Related Manuals for Gree GWH18RC-K3DBA5E
Summary of Contents for Gree GWH18RC-K3DBA5E
- Page 1 Change for Life Service Manual Model: GWH18RC-K3DBA5E GWH18RC-K3DBA3E GWH24RD-K3DBA5E GWH24RD-K3DBA3E GWH24RD-K3DBA2A GWH24RD-K3DBA3A (Refrigerant R410A) GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...
-
Page 2: Table Of Contents
Service Manual Table of Contents Part : Technical Information ................. 1 1. Summary ........................1 ......................2 ......................2 ..................6 ............6 ............7 ........................7 3. Outline Dimension Diagram ................8 3.1 Indoor Unit.......................... 8 ........................9 4. Refrigerant System Diagram .............. - Page 3 Service Manual 9. Maintenance ......................... 35 ..................35 9.2 Error Code List ........................36 ................. 41 ................54 10. Exploded View and Parts’ List ..............56 10.1 Indoor Unit......................... 56 ........................61 11. Removal Procedure .................... 65 ..................65 ................. 72 Appendix: ..........................
-
Page 4: Part : Technical Information
Service Manual Part : Technical Information 1. Summary Indoor Unit: GWH18RC-K3DBA5E/I GWH24RD-K3DBA5E/I GWH18RC-K3DBA3E/I GWH24RD-K3DBA3E/I GWH24RD-K3DBA3A/I GWH24RD-K3DBA2A/I Outdoor Unit: GWH18RC-K3DBA5E/O GWH24RD-K3DBA5E/O GWH24RD-K3DBA2A/O Remote Controller:... - Page 5 Service Manual Parameter Unit GWH18RC-K3DBA5E GWH24RD-K3DBA5E Model GWH24RD-K3DBA3E GWH18RC-K3DBA3E CB304001600 CB304001500 CB302002300 CB302002400 Rated Voltage 220-240 220-240 Power Cooling Capacity 5275 6450 Heating Capacity 5600 6450 1620 1940 1650 1910 7.19 7.10 2500 4000 12.42 17.40 850/780/740/300/- 1000/800/700/600/- 3.26 3.32 3.39...
- Page 6 Service Manual GWH18RC-K3DBA5E/O GWH24RD-K3DBA5E/O ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR CO., LTD CO,LTD Compressor Model Compressor Oil 68EP RB68EP Compressor Type Rotary Rotary L.R.A. 25.00 25.00 Compressor RLA 7.20 11.50 1440 2550 1NT11L-6233 1NT11L-6233 Capillary Capillary Operation temp 16~30 16~30...
- Page 7 Service Manual Parameter Unit GWH24RD-K3DBA2A Model GWH24RD-K3DBA3A CB301001900 CB302001300 Rated Voltage 220-240 Power Cooling Capacity 6450 Heating Capacity 6450 1925 1925 3800 17.40 1000/800/700/600/- 3.35 3.35 SEER Application Area 23-34 GWH24RD-K3DBA2A/I GWH24RD-K3DBA3A/I r/min 1350/1150/950/850/- r/min 1400/1200/1000/900/- 0.31 Pipe Diameter Indoor 2-1.5 Unit Swing Motor Model...
- Page 8 Service Manual GWH24RD-K3DBA2A/O ZHUHAI LANDA COMPRESSOR CO,LTD Compressor Model Compressor Oil RB68EP Compressor Type Rotary L.R.A. 25.00 Compressor RLA 11.00 2476 1NT11L-6233/HPC115/95/KSD115 Capillary Operation temp 16~30 Ambient temp (cooling) -15~43 -20~24 Pipe Diameter 2-1.4 0.48 Unit 4000 Climate Type Isolation IP24 dB (A) 58/52/50...
