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Gree GJC12AG-E6DRNB9A Service Manual Download Page 41

Service Manual

Installation and Maintenance

39

Remove remote control plate, earthing

screw and temp sensor in turn. Then 

remove electric box 2 and controller 

cover plate sub-assy.

Procedure

Step

3. Remove electric box 2 

Screws

Cabinet 

Temp sensor

Scr

Electric box 2 

Controller cover

 plate sub-assy

ews

Earthing screw

Summary of Contents for GJC12AG-E6DRNB9A

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual Models GJC12AG E6RNB3A GJC12AG E6DRNB9A GJC12AG E6DRNC9A GJC12AG E6DRNC2A Refrigerant R32 ...

Page 2: ...t Ⅱ Installation and Maintenance 15 7 Notes for Installation and Maintenance 15 8 Installation 18 8 1 Installation Precaution 18 8 2 Location 18 8 3 How to Install 18 8 4 Installation Procedure 18 8 5 Installation Assistance 18 8 6 Drain Water 19 8 7 Notes for Installation 19 9 Maintenance 20 9 1 Malfunction Analysis 20 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement 25 10 Exploded V...

Page 3: ...ion 1 1 Summary Remote Controller Models GJC12AG E6RNB3A GJC12AG E6DRNB9A GJC12AG E6DRNC9A GJC12AG E6DRNC2A YX1F Part Ⅰ Technical Information AUTO COOL DRY FAN HEAT T ON T OFF SWING SLEEP LOCK SPEED _ ON OFF FAN SWING SLEEP TIMER MODE ...

Page 4: ...on IPX4 Design Pressure Hi Side MPa 4 3 Design Pressure Low Side MPa 2 5 Dimension WXHXD mm 660X428X700 Dimension of Carton Box LXWXH mm 790X736X490 Dimension of Package LXWXH mm 793X739X505 Net Weight kg 50 Gross Weight kg 54 Refrigerant R32 Refrigerant Charge kg 0 63 Indoor Side Fan Type Centrifugal Fan Diameter Length DXL mm Φ193 1X80 9 Cooling Speed r min 870 800 730 Heating Speed r min Fan Mo...

Page 5: ...1 Throttling Method Capillary Set Temperature Range o C 16 30 Cooling Operation Ambient Temperature Range o C 16 43 Heating Operation Ambient Temperature Range o C Condenser Form Aluminum Fin copper Tube Condenser Pipe Diameter mm Φ5 Φ7 Condenser Rows fin Gap mm 3 1 3 1 1 5 Condenser Coil Length LXDXW mm 685X34 2X381 578X12 7X76 2 Fan Motor Speed H M L rpm 870 800 730 Fan Motor Power Output W 100 ...

Page 6: ...ical Information 4 3 Outline Dimension Diagram Unit mm 660 Fence or Likewise Less than 220 mm Over 500mm Over 500mm Over 500mm Note There must be no barriers within 1m in front of it 700 428 Note Take B3 Panel for example ...

Page 7: ...vice Manual Technical Information 5 4 Refrigerant System Diagram HOT DISCHARGED AIR OUTDOOR COILS AXIAL FAN COMPRESSOR REFRIGERANT FLOW DIRECTION CAPILLARY CENTRIFUGAL OR CROSS FAN INDOOR COILS COOLED AIR ...

Page 8: ...02725 1 9 8 3 2 5 1 7 29 5 2 5 29 203 6 7 5 51 1 1 57 57 57 7 03 6 1625 28778 2875220 7 03 6 1625 867 7 03 6 1625 3 1 0 0 1 2 5 8 3527 725 3 7 50 1 2 5 έ 67 33 1 02725 1 8 1 1 32 5 1 1 5 5220 78 6 1625 78 7 03 6 1625 5 0 7 03 1 3 63 2 5 75 2 3 3 1 3 3 0 210 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 The...

Page 9: ...rd Top view Bottom view 1 2 3 4 5 6 7 1 Interfaces for neutral wire live wire and earthing wire 5 U V W interface of compressor 2 Communication interface 6 Interface of AC fan 3 Interface of temperature sensor 7 Interface of 4 way valve reserved 4 Interface of overload protection of compressor ...

Page 10: ...creen on display board Top view Bottom view 1 2 3 4 5 6 7 8 9 1 Terminal of swing motor 2 Terminals connected with main board 3 Interface of temperature sensor 4 Buttons 5 LED indicator 6 Infrared receiver 7 Buzzer 8 dual 8 nixie tube display 9 Buttons ...

