Home - Ecoer HVAC Heating And Cooling Smart Equipment
Installation Guide for ecoer models including: R410A, R410A SDi Decades Extreme Heat Pump, SDi Decades Extreme Heat Pump, Decades Extreme Heat Pump, Extreme Heat Pump, Heat Pump, Pump
SDi Decades Extreme - Ecoer HVAC Heating And Cooling Smart Equipment
File Info : application/pdf, 26 Pages, 7.37MB
DocumentDocumentSDi Decades Extreme ODU IM 1 of 26 ECOER INC. NOTE: Appearance of unit may vary. Installation must be performed in accordance with the requirements of NEC and CEC by authorized personnel only. Installation Manual SDi Decades Extreme 3/5Ton R410A Heat Pump Contents 1. Safety------------------------------------------------22. Unit Location Considerations------------------53. Position the Unit----------------------------------74. Refrigerant Line Considerations--------------95. Refrigerant Line Routing-----------------------1-1 6. Refrigerant Line Connecting------------------1--2 7. System Leak Check-------------------------------1-4 8. Evacuation-----------------------------------------1-5 9. Service Valves-------------------------------------1-610. Electrical ------------------------------------------1--7 11. System Charge Adjustment- -------------------2-212. Outdoor Unit DIP Switch Setting-------------22 13. Test Run ---------------------------------------- 23 14. Troubleshooting----------------------------------2-4 15. Wiring Diagram----------------------------------25 16. Accessories----------------------------------------2--5 All phases of this installation must comply with National, State and Local Codes. This document is customer's property and is to remain with this unit. Please return it to customer with service information upon completion of work. These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with the installation. Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser's purposes, the matter should be referred to your installing dealer or local distributor. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 2 of 26 ECOER INC. 1. Safety Intended Use The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. Please check the packaging and appliance on arrival to make sure everything is intact to ensure safe operation. If you find any damage, please contact the retailer or dealer. Please note modifications or alterations to the appliance are not allowed for your safety. Unintended use may cause hazards and loss of warranty claims. Explanation of Symbols WARNING The signal word indicates a hazard with a medium level of risk which, if not avoided, may result in death or serious injury. CAUTION The signal word indicates a hazard with a low degree of risk which, if not avoided, may result in minor or moderate injury. NOTICE The signal word indicates important information (e.g. damage to property), but not danger. Read these operating instructions carefully and attentively before using/commissioning the unit and keep them in the immediate vicinity of the installation site or unit for later use! WARNING This appliance is not intended for use by persons(including children) with reduced physical, sensory or mental capabilities, 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 appliance. WARNINGS FOR PRODUCT USE · If an abnormal situation arises (like a burning smell), immediately turn off the unit and disconnect the power. Call your dealer for instructions to avoid electric shock, fire or injury. · Do not insert fingers, rods or other objects into the air inlet or outlet. This may cause injury, since the fan may be rotating at high speeds. · Do not use flammable sprays such as hair spray, lacquer or paint near the unit. This may cause fire or combustion. · Do not store gasoline or flammable substances near air conditioner. Emitted gas may collect around the unit and cause explosion. · Do not Install your air conditioner in a wet room such as a bathroom or laundry room. Too much exposure to water can cause electrical components to short circuit. · Do not expose your body directly to cool air for a prolonged period of time. · Do not allow children to play with the air conditioner. Children must be supervised around the unit at all times. · If the air conditioner is used together with burners or other heating devices, thoroughly ventilate the room to avoid oxygen deficiency and carbon monoxide build up. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 3 of 26 ECOER INC. · In certain environments, such as kitchens, server rooms, etc., the use of specially designed airconditioning units is highly recommended. · Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a licensed professional HVAC installer or equivalent, service agency, or the gas supplier. WARNINGS FOR CLEANING AND MAINTENANCE · Turn off the device and disconnect the power before cleaning. Failure to do so can cause electrical shock. · Do not clean the air conditioner with excessive amounts of water. · Do not clean the air conditioner with combustible cleaning agents. Combustible cleaning agents can cause fire or deformation. ELECTRICAL WARNINGS · Do not share the electrical circuit with other appliances. This equipment requires a dedicated electrical circuit. · The product must be properly grounded at the time of installation, or