Carrier 40MAQ High Wall Ductless System

NOTE TO EQUIPMENT OWNER:

Please read this Owner's Information Manual carefully before installing and using this appliance and keep this manual for future reference.

For your convenience, please record the model and serial numbers of your new equipment in the spaces provided. This information, along with the installation data and dealer contact information, will be helpful should your system require maintenance or service.

A NOTE ABOUT SAFETY

Any time you see this symbol ⚠️ in manuals, instructions and on the unit, be aware of the potential for personal injury. There are three levels of precaution:

• DANGER identifies the most serious hazards which will result in severe personal injury or death.
• WARNING signifies hazards that could result in personal injury or death.
• CAUTION is used to identify unsafe practices which could result in minor personal injury or product and property damage.
• NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation.

WARNING

PERSONAL INJURY, DEATH AND / OR PROPERTY DAMAGE HAZARD

Failure to follow this warning could result in personal injury, death or property damage.

Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or service agency must use factory-authorized kits or accessories when modifying this product.

Read and follow all instructions and warnings, including labels shipped with or attached to unit before operating your new air conditioner.

GENERAL

The high wall fan coil unit provides quiet, maximum comfort. In addition to cooling and/or heating, the high wall fan coil unit matched with an outdoor condensing unit filters and dehumidifies the air in the room to provide maximum comfort.

IMPORTANT: The high wall fan coil unit should be installed by authorized personnel only; using approved tubing and accessories. If technical assistance, service or repair is needed, contact the installer.

The high wall fan coil unit can be set up and operated from the remote control (provided). If the remote is misplaced, the system can be operated from the "Auto" setting on the unit.

Operating Modes:

The high wall fan coil unit has five operating modes:

• ? Fan only
• ? Auto
• ? Heating (heat pump models only)
• ❄️ Cooling
• ? Dehumidification (DRY)

Fan Only

In Fan Only mode, the system filters and circulates the room air without changing room air temperature.

Auto

In Auto mode, the system automatically cools or heats the room according to the user-selected set point.

NOTE: Auto mode is recommended for use on Single Zone applications only. Using Auto changeover on multi-zone applications could set an indoor unit to STANDBY mode, indicated with two dashes (--) on the display, which will turn off the indoor unit until all the indoor units are in the same mode (Cooling or Heating ). Heating is the system's priority mode. Simultaneous Heating and Cooling is not allowed.

Heating

In Heating mode, the system heats and filters the room air.

Cooling

In Cooling mode, the system cools, dries and filters the room air.

Dehumidification (DRY)

In Dehumidification mode, the system dries, filters and slightly cools the room air temperature. This mode prioritizes air dehumidification but it does not take the place of a dehumidifier.

Wireless Remote Control

The remote control transmits commands to set up and operate the system. The control has a window display panel that displays the current system status. The control can be secured to a surface when used with the mounting bracket provided.

Wired Remote Control (Optional)

24V Interface (Optional)

Allows the control of the Ductless System with a third party thermostat.

PART NAMES

Indoor Unit Components:

• 1. Front panel
• 2. Air Inlet
• 3. Display
• 4. Air Filter
• 5. Right-Left airflow grille
• 6. Up-Down air flow louver

Connections:

• 7. Interconnecting tubing
• 8. Control and power wiring to indoor unit

Outdoor Unit Components:

• 9. Service valves

Remote Control Components:

• 10. Remote control
• 11. Remote control bracket
• 12. Self-tapping screws

Diagram Description (Fig. 1 - Indoor/Outdoor Unit): A diagram showing the indoor wall-mounted unit and the outdoor condensing unit. The indoor unit has labels pointing to: 1. Front panel, 2. Air Inlet, 3. Display, 4. Air Filter, 5. Right-Left airflow grille, 6. Up-Down air flow louver. The outdoor unit shows 9. Service valves. Also shown are 7. Interconnecting tubing and 8. Control and power wiring connecting the two units. The remote control (10) and its bracket (11) are also depicted, along with 12. Self-tapping screws. Airflow direction is indicated by arrows.

