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Troubleshooting
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Summary of Contents for Gree GVC36ALXH-K3NTC7A
- Page 1 Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
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Page 2: Table Of Contents
6.1 Function Buttons of Air Conditioner ...............21 6.2 Remote Controller Introduction ................23 6.3 Brief Description of Models and Functions ..........27 6.4 GREE+ App Operation Manual ................31 6.5 Ewpe Smart App Operation Manual ..............32 Part II : Installation and Maintenance ....33 7. - Page 3 Service Manual 8.4 Electric Connection Requirement ..............39 8.5 Installation of Indoor Unit ..................40 8.6 Installation of Outdoor Unit ................41 8.7 Vacuum Pumping and Leak Detection ............43 8.8 Check after Installation and Test Operation ..........43 9. Maintenance ..............44 9.1 Error Code List ......................44 9.2 Procedure of Troubleshooting ................48...
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Page 4: Part I : Technical Information
1. Summary Service Manual Indoor Unit: GVC36ALXH-K3NTC7A/I GVH36ALXH-K3NTC7A/I GVC48ALXL-M3NTC7A/I GVH48ALXL-M3NTC7A/I GVC55ALXL-M3NTC7A/I GVC48ALXL-M3NTC7B/I GVH55ALXL-M3NTC7A/I Outdoor Unit: GVC48ALXL-M3NTC7A/O GVC48ALXL-M3NTC7B/O GVH48ALXL-M3NTC7A/O GVC55ALXL-M3NTC7A/O GVH55ALXL-M3NTC7A/O GVC36ALXH-K3NTC7A/O GVH36ALXH-K3NTC7A/O Technical Information... - Page 5 Model list: Indoor product Outdoor product Model Product code Indoor model Outdoor model code code 1 GVC36ALXH-K3NTC7A CG156007500 GVC36ALXH-K3NTC7A/I CG156N07500 GVC36ALXH-K3NTC7A/O CG156W07500 2 GVH36ALXH-K3NTC7A CG156007400 GVH36ALXH-K3NTC7A/I CG156N07400 GVH36ALXH-K3NTC7A/O CG156W07400 3 GVC48ALXL-M3NTC7B CG156008700 GVC48ALXL-M3NTC7B/I CG156N08700 GVC48ALXL-M3NTC7B/O CG156W08700 4 GVC48ALXL-M3NTC7A CG156008000 GVC48ALXL-M3NTC7A/I...
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Page 6: Specifications
2. Specifications Service Manual 2.1 Specification Sheet Model GVC36ALXH-K3NTC7A GVH36ALXH-K3NTC7A Product Code CG156007500 CG156007400 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity T1:10560 T3:9400 T1:10560 T3:9400 Heating Capacity 11140 Cooling Power Input... - Page 7 Service Manual Outdoor Unit Model GVC36ALXH-K3NTC7A/O GVH36ALXH-K3NTC7A/O Outdoor Unit Product Code CG156W07500 CG156W07400 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA Compressor Manufacturer CO.,LTD COMPRESSOR CO.,LTD Compressor Model QXAS-F41N470A QXAS-F41N470A Ze-GLES RB68EP or FVC 68D or Ze-GLES RB68EP or FVC Compressor Oil FV 50S or equivalent...
- Page 8 Service Manual Model GVC48ALXL-M3NTC7A GVH48ALXL-M3NTC7A Product Code CG156008000 CG156007900/CG156007901 Rated Voltage Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity T1:14800 T3: 11200 T1:14800 T3:11200 Heating Capacity 16300 Cooling Power Input T1:4900 T3:6050 T1:4900 T3:6050 Heating Power Input 4600 Cooling Current Input T1:9.5 T3:10.7...
- Page 9 Service Manual Outdoor Unit Model GVC48ALXL-M3NTC7A/O GVH48ALXL-M3NTC7A/O Outdoor Unit Product Code CG156W08000 CG156W07900 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO.,LTD CO.,LTD Compressor Model QXAS-H59sN345A QXAS-H59sN345A Compressor Oil Ze-GLES RB68EP/FVC68D Ze-GLES RB68EP/FVC68D Compressor Type Rotary Rotary Compressor LRA. 72.00 72.00 Compressor RLA 9.00...
