Related Manuals for Gree GWH09ACC-S6DBA1A
Summary of Contents for Gree GWH09ACC-S6DBA1A
- Page 1 Change for life Service Manual Models: GWH09ACC-S6DBA1A GWH12ACC-S6DBA1A GWH18ACE-S6DBA1A GWH24ACE-S6DBA1A (Refrigerant R32) GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
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Page 2: Table Of Contents
5.2 PCB Printed Diagram ....................17 6. Function and Control ..................20 6.1 Remote Controller Introduction ................20 6.2 GREE+ App Operation Manual ................25 6.3 Ewpe Smart App Operation Manual ..............26 6.4 Brief Description of Modes and Functions ...........27 Part Ⅱ : Installation and Maintenance ..........32... - Page 3 Service Manual 8.4 Requirements for electric connection ............38 8.5 Installation of Indoor Unit ..................38 8.6 Installation of Outdoor Unit ................41 8.7 Vacuum Pumping and Leak Detection ............42 8.8 Check after Installation and Test Operation ..........42 9. Maintenance ......................43 9.1 Error Code List ......................43 9.2 Procedure of Troubleshooting ................49...
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Page 4: Part Ⅰ : Technical Information
Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit: GWH09ACC-S6DBA1A/I GWH12ACC-S6DBA1A/I GWH18ACE-S6DBA1A/I GWH24ACE-S6DBA1A/I Outdoor Unit: GWH09ACC-S6DBA1A/O GWH12ACC-S6DBA1A/O GWH24YE-S6DBA2A/O GWH18ACE-S6DBA1A/O Remote Controller: YAG1FB3(WiFi) Technical Information... - Page 5 Service Manual Models List: Indoor product Outdoor Remote Model Product code Indoor model Outdoor model code product code Controller 1 GWH09ACC-S6DBA1A CB497009200 GWH09ACC-S6DBA1A/I CB497N09200 GWH09ACC-S6DBA1A/O CB497W09200 CB497010000 CB497N10000 GWH12ACC-S6DBA1A GWH12ACC-S6DBA1A/I GWH12ACC-S6DBA1A/O CB497W10000 CB497010001 CB497N10001 YAG1FB3 CB497011000 CB497N11000 (WiFi) GWH18ACE-S6DBA1A GWH18ACE-S6DBA1A/I...
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Page 6: Specifications
Service Manual 2. Specifications 2.1 Specification Sheet Model GWH09ACC-S6DBA1A GWH12ACC-S6DBA1A Product Code CB497009200 CB497010000/CB497010001 Rated Voltage 220-240 220-240 Power Rated Frequency 50/60 50/60 Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 2700 3530 Heating Capacity 3500 4200 Cooling Power Input... - Page 7 Service Manual Model of Outdoor Unit GWH09ACC-S6DBA1A/O GWH12ACC-S6DBA1A/O Outdoor Unit Product Code CB497W09200 CB497W10000 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO., LTD CO., LTD Compressor Model QXFT-B123zE170B QXFT-B123zE170 Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L.R.A. Compressor RLA...
- Page 8 Service Manual Model GWH18ACE-S6DBA1A GWH24ACE-S6DBA1A Product Code CB497011000/CB497011001 CB497010701 Rated Voltage 220-240 220-240 Power Rated Frequency 50/60 50/60 Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 5300 7034 Heating Capacity 6200 7034 Cooling Power Input 1180 1850 Heating Power Input 1450 1750 Cooling Power Current...
- Page 9 Service Manual Model of Outdoor Unit GWH18ACE-S6DBA1A/O GWH24YE-S6DBA2A/O Outdoor Unit Product Code CB497W11000 CB466W00301 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO., LTD CO., LTD Compressor Model QXFT-D20zF030 QXFT-D20zF030 Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L.R.A. Compressor RLA 10.5 Compressor Power Input 2260...
