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Service Manual

1. A A DEA i e TUBE ROOM PG N BU lon BU BK COM OUT lt 2 20 NS JUMP Jo EN 5 OPE DISP1 DISP2 SWING UD HEALTH L HEALTH EVAPORATOR RD BU COOL PLASMA kr m Li GENERATOR SWING MOTOR optional e o Technical Information Service Manual e Outdoor Unit 1 GWHO9KF K3DNA6G 0 CB146W36201 GWH12KF K3DNA6G O CB146W36101 ZN WARNING OUTTUBE OUTROOM EXHAUST REACTOR Please don t touch any TEMP TEMP TEMP ELECTRONIC 4 WAY m terminal when the machine is SENSOR SENSOR SENSOR EXPANSION vALVE c BU BN running stopping or has been VALVE D m powered off for less than 30 of L 13 3 minutes to prevent the risk RTI E n EKV AN ge l of electric shock 1 20 15k 50k m MAGNETIC A l A LXi 1 LX1 2 ONT BU BU N gt N 2 L2 BK BK i x 2 lt COMU AP
2. 22 B sie ta 24 8 T Installation Dimension DIS eiiis pu setenotoceedacentteceuedeuatedecsedaiacs ta aa 24 8 2 Installation Parts checking 26 8 3 Selection of Installation LOCO padri dris tesi 26 8 4 Electric Connection 26 8 5 of indoor Ur 26 8 6 Installation of Qutdoor iaee 29 8 7 Vacuum Pumping and Leak DEBORON mr seances niee 30 8 8 Check after Installation and Test Operation 30 e Table of Contents Service Manual 9 MaintenANC eio 31 9 1 Flashing LED of Indoor Outdoor Unit and Primary 31 9 2 Procedure of TOUS STDIN e 39 9 3 Maintenance Method for Normal nn 54 10 Exploded View and Parts 1 _15 56 10 1 toor EEE 56 10 2 Uie eee een et ede ane 62 11 Removal Procedure 65 11 1 Removal Procedure of Indoor 65 11 2 Removal Pr
3. 45 Service Manual Energize and switch on f the voltage Check the supply Use AC voltmeter protection to measure the occurs after the Yes voltage between between terminal L voltage and terminal L and N board XT is within restore it to 210VAC 250VAC machine has run for 210VAC 250VAC a period of time on the wiring board XT Restart theunit Before protection occurs use DC voltmeter to If the unit cam Yes Voltage between ves the two ends of celectrolvti measure the voltage capacitor is between the two work 2 higher than ends of electrolytic normally capacitar gn control panel AP Please confirm 1 If the indoor and outdoor heat exchangers are dirty If they are No Reconnect the capacitor C2 according to Electrical Wiring Diagram Then Stop the unit and disconnect the power Yes The connection obstructed by other supply Then check objects which affect the of i the heat exchange capacitor C2 of c2 Restart the unit of indoor and outdoor unit 2 If the indoor and outdoor fans are working normally 3 If the environment temperature is too high resulting in that the svstem pressure is too high and exceeds th permissible range 4 If the charg volume of refrigerant is too much
4. a 763 80 181 052 3 mo os 4 ww re e ua os 5 38 15 44 6 791 83 1 699 0 547 6 3632 45 659 8 1645 13 052 7 us 124 2 a7 sos 125 oss o aa 48 sso s 126 o4 4 ss s 11 28 51 50 5 379 1 408 0 467 2718 5197 90 1363 12 0456 259 5 496 o 137 130 044 pe Ls Ts Dose 23 6 54 4 625 93 1 244 0 422 el s s u ur 17 21 51 56 4 294 95 1 171 0 401 s 1 135 1963 s 9 1109 038 86 Installation and Maintenance Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor 20K Temp C Resistance kO Temp C Resistance kO Temp C Resistance ka Temp C Resistance kQ 19 20 25 01 59 5 13 1 427 ma m e w me ar 21 gt 228 10 eee eee eer 45 145 20 9 4 443 102 1 269 43 26 191 148 EHE WEE nes 1755 1499 o l ma l wa 63 1009 toe 161
5. No S malfunction liminate Clean the indoor and outdoor heat exchangers and remove the blockage of air inlet and outlet No S malfunction eliminated Is the indoor outdoor Yes heat exchanger dirtv or are the air inlet and outlet blocked No 4 The fan is abnormal Fan Yes speed is too low or fan doesn t rotate No easure the current of live wire on the main board with a clamp ampere meter Is the current higher than the alue of the overcurrent protectio No 4 Check the motor and reinstall the motor to have the fan run normally No Replace the mainboard with the same model No s malfunctio eliminated s malfunction eliminated s there blockage inside the system Filth blockage ice plug greasy blockage the cut off valve hasn t been opened completely Yes No Flush the heat exchangers with high pressure nitrogen No s malfunction eliminated 5 the compressor running abnormally Is there abnormal sound or oil leakage s the temperature of the shell too hig Yes Replace the compressor S malfunction Yes eliminated 4 Replace the mainboard with the same model End Installation and Maintenance o Service Manual 9 3 Maintenance Method for Normal Malfunction 1 Air Conditioner Can
6. RA Remove air filter by pulling forward Installation and Maintenance o 65 Service Manual Steps Procedure Points 3 Remove panel bl 4 Support the front panel bv one 66 hand while remove the rotation Pull down horizontal blade bv pulling forward axis at the upper center bv the other hand And pull out the front panel forward to remove Remove horizontal blade bv pulling forward Hook a finger onto the projection part provided on the both sides of the JH Left and right filters unit s panel and open Fu s r interchangeable up the panel to the position higher than it will stop To re install insert air filter along the guide _____ Rotary shaft _ L A 4 f i I F m imm Remove the front panel from the unit o o o Installation and Maintenance Service Manual teps Procedure Points 4 Remove electric box cover i Remove a electric box gt 3 7 EEA cover mounting screw dos ki Open electric box cover i upward U s and ge d A switch for field setting is l v not provided in particular 5 Remove front case Remove the 3 screws in the right and
7. 3603 1009 se o pe im 9 zm 14 79 3 364 110 1 01 EER a mn 5 ss z 314 ose Ca f osn f s pe 3 76 24 36 12 51 2 94 114 0 904 ms v 272 ne os er pose f m pom os 62 13 40 10 62 2 577 118 0 811 cm mn me Mur Gm WE m 3 245 oro S e 2 pe owe 5 50 87 44 9 054 2 265 122 0 729 MON SN 7 sen 2105 14 062 so 4 ee 2000 s 418 775 1906 1 oes 1 3e 49 s l wa gt 11 38 01 50 7 173 89 1 875 128 0 623 3022 51 6905 1818 129 oor 52 eses ot 1736 130 oin 15 31 47 54 6 167 1 658 132 0 563 EL ose ET 17 28 68 56 5 726 1 561 134 0 535 reren ee ee Il 8 552 _ sr def 46 __ Installation and Maintenance 87 Resistance Table of Discharge Temperature Sensor for Outdoor 50K 29 Resistance kO 853 5 799 8 750 703 8 660 8 620 8 580 6 548 9 516 6 486 5 458 3 m IN m Oo A o
8. 9 2 Procedure of Troubleshooting 1 Malfunction of Temperature Sensor 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 e Is the temperature sensor broken 5 mainboard broken Malfunction diagnosis process 15 the wiring terminal between the temperature sensor and the controller loosened or poorly contacted No Yes Insert the temperature sensor tightly Is malfunction Is there short circuit due to trip over of the parts No eliminated Make the parts upright Is malfunction Is the temperature sensor normal according to the resistance table No eliminated Replace it with a temperature sensor with the same model Is malfunction v Replace the mainboard with the same model eliminated End Installation and Maintenance o Yes 39 40 2 Malfunction of Blocked Protection of IDU Fan Motor Main detection points Smoothlyls the control terminal of PG motor connected tightly e Smoothlyls the feedback interface of PG motor connected tightly The fan motor can t operate e The motor is broken e Detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Start hile power is off stir the bl
9. 1 1 A N JW 1 1 Co N 1 N 407 4 384 5 362 9 342 8 323 9 306 2 289 6 1 1 1 1 1 A O1 o 259 3 245 6 232 6 220 5 N 198 3 199 1 178 5 169 5 zx o 145 4 138 3 131 5 125 1 119 1 113 4 Temp C Resistance kQ 8635 28 750 26 25 608 24 woe 23 sos 22 889 see 4855 2583 4074 3645 5 3629 328 32 302 2896 265 7 zee 6 205 5 2e 1 __ 1w 2 a 65 o 2 a 1383 s m oT nma woe ws 102 8 88 Temp C 0 1 3 5 7 8 9 0 1 3 5 7 8 9 0 1 3 5 7 8 9 0 1 3 5 7 1 1 12 1 14 1 16 1 1 1 2 2 22 2 24 2 26 2 2 2 3 3 32 3 34 3 36 3 3 3 4 4 42 4 44 4 46 4 48 95 4 6 6 6 6 6 6 9 50 51 52 53 54 55 56 57 58 59 1 2 3 4 5 7 70 71 72 73 74 75 76 77 78 79 81 82 83 84 85 87 Resistance kQ Service Manual 4 a 95 a 98 99 1 Temp C Resistance kO 2 8 1 2 3 4 5 7 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17