Remote Controller

Diagram Description (Fig. 2 - Remote Controller): An image of the handheld remote control. It features a display screen at the top, followed by buttons arranged in sections: ON/OFF, FP, MODE, TEMP ▲, TEMP ▼, FAN/SLC, TIMER ON, TIMER OFF, SLEEP, SWING/DIRECT, TURBO, CLEAN, LED, FOLLOW ME. The Carrier logo is visible.

FUNCTION BUTTONS

Before you begin using your new air conditioner, make sure to familiarize yourself with the remote control. The following is a brief introduction to the remote controller.

ON/OFF: Turns the unit on or off.

MODE: Scrolls through operation modes: AUTO ?, COOL ❄️, DRY ?, HEAT ?, FAN ?.

FAN/SLC: Selects fan speeds in the following order: AUTO ?, LOW, MED, HIGH. Hold down this button for 2 seconds to activate the Silence function.

SLEEP: Saves energy during sleeping hours.

TURBO: Enables unit to reach preset temperature in shortest possible time.

SELF CLEAN: Starts and stops self clean feature.

LED: Turns indoor unit's LED display on and off. If you are sensitive to light when you go to sleep, you can press the LED button to turn off the LED display on the indoor unit. Press the button again to turn it back on.

FP: Activate/Disable freeze protection function.

TEMP [temp-up]: Increases temperature in 1°F (1°C) increments. Max. temperature is 86°F.

TEMP [temp-down]: Decreases temperature in 1°F (1°C) increments. Min. temperature is 62°F.

NOTE: Press and hold [temp-up] and [temp-down] buttons together for 3 seconds to alternate the temperature display between the °C & °F scale.

TIMER ON: Sets timer to turn unit on.

TIMER OFF: Sets timer to turn unit off.

SWING/DIRECT: Starts and stops louver movement.

FOLLOW ME: Temperature sensing and room temperature display button.

Diagram Description (Fig. 3 - Remote Controller): A diagram illustrating the remote control buttons and their functions. It shows the ON/OFF button, MODE button (with cycle AUTO, COOL, DRY, HEAT, FAN), FAN/SLC button (for fan speed selection), SLEEP button, TURBO button, SELF CLEAN button, LED button, FP (Freeze Protection) button, TEMP ▲/▼ buttons (for temperature adjustment), TIMER ON/OFF buttons, SWING/DIRECT button, and FOLLOW ME button. Notes explain specific button actions like holding for 2 seconds for Silence function or alternating temperature scale.

NOTE: New Remote Controller starting on production of week 41 year 2016 (serial number 4116V10001). For advanced functions, refer to the RG57F3(B)/BGEFU1 Wireless Remote Controller's Service Manual.

DISPLAY PANELS

Diagram Description (Fig. 4 - Display Panel): A simplified diagram of the indoor unit's display panel showing indicators for SELECTED TEMPERATURE / SELF-DIAGNOSTIC CODES, DEFROST, OPERATION, and TIMER.

Remote LCD Screen Indicators:

• Transmission Indicator: Lights up when the remote sends a signal to indoor unit.
• ON/OFF display: Appears when the unit is turned on, and disappears when it is turned off.
• MODE display: Displays the current mode, including: AUTO ?, COOL ❄️, DRY ?, HEAT ?, FAN ?.
• TIMER ON display: Displays when TIMER ON is set.
• TIMER OFF display: Displays when TIMER OFF is set.
• ECO display: Not available for this unit.
• Battery display: Low battery detection.
• SLEEP display: Displays when SLEEP function is activated.
• FOLLOW ME display: Indicates that the FOLLOW ME function is on.
• FRESH display: Not available for this unit.
• FAN SPEED display: Displays selected FAN SPEED: HIGH, MED, or LOW. This display is blank when set to AUTO speed or DRY mode.
• SILENT display: Displays when silence function is activated.
• Temperature/Timer display: Displays the set temperature by default, or timer setting when using TIMER ON/OFF functions. Temperature range: 62-86°F. Timer setting range: 0-24 hours. This display is blank when operating in FAN mode.