electrical shock may occur. · For all electrical work, follow all local and national wiring standards, regulations, and the Installation Manual. Connect cables tightly, and clamp them securely to prevent external forces from damaging the terminal. Improper electrical connections can overheat and cause fire, and may also cause shock. All electrical connections must be made according to the Electrical Connection Diagram located on the panels of the indoor and outdoor units. · All wiring must be properly arranged to ensure that the control board cover can close properly. If the control board cover is not closed properly, it can lead to corrosion and cause the connection points on the terminal to heat up, catch fire, or cause electrical shock. WARNINGS FOR PRODUCT INSTALLATION · Installation must be performed by an authorized dealer or specialist. Defective installation can cause water leakage, electrical shock, or fire. · Installation must be performed according to the installation instructions. Improper installation can cause water leakage, electrical shock, or fire. (In North America, installation must be performed in accordance with the requirement of NEC and CEC by authorized personnel only.) · Contact an authorized service provider for repair or maintenance of this unit. This appliance shall be installed in accordance with national wiring regulations. · Only use the included accessories, parts, and specified parts for installation. Using non-standard parts can cause water leakage, electrical shock, fire, and can cause the unit to fail. · Install the unit in a firm location that can support the unit's weight. If the chosen location cannot support the unit's weight, or the installation is not done properly, the unit may fall and cause serious injury and damage. · Install drainage piping according to the instructions in this manual. Improper drainage may cause water damage to your home and property. · Do not install the unit in a location that may be exposed to combustible gas leaks. If combustible gas accumulates around the unit, it may cause fire. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 4 of 26 ECOER INC. · Do not turn on the power until all work has been completed. · When moving or relocating the air conditioner, consult experienced service technicians for disconnection and reinstallation of the unit. · Unit must be properly supported and secured to prevent tipping of unit. · Excessive Weight Hazard - Use two or more people when moving and installing the unit. Failure to do so can result in back or other type of injury. CAUTION · Turn off the air conditioner and disconnect the power if you are not going to use it for a long time. · Make sure that water condensation can drain unhindered from the unit. · Do not operate the air conditioner with wet hands. This may cause electric shock. · Do not use device for any other purpose than its intended use. · Do not climb onto or place objects on top of the outdoor unit. · As with any mechanical equipment, contact with sharp sheet metal edges can result in personal injury. Take care while handling this equipment and wear gloves and protective clothing. NOTICE TAKE NOTE OF FUSE SPECIFICATIONS The air conditioner's circuit board (PCB) is designed with a fuse to provide overcurrent protection. This fuse must be replaces with identical component. The specifications of the fuse are printed on the circuit board ,examples of such are T5A/250VAC and T10A/250VAC. NOTE ABOUT FLUORINATED GASSES (NOT APPLICABLE TO THE UNIT USING R290 REFRIGERANT) · This air-conditioning unit contains fluorinated greenhouse gasses. For specific information on the type of gas and the amount, please refer to the relevant label on the unit itself or the "Owner's Manual - Product Fiche " in the packaging of the outdoor unit. (European Union products only). · Installation, service, maintenance and repair of this unit must be performed by a certified technician. · Product uninstallation and recycling must be performed by a certified technician. · When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 5 of 26 ECOER INC. 2. Unit Location Considerations 2.1 Inspect Units Units are packaged for shipment to avoid damage during normal transit and handling. It is the receiving party's responsibility to inspect the equipment upon arrival. Any obvious damage to the carton box should be reported on the bill of lading and a claim should be filed with the transportation company, and the factory should be noticed. All units should be stored in the factory shipping carton with internal packaging in a dry place until installation. Carefully remove the packaging and inspect for hidden damage. Any hidden damage should be recorded and the factory should be notified. The gauge port can be used to check the refrigerant charge has been retained during shipment. 