10. 56 Service Manual Part Code GWHO9KF K3DNA6G GWH12KF K3DNA6G I Cold Plasma Cold Plasma Guide Louver 10512119 Helicoid Tongue 26112486 Air Louver 10512160 Shaft of Guide Louver 1054202001 10 Drainage Pipe Sub assy 0523204101 11 _ Rear Case assy 2220229501 12 Electric Box Assy 10000201392 13 Electric Box Cover 20122106 14 Shield Cover 01592076 15 Crank 73012005 16 Step Motor 1521210701 25 25 30 Cold Plasma Generator 1114001602 31 Evaporator Support 24212108 32 Bearing 76512210 33 Damping Washer Sub assy 76512011 34 JAxile Bush Sub assy 10542024 35 Pipe Plug Outlet 76712020 36 Remote Controller 305100611 37 emperature Sensor 390000453 38 emperature Sensor 39000305 39 Connecting Cable 400204056 40 Above data is subject to change without notice x Front Case Assy Installation and Maintenance o 57 Service Manual Part Code GWH12KF K3DNB2G I GWHO9KF K3DNB2G I Cold Plasma Cold Plasma CB409N02400 CB409N02700 20012980501 20012980 1112208201 1112208201 24252019 24252019 63062017 63062017 2001237501 2001237501 10512119 10512119 Helicoid Tongue 26112486 26112486 Air Louver 10512160 10512160 Shaft of Guide Louver 1054202001 1054202001 10 Drainage Pipe Sub assy 0523204101 0523204101 11 Rear Case assy 2220229501 2220229501 12 Electric Box Assy 10000201392 10000201391 13 Electric Box Cover 20122106 20122106 14 Shield Cover 01592076 01592074 15 Crank 73012005 73012005 16 Step Motor
11. If the unit c work normally Use ohmmeter to measure the resistance between the three If the Replace the terminals on compressor resistance is compressor normal COMP OMP and compare the measurements with the compressor resistance on ervice Manual Use ohmmeter to measure the resistance between the two terminals of compressor COMP and copper tube Resistance higher than 500MO Installation and Maintenance 46 Service Manual 3 High temperature and overload protection diagnosis AP1 hereinafter refers to the control board of the outdoor unit Mainly detect els outdoor ambient temperature in normal range eAre the outdoor and indoor fans operating normally els the heat dissipation environment inside and outside the unit good Fault diagnosis process Overheat and high temperature protection Normal protection please operate it after the outdoor ambient temp erature is normalized Is outdoor ambient temperature higher than 532 20 minutes after the complete unit is powered off Improve the heat Is heat dissipation of the indoor unit dissipation environ ment of the unit and outdoor unit abnormal 1 Check if the fan terminal OFAN is connected correctiv 2 Resistance between anv two terminals is measure bv an ohm gauge and should be less than 1K Ohm Does the outdoor fan
12. Place the open end wrench on the pipe joint and place the torque wrench on the union nut Tighten the union nut with torque wrench As show in Fig 6 4 Wrap the indoor pipe and joint of connection pipe with insulating pipe and then wrap it with tape As show in Fig 7 Open end wrench Union nut Pipe joint Union nut Pipe Torque wrench gt Pipe m d Cf Fig 5 Indoor pipe Fig 6 eee NEEN EN T Insulating pipe Fig 7 Refer to the following table for wrench moment of force Hex nut diameter mm Tightening torque N m ______96 15 20 9 52 30 40 45 55 60 65 70 75 6 Install Drain Hose 1 Connect the drain hose to the outlet pipe of indoor unit As show in Fig 8 2 Bind the joint with tape As show in Fig 9 e Drain hose ET Outlet pipe i Tape rain nose Fig 9 Note 1 Add insulating pipe in the indoor drain hose in order to prevent condensation 2 The plastic expansion particles are not provided As show in Fig 10 ____ Drain hose Mm Insulating pipe Fig 10 27 7 Connect Wire of Indoor Unit 1 Open the panel remove the screw on the wiring cover and then take down the cover As show in Fig 11 Panel Screw Fig 11 Wiring cover 2 Make the power connection wire go through the cable cross hole at the back of indoor unit and then pul
13. ifti F TAI and then lift it PX 76 Installation and Maintenance Service Manual 11 Remove cross flow fan and fan motor Cross flow fan Remove cross flow fan and n Fan motor fan motor 5 Js Bearing Remove the rubber cushion OA of the bearing A 4 ta h f Remove the screws at the joint of the cross flow blade and the motor Installation and Maintenance oo e 77 Service Manual Take down the motor sub assy Remove fan motor 78 9 Installation and Maintenance Service Manual 11 2 Removal Procedure of Outdoor Unit N Warning Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completelv before removal Steps Procedure 1 Remove big handle Before disassamble Remove 1 connection screw fixing big handleand then removethe big handle Big handle 2 Remove top cover Top cover Remove 3 connection screws among top cover plate front panel and right sideplate Then remove top cover plate Installation and Maintenance o e 79 Service Manual 3 Remove grille and front panel Remove connection screws between the front grille and the front panel Then remove the front grille Re
14. s 3 emo 31 1 O o 1 om oso 3 poors O ooo omm 3 re pewemeney moon ora 1 55 CE 1 716 _bewctsmivaeting sro sm 1 7 Expansion vave omme omm 1 jme 3 porne 3 puotwwemmy mem ___ 3 Compressor and Fittings 00103896G 00103896G Electrical Heater 7661281401 Drainage Connecter 06123401 06123401 Electrical Heater Chassis 7651000414 Above data is subject to change without notice 64 e Installation and Maintenance Service Manual 11 Removal Procedure N Caution discharge the refrigerant 11 1 Removal Procedure of Indoor Unit completelv before removal Steps o Procedure Procedure Points 1 External features If ON OFF button is kept pushing for 5 seconds aforced cooling op eration willbe carried out for approx 15minutes 2 Removing air filters Pull protrusions on left and right sides of panel with fingers and open front grille all the way Lift center section of air filter and disengage Air filter hooks Left and right filters are interchangeable To re install insert air filter along the guide
15. Indoor Unit Medel GWHO9KF K3DNAQG I ndoor Unit Fan Type CB146N36200 CB146N37000 092X596 092X596 L ndoor Unit Fan Diameter Length DXL m h h W W 2 m Cooling Speed r min 1350 1100 900 700 1350 1150 950 750 Heating Speed ndoor Unit Fan Motor Power Output 0 pg OW Lh _____ _____ Application Area _____ mm r min u ndoor Unit Fan Motor RLA ndoor Unit Fan Motor Capacitor Indoor pe M vaporator Pipe Diameter 0 12 II mm OW Aluminum Fin copper Tube Aluminum Fin copper Tube Evaporator Coil Length LXDXW Swing Motor Model wing Motor Power Output 610 24 294 610 24 294 Indoor Unit Net Weight kg 9 ndoor Unit Gross Weight 1 1 1 1 1 W 1 eed SH H M L peed SH H M L 1350 1140 980 820 1350 1190 1020 850 i i 0 2 2 m 7 7 m m 5 5 m m m 5 0 5 e Technical Information Service Manual Outdoor Unit Model GWHO9SKF K3DNA6G O GWH12KF K3DNA6G O Outdoor Unit Product Code CB146W36200 CB146W36100 COMPRESSOR CO LTD COMPRESSOR CO LTD Compressor Type 29 0 1 42 Compressor Locked Rotor Amp L R A 0 Compressor Rated Load Amp RLA Compressor Power Input Compressor Overload Protector 1NT11L 6233 1NT11L 6233 PI Electron expansion valve Electron expansion valve i 16 30 16 30 15 43 15 43 15 24 15 24 Aluminum Fin copper Tube Aluminum Fin copper Tube Throttling Method
