Airwell ZDAA-2040-09M25 Service Manual
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Airwell ZDAA-2040-09M25 Service Manual

Airwell ZDAA-2040-09M25 Service Manual

Inverter one-two/one-three/one-four/onefive split-type air conditioner zdaa r32
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SERVICE
INVERTER ONE-TWO/ONE-THREE/ONE-FOUR/ONE-
FIVE SPLIT-TYPE AIR CONDITIONER
ZDAA R32
English Manual
ZDAA-2040-09M25
ZDAA-2050-09M25
ZDAA-3080-09M25
ZDAA-4090-09M25
ZDAA-5130-09M25
IMPORTANT NOTE:
Read this manual carefully before installing or operating your new air conditioning unit. Make sure to
save this manual for future reference.
22.AW.ZDAA.2040-5130.R32.SM.EN.09.14
manual

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Summary of Contents for Airwell ZDAA-2040-09M25

  • Page 1 SERVICE INVERTER ONE-TWO/ONE-THREE/ONE-FOUR/ONE- FIVE SPLIT-TYPE AIR CONDITIONER ZDAA R32 English Manual ZDAA-2040-09M25 ZDAA-2050-09M25 ZDAA-3080-09M25 ZDAA-4090-09M25 ZDAA-5130-09M25 IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.

  • Page 2: Table Of Contents

    CONTENTS 1. General information of Outdoor Units........2 2. Features ..................3 3. Dimensions................4 4. Refrigeration Cycle Diagram ..........5 5. Wiring diagram ...............8 6. Indoor units combination ............13 7. Sound Levels................16 8. Installation Details ...............17 8.1 Wrench torque sheet for installation ................17 8.2 Connecting the cables ....................

  • Page 3: General Information Of Outdoor Units

    General information of Outdoor Units Model name Dimension (mm) ZDAA-2040-09M25 805x330x554 ZDAA-2050-09M25 805x333x554 ZDAA-3080-09M25 890x342x673 ZDAA-4090-09M25 946x410x810 ZDAA-5130-09M25 946x410x810...

  • Page 4: Features

    Features Outdoor unit Power relay control Low noise air flow system Hydrophilic aluminum fin The hydrophilic fin can improve the heating efficiency at operation mode. 4 way valve control It is only operated in the heating operation mode except defrosting operation. Anti-rust cabinet Valve protection cover It protects the valves and prevents water from dripping.

  • Page 5: Dimensions

    Dimensions Unit：mm Model ZDAA-2040-09M25 ZDAA-2050-09M25 ZDAA-3080-09M25 ZDAA-4090-09M25 1034 ZDAA-5130-09M25 1034...

  • Page 6: Refrigeration Cycle Diagram

    Refrigeration Cycle Diagram Refrigeration circuit drawing of inverter 1 drive 2 type INDOOR OUTDOOR EXV A LIQUID VALVE A CAPILLARY EXV B LIQUID VALVE B Condenser temp. sensor HEAT HEAT EXCHANGE T4 Ambient T1 Room EXCHANGE (EVAPORATOR) temp. sensor temp. sensor (CONDENSER) T2B-A Evaporator...
  • Page 7 4.2 Refrigeration circuit drawing of inverter 1 drive 3 type INDOOR OUTDOOR EXV A LIQUID VALVE A EXV B LIQUID VALVE B CAPILLARY TUBE EXV C Condenser LIQUID VALVE C temp. sensor HEAT HEAT EXCHANGE T4 Ambient T1 Room EXCHANGE (EVAPORATOR) temp.
  • Page 8 4.4 Refrigeration circuit drawing of inverter 1 drive 5 type INDOOR OUTDOOR EXV A LIQUID VALVE A EXV B LIQUID VALVE B EXV C LIQUID VALVE C CAPILLARY TUBE EXV D Condenser LIQUID VALVE D temp. sensor EXV E LIQUID VALVE E HEAT EXCHANGE HEAT...

