Gree GWH(05)ATA-D3DNA1A/I Service Manual
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Gree GWH(05)ATA-D3DNA1A/I Service Manual

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Service Manual
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree GWH(05)ATA-D3DNA1A/I

  • Page 1 Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...

  • Page 2: Table Of Contents

    5.2 PCB Printed Diagram ....................6 6. Function and Control ..........7 6.1 Remote Controller Introduction ................7 6.2 GREE+ App Operation Manual ................12 6.3 Ewpe Smart App Operation Manual ..............13 6.4 Brief Description of Models and Functions ..........14 Part II : Installation and Maintenance ....
  • Page 3 10. Exploded View and Parts List ......40 11. Removal Procedure ..........41 Appendix ................46 Appendix 1: Reference Sheet of Celsius and Fahrenheit .......46 Appendix 2: Pipe Expanding Method ..............47 Appendix 3: List of Resistance for Temperature Sensor ........48 Table of Contents...

  • Page 4: Part I : Technical Information

    1. Summary Indoor Unit: A1 panel (Black) Remote Controller: YAY1FF Technical Information...

  • Page 5: Specifications

    2. Specifications Model GWH(05)ATA-D3DNA1A/I GWH(07)ATA-D3DNA1A/I Product Code CB574N00100 CB574N00200 Rated Voltage 208/230 208/230 Rated Frequency Phases Cooling Capacity Btu/h 5000 7000 Heating Capacity Btu/h 6000 8000 Air Flow Volume 247/194/182/171/158/147/123 258/235/224/206/182/159/135 Dehumidifying Volume Pint/h 0.63 1.27 Fan Type Cross-flow Cross-flow Fan Diameter-height Ф92×505...

  • Page 6: Outline Dimension Diagram

    3. Outline Dimension Diagram 1 11/16 1 11/16 2 61/64 2 61/64 Unit: inch Model 27 7/8 10 15/64 7 9/32 3 25/32 18 5/32 5 15/16 1 11/16 1 11/16 6 17/64 5 15/64 Technical Information...

  • Page 7: Refrigerant System Diagram

    4. Refrigerant System Diagram outdoor indoor filter A heat exchanger filter outdoor heat exchanger 4-way valve B heat exchanger filter high pressure switch discharge silencer C heat exchanger discharge temperature sensor filter D heat exchanger gas -liquid separator filter A1:A unit electronic expansion valve B1:B-unit electronic expansion valve C1:C-unit electronic expansion valve D1:D-unit electronic expansion valve A2:A-unit gas pipe temperature sensor B2:B-unit gas pipe temperature sensor C2:C-unit gas pipe temperature sensor D2:D-unit gas pipe temperature sensor...

  • Page 8: Electrical Part

    5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COMP Compressor Blue 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. OPTIONAL TUBE ROOM...

  • Page 9: Pcb Printed Diagram

    5.2 PCB Printed Diagram Name Name Communication interface Up&down 1 swing interface Terminal of live wire used for Left&right swing interface supplying power for outdoor unit Fuse Interface of PG feedback Live wire terminal Display board Needle stand for tube Neutral wire terminal temperature sensor Interface of PG motor...

  • Page 10: Function And Control

    6. Function and Control 6.1 Remote Controller Introduction Buttons on remote controller for YAY1FF NOTE: ● This is a general use remote controller. It could be used for the air conditioner with multifunction. For the functions which the model doesn't have, if press the corresponding button on the remote controller, the unit will keep the original running status.
  • Page 11 NOTE: run at this setting temperature; In Heat mode: sleep status after ● Under AUTO speed, air conditioner will select proper fan speed run for one hour, the setting temperature will decrease 1 C, two automatically according to factory default setting. hours, setting temperature will decrease 2 C, then the unit will run ●...
  • Page 12 and the characters "ON" flashes on the remote controller; press heating icon " " flashes for 5s;press “SET” button within 5s to "SET" button until the characters "ON" disappears. turn on or turn off 8 C-heating. When 8 C-heating is started up, "...
  • Page 13 on.WiFi function is defaulted ON after energization of the remote switch to off status directly; if press this button again within 2s, controller. the change of swing status will also depend on the circulation NOTE: sequence stated above. ● This function is only available for some models. Under COOL or HEAT mode, press this button to turn to quick COOL or quick HEAT mode.
  • Page 14 ● Signal may be interfered easily in the room where there is fluorescent lamp or wireless telephone; remote controller should be close to indoor unit during operation. ● Replace new batteries of the same model when replacement is required. ● When you don’t use remote controller for a long time, please take out the batteries.

