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tin

5.1.3 IPM Continuity Check

Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital

tester to measure the resistance between P and UVWN; UVW and N.

Digital tester

Normal resistance

value

Digital tester

Normal resistance

value

(+)Red

(-)Black

∞

(Several M

)

(+)Red

(-)Black

∞

(Several M

)

(+)Red



Page 68





Содержание ACP-09CH25AEMI/I

Страница 1: ...SERVICE MANUAL M DESIGN INVERTER SERIES 2017 SERVICE MANUAL...

Страница 2: ......

Страница 3: ...atures 9 1 Operation Modes and Functions 4 Maintenance and Disassembly 17 1 Maintenance 2 Disassembly 5 Troubleshooting 56 1 Safety Caution 2 General Troubleshooting 3 Error Diagnosis and Troubleshoot...

Страница 4: ......

Страница 5: ...Safety Precautions Contents 1 In Case of Accidents or Emergency 2 2 Pre Installation 2 3 Operation and Maintenance 2...

Страница 6: ...touch the electrostatic filter if the unit is equipped with one Do not block the inlet or outlet of air flow to the unit Do not use harsh detergents solvents or similar items to clean the unit Use a...

Страница 7: ...Specifications Contents 1 Model Reference 4 2 Electrical Wiring Diagrams 5 2 1 Indoor Unit 5 2 2 Outdoor Unit 7...

Страница 8: ...d outdoor unit model number of your purchased equipment Indoor Unit Model Outdoor Unit Model Capacity Btu Power Supply ACP 09CH25AEMI I ACP 09CH25AEMI O 9K 220 240V 50Hz 1Phase ACP 12CH35AEMI I ACP 12...

Страница 9: ...ral Controller for CAC X Y E 485 Communication Line L LIVE N NEUTRAL Heater The Electric Heating Belt of Indoor Unit T1 Indoor Room Temperature T2 Coil Temperature of Indoor Heat Exchanger Middle T3 C...

Страница 10: ...ER P1 P2 SWITCH BOARD 2 CN701 S 4 OPTIONAL 3 Applicalbe for MONO unit with Applicable for MULTI and MONOunit without 1W standby controlfeature X Y E 12V 5V HA HB OPTIONAL OPTIONAL 1W standby control f...

Страница 11: ...ing Current FAN DC FAN Direct Current FAN CT1 AC Current Detector COMP Compressor L PRO Low Pressure Switch H PRO High Pressure Switch ACP 09CH25AEMI O ACP 12CH35AEMI O ACP 18CH50AEMI O Y G Y G BROWN...

Страница 12: ...H50AEMI O ACP 24CH70AEMI O 16022000019069 OPTIONAL Applicable to the units adopting DC motor only 3 Applicable to the units adopting AC motor only H EATER 2 C N 4 C N 5 OPTIONAL CN30 BLUE CN3 YELLOW B...

Страница 13: ...11 1 4 Fan Mode 11 1 5 Cooling Mode 11 1 6 Heating Mode 12 1 7 Auto mode 12 1 8 Drying Mode 12 1 9 Forced Operation Function 12 1 10 Sleep Function 13 1 11 Auto Restart Function 13 1 12 Refrigerant Le...

Страница 14: ...13 1 17 Information Inquiry 13...

Страница 15: ...tion and the corresponding error code is displayed on the indoor unit Inverter module protection The inverter module has an automatic shutoff mechanism based on the unit s current voltage and temperat...

Страница 16: ...med parameter of temperature compensation When T1 Ts T 2 the compressor ceases operation When T1 Ts T 0 5 the compressor continues operation When the AC is operating in mute mode the compressor operat...

Страница 17: ...d ACP 18CH50AEMI I the unit enters defrosting mode according to changes in the temperature value of T3 the temperature value of T4 as well as the compressor running time For ACP 18CH50AEMI I ACP 24CH7...

Страница 18: ...ly within 3 minutes after power returns If the unit was in forced cooling mode it will run in this mode for 30 minutes and turn to auto mode with temperature set to 24 C If there is a power failure wh...

