Gree GWH24YE-S6DBA2A/I Service Manual
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Gree GWH24YE-S6DBA2A/I Service Manual

Refrigerant r32
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Service Manual
Models: GWH18YE-S6DBA2A
GWH24YE-S6DBA2A
(RefrigerantR32)
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

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Summary of Contents for Gree GWH24YE-S6DBA2A/I

  • Page 1 Service Manual Models: GWH18YE-S6DBA2A GWH24YE-S6DBA2A (RefrigerantR32) GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...

  • Page 2: Table Of Contents

    Service Manual Table of Contents Part I : Technical Information ....................1 1. Summary ..............................1 2. Specifications ............................2 2.1 Specification S heet............................2 2.2 Operation C haracteristic C u rv e ........................4 2.3 Capacity Variation Ratio According to T em perature................4 2.4 Cooling and Heating Data Sheet in Rated F re q u e n c y .................
  • Page 3 Service Manual 9. Maintenance................... 9.1 Error Code L is t.............................. 62 9.2 Procedure of T ro u b le sh o otin g ........................69 9.3 M aintenance Method fo r Normal M alfunction..................83 10. Exploded View and Parts List........... 10.1 Indoor U n it..............................85 10.2 Outdoor U n it..............................87 11.

  • Page 4: Part I : Technical Information

    Service Manual Part I : Technical Information 1. Summary In d o o r U nit: GW H18YE-S6DBA2A/I GW H24YE-S6DBA2A/I O u td o o r Unit: GW H18YE-S6DBA2A/O GW H24YE-S6DBA2A/O R em ote C o n tro lle r: YAG1FB Technical Information...

  • Page 5: Specifications

    W /W 4.22 SEER W /W HSPF W /W Application Area 23-34 32-50 Model of indoor unit GWH18YE-S6DBA2A/I GWH24YE-S6DBA2A/I Indoor Unit Product Code CB466N00400 CB466N00300 Fan Type Cross-flow Cross-flow Diameter Length(DXL) 0108X 830 0106X 890 Fan Motor Cooling Speed r/min...
  • Page 6 Service Manual Model of Outdoor Unit GW H18YE-S6DBA2A/O(LCLH) GW H24YE-S6DBA2A/O(LCLH) Outdoor Unit Product Code CB466W00400 CB466W 00300 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.

  • Page 7: Operation Characteristic Curve

    Service Manual 2.2 Operation Characteristic Curve Compressor Frequency(Hz) Compressor Frequency(Hz) 2.3 Capacity Variation Ratio According to Temperature C o o lin g H eating IS 80 T O S _ 'Ô S. 70 Condition Indoor:DB 27°C W B19°C Indoor air flow: Super High Pipe length:5 or 7.5m O utdoor temp(°C) 21 23 25 27 29 31 33 35 37 39 41 43 4 5 4 7 49 51 53...

  • Page 8: Cooling And Heating Data Sheet In Rated Frequency

    Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency C o o lin g : Rated cooling Pressure of gas pipe Inlet and outlet pipe Compressor condition(°C) connecting indoor and tem perature of heat Fan speed of Fan speed of Model frequency (DB/WB)

  • Page 9: Outline Dimension Diagram

    Service Manual 3. Outline Dimension Diagram 3.1 indoor Unit Unit:mm Model 18/24K 1101 Technical Information...
  • Page 10 Service Manual Technical Information...

  • Page 11: Outdoor Unit

    Service Manual 4. Refrigerant System Diagram INDOOR UNIT OUTDOOR UNIT Connection pipe specification: Liquid pipe:1/4"(6m m ) Gas pipe: 5/8" (16mm) Technical Information...

  • Page 12: Electrical Part

    Service Manual 5. Electrical Part 5.1 Wiring Diagram •Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jum per cap Yellow Brown COMP Compressor Blue Grounding wire © YEGN Yellow/Green Black Note: Jum per cap is used to determine fan speed and the swing angle of horizontal lover for this model. •...
  • Page 13 Service Manual • Outdoor Unit GW H18YE-S6DBA2A/O ------A W A R N I N G ------ Please d o n 't touch any te rm in a l when th e v o lta g e o f te rm in a l P(DC+) and N(DC-) a t AP1 is h igher than 30V to p revent the [>|<]...