Diagram Description (Fig. 5 - Unit Display): A detailed diagram of the indoor unit's display screen and its indicators. It shows the Transmission Indicator, ON/OFF display, MODE display (AUTO, COOL, DRY, HEAT, FAN), TIMER ON/OFF displays, ECO display, Battery display, SLEEP display, FOLLOW ME display, FRESH display, FAN SPEED display, SILENT display, and Temperature/Timer display. Icons are used to represent modes and fan speeds.

REMOTE CONTROL

Diagram Description (Fig. 6 - Remote Control): Shows the remote control layout with buttons.

CAUTION

EQUIPMENT DAMAGE HAZARD

Failure to follow this caution may result in equipment damage. Handle the control with care and avoid getting the control wet.

IMPORTANT: The remote control can operate the unit from a distance of up to 26 ft. (8 m) as long as there are no obstructions. When the timer function is used, the remote control should be kept in the vicinity of the fan coil (within 26 ft. / 8 m).

The remote control can perform the following basic functions:

• Turn the system ON and OFF
• Select operating mode
• Adjust room air temperature set point and fan speed
• Adjust right-left airflow direction

Refer to the Remote Control Function section for a detailed description of all the capabilities of the remote control.

Battery Installation

Two AAA 1.5v alkaline batteries (included) are required for operation of the remote control.

To install or replace batteries:

1. Slide the back cover off the control to open the battery compartment.
2. Insert batteries. Follow the polarity markings inside the battery compartment.
3. Replace the battery compartment cover.

NOTE:

• When replacing batteries, do not use old batteries or a different type battery. This may cause the remote control to malfunction.
• If the remote is not going to be used for several weeks, remove the batteries. Otherwise battery leakage may damage the remote control.
• The average battery life under normal use is about 6 months.
• Replace the batteries when there is no audible beep from the indoor unit or if the Transmission Indicator fails to light.
• When batteries are removed, the remote control erases all programmed settings. The control must be reprogrammed after insertion of new batteries.

Remote Control Operation – Quick Start

NOTE: When transmitting a command from the remote control to the unit, be sure to point the control toward the right side of the unit. The unit confirms receipt of a command by sounding an audible beep.

1. Turn the unit on by pushing ON/OFF.
2. If there is a preference for °C rather than °F (default), press and hold the [temp-up] and [temp-down] buttons together for approximately 3 seconds.
3. Select the desired mode by pushing the mode button: AUTO ?, COOL ❄️, DRY ?, HEAT ?, FAN ?.
   Diagram Description (Fig. 7 - Modes): A diagram illustrating the mode selection sequence on the remote control.
4. Select the temperature set point by pointing the control toward the unit and pressing the [temp-up]/[temp-down] buttons until the desired temperature appears on screen.
5. Select the desired fan speed by pressing FAN.

   NOTE: If the unit is operating in DRY or AUTO mode, the fan speed will be automatically set.

6. Set the airflow direction. When the unit is turned on, the Up-Down Airflow louvers default to the cooling or heating position. The user can adjust the horizontal Up-Down airflow louver position by pushing DIRECT or have continuous louver movement by pressing SWING.

Manual Operation

If the remote control is lost, damaged, or the batteries are exhausted, MANUAL can be used to run the unit.

When MANUAL is pressed once, the AUTO mode takes affect (heat or cool). When this button is pressed twice, the system enters the TEST mode and runs for 30 minutes in the COOLING mode (it will run in the AUTO mode afterward). When pressed three times, the system turns OFF.

Diagram Description (Fig. 8 - Manual Button): Shows the location of the MANUAL button on the unit itself, which can be used for basic operation if the remote is lost.

The set conditions of manual operation are as follows:

• Preset set point: 76°F (24°C)
• Fan speed: AUTO
• Discharge air direction: Pre-set position based on operation in "Cool" or "Heat" mode.