Страница 19: ...iry To enter information inquiry status complete the following procedure within ten seconds Press LED 3 times Press SWING 3 times If you are successful you will hear beeps for two seconds Use the LED...

Страница 20: ...Ambient temperature Outlet temperature of indoor coil Discharge temperature Suction temperature Targeted frequency Actual frequency IF Indoor fan speed 0 1 2 3 4 14 FF OFF Low speed Medium speed High...

Страница 21: ...Product Features Displayed code Explanation Displayed Meaning Additional Notes value A0 Reserved 0 FF 2 28 5 20 5 25 A1 0 1 2 3 4 5 6 L A U T A 5 T Page 16...

Страница 22: ...ssembly Contents 1 Maintenance 18 1 1 First Time Installation Check 18 1 2 Refrigerant Recharge 20 1 3 Re Installation 21 1 3 1 Indoor Unit 21 1 3 2 Outdoor Unit 23 2 Disassembly 25 2 1 Indoor Unit 25...

Страница 23: ...and moisture from affecting the air conditioner s performance the indoor unit as well as the pipes between the indoor and outdoor unit must be be leak tested and evacuated Leak test soap water method...

Страница 24: ...1 MPa 14 5 Psi after 30 minutes continue evacuating for an additional 20 minutes If the pressure does not achieve 0 1 MPa 14 5 Psi after 50 minutes check for leakage If the pressure successfully reac...

Страница 25: ...alve at the bottom of the cylinder 3 If the refrigerant is R410A invert the cylinder to ensure a complete liquid charge 4 Open the valve at the bottom of the cylinder and close the check valve on the...

Страница 26: ...e with the push pin of Handle Lo to the 3 way valve s gas service port 4 Open the Handle Lo valve of the manifold valve to purge air from the charge hose for 5 seconds and then close it quickly 5 Clos...

Страница 27: ...for 30 minutes a Check whether the compound meter indicates 0 1 MPa 14 5 Psi If the meter does not indicate 0 1 MPa 14 5 Psi after 30 minutes continue evacuating for an additional 20 minutes If the pr...

Страница 28: ...ves are opened 2 Connect the vacuum pump to the 3 way valve s service port 3 Evacuate the system for approximately one hour Confirm that the compound meter indicates 0 1 MPa 14 5Psi 4 Close the valve...

Страница 29: ...rd the starting weight 6 Operate the air conditioner in cooling mode 7 Open the valves Low side on the charge set and charge the system with liquid refrigerant 8 When the electronic scale displays the...

Страница 30: ...old the front panel by the tabs on the both sides and lift it see CJ_AF_ INV_001 Front Panel Tab CJ_AF_INV_001 2 Push up the bottom of an air filter and then pull it out downwards see CJ_AF_INV_002 Fi...

Страница 31: ...owards left to open it see CJ_AF_INV_003 Hook Horizontal Louver CJ_AF_INV_003 4 Bend the horizontal louver lightly by both hands to loosen the hooks then remove the horizontal louver see CJ_AF_INV_004...

Страница 32: ...CJ_AF_INV_005 1 and CJ_AF_INV_005 2 CJ_AF_INV_005 1 CJ_AF_INV_005 2 6 Disconnect the connector for display board see CJ_AF_INV_005 3 CJ_AF_INV_005 3 7 Remove the display board see CJ_AF_ INV_005 4 CJ...

Страница 33: ...n the screw caps 2 and the remove the screws see CJ_AF_ INV_006 9 Release the 4 hooks CJ_AF_INV_006 10 Release the seven hooks in the back see CJ_AF_INV_007 Hooks CJ_AF_INV_007 Note This section is fo...

Страница 34: ...tion 11 Pull out the panel frame while pushing the hook through a clearance between the panel frame and the heat exchanger see CJ_AF_INV_008 CJ_AF_INV_008 Note This section is for reference only Actua...

Страница 35: ...over of electronic box and the terminal cover see CJ_AF_ INV_009 Electronic Cover Fixing Screw CJ_AF_INV_009 2 Pull out the room temperature sensor T1 and the coil temperature sensor T2 see CJ_AF_INV_...

