE. SEE USER MANUAL FOR MORE DETAILS.

RED LED'S STATUS

MODE

CHECK

1 FLASH

STARTUP MODE

SLOW LED FLASHING

NORMAL OPERATION

FAST LED FLASHING

R-32 LEAK ALARM

LEAK DETECTED. FIND AND REPAIR THE SOURCE OF THE LEAK.

LED ON CONTINUOUSLY

DELAY MODE

MODE WILL CLEAR AFTER 5 MINUTES.

FAST LED FLASHING

SYSTEM VERIFICATION MODE

USER ACTIVATED TEST MODE.

2 FLASHES

INTERNAL FAULT

REPLACE CONTROL BOARD.

3 FLASHES

R-32 SENSOR COMMUNICATION FAULT

VERIFY REFRIGERANT SENSOR WIRING. REPLACE SENSOR. REPLACE CONTROL
BOARD.

4 FLASHES

R-32 SENSOR FAULT

REPLACE SENSOR.

WIRE CODE

BLACK

BLUE

BROWN

GREEN

GRAY

ORANGE

PINK

PURPLE

RED

WHITE

YELLOW

BL/PNK BLUE/PINK STRIPE

WIRING
HIGH VOLTAGE LOW VOLTAGE FIELD INSTALLED POWER FIELD INSTALLED CONTROL OPTIONAL HIGH VOLTAGE OPTIONAL LOW VOLTAGE

0140G04671-A

Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. 28

WIRING DIAGRAM

*PHM34831*

HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.

YL PS2 YL R-PS1
C BL C BK C-RV PU CNT BK O-RV OR O PU Y WH W RD R BR DFT BR R-DFT RD DF1 PU DF2

DEFROST CONTROL PCB

RDS

RDS ALARM PLM1

NOT USED 1 1

EEV/10V_IN 2 2 WH

EEV/10V_OUT 3 3 GY

CTM/OD_OUT 4

R_ID_OUT 5 5 RD

COM 6

COM 7 7

24VAC 8

PORT1

5V 2 1 C

R32 SENSOR

SEE NOTE 3 BK 240V

PU COM TR

BL GR PK BL

WH WH WH

BL BL BL BL

D LVTB

BR F

C O

YL H
YL

SA SEE NOTE 4

11 22 33 44 55 66 77 88 99 10 10 11 11 12 12
11 22 33 44 55 66 77 88 99 10 10 11 11 12 12

PU BK GR BK BK BR YL YL BR PU PU GR
PLM
PLF

PU BK GR

BK BK BR YL YL BR PU PU

BK PU
CH GR

CHS

BK BK YL/PK YL/PK BR

BR BL/PK BL/PK

RVC

LPS

DFT

HPS

PU BK PLF PLM

PU BK

EHK EHK PLM PLF

5 BR

6 WH

BL WH BR BL GY YL GR BL WH BR BL WH YL GR

PU BR BK PU BR BK

BL BK PU

PU GR

C L GN

1 2 3 45

SEE NOTE 2 GR

BR BK CM

YL BK RD S CR COMP

SEE NOTE 7

T2 L2

T1 L1

A2 A1

PU YL

LINE VOLTAGE 208V/230V/1PH/60Hz SEE NOTE 1
GND

LVJB
RD BL WH BR GR OR PU

THERMOSTAT

SEE NOTE 5

O Y

CONTROL BOX

COMPONENT LEGEND

BM CC CH CHS CM COMP DFT ECON EHK GND HPS LPS

BLOWER MOTOR COMPRESSOR CONTACTOR CRANKCASE HEATER CRANKCASE HEATER SWITCH CONDENSER MOTOR COMPRESSOR DEFROST THERMOSTAT ECONOMIZER ELECTRIC HEATER KIT EQUIPMENT GROUND HIGH PRESSURE SWITCH LOW PRESSURE SWITCH

LVJB LVTB PLF PLM RC RDS RVC SA TR

LOW VOLTAGE JUNCTION BOX LOW VOLTAGE TERMINAL BLOCK FEMALE PLUG/CONNECTOR MALE PLUG/CONNECTOR RUN CAPACITOR REFRIGERANT DETECTION SYSTEM REVERSING VALVE COIL START ASSIST TRANSFORMER

JUNCTION

EQUIPMENT GROUND

TERMINAL

FIELD GROUND

SWITCH (PRESS.)