  • Page 15: Gree+ App Operation Manual

    GREE+ App Download Linkage Scan the QR code or search "GREE+" in the application market to download and install it. When "GREE+" App is installed, register the account and add the device to achieve long-distance control and LAN control of Gree smart home appliances.

  • Page 16: Ewpe Smart App Operation Manual

    6.3 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 above version Download and installation...

  • Page 17: Brief Description Of Models And Functions

    6.4 Brief Description of Models and Functions 1.Basic function of system unit will operate at auto mode. Indoor fan operates at auto fan (1) Cooling mode speed and swing function is turned on. Press this auto button at (1) Under this mode, fan and swing operates at setting status. ON status to turn off the unit.
  • Page 18 sent to outdoor unit. After power recovery, compressor can only be started up after (11) Ambient temperature display control mode 180+T s at least. 1. When user set the remote controller to display set temperature (13) SE control mode (corresponding remote control code: 01), current set temperature The unit operates at SE status.

  • Page 19: Part Ii : Installation And Maintenance

    7. Notes for Installation and Maintenance Safety Precautions: Important! be installed in the circuit. The air switch should be all-pole parting and the contact parting distance should be more than Please read the safety precautions carefully before 3mm. installation and maintenance. 12.
  • Page 20 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 5.When installing the unit, make sure that connection keep the refrigerant circuit free from air or substances pipe is securely connected before the compressor other than the specified refrigerant.
  • Page 21 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 Pipe cutter Pipe expander Pipe bender Soldering appliance...

  • Page 22: Installation

    8. Installation 8.1 Installation Dimension Diagram Installation and Maintenance...
  • Page 23 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 the support of outdoor unit Install wall-mounting (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...

  • Page 24: Installation Parts-Checking

    8.2 Installation Parts-checking malfunction. Please install proper power supply cables before using the air conditioner. 4. Properly connect the live wire, neutral wire and grounding wire of Name power socket. Indoor unit 5. Be sure to cut off the power supply before proceeding any work Outdoor unit related to electricity and safety.
  • Page 25 3. Open piping hole (3) Adjust the torque force by referring to the following sheet. (1) Choose the position of piping hole according to the direction of Place the open-end wrench on the pipe joint and place the torque wrench on the union nut. Tighten the union nut with torque outlet pipe.
  • Page 26 7. Connect Wire of Indoor Unit 8. Bind up Pipe (1) Bind up the connection pipe, power cord and drain hose with Notice: the band. (1) All wires of indoor unit and outdoor unit should be connected by a professional. Indoor and outdoor power cord (2) If the length of power connection wire is insufficient, please...

  • Page 27: Check After Installation And Test Operation

    8.6 Check after Installation and Test operation 1. Check after Installation Check according to the following requirement after finishing installation. Items to be checked Possible malfunction Has the unit been installed The unit may drop, shake or firmly? emit noise. Have you done the It may cause insufficient refrigerant leakage test?

  • Page 28: Maintenance

    9. Maintenance 9.1 Error Code List Display Method of Indoor Unit Malfunction Name A/C status Possible Causes Dual-8 Code Display 1. The wiring terminal between indoor The unit will stop operation as it reaches ambient temperature sensor and controller the temperature point. During cooling is loosened or poorly contacted;...
  • Page 29 Display Method of Indoor Unit Malfunction Name A/C status Possible Causes Dual-8 Code Display 1. The wiring terminal between outdoor condenser temperature sensor and The unit will stop operation as it reaches maiboard is loosened or poorly contacted. the temperature point. During cooling and 2.
  • Page 30 Display Method of Indoor Unit Malfunction Name A/C status Possible Causes Dual-8 Code Display 1. The communication line is not connected tightly or poorly contacted. Poor contact of any line may cause Communi- During cooling operation, compressor stops communication malfunction. cation while indoor fan motor operates.