Page 11: ...e is from 16 30 Press the keypad also to increase the selected time in 0 5h 1h hour increments and Press the keypad to decrease the selected time in 0 5h 1h hour decrements Timer setting range is 0 5 24 hours Note When operating the unit with control panel when the timer range is 0 10h the timer scale is 0 5h when the timer range is 10 24h the timer scale is 1h When operating the unit with remote ...

Page 12: ... controller it could be used for the air conditioners with multifunction For some function which the model doesn t have if press the corresponding button on the remote controller that the unit will keep the original running status When unit is on each time you press the button on remote controller the sending signal icon on the display of remote controller will blink once If the air conditioner gi...

Page 13: ...is button to turn on left right air swing 6 SLEEP Button Under Cool Heat Dry mode press this button to turn on Sleep function Press this button to cancel Sleep function Under Fan and Auto mode this function is unavailable Simple operationfirst 1 After putting through power button on remote controller to turn on the air conditioner 2 Press button to select your required operation mode AUTO COOL DRY...

Page 14: ...it The distance between signal sender and receiving window should be within 8m There should be no obstacle between them Signal may be interfered easily in the room where there is fluorescent lamp or wireless telephone Remote controller should be close to indoor unit during operation Replace new batteries of the same model when replacement is required If you don t use remote controller for a long t...

Page 15: ... while it can be set by remote controller Ⅱ Buttons function 1 ON OFF It used to turn on or turn off the unit 2 Mode It used to switch among cooling mode drying mode and fan mode 3 Fan speed It used to set high medium low or auto fan speed The corresponding LED indicator is on under drying mode this button can t be ad justed The fan speed is the low speed 4 button 4 1 The temperature setting range...

Page 16: ...reased by 1 After that the unit will operate at this time all the time 10 Fan The fan can operate at high medium low or auto fan speed The auto fan speed will automatically adjust the current operation status of the fan a Auto fan speed under cooling mode Tinner amb Tpreset 2 high fan speed Tpreset T inner amb Tpreset 2 medium fan speed T inner amb Tpreset low fan speed b The fan speed under fan m...

Page 17: ...nit transportation with care the unit should not be carried by only one person if it is more than 20kg 3 When installing the unit a suffi cient fixing bolt must be installed make sure the installation support is firm 4 Ware safety belt if the height of working is above 2m 5 Use equipped components or appointed components dur ing installation 6 Make sure no foreign objects are left in the unit afte...

Page 18: ...eration of Flammable Refrigerant Qualification requirement for installation and maintenance man 1 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...

Page 19: ...finished or haven t finished 4 Don t overfilling 5 After filling is finished please do the leakage detection before test running another time of leak detection should be done when it s removed Safety instructions for transportation and storage 1 Please use the flammable gas detector to check before unload and open the container 2 No fire source and smoking 3 According to the local rules and laws M...

Page 20: ...obstacle surrounding the unit and the plug is accessible Prepare the installation hole slightly bigger than unit size Choose the installation space according to outline dimension diagram Please refer to the chapter 3 8 1 Installation Precaution 8 2 Location 8 3 How to Install 8 4 Installation Procedure 8 5 Installation Assistance 1 Remove the sticker from the front panel 2 Put the unit into the in...

Page 21: ... is firm enough to avoid the enlargement of noise and vibration Don t put anything in front of the outlet of outdoor unit to avoid increasing noise Be sure that hot air or noise will not inconvenience r neighbors Please contact the seller as soon as there is strange noise during operation Please use the safety support 3 Electric wiring Must connect with ground reliably The exclusive circuit must b...

Page 22: ...n and poor connection Check if the plug is properly plugged in and make the loose contact firm Fuse of controller burnt out The air condi tioner does not react after it is powered after the plug is inserted the buzzer does not sound and the remote startup has no response Remote controller malfunction Receiver loose or poor connection Receiver is broken Change controller fuse Controller is broken C...

Page 23: ...at heat insulation for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumulated on the surface of the heat exchanger Air filter were blocked Clean the filter Fan speed was set too slow To set the fan speed to high or middle speed Air circulation is insufficient Fan rotatio...

Page 24: ...r too high Manostat is recommended Wrong wire connection Connect the circuit diagram correctly The built in heat protector of the motor breaks frequently because the motor is abnormal Replace the fan motor Adjust the volume of the refrigerant The refrigerant is not enough or is too much Replace the capillary The capillary is blocked and the tem perature rises The compressor does not run smoothly o...

