Airwell johnson DCH Series Service Manual
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Airwell johnson DCH Series Service Manual

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Indoor Units
JOSI-DCH009-N11
JOSI-DCH012-N11
JOSI-DCH018-N11
JOSI-DCH024-N11
REFRIGERANT
REFRIGERANT
R410A
SM DCH DCI 1 GB
DCH DCI Series
JSP023054
JOAU-DCY009-H11
JSP023055
JOAU-DCY012-H11
JSP023056
JOAU-DCY018-H11
JSP023057
JOAU-DCY024-H11
Outdoor Units
JSP062910
JSP062911
JSP062912
JSP062913
HEATPUMP
March- 2017

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  • Page 1 DCH DCI Series Indoor Units Outdoor Units JSP023054 JOSI-DCH009-N11 JOAU-DCY009-H11 JSP062910 JOSI-DCH012-N11 JSP023055 JOAU-DCY012-H11 JSP062911 JOSI-DCH018-N11 JSP023056 JOAU-DCY018-H11 JSP062912 JOSI-DCH024-N11 JSP023057 JOAU-DCY024-H11 JSP062913 REFRIGERANT REFRIGERANT R410A HEATPUMP SM DCH DCI 1 GB March- 2017...

  • Page 2: Table Of Contents

    CONTENTS Precaution ..............................3 Safety Precaution ........................3 Warning ............................ 3 Function ..............................6 Specification ............................. 7 Dimension ..............................11 Indoor Unit ..........................11 Outdoor Unit ........................... 14 Refrigerant Cycle Diagram ........................16 Wiring Diagram ............................17 Installation Details ..........................20 Wrench torque sheet for installation ..................

  • Page 3: Precaution

    PRECAUTION  For installation, always contact the 1. Precaution dealer or an authorized service center.  1.1 Safety Precaution Do not install the product on a  To prevent injury to the user or other defective installation stand.  people and property damage, the following Be sure the installation area does not instructions must be followed.
  • Page 4 PRECAUTION  the product from the window before the Do not install the product where the hurricane arrives. noise or hot air from the outdoor unit could There is risk of property damage, failure of damage the neighborhoods. product, or electric shock. It may cause a problem for your neighbors.
  • Page 5 PRECAUTION cleaning or maintaining the product. Be careful and avoid personal injury.  Replace the all batteries in the remote control with new ones of the same type. Do not mix old and new batteries or different types of batteries. There is risk of fire or explosion.

  • Page 6: Function

    FUNCTION 2. Function Model Names of Indoor/Outdoor Units Capacity Indoor units Outdoor units JOSI-DCH009-N11 JOAU-DCY009-H11 3D Inverter JOSI-DCH012-N11 JOAU-DCY012-H11 JOSI-DCH018-N11 JOAU-DCY018-H11 JOSI-DCH024-N11 JOAU-DCY024-H11 DCH DCI Version - 1...