- Page 10 Service Manual Model GVC55ALXL-M3NTC7A GVH55ALXL-M3NTC7A Product Code CG156008100 CG156008200/CG156008201 Rated Voltage Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity T1:15400 T3: 12000 T1:15400 T3: 12000 Heating Capacity 17600 Cooling Power Input T1:5400 T3:6050 T1:5400 T3:6050 Heating Power Input 5100 Cooling Current Input T1:11 T3:10.7...
- Page 11 Service Manual Outdoor Unit Model GVC55ALXL-M3NTC7A/O GVH55ALXL-M3NTC7A/O Outdoor Unit Product Code CG156W08100 CG156W08200 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO.,LTD CO.,LTD Compressor Model QXAS-H64sN345 QXAS-H59sN345A Compressor Oil Ze-GLES RB68EP/FVC68D Ze-GLES RB68EP/FVC68D Compressor Type Rotary Rotary Compressor LRA. 85.00 72.00 Compressor RLA 10.60...
- Page 12 Service Manual Model GVC48ALXL-M3NTC7B Product Code CG156008700 Rated Voltage Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity T1:15000 T3:12500 Heating Capacity Cooling Power Input T1:5040 T3:6050 Heating Power Input Cooling Current Input T 1:9.5 T3:10.7 Heating Current Input Rated Input 7100 Rated Cooling Current...
- Page 13 Service Manual Outdoor Unit Model GVC48ALXL-M3NTC7B/O Outdoor Unit Product Code CG156W08700 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD. Compressor Model QXAS-H59sN345A Compressor Oil Ze-GLES RB68EP/FVC68D Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 4900 Compressor Overload Protector UP18UA14R-55E Throttling Method Capillary Set Temperature Range...
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Page 14: Capacity Variation Ratio According To Temperature
Service Manual 2.2 Capacity Variation Ratio According to Temperature 48/55K Cooling: Heating: Cooling Heating Condition Cooling Condition Heatin g Indoor:DB27 °C WB19 °C Indoor:DB20 °C Indoor air flow: Super High Indoor air flow: Super High Conditions Condition Heating Pipe length:5m Indoor:DB27°C/WB19°C Pipe length:5m Indoor:DB20 °C... -
Page 15: Outline Dimension Diagram
3. Outline Dimension Diagram Service Manual 3.1 Indoor Unit Unit:mm Model 36/48/55K 1882 Technical Information... -
Page 16: Outdoor Unit
Service Manual 3.2 Outdoor Unit 1000 Unit:mm Technical Information... - Page 17 Service Manual 48/55K 1260 Unit:mm Technical Information...
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Page 18: Refrigerant System Diagram
4. Refrigerant System Diagram Service Manual Cooling model Outdoor unit Indoor unit Gas pipe side Valve Di s charge Heat exchanger (evaporator) Suction Accumlator Compressor Heat exchanger Liquid pipe (condenser) side Valve Capillary Strainer COOLING Cooling and heating model Indoor unit Outdoor unit Gas pipe side... -
Page 19: Electrical Part
5. Electrical Part Service Manual 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. ●... - Page 20 Service Manual ● Outdoor Unit GVC36ALXH-K3NTC7A/O N(1) COM-INNER AP1 PRINTED CIRCUIT BOARD AC-L JUMP L(3) YEGN TERMINAL BLOCK COMP T-PIPE TR-IN TR-OUT BN(BK) θ YEGN DISCHARGE HIGH PRESSURE LOW PRESSURE TRANSFORMER POWER SWITCH SWITCH T1/4 A2/1 TEMP. SENSOR YEGN MOTOR CAP.
- Page 21 Service Manual GVC48ALXL-M3NTC7A/O GVC48ALXL-M3NTC7B/O GVC55ALXL-M3NTC7A/O 600007066683 GVH48ALXL-M3NTC7A/O GVH55ALXL-M3NTC7A/O 600007066685 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. Technical Information...
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Page 22: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor Unit 1 Neutral wire 2 Fuse 3 Live wire Communication te (with outdoor unit) 5 Needle stand for in Interface of tempe sensor Up&down swing in sensor Left&right swing in sensor Connection with di sensor Name Neutral wire... - Page 23 Service Manual Outdoor Unit Silk Screen on Main Board Name Name Terminal of low pressure protection Terminal of compressor Terminal of high pressure protection 10 Terminal of 4-way valve Terminal of communication Output of transformer wire Terminal of outdoor pipe temp Input of transformer sensor Terminal of outdoor ambient temp...