  • Page 9: Wiring Diagram

    Wiring diagram ZDAA-2040-09M25 ZDAA-2050-09M25 BROWN 4 -WAY CRANKCASE HEATER HE ATER BLUE CA PACI T OR BLACK W 16022300002793...
  • Page 10 Note: S(1)&S(2) are used in other type of models. They don't need to be connected in multi models.
  • Page 11 ZDAA-3080-09M25...
  • Page 12 ZDAA-4090-09M25...
  • Page 13 ZDAA-5130-09M25...

  • Page 14: Indoor Units Combination

    Indoor units combination 6.1 Indoor unit combination for ZDAA-2040-09M25 One unit Two unit 9+12 7+12 6.2 Indoor unit combination for ZDAA-2050-09M25 One unit Two unit 9+12 7+12 12+12 6.3 Indoor unit combination for DAA-3080-09M25 One unit Two unit Three unit...
  • Page 15 6.4 Indoor unit combination for ZDAA-4090-09M25 One unit Two unit Three unit Four unit 9+18 7+7+7 7+9+12 7+18+18 9+12+18 7+7+7+7 7+7+9+12 7+9+9+12 9+9+9+12 9+24 7+7+9 7+9+18 9+9+9 9+12+24 7+7+7+9 7+7+9+18 7+9+9+18 9+9+9+18 7+12 12+12 7+7+12 7+9+24 9+9+12 9+18+18 7+7+7+12 7+7+12+12 7+9+12+12 9+9+12+12 7+18 12+18 7+7+18 7+12+12...
  • Page 16 6.5 Indoor unit combination for ZDAA-5130-09M25 One Unit Two Unit Three Unit 9+18 7+7+7 7+9+18 9+9+12 12+12+12 9+24 7+7+9 7+9+24 9+9+18 12+12+18 7+12 12+12 7+7+12 7+12+12 9+9+24 12+12+24 7+18 12+18 7+7+18 7+12+18 9+12+12 12+18+18 7+24 12+24 7+7+24 7+12+24 9+12+18 18+18 7+9+9 7+18+18 9+12+24...

  • Page 17: Sound Levels

    Sound Levels Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Model Noise Power dB(A) Noise level dB(A) ZDAA-2040-09M25 ZDAA-2050-09M25 ZDAA-3080-09M25 ZDAA-4090-09M25 ZDAA-5130-09M25...

  • Page 18: Installation Details

    Installation Details 8.1 Wrench torque sheet for installation Outside diameter Torque Additional tightening torque N.cm N.cm Ф6.35 1500(153kgf.cm) 1600(163kgf.cm) Ф9.52 2500(255kgf.cm) 2600(265kgf.cm) Ф12.7 3500(357kgf.cm) 3600(367kgf.cm) 8.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Rated current of appliance Nominal cross-sectional area (mm²) >3 and ≤6...

  • Page 19: Installation For The First Time

    ● When refrigerant pipe diameter is different from that of outdoor unit union (for 18K&24K indoor unit), additional transfer connector needs to be used on outdoor unit union. Indoor unit Extension pipe diameter (mm/inch) Model Pipe diameter (mm/inch) Liquid 6.35(1/4) Liquid 6.35(1/4) 7K9K12K...
  • Page 20 (Indoor unit) (Outdoor unit) (Liquid side) Two-way valve Close (Gas side) Three-way valve Close Manifold valve Compound meter Pressure gauge -0.1MPa Handle Lo Handle Hi Charge hose Charge hose Vacuum pump Vacuum pump 1) Completely tighten the flare nuts of the indoor and outdoor units, confirm that both the 2-way and 3-way valves are set to the closed position.
  • Page 21 2. Adding the refrigerant if the pipe length >5m Electronic scale Procedure: 1). Connect the charge hose to the charging cylinder, open the 2-way valve and the 3-way valve. Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder.