FIELD SPLICE

CONNECTOR

SWITCH (TEMP)

LEAK DETECTION SYSTEM INSTALLED. UNIT MUST BE POWERED EXCEPT FOR SERVICE. SEE USER MANUAL FOR MORE DETAILS.

RED LED'S STATUS

MODE

CHECK

1 FLASH

STARTUP MODE

SLOW LED FLASHING

NORMAL OPERATION

FAST LED FLASHING

R-32 LEAK ALARM

LEAK DETECTED. FIND AND REPAIR THE SOURCE OF THE LEAK.

LED ON CONTINUOUSLY

DELAY MODE

MODE WILL CLEAR AFTER 5 MINUTES.

FAST LED FLASHING

SYSTEM VERIFICATION MODE

USER ACTIVATED TEST MODE.

2 FLASHES

INTERNAL FAULT

REPLACE CONTROL BOARD.

3 FLASHES

R-32 SENSOR COMMUNICATION FAULT

VERIFY REFRIGERANT SENSOR WIRING. REPLACE SENSOR. REPLACE CONTROL
BOARD.

4 FLASHES

R-32 SENSOR FAULT

REPLACE SENSOR.

WIRE CODE

BLACK

BLUE

BROWN

GREEN

GRAY

ORANGE

PINK

PURPLE

RED

WHITE

YELLOW

YL/PK

YELLOW/PINK STRIPE

BL/PK

BLUE/PINK STRIPE

TAN

WIRING
HIGH VOLTAGE LOW VOLTAGE FIELD INSTALLED POWER FIELD INSTALLED CONTROL OPTIONAL HIGH VOLTAGE OPTIONAL LOW VOLTAGE

0140G04686-A

Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. 29

WIRING DIAGRAM

*PHM36031*

HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.

GR
PU RD
RD CHS

YL PS2 YL R-PS1
C BL C BK C-RV PU CNT BK O-RV OR O PU Y WH W RD R BR DFT BR R-DFT RD DF1 PU DF2

DEFROST CONTROL PCB

RDS

RDS ALARM PLM1

NOT USED 1 1

EEV/10V_IN 2 2 WH EEV/10V_OUT 3 3 GY

CTM/OD_OUT 4 4 GY

R_ID_OUT 5 5 RD

COM 6

COM 7 7

24VAC 8 8 PK

PORT1

5V 2 1 C

R32 SENSOR

SEE NOTE 3 BK 240V

PU COM TR

BL GR PK BL

WH WH WH

BL BL BL BL

D LVTB

BL BL BL

BR F

C O

YL H
YL

SA SEE NOTE 4

11 22 33 44 55 66 77 88 99 10 10 11 11 12 12
11 22 33 44 55 66 77 88 99 10 10 11 11 12 12

PU BK GR

BK BK BR YL YL BR PU PU

PLM

PLF

PU BK GR

BK BK BR YL YL BR PU PU

BK CH GR

BK BK YL/PK YL/PK BR

BR BL/PK BL/PK

RVC

LPS

DFT

HPS

PU BK PLF PLM

PU BK

EHK EHK PLM PLF

5 BR

6 WH

BL WH BR BL GY YL GR BL WH BR BL WH YL GR

PU BR BK PU BR BK

BL BK PU

PU GR

C L GN

1 2 3 45

SEE NOTE 2 GR

BR BK CM

SEE NOTE 7

T2 L2

T1 L1

A2 A1

YL PU YL

CSR

31 BL
CSR

LVJB
RD BL WH BR GR OR PU YL

YL BK RD

S CR

COMP SOL YL

LINE VOLTAGE 208V/230V/1PH/60Hz SEE NOTE 1
GND
R C W1
THERMOSTAT W2
SEE NOTE 5 G O Y1 Y2
CONTROL BOX

COMPONENT LEGEND

BM CC CH CHS CM COMP CSR DFT ECON EHK GND HPS LPS

BLOWER MOTOR COMPRESSOR CONTACTOR CRANKCASE HEATER CRANKCASE HEATER SWITCH CONDENSER MOTOR COMPRESSOR COMPRESSOR SOLENOID RELAY DEFROST THERMOSTAT ECONOMIZER ELECTRIC HEATER KIT EQUIPMENT GROUND HIGH PRESSURE SWITCH LOW PRESSURE SWITCH

LVJB LVTB PLF PLM RC RDS RVC SA SOL TR

LOW VOLTAGE JUNCTION BOX LOW VOLTAGE TERMINAL BLOCK FEMALE PLUG/CONNECTOR MALE PLUG/CONNECTOR RUN CAPACITOR REFRIGERANT DETECTION SYSTEM REVERSING VALVE COIL START ASSIST SOLENOID TRANSFORMER

JUNCTION

EQUIPMENT GROUND

TERMINAL

FIELD GROUND

SWITCH (PRESS.)