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Page 24: Function And Control
6. Function and Control Service Manual 6.1 Function Buttons of Air Conditioner Buttons Name and Function ON/OFF button MODE button FAN button FUNCTION button ON/OF F button MODE FUNC. Introduction for icons on display screen of air conditioner Ambient temperature Timer Operation or set temperature... - Page 25 Service Manual Icon function introduction set only in heating mode). When timer or auxiliary heating icon is blinking, it means this function can be set. Press "▲" or "▼" Operation display button to set function. If there’s no operation change within 5s It indicates the air conditioner is put through the power.
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Page 26: Remote Controller Introduction
Service Manual 6.2 Remote Controller Introduction Buttons on remote controller ON/OFF button MODE button FAN button SAVE button COOL button HEAT button button button SLEEP button WiFi button X-FAN button button LIGHT button TIMER button Introduction for icons on display screen Set fan speed fan speed. - Page 27 Service Manual energy-saving function. When energy-saving function is started up, "SE" will be shown on remote controller, and air conditioner When selecting auto mode, air conditioner will operate will adjust the set temperature automatically according to ex- automatically according to the sensed temperature. Set factory setting to reach to the best energy-saving effect.
- Page 28 Service Manual 10. SLEEP button ● For the model with one outdoor unit and two indoor units, if any one of indoor units enters into power limiting function, the Under COOL or HEAT mode, press this button to start up sleep outdoor unit will enter into the set limiting power mode of indoor function.
- Page 29 Service Manual ① ④ ② ③ Fig.1 Fig.2 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.
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Page 30: Brief Description Of Models And Functions
Service Manual 6.3 Brief Description of Models and Functions 1.Summary ② Protection function (See function protection of this section) Temperature parameter (3) Drying mode ◆ Indoor set temperature (Tpreset) ① Operation condition and process ◆ Indoor ambient temperature (Tamb.) ◆ When Tamb. ＞ Tset+2℃ , the system starts drying and cooling. ◆... - Page 31 Service Manual ② If swing function is set when turning on the unit, the horizontal ② Defrosting condition and process louver will swing between L and D. In order to ensure heating effect, the unit will proceed defrosting Horizontal louver has 7 swing statuses: fan motor operates at low speed.
- Page 32 Service Manual 5.Protection function (more details please refer to (2) Sleep function maintenance section) ◆ If start up sleep function under cooling or drying mode, the (1) Freeze protection (applicable for cooling, drying and auto system will increase set temperature automatically within 3℃ and mode) then operate at increased temperature.
- Page 33 Service Manual protection is eliminated, button and remote control signals are available. (7) Indoor high temperature protection (applicable for heating and auto mode) When IDU fan motor is in turbo or high fan speed and Ttube≥56℃ , ODU fan motor stops operation; when Ttube≤49℃ , ODU fan motor starts operation again.
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Page 34: 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 35: Ewpe Smart App Operation Manual
Service Manual 6.5 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 36: Part Ii : Installation And Maintenance
7. Notes for Installation and Maintenance Service Manual Safety Precautions: Important! 11. For the air conditioner without plug, an air switch must 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. - Page 37 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 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 38 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 Pipe cutter Pipe expander Pipe bender...
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Page 39: Installation
8. Installation Service Manual 8.1 Installation Dimension Diagram 36/55K GVC48ALXL-M3NTC7A GVH48ALXL-M3NTC7A Away from wall (30cm at least for piping side) Away from obstacles Away from wall (30cm at least for piping side) Away from back side Drainage pipe Installation and Maintenance... - Page 40 Service Manual GVC48ALXL-M3NTC7B Away from wall (30cm at least for piping side) Away from obstacles Away from wall (30cm at least for piping side) Away from back side Installation and Maintenance...
- Page 41 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 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...
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Page 42: Installation Parts-Checking
Service Manual 8.2 Installation Parts-checking 3. Outdoor Unit: (1) Select a location where the noise and outflow air emitted by Name the outdoor unit will not affect neighborhood. Indoor unit (2) The location should be well ventilated and dry, in which the outdoor unit wont be exposed directly to sunlight or strong wind. -
Page 43: Installation Of Indoor Unit
Service Manual 8.5 Installation of Indoor Unit Step four: connect the pipe of indoor unit 1. Take out the left and right screw cover and then remove Step one: choosing installation Iocation the screws on air-inlet panel to remove the panel.(As show in Recommend the installation location to the client and then Fig.4) confirm it with the client. -
Page 44: Installation Of Outdoor Unit
Service Manual Step six: connect wire of indoor unit indoor and outdoor power cord 1. Make the power connection wire go through the cable- indoor unit gas pipe cross hole of indoor unit(As show in Fig.11) liquid pipe band power drain hose Fig.13 cable-cross... - Page 45 Service Manual Note: 3. Pretightening the union nut with hand. 1.Take sufficient protective measures when installing the 4. Tighten the union nut with torque wrench by referring to the outdoor unit. sheet below. 2.Make sure the support can withstand at least four times the unit weight.
