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Change for life
Service Manual
Model:
GVH24AK-K3DNC8A
(Refrigerant
R410A)
:
'
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree GVH24AK-K3DNC8A

  • Page 1 Change for life Service Manual Model: GVH24AK-K3DNC8A (Refrigerant R410A) ’ GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
  • Page 2: Table Of Contents

    6. Function and Control ..................13 6.1 Function Buttons of Air Conditioner ................13 6.2 Remote Control Operations ....................15 6.3 GREE+ App Operation Manual ..................20 6.4 Ewpe Smart App Operation Manual ................21 6.5 Description of Each Control Operation ................22 Part Ⅱ : Installation and Maintenance ..........28...
  • Page 3 Service Manual 9.Troubleshooting ....................39 9.1 Judgement by Flashing LED of Indoor ................39 9.2 How to Check Simply the Main Part of Indoor ...............43 9.3 How to Check Simply the Main Part of outdoor .............52 9.4 Maintenance Method for Normal Malfunction ..............61 10.
  • Page 4: Part Ⅰ : Technical Information

    Service Manual Part Ⅰ : Technical Information 1.Summary Indoor Unit: GVH24AK-K3DNC8A/I Outdoor Unit: GVH24AK-K3DNC8A/O Remote Controller: YAP1F4(WiFi) Technical Information...
  • Page 5: Specifications

    Service Manual 2. Specifications 2.1 Specification Sheet Parameter Unit Value Model GVH24AK-K3DNC8A Product Code CH057000100 Rated Voltage 220-240 Power Rated Frequency 50/60 Supply Phases Power Supply Mode Outdoor Cooling Capacity 7100 Heating Capacity 8800 Cooling Power Input 2220 Heating Power Input...
  • Page 6 Service Manual Model of Outdoor Unit GVH24AK-K3DNC8A/O Product Code CH057W00100 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD. Compressor Model QXFS-D25zX090H Compressor Oil FW68DA Compressor Type Rotary Compressor RLA 10.63 Compressor Power Input 2366 Overload Protector HPC115/95U1 Throttling Method Electron expansion valve +Capillary Operation Temp ºC...
  • Page 7: Operation Characteristic Curve

    Service Manual 2.2 Operation Characteristic Curve Cooling Heating 220V 220V Conditions Indoor:DB27°C/WB19°C Outdoor:DB35°C/WB24°C Indoor air flow:Super High Pipe length:5m 230V 230V 240V Conditions Indoor:DB20°C/WB15°C 240V Outdoor:DB7°C/WB6°C Indoor air flow:Super High Pipe length:5m Compressor speed (rps) Compressor speed (rps) 2.3 Capacity Curve in Different Outdoor Temperature Cooling Heating Conditions...
  • Page 8: Cooling Data Sheet In Rated Frequency

    Service Manual 2.4 Cooling Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Rated cooling Inlet and outlet pipe temperature Compressor connecting indoor and Fan speed of Fan speed of condition(°C) (DB/WB) of heat exchanger Model revolution outdoor unit indoor unit outdoor unit (rps)
  • Page 9: Outline Dimension Diagram

    Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Unit:mm Technical Information...
  • Page 10: Outdoor Unit

    Service Manual 3.2 Outdoor Unit Unit:mm Technical Information...
  • Page 11: Refrigerant System Diagram

    Valve Capillary Strainer Service Manual COOLING 4. Refrigerant System Diagram Outdoor unit Indoor 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 Electronic Strainer expansion COOLING HEATING Connection pipe specification:...
  • Page 12: Electrical Part

    Service Manual 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Indoor Unit ● 600007060219 Technical Information...
  • Page 13 Service Manual ● Outdoor Unit 60000700094303 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. Technical Information...
  • Page 14: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Indoor unit ● Top view Name Wiring terminal for DC motor Fuse Live wire Neutral wire temperature sensor interface Interface of up and down swing terminal (up) Interface of up and down swing terminal (down) Interface of display Interface of outdoor unit communication...
  • Page 15 Service Manual Outdoor unit ● Top view Terminal of compressor wire Terminal of electronic expansion valve Terminal of sensor Terminal of compressor overload protection Terminal of outdoor fan Terminal of 4-way valve Power supply live wire Communication wire with indoor unit Earthing wire Power supply neutral wire ●...
  • Page 16: Function And Control