  • Page 14: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram • Top view Name Neutral wire Needle stand for indoor fan Auto button Up&down swing motor left&right swing motor Interface o f temperature sensor Terminal for display board connection Terminal o f jum per cap Communication wire C onnect earthing w ire(on ly fo r the mode with this function)
  • Page 15 Service Manual • Top view Terminal o f com pressor wire Terminal of low pressure protection Terminal o f com pressor overload protection T e rm in a l o f o u td o o r temperature sensor Terminal o f outdoor fan Terminal o f 4-way valve C o m m u n ic a tio n w ire w ith indoor unit...
  • Page 16 Service Manual • Top view Name Interface of compressor Interface of tem perature sensor T e r m in a l o f c o m p r e s s o r overload protection L o w - te m p e r a tu r e c o o lin g sensor Cooling A valve Cooling B valve...

  • Page 17: Function And Control

    Service Manual 6. Function and Control 6.1 Remote Controller Introduction Buttons on Remote Controller ON/OFF button FAN button MODE button +/- button TURBO button button ^1 button CLOCK button TIMER ON/ TIMER OFF button ® TEMP button # ■ / £ button (before opening cover) (after opening cover) ®...
  • Page 18 Service Manual 2. FAN bu tto n Press this button, Auto, Low, Medium-low, Medium, Medium-high, High speed can be circularly selected. After powered on, Auto fan speed is default. Under DRY mode, Low fan speed only can be set up. Note: It's Low fan speed - a t u o .«ill...
  • Page 19 Service Manual 10. TEMP button Press this button, you can see indoor set tem perature, indoor ambient tem perature or outdoor am bient tem perature on indoor unit's display. The setting on remote controller is selected circularly as below: When selecting " 0 " with remote controller or no display, tem perature indicator on indoor unit displays set temperature; When selecting "...
  • Page 20 Service Manual •S leep 3- the sleep curve setting under Sleep mode by DIY: (1) Under Sleep 3 mode, press "Turbo" button for a long time, remote control enters into user individuation sleep setting status, at this time, the time of remote control will display "Ih o u r ", the setting tem perature "88" will display the corresponding tem perature of last setting sleep curve and blink (The first entering will display according to the initial curve setting value of original factory);...
  • Page 21 Service Manual 28.WIFI Function Press "MODE" and "TURBO" button simultaneously to turn on or turn off WIFI function. W hen WIFI function is turned on, the W iFi icon will be displayed on remote controller; Long press "MODE" and "TURBO" buttons simultaneously for 10s, remote controller will send WIFI reset code and then the WIFI function will be turned on.