16. Processing method Check whether sensor is normal connected with the corre sponding position on the controller and if damage of lead wire is found 5 Compressor over load protection Possible causes insufficient or too much refrigrant blockage of capillary and increase of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfunction of protector Processing method adjust refrigerant amount replace the capillary replace the compressor use universal meter to check if the contactor of compress or is fine when it is not over heated if not replace the protector 6 System malfunction i e overload protection When tube temperature Check the temperature of outdoor heat exchanger when cooling and check the temperatur e of indoor heat exchanger when heating is too high protection will be activated Possi ble causes Outdoor temperature is too high when cooling insufficient outdoor air circulation refrigerant flow malfunction please refer to the malfunction analysis in the previous section for handling method 7 module protection Processing method Once the module malfunction happens if it persists for a long time and can not be selfcanceled cut off the power and turn off the unit and then re energize the unit again after about 10 min After repeating the procedure for sever times if the malfunction still exists replace the module e Installation and Maintenance Service Manual
17. Then remove the capillary Sub assy Do not block the capillary when unsoldering it Note be fore unsoldering discharge refrigerants completely Installation and Maintenance o 81 Service Manual 9 Remove motor and motor support Motor support Remove the 4 tapping screws fixing the motor Pull out the lead out wire and remove the motor Remove the 2 tapping screws fixing the motor support Lift motor support to re move it 10 Remove clapboard sub assy Clapboard Sub Assy Loosen the screws of the Clapboard Sub Assy The Clapboard Sub Assy has a hook on the lower side Lift and pull the Clapboard Sub Assy to remove 82 e Installation and Maintenance Service Manual 11 Remove Compressor Remove the 2 screws fixing the gas valve Unsolder the welding spot connecting gas valve and air return pipe and remove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld Liquid valve ing spot connecting liquid valve and remove the liquid valve Gas valve Remove the 3 footing screws of the compressor and remove the compressor Compressor Installation and Maintenance o 83 Appendix Appendix 1 Reference Sheet of Celsius and Fahrenheit Conversion formula fo
18. while remote controller won t send signal Switchover function for temperature display After turning off the unit by remote controller press button and MODE button simultaneously to switch between C and F Operation guide 1 After putting through the power press ONIoFB button on remote controller to turn on the air conditioner 2 Press MODE button to select your required mode AUTO COOL DRY FAN HEAT 3 Press or button to set your required temperature Temperature can t be adjusted under auto mode 4 Press FAN button to set your required fan speed auto low medium and high speed 5 Press 3l 7 button to select fan blowing angle Replacement of batteries in remote controller 1 Press the back side of remote controller marked with as shown in the fig and then push out the cover of battery box along the arrow direction 2 Replace two 7 AAA 1 5V dry batteries and make sure the position of polar and polar are correct signal sender battery 3 Reinstall the cover of battery box NOTICE N During operation point the remote control signal sender at the receiving window on indoor unit The distance between signal sender and receiving window should be no more than 8m and there should be no obstacles 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 ope
19. zo Above data is subject to change without notice 28 29 30 31 32 33 34 35 36 37 Cross Flow Fan Evaporator Assy Cold Plasma Generator Evaporator Support 76512210 76512011 10542024 76712020 305100611 390000453 Fan Bearing Damping Washer Sub assy Axile Bush Sub assy Pipe Plug Outlet Remote Controller Temperature Sensor Temperature Sensor L A 9 00 ow ERN __13 5 Cae 19 20 om __22 __23 25 26 29 30 BEEN 3 EEN 35 37 __38 2 40 60 Installation and Maintenance Service Manual U o 5 Part Code GWH12KF K3DNB3G I Cold Plasma Screw 2 0990 Membrane z o n imi 218 5 31212 5 5 00105 5 1018 512 Tlalo 5 121 0 2 lt o lt 2 nt Case Assy Remote Conroler O Temperature Sensor Above data is subject to change without notice 2 3 9 3 o 3 A CD 5 o o 7 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Installation and Maintenance o 61 Service Manual 10 2 Outdoor Unit Installation and Maintenance 62 Service Manual Part C
20. 18 19 20 21 22 23 24 25 26 Installation and Maintenance JF00302257 GREE GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 Email gree gree com cn Http www gree com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add Unit 2612 26 F Miramar Tower 132 Nathan Road TST Kowloon HK Tel 852 31658898 Fax 852 31651029 For product improvement specifications and appearance in this manual are subject to change without prior notice
21. Curve Cooling 11 Conditions 9 Indoor DB27 C WB19 C Outdoor DB35 C WB24 C Indoor air flow Super High 7 Pipe length 5m 6 1 Current A 0 10 20 30 40 50 60 70 80 90 Compressor speed rps Service Manual Heating 11 240V Conditions Indoor DB20 C WB15 C Outdoor DB7 C WB6 C Indoor air flow Super High Pipe length 5m 0 10 20 30 40 50 60 70 80 90 100 110120 Compressor speed rps 2 3 Capacity Variation Ratio According to Temperature Heating operation ambient temperature range is 20 C 24 C Cooling 130 120 1 _ 110 H E Mr S 2 90 80 H CE 5 70 Conditions Indoor DB27 C WB19 C 60 Indoor air flow High Pipe length 5m 50 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp C Heating operation ambient temperature range is 15 C 24 C Capacity ratio Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp C Capacity ratio Capacity ratio Heating 130 120 110 100 90 80 70 Condition i Indoor DB20 C WB15 C 60 Indoor air flow High 50 Pipe length 5m 10 5 0 5 10 Outdoor temp C 15 Heating 110 100 90 70 60 E i Conditions Indoor DB20 C WB15 C 50 4 i Indoor air flow Super High Pipe length 5m 40 15 10 5 0 5 7 10 Outdoor temp C Technical Information Ser
22. Set Temperature Range m Cooling Operation Ambient Temperature Range Condenser Form 2 14 710X38 1X506 Outdoor Unit Fan Motor Speed 900 ____ Outdoor Unit Fan Type Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type 4 2 solation NENNEN ______ Moisture Protection 1 24 1 24 Permissible Excessive Operating Pressure 43 for the Discharge Side Permissible Excessive Operating Pressure for the Suction Side Outdoor Unit Sound Pressure Level H M L d Outdoor Unit Sound Power Level H M L d Outdoor Unit Dimension WXHXD Outdoor Unit Dimension of Carton Box LXWXH Outdoor Unit Dimension of Package LXWXH M M B B 62 63 776 540 320 776X540X320 Pa Pa A 51 53 A m m 848X360X580 848X360X580 m 851X363X595 851X363X595 Outdoor Unit Net Weight a Y g g m m m m m m m m 2 29 Outdoor Unit Gross Weight k 32 Refrigerant Refrigerant Charge k Connection Pipe Length m Connection Pipe Gas Additional Charge g 2 Outer Diameter of Liquid Pipe m Outer Diameter of Gas Pipe m Max Distance Height Max Distance Length Note The connection pipe applies metric diameter Connection Pipe 9 52 The above data is subject to change without notice please refer to the nameplate of the unit 1 3 5 8 1 5 0 10 15 Technical Information E o 2 2 Operation Characteristic
23. and the swinging is effectual only on condition that setting the swinging order and the gt T 20 e Installation and Maintenance Service Manual inner fan is running The indoor fan and compressor may get the power when air deflector is on the default location 10 Display NOTE Nixie tube is not available for A8 panel D Operation pattern and mode pattern display All the display patterns will display for a time when the power on the operation indication pattern will display in red under standby status When the machine is start by remote control the indication pattern will light and display the current operation mode the mode light includes Cooling heating and dehumidify If you close the light key all the display patterns will close Double 8 display According to the different setting of remote control the nixie light may display the current temperature the temperature scope is from 16 to 30 C and indoor ambient temperature The heating and air supply temperature will display 25 C under auto mode the temperature will display 20 C under the heating mode and under defrosting status heating indicator on indoor unit OFF 0 5s and ON 10s If you set the fahrenheit temperature display the nixie light will display according to fahrenheit temperature 11 Protection function and failure display E2 Freeze proofing protection E4 Exhausting protection 5 Overcurrent protection Communication failure F1 Indo