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Page 46: Vacuum Pumping And Leak Detection
Service Manual Note: 8.8 Check after Installation and Test 1.The through-wall height of drain hose shouldn't be higher Operation than the outlet pipe hole of indoor unit.(As show in Fig.23) 1. Check After Installation 2.Slant the drain hose slightly downwards. The drain hose Check according to the following requirement after finishing can't be curved, raised and fluctuant, etc. -
Page 47: Maintenance
9. Maintenance Service Manual 9.1 Error Code List Display Method of Indoor Malfunction A/C Status Possible Causes Maintenance measures Unit Name Nixie tube display The unit will stop 1. The wiring terminal between indoor operation as it reaches ambient temperature sensor and the temperature point. - Page 48 Service Manual The unit will stop 1. The wiring terminal between outdoor operation as it reaches condenser temperature sensor and the temperature point. maiboard is loosened or poorly contacted; Outdoor During cooling and drying 2. There’s short circuit due to trip-over of condenser operation, the compressor the parts on maiboard;...
- Page 49 9. Maintenance Service Manual 1. The system is abnormal. (e.g.: blockage, etc) 2. Abnormal rotation speed of outdoor During cooling and drying motor (cooling ); High discharge operation, compressor and temperature ODU fan motor stop while Refer to Malfunction 3. Abnormal outdoor air intake (cooling); protection of IDU fan motor operates.
- Page 50 Service Manual Cooling: compressor and Malfunction outdoor fan stop operation, 1. Whether a jumper cap is installed protection of while indoor fan operates Refer to maintenance on the mainboard of ODU? outdoor unit Heating: compressor, flowchart 2. Is the mainboard of ODU damaged? jumper cap outdoor fan and indoor fan all stop operation...
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Page 51: Procedure Of Troubleshooting
Service Manual 9.2 Procedure of Troubleshooting ●Indoor unit: 1. Malfunction of Temperature Sensor (F1, F2, F3, F4, F5) Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ●... - Page 52 Service Manual 2. High pressure protection (E1) Start Are the display panel and main Connect the display panel with the Malfunction is board connected tightly? main board well eliminated. Are the OVC terminal on the main Connect the OVC terminal on the board connected well with the high Malfunction is main board with the high pressure...
- Page 53 Service Manual 3.Low pressure protection of compressor (E3) Start 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...
- Page 54 Service Manual 4. High discharge temperature protection of compressor (E4) Start Check the system; System is abnormal Problem Eliminate the blockage (such as blockage) is solved inside the system Check wiring and Problem Outdoor uni t’s mo tor is abnormal fan capacitor;...
- Page 55 Service Manual 5. Overcurent protection (E5) Start Is the supply voltage unstable Normal fluctuation is within 10% of Malfunction with big fluctuation the rated voltage on the nameplate is eliminated. Start Malfunction Adjust the supply voltage to Is the supply voltage too low is eliminated.
- Page 56 Service Manual 6. Communication malfunction (E6) Poor contact any line may lead to communication malfunction Installation and Maintenance...
- Page 57 Service Manual 7. High Temperature and Overload Protection (AP1 below means control board of outdoor unit) E8 Start Normal protection, please use it Unit restarts If the outdoor ambient temperature is after improving the outdoor ambient normally higher than 53°C? temperature Improve the radiating environment of Unit restarts...
- Page 58 Service Manual 8. Malfunction of detecting plate(WIFI) JF Start check if the connection wire are correctly connected detecting Replace the plate with the same model Is malfunction eliminated Replace the mainboard with the same model The end Installation and Maintenance...
- Page 59 Service Manual Outdoor unit 9. Malfunction of Protection of Outdoor unit Jumper Cap C4 Start Appearance of the Is there jumper cap on the mainboard? jumper cap Assemble the jumper cap with the same model Is malfunction eliminated Is the jumper cap inserted correctly and tightly? Insert the jumper cap tightly...