  • Page 22: Adding The Refrigerant After Running The System For Many Years

    8.5 Adding the refrigerant after running the system for many years Electronic scale Procedure: 1). Connect the charge hose to the 3-way service port, open the 2-way valve and the 3-way valve. Connect the charge hose to the valve at the bottom of the cylinder. If the refrigerant is R32, make the cylinder bottom up to ensure liquid charge.

  • Page 23: Re-Installation While The Indoor Unit Need To Be Repaired

    8.6 Re-installation while the indoor unit need to be repaired 1. Collecting the refrigerant into the outdoor unit Procedure 1). Confirm that both the 2-way and 3-way valves are set to the opened position Remove the valve stem caps and confirm that the valve stems are in the opened position. Be sure to use a hexagonal wrench to operate the valve stems.
  • Page 24 2. Air purging with vacuum pump (Indoor unit) (Outdoor unit) (Liquid side) Two-way valve Close (Gas side) Three-way valve Close Manifold valve Compound meter Pressure gauge -0.1MPa Handle Lo Handle Hi Charge hose Charge hose Vacuum pump Vacuum pump Procedure: 1) Completely tighten the flare nuts of the indoor and outdoor units, confirm that both the 2-way and 3-way valves are set to the closed position.

  • Page 25: Re-Installation While The Outdoor Unit Need To Be Repaired

    8.7 Re-installation while the outdoor unit need to be repaired 1. Evacuation for the whole system Procedure: 1). Confirm that both the 2-way and 3-way valves are set to the opened position. 2). Connect the vacuum pump to 3-way valve’s service port. 3).
  • Page 26 2. Refrigerant charging Procedure: 1). Connect the charge hose to the charging cylinder, open the 2-way valve and the 3-way valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder.

  • Page 27: Electronic Control Function

    Electronic control function 9.1 Abbreviation T1: Indoor ambient temperature T2: Coil temperature of indoor heat exchanger middle. T2B: Coil temperature of indoor heat exchanger outlet(This sensor is located in outdoor unit) T3: Coil temperature of outdoor heat exchanger T4: Outdoor ambient temperature T5: Compressor discharge temperature Ts: Setting temperature 9.2 Electric control working environment.
  • Page 28 9.4 Outdoor unit point check function A check switch is included on the outdoor PCB. Push SW1 to check the unit's status while running. The digital display shows the following codes each time the SW1 is pushed. For ZDAA-3080-09M25 Display Remark Number Presses...
  • Page 29 Indoor unit E evaporator temperature (T Condenser pipe temperature (T3) Outdoor ambient temperature (T4) Compressor discharge temperature (TP) The display value is between 30–129 ℃. If the temperature is lower than 30 ℃, the digital display shows “30.” If the temperature is higher than 99 ℃, the digital display shows single and double digits.
  • Page 30 Indoor unit B capacity demand code (9K: 1HP,12K: 1.2HP,18K: 1.5HP) Indoor unit C capacity demand code Indoor unit D capacity demand code Indoor unit E capacity demand code Outdoor unit amendatory capacity demand code The frequency corresponding to the total indoor units' amendatory capacity demand The frequency after the frequency limit The frequency sending to compressor control...
  • Page 31 Average value of T2 (Sum T2 value of all indoor units)/(number of indoor units in good connection) Outdoor unit fan motor state Off: 0, Super high speed:1, High speed:2, Med speed: 3, Low speed: 4, Breeze:5, Super breeze: 6 The last error or protection code 00 means no malfunction and protection F indoor unit capacity F indoor unit capacity demand code...
  • Page 32 Indoor unit A capacity Indoor unit B capacity The capacity unit is horse power. If the indoor unit is not connected, the Indoor unit C capacity digital display shows the following: “――” (9K:1HP,12K:1.2HP,18K:1.5HP) Indoor unit D capacity Indoor unit E capacity Indoor unit A capacity demand code Indoor unit B capacity demand code Norm code*HP...
  • Page 33 Bit3 Bit5=1, Bit3=1, Frequency limit caused by T3. and Bit1=1. Bit2 Frequency limit caused by T5. This means that a frequency limit Bit1 Frequency limit caused by current may be caused by T4, T3, or the Bit0 Frequency limit caused by voltage current.
  • Page 34 CoolZone5 CoolZone4 CoolZone3 CoolZone2 CoolZone1 Heating mode: HeatZone4 HeatZone3 HeatZone2 HeatZone1 9.5.5 Indoor / outdoor units communication protection If the indoor units cannot receive the feedback signal from the outdoor units for 2 minutes, or If the outdoor units cannot receive the feedback signal from any of the indoor units for 3 minutes, the unit ceases operation and displays the failure.
  • Page 35 9.5.9 Low outdoor ambient temperature protection When compressor is off, T4 is be lower than -35℃.for 10s, the AC will stop and display “LP” or “PC 0L”. When compressor is on, T4 is be lower than -40℃.for 10s, the AC will stop and display “LP” or “PC 0L”. When T4 is no lower than -32℃.for 10s, the unit will exit protection.