  • Page 7: Specification

    SPECIFICATION 3. Specification 3.1 Model: JOSI-DCH009-N11 / JOAU-DCY009-H11 MODEL INDOOR UNIT JOSI-DCH009-N11 Model Outdoor Unit AWAU-YCD009-H11 Installation Method of Pipe Flared Characteristics Units Cooling Heating Average Warm Cold Capacity 2.65 (1.0 -3.2) 2.7(0.82-3.3) Pdesign 2.65 SEER /SCOP Energy efficiency class A+++ Annual energy consumption Tbiv...
  • Page 8 SPECIFICATION 3.2 Model: JOSI-DCH012-N11 / JOAU-DCY012-H11 MODEL INDOOR UNIT JOSI-DCH012-N11 Model Outdoor Unit AWAU-YCD012-H11 Installation Method of Pipe Flared Characteristics Units Cooling Heating Average Warm Cold Capacity 3.54(1.08-4.1) 3.2(0.9-4.2) Pdesign 3.54 SEER /SCOP Energy efficiency class A+++ Annual energy consumption Tbiv Power supply V/Ph/Hz...
  • Page 9 SPECIFICATION 3.3 Model: JOSI-DCH018-N11 / JOAU-DCY018-H11 MODEL INDOOR UNIT JOSI-DCH018-N11 Model Outdoor Unit AWAU-YCD018-H11 Installation Method of Pipe Flared Characteristics Units Cooling Heating Average Warm Cold Capacity 5.0(1.8-6.1) 5.0(1.4~6.7) Pdesign SEER /SCOP Energy efficiency class A+++ Annual energy consumption 1470 1208 Tbiv Power supply...
  • Page 10 SPECIFICATION 3.4 Model: JOSI-DCH018-N11 / JOAU-DCY018-H11 MODEL INDOOR UNIT JOSI-DCH024-N11 Model Outdoor Unit AWAU-YCD024-H11 Installation Method of Pipe Flared Characteristics Units Cooling Heating Average Warm Cold Capacity 6.8(2.7-7.8) 7.3(1.6-8.7) Pdesign SEER /SCOP Energy efficiency class A+++ Annual energy consumption 1925 1730 Tbiv Power supply...

  • Page 11: Dimension

    DIMENSION 4. Dimension 4.1 Indoor Unit Model JOSI-DCH009-N11 JOSI-DCH012-N11 JOSI-DCH018-N11 1040 JOSI-DCH024-N11 DCH DCI Version - 1...
  • Page 12 DIMENSION For JOSI-DCH009-N11， For JOSI-DCH012-N11, For JOSI-DCH018-N11， Version - 1 DCH DCI...
  • Page 13 DIMENSION For JOSI-DCH024-N11, DCH DCI Version - 1...

  • Page 14: Outdoor Unit

    DIMENSION 4.2 Outdoor Unit For JOAU-DCY009-H11 ,JOAU-DCY012-H11， 779 W3 487 W1 300 D 770 W 70 W2 25 B1 61.5 A2 12 A1 Version - 1 DCH DCI...
  • Page 15 DIMENSION For JOAU-DCY018-H11, 815 W3 514 W1 333 D 800 W 70 W2 62 B1 D2 D3 20 A1 61.6 A2 For JOAU-DCY024-H11, DCH DCI Version - 1...

  • Page 16: Refrigerant Cycle Diagram

    REFRIGERANT DIAGRAM 5. Refrigerant Cycle Diagram INDOOR OUTDOOR CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE CAPILIARY TUBE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) T1 Room temp. sensor T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE 3-WAY VALVE ACCUMULATOR COOLING COMPRESSOR HEATING...

  • Page 17: Wiring Diagram

    WIRING DIAGRAM 6. Wiring Diagram 6.1 Model: JOSI-DCH009-N11, JOSI-DCH012-N11, JOSI-DCH018-N11, JOSI-DCH024- DCH DCI Version - 1...
  • Page 18 WIRING DIAGRAM 6.2 Model: JOAU-DCY009-H11, JOAU-DCY012-H11 Version - 1 DCH DCI...
  • Page 19 WIRING DIAGRAM 6.3 Model: JOAU-DCY018-H11, JOAU-DCY024-H11 DCH DCI Version - 1...

  • Page 20: Installation Details

    INSTALLATION DETAILS 7. Installation Details 7.1 Wrench torque sheet for installation Outside diameter Torque Additional tightening torque inch 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) Ф15.9 4500(459kgf.cm) 4700(479kgf.cm) Ф19 6500(663kgf.cm) 6700(683kgf.cm) 7.2 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...

  • Page 21: Pipe Length And The Elevation

    INSTALLATION DETAILS 7.3 Pipe length and the elevation The pipe length and refrigerant amount: Standard Max. Max. Additional Pipe size Model length Elevation Length refrigerant Liquid B (m) A (m) (g/m) 3/8’’ 1/4’’ JOSI-DCH009-N11+ JOAU-DCY009-H11 (Ф6.35) (Ф9.52 3/8’’ 1/4’’ JOSI-DCH012-N11+JOAU-DCY012-H11 (Ф6.35) (Ф9.52 1/4’’...