FIELD SPLICE

CONNECTOR

SWITCH (TEMP)

LEAK DETECTION SYSTEM INSTALLED. UNIT MUST BE POWERED EXCEPT FOR SERVICE. SEE USER MANUAL

FOR MORE DETAILS.

RED LED'S STATUS

MODE

CHECK

1 FLASH

STARTUP MODE

SLOW LED FLASHING

NORMAL OPERATION

FAST LED FLASHING

R-32 LEAK ALARM

LEAK DETECTED. FIND AND REPAIR THE SOURCE OF THE LEAK.

LED ON CONTINUOUSLY

DELAY MODE

MODE WILL CLEAR AFTER 5 MINUTES.

FAST LED FLASHING

SYSTEM VERIFICATION MODE

USER ACTIVATED TEST MODE.

2 FLASHES

INTERNAL FAULT

REPLACE CONTROL BOARD.

3 FLASHES

R-32 SENSOR COMMUNICATION FAULT

VERIFY REFRIGERANT SENSOR WIRING. REPLACE SENSOR. REPLACE CONTROL
BOARD.

4 FLASHES

R-32 SENSOR FAULT

REPLACE SENSOR.

WIRE CODE

BLACK

BLUE

BROWN

GREEN

GRAY

ORANGE

PINK

PURPLE

RED

WHITE

YELLOW

YL/PK

YELLOW/PINK STRIPE

BL/PK

BLUE/PINK STRIPE

TAN

WIRING
HIGH VOLTAGE LOW VOLTAGE FIELD INSTALLED POWER FIELD INSTALLED CONTROL OPTIONAL HIGH VOLTAGE OPTIONAL LOW VOLTAGE

0140G04678-A

Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. 30

PACKAGE UNITS - HEAT PUMP AND AC UNITS
HOMEOWNER'S ROUTINE MAINTENANCE RECOMMENDATIONS

We strongly recommend a bi-annual maintenance checkup be performed by a qualified service agency before the heating and cooling seasons begin.

Replace or Clean Filter
WARNING
HIGH VOLTAGE! Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death.
IMPORTANT NOTE: Never operate unit without a filter installed as dust and lint will build up on internal parts resulting in loss of efficiency, equipment damage and possible fire.

Aluminum Indoor Coil Cleaning (Qualified Servicer Only) This unit is equipped with an aluminum tube evaporator coil. The safest way to clean the evaporator coil is to simply flush the coil with water. This cleaning practice remains as the recommended cleaning method for both copper tube and aluminum tube residential cooling coils.
An alternate cleaning method is to use one of the products listed in the technical publication TP-109 (shipped in the literature bag with the unit) to clean the coils. The cleaners listed are the only agents deemed safe and approved for use to clean round tube aluminum coils. TP-109 is available on the web site in Partner Link > Service Toolkit.

A return air filter is not supplied with this unit; however, there must be a means of filtering the return air. An indoor air filter must be used with your comfort system. A properly maintained filter will keep the indoor coil of your comfort system clean. A dirty coil could cause poor operation and/ or severe equipment damage.
The installer of your unit can tell you where your filter(s) are and how to clean or replace them.
Check your return filter(s) at least once every two months. When they are dirty, replace or clean as required.
Disposable type filters should be replaced. Reusable type filters may be cleaned.
NOTE: Reusable type filters should be washed with warm water, dried completely and sprayed with an adhesive according to the manufacturers recommendations.
You may want to ask your dealer about high efficiency filters. High efficiency filters are available in both electronic and non-electronic types. These filters can do a better job of catching small airborne particles.