- Page 60 Service Manual 10. Malfunction of Insufficient fluorine protection F0 Troubleshooting for F0 malfunction Heat exchangers are Clean the heat exchangers and Malfunction is too dirty or the air inlet/outlet remove blockage of air inlet/outlet. eliminated. is blocked. Compressor doesn't work Malfunction is Make compressor run normally.
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Page 61: Troubleshooting For Normal Malfunction
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 its due to power failure. If yes, No power supply, or poor connection After energization, operation indicator isnt bright wait for power recovery. - Page 62 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 universal meter and find that the capacity is out of...
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Page 63: Exploded View And Parts List
10. Exploded View and Parts List Service Manual 10.1 Indoor Unit 36 35 The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 64 Service Manual Description Description Right Side Plate Sub-Assy Terminal Board Rear Plate Sub-Assy Motor Cover Right Air Guard Stepping Motor Top Cover Sub-Assy Air Guide Bushing Left Air Guard Guide Blade Lever Left Side Plate Sub-Assy Stepping Motor Evaporator Assy Crank 1 Air Guard Assy Air Louver 1...
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Page 65: Outdoor Unit
Service Manual 10.2 Outdoor Unit GVH36ALXH-K3NTC7A/O 10 11 The component is only for rererence;please refer to the actual product Installation and Maintenance... - Page 66 Service Manual Description Description Front Grill Valve Support Baffle Front Panel Assy Rear Grill Axial Flow Fan Capillary Sub-assy Brushless DC Motor Temperature Sensor Chassis Sub-assy Condenser Assy Drainage hole Cap Pipe Clamp Drainage Connecter Over Coil-assy Nut with Washer Top Cover Sub-Assy Clapboard Motor Support Sub-Assy...
- Page 67 Service Manual GVC36ALXH-K3NTC7A/O The component is only for rererence;please refer to the actual product Installation and Maintenance...
- Page 68 Service Manual Description Description Front Grill Rear Grill Front Panel Assy Capillary Sub-assy Axial Flow Fan Discharge Tube Sub-assy Brushless DC Motor Condenser Assy Chassis Sub-assy Pipe Clamp Nut with Washer Over Coil-assy Clapboard Top Cover Sub-Assy Inhalation Tube Sub-assy Motor Support Sub-Assy Compressor and fittings Left Side Plate...
- Page 69 Service Manual GVC48ALXL-M3NTC7A/O GVC48ALXL-M3NTC7B/O GVC55ALXL-M3NTC7A/O The component is only for rererence;please refer to the actual product Installation and Maintenance...
- Page 70 Service Manual Description Description Top Cover Assy Cut off Valve Electric Box Assy Cut off Valve Capacitor CBB61S Valve Cover AC Contactor Capillary Sub-assy Main Board Strainer Terminal Board Right Side Plate Assy Left Side Plate Handle Fan Motor Compressor and Fittings Axial Flow Fan Inhalation Tube Sub-assy Cabinet Assy...
- Page 71 Service Manual GVH48ALXL-M3NTC7A/O GVH55ALXL-M3NTC7A/O The component is only for rererence;please refer to the actual product Installation and Maintenance...
- Page 72 Service Manual Description Description Top Cover Assy Cut off Valve Electric Box Assy Cut off Valve Capacitor CBB61S Valve Cover AC Contactor Capillary Sub-assy Main Board Strainer Terminal Board Right Side Plate Assy Left Side Plate Handle Fan Motor Compressor and Fittings Axial Flow Fan Inhalation Tube Sub-assy Cabinet Assy...
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Page 73: Removal Procedure
11. Removal Procedure Service Manual 11.1 Removal Procedure of Indoor Unit Caution: discharge the refrigerant completely before removal. Note:Take C7A Panel for example. Step Procedure 1. Outside view of indoor unit 2. Remove air-in panel Open the screw cap, use the screwdriver to remove the screws at both sides of the air-in panel and then remove the air-in panel. - Page 74 Service Manual Step Procedure Holding position 3. Remove filter and middle air-in panel Filter Hold the holding position at the upper part of the filter and then draw it outwards to remove the filter. Middle air-in panel Remove 2 screws at the top of the air- in panel, pull the middle air-in panel upwards with hand and then remove the middle air-in panel.