  • Page 22: Installation For The First Time

    INSTALLATION DETAILS 7.4 Installation for the first time 0.1Mpa. If the meter does not indicate - Air and moisture in the refrigerant system have 0.1Mpa after pumping 30 minutes, it should be pumped 20 minutes more. If the pressure can’t undesirable effects as below: ●...

  • Page 23: Adding The Refrigerant After Running The System For Many Years

    INSTALLATION DETAILS 5) Open the valves (Low side) on the charge set to a torque of 18N.m. and charge the system with liquid refrigerant. Be sure to check for gas leakage. 7.6 Re-installation while the indoor unit 6).When the electronic scale displays the proper need to be repaired weight (refer to the table), disconnect the charge hose from the 3-way valve’s service port...

  • Page 24: Re-Installation While The Outdoor Unit Need To Be Repaired

    INSTALLATION DETAILS 7.7 Re-installation while the outdoor unit need to be repaired 1. Evacuation for the whole system 1) Completely tighten the flare nuts of the indoor Procedure: and outdoor units, confirm that both the 2-way 1). Confirm that both the 2-way and 3-way valves and 3-way valves are set to the closed position.
  • Page 25 INSTALLATION DETAILS of the cylinder. If the refrigerant is R410A, make the cylinder bottom up to ensure liquid charge. 2). Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be careful of the liquid refrigerant).

  • Page 26: Operation Characteristics

    OPERATION CHARACTERISTICS 8. Operation Characteristics Mode Cooling operation Heating operation Drying operation Temperature Room temperature 17℃~32℃ 0℃~30℃ 10℃~32℃ (62℉~90℉) (32℉~86℉) (50℉~90℉) Outdoor temperature -15℃~50℃ (5℉~122℉) -15℃~30℃ 0℃~50℃ (5℉~86℉) (32℉~122℉) CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally.

  • Page 27: Electronic Function

    ELECTRONIC FUNCTION cancelled. 9. Electronic function 9.1 Abbreviation Dispalys ‘ ’ under deforsting operation. T1: Indoor room temperature Dispalys ‘ ’ when anti-cold air feature is T2: Coil temperature of evaporator activated under heating mode. T3: Coil temperature of condenser Dispalys ‘...

  • Page 28: Main Protection

    ELECTRONIC FUNCTION 9.3 Main Protection 9.3.8 Sensor protection at open 9.3.1 Three minutes delay at restart circuit and breaking for compressor disconnection. When there’s only one temperature sensor in Less than 1 minute delay for the 1 time start- up and 3 minutes delay for others. malfunction , the air conditioner will keep working but show the error code, in case of any 9.3.2 Temperature protection of...