NOTE: Ensure coils are rinsed well after use of any chemical cleaners.
Annual Inspection (Qualified Servicer Only) Your package unit should be inspected by a qualified installer, or service agency at least twice every year. This check should be performed before the heating and
cooling seasons begin. This will ensure that the system is performing properly and safely. Repair as necessary.
· Check physical support of the unit. Ensure it is sound without any sagging, cracks, or gaps, around the base.
· Check for obvious signs of deterioration of the unit. · Check both condenser and evaporator coil to make
sure each are clean. · Return Air Connection. Check for physical
soundness and ensure that the connection is firmly sealed to the package unit casing. · Wiring. Check wires for damage. Check electrical connections for tightness and/or corrosion. · Filters. Check that filters are clean and in the proper placement in the unit or duct system. · Louvers. Inspect air inlet louvers inside the heat exchanger compartments. Ensure the area is clean and free of dirt and debris.

Improper filter maintenance is the most common cause of inadequate heating or cooling performance. Filters should be cleaned (permanent) or replaced (disposable) every two months or as required. When replacing a filter, it must be replaced with a filter of the same type and size and always make certain the air flow arrows on the filter point in the proper direction.

Before Calling Your Servicer · Check the thermostat to confirm that it is properly set. · Check the disconnect switch near the unit to confirm that it is closed. · Check the electrical panel for tripped circuit breakers
or open fuses. Reset the circuit breakers or replace fuses as necessary. · Check for blockage of the indoor air inlets and outlets.

Condenser and Evaporator Motors The bearings on the air circulating blower motor and condenser motor are permanently lubricated and require
no further lubrication.

Confirm that they are open and have not been blocked by objects (rugs, curtains or furniture). · Check for obstructions on the unit. Confirm that it has not been covered on the sides or the top. Remove any obstruction that can be safely removed. If the unit

Compressor The compressor motor is hermetically sealed and does not
require additional oiling. 31

is covered with dirt or debris, call a qualified servicer to clean it. · Check the filter. If it is dirty, clean or replace it.

START-UP CHECKLIST

Residential Package - (Indoor Section)
ELECTRICAL Line Voltage (Measure L1 and L2 Voltage) Secondary Voltage (Measure Transformer Output Voltage) Blower Amps Heat Strip 1 - Amps Heat Strip 2 - Amps
BLOWER EXTERNAL STATIC PRESSURE Return Air Static Pressure Supply Air Static Pressure Total External Static Pressure (Ignoring +/- from the reading above, add total here)
TEMPERATURES Return Air Temperature (Dry bulb / Wet bulb) Cooling Supply Air Temperature (Dry bulb / Wet bulb) Heating Supply Air Temperature Temperature Rise Delta T (Difference between Supply and Return Temperatures)
GAS PRESSURES Gas Inlet Pressure Gas Manifold Pressure (Low Fire) Gas Manifold Pressure (High Fire)

Model Number Serial Number
L1 - L2 R - C

Gas Type (NG) = Natural Gas / (LP) = Liquid Propane

Residential Package - (Outdoor Section) ELECTRICAL
Supply Voltage (Measure L1 and L2 Voltage) Compressor Amps Condenser Fan Amps
PRESSURES / TEMPERATURES Suction Circuit (Pressure / Suction Line Temperature) Liquid Circuit (Pressure / Liquid Temperature) Outdoor Air Temperature (Dry bulb / Wet bulb)
SUPERHEAT / SUBCOOLING

L1 - L2
PSIG PSIG SH

Additional Checks Check wire routings for any rubbing Check product for proper draining
Check for kinked pressure switch tubing.
Check flue elbow for alignment and clamp tightness. Check screw tightness on blower wheel. Check factory wiring and wire connections. Check screw tightness on Outdoor Motor and Blade Check product for proper clearances as noted by installation instructions

°F to °C formula: (°F - 32) divided by 1.8 = °C

°C to °F formula: (°C multiplied by 1.8) + 32 = °F

IN. W.C. IN. W.C. IN. W.C.
DB °F DB °F DB °F DB °F DB °F
IN. W.C. IN. W.C. IN. W.C.

WB °F WB °F

TEMP TEMP DB °F SC

°F °F WB °F

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CUSTOMER FEEDBACK We are very interested in all product comments. Please fill out the feedback form on one of the following links: Goodman® Brand Products: (http://www.goodmanmfg.com/about/contact-us). Amana® Brand Products: (http://www.amana-hac.com/about-us/contact-us). You can also scan the QR code on the right for the product brand you purchased to be directed to the feedback page.

GOODMAN® BRAND

AMANA® BRAND

References

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