TGM GWHART09SA2 Service Manual
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TGM GWHART09SA2 Service Manual

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Summary of Contents for TGM GWHART09SA2

  • Page 1 Service Manual...

  • Page 2: Table Of Contents

    Table of Contents Service Manual Part Ⅰ : Technical Information ........1 1. Summary ................. 1 2. Specifications ............... 3 2.1 Specification Sheet ................... 3 2.2 Capacity Variation Ratio According to Temperature ......17 2.3 Cooling and Heating Data Sheet in Rated Frequency ......20 3.
  • Page 3 Table of Contents Service Manual 8.7 Vacuum Pumping and Leak Detection ..........65 8.8 Check after Installation and Test Operation ......... 65 9. Maintenance ..............66 9.1 Error Code List ..................66 9.2 Procedure of Troubleshooting ............... 71 9.3 Troubleshooting for Normal Malfunction ..........83 10.

  • Page 4: Part Ⅰ : Technical Information

    1. Summary Service Manual Indoor Unit: GWHART09SA2 GWART09S2 GWHART09S2 GWART12SA2 GWHART12SA2 GWART12S2 GWHART12S2 GWART18S2 GWHART18S2 GWART24S2 GWHART24S2 GWART36S3 GWHART36S3 Outdoor Unit: GRHART09ASA2 GRART09AS2 GRART18AS2 GRHART18AS2 GRHART09AS2 GRART12ASA2 GRHART12ASA2 GRART12AS2 GRHART12AS2 GRART24AS2 GRHART24AS2 GRART36AS3 GRHART36AS3 Technical Information...
  • Page 5 CB464N06500_116777 GRART24AS2 CB464W06500_116777 GRART24AS2 GWART36S3 CB434026100_116777 GWART36S3 CB434N26100_116777 GRART36AS3 CB432W30900_116777 GRART36AS3 GWHART09SA2 CB464007300_116777 GWHART09SA2 CB464N07300_116777 GRHART09ASA2 CB444W15300_116777 GRHART09ASA2 GWHART09S2 CB464007000_116777 GWHART09S2 CB464N07000_116777 GRHART09AS2 CB464W07000_116777 GRHART09AS2 GWHART12SA2 CB464008700_116777 GWHART12SA2 CB464N08700_116777 GRHART12ASA2 CB464W08700_116777 GRHART12ASA2 GWHART12S2 CB464008500_116777 GWHART12S2 CB464N08500_116777 GRHART12AS2 CB464W08500_116777 YAP1FF GRHART12AS2...

  • Page 6: Specifications

    2. Specifications Service Manual 2.1 Specification Sheet GWHART09SA2 Model GRHART09ASA2 Product Code CB464007300_116777 Rated Voltage Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity Btu/h 9100 Heating Capacity Btu/h 10000 Cooling Power Input Heating Power Input Cooling Power Current 9.24...
  • Page 7 2. Specifications Service Manual Outdoor Unit Model GRHART09ASA2 Outdoor Unit Product Code CB444W15300_116777 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-N075zC170A Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 11.20 Compressor Power Input Compressor Overload Protector Throttling Method Capillary Set Temperature Range ºF...
  • Page 8 2. Specifications Service Manual GWART09S2 GWHART09S2 Model GRART09AS2 GRHART09AS2 Product Code CB464006900_116777 CB464007000_116777 Rated Voltage 208/230 208/230 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity Btu/h 9100 9100 Heating Capacity Btu/h 10500 Cooling Power Input Heating Power Input Cooling Power Current 3.45 3.45...
  • Page 9 2. Specifications Service Manual Outdoor Unit Model GRART09AS2 GRHART09AS2 Outdoor Unit Product Code CB464W06900_116777 CB464W07000_116777 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO., LTD CO., LTD Compressor Model QXF-A082zC170 QXF-A082zC170 Compressor Oil ZE-G;ES RB68GX or equivalent ZE-G;ES RB68GX or equivalent Compressor Type Rotary Rotary...
  • Page 10 2. Specifications Service Manual GWART12SA2 GWART12S2 Model GRART12ASA2 GRART12AS2 Product Code CB464008600_116777 CB464008800_116777 Rated Voltage 208/230 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity Btu/h 12000 12000 Heating Capacity Btu/h Cooling Power Input 1062 1062 Heating Power Input Cooling Power Current 11.5 Heating Power Current...
  • Page 11 2. Specifications Service Manual Outdoor Unit Model GRART12ASA2 GRART12AS2 Outdoor Unit Product Code CB464W08600_116777 CB464W08800_116777 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO.,LTD CO.,LTD Compressor Model FTz-AN108ACBD FTz-AN108ACBD Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA.
  • Page 12 2. Specifications Service Manual GWHART12SA2 GWHART12S2 Model GRHART12ASA2 GRHART12AS2 Product Code CB464008700_116777 CB464008500_116777 Rated Voltage 208/230 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity Btu/h 12000 12000 Heating Capacity Btu/h 12000 12000 Cooling Power Input 1062 1062 Heating Power Input Cooling Power Current...
  • Page 13 2. Specifications Service Manual Outdoor Unit Model GRHART12ASA2 GRHART12AS2 Outdoor Unit Product Code CB464W08700_116777 CB464W08500_116777 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO.,LTD CO.,LTD Compressor Model FTz-AN108ACBD FTz-AN108ACBD Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA.
  • Page 14 2. Specifications Service Manual GWHART18S2 GWART18S2 Model GRHART18AS2 GRART18AS2 Product Code CB464006700_116777 CB464006800_116777 Rated Voltage 208/230 208/230 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity Btu/h 18000 18000 Heating Capacity Btu/h 18000 Cooling Power Input 1650 1650 Heating Power Input 1550...
  • Page 15 2. Specifications Service Manual Outdoor Unit Model GRHART18AS2 GRART18AS2 Outdoor Unit Product Code CB432W29400_116777 CB432W29500_116777 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO. LTD. CO. LTD. Compressor Model QXF-M130zF170 QXF-M130zF170 Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA.
  • Page 16 2. Specifications Service Manual GWART24S2 GWHART24S2 Model GRART24AS2 GRHART24AS2 Product Code CB464006500_116777 CB464006600_116777 Rated Voltage 208/230 208/230 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity Btu/h 22000 22000 Heating Capacity Btu/h 24000 Cooling Power Input 1800 1800 Heating Power Input 1927...
  • Page 17 2. Specifications Service Manual Outdoor Unit Model GRART24AS2 GRHART24AS2 Outdoor Unit Product Code CB464W06500_116777 CB464W06600_116777 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO. LTD. CO. LTD. Compressor Model QXFS-M180zX170 QXFS-M180zX170 Compressor Oil Compressor Type Rotary Rotary Compressor LRA. 24.00 Compressor RLA 12.20 12.2...
  • Page 18 2. Specifications Service Manual GWART36S3 GWHART36S3 Model GRART36AS3 GRHART36AS3 Product Code CB434026100_116777 CB434026200_116777 Rated Voltage 208/230 208/230 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity Btu/h 33600 33600 Heating Capacity Btu/h 34600 Cooling Power Input 3200 3200 Heating Power Input 3200...
  • Page 19 2. Specifications Service Manual Outdoor Unit Model GRART36AS3 GRHART36AS3 Outdoor Unit Product Code CB432W30900_116777 CB432W31000_116777 ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSOR CO., LTD. COMPRESSOR CO., LTD. Compressor Model QXFS-D280zX070 QXFS-D280zX070 Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA.