  • Page 22: Operation Of Smart Control (Smart Phone, Tablet Pc) For Gree

    Scan the following QR code with your smart phone and download Wifi Smart. Install the APP according to its guidance. When successfully installed, your smart phone homepage will show this icon User of IOS system can search for the Gree Smart in Apple store to download the Apple version APP Configuration NOTE: Select either the original configuration or AP configuration according to the APP functions.
  • Page 23 Service Manual Select "Add device" and enter the page of "Add device". Tap "Manual configuration" and enter the page "Manual configuration". Step 2: Select the correct network name and enter the password. Select the server (The server setting here must keep the same as the server setting in "Settings"...
  • Page 24 Service Manual Technical Information...
  • Page 25 Service Manual Step 4: If configuration is successful, a w indow will pop up and read "Configuration succeeded". Then configuration is completed. © Configure Sueoeuiul Beqining NOTE: After configuration is completed, the air conditioner hot spot connected to your phone will disAPPear. You should reconnect your phone to the home Wifi router to realize long-distance control.
  • Page 26 Service Manual (4) If password is forgotten, you can reset the password with your email address. Tap "Forgot password" and enter the page "Forgot password". Tap "Get verification code" to get an email verification code. Enter a new password and tap "OK" to log in. 2 .Personal settings Purpose: Set name (device name, preset name, etc.) and images (device image) in order to identify a user easily.
  • Page 27 Service Manual (2) Set preset name Step 1: Tap at the to P ri9ht corner of the homepage "Device". Select "Add preset" and enter the page "Preset edit". S u n j Step 2: Choose the time. Tap "Name". As shown in the picture, its name is "baby room". For tim er type, select "On". Then select the repeating days.
  • Page 28 Service Manual to increase or decrease temperature. Tap &cooi to change working mode. Tap f H I to enter the page of fan speed adjustment. ” and go around the circle to adjust fan speed. Step 2: Advanced settings to enter advanced settings. You may select "Air", "Dry", "Health", "Light", "Sleep" or "Energy saving". (2) Advanced control functions: Set scene;...
  • Page 29 Service Manual Tap "Add scene" and edit the scene name, for example, "Back home". Add execution devices. Tap r + ' m to add commands. On the page "Select execution device", select the air conditioner named "babyroom". Then select "ON" or "OFF".
  • Page 30 Service Manual (3) Preset includes single-device preset and multi-device preset Single-device preset: This can preset a certain device to be On/Off at a specific time On the homepage "Device", take air conditioner "babyroom" as an example. Tap at the bottom of the page "babyroom". Then you will enter the page "Preset edit".
  • Page 31 Service Manual (4) Link(This function is APPlicable to some models) S elect a m aster device. W hen the environm ent satisfies the param eters as set in the m aster device, slave devices will execute commands to realize devices linkage. Step l ^ e t the parameters of master device (Select m aster device, select environment parameters, select m aster device status).
  • Page 32 Service Manual Tap the days below "Repeat" to select the repeating days. Then tap "Save" Step 3: Select "Execute command" Tap "Execute command" and enter the page "Select device". Tap the name of device that you want to control. Tap "ON" or "OFF" and then tap "Save" to complete the linkage. Tap "Save"...
  • Page 33 Service Manual (5) Infrared control (only APPlicable to smart phones with infrared emitter). Function: S mart phone can be used as a remote controller. Tap K 9 at the top right corner of the homepage "Device". Select "Infrared" and enter the page "Remote controller". Tap slide up to enter the page of advanced functions.
  • Page 34 Service Manual Step 2: A nother smart phone to be imported. Tap the model name and wait for the download. (2) Backup: To keep backup of the quick configuration information and unit's information, including backup to cloud and backup list on the cloud.
  • Page 35 Service Manual (3) Settings U ser can set vibration, m essage alerts, server, updates, etc. The se rver setting here m ust be the sam e as the server setting in "Configuration" mentioned before. Otherwise, remote control will be invalid. □...

  • Page 36: Operation Of Smart Control (Smart Phone, Tablet Pc)