24. atd aang Malfunction blinking ON 0 55 and OFF Rue ee blinking ON 0 5s and OFF status 0 55 34 Compressor intermediate frequence in test state Overcurrent protection of phase current for compressor Charging malfunction of capacitor Malfunction of module temperature sensor circuit Module high temperature protection Overload protection for compressor IPM protection temperature is too high and blink 8 times OFF 35 and blink 4 times OFF 35 and blink 10 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Showing during middle cooling or
25. blink 13 times and blink 8 times Frequencv limiting module and blink 11 times Malfunction 1 Power supply is abnormal of zero cross PC The complete unit stops 2 Detection circuit of indoor control mainboard is abnormal 36 Installation and Maintenance Service Manual If malfunction occurs corresponding code will display and the unit will resume normal until protection or malfunction disappears Yellow indicator blinks for once Compressor stars normal Yellow indicator blinks for twice mm Defrosting normal display of indoor unit Anti freezing protection normal Yellow indicator blinks for 3 times p display of indoor unit Yellow indicator blinks for 4 times IPM protection Yellow indicator blinks for 5 times Overcurrent protection Yellow indicator blinks for 6 times ___ Overload protection Yellow indicator blinks for 7 times Exhaust protection Yellow indicator blinks for 8 times _ ge Overlod protection of compresoor Indicator display Cooling dehumidify or heating current of outdoor unit Red indicator blinks for once M dropped frequency current Red indicator blinks for twice _ Exhaust temp dropped frequency temp Red indicator blinksfor
26. buried inside a wall remove it after the drain hose in the wall is pulled out Disconnect the flare nut for liquid piping by 2 wrenches Use two wrenches to disconnected pipes When disconnecting pipes cover every nozzle with caps so as not to let dust and moisture in 74 e Installation and Maintenance Service Manual 10 Remove evaporator assy Remove the indoor unit from the installation plate When the pipings are disconnected protect the both openings from entering moisture Gas piping Auxiliarv piping Release the hook of the piping fixture on the Piping fixture back of the unit Installation and Maintenance o e 75 Service Manual sel Le E rj LA d LI Loosen the 2 screws in the right and the left which fix the evaporator assy Screws Auxiliary piping Widen the auxiliary piping to the extent of 10 20 Pull the evaporator assy evaporator to the front side to undo l mi the hooks completely v RAMM TITTI
27. connection board Main board of IDU matches with that of ODU Yes lo Connection of communication wire is damaged or not Main board matches with display Connect the wire properly according to the wiring diagram Is malfunction eliminated No Match correctiv according to product specification Is malfunction eliminated Yes b Is malfunction eliminated Replace the 4 Yes connection wire 4 Replace the main board of IDU Is malfunction eliminated Installation and Maintenance Yes Replace the main board of ODU 43 Service Manual Outdoot Unit 1 Capacitor charge fault Fault with outdoor unit AP1 below refers to the outdoor control panel Main Check Points eUse voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC 240VAC els the reactor L correctly connected Is the connection loose or fallen Is the reactor L damaged Fault diagnosis process Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage testing circuit on control panel AP1 Replace the control panel 1 Voltage higher than 200V Measure the AC voltage between terminalL andN on wi
28. is too low Compressor rated Installation and Maintenance o e During cooling and drving operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drving operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop 1 Measure the voltage of position L and N on wiring board XT if the voltage is higher than 265VAC turn on the unit after the supply 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 1 Measure the voltage of position L and N on wiring board XT if the voltage is higher than 150VAC turn on the unit after the supply 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 Showing during min cooling or min heating test Showing during nominal cooling or nominal heating test Showing during max cooling or max heating test 33 Service Manual Possible Causes Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display during
29. jumper cap Assemble the jumper cap with the same model Yes No 15 malfunction eliminated No Is the jumper cap inserted correctly and tightly Insert the jumper cap tightly No s malfunction Yes eliminated Yes Replace the jumper cap with the same model Is malfunction Yes eliminated Yes No Replace the mainboard with the same model End Installation and Maintenance o 41 Service Manual 42 4 Malfunction of Zero crossing Inspection Circuit Malfunction of the IDU Fan Motor Main detection points Instant energization afte de energization while the capacitordischarges slowly e The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Start Turn power off for 1minute the turn back on U8 is still displayed The unit returns to normal Conclusion U8 is displayed due to power off on while the capacitor discharges slowly The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same model End Installation and Maintenance Service Manual 5 Communication Malfunction Troubleshooting for E6 malfunction Disconnect power and check if the connection wire of indoor and outdoor units and the built in wire of electric box are correctly connected Correct
30. middle heating test Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor Refer to the part three charging malfunction analysis of capacitor Replace outdoor control panel AP1 After the complete unit is de energized for 20mins check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly If its no use please replace control panel AP1 1 Wiring terminal OVC COMP is loosened In normal state the resistance for this terminal should be less than 1ohm 2 Refer to the malfunction analysis discharge protection overload Refer to the malfunction analvsis IPM protection loss of svnchronism protection and overcurrent protection of phase current for compressor Installation and Maintenance Service Manual Display Method of Outd Display Method of Indoor Unit ogee ni Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Indicator Display during Malfunction Dual g blinking ON 0 55 and OFF Name Desynchro nizing of compressor Outdoor DC fan motor malfunction and blink 9 times Indoor unit and outdoor unit doesnt i Installation and Maintenance contino usly during blinking ON 10s and OFF 0 55 and blink twice A C status Internal fan motor external fan motor c
31. plate 2 Installation and Maintenance 74 Service Manual Display PCB ASSY Z Remove display PCB sub Assy Remove swing motor 72 e Installation and Maintenance Service Manual To remove the control B The control PCB is PCB unfasten the 2 hooks at the upper part from the rear side integrated with the power supply PCB Lift up the upper part of the control PCB and remove it Installation and Maintenance U al 73 Service Manual A A If gas leaks repair the spot of Lift the indoor unit by a wooden base leaking then collect all refrigerant from the unit After conducting vacuum drying recharge proper amount of refrigerant CAUTION Do not contaminate any gas including air other than the specified refrigerant R 410A into refrigerant cycle Contaminating of air or other Place a plastic sheet S gas causes abnormal high under the drain pan as cal 2 SSS V pressure in refrigerating remaining drain may coe 4 AM cycle and this results in pipe eak a breakage or personal injuries Drain hose Extension drain hose Pay attention so that the residual water in the drain will not make the floor wet Disconnect the flare nut for gas piping by 2 wrenches In case that a drain hose is