  • Page 20: Capacity Variation Ratio According To Temperature

    2. Specifications Service Manual 2.2 Capacity Variation Ratio According to Temperature GWHART09SA2 GRHART09ASA2 Cooling Heating Conditions Conditions Indoor: DB70°F Indoor:DB80°F/WB66.9°F Outdoor: DB19.94°F/WB19.04°F Outdoor:DB95°F Indoor air flow: Super High Indoor air flow:Super High Pipe length: 24.6 ft Pipe length:24.6ft 14 23 32 41 50 59 68 77 86 95 104 118 Outdoor temp.(°F)
  • Page 21 Outdoor: DB19.94°F/WB19.04°F Outdoor:DB95°F Indoor air flow: Super High 2. Specifications Indoor air flow:Super High Pipe length: 24.6 ft Pipe length:24.6ft Service Manual 5 17 23 32 41 50 57 67 75 86 95 104 113 118 GWART12SA2 GRART12ASA2 -13 -5 0 5 10 17 20 24 32 41 43 47 53 59 64 70 75 GWHART12SA2 GRHART12ASA2 Outdoor temp.(°F)
  • Page 22 -5 0 5 10 17 20 24 32 41 43 47 53 59 64 70 75 5 17 23 32 41 50 57 67 76 86 95 104 113 118 2. Specifications Outdoor temp.(°F) Outdoor temp.(°F) Service Manual GWART24S2 GRART24AS2 GWHART24S2 GRHART24AS2 Cooling...

  • Page 23: Cooling And Heating Data Sheet In Rated Frequency

    2. Specifications Service Manual 2.3 Cooling and Heating Data Sheet in Rated Frequency Cooling: Rated cooling condition(°F) Pressure of gas pipe connecting Inlet and outlet pipe temperature of (DB/WB) indoor and outdoor unit heat exchanger Fan speed of Fan speed of Model indoor unit outdoor unit...

  • Page 24: Outline Dimension Diagram

    3. Outline Dimension Diagram Service Manual 3.1 Indoor Unit GWHART09SA2 GWART09S2 GWHART09S2 GWART12SA2 GWHART12SA2 GWART12S2 GWHART12S2 6 5/8 18 3/16 6 5/16 4 11/16 21 5/16 Φ2 3/16 Φ2 3/16 Φ2 3/16 Φ2 3/16 2 1/8 1 3/8 2 1/8...
  • Page 25 3. Outline Dimension Diagram Service Manual GWART36S3 GWHART36S3 53 9/64 9 61/34 13 25/32 29 3/8 Φ2 3/4 Φ2 3/4 Unit:inch 11 19/32 3 1/2 Technical Information...

  • Page 26: Outdoor Unit

    3. Outline Dimension Diagram Service Manual 3.2 Outdoor Unit GRHART09ASA2 GRART09AS2 GRHART09AS2 GRART12ASA2 GRHART12ASA2 GRART12AS2 GRHART12AS2 11 7/32 26 37/64 12 63/64 28 13/16 17 29/32 Unit:inch GRART18AS2 GRHART18AS2 34 24/64 Unit:inch 20 25/32 Technical Information...
  • Page 27 3. Outline Dimension Diagram Service Manual GRART24AS2 GRHART24AS2 13 25/64 15 53/64 37 23/32 Unit:inch 22 7/16 GRART36AS3 GRHART36AS3 36 11/32 14 17/32 16 13/16 39 3/8 Unit: inch 24 1/64 Technical Information...