  • Page 29: Operation Modes And Functions

    ELECTRONIC FUNCTION 9.4 Operation Modes and Functions 9.4.1 Fan mode ( 1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no setting temperature is displayed. (3) Indoor fan can be set to high/med/low/auto. (4) The louver operates same as in cooling mode.
  • Page 30 ELECTRONIC FUNCTION 9.4.2.4 Condenser temperature protection Decrease Hold Increase Resume 9.4.3.3 Indoor fan running rules When the compressor is on, the indoor fan can When condenser temperature temp. is more be set to high/med/low/auto/mute. than setting value, the compressor will stop. When indoor unit coil temp.
  • Page 31 ELECTRONIC FUNCTION 9.4.4 Auto-mode T1-Td+ΔT This mode can be chosen with remote controller and the setting temperature can be changed between 17° C~30° C In auto mode, the machine will choose cooling, heating or fan-only mode according to ΔT (ΔT =T1-Ts).
  • Page 32 ELECTRONIC FUNCTION When AC receives signals, such as switch on, refrigerant leakage. switch off, timer on, timer off, mode setting, fan 9.4.10 8℃ Heating (optional) speed setting, sleeping mode setting, follow me setting, it will quit the forced operation. In heating operation, the preset temperature of the air conditioner can be as lower as 8℃, which 9.4.7 Economy function keeps the room temperature steady at 8℃...
  • Page 33 ELECTRONIC FUNCTION room temperature detected from its own room unit will bring faint breeze, which will reduce the temperature sensor and setting temperature. noise to the lowest level and create a quiet and comfortable room for you. 9.4.13 Silence operation (optional) Press the “silence”...
  • Page 34 ELECTRONIC FUNCTION Reserve Reserve Reserve Reserve When the AC enter into the information enquiry status, it will display the code value in the next 25s details are as follows. Enquiry Display value Meaning Remark information T1,T2,T3,T4, -1F,-1E,-1d,-1c,- -25,-24,-23,-22,-21,-20 1. All the displaying temperature is T2B,TP,TH, 1b,-1A actual value.

  • Page 35: Troubleshooting

    TROUBLESHOOTING 10. Troubleshooting Safety Electricity power is still kept in capacitors even the power supply is shut off. Do not forget to discharge the electricity power in capacitor. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) For other models, please connect discharge resistance (approx.100Ω 40W) or soldering iron (plug) between +, - terminals of the electrolytic capacitor on the contrary side of the outdoor PCB.

  • Page 36: Indoor Unit Error Display

    TROUBLESHOOTING 10.1 Indoor Unit Error Display Operation Timer lamp Display LED STATUS lamp ☆ 1 time Indoor unit EEPROM parameter error ☆ 2 times Indoor / outdoor units communication error ☆ 4 times Indoor fan speed has been out of control Indoor room temperature sensor T1 open circuit or ☆...