- Page 75 Service Manual Step Procedure 5. Remove air-outlet panel Twist off 3 screws at the top of the air-outlet panel, 2 screws at the lower part and 2 screws under the screw caps; push the air-outlet panel upwards slightly and then remove the air-outlet panel.
- Page 76 Service Manual Step Procedure 7. Remove display box sub-assembly Big front panel sub- assembly Take out the connection wire of display Display box sub-assembly from the wire groove, twist off the 2 screws at the back of the display box and then disassemble the display box sub-assembly.
- Page 77 Service Manual Step Procedure 10. Remove wind board Twist off 10 screws used for fixing the wind board and then remove Wind board the wind board. 11. Remove top cover Top cover Twist off 7 screws used for fixing the top cover, pull it upwards and then remove the top cover.
- Page 78 Service Manual Step Procedure 12. Remove evaporator Twist off 3 screws on the evaporator, 2 screws in the middle and 2 screws at the lower part; Pull the left and right side plates to the outwards slightly and then take out the evaporator, baffle board as well as the water tray.
- Page 79 Service Manual Step Procedure 14. Remove chassis Twist off 9 screws and then pull the chassis downwards to remove it. Chassis 15. Remove left and right side plates Right side plate Twist off screws used for fixing both side plates, pull it to both sides and then remove left and right side plates.
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Page 80: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit Caution: discharge the refrigerant completely before removal. GVC36ALXH-K3NTC7A/O GVH36ALXH-K3NTC7A/O NOTE:Take heat pump for example. Step Procedure 1. Remove top cover top cover Remove the screws connecting the top cover with the front panel, the left side plate and the right side plate. - Page 81 Service Manual Step Procedure 4. Remove front panel front panel Remove the screws connecting the front panel with the chassis and the motor support. Remove the front panel. 5. Remove the rear grille Remove the screws connecting the rear grille with the left side plate and the right side plate.
- Page 82 Service Manual Step Procedure 7. Remove the left side plate Remove the screws connecting the left side plate and the chassis. Remove the left side plate. left side plate 8. Remove axial flow blade axial flow blade Remove the nut on the axial flow blade. Remove the blade.
- Page 83 Service Manual Step Procedure 10. Remove electric box sub-assy electric box assy Remove the screws connecting the electric box sub-assy and the isolation sheet. Remove the electric box sub-assy. 11. Remove the 4-way valve assy Unsolder the pipes connected to the compressor and the condenser.
- Page 84 Service Manual Step Procedure 13. Remove the compressor compressor Remove the 3 nuts fixing the compressor. Remove the compressor. 14. Remove the isolation sheet Remove the screws connecting the isolation sheet with the side board of condenser subassembly and the chassis.
- Page 85 Service Manual Step Procedure 16. Remove the condenser Remove the screw connecting the condenser and the chassis. Raise condenser the condenser to remove it. chassis Installation and Maintenance...
- Page 86 Service Manual 48/55K NOTE:Take heat pump for example. Step Procedure 1. Remove the top cover top cover Remove the screws fixing top cover and then remove the top cover. 2. Remove left side plate Remove the screws fixing the left side plate,Remove the left side plate.
- Page 87 Service Manual Step Procedure 4. Remove the front side plate Remove the 3 tapping screws fixing the front side plate. Take the front side plate outward to remove it. front side plate 5. Remove the cabinet Remove the connecting screws fixing the cabinet. Remove the cabinet.
- Page 88 Service Manual Step Procedure 7. Remove electric box subassembly electric box subassembl Remove the screws fixing the electric box cover. Disconnect the wire terminals and remove the electric box. 8. Remove axial flow blades Remove the nut on the axial flow blades. axial flow blades Remove the blades.
- Page 89 Service Manual Step Procedure 10. Remove the motor support Remove the screws connecting the motor support and motor support the chassis. Raise the motor support to remove it. 11. Remove the 4-way valve 4-way valve (Only available for heat pump unit) Remove the nut on the 4-way valve coil and then remove the coil.
- Page 90 Service Manual Step Procedure 13. Remove the compressor liquid tank Unsolder the pipes connected to the compressor and compressor liquid tank. Remove the 4 foot bolts of the compressor. Raise the liquid tank and compressor to remove them. 14. Remove the isolation sheet isolation sheet Remove the screws connecting the isolation sheet with the right side plate of condenser and the chassis.
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Page 91: 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 92: Appendix 3: Pipe Expanding Method
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 93: 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 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... - Page 94 JF00304809 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.