    Service Manual 6. Function and Control 6.1 Function Buttons of Air Conditioner Display Button Function button ● When selecting the function by function button, if the unit is not turned off and it hasn’t get the remote control signal within 2min, press function button and then it will circulate from the previous set function.
  • Page 17 Service Manual ● Quiet and turbo can be set by pressing fan button under cool and heat mode. ● Fan speed is defaulted at low fan speed and it can’t be adjusted under dry mode. button. ● This button is turned for turning on or turning off the up&down swing. button ●...
  • Page 18: Remote Control Operations

    Service Manual 6.2 Remote Control Operations Buttons on remote controller ON/OFF button SAVE button FAN button MODE button ▲/ button HEAT button COOL button button button SLEEP button WiFi button X-FAN/E-HEATER button QUIET button LIGHT button TIMER button Introduction for icons on display screen Set fan speed fan speed.
  • Page 19 Service Manual ON/OFF button Press this button can turn on or turn off the air conditioner. After turning on the air conditioner, indoor unit will give out a sound. SAVE button Under cooling mode, press this button to start up or turn off energy-saving function.When energy-saving function is started up, "SE"...
  • Page 20 Service Manual button Under simple swing mode, pres this button can turn on (" " icon is displayed) or turn off (" " icon is not displayed) the left&right swing function. When the unit is turned off by remote controller, press "▲" button and " "...
  • Page 21 Service Manual QUIET button Press this button can turn on or turn off QUIET function. This function is not available for this unit. LIGHT button Press this button to turn off display light on indoor unit. Press this button again to turn on display light. TIMER button ▲...
  • Page 22 Service Manual NOTICE During operation, point the remote control signal sender at the receiving window on indoor unit. The distance between signal sender and receiving window should be no more than 8m, and there should be no obstacles between them. Signal may be interfered easily in the room where there is fluorescent lamp or wireless telephone;...
  • Page 23: 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 24: Ewpe Smart App Operation Manual

    Service Manual 6.4 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud intelligent Cellular/ Home Wi-Fi 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...
  • Page 25: Description Of Each Control Operation

    Service Manual 6.5 Description of Each Control Operation Indoor units Mode and Operation Introduction Basic fu nctions 1. Cooling Mode Under this mode, the fan and louver should be operated according to the setting status. The temperature setting range is 16~30℃...
  • Page 26 Service Manual icon flashing. Then press ―set +‖ or ―set –‖ to confirm the selection, and the ―cleaning‖ icon will be lighted up. The case of the unit will start rotating until the filter rotates to the front of the air conditioner. Cut off the power supply to detach and clean the filter.
  • Page 27 Service Manual 10.4.3 After simultaneously pressing + button and – button for continuously 3 seconds, all buttons on display board will be shielded. Later if you press any of the buttons, the buzzer will sound once while the dual-8 will display “LC” for three times and then return to normal display to indicate the user that the button has been locked.
  • Page 28 Service Manual 6.1.2 When T indoor amb. -⊿ T heating indoor amb. compensation.) ≤-2℃ , or T preset - (T indoor amb. -⊿ T heating indoor amb. compensation.) < -1℃ lasts for 6 minutes and its frequency decreases to the low limit frequency, the unit will stop operation as it reaches the temperature point.
  • Page 29 Service Manual 12. Overload protection function 12.1Overload protection function under cooling and drying mode: When【T cooling overload shutdown temperature】≤T outdoor tube, unit will be shut off for cooling overload protection; If T outdoor tube < 【T cooling overload limited frequency temperature】and compressor stops for 3 minutes, the complete unit is allowed to recover operation;...
  • Page 30 Service Manual 18.2 If 【T modular stop temperature】≤T module, the system will be shut off for protection; If T module <【T module limited frequency temperature】and compressor stops for 3 minutes, the complete unit is allowed to recover operation; 18.3 If compressor module overheat protection shutdown occurs continuously for 6 times, the operation cannot be recovered automatically.
  • Page 31: Part Ⅱ : Installation And Maintenance

    Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire from the manufacture or distributor. Prohibit prolong the wire by Important! yourself.
  • Page 32 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 refrigerant circuit free from air or substances other than the specified refrigerant.
  • Page 33 Service Manual Main Tools for Installation and Maintenance 1. Measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8. Vacuum pump 9.
  • Page 34: Installation

    Service Manual 8. Installation 8.1 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 Drill wall holes (select it according to the actual situation) Connect pipes of indoor Fix outdoor unit...
  • Page 35: Installation Parts-Checking