-
Page 9: Operation Characteristic Curve
Service Manual 2.2 Operation Characteristic Curve Cooling Heating 220V Conditions 220V Indoor:DB27°C/WB19°C Outdoor:DB35°C Indoor air flow:Super High 230V Pipe length:5m 230V 240V Conditions Indoor:DB20°C 240V Outdoor:DB7°C/WB6°C Indoor air flow:Super High Pipe length:5m 10 20 30 40 50 60 70 80 90 100 Compressor speed (rps) Compressor speed (rps) 2.3 Capacity Variation Ratio According to Temperature... -
Page 10: Noise Curve
Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Rated cooling condition( connecting indoor and Compressor (DB/WB) Model of indoor Indoor P (MPa) T1 ( T2 ( in:12~14 in:75~85 27/19 35/24 0.9~1.1 in:12~14 in:75~85 27/19 35/24 0.9~1.1 Heating: connecting indoor and Compressor... -
Page 11: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit 18K: Φ55 Φ55 24K: Φ70 Φ70 Unit:mm Models 1018... - Page 12 Service Manual 3.2 Outdoor Unit Unit:mm 1000 Unit:mm Installation and Maintenance...
-
Page 13: Refrigerant System Diagram
Service Manual 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 Capillary Strainer Strainer COOLING HEATING... -
Page 14: Electrical Part
Service Manual 5. Electrical Part 5.1 Wiring Diagram Symbol Symbol Color Symbol Symbol Color Symbol Name Green Yellow Brown COMP Compressor YEGN Yellow/Green Violet Orange... - Page 15 Service Manual GWH18RC-K3DBA5E/O GWH24RD-K3DBA5E/O Please don't touch any terminal when the voltage of terminal P(DC+) and N(DC-) at AP1 is higher than 30V to prevent the risk of electric shock !
- Page 16 Service Manual GWH24RD-K3DBA2A/O...
-
Page 17: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor Unit: Name Control interface of PG motor Interface of indoor Up & down swing indoor fan Interface of display Interface of display sensor interface sensor interface... - Page 18 Service Manual Outdoor Unit GWH18RC-K3DBA5E/O ● Top view Name Terminal of compressor wire Terminal of compressor Terminal of electronic Wiring terminal of wire ● Bottom view...
- Page 19 Service Manual GWH24RD-K3DBA5E/O GWH24RD-K3DBA2A/O Top view Name Terminal of compressor wire protection Terminal of compressor Terminal of electronic wire Bottom view...
-
Page 20: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Buttons on Remote Controller ON/OFF button - button + button MODE button H O U R ONOFF FAN button SWING button I FEEL button button SLEEP button TEMP button TIMER-ON button CLOCK button TIMER-OFF button TURBO... - Page 21 Service Manual 2. - Button 3. + Button 4. MODE Button 5. FAN Button 6. SWING Button 7. I FEEL Button Button 9. SLEEP Button 10. TEMP Button no display...
- Page 22 Service Manual 11. TIMER-ON Button 12. CLOCK Button 13. TIMER-OFF Button same as TIMER ON. 14. TURBO Button 15. LIGHT Button disappears. 16. X-FAN Button Combination of "+" and "-" buttons: About lock Combination of "MODE" and "-" buttons:About switch between Fahrenheit and centigrade Combination of "TEMP"...
- Page 23 Service Manual Replacement of Batteries in Remote Controller battery Note: reinstall remove Cover of battery box batteries. Emergency Operation Panel Emergency operation switch...
-
Page 24: Brief Description Of Modes And Functions
Service Manual 6.2 Brief Description of Modes and Functions Indoor Unit Temperature Parameter Room setting temperature (T preset Room ambient temperature (T .) (temperature sensor :15K, partial pressure resistance:15K) Surface temperature of copper pipe for indoor heat exchanger (T ) (temperature sensor: 20K, partial pressure resistance: 20K) indoor tube 1. - Page 25 Service Manual When multiple malfunctions occurred simultaneously, malfunction protection codes will be displayed in cycle. 3.Other Control Target (1) Up&down swing function: the mode for swing motor is MP28VB(18K),MP35XX(24K). air outlet. （0℃） If swing function has not been set after startup of the unit, up & down horizontal louver will clockwise turn to position D in HEAT mode, or clockwise turn to level position L in other modes.
- Page 26 Service Manual (3) Timer Change: Timer ON and Timer OFF can be set via remote ON/OFF button,Timer time can be reset and the system will operate according to the latest setting. When the unit is on and Timer ON and Timer OFF are both set,the system will operate according to the set state.When the timer off time is reathed,the system will stop.