2.2 Unit Dimensions The outdoor unit can be anchored to the ground or to a wall-mounted bracket with bolt(M10). Prepare the installation base of the unit according to the dimensions below. Model Outdoor Unit Dimension W H D mm inch mm inch mm inch Mounting Dimension A B mm inch mm inch 36K 952 37-1/2 1333 52-1/2 415 16-11/32 634 24-35/36 404 15-29/32 60K 952 37-1/2 1333 52-1/2 415 16-11/32 634 24-35/36 404 15-29/32 Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 6 of 26 ECOER INC. 2.3 Location Restrictions Before installing the outdoor unit, you must choose an appropriate location. The following are standards that will help you choose an appropriate location for the unit. Proper installation locations meet the following standards: DO NOT install unit in the following locations: Near an obstacle that will block air inlets and outlets. In a location that is exposed to large amounts of dust. Near animals or plants that will be harmed by hot air discharge. Near any source of combustible gas Near a public street, crowded areas, or where noise from the unit will disturb others. CAUTION SPECIAL CONSIDERATIONS FOR EXTREME WEATHER If the unit is exposed to heavy wind: Install unit so that air outlet fan is at a 90° angle to the direction of the wind. If needed, build a barrier in front of the unit to protect it from extremely heavy winds. See Figures below. If the unit is frequently exposed to heavy rain or snow: Build a shelter above the unit to protect it from the rain or snow. Be careful not to obstruct air flow around the unit. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 7 of 26 ECOER INC. 3. Position the Unit 3.1 If you will install the unit on the ground or on a concrete mounting platform, DO THE FOLLOWING: · Mark the positions for four expansion bolts based on dimensions chart. · Pre-drill holes for expansion bolts. · Place a nut on the end of each expansion bolt. · Hammer expansion bolts into the pre-drilled holes. · Remove the nuts from expansion bolts, and place outdoor unit on bolts. · Put washer on each expansion bolt, then replace the nuts. · Using a wrench, tighten each nut until snug. WARNING When drilling into concrete, eye protection is recommended at all times. 3.2 If you will install the unit on a wall-mounted bracket, DO THE FOLLOWING: · Mark the position of bracket holes based on dimensions chart. · Pre-drill the holes for the expansion bolts. · Place a washer and nut on the end of each expansion bolt. · Thread expansion bolts through holes in mounting brackets, put mounting brackets in position, and hammer expansion bolts into the wall. · Check that the mounting brackets are level. CAUTION Make sure that the wall is made of solid brick, concrete, or of similarly strong material. The wall must be able to support at least four times the weight of the unit. · Carefully lift unit and place its mounting feet on brackets. · Bolt the unit firmly to the brackets. · If allowed, install the unit with rubber isolator pads o reduce vibrations and noise. 3.3 Rows of series installation: Rows of series installation The relations between H, A and L are as follows. L<H L L 1/2H 1/2H < L H A 25 cm / 9-13/16in or more 30 cm / 11-13/16in or more L>H Can not be installed Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 8 of 26 3.4 Install drain fitting(Heat pump unit only) ECOER INC. Step 1 Find out the base pan hole of outdoor unit. Seal Base pan hole of outdoor unit Step 2 · Fit the rubber seal on the end of the drain fitting that will connect to the outdoor unit · Insert the drain fitting into the hole in the base pan of the unit. The drain fitting will click in place. · Connect a drain hose extension (not included) to the drain fitting to redirect water from the unit during heating mode. NOTICE IN COLD CLIMATES In cold climates, make sure that the drain hose is as vertical as possible to ensure swift water drainage. If water drains too slowly, it can freeze in the hose and flood the unit. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 9 of 26 ECOER INC. 4. Refrigerant Line Considerations 4.1 Safety Precautions WARNING · All field piping must be completed by a licensed technician and must comply with the local and national regulations. · When the air conditioner is installed in a small room, measures must be taken to prevent the refrigerant concentration in the room from exceeding the safety limit in the event of refrigerant leakage. If the refrigerant leaks and its concentration exceeds its proper limit, hazards due to lack of oxygen may result. · When installing the refrigeration system, ensure that air, dust, moisture or foreign substances do not enter the refrigerant circuit. Contamination in the system may cause poor operating capacity, high pressure in the refrigeration cycle, explosion or injury. · Ventilate the area immediately if there is refrigerant leakage during the installation. Leaked refrigerant gas is both toxic and flammable. Ensure there is no refrigerant leakage after completing the installation work. 4.2 Refrigerant Line Limits Ensure that the length of the refrigerant pipe, the number of bends, and the drop height between the indoor and outdoor units meets the requirements shown in the following table: The Maximum Length And Drop Height Based on Models. (Unit: m/ft.) Type of model Capacity (Btu/h) Length of Maximum piping drop height North America, Australia 36K and the EU frequency conversion Split Type. 60K 65/213 65/213 30/98.4 30/98.4 CAUTION Oil traps If oil flows back into the outdoor unit's compressor, this might cause liquid compression or deterioration of oil return. Oil traps in the rising gas piping can prevent this. An oil trap should be installed every 10m(32.8ft) of vertical suction line riser (36000Btu/h unit). Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 10 of 26 ECOER INC. Name Connecting pipe assembly Shape Liquid side Gas side Quantity(PC) 9. 52( 3/ 8in) 19( 3/ 4in) 22( 7/ 8in) The correct connecting pipes are included with your equipment. Air Handler Unit Air Handler Unit Model Connection(in.flare) 36K Liquid 3/8 Gas 3/4 60K Liquid 3/8 Gas 7/8 Adapter Required at Air Handler Unit (in.flare to braze) 3/8flare3/8braze 3/4flare3/4braze 3/8flare3/8braze 7/8flare7/8braze Outdoor Model 36K 60K Outdoor Unit Connection (in. flare) Liquid 3/8 Gas 3/4 Liquid 3/8 Gas 7/8 Adapter Required at Outdoor Unit (in. flare to flare or braze) 3/8flare3/8braze 3/4flare3/4braze 3/8flare3/8braze 7/8flare7/8braze 4.3 Refrigerant Line Insulation The suction line must always be insulated. Liquid line DO NOT allow the suction line and liquid line to come in direct (metal to metal) contact. Suction line Insulation 4.4 Reuse Existing Refrigerant Lines CAUTION If using existing refrigerant lines, make sure that all joints are brazed, not soldered. For retrofit applications where the existing refrigerant lines will be used, the following precautions should be taken: · Ensure that the refrigerant lines are the correct size. It's not recommended to use suction line bigger than standard size, in which will result poor oil return for inverter compressor. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 11 of 26 ECOER INC. · Ensure that the refrigerant lines are free of leaks, acid and mineral oil. When replacing R-22 system with a new R-410A system, be sure the existing lines can endure R-410A pressure which is 50~70% higher than R-22 system. Use flush (e.g. Rx11) to remove the old mineral oil, sludge, moisture, acid and other contaminants out of the line set. IMPORTANT: The manufacturer recommends installing only approved matched indoor and outdoor systems. All of the manufacturer's split systems are AHRI rated with TXV indoor units. Some of the benefits of installing approved matched indoor and outdoor split systems are maximum efficiency, optimum performance and the best overall system reliability. 5. Refrigerant Line Routing Comply with National, State, and Local Codes when isolating line sets from joists, rafters, walls, or other structural elements. Take precautions to prevent noise within the building structure due to vibration transmission from the refrigerant lines. For Example: · Use isolation type hangers when the refrigerant lines have to be fastened to floor joists or other framing. · Isolation hangers should also be used when refrigerant lines traverse stud spaces or enclosed ceilings. · Where the refrigerant lines pass through a wall or sill, it should be insulated and isolated. · Isolate the lines from all ductwork. · Minimize the number of 90º turns. 8 Feet Maximum Isolator Joist/Rafter Line Set Side View 8 Feet Maximum Secure suction line from joists using isolators every 8 ft. Secure liquid line directly to insulated suction line using tape, wire, or other appropriate method every 8 ft. 8 Feet Maximum Isolator Wall Line Set Side View 8 Feet Maximum Secure suction line using isolators every 8 ft. Secure liquid line directly to insulated suction line using tape, wire, or other appropriate method every 8 ft. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 12 of 26 ECOER INC. Sealant Wall Insulation Suction line Isolator Ductwork Line Set 6. Refrigerant Line Connecting CAUTION · The branching pipe must be installed horizontally. An angle of more than 10° may cause malfunction. · DO NOT install the connecting pipe until both indoor and outdoor units have been installed. · Insulate both the gas and liquid piping to prevent condensation. Step 1: Cut pipes When preparing refrigerant pipes, take extra care to cut and flare them properly. This will ensure efficient operation and minimize the need for future maintenance. · Measure the distance between the indoor and outdoor units. · Using a pipe cutter, cut the pipe a little longer than the measured distance. · Make sure that the pipe is cut at a perfect 90°angle. 90° Oblique Rough Warped NOTICE DO NOT DEFORM PIPE WHILE CUTTING Be extra careful not to damage, dent, or deform the pipe while cutting. This will drastically reduce the heating. Step 2: Remove burrs Burrs can affect the air-tight seal of refrigerant piping connection. They must be completely removed. · Hold the pipe at a downward angle to prevent burrs from falling into the pipe. · Using a reamer or deburring tool, remove all burrs from the cut section of the pipe. Pipe Reamer Point down Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 13 of 26 ECOER INC. Step 3: Flare pipe ends Proper flaring is essential to achieve an airtight seal. · After removing burrs from cut pipe, seal the ends with PVC tape to prevent foreign materials from entering the pipe. · Sheath the pipe with insulating material. · Place flare nuts on both ends of pipe. Make sure they are facing in the right direction, because you can't put them on or change their direction after flaring. Flare nut Copper pipe Step 4: Connect pipes Connect the copper pipes to the indoor unit first, then connect