    Service Manual 8.2 Installation Parts-checking 8.4 Precautions of Connecting Pipe Name Name ● The connection pipe and drainage pipe should be Indoor unit Sealing gum insulated to avoid water drop-ping due to condensation. Outdoor unit Wrapping tape 1. Both the indoor side and outdoor side adopt connection of Support of outdoor expanding port.
  • Page 36: Electric Connection Requirement

    Service Manual 6. Be sure to cut off the power supply before proceeding any work related to electric safety. method of 7. Do not put through the power before finishing installation. unbinding coil make Grounding requirement: the pipe 1. The air conditioner is first class electric appliance. It must end straight be properly grounded with specialized grounding device by a professional.
  • Page 37: Installation Of Indoor Unit

    Service Manual Grounding requirements: Step one: Installation of drainage pipe and connection ● The air conditioner is first class electric appliance. Please take pipe reliable grounding measure. ● Remove the rear cover during piping and wiring. ● The yellow-green wire in the air conditioner is grounding wire. 1.
  • Page 38 Service Manual 8. Unfold the connection pipe, bend it according to the length needed, remove the screw cap on indoor unit pipe, match the connection pipe with the center of indoor unit pipe and then screw up the nut. N(1) blue black brown yellow-...
  • Page 39: Installation Of Outdoor Unit

    Service Manual Step two: Pipe connection of outdoor unit 8.7 Installation of Outdoor Unit Fix the outdoor unit on the selected position 1. Match the flared port of connection pipe to the valve, and Installation dimension diagram of outdoor unit then tighten them with hand.
  • Page 40: Vacuum Pumping And Leak Detection

    Service Manual 8.8 Vacuum Pumping and Leak Detection 8.9 Check after Installation and Test Operation Use vacuum pump 1. Remove the valve caps on the liquid valve and gas valve 1. Check after Installation and the nut of refrigerant charging vent. Check according to the following requirement after finishing 2.
  • Page 41 Service Manual connect this end wih the wall and fix it with screw remove the screw at top cover wall put this end into the anti-tilting hole anti-tilting hole indoor unit anti-tilting hole Figure 2 Figure 1 Actual product may be different from above graphics, please refer to actual products.
  • Page 42: Troubleshooting

    Service Manual 9.Troubleshooting 9.1 Judgement by Flashing LED of Indoor Display Method of Indoor Unit Malfunction A/C status Possible Reasons Dual-8 Name Code Display Cooling: Compressor stops High pressure and indoor fan operates. Overpressure of AC system protection of system Heating: All the loads are stopped.
  • Page 43 Service Manual Display Method of Indoor Unit Malfunction A/C status Possible Reasons Name Dual-8 Code Display Outdoor Cooling: Compressor stops Open-circuit or condenser and indoor fan operates. short-circuit of outdoor temperature sensor is Heating: All the loads are condenser temperature open/short stopped.
  • Page 44 Service Manual Display Method of Indoor Unit Malfunction A/C status Possible Reasons Name Dual-8 Code Display Cooling: Compressor stops Module high and indoor fan operates. Module temperature is too temperature Heating: All the loads are high. protection stopped. Open-circuit or Cooling: Compressor stops Malfunction of module short-circuit of module...
  • Page 45 Service Manual Display Method of Malfunction Indoor Unit A/C status Possible Reasons Name Dual-8 Code Display The four-way Cooling: Compressor stops 4-way valve doesn’t change direction under valve is and indoor fan operates. heating mode. abnormal Heating: All the loads are stopped. Outdoor unit Cooling: Compressor stops Outdoor unit sensing AC...
  • Page 46: How To Check Simply The Main Part Of Indoor