  • Page 28: Refrigerant System Diagram

    4. Refrigerant System Diagram COOLING Service Manual GWHART09SA2 Indoor unit Outdoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Capillary Strainer COOLING HEATING Connection pipe specification: Liquid pipe:1/4"...
  • Page 29 4. Refrigerant System Diagram Service Manual GWART09S2 GWART12SA2 GWART12S2 GWART18S2 GWART24S2 Outdoor unit Indoor unit Indoor unit Outdoor unit Gas pipe side Gas pipe Valve side Valve Di s charge Heat exchanger Di s charge Heat (evaporator) Suction Accumlator exchanger Heat Compressor (evaporator)
  • Page 30 4. Refrigerant System Diagram Service Manual GWART36S3 Outdoor unit Indoor unit Gas pipe side Valve Di s charge Heat exchanger Heat (evaporator) Suction Accumlator exchanger Compressor (condenser) Liquid pipe side Valve Electron Strainer expansion valve COOLING GWHART36S3 Outdoor unit Indoor unit Gas pipe side Valve...

  • Page 31: Electrical Part

    Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ● Indoor Unit GWHART09SA2 GWART09S2 GWHART09S2 OPTIONAL OPTIONAL WIRED GATE CONTROLLER CONTACT RECEIVER AND...
  • Page 32 5. Electrical Part Service Manual GWART12SA2 GWHART12SA2 GWART12S2 GWHART12S2 OPTIONAL OPTIONAL WIRED CONTROLLER CONTACT RECEIVER AND DISPLAY BOARD WH(BU) DRY-C T-SENSOR DISP1 DISP2 N(N1) N(1) COM-MANUAL (DOOR-C) COM-OUT AP2: MAIN BOARD RD(BN) JUMP AC-L YEGN GN(YEGN) DC-MOTOR SWING-UD SWING-LR WIFI TERMINAL BLOCK EVAPORATOR...
  • Page 33 5. Electrical Part Service Manual GWART36S3 GWHART36S3 WARNING OPTIONAL Please don't touch any RECEIVER AND FAN MOTOR WIRED electronic component or DISPLAY BOARD CONTROLLER terminal when the machine is running,stopping or has DISPLAY been powered off for less θ θ than 3 minutes to prevent electric shock ! TERMINAL...
  • Page 34 5. Electrical Part Service Manual ● Outdoor Unit GRHART09ASA2 GRART12ASA2 GRHART12ASA2 OPTIONAL OPTIONAL OPTIONAL WARNING Bottom 4-WAY ELECTRONIC OUTTUBE OUTROOM EXHAUST Please don't touch any EXPANSION Band VALVE TEMP. TEMP. TEMP. VALVE terminal when the machine Heater SENSOR SENSOR SENSOR is running ,stopping or has been powered off for less than 30 minutes to prevent...
  • Page 35 5. Electrical Part Service Manual GRART18AS2 GRHART18AS2 WARNING OPTIONAL OPTIONAL Please don't touch any BOTTOM terminal when the machine is OUTTUBE OUTROOM EXHAUST ELECTRONIC BAND TEMP. TEMP. TEMP. EXPANSION running ,stopping or has been HEATER VALVE SENSOR SENSOR SENSOR powered off for less than 30 minutes to prevent the risk of electric shock ! WH(BU)

  • Page 36: Pcb Printed Diagram

    5. Electrical Part Service Manual 5.2 PCB Printed Diagram Indoor Unit GWHART09SA2 GWART09S2 GWHART09S2 Name Name Interface of health function UVC terminal neutral wire Neutral wire terminal WIFI terminal Motor terminal Wired controller terminal Interface of health function live Interface of display board...
  • Page 37 5. Electrical Part Service Manual GWART12SA2 GWHART12SA2 GWART12S2 GWHART12S2 GWART18S2 GWHART18S2 GWART24S2 GWHART24S2 Name Name Neutral wire Display interface Interface of health function live wire 10 WIFI interface DC fan interface Grounding wire Terminal with outdoor unit Up&down swing interface communication wire Left&right swing interface 13 Live wire interface...
  • Page 38 5. Electrical Part Service Manual GWART36S3 GWHART36S3 Name Name Neutral wire Ambient temperature sensor Live wire 12 Tube temperature sensor Fuse 13 Display board Door control 14 Jumper cap Wired controller 15 DC fan Auto button 16 Earthing wire Up&down swing 17 Communication wire Left&right swing 2 18 Live line for AC contactor...
  • Page 39 5. Electrical Part Service Manual Outdoor Unit GRHART09ASA2 GRART12ASA2 GRHART12ASA2 Name Name Three-phase terminal of compressor Terminal of communication wire Temperature sensor Neutral wire Electronic expansion valve Live wire Outdoor fan 10 Earthing wire 4-way valve Interface of reactor Electric heating of chasssis Technical Information...
  • Page 40 5. Electrical Part Service Manual GRART09AS2 GRHART09AS2 GRART12AS2 GRHART12AS2 Name Earthing wire Neutral wire, live wire and communication cable 4-way valve Electric heating belt of chasssis Outdoor fan Electronic expansion valve Overload Temperature sensor Three-phase terminal of compressor Technical Information...
  • Page 41 5. Electrical Part Service Manual GRART18AS2 GRHART18AS2 Name Name Earthing wire Fan terminal Live wire Temperature sensor Communication wire 10 Overload of compressor Neutral wire Dred power supply 4-way valve 12 Dred communication Electric heating of chasssis 13 E disk Electronic expansion valve Technical Information...
  • Page 42 5. Electrical Part Service Manual GRART24AS2 GRHART24AS2 Name Name Earthing wire Outdoor fan Live wire Temperature sensor Neutral wire Overload Communication cable 10 Three-phase terminal of compressor 4-way valve Electronic expansion valve Electric heating belt of chassis Technical Information...
  • Page 43 5. Electrical Part Service Manual GRART36AS3 GRHART36AS3 Name Name Neutral wire Terminal of high pressure protection Grounding wire Temperature sensor Live wire 10 Overload interface of compressor Communication wire Terminal of electronic expansion valve 4-way valve 12 Terminal of DRED Electric heating belt of chassis 13 E disk(Reserved) Outdoor fan...