Страница 36: ...e to remove it CJ_AF_INV_011 2 Fixing Screw CJ_AF_INV_011 1 Electronic Box CJ_AF_INV_011 2 6 Disconnect the wires Then remove the electronic main board CJ_AF_ INV_012 Swing Motor Applicable to AC Moto...

Страница 37: ...y Procedure Illustration 7 Remove the fixing screw then remove the capacitor of fan motor see CJ_AF_ INV_013 Capacitor of Fan Motor CJ_AF_INV_013 Note This section is for reference only Actual unit ap...

Страница 38: ...ble the pipe holder located at the rear of the unit see CJ_AF_INV_014 Pipe Holder 2 Remove the screws on the evaporator located at the fixed plate see CJ_AF_ INV_015 CJ_AF_INV_014 Screws CJ_AF_INV_015...

Страница 39: ...Maintenance and Disassembly Procedure Illustration 4 Pull out the evaporator see CJ_AF_ INV_017 Evaporator CJ_AF_INV_017 Note This section is for reference only Actual unit appearance may vary Page 34...

Страница 40: ...an Procedure Illustration 1 Remove the two screws and remove the fixing board of the fan motor see CJ_AF_ INV_018 Screws CJ_AF_INV_018 2 Remove the Bearing sleeve see CJ_AF_ INV_019 CJ_AF_INV_019 3 Re...

Страница 41: ...parts refer to 1 Front panel 2 Electrical parts before disassembling step motor Procedure Illustration 1 Remove the two screws then remove the stepping motor see CJ_AF_INV_021 Stepping Motor CJ_AF_INV...

Страница 42: ...e the screws of the big handle and then remove the big handle 3 screws see CJ_BA30_INV_001 Big Handle CJ_BA30_INV_001 3 Remove the screws of the top cover and then remove the top cover 3 screws One of...

Страница 43: ...panel and then remove the front panel 7 screws see CJ_BA30_INV_003 Front Panel CJ_BA30_INV_003 5 Remove the screws of the rear net and then remove the rear net 2 screws see CJ_BA30_INV_004 CJ_BA30_INV...

Страница 44: ...rocedure Illustration 6 Remove the screws of the right panel and then remove the right panel 5 screws see CJ_BA30_INV_005 Right Panel CJ_BA30_INV_005 Note This section is for reference only Actual uni...

Страница 45: ...of the big handle and then remove the big handle 3 screws see CJ_B30_INV_001 Big Handle Top Cover CJ_B30_INV_001 3 Remove the screws of the top cover and then remove the top cover 3 screws One of the...

Страница 46: ...the front panel 8 screws see CJ_B30_INV_003 Front Panel CJ_B30_INV_003 5 Remove the screws of water collecting cover and then remove the water collecting cover 1 screw see CJ_B30_ INV_004 Water Collec...

Страница 47: ...Procedure Illustration 6 Remove the screws of the right panel and then remove the right panel 5 screws see CJ_B30_INV_005 CJ_B30_INV_005 Note This section is for reference only Actual unit appearance...

Страница 48: ...handle and then remove the big handle 3 screws see CJ_CA30_INV_001 Big Handle CJ_CA30_INV_001 Top Cover 3 Remove the screws of the top cover and then remove the top cover 3 screws One of the screws is...

Страница 49: ...e front panel 7 screws see CJ_CA30_INV_003 Front Panel CJ_CA30_INV_003 5 Remove the screws of water collecting cover and then remove the water collecting cover 1 screw see CJ_ CA30_INV_004 Water Colle...

Страница 50: ...rocedure Illustration 6 Remove the screws of the right panel and then remove the right panel 6 screws see CJ_CA30_INV_005 Right Panel CJ_CA30_INV_005 Note This section is for reference only Actual uni...

Страница 51: ...rocedure Illustration 1 Remove the nut securing the fan with a spanner see CJ_ODU_ INV_001 2 Remove the fan D cut CJ_ODU_INV_001 3 Remove the screws of the top cover 2 screws see CJ_ODU_INV_002 4 Unfi...