32. t be Started Up Possible Causes Discriminating Method Air conditioner Status Troubleshooting Confirm whether it s due to power failure If yes No power supply or poor After energization operation indicator isn t bright wait for power recovery If not check power onnection for power plug the buzzer can t give out sound upply circuit and make sure the power plug is onnected well rong wire connection between indoor unit and outdoor unit Under normal power supply circumstances or poor connection for wiring operation indicator isn t bright after energization erminals Check the circuit according to circuit diagram and connect wires correctly Make sure all iring terminals are connected firmly Make sure the air conditioner is grounded reliably Make sure wires of air conditioner is connected orrectly Check the wiring inside air conditioner Check hether the insulation layer of power cord is damaged if yes place the power cord n fter energization air switch trips off Select proper air switch After energization operation indicator is bright Malfunction of remote controller while no display on remote controller or buttons have no action After energization room circuit breaker trips off at Electric leakage for air conditione geo 9 onen nce Replace batteries for remote controller Repair or replace remote controller 2 Poor Cooling Heating for Air Conditioner Possible Causes Discrimina
33. the unit with cooling capacity of 2300W 5000W 6 expansion screws are needed for the unit with cooling capacity of 6000W 8000W 8 expansion screws are needed for the unit with cooling capacity of 10000W 16000W 10 expansion Screws are needed Chassis Outdoor drain joirt Drain vent At least 3cm above the floor aS nose Fig 18 Fig 19 2 Install Drain Joint Only for cooling and heating unit 1 Connect the outdoor drain joint into the hole on the chassis 2 Connect the drain hose into the drain vent As show in Fig 19 3 Fix Outdoor Unit 1 Place the outdoor unit on the support 2 Fix the foot holes of outdoor unit with bolts As show in Fig 20 Foot holes EH lu Screw Foot holes Handle Fig 20 Fig 21 4 Connect Indoor and Outdoor Pipes 1 Remove the screw on the right handle of outdoor unit and then remove the handle As show in Fig 21 2 Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe As show in Fig 22 Liquid pipe Pipe joint LX 5 8 Liguid gas pipe Union nut gas valve Fig 22 3 Pretightening the union nut with hand 4 Tighten the union nut with torque wrench Installation and Maintenance o Refer to the following table for wrench moment of force Hex nut diameter mm Tightening torque N m ______96 15 20 9 52 30 40 45 55 60 65 70 75 5 Connect Outdoor Electric Wire 1 Remo
34. will operate at low speed At least 210 seconds of operation shall be maintained for switchover between high and low speeds med and low speeds and high and low speeds 7 Buzzer Control The buzzer will send a Di sound when the air conditioner is powered up or received the information sent by the remote control or there is a button input the single tube cooler doesnt receive the remote control ON signal under the mode of heating mode 8 Auto button If the controller is on it will stop by pressing the button and if the controller is off it will be automatic running state by pressing the button swing on and light on and the main unit will run based on the remote control if there is remote control order 9 Up and Down Swinging Control When power on the up and down motor will firstly move the air deflector to o counter clockwise O 0 close the air outlet After starting the machine if you dont set the swinging function heating mode and auto heating mode the up and down air deflector will move to D clockwise under other modes the up and down air deflector will move to L1 If you set the swinging function when you start the machine then the wind blade will swing between L and D The air deflector has 7 swinging states Location L Location A Location B Location C Location D Location L to Location D stop at any location between L D the included angle between L D is the same The air deflector will be closed at 0 Location
35. work normally Replace the fan capacitor C1 Replace the control panel AP1 Replace the outdoor fan End Installation and Maintenance o 47 Service Manual 48 4 Start up failure following AP1 for outdoor unit control board Mainly detect eWhether the compressor wiring is connected correct els compressor broken els time for compressor stopping enough Fault diagnosis process Power on the unit Restart it up after 3 minutes Is stop time of the compressor longer than 3 minutes Does startup fail Connect the wires as per the connection diagram Are the wires for the compressor connected correctly Is connection sequence right Replace the control panel AP1 No If the fault is eliminated Replace the compressor Yes Installation and Maintenance Service Manual 5 Out of step diagnosis for the compressor AP1 hereinafter refers to the control board of the outdoor unit Mainly detect els the system pressure too high els the input voltage too low Fault diagnosis process Out of step occurs once the unit is powered on No Is stop time of the compressor longer than 3 minutes Are the wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction No Connect the wires correctl Replace the c
36. 1521210701 1521210701 30 Cold Plasma Generator 1114001602 76512210 76512210 76512011 76512011 10542024 10542024 76712020 76712020 305100611 305100611 390000453 390000453 39000305 39000305 Connecting Cable 400204056 400204056 Above data is subject to change without notice lt 31 Evaporator Support 32 Fan Bearing 33 Damping Washer Sub assy Axile Bush Sub assy 5 emperature Sensor emperature Sensor 58 Installation and Maintenance Service Manual Part Code GWH12KF K3DNA9G I Helicoid Tongue 26112486 Air Louver 10512160 Shaft of Guide Louver 1054202001 10 Drainage Pipe Sub assy 0523204101 11 _ Rear Case assy 2220229501 12 Electric Box Assy 10000202336 13 Electric Box Cover 20122106 14 Shield Cover 01592076 15 Crank 73012005 16 _ Step Motor 1521210701 25 25 28 Cross Flow Fan 10352423 29 Evaporator Assy 01002958 30 Cold Plasma Generator 31 Evaporator Support 24212108 32 Fan Bearing 76512210 33 Damping Washer Sub assy 76512011 34 JAxile Bush Sub assy 10542024 35 Pipe Plug Outlet 76712020 36 _ Remote Controller 305100611 37 emperature Sensor 390000453 38 emperature Sensor 39000305 39 Connecting Cable 400204056 40 Above data is subject to change without notice x 7 9 00 ow O2 O9 15 1 o 08 19 2 22 23 EEN 25 26 27 _ 29 30 32
37. 39 3 5 36 37 38 39 40 Installation and Maintenance o 59 Service Manual Part Code GWHO9SKF K3DNASG I GWH12KF K3DNA5G I Cold Plasma Cold Plasma CB146N37600 CB146N37500 2001232501S 2001232501S 1112208201 1112208201 24252019 24252019 63062017 63062017 2001237501 2001237501 10512119 10512119 26112486 26112486 10512160 10512160 1054202001 1054202001 0523204101 0523204101 2220229501 2220229501 10000201391 10000201392 20122106 20122106 01592076 01592076 73012005 73012005 1521210701 1521210701 Helicoid Tongue Air Louver Shaft of Guide Louver 10 11 12 13 14 15 16 Drainage Pipe Sub assy Rear Case assy Electric Box Assy Electric Box Cover Shield Cover Crank Step Motor 20012325015 220820 _____ 24282009 _____ 63002007 O _ 2001237501 ______ _______ 1 2 _____ ________2612486 10012160 ______ 1054202000 O _ 0828200400 _____ 22202250 O 10000201391 _____ 20022000 ______ 01592076 ______ __ 739002000 00 48120701 O 17 18 19 20 3301000213 O 30138000407 42011283 U 01592076 ______ 0125201801A EE O 10302428 010027 ______ _______1114001602 O 2421208 U UO o 76512210 T5020 _____ _______10542024 ______ 76712000 O 30510061 _ 39000453 ______ 390030 _____ 4002040560 ______ 76512210 76512011 10542024 76712020 305100611 390000453 38 39000305 39000305 39 Connecting Cable 400204056 400204056