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Page 10: Operation Characteristic Curve
Service Manual 2.2 Operation Characteristic Curve Cooling Heating Cooling Heating Condition Condition Indoor:DB 20°C Indoor:DB27°C WB19°C Indoor air flow: Super High Indoor air flow: Super High Pipe length:5m Pipe length:5m Compressor Frequency(Hz) Compressor Frequency(Hz) Technical Information... -
Page 11: Capacity Variation Ratio According To Temperature
Service Manual 2.3 Capacity Variation Ratio According to Temperature Cooling Heating Condition Conditions Indoor:DB 20°C Indoor:DB27°C/WB19°C Indoor air flow:Super High Indoor air flow:Super High Pipe length: 5m Pipe length: Outdoor temp.(°C) Outdoor temp(°C) Cooling Heating Condition Conditions Indoor:DB 20°C Indoor:DB27°C/WB19°C Indoor air flow:Super High Indoor air flow:Super High Pipe length:... -
Page 12: Cooling And Heating Data Sheet In Rated Frequency
Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Rated cooling Pressure of gas pipe Inlet and outlet pipe Compressor condition(°C) connecting indoor and temperature of heat Fan speed of Fan speed of Model frequency (DB/WB) outdoor unit exchanger indoor unit outdoor unit... -
Page 13: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Φ55/70 Φ55/70 Unit:mm Models 201.5 541.5 1122 Technical Information... -
Page 14: Outdoor Unit
Service Manual 3.2 Outdoor Unit GWH09ACC-S6DBA1A/O GWH12ACC-S6DBA1A/O Unit:mm GWH24YE-S6DBA2A/O 1000 Unit:mm Technical Information... - Page 15 Service Manual GWH18ACE-S6DBA1A/O 1000 Unit:mm Technical Information...
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Page 16: Refrigerant System Diagram
Service Manual 4. Refrigerant System Diagram Cooling & Heating model INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE 4-Way valve Discharge HEAT EXCHANGE (EVAPORATOR) Accumlator Suction COMPRESSOR HEAT EXCHANGE (CONDENSER) Intercooler LIQUID SIDE Electron Strainer Strainer Strainer Capillary Strainer 2-WAY VALVE expansion valve COOLING... -
Page 17: Electrical Part
Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ● Indoor Unit GWH09ACC-S6DBA1A/I GWH12ACC-S6DBA1A/I(CB497N10000/CB497N10001) 60000700030904 Technical Information... - Page 18 Service Manual GWH18ACE-S6DBA1A/I(CB497N11000/CB497N11001) GWH24ACE-S6DBA1A/I 60000700033807 ● Outdoor Unit GWH09ACC-S6DBA1A/O GWH12ACC-S6DBA1A/O 60000706165401 Technical Information...
- Page 19 Service Manual GWH18ACE-S6DBA1A/O 600007062268 GWH24YE-S6DBA2A/O 600007062261 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 20: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram ● Indoor Unit Top view Name Neutral wire Needle stand for indoor fan Auto button Up&down swing interface Grounding wire Interface of temperature sensor Terminal for display board connection Terminal of jumper cap Communication wire Fuse Live wire interface Interface of health function... - Page 21 Service Manual ● Outdoor Unit GWH09ACC-S6DBA1A/O GWH12ACC-S6DBA1A/O Top view Name 4 5 6 8 9 10 Terminal of compressor Overload Terminal of compressor Terminal of temperature sensor Terminal of electronic expansion valve 1 Terminal of electronic expansion valve 2 Low-temperature cooling...
- Page 22 Service Manual GWH18ACE-S6DBA1A/O GWH24YE-S6DBA2A/O ● Top view Name 1 Interface of compressor Interface of temperature sensor Terminal of compressor overload protection Low-temperature cooling sensor 5 Cooling A valve 6 Cooling B valve 7 Interface of outdoor motor 8 Interface of 2-way valve 9 Interface of 4-way valve Terminal of chassis electric heating...
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Page 23: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction ON/OFF button FAN button MODE button +/- button TURBO button button button CLOCK button TIMER ON/ WiFi TIMER OFF button TEMP button button (before opening cover (after opening cover I FEEL button ON/OFF button LIGHT button FAN button... - Page 24 Service Manual ATUO Low fan Medium-low fan Medium fan Medium-high fan High fan Note: It’s Low fan speed under Dry mode. X-FAN function：Hold fan speed button for 2s in COOL or DRY mode, the icon “ ” is displayed and the indoor fan will continue operation for a few minutes in order to dry the indoor unit even though you have turned off the unit.