Страница 52: ...motor from the electronic control board see CJ_ODU_INV_004 Fan Motor CJ_ODU_INV_004 6 Remove the fixing screws of the fan motor 4 screws see CJ_ODU_INV_005 7 Remove the fan motor Fan Motor CJ_ODU_INV...

Страница 53: ...t securing the fan with a spanner see CJ_ODU_ INV_006 2 Remove the fan D cut CJ_ODU_INV_006 Hook 3 Unfix the hooks and then open the electronic control box cover 4 hooks see CJ_ODU_INV_007 CJ_ODU_INV_...

Страница 54: ...motor from the electronic control board see CJ_ODU_INV_008 Fan Motor CJ_ODU_INV_008 5 Remove the fixing screws of the fan motor 4 screws see CJ_ODU_INV_009 6 Remove the fan motor Fan Motor CJ_ODU_INV...

Страница 55: ...e connector for the compressor see CJ_ODU_INV_010 2 Pull out the two blue wires connected with the four way valve CJ_ODU_ INV_010 3 Pull out connectors of the condenser coil temp sensor T3 outdoor amb...

Страница 56: ...and discharge temp sensor T5 see CJ_ODU_INV_011 4 Disconnect the electronic expansion valve wire see Fig CJ_ODU_INV_011 5 Remove the connector for electric heaters see Fig CJ_ODU_INV_011 Reactor DR 4...

Страница 57: ...CJ_ODU_INV_012 CJ_ODU_INV_012 5 Sound blanket WARNING Recover refrigerant from the refrigerant circuit before remove the compressor Note Remove the panel plate electrical parts and fan assembly refer...

Страница 58: ...and fan assembly refer to 1 Panel plate 2 Electrical parts and 3 Fan assembly before disassembling four way valve Procedure Illustration 1 Heat up the brazed parts and then detach the the four way va...

Страница 59: ...bly refer to 1 Panel plate 2 Electrical parts and 3 Fan assembly before disassembling compressor Procedure Illustration 1 Remove the flange nut of terminal cover and remove the termianal cover see CJ_...

Страница 60: ...plate see CJ_ODU_INV_017 CJ_ODU_INV_017 Suction Pipe 4 Heat up the brazed parts and then remove the the discharge pipe and the suction pipe see CJ_ODU_INV_018 5 Lift the compressor from the base pan...

Страница 61: ...error 69 5 3 E1 Indoor and outdoor unit communication error 70 5 4 E3 F5 Fan speed is operating outside of the normal range diagnosis and solution 72 5 5 E4 E5 F1 F2 F3 Open circuit or short circuit...

Страница 62: ...P1 Over voltage or too low voltage protection diagnosis and solution 79 5 11 P2 High temperature protection of IPM module diagnosis and solution 80 5 12 P4 Inverter compressor drive error diagnosis an...

Страница 63: ...before troubleshooting Electrolytic Capacitors For other models connect discharge resistance approx 100 40W or a soldering iron plug between the positive and negative terminals of the electrolytic ca...

Страница 64: ...ted Page 76 1 ON F0 Overload current protection Page 77 2 ON F1 Outdoor ambient temperature sensor T4 open circuit or short circuit Page 74 3 ON F2 Condenser coil temperature sensor T3 is in open circ...

Страница 65: ...maintenance Problem Solution 1 Unit will not start Page 63 64 2 The power switch is on but fans will not start Page 63 64 3 The tempreture on the playboard cannot be setted Page 63 64 4 Unit is on bu...

Страница 66: ...ondenser Outdoor fan will not start Page 65 66 6 Unit runs but shortly stops Page 65 66 7 Compressor short cycles due to overload Page 65 66 8 High discharge pressure Page 65 66 9 Low discharge pressu...

Страница 67: ...x x Outdoor fan motor x x X x x x x x x Temperature sensor x x x x x T2 Sensor x x x x x x x x Additional refrigerant x x x x x x x x x Compressor x x x x x x x x IPM board x x x x x x x x x Outdoor...