-
Page 27: Outdoor Units
Service Manual Outdoor Units 1. Input Parameter Compensation and Calibration (1) Check the input parameter compensation function As the instruction feature of split unit, concerning the comfortable, in heating mode, the indoor ambient temperature of compressor stopping time is higher than preset temperature. (2) Check effective judgment controls of parameters Effective judgment function of the outdoor exhaust temperature thermo-bulb When conditions a and b are satisfied, the outdoor exhaust temperature thermo-bulb is judged not to be connected into place, the... - Page 28 Service Manual (6) Compressor Control 1. The frequency of compressor will be controlled with the relationship of ambient temperature and preset temperature and changing speed of ambient temperature; 2. Start the compressor after starting cooling, heating, dry operations, and the outdoor fan start for 5s; 3.
-
Page 29: Part : Installation And Maintenance
Service Manual Part : 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 Important! from the manufacture or distributor. Prohibit prolong the wire by yourself. - Page 30 Service Manual Main Tools for Installation and Maintenance 1. Level meter, 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.
-
Page 31: Installation
Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall Space to the wall At least 15cm At least 15cm Drainage pipe Installation and Maintenance... -
Page 32: Installation Procedures
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... -
Page 33: Selection Of Installation Location
Service Manual 8.2 Installation Parts-checking 8.4 Electric Connection Requirement 1. Safety precaution Name Name Wrapping tape Connection pipe Drainage pipe frame Connecting conditioner. cable(power cord) remote controller Wall pipe Air-conditioner Note: 8.3 Selection of Installation Location 1. Basic Requirement: 2. Grounding requirement: 2. - Page 34 Service Manual 5. Connect the Pipe of Indoor Unit 3. Install Wall-mounting Frame Open-end wrench Union nut Pipe Pipe joint Union nut Pipe Torque wrench Indoor pipe Insulating pipe Indoor Outdoor 15~20 Φ55/70 30~40 ° 5-10 45~55 60~65 Note: 70~75 6.
- Page 35 Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe Panel Screw Wiring cover Indoor and outdoor power cord Indoor unit pipe Cable-cross hole Liquid pipe Band Power connection Drain hose wire Drain hose Connection pipe Band Indoor power cord Cooling and heating unit Note: blue...
-
Page 36: Installation Of Outdoor Unit
Service Manual 8.6 Installation of Outdoor Unit 1. Fix the support of outdoor unit(select it according to the actual installation situation) 15~20 30~40 45~55 60~65 expansion screws. 70~75 Note: 5. Connect Outdoor Electric Wire yellow- green blue brown blue yellow- black brown green... -
Page 37: Check After Installation And Test Operation
Service Manual 8.8 Check after Installation and Test Operation 1. Check after Installation installation. The drain hose can't be fluctuant The water outlet emit noise. can't be placed The drain hose in water can't be fluctuant The water outlet can't be fluctuant water dripping. -
Page 38: Maintenance
Service Manual 9. Maintenance 9.1 Precautions before Maintenance electrolytic capacitor after power off. maintenance safely. Installation and Maintenance... -
Page 39: Error Code List
Service Manual 9.2 Error Code List Unit Possible Reasons Name 0.5s) Code Operation Cool Heating Display Indicator Indicator Indicator (D40) (D41) (D42) (D43) Antifreezing operation, compressor and protection twice indoor fan operates. operation, compressor and protection of times compressor operation, all loads stop. operation, compressor and protection times... - Page 40 Service Manual off 3s 2.Indoor control board AP1 motor no times off 3s cap poor connected please protection 15 times 1.Room temp sensor is Indoor ambient off 3s indoor fan motor is sensor open control panel AP1 once 2.Room temp sensor is damaged Indoor sensor is...
- Page 41 Service Manual mode. Compressor will O N 1 0 s operate Defrosting 0.5s operation. 1. Wiring terminal OVC-COMP operation, compressor will is loosened. In normal state, stop protection for compressor 3 times operation. operation, compressor will analysis (IPM protection, loss stop IPM protection 5 times...
- Page 42 Service Manual operation, compressor will panel AP1 stop EEPROM 15 times operation, compressor will stop analysis of capacitor capacitor 17 times operation, compressor will panel AP1 stop 18 times de-energized for 20mins, protection 19 times replace control panel AP1. operation, compressor will stop dropping for 20 times...