    « Saved, Sec« ed gr-dh Seevred gree*iy gree-ly_5G Secured (W PS available Step 2: Open APP and the screen will show the air conditioner that you just connected. Tap the name of this air conditioner on your phone to enter and realize short-distance control, as shown below. Please refer to "Functions introduction" for specific control methods.
  • Page 37 Service Manual 2.Configuration method for Android phones 4 steps of configuration Step 1: Enter homepage "Device", and then tap at the top right corner. Select "Add device" and enter the page "Add device". Tap "Manual configuration" and enter the page "Manual configuration". Step 2: Tap "Next"...
  • Page 38 Service Manual NOTE: After configuration is completed, the air conditioner hot spot connected to your phone will disappear. You should reconnect your phone to the home WiFi router to realize long-distance control.The above configuration only needs onephone. Other types of phones shall install this APP, connect with the air conditioner hot spot or wireless router of WiFi air conditioner.
  • Page 39 Service Manual • If the name of router or the password is wrong, W ifi S m art can't connect to the w ireless router. 2 mins later, please conduct the configuration operation again. Reset W i-Fi adaptor by pointing you remote at the indoor unit and holding the mode and Turbo buttons on your remote control for 10 seconds and until you hear the beep.
  • Page 40 «^ a0b417ac A ir p u rifie r Gree Air Purifier D N A > Step 1: Tap and hold the Wifi model name, such as “a0b417ac”, to enter the page "Edit device". Tap "Image" to select the source of image.
  • Page 41 Service Manual (2) Set preset name Step 1: Tap H at the top right corner of the homepage "Device". Select "Add preset" and enter the page "Preset edit" Step 2: Choose the time. Tap "Name". As shown in the picture, its name is "baby room". For tim er type, select "On". Then select the repeating days.
  • Page 42 Service Manual Tap "babyroom" and enter the page of air conditioner control. Tap VRfl to turn on the control switch Tap + to increase or decrease temperature. Tap to & C I change working mode. Tap to enter the page of fan speed adjustment.
  • Page 43 Service Manual Continue to select the next execution device as instructed above. Tap to set the interval. - d n O ■ ' © ' ® 1 0 0 1 7:3 Add scene Save Tap "Save". Tap the scene picture displayed on homepage "Device" to send the command. Then the scene "Back home" will be in execution.
  • Page 44 Service Manual Tap "Name" to customize the preset name. Preset device can't be selected and it will default to "babyroom". Select "On" for the tim er type. Select repeating days to complete the preset. Multi-device preset: This can preset multiple devices to execute a command at a specific time. Please refer to the instructions as how to set preset time, name, tim er type and repeating days for a single device.
  • Page 45 Service Manual Tap "Temperature" to enter the page "Select tem perature parameter". Slide up or down to adjust temperature. Tap "Upper limit" or "Lower limit". Tap "Mode" and "On/Off" to select the status of master device. Then tap "Save". Step 2: Set time param eter for linkage. Tap "Time parameter" to enter the page "Set time". Slide rightwards to turn on the setting time.
  • Page 46 Service Manual Tap the name of device that you want to control. Tap "ON" or "OFF" and then tap "Save" to complete the linkage. Tap "Save" and then repeat the above steps to set linkage of several scenes. 4 .Menu functions Menu functions (Share, Set, History, Feedback) (1) Share: To share quick configuration information and unit’s information, including local export and local import.
  • Page 47 Service Manual Step 2: A nother smart phone to be imported. Tap the model name and wait for the download. Notice: This function requires that the two phones are of the same operating system. They are either Android phones or Apple phones,and are connecting to the same wireless router.
  • Page 48 Service Manual (3) Settings User can set vibration, m essage alerts, server, updates, etc. The server setting here must be the same as the server setting in "Configuration" mentioned before. Otherwise, remote control will be invalid. 1 No SIM Card □ 0 ■...

  • Page 49: Brief Description Of Modes And Functions

    Service Manual 6.4 Brief Description of Modes and Functions 1. Temperature Parameters ♦ Indoor preset tem perature (Tpreset) ♦ Indoor ambient tem perature (T am b.) 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 com pressor is at stop before de-energization, the compressor will be started w ithout a 3-minute lag;...
  • Page 50 Service Manual ♦ W hen 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 tem perature<18°C(64.4°F) , the fan speed will resume set fan speed.
  • Page 51 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. © Protection a.
  • Page 52 Service Manual 1. In cooling mode: 1.1 When the initial set tem perature is16-23°C(60.8~73.4°F),the tem perature will rise 1°C(1.8°F) by every hour after sleep function is set;the tem perature will not change after rising 3°C(5.4°F) ;after running for 7hours,the tem perature will decrease1°C(1.8°F) and it will not change after that.
  • Page 53 Service Manual 1. Under heating mode: auto speed under heating or auto heating mode: a. When Tamb<Tpreset+1°C(1.8°F), indoor fan will operate at high speed; b. When Tpreset+1°C(1.8°F)<Tam b<Tpreset+3°C(5.4°F), indoor fan will operate at medium speed; c. When Tamb>Tpreset+3°C(5.4°F), indoor fan will operate at low speed; There should be at least 180s operation time during switchover of each speed.