38. Main Board BN 7 BN e L 4 B5 ACL E YEON VEGN OVC COMP OFAN tj EZ od TERMINAL m BLOCK VEGN BUY YEYRDY A 2 RD RD BN 2 14 T Lo Se M veen QEN RD SPE ELECTRICAL V SAT Pe paid POWER BOX PED u W ug NOTOR pp Heater Heater T COMP ERLOARD VEEN PEN 2 NOTE Motor MID ISOLATION comp PROTECTOR SHEET pp QD iron shell motor 2 GWHO9KF K3DNA6G 0 CB146W36200 GWH12KF K3DNA6G O CB146W36100 ZN WARNING OUTTUBE OUTROOM EXHAUST REACTOR Please don t touch any TEMP TEMP TEMP 4 WAT L gt terminal when the machine is SENSOR SENSOR SENSOR VALVE BU BN running stopping or has been ba uc powered off for less than 30 oj J 13 L3 minutes to prevent the risk E E 84 av me of electric shock 20k 150 50k VT MAGNET IC A LXi 1 LX1 2 XT RING CN2 AWAY BU L1 BU N IND N 2 L2 BK BK x 2 gt COMU AP Main Board IBN L1 BN L 3 b AC L1 ES ERN YEGN OVC COMP OFAN CN A TERMINAL Uv BLOCK VEGN BUY YEYRDY 9 iel RD RD tg EKV LN wk Sax M veen De LYEGN BU YERD oat JpE 1 ELECTRONIC ELECTRICAL gt FAN PE EXPANSION VALVE POWER B EO bdo Aio T YEGN COMP o eR YEGN PROTECTOR NOTE Motor MID ISOLATION COMP E d SHEET pe QD iron shell motor These wiring diagrams are subject
39. N OFF Button MODE Button Button FAN Button 31 Button Button HEALTH SAVE Button X FAN Button TEMP Button TIMER Button TURBO Button SLEEP Button LIGHT Button Set fan speed Send signal AIR HEALTH X FAN won FILTER gel TURBO me ATI HOUR ON OFF 0 o Set temperature Turbo mode TIMER ON TIMER OFF Set time Q Indoor ambient temp e After putting through power air conditioner will give out a sound and operation indicator b is ON red indicator You can operate the air conditioner through the remote controller At ON status after each pressing button on remote controller the signal icon give out a sound which indicates the signal has been sent to air conditioner A remode controller will flash once Air conditioner will At OFF status display screen on remote controller displays set temperature At on status display screen on remote controller displays the corresponding start up function s icon Technical Information Service Manual 1 ON OFF button Press this button can turn on or turn off the air conditioner After turning on the unit operation indicator indoor unit is ON green indicator Color may be differ ent for different models and indoor unit gives out a sound 2 MODE button Press this button can select your required operation mode AUTO COOL DRYF AN HEAT e After selecting
40. O GREE Change for Life Service Manual Models GWHO9KF K3DNA5G GWHO9KF K3DNA6G GWHO9KF K3DNA9G GWHO9KF K3DNB2G GWH12KF K3DNA5G GWH12KF K3DNA6G GWH12KF K3DNA9G GWH12KF K3DNB2G GWH12KF K3DNB3G Refrigerant R410A GREE ELECTRIC APPLIANCES INC OF ZHUHAI Service Manual Table of Contents Part Technical Information 1 1 Summary eee 1 2 SPECITICATIONS werden ennen de 2 2 1 5 SNES nnie endet hee eni aen afud a Nd 2 2 2 Operation Characteristic dat 6 2 3 Capacity Variation Ratio According to Temperature 6 2 4 Cooling and Heating Data Sheet in Rated Frequency eese 7 2 95 NOISE CUE cc M 7 3 Outline Dimension Diagram B 8 CM gessi PT NETTEN 8 3 2 UNIO OG CUD eM i i i 8 4 Refrigerant System Diagram PA 9 5 Electrical Bart nouerit ce tete a 10 KIM 10 5 2 PCB Printed Diagram nr eten i 12 6 Function and Control 14 5 1 Remote Controller ader 14 6 2 Brief Description of Modes and 18 Part II Installation and Maintenance 92 T Notes for Installation and
41. Power Rated Frequency Service Manual GWH12KF K3DNA6G LCLH GWH12KF K3DNB2G LCLH GWH12KF K3DNASG LCLH CB146036101 CB409002401 CB146037501 220 240 50 SUPP Phases EE lt lt ___ Power Supply Mode Cooling Capacity Min Max Heating Capacity Min Max Cooling Power Input Min Max Heating Power Input Min Max Cooling Current Input Heating Current Input Rated Input Rated Cooling Current Rated Heating Current 1 Oudor Outdoor 900 200 1550 1100 200 1550 Air Flow Volume SH H M L 600 520 370 280 680 560 410 300 Dehumidifying Volume Uh B COP SEER SCOP 3 11 3 45 5 6 5 6 Application Area m 12 18 GWHO9SKF K3DNA6G I GWHO9SKF K3DNB2G I GWHO9SKF K3DNASG I CB146N36200 CB409N02701 CB146N37600 Cross flow Indoor Unit Model Indoor Unit Fan Type 16 24 GWH12KF K3DNA6G I GWH12KF K3DNB2G I GWH12KF K3DNASG I CB146N36100 CB409N02400 CB146N37500 Cross flow Indoor Unit Fan Diameter Length DXL 92 596 Cooling Speed SH H M L Heating Speed SH H M L ndoor Unit Fan Motor Power Output ndoor Unit Fan Motor RLA Indoor Unit Fan Motor Capacitor 92 596 r min r min Indoor Evaporator Form Unit vaporator Pipe Diameter vaporator Row fin Gap vaporator Coil Length LXDXW wing Motor Model wing Motor Power Output use Current ndoor Unit Sound Pressure Level SH H M L d ndoor Unit Sound Power Level SH H M L d ndoor Unit Dimensio
42. ade with a tool to see whether the blade rotates smoothly Service Manual No Tighten the screw reassemble the blade motor shaft bearing rubber base sub assy to make sure there is no foreign object between them Yes No heck if the connection of PG otor feedback terminal is firm 15 malfunction Yes eliminate No Insert the control terminal of PG motor tightly Measure the voltage of this foot to neutral wire on the mainboard No Yes No 5 malfunction eliminated Check if the connection of PG No motor control terminal is firm Reinstall the blade and motor correctiv Yes No s malfunction Yes eliminated Turn on the unit again measure whether the output voltage on Yes control terminal for PG motor is Yes more than 50V within 1 min after the louvers are opened Yes Is the motor started up No Replace PG motor Is malfunction Yes NI eliminated v Replace the mainboard with the same model lt ee 9 Installation and Maintenance Service Manual 3 Malfunction of Protection of Jumper Cap Main detection points Is there jumper cap on the mainboard 5 the jumper cap inserted correctly and tightly e The jumper is broken e The motor is broken e Detection circuit of the mainboard is defined abnormal Malfunction diagnosis process Is there jumper cap on the mainboard No 8 Appearance of the l
43. an set TIMER ON Please refer to TIMER off for detailed operation Cancel TIMER ON Press TIMER button again under TIMER ON status Note Time setting range 0 5 24 hours Time interval between two operations can t exceed 5s Otherwise remote controller will exit the setting status automatically 11 TURBO button When pressing this button under cooling or heating mode air conditioner will enter into quick cooling or quick heating mode The character of TURBO is displayed on remote controller Press this button again to exit turbo function and the character of TURBO will be disappeared on remote controller 12 SLEEP button Press this button under cooling heating mode can start up sleep function icon will be displayed on remote controller Press this button again to cancel sleep function G icon on remote controller will be displayed 13 LIGHT button Press this button can turn off the light for indoor unit s display 25 icon on remote controller will disappear Press this button again to turn on the light for indoor unit s display 5 icon on remote controller will be displayed e Technical Information Service Manual Function introduction for combination buttons Child lock function Press and buttons simultaneously can turn on or turn off child lock function When child lock function is started up icon will be displayed on remote controller If operate remote controller ig icon will flash three times
44. and Maintenance Service Manual 7 Remove electrical box Disconnect the cable clamp Disconnect the connection wires Remove temperature sen sor Remove a screw on the terminal board Installation and Maintenance am attention to the direction TA of the retainer of the thermistor so that retainer will not touch the harness same as the existing models Connecting wires Take care not to lose the clip of thermistor Heat exchanger thermistor Earth wire Heat exchanger thermistor 7 IA LU The electrical box can be removed instead of disengaging the terminal board 69 Service Manual 70 Remove fan motor Signal Wire fan motor Signal Wire Remove a screw on the electrical box Pull up the electrical box forward to remove Installation and Maintenance Service Manual 8 Remove the shield plate and control PCB Unfasten the hooks at the upper 2 positions of the shield plate B Remove the electrical box according to the Removal of Electrical Box shield plate 1 Unfasten the hook at the lower position and remove the shield plate 1 Lift the shield plate 2 and unfasten the 2 hooks Slide the shield plate 2 and remove it Shield