    Service Manual 9.2 How to Check Simply the Main Part of Indoor 1. Malfunction of Temperature Sensor F1, F2 Troubleshooting for F1,F2 malfunction the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Is malfunction eliminated...
  • Page 47 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Troubleshooting for H6 malfunction Stir the blade with a tool to see whether the blade rotates smoothly Tighten the screw; reassemble the blade, motor and shaft bearing rubber base sub-assy to make sure there is no foreign object between them Is malfunction eliminated...
  • Page 48 Service Manual 3. Malfunction of Protection of Jumper Cap C5 Troubleshooting for C5 malfunction Appearance of Is there jumper cap on the the jumper cap mainboard ? Assemble the jumper cap with the same model Is malfunction eliminated the jumper cap inserted correctly and tightly ? Insert the...
  • Page 49 Service Manual 4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Troubleshooting for U8 malfunction Re-energize1 minute after de-erergization The unit returns to normal. Conclusion:U8 is displayed due U8 is still to instant energization afte de- displayed energization while the capacitor discharges slowly.
  • Page 50 Service Manual 5. Malfunction of Protection of 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 51 Service Manual 6. Malfunction of Protection of Freeze Protection (E2) Start Solve the problem Malfunction is Is there poor air return in the indoor unit? of system. eliminated. Solve the problem Malfunction is Is the fan speed abnormal? of speed. eliminated.
  • Page 52 Service Manual 7. Malfunction of Protection of High Discharge Temperature Protection (E4) Installation and Maintenance...
  • Page 53 Service Manual 8. Malfunction of Overcurrent Protection E5 Troubleshooting for E5 malfunction Is the supply voltage unstable Normal fluctuation is within 10 % of the rated Malfunction is with big fluctuation? voltage on the nameplate eliminated Is the supply voltage too low Malfunction is Adjust the supply voltage to maintain it within Malfunction is...
  • Page 54 Service Manual 9. Malfunction of Communication E6 Start Cut off power supply. Check if connection line of IDU and ODU and the wire inside electric box are correctly connected. Connect the line Correct connection? according to Malfunction eliminated? wiring diagram. Main board matches Match correctly with display board? Main board of...
  • Page 55: How To Check Simply The Main Part Of Outdoor

    Service Manual 9.3 How to Check Simply the Main Part of outdoor ●Discharging method (1) Remove the inverter cover(Outdoor Unit) Inverter cover P.C.board (Soldered surface) (2)As shown below,connect the discharge resistance(approx.100Ω20W)or plug of the sold ering iron to voltage between + - terminals of the electrolytic capacitor on PC Board for 30s, and then peformedischarging.
  • Page 56 Service Manual 1. Capacitor Charging Malfunction (Outdoor unit malfunction) Outdoor unit malfunction indicator status □ ■ □ ■ Main detection point: ●Detect if the voltage of L and N terminal of wiring board is between 210AC-240AC by alternating voltage meter; ●Is reactor (L) well connected? Is connection wire loosened or pull-out? Is reactor (L) damaged? Malfunction diagnosis process: Turn on the unit...
  • Page 57 Service Manual 2. IPM Protection, Desynchronizing Malfunction, Phase Current of Compressor is Overcurrent (Outdoor unit malfunction) Outdoor unit malfunction indicator status Malfunction IPM protection □ ☆ □ ■ Desynchronizing malfunction □ ☆ ■ ☆ Compressor overcurrent □ ☆ □ □ Main detection point: ●If control board AP1 and compressor COMP is well connected? If they are loosened? If the connection sequence is correct? ●Is voltage input in the normal range (Test the voltage between L, N of wiring board XT by DC voltage meter)?
  • Page 58 Service Manual Energize and switch on Use AC voltmeter Check the supply to measure the If the voltage IPM protection voltage and voltage between between terminal L and N on wiring occurs after the machine has run for restore it to terminal L and N board XT is within a period of time?
  • Page 59 Service Manual 3. Diagnosis for High Temperature, Overload Protection (Check outdoor unit in cooling mode and check indoor unit in heating mode) Outdoor unit malfunction indicator status ■ □ ■ ■ Main detection point: ●If the outdoor ambient temperature is in normal range; ●If the indoor and outdoor fan is running normally;...
  • Page 60 Service Manual 4. Diagnosis for Failure Start up Malfunction (Outdoor unit malfunction) Outdoor unit malfunction indicator status □ ☆ □ ☆ Main detection point: ●If the compressor wiring is correct? ●If the stop time of compressor is enough? ●If the compressor is damaged? ●If the refrigerant charging is too much? Malfunction diagnosis process: Energize the unit...
  • Page 61 Service Manual 5. Diagnosis for Compressor Synchronism (Outdoor unit malfunction) Outdoor unit malfunction indicator status □ ☆ ■ ☆ Main detection point: ●If the system pressure is over-high? ●If the working voltage is over-low? Malfunction diagnosis process: Synchronism Synchronism after occurred during energize the unit operation...
  • Page 62 Service Manual 6. Diagnosis for Overload and Discharge Malfunction (Outdoor unit malfunction) Outdoor unit malfunction indicator status Malfunction Overload □ ☆ ☆ □ Discharge ■ □ ■ ☆ Main detection point: ●If the electron expansion valve is connected well? Is the expansion valve damaged? ●If the refrigerant is leakage? ●If the overload protector is damaged? ●If the discharge temp sensor is damaged?
  • Page 63 Service Manual 7. Communication Malfunction Outdoor unit malfunction indicator status □ □ □ ☆ Main detection point: ●Check if the connection wire and the built-in wiring of indoor and outdoor unit is connected well and no damaged; ●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 operating...
  • Page 64: Maintenance Method For Normal Malfunction