Страница 68: ...defrosting frequently Unit will not start Opera tion is erratic unpredi ctable or unit is unres pons ive The tempreture on the playboa rd cannot be setted Unit is on but the wind is not cold hot Unit...

Страница 69: ...nd or screws Close all the windows and doors Bad airproof Remove the obstacles The air inlet or outlet of either unit is blocked Reconnect the power or press ON OFF button on remote control to restart...

Страница 70: ...orator indoor fan will not start Condens er Outdoor fan will not start Unit runs but shortly stops Compres sor short cycl es due to overload High discharge pressure Low discharge pressure High suction...

Страница 71: ...flow High temperature condensing medium Remove obstruction in air or water flow Insufficient condensing medium Replace compressor Broken compressor internal parts Test compressor efficiency Inefficien...

Страница 72: ...1 Temperature Sensor Check Disconnect the temperature sensor from PCB measure the resistance value with a tester Temperature Sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T...

Страница 73: ...ectrolytic capacitors discharge completely and dismount the IPM Use a digital tester to measure the resistance between P and UVWN UVW and N Digital tester Normal resistance value Digital tester Normal...

Страница 74: ...minutes later Is it still displaying the error code NO The unit is operating normally YES If the EEPROM chip is welded on main PCB replace the main PCB directly Otherwise check if the EEPROM chip plug...

Страница 75: ...restart the unit after 2 minutes Does a problem remain NO The unit is operating normally YES Measure Vs Vs is the voltage between S and N of outdoor unit Red pan S Black pan N Is the voltage moving a...

Страница 76: ...eshooting Remarks Use a multimeter to test the resistance of the reactor which does not connect with capacitor The normal value should be around zero ohm Otherwise the reactor must have malfunction Pa...

Страница 77: ...parts to prepare Wiring mistake Faulty fan assembly y faulty Faulty fan motor Faulty PCB Troubleshooting and repair Power off then restart the unit after 2 minutes Does a problem remain NO The unit i...

Страница 78: ...Vcc 14 17 5V 5 Yellow Vsp 0 5 6V 6 Blue FG 14 17 5V 2 Outdoor DC Fan Motor control chip is in outdoor PCB Release the UVW connector Measure the resistance of U V U W V W If the resistance is not equal...

Страница 79: ...4V the LED will display the failure Recommended parts to prepare Wiring mistake Faulty sensor Faulty PCB Troubleshooting and repair Check the connection between temperature sensor and PCB Is it proper...

Страница 80: ...Faulty PCB Display board malfunction Troubleshooting and repair Power off then restart the unit 2 minutes later Is it still displaying the error code NO The unit is operating normally YES Check the w...

Страница 81: ...ay area will show EC and AC will turn off Recommended parts to prepare Faulty T2 sensor Faulty iIndoor PCB System problems such as leakage or blockages Troubleshooting and repair Power off then restar...

Страница 82: ...tion Troubleshooting and repair Check the power supply Is it in working order NO Stop the unit YES Check system for blockages Do any exist NO Clear the blockage YES Check the compressor resistance val...

Страница 83: ...or PCB Troubleshooting and repair Check the wiring between PCB and compressor Does an error exist YES Ensure proper connections or replace the wires and connectors NO Check the IPM Is it in working or...

Страница 84: ...oting and repair Check the power supply Is it in working order NO Turn off the unit YES Check the connections and wires Are they in working order NO Ensure proper connections or replace the wires YES...

Страница 85: ...module is higher than setting value the LED displays this failure code Recommended parts to prepare Faulty PCB Connection problems Troubleshooting and repair Check the fastening screws on the PCB and...

Страница 86: ...mpressor malfunction Outdoor PCB faulty Troubleshooting and repair Check the wiring between the PCB and compressor Is it improperly wired YES Ensure proper connections or replace the wires and connect...

Страница 87: ...Contents i Temperature Sensor Resistance Value Table for T1 T2 T3 and T4 C K 83 ii Temperature Sensor Resistance Value Table for TP C K 84...

Страница 88: ...8 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982 1 34 3...

Страница 89: ...8 084 115 239 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79 17...

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