45. auto mode air conditioner will operate automatically according to ambient temperature Set temperature can t be adjusted and also can t be displayed Press FAN button can adjust fan speed Press button can adjust swing angle e After selecting cool mode air conditioner operates under cool mode Cool indicator on indoor unit is ON You can press or button to adjust set temperature Press FAN button can adjust fan speed Press SI button can adjus t swing angle e After selecting dry mode air conditioner operates under dry mode at low speed Dry indicator lt on indoor unit is ON Under dry mode fan speed can t be adjusted Press button to adjust swing angle After selecting fan mode air operates only under fan mode All mode indicators on indoor unit is OFF Operation indicator is ON Press FAN button can adjust fan speed Press SI button to adjust swing angle e After selecting heat mode air conditioner operates EM heat mode Heat indicator on indoor unit is ON You can press or button to adjust set temperature Press FAN button to adjust fan speed Press SII button to adjust swing angle Cooling only unit can t receive the signal for heating mode Note For preventing cold wind after starting up heating mode indoor fan will blow fan afterdelaying 1 5min Details time is decided by indoor ambient temperature Temperature setting range on remote controller 16 C 30 C 61 F 86 F Fan sp
46. cal 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 Please install proper power supply cables before using the air conditioner Air switch capacity 09 12K 4 Properly connect the live wire neutral wire and grounding wire of power socket 5 Be sure to cut off the power supply before proceeding any work related to electricity and safety 6 Do not put through the power before finishing installation 7 For appliances with type Y attachment the instructions shall contain the substance of thefollowing lf the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard 8 The temperature of refrigerant circuit will be high please keep the interconnection cable away from the copper tube 2 Grounding Requirement 1 The air conditioner is first class electric appliance It must be properly grounding with specialized grounding device by a professional Please make sure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which can t be used for other purposes 3 The grounding resistance should comply with national electric safety regulations 4 The appliance must be pos
47. ce Manual LA il Zn Zn 510 201 283 Y unit mm unit mm Technical Information Service Manual 4 Refrigerant System Diagram Indoor unit Outdoor unit Gas pipe side wee B Valve E i Heat exchanger Compressor evaporator exchanger Y _ condenser 000 8 2 Valv Strainer Electron Capillary Strainer expansion 4 COOLING HEATING valve Connection pipe specification Liquid pipe 1 4 6mm Gas pipe 3 8 9 52mm Technical Information 5 Electric al Part 5 1 Wiring Diagram elnstruction Service Manual Symbol Symbol Color Symbol Symbol Color Symbol CA e Indoor Unit GN BN BU BK OG Green O emmangue Bak 7 v we oe ome f Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 10 TUBE TEM SENSOR aff RT2 ROOM TEM SENSOR aff RT FAN MOTOR A
48. d Maintenance 21 Service Manual Part II Installation and Maintenance 7 Notes for Installation and Maintenance Safetv Precautions importanti Please read the safety precautions carefully before installation and maintenance The following contents are very important for installation and maintenance Please follow the instructions below eThe installation or maintenance must accord with the instructions eComply with all national electrical codes and local electrical codes ePay attention to the warnings and cautions in this manual installation and maintenance shall be performed by distributor or qualified person eAll electric work must be performed by a licensed technician according to local regulations and the instructions given in this manual eBe caution during installation and maintenance Prohibit incorrect operation to prevent electric shock casualty and other accidents N Warnings Electrical Safetv Precautions 1 Cut off the power supply of air conditioner before checking and maintenance 2 The air condition must applv specialized circuit and prohibit share the same circuit with other appliances 3 The air conditioner should be installed in suitable location and ensure the power plug is touchable 4 Make sure each wiring terminal is connected firmly during installation and maintenance 5 Have the unit adequatelv grounded The grounding wire can t be used for other purposes 6 M
49. e e Check the quality of expanding port If there is any blemish expand the port again according to the steps above c leaning damaged surface The length is equal Installation and Maintenance o crack x Burr uneven thickness 85 Service Manual Appendix 4 List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor 15K Temp C Resistance kQ Resistance kO Temp C Resistance kO Temp C Resistance kO 19 20 18 75 59 3 848 1 071 ss z sm 19 1216 22 100 us z 13 34 m 45 we a 63 3 102 e Ca 2 5 oe oa 26 es 315 104 el o2 e 2008 ws oss t 28 286 10 o ers s ee o es 30 120 272 18 pose em _ 70 5 32 11 09 71 2 523 0 758 ro EXIST mede 1 d 5 12 73 238 4 s em n oer 3 57 18 36 9 382 75 2 206 0 678 EEE es 1 Pa 204 ne 39 8297 78 199 _ 0625 46 6 40 7 967 79 1 933 0 608 2
50. e fluctuant The water outlet can t be placed f x in water The water The drain hose can t be fluctuant Gs outlet can t be Fig 27 fluctuant Fig 26 8 7 Vacuum Pumping and Leak Detection 1 Use Vacuum Pump 1 Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump 3 Open the piezometer completely and operate for 10 15min to check if the pressure of piezometer remains in 0 1MPa 4 Close the vacuum pump and maintain this status for 1 2min to check if the pressure of piezometer remains in 0 1MPa If the pressure decreases there may be leakage 5 Remove the piezometer open the valve core of liquid valve and gas valve completely with inner hexagon spanner 6 Tighten the screw caps of valves and refrigerant charging vent As show in Fig 28 Liquid valve Gas valve Refrigerant chargin vent kal Nut of refrigerant Charging vent Fig 28 2 Leakage Detection 1 With leakage detector Check if there is leakage with leakage detector 2 With soap water If leakage detector is not available please use soap water for leakage detection Apply soap water at the suspected position and keep the soap water for more than 3min If there are air bubbles coming out of this po
51. eared e Total current up and frequency down protection If the total current ISW frequency rise will be allowed if lj 2X frequency rise will not be allowed the compressor will run at reduced frequency and if l 2Z the compressor will stop and the outdoor fan will stop with a time lag of 30s 4 Fan Mode Under the mode the indoor fan will run at preset speed and the compressor the outdoor fan the four way valve and the electric heater will stop Under the mode temperature can be set within a range of 16 30 5 AUTO Mode D The condition and process of auto a When Tamb 226 C the unit will operate at Cooling mode In that case the set temperature will be 25 C b When Tamb s22 C the heat pump unit will operate at Heating mode In that case the set temperature will be 20 C the cooling only unit will operate at Fan mode and the set temperature will be 25 C c When 23 CsTamb s25 C the unit will keep its operation status but if it is firstly energized the unit will operate at Fan mode d When unit operates at Auto mode the frequency of compressor will be the same as that in Cooling mode if the unit is coolingwhile it will be the same as that in the Heating mode if the unit is heating Protection function a In cooling operation protection is the same as that under the cooling mode b In heating operation protection is the same as that under the heating mode c When ambient temperature changes operation mode w