- Page 43 Service Manual Off 3s abnormal 32 of zero-cross of indoor control derection mainboard is times abnormal Cooling O f f 3 s C o m p r e s s o r Pls refer to lose steps times for 20 mins and IPM temp.is too limit/decrease board AP1...
-
Page 44: Troubleshooting For Main Malfunction
Service Manual 9.3 Troubleshooting for Main Malfunction 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 Is there short circuit due to trip - over of the parts? Make the parts upright... - Page 45 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 46 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 47 Service Manual 4. 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 48 Service Manual 5. 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 49 Service Manual 6.Capacity charging malfunction (outdoor unit malfunction) (AP1 below means control board of outdoor unit) Main detection points: Turn on the unit and wait 1 minute Use AC voltmeter to measure the voltage on the two ends of electrolytic capacitor (see fig 30) Malfunction of Replace outdoor...
- Page 50 Service Manual 7.IPM protection(H5), desynchronizing malfunction(H7), overcurrent of compressor phase current (P5) (AP1 below means control board of outdoor unit) Main detection points: H5, H7 or P5 is displayed after turning on the unit Measure if the voltage The unit starts Repair power supply to make input is within 180~265V Restart the unit...
- Page 51 Service Manual 8.High temperature and overload protection (E8)(AP1 below means control board of outdoor unit) Main detection points: E8 is displayed Normal protection, please If the outdoor Unit restarts use it after improving the ambient temperature is higher normally outdoor ambient temperature than 53℃? Improve the radiating environment If the radiating of indoor...
- Page 52 Service Manual 9.Start-up failure (LC) (AP1 below means control board of outdoor unit) Main detection points: Turn on the unit The stop time is not sufficient and If the stop time of compressor the high and low pressure of system is more than 3min? is not balanced , please start the unit after 3min...
- Page 53 Service Manual 10.Overload and high discharge temperature malfunction Main detection points: Installation and Maintenance...
- Page 54 Service Manual H3 or E4 is displayed 30min after power off the unit If the overload protector SAT is well connected? Under ambient temperature, test the resistance of overload protector with ohmmeter; resistance value should be＜1000ohm Connect wire If the wiring terminal FA of electronic according to wiring expansion valve is well connected? diagram...
- Page 55 Service Manual 11.PFC (correction for power factor) malfunction (outdoor unit malfunction) Main detection points: start If power plug is connected Is the malfunction Connect the plug correctly well with the socket eliminated? Check the connection wire between reactor mainboard and situation of connection Reconnect the wire or Power on and If there is short circuit or the...
- Page 56 Service Manual 12.Communication malfunction (E6) Main detection points: If the unit operates normally before malfunction Check the connection wire according to the wiring diagram. Check built-in wiring If the connection wire of indoor and outdoor is connected well? unit Reconnect the wire or Replace the If the wiring is replace the connection...
-
Page 57: Troubleshooting For Normal Malfunction
Service Manual 9.4 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up connected well. Wrong wire connection between or poor connection for wiring terminals reliably correctly once improper Replace batteries for remote controller Repair or replace remote controller 2. - Page 58 Service Manual 4. ODU fan Motor Can't Operate Connect wires according to wiring diagram to Wrong wire connection, or poor connection diagram damaged fan capacitor. is bad and ODU compressor generates a lot of 5. Compressor Can't Operate Connect wires according to wiring diagram to Wrong wire connection, or poor connection diagram...
-
Page 59: Exploded View And Parts' List
Service Manual 10. Exploded View and Parts’ List 10.1 Indoor Unit GWH18RC-K3DBA3E/I GWH18RC-K3DBA5E/I Installation and Maintenance... - Page 60 Service Manual Part Code Description GWH18RC-K3DBA5E/I GWH18RC-K3DBA3E/I CB304N01600 CB302N02300 20012914 20012760 Display Board 30565139 30565121 11122089 11122089 242520179 24252016 2001266701 20012667 Rear Case assy 22202193 22202193 1051220501 10512205 1051211602 1051211602 2611222802 2611222802 2611223802 2611223802 10512037 10512037 76712012 76712012 10352019 10352019...