  • Page 54: Part Ii : Installation And Maintenance

    Service Manual Part II : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If th e p o w e r c o rd o r c o n n e c tio n w ire is n o t long en ough , please g e t th e sp e c ia liz e d p o w e r c o rd o r c o n n e c tio n w ire Important! fro m th e m a n u fa ctu re o r d is trib u to r.
  • Page 55 Service Manual To e n s u re safety, please be m in d fu l o f th e fo llo w in g p re c a u tio n s . Warnings 1. W hen in s ta llin g o r re lo c a tin g th e u n it, be s u re to keep th e re frig e ra n t c irc u it fre e fro m a ir o r s u b s ta n c e s o th e r th a n the s p e c ifie d re frig e ra n t.
  • Page 56 Service Manual Safety Operation of Flammable Refrigerant Qualification requirem ent fo r installation and m aintenance man • A ll th e w o rk m en w h o are e n g a g in g in th e re frig e ra tio n s y s te m s h o u ld b ear th e v a lid c e rtific a tio n aw arded by the a u th o rita tiv e o rg a n iza tio n and th e q u a lific a tio n fo r d e a lin g w ith th e re frig e ra tio n s y s te m recog nize d by th is in d u s try.
  • Page 57 Service Manual Main Tools for Installation and Maintenance 1. Level meter, m e asu rin g tape 2. S cre w d riv e r 3. Im p a ct d rill, d rill head, e le c tric d rill 4.

  • Page 58: Installation

    Service Manual 8. Installation 8.1 Installation Dimension Diagram Installation and Maintenance...
  • Page 59 Service Manual Installation procedures Select inc oor unit Select outdoor unit ^ n location V installatio ^in s ta lla tio n location Install the support of outdoor unit Install wall-mounting ^ W s e le c t it according to the actual s itu a tio n ^ ( f r a m e , drill wall holesV 'Connect pipes o f indoor^ ((Fix outdoor unity...

  • Page 60: Installation Parts-Checking

    Service Manual 8.4 Electric Connection Requirement 8.2 Installation Parts-checking 1. S a fe ty P reca utio n Name Name (1) Must follow the electric safety regulations when installing Indoor unit Sealing gum the unit. Outdoor unit Wrapping tape (2) A ccording to the local safety regulations, use qualified Support of outdoor power supply circuit and air switch.
  • Page 61 Service Manual in the holes. 5. C o n n ect th e Pipe o f In d o o r U nit (3) Fix the wall-mounting frame on the wall with tapping screws (1) Aim the pipe joint at the corresponding bellmouth.(As show (ST4.2X25TA) and then check if the frame is firmly installed by in Fig.5) pulling the fram e.
  • Page 62 Service Manual 7. C o n n e ct W ire o f In d o o r U nit 8. B ind 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) R eserve a certain length o f drain hose and pow er cord...

  • Page 63: 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. F ix th e S u p p o rt o f O u td o o r U n it(S e le c t it a c c o rd in g to Refer to the following table for wrench moment of force : th e a ctual in s ta lla tio n s itu a tio n ) (1) Select installation location according to the house structure.

  • Page 64: Vacuum Pumping And Leak Detection

    Service Manual Note: 2. Leakage D etection (1) With leakage detector: (1) The through-wall height of drain hose shouldn't 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 65: Maintenance

    Service Manual 9. Maintenance 9.1 Error Code List Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s)
  • Page 66 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
  • Page 67 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
  • Page 68 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
  • Page 69 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
  • Page 70 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
  • Page 71 Service Manual Display Method of Indoor Unit Display Method of Outdoor Unit Indicator Display (during Indicator has 3 kinds of display blinking, ON 0.5s and OFF status and during blinking, ON Dual-8 Malfunction A/C status Possible Causes 0.5s) 0.5s and OFF 0.5s Code Name Operation...