it to the outdoor unit. You should first connect the low-pressure pipe, then the high pressure pipe. · When connecting the flare nuts, apply a thin coat of refrigeration oil to the flared ends of the pipes. · Align the center of the two pipes that you will connect. · Tighten the flare nut snugly by hand. · Using a wrench, grip the nut on the unit tubing. · While firmly gripping the nut, use a torque wrench to tighten the flare nut according to the torque values in above table. NOTICE · Remove PVC tape from ends of pipe when ready to perform flaring work. · Clamp flare from on the end of the pipe. The end of the pipe must extend beyond the flare form. Use both a spanner and a torque wrench whenOuctdoononrecutninitg or disconnecting pipes Liquid side piping (Smaller diameter) to/from the unit. Flare form (Bigger Pipe · Place flaring tool onto the form. · Turn the handle of the flaring tool clockwise until the pipe is fully flared. PIPING EXTENSION BEYOND FLARE FORM Pipe gauge 9.52 (3/8'') 19 (3/4'') 22 (7/8'') Tightening torque 32-39N.m (320-390kgf.cm) 67-101N.m (670-1010kgf.cm) 85-110N.m (850-1100kgf.cm) Flare dimension(A) (Unit:mm/lnch) Min. Max. 13.2/0.52 13.5/0.53 23.2/0.91 23.7/0.93 26.4/1.04 26.9/1.06 Flare shape · Remove the flaring tool and flare form, then inspect the end of the pipe for cracks and even flaring. Torque wrench CAUTION Ensure to wrap insulation around the piping. Direct contact with the bare piping may result in burns or frostbite. · Make sure the pipe is properly connected. Over tightening may damage the bell mouth and under tightening may lead to leakage. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 14 of 26 ECOER INC. NOTICE MINIMUM BEND RADIUS Carefully bend the tubing in the middle according to the diagram below. DO NOT bend the tubing more than 90° or more than 3 times. Use care when bending pipe, do not kink pipe. Use appropriate tool NOTICE DO NOT intertwine signal cable with other wires. While bundling these items together. DO NOT intertwine or cross the signal cable with any other wiring. min-radius 10cm(3.9'' ) · After connecting the copper pipes to the indoor unit, wrap the power cable, signal cable and the piping together with binding tape. 7. System Leak Check Leak check is required for the brazed line connections. 1. Pressurize the brazed refrigerant lines and indoor coil to at least 450 PSIG using dry nitrogen. 2. Wait for 10 minutes without a drop in pressure. 3. Check for leaks by using a soapy solution or bubbles at each brazed location. 450PSIG Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 15 of 26 ECOER INC. 8. Evacuation NOTICE When opening valve stems, turn the hexagonal wrench until it hits against the stopper. Do not try to force the valve to open further. open valves slowly until your hear refrigerant, allow pressure to equalize before opening fully. Open large vapor line valve first. 8.1 Preparations and precautions Air and foreign matter in the refrigerant circuit can cause abnormal rises in pressure, which can damage the air conditioner, reduce its efficiency, and cause injury. Use a vacuum pump and manifold gauge to evacuate the refrigerant circuit, removing any non-condensable gas and moisture from the system. Evacuation should be performed upon initial installation and when unit is relocated. BEFORE PERFORMING EVACUATION: · Check to make sure the connective pipes between the indoor and outdoor units are connected properly. · Check to make sure all wiring is connected properly. 8.2 Evacuation Instructions 1. Connect the charge hose of the manifold gauge to service port on the outdoor unit's low pressure valve. 2. Connect another charge hose from the manifold gauge to the vacuum pump. 3. Open the Low Pressure side of the manifold gauge. Keep the High Pressure side closed. 4. Tighten refrigerant valve caps hand tight plus flat to ensure there are no vacuum leaks. 5. Turn on the vacuum pump to evacuate the system. 6. Run the vacuum for at least 15 minutes, or until the Compound Meter reads -76cmHG(-105Pa) or 500 microns. 7. Close the Low Pressure side of the manifold gauge, and turn off the vacuum pump. 8. Wait for 5 minutes, then check that there has been no change in system pressure. 9. If there is a change in system pressure, refer to Gas Leak Check section for information on how to check for leaks. If there is no change in system pressure, unscrew the cap from the packed valve (high pressure valve). 10. Insert hexagonal wrench into the packed valve (high pressure valve) and open the valve by turning the wrench in a 1/4 counterclockwise turn. Listen for gas to exit the system, then close the valve after 5 seconds. 11. Watch the Pressure Gauge for one minute to make sure that there is no change in pressure. The Pressure Gauge should read slightly higher than atmospheric pressure. 12. Remove the charge hose from the service port. 13. Using hexagonal wrench, fully open both the high pressure and low pressure valves. 14. Tighten all valve caps hand tight plus one flat to ensure no leaks. You may tighten it further using a torque wrench if needed. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM Outdoor unit 16 of 26 ECOER INC. Manifold Gauge -76cmHg Compound gauge Pressure gauge Low pressure valve Pressure hose or Charge hose High pressure valve Charge hose L ow pressure valve Vacuum pump Flare nut valve body valve stem Cap 9. Service Valves Leak check and evacuation must be completed before opening the service valves. The gas service valve must be opened BEFORE opening the Liquid Service Valve! 1. Remove service valve cap. 2. Fully insert hex wrench into the stem and counterclockwise until valve stem just touches the rolled edge (approximately five turns.) 3. Replace and tighten the valve stem cap to prevent leaks. Additional 1/6 turn may be required. Repeat 1 to 3 for Liquid Service Valve. WARNING Extreme caution should be exercised when opening the Liquid Service Valve. Turn counterclockwise until the valve stem just touches the rolled edge. No torque is required. Failure to follow this will result in abrupt release of system charge and may lead to personal injury and /or property damage. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 17 of 26 ECOER INC. 10. Electrical WIRING PRECAUTION WARNING BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE WARNINGS. · All wiring must comply with local and national electrical codes, regulations and must be installed by a licensed electrician. · All electrical connections must be made according to the Electrical Connection Diagram located on the panels of the indoor and outdoor units. · If there is a serious safety issue with the power supply, stop work immediately. Explain your reasoning to the client, and refuse to install the unit until the safety issue is properly resolved. · Power voltage should be within 90-110% of rated voltage. Insufficient power supply can cause malfunction, electrical shock, or fire. · Installation of an external surge suppressor at the outdoor disconnect is recommended. · Power must be connected, a switch or circult breaker that disconnects all poles and has contact separation of at least 1/8in (3mm) must be incorporated in the fixed wiring. The qualified technician must use an approved circuit breaker or switch. · Only connect the unit to an individual branch circuit. Do not connect another appliance to that circuit. · Make sure to properly ground the air conditioner. · Every wire must be firmly connected. Loose wiring can cause the terminal to overheat, resulting in product malfunction and possible fire. · Do not let wires touch or rest against refrigerant tubing, the compressor, or any moving parts within the unit. · To avoid getting an electric shock, never touch the electrical components soon after the power supply has been turned off. After turning off the power, always wait 10 minutes or more before you touch the electrical components. · Make sure that you do not cross your electrical wiring with your signal wiring. This may cause distortion, interference or possibly damage to circuit boards. · Connect the outdoor wires before connecting the indoor wires. WARNING BEFORE PERFORMING ANY ELECTRICAL OR WIRING WORK, TURN OFF THE MAIN POWER TO THE SYSTEM. 10.1 Power wring WARNING Before performing any electrical or wiring work, turn off the main power to the system. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 18 of 26 ECOER INC. Step 1: Prepare the cable for connection. 1. You must first choose the right cable size. 2. Using wire strippers, strip the jacket from both ends of the signal cable to reveal approximately 15cm (5.9") of wire. 3. Strip the Stranded wire requires u-lugs or ring terminals to be crimped onto the ends of the wire. 4. insulation from the ends. CLASS 2 BWD R C Y1 Y2 L Outdoor Unit B OPTIONAL L1 L2 TO P O W E R SOURCE NOTICE 1. Clamp down the cable with the cable clamp. · When connecting the wires, strictly follow the wiring diagram found inside the electrical box cover. · Choose the cable type according to the local electrical switches and regulations. · Please choose the right cable size according to the Minimum Circuit Ampacity indicated on the nameplate of the unit. Step 2: Remove the electric cover. Remove the electric cover of the outdoor unit. 2. Insulate unused wires with electrical tape. Keep them away from any electrical or metal parts. 3. Reinstall the cover of the electric control box. In North America 1.Remove the wire cover from the unit by loosening the 3 screws. 2. Remove caps on the conduit panel. 3. Mount the conduit tubes(not included) on the caonduit panel. 4. Properly connect both the power supply and low voltage lines to the corresponding terminals on the terminal block. 5. Ground the unit in accordance with local codes. 6. Be sure to size each wire allowing several inches longer than the required length for wiring. Terminal block Step 3: Connect the u-lugs to the terminals. Match the wire colors/labels with the labels on the terminal block. Firmly screw the u-lug of each wire to its corresponding terminal. L1 L2 CLASS 2 BWD R C Y1 Y2 L Outdoor Unit A TO P O W E R SOURCE Connecting cable G Power supply cord Conduit panel Wire Cover Please select the appropriate through-hole according to the diameter of the wire. WARNING Isolate the power supply leads and communication leads by the strain relif and keep power supply leads away from communication leads. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 19 of 26 ECOER INC. 10.2 Control wiring WARNING Please refer to the wiring nameplate for the wiring method. Do not connect 24V AC to S1 - S2, as this will damage the system. Connection method A: This is the preferred method of control with the communicating control, indoor and outdoor unit. Refer to the wiring method of internal and external machine communication and wired controller as follows: Connection method B: To use a 24V thermostat, you need to refer to the following wiring: 24V must never be connected to S1 S2. All wiring must be in compliance with the above scenarios. Incorrect wiring will cause irreversible damage to control. 24V connection Dip Switch setting as shown in the picture: When using a 24V thermostat, please refer to the non-communicating wiring diagrams that follow: Connection method C: To use a 24V thermostat, you need to refer to the following wiring: NOTICE This equipment uses B functionality. This terminal is energized for heating functionality. Please ensure that thermostat configuration is set up for B functionality. Note: These methods are for use with a Ecoer outdoor unit and a third party indoor unit or cased coil and gas furnace. NOTICE The use of shielded communication or thermostat wire is not required, but is recommended where separation from high voltage conductors can not be maintained, or in areas with high electrical noise. The shield and drain conductor must be grounded at the outdoor unit and stripped back and taped at the indoor unit. Grounding at both ends results in an increase of noise transmitted onto the signal wires. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 20 of 26 NOTICE The following wiring diagram are suitable for the AHU and ODU with 24V thermostat. Non-communication scheme wiring reference · Wiring for 4H and 2C thermostat ·Wiring for 3H and 2C thermostat ECOER INC. S4-1 Default onDH function off. Turn switch off to activateDH function. S4-2 Default on, W1 and W2 shorted for single stage Aux heat operation. Turn off to separate stages. S4-1 Default onDH function off. Turn switch off to activateDH function. S4-2 Default on, W1 and W2 shorted for single stage Aux heat operation. Turn off to separate stages. · Wiring for 3H and 1C thermostat ·Wiring for 2H and 2C thermostat S4-1 Default on DH function off. Turn switch off to activate DH function. S4-2 Default on, W1 and W2 shorted for single stage Aux heat operation. Turn off to separate stages · Wiring for 3H and 2C thermostat ·Wiring for 2H and 1C thermostat S4-1 Default onDH function off. Turn switch off to activateDH function. S4-2 Default on, W1 and W2 shorted for single stage Aux heat operation. Turn off to separate stages. S4-2 Default on, W1 and W2 shorted for single stage Aux heat operation. Turn off to separate stages. · Wiring for 1H and 1C thermostat ·Wiring for 1H and 1C thermostat Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 21 of 26 ECOER INC. NOTICE This is the least preferred method of control wiring and should only be used for emergency situations. Full comfort capacity may not be achieved using this method. Control logic Outdoor unit connector Connector Purpose R 24V power Connection C Common Y1 Low Cooling Y2 Heat Cooling B Heating Reversing Valve W Heating control D Defrost control L System Fault Signal LED display The control displays unit status as well as any active fault codes on the LED display. If the unit is functioning normally, the LED will display current temperature setpoint. When a fault code is active, the display will flash the active fault code. Please refer to the fault code table located in the troubleshooting section of the Service Manual for detailed fault code information. 10.3 Electrical data Cooling and Heating power specifications MODEL(Bth/h) POWER (outdoor) INPUT CIRCUIT FUSE OUTDOOR-INDOOR SIGNAL LINE THERMOSTAT SIGNAL LINE PHASE FREQUENCY AND VOLT OUTDOOR UNIT(A) MCA MOCP LINE QUANTITY LINE DIAMETER(AWG) LINE QUANTITY LINE DIAMETER(AWG) 36K 60K 1Phase 208/230V,60Hz 30 40 50 50 2 20 ---- 18 LINES GAUGE NOTICE Line Diameter Sizing per NFPA 70 (2020), Table 310.15 (B) (16) Based on type NM-B Romex wire. Other sizing options are possible. Consult NFPA 70 or Licensed Electrician for alternate sizing. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 22 of 26 ECOER INC. 11. System Charge Adjustment NOTE ON ADDING REFRIGERANT NOTICE DO NOT mix refrigerant types. Some systems require additional charging depending on pipe lengths. The standard pipe length varies according to local regulations. For example, in North America, the standard pipe length is 7.5m (25'). In other areas, the standard pipe length is 5m (16`). The refrigerant should be charged from the service port on the outdoor unit's low pressure valve. The additional refrigerant to be charged can be calculated using the following formula: Liquid Side Diameter 9.52(3/8'') R410A: (meeting device in the indoor unit) (Total pipe lengthstandard pipe length) x65g(0.69oZ)/m(ft) 12. Outdoor unit DIP Switch setting No. Dial code Features ON OFF Outdoor throttling (normally Outdoor throttling 1 SW-1 Metering device location closed single-way solenoid (normally closed single-way valve is not powered on) solenoid valve store) 2 SW-2 Communication dial code 24V communication scheme 485 communication scheme 3 SW-3 Strong cold and strong heat function The cooling/heating target pressure compensation value is valid The cooling/heating target pressure compensation value is invalid 4 SW-4 Function to be defined Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 23 of 26 ECOER INC. NOTICE The SW4 DIP switch is only for Certified service technicians to debug and use, please do not touch it. 13. Test Run CAUTION Failure to perform the test run may result in unit damage, property damage, or personal injury. 