- Page 25 Service Manual Note: Outdoor temperature display is not available for some models. At that time, indoor unit receives " " signal, while it displays indoor set temperature. NOTE: This function is applicable to partial of models. Press this button once, to turn on the I FEEL function, then the figure of "I FEEL"will be displayed, after every press of other function button, every 200ms to sendI FEEL once, after this function started, the remote controller will send temperatureto the main un it in every 10 minutes.
- Page 26 Service Manual (4) When setting the initial temperature 30℃, under this temperature setting, after 7hours, the temperature will be decreased 1℃, after that the unit will keep onrunning under this temperature; In Heat mode: (1) Under the initial presetting temperature 16℃, it will run under this setting temperature all along. (2) Under the initial presetting temperature17℃-20℃, after Sleep function started up, the temperature will decrease 1℃...
- Page 27 Service Manual 1. After powered on, press ON/OFF button, the unit will start to run. (Note: When it is powered on, the guide louver of main unit will close automatically.) 2. Press MODE button, select desired running mode. WiFi 3. Pressing + or - button, to set the desired temperature. 4.
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Page 28: 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 29: Ewpe Smart App Operation Manual
Service Manual 6.3 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 30: Brief Description Of Modes And Functions
Service Manual 6.4 Brief Description of Modes and Functions 1. Temperature Parameters ◆ Indoor preset temperature (T preset ◆ Indoor ambient temperature (T amb. 2. Basic Functions Once energized, in no case should the compressor be restarted within less than 3 minutes. In the situation that memory function is available, for the first energization, if the compressor is at stop before de-energization, the compressor will be started without a 3-minute lag;... - Page 31 Service Manual ◆ When compressor is running (not including each malfunction and protection): a.When outdoor ambient temperature≥20°C(68°F) and indoor fan speed is low or medium, the fan speed will turn to high; if indoor fan speed is high or super high, it will keep the same. b.When outdoor ambient temperature≤18°C(64.4°F) , the fan speed will resume set fan speed.
- Page 32 Service Manual c.For heating and cooling unit, when 22°C(71.6°F)<Tindoor ambient<26°C(78.8°F) (for cooling only unit, 22°C(71.6°F)<Tindoor ambient<26°C)(78.8°F), it will keep the original running mode. If the unit is energized for the first time, it will run in fan mode. ② Protection a.
- Page 33 Service Manual 1. In cooling mode: 1.1 When the initial set temperature is16-23°C(60.8~73.4°F),the temperature will rise 1°C(1.8°F) by every hour after sleep function is set;the temperature will not change after rising 3°C(5.4°F) ;after running for 7hours,the temperature will decrease1°C(1.8°F) and it will not change after that.
- Page 34 Service Manual 1. Under heating mode: auto speed under heating or auto heating mode: a. When T ≤T +1°C(1.8°F), indoor fan will operate at high speed; amb. preset b. When T +1°C(1.8°F)<T <T +3°C(5.4°F), indoor fan will operate at medium speed; preset amb.
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Page 35: Part Ⅱ : Installation And Maintenance
Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: connection wire from the manufacture or distributor. Prohibit prolong the wire by yourself. Important! 11. For the air conditioner without plug, an air switch must be installed in the circuit. - Page 36 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 37 Service Manual Safety Operation of Flammable Refrigerant Qualification requirement for installation and maintenance man ●All the work men who are engaging in the refrigeration system should bear the valid certification awarded by the authoritative organization and the qualification for dealing with the refrigeration system recognized by this industry. If it needs other technician to maintain and repair the appliance, they should be supervised by the person who bears the qualification for using the flammable refrigerant.
- Page 38 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.