REMOTE CONTROL FUNCTIONS

Pressing On/Off

When the air conditioner is not in operation, the remote control displays the last set point and mode.

• Press ON/OFF to start the unit. The unit starts in the last operating mode and set point. The ON/OFF indicator appears.
• Press ON/OFF to stop the unit. All the indicator lights on the unit go out, and the remote control displays the set point and mode.

NOTE: If ON/OFF is pressed too soon after a stop, the compressor will not start for 3 to 4 minutes due to the inherent protection against frequent compressor cycling. The unit only emits an audible beep when the signals are received correctly.

Selecting an Operating Mode

Use OPERATING MODE to select one of the available modes.

Diagram Description (Fig. 9 - Display): Shows the remote control's LCD screen displaying various modes and settings, including Timer On/Off, Auto mode, Set Temp, ECO, Battery status, Cool, Dry, Heat, Fan modes, and Fan speed.

Setting the Room Temperature Set Point

Press the [temp-up] and [temp-down] buttons to raise or lower the temperature.

The unit confirms the signal receipt with a beep and the value of the set temperature appears on the display and changes accordingly. The temperature can be set between 62°F (17°C) and 86°F (30°C) in increments of 1°F or 1°C.

NOTE: In the COOLING mode, if the temperature selected is higher than the room temperature, the unit will not start. The same applies for the HEATING mode if the selected temperature is lower than the room temperature.

Selecting the Fan Speed

The fan speed can be selected by pressing FAN.

Diagram Description (Fig. 10 - Fan Speeds): A diagram showing the fan speed selection options on the remote: AUTO ?, LOW, MED, HIGH.

NOTE: When the unit is on, the fan runs continuously in cooling or heating. When in heating, there might be situations where the fan will slow down or shut off to prevent cold blow.

Selecting the Up-Down Louver Position

To optimize comfort, the Up-Down louver operates in a preset range.

Diagram Description (Fig. 11 - Louver Position): Diagrams illustrating the range of motion for the Up-Down airflow louvers in COOLING and HEATING modes.

The up-down airflow louver can be adjusted by pressing DIRECT on the remote control and can be set to be stationary or moving continuously pressing SWING. The up-down louver position is stored in the settings, however it is deactivated when the TURBO or MANUAL settings are set, or when a power interruption takes place.

Air Direction

Press DIRECT repeatedly to choose one of the up-down louver positions. Every time this button is pushed, the specific louver swings by 6 degrees.

In the COOLING, DRY, and FAN ONLY modes, the louver swings in the cooling range. In the HEATING mode, the louver swings in the heating range.

NOTE: Always use the remote control to adjust the up-down louver position, otherwise abnormal operation may occur. If the up-down louver is manually adjusted out of its range, power the unit off and then back on again.

Auto Swing

For automatic up-down louver swing, push SWING.

Selecting Right-Left Direction of the Louver

The right-left louvers can be adjusted manually to direct the airflow to achieve optimal comfort in the space.

Diagram Description (Fig. 12 - Louver): A diagram showing the airflow direction controlled by the louvers.

Timer Function

⏱️ TIMER ON (to start the unit) and ⏱️ TIMER OFF (to stop the unit) can be used separately or together.

Timer ON only

This function allows the unit to start automatically at the set time. The TIMER ON function can be set while the unit is on or off.

UNIT ON

1. Press TIMER ON to initiate the auto-on time sequence. The set time is displayed in the remote control display. Every time TIMER ON is pressed, the time increases by 30 minutes, up to 10 h. It increases by 60 minutes, afterwards, until the time setting reaches 24 h.
2. When the TIMER ON is set, the TIMER light on unit illuminates. The unit continues to run at the set time.

UNIT OFF

1. Set the timer described in the UNIT ON section.
2. The unit starts at the set time.

Adjust the TIMER ON settings to 0.0 to cancel this option.

Timer OFF only

This function allows the unit to stop automatically at the set time. The timer can be set while the unit is on or while it is off.