- Page 61 Service Manual GWH24RD-K3DBA3E/I GWH24RD-K3DBA5E/I GWH24RD-K3DBA2A/I GWH24RD-K3DBA3A/I Installation and Maintenance...
- Page 62 Service Manual Part Code Description GWH24RD-K3DBA5E/I GWH24RD-K3DBA3E/I CB304N01500 CB302N02400 20012957 20012871 1112209105 1112209101 242520179 24252016 2001297401 2001297402 1051215901 1051215901 2611218702 2611218702 10512037 10512037 2220219701 2220219701 Rear Case assy 76712012 76712012 26152025 26152025 Ring of Bearing 7651205102 7651205102 10352030 10352030 24212103 24212103 0100257205 0100257205...
- Page 63 Service Manual Part Code Description GWH24RD-K3DBA3A/I GWH24RD-K3DBA2A/I CB302N01300 CB301N01900 20012871 20012757 11122091 11122091 24252016 242520179 2001297402 2001297401 1051215901 1051215901 2611218702 2611218702 10512037 10512037 20022555 20022555 Rear Case assy 76712012 76712012 26152025 26152025 Ring of Bearing 7651205102 7651205102 10352030 10352030 24212139 24212139 01002386 01002386...
-
Page 64: Outdoor Unit
Service Manual 10.2 Outdoor Unit GWH18RC-K3DBA5E/O Installation and Maintenance... - Page 65 Service Manual Part Code Description GWH18RC-K3DBA5E/O CB304W01600 1501506402 Terminal Board 42010194 Electric Box 20113027 Radiator 49010252 Main Board 30148799 Electric Box Assy 02613949 Left Handle 26233053 Left Side Plate 01305093P 01705036 Coping 01255005P Reactor 43130025 01232902 Condenser Assy 01163487 Rear Grill...
- Page 66 Service Manual GWH24RD-K3DBA5E/O GWH24RD-K3DBA2A/O Installation and Maintenance...
- Page 67 Service Manual Part Code Description GWH24RD-K3DBA5E/O GWH24RD-K3DBA2A/O CB304W01500 CB301W01900 22415003 22413026 Cabinet 01435004P 01435004P 26235401 26235401 01305086P 01305086P Drainage Connecter 02803316P 02803315P 0010524501G 00105251 Magnet Coil 4300040033 4300040045 03073124 03025497 0171501201P 0170506101P 07133812 07133934 07133157 07130239 01365435P 0130504401P 0130504401P 22245003 22245003 Big Handle 26235001...
-
Page 68: Removal Procedure
Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit 1. Before disassembly Before disassembly Remove the filter Open the front panel. panel Push the filter upward and then pull it outward to remove it. Installation and Maintenance... - Page 69 Service Manual Remove the horizontal louver Remove the axile bush on the horizontal louver. axile bush Pull the horizontal louver outward to remove it. horizontal louver 4. Remove the panel panel Loosen the screws fixing the indicator. Remove the indicator. display Along the groove fixing front panel, slide the rotor shaft outward to remove the...
- Page 70 Service Manual Remove the electric box cover Loosen the screw of the electric box cover. electric box cover Remove the electric box cover. Remove the front case Open the screw cap on the front case. Remove the screws fixing the front case. clasps Loosen the clasps of the front case.
- Page 71 Service Manual Remove the front case. front case 7. Remove the vertical louver Loosen the 10 clasps connecting the vertical louver and bottom case subassembly. clasps Remove the vertical louver. vertical louver 8. Remove the electric box subassembly temperature sensor Disconnect the indoor tube temperature sensor.
- Page 72 Service Manual ground wire screw Remove the screws at the joint of the ground wire and evaporator. Loosen the clasp at the joint of the electric box cover and the electric box. electric box Disconnect the wiring terminal of the wiring terminal motor and step motor on the electric of motor...
- Page 73 Service Manual 9. Remove press plate of connecting pipe Pipe Clamp Auxiliary piping Remove the screws of the press plate of connecting pipe. Remove press plate of connecting pipe. 10. Remove the evaporator Remove the screws at the joint of the evaporator and bottom case.
- Page 74 Service Manual Auxiliary piping Adjust the pipe slightly to separate the connecting pipe and the evaporator. Remove the evaporator. evaporator 11. Remove motor and cross flow fan step motor Remove the screw of the step motor and remove the step motor. Remove the screw of the motor press press plate plate.