Page 25: ...ssor Drainage pipe blocked or broken Change drainage pipe Re wrap and make it tight Wrap of refrigerant pipe joint is not close enough Water leakage Change controller Wire loose or wrong connection In cool heat mode the outdoor unit and compres sor will not run Correctly wire according to the drawing Improper setting of temperature Adjust setting temp Controller malfunction IC2003 broken creepage ...

Page 26: ...Service Manual Installation and Maintenance 24 ...

Page 27: ...tes 1 Poor air return in indoor unit 2 Fan speed is abnormal 3 Evaporator is dirty 3 System block or refrigerant leakage E3 OFF 3S and blink 3 times OFF 1S and blink 9 times The Dual 8 Code Display will show E3 until the low pressure switch stop operation 1 Low pressure protection 2 Low pressure protection of system 3 Low pressure protection of compressor 4 High discharge temperature protection of...

Page 28: ...r fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 10 Limit decrease frequency due to high temperature of module EU OFF 3S and blink 6 times OFF 3S and blink 6 times All loads operate normally while operation frequency for compressor is decreased Discharging after the complete unit is de energized for 20mins check whether the thermal grease on...

Page 29: ...ambient temp sensor damaged check with sensor resistance value chart 4 Mainboard damaged 14 Indoor evaporator temperature sensor is open short circuited F2 OFF 3S and blink twice AC stops operation once reaches the setting temperature Cooling drying internal fan motor stops operation while other loads stop operation heating AC stop operation 1 Loosening or bad contact of Indoor evaporator temp sen...

Page 30: ... after operating for about 3 mins 1 Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 2 The head of temperature sensor hasnt been inserted into the copper tube 18 Limit decrease frequency due to overload F6 OFF 3S and blink for 6 times OFF 1S and blink 3 times All loads operate normally while operation fre...

Page 31: ...y voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 23 Voltage of DC bus bar is too low PL OFF 3S and blink 21 times OFF 1S and blink 12 times During cooling and drying operation compressor will stop while indoor fan will oper...

Page 32: ...linking ON 0 25s and OFF 0 25s during blinking ON 0 25s and OFF 0 25s Showing during middle cooling or middle heating test 28 Overcurrent protection of phase current for compressor P5 OFF 3S and blink 15 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis IPM pr...

Page 33: ...P1 32 Decrease frequency due to high temperature resistant during heating operation HO OFF 3S and blink 10 times All loads operate normally while operation frequency for compressor is decreased Refer to the malfunction analysis overload high temperature resistant 33 Static dedusting protection H2 OFF 3S and blink twice 34 Overload protection for compressor H3 OFF 3S and blink 3 times OFF 1S and bl...

Page 34: ...d blink 5 times OFF 1S and blink 10 times 38 Internal motor fan motor do not operate H6 OFF 3S and blink 11 times Internal fan motor external fan motor compressor and electricheater stop operation guide louver stops at present location 1 Bad contact of DC motor feedback terminal 2 Bad contact of DC motor control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecti...

Page 35: ...16 times compressor and Outdoor fan motor can t work Indoor unit and outdoor unit doesn t match 44 Failure startup LC OFF 3S and blink 11 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis 45 Malfunction of phase current detection circuit for compressor U1 OFF ...

Page 36: ...han AC175V 2 Wiring terminal 4V is loosened or broken 3 4V is damaged please replace 4V 49 Zerocrossing malfunction of outdoor unit U9 OFF 3S and blink 18 times During cooling operation compressor will stop while indoor fan will operate during heating the complete unit will stop operation Replace outdoor control panel AP1 50 Frequency limiting power OFF 1S and blink 13 times 51 Compressor is openc...

Page 37: ...10 Exploded View and Parts List 15 16 17 41 35 37 22 25 30 29 44 45 46 48 19 38 39 49 31 32 9 14 6 11 28 40 47 5 4 20 2 21 8 13 34 7 27 1 10 12 24 26 3 36 33 18 23 42 43 The component picture is only for reference please refer to the actual product ...

Page 38: ...3 1 22 Compressor and Fittings 00101415 00101415 00101415 1 23 Compressor Gasket 76710287 76710287 76710287 3 24 Capillary Sub assy 03000600493 03000600493 03000600493 1 25 Drainage Hole Cap 76711012 76711012 76711012 1 26 Inhalation Tube Sub assy 03001000373 03001000373 03001000373 1 27 Chassis Sub assy 01700000159P 01700000159P 01700000159P 1 28 Foam Water Tray 12311658 12311658 12311658 1 29 Ra...