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Page 39: Installation
Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall At least 15cm At least 15cm Space to the wall Drainage pipe Drainage pipe Installation and Maintenance... - Page 40 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 41: Installation Parts-Checking
Service Manual 8.4 Requirements for electric connection 8.2 Installation Parts-checking 1. Safety Precaution Name Name (1) Must follow the electric safety regulations when installing Indoor unit Sealing gum the unit. (2) According to the local safety regulations, use qualified Outdoor unit Wrapping tape power supply circuit and air switch. - Page 42 Service Manual (2) Drill the screw fixing holes on the wall with impact drill (the 5. Connect the Pipe of Indoor Unit specification of drill head should be the same as the plastic (1) Aim the pipe joint at the corresponding bellmouth.(As show expansion particle) and then fill the plastic expansion particles in Fig.5) in the holes.
- Page 43 Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe (1) Open the panel, remove the screw on the wiring cover and (1) Bind up the connection pipe, power cord and drain hose then take down the cover.(As show in Fig.11) with the band.(As show in Fig.14) (2) Reserve a certain length of drain hose and power cord Screw...
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Page 44: Installation Of Outdoor Unit
Service Manual 8.6 Installation of Outdoor Unit (3) Pretightening the union nut with hand. (4) Tighten the union nut with torque wrench . 1. Fix the Support of Outdoor Unit(Select it according to Refer to the following table for wrench moment of force: the actual installation situation) (1) Select installation location according to the house structure. -
Page 45: Vacuum Pumping And Leak Detection
Service Manual Note: 2. Leakage Detection (1) With leakage detector: (1) The through-wall height of drain hose shouldnt be higher Check if there is leakage with leakage detector. than the outlet pipe hole of indoor unit.(As show in Fig.25) (2) With soap water: (2) Slant the drain hose slightly downwards. -
Page 46: Maintenance
Service Manual 9. Maintenance 9.1 Error Code List Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator During cooling and drying Possible reasons: High operation, except indoor... - Page 47 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator When the outdoor unit receive signal of Gathering refrigerant Gathering ,the system will be forced to Nominal cooling mode...
- Page 48 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Decrease Overload or temperature is too All loads operate normally, frequency high;...
- Page 49 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Compressor intermediate Showing during middle cooling or frequence in middle heating test test state During cooling and drying...
- Page 50 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator During cooling and drying operation, compressor will stop Refer to the malfunction analysis System is while indoor fan will operate;...
- Page 51 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Malfunction of During cooling and drying phase current operation, compressor will stop detection while indoor fan will operate;...
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Page 52: Procedure Of Troubleshooting
Service Manual 9.2 Procedure of Troubleshooting 1. Malfunction of Temperature Sensor F1, F2 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 53 Service Manual 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 cant operate? ●...
- Page 54 Service Manual 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? ●...
- Page 55 Service Manual 4. 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 56 Service Manual 5. Communication Malfunction 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 Malfunction eliminated?
- Page 57 Service Manual 6. 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...
- Page 58 Service Manual 7. Malfunction of detecting plate(WIFI) JF 5. 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 1. Capacity charging malfunction (outdoor unit malfunction) (AP1 below means control board of outdoor unit) Main detection points: ● Detect if the voltage of L and N terminal of XT wiring board is between 210VAC-240VAC by alternating voltage meter; ●...
- Page 60 Service Manual 2. IPM protection, phase current overcurrent (the control board as below indicates the control board of outdoor unit) H5/P5 Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit Troubleshooting: Turn on the unit after energization...
- Page 61 Service Manual 3. High temperature and overload protection (E8)(AP1 below means control board of outdoor unit) Main detection points: ● If the outdoor ambient temperature is in normal range; ● If the indoor and outdoor fan are running normally; ● If the radiating environment of indoor and outdoor unit is good. E8 is displayed Normal protection, please If the outdoor...
- Page 62 Service Manual 4. Start-up failure (LC) (AP1 below means control board of outdoor unit) Main detection points: ● If the compressor wiring is correct? ● If the stop time of compressor is sufficient? ● If the compressor is damaged? ● If the refrigerant charging amount is too much? Turn on the unit The stop time is not sufficient and If the stop time of compressor...