  • Page 72: Procedure Of Troubleshooting

    Service Manual 9.2 Procedure of Troubleshooting 1. M a lfu n ctio n o f T e m perature S e n so r F1, F2 Main detection points: • Is the wiring terminal between the tem perature sensor and the controller loosened or poorly contacted? •...
  • Page 73 Service Manual 2. M a lfu n ctio n o f B lo cke d P ro te c tio n o f IDU Fan M o to r H6 Main detection points: • Smoothlyls the control terminal of PG motor connected tightly? •...
  • Page 74 Service Manual 3. M a lfu n ctio n o f P ro te c tio n o f J u m p e r Cap C5 Main detection points: • Is there jum per cap on the mainboard? • Is the jum per cap inserted correctly and tightly? •...
  • Page 75 Service Manual 4. M a lfu n c tio n o f O v e rc u rre n t P ro te c tio n E5 Main detection points: • Is the supply voltage unstable with big fluctuation? • Is the supply voltage too low with overload? •...
  • Page 76 Service Manual 5. C o m m u n ic a tio n M a lfu n c tio n E6 Installation and Maintenance...
  • Page 77 Service Manual 6. M a lfu n c tio n o f d e te c tin g p la te (W IF I) JF £ Installation and Maintenance...
  • Page 78 Service Manual O u td o o r U nit 1. C a p a city c h a rg in g m a lfu n c tio n (o u td o o r u n it m a lfu n c tio n ) (AP1 b e lo w m eans c o n tro l board o f o u td o o r unit) Main detection points: •...
  • Page 79 Service Manual 2. IPM p ro te ctio n (H 5 ), d e s y n c h ro n iz in g m a lfu n c tio n (H 7 ), o v e rc u rre n t o f c o m p re s s o r ph ase c u rre n t (P5) (AP1 b e lo w m eans c o n tro l board o f o u td o o r u nit) Main detection points: •...
  • Page 80 Service Manual 3. H igh te m p e ra tu re and o ve rlo a d p ro te c tio n (E8)(AP1 b e lo w m eans c o n tro l board o f o u td o o r u nit) Main detection points: •...
  • Page 81 Service Manual 4. S ta rt-u p fa ilu re (LC) (AP1 b e lo w m eans c o n tro l b o ard o f o u td o o r unit) Main detection points: • If the compressor wiring is correct? •...
  • Page 82 Service Manual 5. O verloa d and h igh d is c h a rg e te m p e ra tu re m a lfu n c tio n Main detection points: • If the electronic expansion valve is connected well? Is the electronic expansion valve damaged? •...
  • Page 83 Service Manual £ Installation and Maintenance...
  • Page 84 Service Manual 6. PFC (c o rre c tio n fo r p o w e r fa c to r) m a lfu n c tio n (o u td o o r u n it m a lfu n c tio n ) Main detection points: •...
  • Page 85 Service Manual 7. C o m m u n ic a tio n m a lfu n c tio n (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; •...

  • Page 86: Maintenance Method For Normal Malfunction

    Service Manual 9.3 Maintenance Method for Normal Malfunction 1. A ir C o n d itio n e r C a n 't be S tarted Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm w hether it's due to power failure. If yes, No power supply, or poor After energization, operation indicator isn't bright wait for power recovery.
  • Page 87 Service Manual 4. ODU Fan M o to r C a n 't O perate 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...

  • Page 88: 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 89 Service Manual Part Code Description GW H18YE-S6DBA2A/I GWH24YE-S6DBA2A/I Product Code CB466N00400 CB466N00300 Front Panel(low display) 200003000063 200003000063 Filter Sub-Assy 11012007 11012007 Front Case Sub-Assy 0000020006401 0000020006401 Axile Bush 10542036 10542036 Guide Louver 10512503 10512503 Ring of Bearing 26152025 26152025 O-Gasket of Cross Fan Bearing...

  • Page 90: Outdoor Unit

    Service Manual 10.2 Outdoor Unit The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 91 Service Manual Part Code Description GW H18YE-S6DBA2A/O GW H24YE-S6DBA2A/O Product Code CB466W 00400 CB466W 00300 Front Grill 22415011 22415011 Fan Motor 15010400000102 15010400000102 Electric Box (Fireproofing) Radiator 49015215 4901521501 Main Board 300027000109 300027000308 Electric Box Assy 100002001814 100002000609 Electric Box Cover 20125002 20125002 Terminal Board...