  • Page 44: Function And Control

    6. Function and Control Service Manual 6.1 Remote Controller Introduction Buttom name and function intruduction ON/OFF MODE I FEEL T-ON T-OFF TEMP CLOCK LIGHT X-FAN SLEEP Preparation before operation sequence: When using the remote controller for the first time or after replacing the batteries, please set the time of the system according to current time in the following steps: Notes:...
  • Page 45 6. Function and Control Service Manual status. If you want to turn off the light, please press LIGHT button. (2). Switching temperature scale Press this button again to turn on the light. In unit off status, press MODE button and button simultaneously (7).

  • Page 46: Ewpe Smart App Operation Manual

    6. Function and Control Service Manual 6.2 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud Intelligent Home Wi-Fi Cellular/ home Other Wi-FI appliances Home wireless router Home Wi-Fi Operating Systems Requirement for User's smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version...

  • Page 47: Brief Description Of Modes And Functions

    6. Function and Control Service Manual 6.3 Brief Description of Modes and Functions Upon energization or availably operating the unit or remote 09/12/18/24K controller, the buzzer will give out a beep. Indoor Unit (2) Auto button ● 1. Basic function of system If press this auto button when turning off the unit, the complete (1) Cooling mode unit will operate at auto mode.
  • Page 48 6. Function and Control Service Manual (10) Refrigerant recovery function: (13) SE control mode a. Enter refrigerant recycling function The unit operates at SE status. Within 5min after energizing (unit ON or OFF status is ok), (14) X-fan mode continuously press LIGHT button for 3 times within 3s to enter When X-fan function is turned on, after turn off the unit, indoor refrigerant recycling mode;...
  • Page 49 6. Function and Control Service Manual Outdoor Unit ⑤ When Toutdoor ambient temperature ＞ 30 ℃ , compressor ● stops operation immediately. Outdoor fan will stop 30s later. ⑥ Under the condition that compressor is turned on, when unit 09/12K is changed to heating mode from cooling or drying mode, 4-way 1.
  • Page 50 6. Function and Control Service Manual (2) If T < [T ], the outdoor ambient temperature low-temperature cooling temperature temperature can be set at: 77~86ºF (Cooling at low temperature), 18/24K that is, the minimum setting temperature for outer units judgment 1.
  • Page 51 6. Function and Control Service Manual compressor stops, it will be allowed be restart after 3-minute delay At the mode of Cooling, dehumidifying: (Note: The indoor units have a function of power memory, the Evaporator frozen-preventing protection function is allowed to machine can be restarted after remote shutdown and powering up begin after 6 min of starting the compressor.
  • Page 52 6. Function and Control Service Manual 3. Reducing frequency at normal speed and power turn-off: frequency by reducing 30Hz/90s till the lower limit; After it was If [T ] ≤T < [T running 90s at the lower limit, if T heating overload frequency Cooling overload frequency reducing temperature at high speed outer pipe Cooling...
  • Page 53 6. Function and Control Service Manual 6. If the discharging temperature protection of compressor should be stopped to treat according to the module overheating continuously occurs for six times, it should not be resumed protection: The machine should be stopped or transferred to automatically, and you should press the ON/OFF button to supply air, the trouble should be cleared immediately, and the resume.
  • Page 54 6. Function and Control Service Manual If [I ]≥[I ], the compressor phase current four-way valve reversion abnormity. And then it can run if stop Phase Current Power Turn-Off Phase Current shall stop working for overcurrent protection; if [I ]≤[I the reversion abnormity protection for four-way valve 3 min;...
  • Page 55 6. Function and Control Service Manual (1) When Toutdoor amb.≤32ºF , the electric heating of chassis will operate; (2) When Toutdoor amb.>35.6ºF , the electric heating of chassis will stop operation; (3)When 32ºF <Toutdoor amb.≤35.6ºF, the electric heating of chassis will keep original status. 7.
  • Page 56 6. Function and Control Service Manual rise will not be allowed; if I ≥ 18A, the compressor will run at total reduced frequency; and if I ≥ 20A, the compressor will stop and total 1. Temperature Parameters the outdoor fan will stop with a time lag of 60s. Indoor preset temperature(Tpreset) (2) Dehumidifying Mode ①...
  • Page 57 6. Function and Control Service Manual When the compressor has operated under defrost mode for 10 implicit preset temperature is 64°F; if Tamb. ≥ Tpreset+9°F, the minutes, or Touter tube ≥ 50°F, the compressor will be converted compressor will stop, the outdoor fan will stop with a time lag of 1 to 46Hz operation.After 30 seconds, the compressor will stop.
  • Page 58 6. Function and Control Service Manual If voltage on the DC bus is below 150V or over 420V, the compressor will stop and the outdoor fan will stop with a timelag of 30 seconds. When voltage on the DC bus returns to its normal value and the compressor has stayed at stop for at least3 minutes, the compressor will resume its operation.