  • Page 36: Troubleshooting

    10. Troubleshooting 10.1 Indoor unit error code explanation: For HDMB, HDLA, CDMX, DDMX: Operation Lamp Malfunction Timer Lamp Error Code (flashes) Indoor EEPROM malfunction Communication malfunction between indoor and outdoor units Indoor fan speed has been out of control Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Refrigerant leakage detection Water level alarm...
  • Page 37 For Xtreme type, Infini type and All Easy Pro type: Running Timer Lamp Display Error Information Lamp EH 00/EH 1 time Indoor unit EEPROM parameter error 2 times EL 01 Indoor/outdoor unit communication error 3 times EH 02 Zero-crossing signal detection error The indoor fan speed is operating outside of the 4 times EH 03...
  • Page 38 Evaporator coil middle temperature sensor T2 is in 6 times EH 61 open circuit or has short circuited The outdoor fan speed is operating outside of the 12 times EC 07 normal range 9 times EH 0b Indoor PCB/Display board communication error 8 times EL 0C Refrigerant leakage detection...
  • Page 39 10.2 Outdoor unit error code explanation: For other models, Display LED STATUS Outdoor EEPROM malfunction Indoor / outdoor units communication error Communication malfunction between IPM board and outdoor main board Open or short circuit of outdoor unit temperature sensor(T3,T4.T5) Voltage protection PFC module protection Outdoor fan speed has been out of control or compressor speed has been out of control No A Indoor unit coil outlet temperature sensor or connector of sensor is defective...
  • Page 40 For ZDAA-3080-09M25, ZDAA-5130-09M25 Display LED STATUS EC 51 Outdoor EEPROM malfunction EL 01 Indoor / outdoor units communication error PC 40 Communication malfunction between IPM board and outdoor main board PC 08 Outdoor overcurrent protection Outdoor unit low AC voltage protection PC 10 Outdoor unit main control board DC bus high voltage protection PC 11...
  • Page 41 EC 50 Open or short circuit of outdoor unit temperature sensor(T3,T4.T5)
  • Page 42 10.3 Trouble shooting 10.3.1 For the indoor unit 10.3.1.1 Indoor EEPROM malfunction (IDU E0/EA/EH 00/EH 0A) EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and reprogrammed using a pulsed voltage.
  • Page 43 10.3.1.2 Indoor / outdoor units communication error(E1(IDU)/ E2(ODU)/ EL 01(IDU/ODU)) Indoor / outdoor units communication error Start: Power off , then Power on the A/C by the Breaker. (reconnect the power wire). Is it still displaying the error code? Check wiring on the outdoor and indoor terminal follow the wiring diagram.
  • Page 44 Pic 1: check the voltage of N to S (Vs), is it moving alternately between positive value and negative value? Pic 2:IPM or outdoor main PCB Operating Self-Check Pic 2: IPM or outdoor main PCB Power, Self-Check Operating...
  • Page 45 PIC3 :Main board LED when power on and unit standby. PIC 4: check point button, Press 1 time for check how many indoor units are connected...
  • Page 46 10.3.1.3 Indoor fan speed has been out of control (IDU E3/ EH 03 ) Index 1: 1: Indoor AC fan motor Power on and set the unit running in fan mode at high fan speed. After running for 15 seconds, measure the voltage of pin1 and pin2.
  • Page 47 DC motor voltage input and output For split type: Color Signal Voltage Vs/Vm 280V~380V Black White 14-17.5V Yellow 0~5.6V Blue 14-17.5V For other types: Color Signal Voltage Vs/Vm 192V~380V Black White 13.5-16.5V Yellow 0~6.5V Blue 13.5-16.5V...