  • Page 92: Removal Procedure

    Service Manual 11. Removal Procedure / j \ Caution: discharge the refrigerant 11.1 Removal Procedure of Indoor Unit com pletely before removal. S tep P ro ced ure 1.Remove filter Open the panel. Loosen the clasp shown and then pull the left filter and right filer outwards to remove them.
  • Page 93 Service Manual Step Procedure 3.Remove display and panel Screws Screws that are locking the display board. Separate the display board from the front panel. Open the front panel; separate the panel rotation shaft from the groove fixing the front panel and then removes the front panel.
  • Page 94 Service Manual Step Procedure 7.Remove cold plasma generator Cold plasma generator Screws that are locking the cold plasma generator.Separate the display board from the evaporator assy. 8.Remove tem perature sensor and grounding wire Cut off the tieline which binding the temperature sensor and grounding wire on the evaporator, and then pull out the indoor tube temperature sensor from the...
  • Page 95 Service Manual Step Procedure 11.Electric box assy Remove the screw fixing electric box assy and then remove the electric box assy. 12.Remove connection pipe clamp Sc rew Connection pipe clamp At the back of the unit, remove the screw fixing connection pipe clamp and then remove the connection pipe clamp.
  • Page 96 Service Manual Step Procedure 15.Remove motor and cross flow blade Motor clamp Remove the screws fixing motor clamp Screws and then remove the motor clamp. Remove the screws at the connection place of cross flow blade and motor; lift the motor and cross flow blade upwards to remove them.

  • Page 97: Removal Procedure Of Outdoor Unit

    Service Manual 11.2 Removal Procedure of Outdoor Unit S teps P rocedu re 1.Remove handle Twist off the screws used for fixing the handle and valve cover, pull the handle and valve cover up ward to remove it. 2.Remove top panel top panel Remove the screws connecting the top panel with the front panel and left&right...
  • Page 98 Service Manual Steps Procedure 4.Remove grille and panel Twist off the screws connecting the grille and panel, and then remove the grille. Twist off the screws connecting the panel, chassis and m otor support with screwd-river, and then remove the panel. grille panel 5.Remove right side plate...
  • Page 99 Service Manual Steps Procedure 7.Remove electric box Twist off the screws on electric box, cut off the tieline with scissors or pliers, pull out the wiring terminal, pull it upwards to remove the electric box. Twist off the screws on electric box (fireproofing) electric box with screwdriver, and then remove the electric (fireproofing)
  • Page 100 Service Manual Steps Procedure 9.Remove motor support Twist off the tapping screws fixingthe motor support, pull it upwardsand then remove the motor support. 10.Remove isolation sheet Twist off the screws connecting isolation sheet and end plate o f condenser and chassis, and then remove the isolation sheet.
  • Page 101 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 pipe and then remove the gas valve.(note: when unsoldering the soldering joint, w rap the gas valve with w et cloth com pletely to avoid the damage to valve, and release all refrigerant completely at first).
  • Page 102 Service Manual Steps Procedure 15.Remove left side plate Twist off the screws connecting the left side plate and chassis with screwdriver, and then remove the left side plate. 16.Remove chassis and condenser Pull it upwards to separate the chassis and condenser.

  • Page 103: Appendix

    Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit C o n ve rsio n fo rm u la fo r F a h re n h e it de g re e and C e lsiu s degree: Tf=Tcx1.8+32 S et te m p e ra tu re Fahrenheit Fahrenheit...

  • Page 104: Appendix 3: Pipe Expanding Method

    Service Manual Appendix 3: Pipe Expanding Method Pipe / j \ Note: Pipe cutter Im p ro p e r p ip e e x p a n d in g is th e m a in c a u s e o f re frig e ra n t le a k a g e .P le a s e expan d th e pip e a c c o rd in g to th e fo llo w in g ste p s: 90“...

  • Page 105: Appendix 4: List Of Resistance For Temperature Sensor

    Service Manual Appendix 4: List of Resistance for Temperature Sensor R e sistance Table o f A m b ie n t T em perature S e n s o r fo r In d o o r and O u td o o r (15K) Temp(oC) Resistance(kO) Temp(oC)
  • Page 106 Service Manual R e sistance Table o f Tube T em perature S e n so rs fo r In d o o r and O u td o o r (20K) Temp(oC) Resistance(kO) Temp(oC) Resistance(kO) Temp(oC) Resistance(kO) Temp(oC) Resistance(kO) 181.4 25.01 5.13...
  • Page 107 Service Manual R e sistance Table o f D isch a rg e T em perature S e n s o r fo r O u td o o r (50K) Temp(oC) Resistance(kO) Temp(oC) Resistance(kO) Temp(oC) Resistance(kO) Temp(oC) Resistance(kO) 853.5 18.34 4.75 799.8...
  • Page 108 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 For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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