13.1 Before test run A test run must be performed after the entire system has been completely installed. Confirm the following points before performing the test: a) Indoor and outdoor units are properly installed. b) Piping and wiring are properly connected. c) No obstacles near the inlet and outlet of the unit that might cause poor performance or product malfunction. d) Refrigeration system does not leak. e) Drainage system is unimpeded and draining to a safe location. f) Heating insulation is properly installed. g) Grounding wires are properly connected. h) Length of the piping and additional refrigerant capacity have been recorded. i) Power voltage is the correct voltage for the air conditioner. 13.2 Test run instructions 1. Open both the liquid and gas service valves. 2. Turn on the main power switch and allow the unit to warm up. 3. Set the air conditioner to COOL mode. 4. For the Indoor Unit a. Double check to see if the room temperature is being registered correctly. b. Check to see that the drainage system is unimpeded and draining smoothly. c. Ensure there is no vibration or abnormal noise during operation. 5. For the Outdoor Unit a. Check to see if the refrigeration system is leaking. b. Make sure there is no vibration or abnormal noise during operation. c. Ensure the wind, noise, and water generated by the unit do not disturb your neighbors or pose a safety hazard. 6. Drainage Test a. sure the drainpipe flows smoothly. New buildings should perform this test before finishing the ceiling. b. Turn on the main power switch and run the air conditioner in COOL mode. c. Check to see that the water is discharged. It may take up to one minute before the unit begins to drain depending on the drainpipe. d. Make sure that there are no leaks in any of the piping. e. Stop the air conditioner. Turn off the main power switch and reinstall the test cover. NOTICE If the unit malfunctions or does not operate according to your expectations, please refer to the Troubleshooting section of Service Manual before calling customer service. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 24 of 26 ECOER INC. 14. Troubleshooting Error codes List for Condensing Unit Display EL01 FL14 EC50 EC51 EC52 EC53 EC54 EC55 EC56 EC57 EC07 EC71 EC72 PC00 PC02 PC06 PC08 PC0A PC0F PC0L PC10 PC11 PC12 PC30 PC31 PC40 PC42 PC43 PC44 PC45 PC46 PC49 PCA1 PH90 PH91 LC06 Malfunction & protection indication Communication malfunction between indoor and outdoor units Capability dismatch between indoor unit and outdoor unit Outdoor temp. sensor error Outdoor EEPROM error Condenser coil temperature sensor (T3) malfunction Outdoor ambient temperature sensor (T4 ) malfunction Compressor discharge temperature sensor TP is in open circuit or has short circuited Outdoor IPM module temperature sensor malfunction Outdoor T2B sensor error Refrigerant pipe temperature sensor error Outdoor DC fan motor malfunction/fan speed out of control Over current failure of outdoor DC fan motor Lack phase failure of outdoor DC fan motor Inverter module (IPM) protection Top temperature protection of compressor Discharge temperature protection of compressor Outdoor overcurrent protection High temperature protection of condenser PFC module protection Low temperature protection of outdoor unit Outdoor unit low AC voltage protection Outdoor unit main control board DC bus high voltage protection Outdoor unit main control board DC bus high voltage protection /341 MCE error System high pressure protection System low pressure protection Communication error between outdoor main chip and compressor driven chip Compressor start failure of outdoor unit Outdoor compressor lack phase protection Outdoor unit zero speed protection Outdoor unit IR chip drive failure Compressor speed has been out of control Compressor overcurrent failure Condensation protection of refrigerant pipe High temperature protection of Evaporator Low temperature protection of Evaporator High temperature protection of Inverter module (IPM) Note : If displays DF or FC , it is a normal operation, not a malfunction. [] Applicable to some units only. Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 15. Wiring Diagram 25 of 26 ECOER INC. 16. Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or equipment failure. Accessories (Packed with the Outdoor unit) Name Shape Quantity Drain fitting 1 Gasket 1 Flare-to-braze adapter 2 Manufacturer reserves the right to change specifications or designs without notice. Feb 2023 SDi Decades Extreme ODU IM 26 of 26 ECOER INC. ©2022 ECOER INC. 43671 Trade Center Place, Suite 100 Dulles, VA 20166 Tel: 703-348-2538 www.ecoer.com Manufacturer reserves the right to change specifications or designs without notice. Feb 2023