  • Page 31: Procedure Of Troubleshooting

    9.2 Procedure of Troubleshooting 1. Malfunction of Temperature Sensor F1, F2 Main detection points: (1) connection terminal (2) temperature sensor (3) main board Malfunction diagnosis process: Start Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Is malfunction...
  • Page 32 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor can't operate? ● The motor is broken? ●...
  • Page 33 3. Malfunction of Protection of Jumper Cap C5 Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● The motor is broken? ● Detection circuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Appearance of the...
  • Page 34 4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Turn power off for 1minute,the turn back on The unit returns to normal.
  • Page 35 5. High pressure protection (E1) Start Are the display panel and main board Connect the display panel with the main board well Malfunction is eliminated. connected tightly? Are the OVC terminal on the main board connected Connect the OVC terminal on the main board with the high well with the high pressure switch on the complete Malfunction is eliminated.
  • Page 36 6. Low pressure protection of compressor (E3) Start Is the terminal Re-insert it tightly of low pressure switch to ensure reliable inserted well ? contact. Is the malfunction eliminated ? Is the higher than the acting Add refrigerant . value of the low pressure switch? Is the malfunction...
  • Page 37 7. Overload protection of compressor H3, high discharge temperature protection of compressor E4 (AP1 hereinafter refers to the control board of the outdoor unit) Main detection points: (1) electronic expansion valve (2) expansion valve terminal (3) charging amount of refrigerant (4) overload protector Malfunction diagnosis process: After the unit de-energized...
  • Page 38 8. Malfunction of Overcurrent Protection E5 Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Normal fluctuation should be within 10 % Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate...
  • Page 39 9. Communication malfunction E6 Main detection points: ● Check if the connection wire and the built-in wiring of indoor and outdoor unit are connected well and without damage; ● If the communication circuit of indoor mainboard is damaged? If the communication circuit of outdoor mainboard (AP1) is damaged? Malfunction diagnosis process: Start If the unit is operation...
  • Page 40 10. High temperature and overload protection (E8)(AP1 below means control board of outdoor unit) Main detection points: (1) outdoor temperature (2) fan (3)air inlet and air outlet of indoor/outdoor unit Malfunction diagnosis process: Overload protection, high temperature prevention protection Normal protection. Please operate Is the outdoor ambient temperature it when the outdoor ambient higher than 53℃？...

  • Page 41: Troubleshooting For Normal Malfunction

    9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor connection After energization, operation indicator isnt bright wait for power recovery.
  • Page 42 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 universal meter and find that the capacity is out of...

  • Page 43: Exploded View And Parts List

    10. Exploded View and Parts List The component picture is only for reference; please refer to the actual product. Description Description Description O-Gasket sub-assy of Bearing Fan Motor Front Panel Connecting pipe clamp Front Case Sub-assy Ring of Bearing Axile Bush Sub-assy Rubber Plug (Water Tray) Screw Cover Evaporator Support...

  • Page 44: Removal Procedure

    11. Removal Procedure Caution: discharge the refrigerant completely before removal. Step Procedure Before disassemble Turn off the air conditioner and disconnect the power before disassemble the air conditioner. 1. Remove filter Filter Hold the handle on the filter, pull it upwards to let the clasp at the top part of the filter loose, pull it forwards and then the filter can be pulled out.
  • Page 45 Step Procedure 3. Remove panel Panel rotation Display Panel Screw Open the front panel; separate the panel rotation shaft from the groove fixing the front panel and then removes the front panel. Note: The display of some models is fixed on the panel; unscrew the screws fixing the display on the panel before removing the panel.
  • Page 46 Step Procedure 6. Remove electric box assy Screw Remove the screw fixing electric box assy. Indoor tube Grounding temperature sensor Electric box assy screw Main board Wiring terminal ① Cut off the wire binder and pull out the of motor indoor tube temperature sensor.
  • Page 47 Step Procedure 7. Remove evaporator assy Remove 2 screws fixing evaporator assy. Screws Connection pipe clamp At the back of the unit, Loosen the clasp of the connection pipe clamp and then remove the connection pipe clamp. First remove the left side of evaporator from the groove of bottom shell and then remove the right side from the clasp on the bottom shell.
  • Page 48 Step Procedure 8. Remove motor and cross flow fan Remove 3 screws fixing motor clamp and then remove the motor clamp. Screws Screw Loose the screws (2-3 circles) used for fixing the cross flow fan, pull right to pull out the motor. 9.

  • Page 49: Appendix

    Appendix 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（ F） （ F） （ C） F）...

  • Page 50: Appendix 2: Pipe Expanding Method

    Appendix 2: 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 51: Appendix 3: List Of Resistance For Temperature Sensor

    Appendix 3: 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 36.32 14.36 6.28...
  • Page 52 JF00305210 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522219 Fax: (+86-756) 8669426 E-mail: global@cn.gree.com For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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