  • Page 59: Part Ⅱ : Installation And Maintenance

    7. Notes for Installation and Maintenance Service Manual Safety Precautions: Important! wire by yourself. 11. For the air conditioner without plug, an air switch must Please read the safety precautions carefully before installa- be installed in the circuit. The air switch should be all-pole tion and maintenance.
  • Page 60 7. Notes for Installation and Maintenance Service Manual Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. WARNINGS 1. When installing or relocating the unit, be sure to keep the If compressor starts running when stop valve is open and refrigerant circuit free from air or substances other than the connection pipe is not yet connected, air will be sucked in and specified refrigerant.
  • Page 61 7. Notes for Installation and Maintenance Service Manual Main Tools for Installation and Maintenance Level meter Measuring tape Screw driver Impact drill Drill head Electric drill Electroprobe Universal meter Inner hexagon Electronic Torque wrench Open-end wrench spanner leakage detector Vacuum pump Pressure meter Pipe pliers Pipe pliers...

  • Page 62: Installation

    8. Installation Service Manual 8.1 Installation Dimension Diagram Space to the wall At least 15cm Space to the wall At least 15cm Space to the obstruction At least 50cm Drainage pipe Installation and Maintenance...
  • Page 63 8. Installation Service Manual Installation Procedures Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install wall-mounting Install the support of outdoor unit (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor...

  • Page 64: Installation Parts-Checking

    8. Installation Service Manual 8.2 Installation Parts-checking unit. (4) Make sure that the installation follows the requirement of Name installation dimension diagram. Indoor unit (5) Select a location which is out of reach for children and far away from animals or plants.If it is unavoidable, please add fence Outdoor unit for safety purpose.
  • Page 65 8. Installation Service Manual the holes. torque wrench on the union nut. Tighten the union nut with torque (3) Fix the wall-mounting frame on the wall with tapping screws wrench. (As show in Fig.6) and then check if the frame is firmly installed by pulling the frame. (4) Wrap the indoor pipe and joint of connection pipe with If the plastic expansion particle is loose, please drill another fixing insulating pipe, and then wrap it with tape.

  • Page 66: Installation Of Outdoor Unit

    8. Installation Service Manual 7. Connect Wire of Indoor Unit Indoor and (1) Open the panel, remove the screw on the wiring cover and outdoor power cord Indoor unit then take down the cover. (As show in Fig.11) pipe Screw Panel Liquid pipe...
  • Page 67 8. Installation Service Manual 5. Connect Outdoor Electric Wire (4) For the unit with cooling capacity of 2300W~5000W, 6 (1) Remove the wire clip; connect the power connection wire and expansion screws are needed; for the unit with cooling capacity signal control wire (only for cooling and heating unit) to the wiring of 6000W~8000W, 8 expansion screws are needed;...

  • Page 68: Vacuum Pumping And Leak Detection

    8. Installation Service Manual 2. Leakage Detection (1) With leakage detector: The drain hose can't raise upwards. Check if there is leakage with leakage detector. (2) With soap water: Wall If leakage detector is not available, please use soap water for leakage detection.

  • Page 69: Maintenance

    9. Maintenance Service Manual 9.1 Error Code List Error Malfunction name AC status Possible causes code Malfunction of jumper cap The complete unit stops operation 1. Jumper cap is not installed in control panel; 2. Poor contact of jumper cap; 3.
  • Page 70 9. Maintenance Service Manual Error Malfunction name AC status Possible causes code Liquid valve temperature 1. Temperature sensor is not well connected or damaged; sensor is ON / short- 2. The wire of temperature sensor is damaged, causing short circuited circuit to copper pipe or outer casing;...
  • Page 71 9. Maintenance Service Manual Error Malfunction name AC status Possible causes code Outdoor condenser Cool/Dry: compressor and outdoor 1. Temperature sensor is not connected well or damaged; temperature sensor is fan stop operation, while indoor fan 2. Temperature sensor wire of outdoor unit is damaged; short open/short-circuited operates;...
  • Page 72 9. Maintenance Service Manual Error Malfunction name AC status Possible causes code Malfunction of zero- Compressor, outdoor fan and 1. The power is abnormal; crossing signal of indoor indoor fan stop operation. 2. Main board of indoor unit is damaged. unit Zero-crossing malfunction Cool: compressor stops...
  • Page 73 9. Maintenance Service Manual If malfunction occurs,corresponding code will display and the unit will resume normal until protection or malfunction disappears. Installation and Maintenance...