  • Page 37: Trouble Shooting

    TROUBLESHOOTING 10.2 Trouble shooting 10.2.1 EEPROM parameter error diagnosis and solution(E0/F4) E0/F4 Error Code Malfunction decision Indoor or outdoor PCB main chip does not receive feedback conditions from EEPROM chip. Supposed causes Installation mistake ● PCB faulty ● Trouble shooting: Power off, then restart the unit 2 minutes later.
  • Page 38 TROUBLESHOOTING 10.2.2 Indoor / outdoor unit’s communication diagnosis and solution (E1) Error Code Malfunction decision Indoor unit does not receive the feedback from outdoor unit conditions during seconds and this condition happens four times continuously. Supposed causes Wiring mistake ● Indoor or outdoor PCB faulty ●...
  • Page 39 TROUBLESHOOTING Remark: Use a multi meter 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 and need to be replaced. DCH DCI Version - 1...
  • Page 40 TROUBLESHOOTING 10.2.3 Fan speed has been out of control diagnosis and solution(E3) E3/F5 Error Code Malfunction decision When indoor fan speed keeps too low (300RPM) for certain time, conditions the unit will stop and the LED will display the failure. Supposed causes Wiring mistake ●...
  • Page 41 TROUBLESHOOTING Index1: 1:Indoor or Outdoor DC Fan Motor(control chip is in 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 has problems and need to be replaced.
  • Page 42 TROUBLESHOOTING 10.2.4 Refrigerant Leakage Detection diagnosis and solution(EC) Error Code Malfunction decision Define the evaporator coil temp.T2 of the compressor just starts conditions running as Tcool. In the beginning 8 minutes after the compressor starts up, if T2 ＜Tcool－2℃ does not keep continuous 4 seconds and compressor running frequency higher than 50Hz does not keep continuous 3 minutes, and this situation happens 3 times, the display area will show “EC”...
  • Page 43 TROUBLESHOOTING 10.2.5 Open circuit or short circuit of temperature sensor diagnosis and solution (E5) E4/E5/F1/F2/F3 Error Code Malfunction decision If the sampling voltage is lower than 0.06V or higher than 4.94V, conditions the LED will display the failure. Supposed causes Wiring mistake ●...
  • Page 44 TROUBLESHOOTING 10.2.6 Overload current protection diagnosis and solution(F0) Error Code Malfunction decision An abnormal current rise is detected by checking the specified conditions current detection circuit. Supposed causes Power supply problems. ● System blockage ● PCB faulty ● Wiring mistake ●...
  • Page 45 TROUBLESHOOTING 10.2.7 IPM malfunction or IGBT over-strong current protection diagnosis and solution (P0) Error Code Malfunction decision When the voltage signal that IPM send to compressor drive chip is abnormal, the display LED will show “P0” and AC will turn off. conditions Supposed causes Wiring mistake...
  • Page 46 TROUBLESHOOTING 10.2.8 Over voltage or too low voltage protection diagnosis and solution (P1) Error Code Malfunction decision An abnormal voltage rise or drop is detected by checking the conditions specified voltage detection circuit. Supposed causes Power supply problems. ● System leakage or block ●...
  • Page 47 TROUBLESHOOTING 10.2.9 High temperature protection of IPM module or compressor top diagnosis and solution(P2) Error Code Malfunction decision If the sampling voltage is not 5V, the LED will display the failure. conditions Supposed causes Installation mistake ● Power supply problems. ●...
  • Page 48 TROUBLESHOOTING 10.2.10 Inverter compressor drive error diagnosis and solution (P4) Error Code Malfunction decision An abnormal inverter compressor drive is detected by a special conditions detection circuit, including communication signal detection, voltage detection, compressor rotation speed signal detection and so on. Supposed causes Wiring mistake ●...
  • Page 49 TROUBLESHOOTING Main parts check 1. Temperature sensor checking 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.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor discharge temp.(T5) sensor. Measure the resistance value of each winding by using the multi-meter.
  • Page 50 TROUBLESHOOTING Appendix 1 Temperature Sensor Resistance Value Table for T1,T2,T3,T4 (° C--K) ° C ° F K Ohm ° C ° F K Ohm ° C ° F K Ohm ° C ° F K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249...
  • Page 51 TROUBLESHOOTING Appendix 2 Temperature Sensor Resistance Value Table for T5 (° C --K) ° C ° F K Ohm ° C ° F K Ohm ° C ° F K Ohm ° C ° F K Ohm 542.7 68.66 13.59 3.702 511.9 65.62...
  • Page 52 TROUBLESHOOTING 2. Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value ASK89D53UEZ ASM135D23UFZ ATF235D22UMT Blue - Red 2.35Ω 1.75Ω 0.75Ω Blue - Black (20℃/68℉) (20℃/68℉) (20℃/68℉) Red - Blue Version - 1 DCH DCI...