  • Page 48 10.3.1.4 Open or short circuit of temperature sensor(IDU E4/E5/EH 60/EH 61) Check the connections between temperature Correct the connections. sensor and PCB. Are the connections good? Measure the resistance value of the sensor via Appendix 1 Is it normal? Replace the sensor. Replace the indoor PCB 10.3.1.5 Water-level alarm malfunction(IDU EE) Power off, then restart the unit 2 minutes...
  • Page 49 10.3.1.7 Communication error between the indoor PCB and display board(IDU Eb/EH 0b) 10.3.1.8 Inverter compressor drive malfunction(IDU P4/ PC04) The trouble shooting is same with IPM module protection. 10.3.1.9 Communication malfunction between indoor two chips (IDU FA) Shut off the power supply and turn it on 2 minutes later.
  • Page 50 Power off, then restart the unit 2 minutes later. Does a problem remain? Put your hands in front of the indoor air outlet. Is there cool air blowing out from Check the T2 sensor. indoor air outlet? Is it securely Replace the attached? indoor PCB...
  • Page 51 10.3.3 For the outdoor unit 10.3.3.1 Outdoor EEPROM malfunction(ODU E0/EC 51) EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and reprogrammed using a pulsed voltage. 10.3.3.2 Condenser coil temperature sensor T3 is in open circuit or has short circuited(EC 52) Outdoor room temperature sensor T4 is in open circuit or has short circuited(EC 53) Compressor discharge temperature sensor T5 is in open circuit or has short circuited(EC 54) Evaporator coil outlet temperature sensor T2B is in open circuit or has short circuited(EC 56)
  • Page 52 10.3.3.3 Communication malfunction between IPM board and outdoor main board(ODU E3/PC 40)
  • Page 53 10.3.3.4 Voltage protection(ODU E5) Outdoor unit low AC voltage protection(PC10) Outdoor unit main control board DC bus high voltage protection(PC11) Outdoor unit main control board DC bus high voltage protection /341 MCE error(PC12) Voltage protection Check the voltage of outdoor unit power supply, whether the voltage Check the power supply between L(L1) and N (L2) is...
  • Page 54 10.3.3.5 PFC module protection (ODU E6/PC 0F)
  • Page 55 10.3.3.6 Outdoor fan speed has been out of control or compressor speed has been out of control (ODU E8/EC 07) Over current failure of outdoor DC fan motor (ODU EC71) Power off, then restart the unit after 2 minutes. Does a problem remain? The unit is operating normally Shut off the power supply, Rotate the fan by hand.
  • Page 56 Index 1: 1. Outdoor DC fan motor(control chip is inside fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector. If the value of the voltage is not in the range showing in below table, the PCB must have problems and need to be replaced.
  • Page 57 10.3.3.7 High pressure protection (ODU P1/PC 30)(For ZDAA-4090-09M25, ZDAA-5130-09M25)
  • Page 58 10.3.3.8 Low pressure protection (ODU P2/PC 31) (ZDAA-4090-09M25, ZDAA-5130-09M25) Low pressure protection Whether the wiring between the low pressure protector and main control Connect it well board is connected well or correctly Whether the low pressure protector is broken Method: Disconnect the plug. Measure the resistance of the low pressure protector.
  • Page 59 10.3.3.9 Current protection of compressor (ODU P3/PC 08) Outdoor unit zero speed protection(ODU PC44) Compressor speed has been out of control(ODU PC46) Compressor overcurrent failure(ODU PC49)
  • Page 60 10.3.3.10 Temperature protection of compressor discharge (ODU P4/ PC 06)