    Service Manual 9.4 Maintenance Method 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 After energization, operation indicator isn’t bright wait for power recovery.
  • Page 65 Service Manual 4. ODU Fan Motor Can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly...
  • Page 66: Exploded View And Parts List

    Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 67 Service Manual Part Code Description GVH24AK-K3DNC8A/I Product Code CH057N00100 Electric Box 01201700033 Insatallation Box 20114149 PCB Retaining Plate 20021600005 Main Board 300002060135 Electric Box Cover 01202000040 Support plate (bearing) 20015300004 (bottom) (black) Bearing assy (plastic) 73014015 Support plate (rotation) (black)
  • Page 68 Service Manual Support 3 24214121 Support 2 24214120 Support 1 24214119 Pipe Clamp 02144018 Foam (Water Tray) 12314842 Water Tray 20184086 Drainage Pipe Sub-assy 05234039 Cover Plate of Terminal Board 01364518 Cover Plate of Terminal Board Terminal Box 01414153 Base Frame 20017200016 Decoration (Chassis) 23000100058D...
  • Page 69: Outdoor Unit

    Service Manual 10.2 Outdoor Unit The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 70 Service Manual Part Code Description GVH24AK-S3DTC5A/O Product Code 22413045 Front Grill 01535013P Front Panel 10335008 Axial Flow Fan 1501506402 Fan Motor 100002060611 Electric Box Assy 300027060102 Main Board 422000060009 Terminal Board 26233053 Handle 01305093P Left Side Plate 01795031 Supporting Board(Condenser) 012049000007P Coping 01705067...
  • Page 71: Removal Procedure

    Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Installation and Maintenance...
  • Page 72 Service Manual Installation and Maintenance...
  • Page 73 Service Manual Installation and Maintenance...
  • Page 74 Service Manual Installation and Maintenance...
  • Page 75 Service Manual Installation and Maintenance...
  • Page 76 Service Manual Installation and Maintenance...
  • Page 77 Service Manual Installation and Maintenance...
  • Page 78 Service Manual Installation and Maintenance...
  • Page 79 Service Manual Installation and Maintenance...
  • Page 80: Removal Procedure Of Outdoor Unit

    Service Manual 11.2 Removal Procedure of Outdoor Unit Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. Steps Procedure 1. Remove big handle,valve cover and top cover Remove the screw connecting the big handle and right side plate, and then remove the big handle.
  • Page 81 Service Manual Steps Procedure Remove the screws connecting the outer case with motor support, isolation plate and chassis; lift the outer case upwards; loosen the clasps of outer case with right side plate and left side plate, and then remove the outer case. outer case 3.
  • Page 82 Service Manual Steps Procedure 4. Remove axial flow blade Remove the nut fixing axial flow blade and then remove the blade. axial flow fan motor support Remove the 6 screws fixing the motor and then remove the motor. Remove the 2 screws connecting the motor support and chassis, and then loosen the stopper to remove the motor support.
  • Page 83 Service Manual Steps Procedure 6. Remove the soundproof sponge Tear off the sticking stripe and then remove the soundproof sponge. soundproof sponge 7. Remove isolation plate Remove the 2 screws connecting the isolation plate and condenser side plate; remove the 3 screws connecting the isolation plate and chassis, and then remove the isolation plate.
  • Page 84 Service Manual Steps Procedure 9. Remove compressor compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion. Note: Keep the ports of discharge pipe and suction pipe from foreign objects. condenser sub-assy 10.
  • Page 85: Appendix

    Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius (℃) Celsius (℃) Celsius (℃) temperature temperature temperature (℉)...
  • Page 86: Appendix 3: Pipe Expanding Method

    Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: Leaning Uneven Burr A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●...
  • Page 87: Appendix 4: List Of Resistance For Temperature Sensor

    Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor (15K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009...
  • Page 88 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2...
  • Page 89 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor (50K) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08...
  • Page 90 Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add: Unit 2612,26/F.,Miramar Tower 132 Nathan Road,TST,Kowloon,HK Tel: (852) 31658898 Fax: (852) 31651029 For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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