  • Page 74: Procedure Of Troubleshooting

    9. Maintenance Service Manual 9.2 Procedure of Troubleshooting 1. Troubleshooting for jumper cap Main check points: (1) jumper cap (2) control board of indoor unit Display shows “C5” Check whether the main Insert the equipped board of controller is inserted with jumper cap jumper cap.
  • Page 75 9. Maintenance Service Manual 2. Communication malfunction Main check points: (1) Connection wire between indoor unit and outdoor unit (2) Wiring inside the unit (3) Communication circuit of control board of indoor unit (4) Communication circuit of control board of outdoor unit Start Check whether the unit has operated normally before...
  • Page 76 9. Maintenance Service Manual 3. IPM protection , over-phase current of compressor Main check points: (1) compressor COMP terminal (2) power supply voltage (3) compressor (4) charging amount of refrigerant (5) air inlet and air outlet of indoor/outdoor unit NOTE:The control board as below means the control board of outdoor unit. Put through the power and turn on the unit...
  • Page 77 9. Maintenance Service Manual 4. Overload protection of compressor , high discharge temperature, protection of compressor Main check points: (1) electronic expansion valve (2) expansion valve terminal (3) charging amount of refrigerant (4) overload protector NOTE:The control board as below means the control board of outdoor unit. After the unit has been cut off the power for more than 20mins...
  • Page 78 9. Maintenance Service Manual 5.Troubleshooting for temperature sensor , , , , Main check points: (1) connection terminal (2) temperature sensor (3) main board Start Check whether the connection terminal between the temperature sensor and the control board is loose or not connected well.
  • Page 79 9. Maintenance Service Manual 6.High temperature prevention protection ; high power ; system is abnormal Main check points: (1) outdoor temperature (2) fan (3)air inlet and air outlet of indoor/outdoor unit NOTE:The control board as below means the control board of outdoor unit. Overload protection, high temperature prevention protection...
  • Page 80 9. Maintenance Service Manual 7.Desynchronization diagnosis for compressor Main check point: (1) system pressure (2) power supply voltage NOTE:The control board as below means the control board of outdoor unit. Desynchronization occurs Desynchronization occurs during operation after turning on the unit Check whether the fan Replace the fan Does the outdoor fan operate...
  • Page 81 9. Maintenance Service Manual 8.Malfunction diagnosis for failure startup Main check points: (1) compressor wire (2) compressor (3) charging amount of refrigerant NOTE:The control board as below means the control board of outdoor unit. Put through the power and turn on the unit The time for stop operation is not enough and the system's high pressure and low pressure is...
  • Page 82 9. Maintenance Service Manual 9. Charging malfunction of capacitor Main check points: (1) wiring board XT (2) reactor NOTE:The control board as below means the control board of outdoor unit. Put through the power to turn on the unit and then wait for 1min Measure the voltage at both ends of electrolytic capacitor...
  • Page 83 9. Maintenance Service Manual 10. Troubleshooting-motor(indoor fan) doesn't operate Main check points: (1) connection terminal (2) motor (3) control board AP1 of indoor unit (4) blade 10.1 DC motor Display shows "H6" Pull the blade with hand under de-energization status Check whether the Adjust the motor and the blade blade operates smoothly...
  • Page 84 9. Maintenance Service Manual 10.2 PG motor Display shows "H6" Pull the blade with hand under de- energization status Adjust the motor and Check whether the blade to make the the blade operates blade operate smoothly smoothly. Eliminate malfunction Check whether Insert the feedback the feedback terminal of terminal again...
  • Page 85 9. Maintenance Service Manual 11. AC overcurrent protection Start The normal fluctuation is about 10% of rated Eliminate malfunction The power voltage is unstable. voltage on the nameplate. The power voltage is too low and the Adjust the power voltage to make it normal. Eliminate malfunction load is too high.

  • Page 86: Troubleshooting For Normal Malfunction

    9. Maintenance Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether it's due to power failure. If yes, No power supply, or poor connection After energization, operation indicator isn't bright wait for power recovery.
  • Page 87 9. Maintenance Service Manual 4. ODU Fan Motor can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Wrong wire connection, or poor Check the wiring status according to circuit Connect wires according to wiring diagram to make connection diagram sure all wiring terminals are connected firmly Measure the capacity of fan capacitor with an Capacity of the ODU fan motor is...

  • Page 88: Exploded View And Parts List

    10. Exploded View and Parts List Service Manual 10.1 Indoor Unit GWHART09SA2 ON/OFF MODE I FEEL T-ON T-OFF TEMP CLOCK LIGHT X-FAN SLEEP The component picture is only for reference; please refer to the actual product. Description Description Front Panel...
  • Page 89 10. Exploded View and Parts List Service Manual GWART09S2 GWHART09S2 GWART12SA2 GWHART12SA2 GWART12S2 GWHART12S2 ON/OFF MODE I FEEL T-ON T-OFF TEMP CLOCK LIGHT X-FAN SLEEP The component picture is only for reference; please refer to the actual product. Description Description Description Front Panel Cold Plasma Generator...
  • Page 90 10. Exploded View and Parts List Service Manual GWART18S2 GWHART18S2 ON/OFF MODE I FEEL T-ON T-OFF TEMP CLOCK X-FAN LIGHT SLEEP The component picture is only for reference; please refer to the actual product. Description Description Description Front Panel O-Gasket of Cross Fan Bearing Electric Box Filter Sub-Assy Evaporator Support...
  • Page 91 10. Exploded View and Parts List Service Manual GWART24S2 GWHART24S2 ON/OFF MODE I FEEL T-ON T-OFF TEMP CLOCK X-FAN LIGHT SLEEP The component picture is only for reference; please refer to the actual product. Description Description Description Front Panel Evaporator Support Terminal Board Filter Sub-Assy Evaporator Assy...
  • Page 92 10. Exploded View and Parts List Service Manual GWART36S3 GWHART36S3 ON/OFF MODE I FEEL T-ON T-OFF TEMP CLOCK X-FAN LIGHT SLEEP The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 93 10. Exploded View and Parts List Service Manual NO. Description NO. Description Front Panel Fan Motor Stand Bar Pipe Clamp Filter Sub-Assy Drainage Hose Front Case Sub-assy Cover Plate Upper Guide Louver Motor Fixed Clip 1 Lower Guide Louver Stepping Motor Axile Bush Press Plate(Crank) Air Louver 2...

