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Service Manual

Technical Information

7

5.2 PCB Printed Diagram

5.2.1 Silk screen on main board

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

Summary of Contents for YX1F

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual Model GJC09AF E6RNB3A Refrigerant R32 ...

Page 2: ... 13 Part Ⅱ Installation and Maintenance 15 7 Notes for Installation and Maintenance 15 8 Installation 18 8 1 Selection of Installation Location 18 8 2 Electric Connection Requirement 18 8 3 Installation Procedure 19 8 4 Installation of Accessories 19 8 5 Drain Water 19 9 Maintenance 20 9 1 Malfunction Analysis 20 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement 25 10 Exploded View and...

Page 3: ... Manual Technical Information 1 1 Summary Remote Controller Model Part Ⅰ Technical Information GJC09AF E6RNB3A YX1F AUTO COOL DRY FAN HEAT T ON T OFF SWING SLEEP LOCK SPEED _ ON OFF FAN SWING SLEEP TIMER MODE ...

Page 4: ... Pressure Low Side MPa 2 5 Dimension WXHXD mm 560 375 708 Dimension of Carton Box LXWXH mm 803 620 410 Dimension of Package LXWXH mm 806 623 425 Net Weight kg 43 Gross Weight kg 47 Refrigerant R32 Refrigerant Charge kg 0 51 Indoor Side Fan Type Centrifugal Fan Diameter Length DXL mm Φ193 1X80 9 Cooling Speed r min 910 850 780 Heating Speed r min Fan Motor Power Output W 60 Fan Motor RLA A 0 5 Fan ...

Page 5: ...PC115 95U1 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 Φ7 Condenser Rows fin Gap mm 2 1 4 Condenser Coil Length LXDXW mm 602 2X25 4X342 9 Fan Motor Speed H M L rpm 910 850 780 Fan Motor Power Output W 60 Fan Motor R...

Page 6: ...ice Manual Technical Information 4 3 Outline Dimension Diagram Unit mm Fence or Likewise Less than 220 mm Over 150mm Over 150mm Over 500mm Note There must be no barriers within 1m in front of it 708 560 375 ...

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: ... 203 1 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 sh...

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: ...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 The time seting range is from 0 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 remo...

Page 12: ...wer is connected stand by condition you can operate the air conditioner through the remote controller 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 gives out a beep sound it means the signal has been sent When unit is off set temperature will be displayed on the remote controlle...

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: ... 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 is 0 24 hours The timer can be set in 0 5 hour increments between 1 and 10 hours or in 1 h...

Page 16: ...s 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 mode is same as that for cooling mode c The auto fan...

Page 17: ...alized power cord from the manufacture or distribu tor Prohibit prolong the wire by yourself 10 Make sure all wires and pipes are connected prop erly Warnings Electrical Safety Precautions 1 Avoid contact between refrigerant and fire as it generates poisonous gas Prohibit prolong the connection pipe by welding 2 Apply specified refrigerant only Never have it mixed with any other refrigerant Never ...

Page 18: ...ual 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 app...

Page 19: ...alized storage tank Filling the refrigerant Use the refrigerant filling appliances specialized for R32 Make sure that different kinds of refrigerant won t contaminate with each other The refrigerant tank should be kept upright at the time of filling refrigerant Stick the label on the system after filling is finished or haven t finished Don t overfilling After filling is finished please do the leak...

Page 20: ...cent lamp 1 Safety precaution 1 Must follow the electric safety regulations when installing the unit 2 According to the local safety regulations use qualified power supply circuit and air switch 3 Make sure the power supply matches with the requirement of air conditioner Unstable power supply or incorrect wiring may result in electric shock fire hazard or malfunction 4 For appliances with type Y a...

Page 21: ... onto the unit or exposing the unit to direct sunlight contact your seller to install a sunshade baffle for the unit When installing make sure the air inlet at the side grille will not be blocked To maximize cooling efficiency the air conditioner is designed to spray condensate onto the condenser coil For cooling only unit Should the spraying sound annoy you please adopt the method of outside drai...

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: ...l Installation and Maintenance 35 10 Exploded View and Parts List 15 27 26 25 19 7 6 4 3 5 17 2 1 21 18 20 23 53 37 52 47 48 50 49 51 16 36 33 34 8 29 32 35 30 31 28 45 43 42 38 40 41 39 22 24 44 46 10 11 12 13 14 9 ...

Page 38: ...ross Beam 24241364 1 24 Air Louver 10511127 1 25 Centrifugal Fan 10311016 1 26 Front Clapboard of Propeller Housing 01711900001 1 27 Evaporator Assy 01100100278 1 28 Compressor and fittings 00101411 1 29 Capillary Sub Assy 03000600491 1 30 Inhalation Tube Sub Assy 03001000371 1 31 Discharge Tube Sub assy 03001300342 1 32 Chassis Sub assy 01700000157P 1 33 Drainage hole cap 76711012 1 34 Drainage B...

Page 39: ...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 Chassis Clamp Air inlet panel Filter Screw ...

Page 40: ...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 Electric box 2 Controller cover plate sub assy Earthing screw Screws ...

Page 41: ...nt temperature sensor external tube temperature sensor and discharge temperature sensor and then pull the electric upwards to remove it Procedure Step 4 Remove top cover 6 Remove Cross Beam and Air Louver 5 Remove electric box 1 Remove the screws fixing top cover and then remove the top cover Top cover sub assy Electric box 1 Screws Cross Beam Air Louver ...

Page 42: ...denser Procedure Step 7 Remove evaporator 8 Remove condenser Unsolder each connection pipe Note discharge the refrigerant completely before unsoldering Remove the screws fixing evaporator and then remove the evaporator Screws Evaporator Screws Screws Condenser 9 Remove axial flow blade Remove the nuts of axial flow blade remove the washer and then remove the axial flow blade Nut Axial flow blade ...

Page 43: ...he screws of motor and then remove the motor Procedure Step 10 Remove centrifugal blade 11 Remove motor Nut Centrifugal blade Screws Motor 12 Remove compressor Unsolder each connection pipe Note discharge the refrigerant completely before unsoldering Remove the foot nuts of Soundproofing Cotton compressor and then remove the compressor Foot nuts Compressor Welding joints Soundproofing Cotton ...

Page 44: ...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 45: ... 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 46: ... 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 47: ... 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 48: ...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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