  • Page 53: Exploded View And Spare Part List

    EXPLODED VIEW AND SPARE PART LIST 11. Exploded View and Spare Part List 11.1 Exploded view of model JOSI-DCH009-N11, JOSI-DCH012-N11, JOSI-DCH018- DCH DCI Version - 1...
  • Page 54 EXPLODED VIEW AND SPARE PART LIST 11.2 Spare part list of model JOSI-DCH009-N11 BOM Code Part Name Quantity 12122000A49209 Panel assembly 12122000015223 Air filter 17222000A45948 Display box assembly 17122000A22268 Display board assembly 12122000013131 Cover of electrical equipment 12122000013137 Panel frame assembly 12122000013139 Screw cap 12122000013140...
  • Page 55 EXPLODED VIEW AND SPARE PART LIST 11.3 Spare part list of model: JOSI-DCH012-N11 BOM Code Part Name Quantity 12122000A49210 Panel assembly 12122000015224 Air filter 17222000A45948 Display box assembly 17122000A22268 Display board assembly 12122000013131 Cover of electrical equipment 12122000013170 Panel frame assembly 12122000013139 Screw cap 12122000013140...
  • Page 56 EXPLODED VIEW AND SPARE PART LIST 11.4 Spare part list of model: JOSI-DCH018-N11 BOM Code Part Name Quantity 12122000A49214 Panel assembly 12100204001559 Air filter 17222000A45948 Display box assembly 17122000A22268 Display board assembly 12122000013131 Cover of electrical equipment 12122000013179 Panel frame assembly 12122000013139 Screw cap 12122000013175...
  • Page 57 EXPLODED VIEW AND SPARE PART LIST 11.5 Exploded view of model: JOSI-DCH024-N11 DCH DCI Version - 1...
  • Page 58 EXPLODED VIEW AND SPARE PART LIST 11.6 Spare part list of model: JOSI-DCH024-N11 BOM Code Part Name Quantity 12122000A49215 Panel assembly 12122000015222 Air filter 17222000A45948 Display box assembly 17122000A22268 Display board assembly 12122000013357 Cover of electrical equipment 12122000013353 Panel frame assembly 12122000013355 Screw cap 12122000013350...
  • Page 59 EXPLODED VIEW AND SPARE PART LIST 11.7 Exploded view of model JOAU-DCY009-H11, JOAU-DCY012-H11 DCH DCI Version - 1...
  • Page 60 EXPLODED VIEW AND SPARE PART LIST 11.8 Spare part list of model JOAU-DCY009-H11 BOM CODE PART NAME QUANTITY 11201007002020 Room Temperature Sensor 15822000003296 Condenser Assembly 11201007000136 Pipe temperature sensor assembly 12222000003597 Parts fn Right Side Plate 12100701000015 Big handle 12122000007150 Water Collecting Cover 12222000004427 Chassis assembly...
  • Page 61 EXPLODED VIEW AND SPARE PART LIST 11.9 Spare part list of model JOAU-DCY012-H11 BOM Code Part Name Quantity 11201007002020 Room Temperature Sensor 15822000003296 Condenser Assembly 11201007000136 Pipe temperature sensor assembly 12222000003597 Parts fn Right Side Plate 12100701000015 Big handle 12122000007150 Water Collecting Cover 12222000004427 Chassis assembly...
  • Page 62 EXPLODED VIEW AND SPARE PART LIST 11.10 Exploded view of model JOAU-DCY018-H11 Version - 1 DCH DCI...
  • Page 63 EXPLODED VIEW AND SPARE PART LIST 11.11 Spare part list of model: JOAU-DCY018-H11 BOM Code Part Name Quantity 11201007002020 Room Temperature Sensor 15822000003682 Condenser Assembly 11201007000069 Pipe temperature sensor assembly 12222000004186 Right clapboard assembly 12100701000015 Big handle 12122000007150 Water Collecting Cover 12222000000711 Chassis Assembly 12222000A02014...
  • Page 64 EXPLODED VIEW AND SPARE PART LIST 11.12 Exploded view of model: JOAU-DCY024-H11 Version - 1 DCH DCI...
  • Page 65 EXPLODED VIEW AND SPARE PART LIST 11.13 Spare part list of model: JOAU-DCY024-H11 BOM Code Part Name Quantity 12222000004782 Terminal board 12122000007150 Water Collecting Cover 15422000004833 4-way valve assembly 15500204000025 Stop valve 15500216000026 4-way Valve 12122200A00490 Air Outlet Guard 17222000A44290 Electronic control box assembly 12122000014683 Supporting Plate...
  • Page 66 SERVICE MANUAL DCH DCI Series...

This manual is also suitable for:

Johnson dci seriesJohnson josi-dch009-n11Johnson josi-dch012-n11Johnson josi-dch018-n11Johnson josi-dch024-n11Johnson joau-dcy009-h11 ... Show all

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