-
Page 75: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. GWH18RC-K3DBA5E/O Step Procedure screw screw screw screw cabinet... - Page 76 Service Manual Step Procedure grille and cabinet screw grille screw screw cabinet screw screw grille. screw screw side plate. screw screw Installation and Maintenance...
- Page 77 Service Manual Step Procedure grounding wire retainer （２） high and low pressure switch Terminal of Terminal of 4-way valve compressor Terminal of overload outdoor fan protection Terminal of temperature sensor circlip PFC induction Terminal of wire compressor wire Installation and Maintenance...
- Page 78 Service Manual Step Procedure screws electric box assy electric box clasp(right) cover clasp(left) screws screws screws screws screws screws Installation and Maintenance...
- Page 79 Service Manual Step Procedure sticking stripe soundproof sponge screw isolation plate screw screw reactor screw Installation and Maintenance...
- Page 80 Service Manual Step Procedure Note: bolts Note: stopper screw Installation and Maintenance...
- Page 81 Service Manual Step Procedure motor screw condenser screw screw compressor Note: damping Installation and Maintenance...
- Page 82 Service Manual GWH24RD-K3DBA5E/O GWH24RD-K3DBA2A/O Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. Steps Procedure 1. Remove top cover and front side plate top panel Use the screwdriver to remove the screws connecting the top panel and panel and side panels.
- Page 83 Service Manual Steps Procedurs 3. Remove panel Twist off the screws connecting the panel, chassis and motor support with screwd- river, and then remove the panel. panel 4. Remove guard grille guard grille Twist off the screws fixing the guard grille and then remove the guard grille.
- Page 84 Service Manual Steps Procedure 6. Remove right side plate right side plate Twist off the screws connecting the right side plate and chassis, valve support and condenser, and then remove the right side plate. 7. Remove electric box electric box cover Twist off the screws on electric box cover with screwdriver, and then remove the electric box cover.
- Page 85 Service Manual Steps Procedure electric box 1 Twist off the screws between electric box 1 and left side plate with screw- driver, pull it upwards to remove the electric box 1. 8. Remove left side plate left side plate Twist off the screws connecting the left side plate and chassis with screwdriver, and then remove the left side plate.
- Page 86 Service Manual Steps Procedure 10. Remove motor and motor support Twist off the tapping screws fixing the motor, pull out the pin of leading wire for motor and then remove the motor. motor motor support Twist off the tapping screws fixing the motor support, pull it upwards and then remove the motor support.
- Page 87 Service Manual Steps Procedure 12. Remove gas valve and liquid valve Twist off the 2 bolts fixing the valve sub-assy. Unsolder the soldering joint between gas valve and air-return pipeand then remove the gas valve.(note: when unsoldering the soldering joint, wrap the gas valve with wet cloth completely to avoid the damage to valve, and release all refrigerant completely at...
- Page 88 Service Manual Steps Procedure 15. Remove support plate of condenser Twist off the screws connecting the support plate of condenser and condenser with screwdriver, and then remove the support plate of condenser. support plate of condenser 16. Remove chassis and condenser Pull it upwards to separate the chassis and condenser.
-
Page 89: 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 display display display 60.8 69/70 69.8 78/79 78.8 62/63 62.6 71/72 71.6 80/81 80.6 64/65 64.4 73/74 73.4 82/83 82.4 66/67... -
Page 90: Appendix 3: Pipe Expanding M
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 Pipe Shaper Downwards Union pipe Pipe Hard mold Note: Expander A(mm) - Page 91 Service Manual Appendix 4: List of Resistance for Ambient Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp( Temp( Temp( Temp( 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454 0.98 108.7 15.68...
- Page 92 Service Manual Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(20K) Temp( Temp( Temp( Temp( 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 4.289 1.233 129.9 19.14 4.14 1.198...
- Page 93 Service Manual Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(50K) Temp( Temp( Temp( Temp( 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 4.08 580.6 73.83 14.62 3.96...
- Page 94 GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 Email: gree@gree.com.cn Http://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...
Need help?
Do you have a question about the GWH18RC-K3DBA5E and is the answer not in the manual?
Questions and answers