UNIT ON

1. Press TIMER OFF to initiate the auto-off time sequence. The set time appears on the remote control display. Every time TIMER OFF is pressed, the time increases by 30 minutes, up to 10 h. It increases by 60 minutes, afterwards, until the time settings reach 24 h.
2. When the TIMER OFF is set, the timer light on the unit illuminates and the unit turns off automatically at the set time.

UNIT OFF

1. Set the TIMER off as described in the UNIT ON section. The TIMER display on the unit illuminates and the unit remains off.
2. Adjust the TIMER ON settings to 0.0 to cancel this option.

Timer ON and Timer OFF

Use both functions to program the unit to turn on and shut off at specified times.

UNIT OFF

1. Set TIMER ON as previously described.
2. Set TIMER OFF as previously described. The unit starts automatically at the set TIME ON and turns off at the set TIME OFF.

UNIT ON

1. Set TIME OFF as previously described.
2. Set TIME ON as previously described. The unit turns off automatically at the set TIME OFF and turns on at the set TIME ON.

Sleep Mode

SLEEP mode is used to conserve energy and can be used when the unit is in the COOL, HEAT or AUTO mode only.

Cool Mode

1. Push SLEEP. After 1 hour the set point raises by 1.8°F (1°C). After another hour, the set point raises by another 1.8°F (1°C) and the fan runs in a low speed. The unit shuts off 5 hours after setting the SLEEP mode. The SLEEP mode cancels if either "Mode", "TEMP", "Fan", "Timer", or "On/Off" on the remote control is pressed.

Heat Mode

• Same as the COOLING mode however the set points are lowered by 1.8°F (1°C).

TURBO Mode

Use the TURBO mode to cool or heat the room rapidly.

1. Press TURBO. An audible “beep” is heard if the indoor unit supports this function. The fan runs on super high speed. The TURBO mode terminates automatically 20 minutes after pushing TURBO mode. It can be terminated immediately by selecting the TURBO mode again. When the TURBO mode is terminated, the unit reverts to the original setting.

Self Clean Mode

Press "Self Clean" to activate or deactivate the self-cleaning function. Under this function, the air conditioner automatically cleans and dries the evaporator. The cleaning cycle takes 30 minutes, after which the unit turns off automatically. Pressing SLC on the middle of the cycle cancels the operation and turn off the unit. This function can be activated only on COOL or DRY mode.

Follow Me Mode

Press Follow Me to activate or deactivate this function. Under this setting, the temperature that appears in the remote control is the actual temperature at its location. The remote control sends this signal to the air conditioner every 3 minutes. This function is not available for DRY and FAN modes.

Freeze Protection Mode

Press "FP" for approximately 2 seconds to activate or deactivate the freeze protection mode (heating set back). The indoor unit displays "FP".

NOTE: This function is only available in the heating mode.

Under this function, the unit operates at high fan speed and the coil temperature automatically sets to 46°F (8°C). This mode can also be deactivated by pressing “On/Off”, “Sleep”, “Mode”, “Fan”, or either "TEMP".

Silence Mode

Press SLC to activate of deactivate the SILENCE Mode. Under this function, the compressor operates at low frequency and the indoor unit produces a faint breeze, which reduces the noise to the lowest level. Due to low the frequency operation of the compressor, it may result in insufficient cooling and heating capacity.

LED Light

Press LED to turn the display light on and off.

Resetting the Remote Control

If the batteries in the remote control are removed, the current settings will be cancelled and the control returns to the initial settings and will be in standby mode. Push ON/OFF to activate.

Time Delay

If On/Off is pressed too soon after a stop, the compressor will not start for 3 to 4 minutes due to the inherent protection against frequent compressor cycling. The unit only emits an audible beep when the signals are received correctly.

Heating Features

If the unit is in HEATING mode, there is a delay when the fan starts. The fan starts only after the coil is warmed up to prevent cold blow.