- Page 63 Service Manual 5. Overload and high discharge temperature malfunction Main detection points: ● If the electronic expansion valve is connected well? Is the electronic expansion valve damaged? ● If the refrigerant is leaked? ● The compressor overload protection terminal is not connected well with the mainboard? ●...
- Page 64 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 65 Service Manual 6. 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: If the unit operates normally before malfunction...
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Page 66: Maintenance Method For Normal Malfunction
Service Manual 9.3 Maintenance Method for Normal Malfunction 1. Air Conditioner Cant 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 After energization, operation indicator isnt bright wait for power recovery. - Page 67 Service Manual 4. ODU Fan Motor Cant 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...
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Page 68: 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 69 Service Manual Part Code Description GWH09ACC-S6DBA1A/I GWH12ACC-S6DBA1A/I Product Code CB497N09200 CB497N10000 CB497N10001 Front Panel 200003000128T01 200003000128T01 20000300012801K02 Display Board 300001060400 300001060400 300001060401 Filter Sub-Assy 1112246803 1112246803 1112246803 Screw Cover 242520179 242520179 242520172P12 Electric Box Cover Sub-Assy 0140206501 0140206501 01705306007501 Front Case Assy...
- Page 70 Service Manual The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 71 Service Manual Part Code Description GWH24ACE-S6DBA1A/I GWH18ACE-S6DBA1A/I Product Code CB497N10700 CB497N11000 CB497N11001 Front Panel 200003000127T01 200003000127T01 20000300012701K02 Filter Sub-Assy 1101200703 1101200703 1101200703 Screw Cover 2425201906 2425201906 2425201902 Left Side Plate 200085000011 200085000011 20008500001101P02 Decorative Strip(Left) 230001000066D 230001000066D 230001000066D Front Case 200002000030 200002000030 20000200003001P02...
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Page 72: Outdoor Unit
Service Manual 10.2 Outdoor Unit GWH09ACC-S6DBA1A/O GWH12ACC-S6DBA1A/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 73 Service Manual Part Code Description GWH09ACC-S6DBA1A/O GWH12ACC-S6DBA1A/O Product Code CB497W09200 CB497W10000 Front Grill 22413046 22413046 Cabinet 0153305105 0153305105 Brushless DC Motor 1501308519 1501308519 Clapboard Sub-Assy 01235094 01235094 Chassis Sub-assy 017000060317P 017000060383P Compressor and Fittings 00900100022901 00900100022901 Valve Support Sub-Assy 01710400005P...
- Page 74 Service Manual GWH24YE-S6DBA2A/O GWH18ACE-S6DBA1A/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 75 Service Manual Part Code Description GWH24YE-S6DBA2A/O GWH18ACE-S6DBA1A/O Product Code CB466W00301 CB497W11000 Front Grill 22413048 22415011 Fan Motor 15010400000106 15010400000102 Electric Box (Fireproofing) 20115003 20115003 Radiator 4901521501 4901521501 Main Board 300027060761 300027060855 Electric Box Assy 100002066187 100002066754 Terminal Board Support sub-assy 01715016 01715016A Terminal Board...
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Page 76: Removal Procedure
Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Step Procedure 1. Remove filter Panel Open the panel. Clasps Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them. - Page 77 Service Manual Step Procedure Panel 3. Remove panel Display Open the front panel; separate the panel Screws front panel and then removes the front panel. Note: Panel rotation Front panel display on the panel before removing the panel. Groove 4. Remove electric box cover 2 and detecting plate(WIFI) Remove the screws on the electric box Detecting plate WiFi cover 2 and detecting plate(WIFI), to...
- Page 78 Service Manual Step Procedure Cold plasma generator 6. Remove electric box assy Screws Loosen the connection clasps between Cold plasma generator and electric box, and then remove the cold plasma Electric box generator. Step motor Clasps Indoor tube Grounding temperature sensor screw Electric box assy Cut off the wire binder and pull out the...
- Page 79 Service Manual Step Procedure 7. Remove evaporator assy Screws Connection pipe clamp At the back of the unit, Loosen the clasp,connection pipe clamp and then remove the connection pipe clamp. Clasp Groove Rear Case assy First remove the left side of evaporator from Clasp the groove of bottom shell and then remove the right side from the clasp on the bottom...