Page 39: ...00100253 1 21 Clapboard 01205100003 1 22 Compressor and Fittings 00101415 1 23 Compressor Gasket 76710287 3 24 Capillary Sub assy 03000600493 1 25 Drainage Hole Cap 76711012 1 26 Inhalation Tube Sub assy 03001000373 1 27 Chassis Sub assy 01700000159P 1 28 Foam Water Tray 12311658 1 29 Radiator 49010252 1 30 Chassis Clamp 01211601 1 31 Wire Clamp 71010103 1 32 Main Board 30132212 1 33 Electric Box ...

Page 40: ...ixing chassis remove the screws fixing the rear part of cabinet and then pull out the unit Procedure Step 1 Remove panel assy 2 Remove cabinet Open the air inlet panel remove the filter remove the screws in the middle at the left side and right side of the panel beat the clasp of cabinet slightly and then remove the panel Air inlet panel Filter Screw Chassis Clamp ...

Page 41: ...emote control plate earthing screw and temp sensor in turn Then remove electric box 2 and controller cover plate sub assy Procedure Step 3 Remove electric box 2 Screws Cabinet Temp sensor Scr Electric box 2 Controller cover plate sub assy ews Earthing screw ...

Page 42: ...ection board and then remove the connection board front back of propeller housing and front and rear connection board Procedure Step 4 Remove top cover sub assy and rear cover plate 6 Remove connected board propeller housing connected board front back 5 Remove electric box 1 Remove screws fixing the upper cover plate and then remove the upper cover plate sub assy remove the fixing screws fixing th...

Page 43: ...ve Air Outlet Sub Assy and Seat Board Sub Assy 8 Remove evaporator Remove the screws fixing the air outlet sub assy and then draw out air outlet sub assy and seat board of air duct 9 Remove condenser Unsolder each connection pipe Note discharge the refrigerant completely before unsoldering Remove the screws fixing condenser and then remove the condenser Seat Board Sub Assy Air Outlet Sub Assy Scre...

Page 44: ...edure Step 10 Remove axial flow blade 11 Remove Clapboard and Centrifugal Fan Remove the screws fixing the isolation sheet and then draw out the isolation sheet Remove the nuts of centrifugal blade with wrench take out the washer and then remove the centrifugal blade Screws Condenser Nut Axial flow blad Clapboard Screws Nut Centrifugal blade ...

Page 45: ...ore unsoldering Remove the foot nuts of Soundproofing Cotton compressor and then remove the compressor Procedure Step 12 Remove motor 13 Remove compressor Remove the screws of motor support take out the motor support remove the screws of motor and then remove the motor Screws Motor Foot nuts Compressor Soundproofing Cotton ...

Page 46: ...4 33 46 47 46 4 8 70 71 69 8 21 93 94 93 2 34 48 49 48 2 9 72 71 6 22 95 96 95 35 50 51 50 10 73 74 73 4 23 97 98 96 8 36 52 53 51 8 11 75 76 75 2 24 99 98 6 37 54 53 6 12 77 78 77 25 Appendix Appendix 1 Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree Tf Tcx1 8 32 Set temperature Ambient temperature Fahrenheit display temperature F Fahrenheit F...

Page 47: ... 63 72 2 439 111 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0 642 0 49 02 39 8 297 78 1 997 117 0 625 1 46 6 40 7 967 79 1 933 118 0 608 2 44 31 41 7 653 80 1 871 119 0 592 3 42 14 42 7 352 81 1 811 120 0 577 4 40 09 43 7 065 82 1 754 121 0 561 5 38 15 44 6 791 83 1...

Page 48: ... 34 13 59 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0 833 1 62 13 40 10 62 79 2 577 118 0 811 2 59 08 41 10 2 80 2 495 119 0 77 3 56 19 42 9 803 81 2 415 120 0 769 4 53 46 43 9 42 82 2 339 121 0 746 5 50 87 44 9 054 83 2 265 122 0 729 6 48 42 45 8 705 84 2...

Page 49: ... 101 3 22 15 362 9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 79 10 274 29 41 34 68 9 17 107 2 72 9 259 3 30 39 61 69 8 85 108 2 64 8 245 6 31 37 96 70 8 56 109 2 57 7 232 6 32 36 38 71 8 27 110 2 50 6 220 5 33 34 88 72 7 99 111 2 43 5 209 34 33 45 73 7 73 112 2 37 4 198 3 35 ...

Page 50: ...2218 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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