  • Page 61 10.3.3.11 High temperature protection of condenser (ODU P5/ PC 0A) When outdoor pipe temperature is more than 65°C, the unit will stop, and unit runs again when outdoor pipe temperature less than 52°C. Check the connection between temperature Correct the connection High temperature protection of sensor and PCB.
  • Page 62 10.3.3.12 IPM module protection (ODU P6/PC 00) IPM module protection Check whether the voltage range Check whether the input Regulate it to correct, then of P-N on IPM module is normal? power supply is correct? check whether the system DC277-356V for 18-28KBtu/h; 208-230V, 1N, 60Hz can work normally? DC277-410V for 36-42KBtu/h...
  • Page 64 10.3.3.14 Lack phase failure of outdoor DC fan motor(EC72) Power off,then restart the unit The unit operates 2 minutes later.Is it still normally displaying the error code Check the wiring of fan motor.Are all the connections Correct the connections good? Check whether the three- phase resistance of the fan is Replace the fan motor...
  • Page 65 10.3.3.15 Outdoor compressor lack phase protection(PC43) Power off,then restart the unit The unit operates 2 minutes later.Is it still normally displaying the error code Check both ends of compressor connecting Correct the connections line .Are all the connections good? Check whether the three- phase resistance of the Replace the compressor compressor is symmetrical...
  • Page 66 10.3.3.19 Automatic correction of wiring/piping error: Press the "check switch" on the outdoor unit PCB board 5 seconds until LED display "CE", which mean this function is working, Approximately 5-10 minutes after the switch is pressed, the "CE" disappear the wiring/piping error will be corrected, and wiring/piping is properly connected. Check switch LED display...
  • Page 67 10.4 Main parts check 1. Temperature sensor checking Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature Sensors. Room temperature(T1) sensor, Indoor coil temperature(T2) sensor, Outdoor coil temperature(T3) sensor, Outdoor ambient temperature(T4) sensor, Compressor discharge temperature(T5) sensor. Measure the resistance value of each winding by using the multi-meter.
  • Page 68 Appendix 1 Temperature Sensor Resistance Value Table for T1,T2,T3,T4,T2B (℃--K) K Ohm K Ohm K Ohm K Ohm ℃ ℃ ℃ ℃ 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5000 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865 10.4736 2.03732 0.56038 84.2190...
  • Page 69 Appendix 2 Temperature Sensor Resistance Value Table for T5 (℃--K) K Ohm K Ohm K Ohm K Ohm ℃ ℃ ℃ ℃ 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392 430.5 57.37 11.79 3.296 406.7 54.89...
  • Page 70 2.Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value KSM135D23UFZ KTF235D22UMT KTF310D43UMT Blue - 1.72Ω(20℃) 0.75Ω(20℃) 0.65Ω(20℃)
  • Page 71 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...
  • Page 72 5.EXV check Disconnect the connectors. Red Brown Blue Orange Yellow White Resistance to EXV coil Color of lead wire Normal Value Red- Blue Red - Yellow About 50Ω Brown-Orange...
  • Page 73 Consult with the sales agency or manufacturer for details. ATTENTION : Le design et les données techniques sont donnés à titre indicatif et peuvent être modifiés sans préavis. AIRWELL RESIDENTIAL SAS 10,Rue du Fort de Saint Cyr, 78180 Montigny le Bretonneux - France www.airwell.com...

This manual is also suitable for:

Zdaa-2050-09m25Zdaa-3080-09m25Zdaa-4090-09m25Zdaa-5130-09m25

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