- Page 80 Service Manual Step Procedure then remove the motor clamp. Motor clasp Screws Remove the at the connection place of Motor them. 9. Remove vertical louver Loosen the connection clasps between vertical louver and bottom case to remove vertical louver. Clasps Clasps Installation and Maintenance...
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Page 81: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit GWH09ACC-S6DBA1A/O GWH12ACC-S6DBA1A/O 1. Before disassembly 2. Remove top cover Remove the screws connecting top cover, left and right side plate, as well as panel, to remove the top top cover cover. 3. Remove handle and valve cover... - Page 82 Service Manual 4. Remove panel and grille Remove the screws fixing panel, to remove the panel. Remove the screws connecting panel grille and panel, loosen the clamp, to remove the panel grille. panel grille 5. Remove cross fan blade Remove the screw nut fixing cross fan blade, remove the gasket and spring cushion, to remove the cross fan blade.
- Page 83 Service Manual 6. Remove motor Remove the four tapping screws fixing motor, pull out the contact tag of motor wiring, to remove the motor. motor 7. Remove motor support Remove the two tapping screws fixing motor support and chassis, lift to remove the motor support. motor suppor 8.
- Page 84 Service Manual 9. Remove electric box assy cover electric box Remove screws fixing electric box assy and mid-isolation board, loosen the bonding tie, pull off the wiring terminal, lift to remove the electric box assy. electric box assy 10. Remove four-way valve assy four-way valve ass lding cut the spot weld of four-way valve assy, compressor air suction/discharging valve and...
- Page 85 Service Manual 12. Remove compressor compressor Remove the three feet screw nuts fixing compresso to remove the compressor. 13. Remove big and small valve assy Remove screws connecting condenser assy and chassis, to remove the condenser assy. Remove the screws fixing big and small valve, to remove the valves.
- Page 86 Service Manual GWH24YE-S6DBA2A/O GWH18ACE-S6DBA1A/O Steps Procedure 1. Remove top panel handle and Twist off the screws used for fixing the handle and v alve cover , pull the handle and v alve cover up ward to remove it. valve cover Note:GWH24QF-S3DTB4C/O is not valve cover.
- Page 87 Service Manual Steps Procedure Remove the 5 screws connecting the panel with the chassis and the motor support, and then remove the panel. panel 3. Remove right side plate and left side plate right side plate Remove the scre ws connecting the right side plate with the chassis, the valve support and the electric box, and then remove the right side plate assy .
- Page 88 Service Manual Steps Procedure 4. Remove fan motor and axial flow blade axial flow blade Remove the nuts fixing the blade and then remove the axial flow blade. fan motor fixing frame Remove the 4 tapping screws fixing the motor; disconnect the leading wire insert of the motor and then remove the motor.
- Page 89 Service Manual Steps Procedure 4-way valv e assy 6.Remove soundproof sponge and Since the piping ports on the soundproof sponge are torn easily, remove the soundproof sponge carefully 4-way valv e assy Discharge the refrigerant completely;unsolder the pipelines connecting the compressor and the condenser assy,and then remove the 4-way valve assy.
- Page 90 Service Manual Steps Procedure 8. Remov e Cut off Valve and Valve Support Remove the 2 bolts fixing the valve subassemblies. Unsolder the welding joint connecting the gas valve and the return air pipe. Remove the gas valve. (Note: When unsoldering the soldering joint, wrap the gas valve with wet cloth completely to avoid damage to the valve caused by high temperature.) Unsolder the welding joint connecting the liquid valve...
- Page 91 Service Manual Steps Procedure condenser sub-assy 11.Remove condenser sub-assy Remove the chassis sub-assy and condenser sub-assy. chassis sub-assy Installation and Maintenance...
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Page 92: 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(°C) Celsius(°C) Celsius(°C) temperature (°F) temperature (°F) temperature (°F) (°F) (°F) (°F) -
Page 93: 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 94: 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 95 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 96 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 97 JF00304024 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.