  • Page 94: Outdoor Unit

    10. Exploded View and Parts List Service Manual 10.2 Outdoor Unit GRHART09ASA2 The component picture is only for reference; please refer to the actual product. Description Description Description Coping Valve Support Axial Flow Fan Rear Grill 4-way valve assy Left Side Plate Condenser Assy Compressor and Fittings Electric Box Assy...
  • Page 95 10. Exploded View and Parts List Service Manual GRHART09AS2 GRHART12ASA2 GRHART12AS2 The component picture is only for reference; please refer to the actual product. Description Description Description Top Cover Assy Cable Cross Plate Cabinet Condenser Left Border Plate Valve Cover Front Grill 4-Way Valve Silencer...
  • Page 96 10. Exploded View and Parts List Service Manual GRART09AS2 GRART12ASA2 GRART12AS2 The component picture is only for reference; please refer to the actual product. Description Description Description Top Cover Assy Cable Cross Plate Cabinet Condenser Left Border Plate Valve Cover Front Grill Inhalation Tube Silencer...
  • Page 97 10. Exploded View and Parts List Service Manual GRHART18AS2 The component is only for rererence;please refer to the actual product Description Description Front Panel Assy Valve Support Block Front grill Valve Cover Front Panel Cover of Pass Wire Axial Flow Fan Sensor Insert Drainage hole Cap Temp Sensor Sleeving...
  • Page 98 10. Exploded View and Parts List Service Manual GRART18AS2 The component is only for rererence;please refer to the actual product Description Description Front Panel Assy Valve Support Block Front grill Valve Cover Front Panel Cover of Pass Wire Axial Flow Fan Sensor Insert Drainage hole Cap Temp Sensor Sleeving...
  • Page 99 10. Exploded View and Parts List Service Manual GRART24AS2 8 9 10 The component is only for rererence;please refer to the actual product Description Description Grill Exhaust Pipe Front Panel Rear Grill Axial Flow Fan Condenser Assy Chassis Sub-assy Clapboard Assy Compressor and Fittings Motor Support Electronic expansion valve parts...
  • Page 100 10. Exploded View and Parts List Service Manual GRHART24AS2 9 10 The component is only for rererence;please refer to the actual product Description Description Front Grill 4-Way Valve Assy Front Panel Condenser Assy Axial Flow Fan Clapboard Assy Chassis Sub-assy Motor Support Compressor and Fittings Brushless DC Motor...
  • Page 101 10. Exploded View and Parts List Service Manual GRART36AS3 The component picture is only for reference; please refer to the actual product. Description Description Description Front Grill Valve Support Sub Electronic Expansion Valve assy Cabinet Cut-off Valve Temperature Sensor Axial Flow Fan Back Cover Nut Condenser Assy Brushless DC Motor...
  • Page 102 10. Exploded View and Parts List Service Manual GRHART36AS3 The component picture is only for reference; please refer to the actual product. Description Description Description Front Grill Valve Support Sub Electronic Expansion Valve assy Cabinet Cut-off Valve Temperature Sensor Axial Flow Fan Back Cover Nut Condenser Assy Brushless DC Motor...

  • Page 103: Removal Procedure

    11. Removal Procedure Service Manual 11.1 Removal Procedure of Indoor Unit Caution: discharge the refrigerant completely before removal. GWHART09SA2 GWART09S2 GWHART09S2 GWART12SA2 GWHART12SA2 GWART12S2 GWHART12S2 GWART18S2 GWHART18S2 GWART24S2 GWHART24S2 Step Procedure 1.Remove filter assembly Front panel Open the front panel. Push the left filter and right filter...
  • Page 104 11. Removal Procedure Service Manual Step Procedure 4. Remove detecting plate(wifi) and electric box cover2 Electric box cover 2 Remove the screws fixing detecting plate and remove detecting plate(wifi). Remove the screws fixing electric box cover 2 and remove electric box cover 2. Detecting plate(WIFI) Screw 5.
  • Page 105 11. Removal Procedure Service Manual Step Procedure 7. Remove electric box assy Screw Clasps Loosen the connection clasps between shield cover of electric box sub-assy and electric box, and then remove the shield cover of electric box sub-assy. Remove the screw fixing electric box assy . Electric box Shield cover of electric box sub-assy...
  • Page 106 11. Removal Procedure Service Manual Step Procedure 8.Remove evaporator assy Screw Evaporator assy Remove 3 screws fixing evaporator assy. C o n n e c t i o n Screw pipe clamp At the back of the unit, remove the screw fixing connection pipe clamp and then remove the connection pipe clamp.
  • Page 107 11. Removal Procedure Service Manual Step Procedure 9. Remove motor and cross flow blade Screws Remove the screws fixing motor clamp and then remove the motor clamp. Motor clamp Cross flow Screw Motor Holder Remove the screws at the connection place of cross sub-assy flow blade and motor;...
  • Page 108 11. Removal Procedure Service Manual Caution: discharge the refrigerant GWART36S3 GWHART36S3 completely before removal. Step Procedure 1.Remove filter Panel Open the pane,Push up and pull down the filter Left filter and right filer 2.Remove panel Screws Remove screws fixing display, and then remove the display.
  • Page 109 11. Removal Procedure Service Manual Step Procedure 3.Remove electric box cover 2 Electric box cover 2 Screw Remove the screws on the electric box cover 2 to remove the electric box cover 2. 4.Remove front case sub-assy Screws Open the screw caps on front case. Remove the screws fixing front case.
  • Page 110 11. Removal Procedure Service Manual Step Procedure Electric box assy 6.Remove electric box assy Remove the screw fixing electric box assy. Screws Cold Plasma Generator Grounding screws Main board Wiring terminal of stepping motor Indoor room temperature sensor ① Cut off the wire binder and pull out the Indoor tube indoor tube temperature sensor.
  • Page 111 11. Removal Procedure Service Manual Step Procedure 7.Remove water tray sub-assy Pull the water tray upwards, and then remove the water tray. 8.Remove evaporator assy Connection pipe clamp Remove two screws on pipe clamp, and then remove the pipe clamp. Cover Plate Screws Screws...
  • Page 112 11. Removal Procedure Service Manual Step Procedure 8.Remove motor and cross flow fan Motor Fixed Clip 2 Remove the screws fixing motor fixed clip 2 and then remove the motor fixed clip 2. Screws Cross flow fan Screw Motor Remove the screw on the motor shaft and pull out the Screw motor.