Auto Defrost Operation

In HEATING mode, if the outdoor coil is frosted, the indoor fan and outdoor fan turns off while the system removes the frost on the outdoor coil. The system automatically reverts to normal operation when frost is removed from the outdoor unit.

Auto Start

If the power fails while the unit is operating, the unit stores the operating condition, and it will start operation automatically under those conditions when the power is restored.

CLEANING, MAINTENANCE AND TROUBLESHOOTING

CAUTION

ELECTRICAL SHOCK HAZARD

Failure to follow this caution may result in personal injury or death. Always turn off power to the system before performing any cleaning or maintenance to the system. Turn off the outdoor disconnect switch located near outdoor unit. Be sure to disconnect indoor unit if on a separate switch.

CAUTION

EQUIPMENT DAMAGE/OPERATION HAZARD

Failure to follow this caution may result in equipment damage or improper unit operation. Operating the system with dirty air filters may damage the indoor unit and could cause reduced cooling performance, intermittent system operation, frost build-up on indoor coil or blown fuses.

Periodic Maintenance

Periodic maintenance is recommended to ensure proper operation of the unit. Recommended maintenance intervals may vary depending on the installation environment, e.g., dusty zones, etc. Refer to Table 1.

CAUTION

CUT HAZARD

Failure to follow this caution may result in personal injury. The coil fins are very sharp. Use caution when cleaning. Always wear safety protection.

Cleaning the Coil

Clean the coil at the beginning of each cooling season, or when necessary. Use a vacuum cleaner or a long-bristle brush to avoid damage to the coil fins.

Air Filters

Remove and clean the air filters once a month.

NOTE: If air filters show signs of excessive wear or are torn, they must be replaced. Contact your local dealer for replacement filters.

1. Open front panel on unit.
2. Pull filters down to remove.
3. Vacuum filters.
4. Clean with warm water.
5. Shake filter to remove excess water and dry thoroughly.
6. Replace filter by sliding into rack until filter snaps in place.
7. Close front panel on unit.

CAUTION

EQUIPMENT DAMAGE HAZARD

Failure to follow this caution may result in equipment damage. When cleaning the front panel, do not use water hotter than 105°F (40.6°C) and do not pour water onto the fan coil. Do not use abrasive or petroleum based cleaners as they may damage the front panel.

Indoor Unit Front Panel

To clean the front panel on the indoor unit, wipe the outside with a soft, dry cloth.

Preparing for Extended Shutdown Period

Clean the filters and reposition them in the unit. Operate the unit in Fan only mode for 12 hours to dry all internal parts. Turn main power supply off and remove batteries from the remote control.

System Operation Recommendations

The items outlined in the following list help to assure proper system operation:

• Replace both remote control batteries at the same time.
• Point the remote control toward the unit display panel when transmitting a command.
• Keep doors and windows closed while unit is operating.
• Contact an authorized service representative if a problem arises that cannot be easily resolved.
• Do not perform cleaning or maintenance activities while the unit is on.
• Keep the display panel on the unit away from direct sunlight and heat as this may interfere with remote control transmissions.
• Do not block air intakes and outlets on the indoor or outdoor units.

Energy Saving Recommendations

The following recommendations will add greater efficiency to the ductless system:

• Select a comfortable thermostat setting and leave it at chosen setting. Avoid continually raising and lowering the setting.
• Keep the filter clean. Frequent cleaning may be necessary depending on indoor air quality.
• Use drapes, curtains or shades to keep direct sunlight from heating the room on very hot days.
• Limit the unit's run time by using the TIMER function.
• Do not obstruct the air intake on the front panel.
• Turn on the air conditioning unit before the indoor air becomes too uncomfortable.

Troubleshooting

Refer to Table 2 before contacting your local dealer.

Table 1 - Periodic Maintenance

* Increase frequency in dusty zones. † Maintenance to be carried out by qualified service personnel. Refer to the Installation Manual

Table 2 - Troubleshooting

* Diagnostic lights are a combination of lights that will illuminate in the display area on the unit. They are a combination of the lights you see during normal operation.