  • Page 113: Removal Procedure Of Outdoor Unit

    11. Removal Procedure Service Manual 11.2 Removal Procedure of Outdoor Unit Caution: discharge the refrigerant completely before removal. GRHART09ASA2 GRART09AS2 GRHART09AS2 GRART12ASA2 GRHART12ASA2 GRART12AS2 GRHART12AS2 NOTE:Take heat pump for example. Step Procedure 1. Before disassembly 2. Remove Cover of Pass Wire and valve cover Cover of Pass Wire Remove the screws fixing Cover of Pass Wire, valve...
  • Page 114 11. Removal Procedure Service Manual Step Procedure 4. Remove front panel assy and Rear Grill Remove connection screws connecting the front panel assy and Rear Grill, and then remove the front panel Rear Grill assy and Rear Grill. Front panel assy 5.
  • Page 115 11. Removal Procedure Service Manual Step Procedure 7. Remove motor support and motor Motor support Motor Remove the screws fixing the motor support and lift the motor support to remove it. Remove the screws fixing the motor and then remove the motor.
  • Page 116 11. Removal Procedure Service Manual Step Procedure 10. Remove gas valve and liquid valve Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the welding joint connecting the gas valve and the liquid valve, remove them.
  • Page 117 11. Removal Procedure Service Manual Caution: discharge the refrigerant GRART18AS2 GRHART18AS2 completely before removal. NOTE:Take heat pump for example. Step Procedure 1. Before disassembly 2. Remove Cover of Pass Wire and valve cover Cover of Pass Wire Remove the screws fixing Cover of Pass Wire, valve cover and then remove them.
  • Page 118 11. Removal Procedure Service Manual Step Procedure 4. Remove front panel assy and Rear Grill Remove connection screws connecting the front panel assy and Rear Grill, and then remove the front panel assy and Rear Grill. Rear Grill Front panel assy 5.
  • Page 119 11. Removal Procedure Service Manual Step Procedure 7. Remove motor and motor support Remove the tapping screws fixing the motor and disconnect the leading wire insert of the motor. Then remove the motor. Remove the tapping screws fixing the motor support and lift the motor support to remove it.
  • Page 120 11. Removal Procedure Service Manual Step Procedure 10. Remove liquid valve and gas valve welding joint Unsolder the welding joint connecting the valve with capillary and condenser; unsolder the welding joint connecting the gas valve and air-return pipe; remove the 2 screws fixing the gas valve to remove the gas valve.
  • Page 121 11. Removal Procedure Service Manual Step Procedure 13. Remove electronic expansion valve assy Unsolder the welding joints connecting electronic expansion valve assy then remove the electronic expansion valve assy and 4-way valve. Note: Before unsoldering the welding joint, wrap the 4-way valve with a wet cloth completely to avoid damage to Electric Expansion the valve caused by high temperature.
  • Page 122 11. Removal Procedure Service Manual Step Procedure 16. Remove compressor compressor foot nuts Remove the 3 foot nuts on the compressor and then remove the compressor. Installation and Maintenance...
  • Page 123 11. Removal Procedure Service Manual GRART24AS2 GRHART24AS2 Caution: discharge the refrigerant NOTE:Take heat pump for example. completely before removal. Step Procedure 1. Before disassembly 2. Remove Cover of Pass Wire and valve cover Cover of Pass Wire Remove the screws fixing Cover of Pass Wire, valve cover and then remove them.

  • Page 124: Front Panel Assy

    11. Removal Procedure Service Manual Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy, and then remove the front panel assy. Front panel 5. Remove right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the terminal board, rescrew the screws fixing the right side plate, and remove the right side plate assy.
  • Page 125 11. Removal Procedure Service Manual Step Procedure 7. Remove motor and motor support Motor support Remove the screws fixing the motor and then remove the motor. Remove the screws fixing the motor support and lift the motor support to remove it. Motor 8.

  • Page 126: 4-Way Valve Assy

    11. Removal Procedure Service Manual Step Procedure 10. Remove gas valve, liquid valve and valve suppprt Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the welding joint connecting the gas valve and the liquid Liquid valve valve, remove them.
  • Page 127 11. Removal Procedure Service Manual GRART36AS3 GRHART36AS3 Caution: discharge the refrigerant completely before removal. Note: Take heat pump model for example. Step Procedure 1. Before disassembly 2. Remove big handle and valve cover Big handle Remove the screws fixing big handle, valve cover and then remove them.

  • Page 128: Right Side Plate Assy

    11. Removal Procedure Service Manual Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy with the chassis and the motor support, and then remove the front panel assy. Front panel assy 5. Remove right side plate assy Right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the...
  • Page 129 11. Removal Procedure Service Manual Step Procedure 7. Remove motor support and motor Motor support Remove the screws fixing the motor support and lift the Motor motor support to remove it. Remove the screws fixing the motor and then remove the motor.
  • Page 130 11. Removal Procedure Service Manual Step Procedure 10. Remove gas valve and liquid valve Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the welding joint connecting the gas valve and the liquid valve, remove them.

  • Page 131: Appendix

    Appendix: Service Manual Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius temperature（℉） temperature（℉） temperature（℉） （℉） （℃） （℉） （℃）...

  • Page 132: Appendix 3: Pipe Expanding Method

    Appendix: Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Improper pipe expanding is the main cause of refrigerant leakage.Please expand Pipe cutter the pipe according to the following steps: A:Cut the pip Leaning Uneven Burr ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●...

  • Page 133: Appendix 4: List Of Resistance For Temperature Sensor

    Appendix: Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.10 49.02 18.75 7.97 128.60 44.31 17.14 7.35 115.00 40.09 15.68 6.79 102.90...
  • Page 134 JF00305380 For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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