52. eed setting range auto low speed medium speed and high speed 3 or button e After each pressing of or button it can increase or decrease set temperature 1 C 1 F 2 F Hold or button 2s later set temperature on remote controller will change quickly After reaching to your required time loosen the button Temperature indicator on indoor unit will also change accordingly Temperature can t be adjusted under auto mode Under TIMER ON TIMER OFF or Clock setting you can press button to adjust time Refer to TIMER button for details 4 FAN button Pressing this button can set fan speed circularly as auto AUTO low 4 medium ad high ad ff Qu gt 24 44 Note Under AUTO Speed IDU fan motor will adjust the fan speed high medium or low speed according to ambient temperature Fan speed under dry mode is low speed 5 51 button Press this button to start or stop up amp down swing function The remote controller defaults to simple swing condition e Press button and SI button at the same time at unit OFF to switch between simple swing and static swing SI blinks for 2 seconds e In static swing condition pressing SI button the swing angle of up 8 down louver changes as below C gt gt gt I E Marconi louvers l stops at current position e If the unit is turned off during swing operation the louver will stop at presen
53. em will stop 4 Module protection Under module protection mode the compressor will stop When the compressor remains at stop for at least 3 minutes the compressor will resume its operation If module protection occurs six times in succession the compressor will not be started again 5 Overload protection If temperature sensed by the overload sensor is over 115 the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds If temperature is below 95 the overload protection will be relieved If voltage on the DC bus is below 150 or over 420V the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds When voltage on the DC bus returns to its normal value and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation Installation and Maintenance 19 Service Manual 3 Other Controls 1 ON OFF Press the remote button ON OFF the on off state will be changed once each time you press the button 2 Mode Selection Press the remote button MODE then select and show in the following ways AUTO COOL DRY FAN HEAT AUTO 3 Temperature Setting Option Button Each time you press the remote button or the setting temperature will be up or down by 1 C Regulating Range 16 30 C the button is useless under the AUTO mode 4 Time Switch You should start and stop the machine according to the setting time by remote co
54. emperature will decrease 1 C every one hour After temperature is increased by 1 C the unit will keep this temperature c When initial temperature setting is 21 27 after turning on sleep function temperature will decrease 1 C every one hour After temperature is increased by 2 C the unit will keep this temperature d When initial temperature setting is 28 30 C after turning on sleep function temperature will decrease 1 C every one hour After temperature is increased by 3 C the unit will keep this temperature 6 Indoor Fan Control Speed of indoor fan can be set as Turbo High Med Low by remote control In that case fan will operate at super high high medium or low speed accordingly The fan speed can also be set at Auto which is as follows In heating mode in auto heating or heating mode the auto fan speed is as follows Tamb sTpreset 1 C indoor fan will operate at high speed b Tpreset 1 C lt Tamb lt Tpreset 3 C indoor fan will operate at med speed c Tamb 2Tpreset 3 C indoor fan will operate at low speed At least 210 seconds of operation shall be maintained for switchover between high and low speeds med and low speeds and high and low speeds In cooling mode in auto cooling or cooling mode the auto fan speed is as follows Tamb 2Tpreset 2 C indoor fan will operate at high speed b Tpreset Tamb Tpreset 2 C indoor fan will operate at med speed c Tamb sTpreset indoor fan
55. er than 16 C the air conditioner can t start cooling e Installation and Maintenance Service Manual 9 Maintenance 9 1 Flashing LED of Indoor Outdoor Unit and Primary Judgement Display Method of Outd Display Method of Indoor Unit pes ni Indicator has 3 kinds of Indicator Display during Malfunction 5 e blinking ON 0 55 and OFF Name Code Display High pressure protection of System block or refrigerant and blink protection of compressor Overcurrent and blink protection 5 times display status and during blinking ON 0 5s and OFF A C status During cooling and drying operation except indoor fan operates all loads stop operation During heating operation the complete unit stops During cooling and drying operation compressor and outdoor fan stop while indoor fan operates The Dual 8 Code Display will show E3 until the low pressure switch stop operation During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop Possible Causes Possible reasons 1 Refrigerant was superabundant 2 Poor heat exchange including filth blockage of heat exchanger and bad radiating environment Ambient temperature is too high 1 Poor air return in ind
56. eversal valve will run the indoor fan will delay 3min to stop at the latest If Tpreset 2 CsTambsTpreset 5 C the unit will keep running in the original mode If TambzTpreset 5 C the compressor will stop the outdoor fan will delay 30sec to stop and indoor fan will blow 605 at low speed the fan speed cannot be shifted within blow residual heat eln this mode the temperature setting range is 16 30 eThe air conditioner will adjust the running frequency of the compressor automatically according to the change of ambient temperature eWhen the unit is turned off in HEAT mode or switched to other mode from HEAT mode the four way valve will be powered off after the compressor stops 2 The condition and process of defrosting When frost is detected in the condenser the system will enter into defrosting state When defrosting starts the compressor and indoor fan will stop and the outdoor fan and four way valve will delay 30 seconds to stop The compressor will start after 15 seconds and then defrosting will be started When the compressor has run for 7 minutes or defrosting is finished the compressor will stop After 30 seconds the four way valve opens and after another 60 seconds the compressor and outdoor fan resume running The indoor fan will delay 3 minutes to run at the latest and heating indicator on indoor unit OFF 0 5s and ON 10s 9 Protection function eAnti cold wind protection In HEAT mode in order to prevent the indoor u
57. fault of outdoor unit AP1 hereinafter refers to the control board of the outdoor unit Mainly detect eCheck if the reactor L of the outdoor unit and the PFC capacitor are broken Fault diagnosis process Check wiring of the reactor L of the outdoor unit and the PFC capacitor Replace it as per the wiring diagram and reconnect the wires Whether there is an damage or short circuit2 If the fault is eliminated y Remove the PFC capacitor No and measure resistance between the two terminals The capacitor is short circuited and the capacitor Restart the unit 15 the resistance around zero If the fault is eliminated Disconnect the terminals for the reactor and measure the between the two terminals of the reactor by an ohm gauge hether there is any damage or short circuit If the fault is eliminated Restart the unit Replace the control panel AP1 Yes Installation and Maintenance 51 Service Manual 52 8 Communication malfunction following AP1 for outdoor unit control board Mainly detect els there any damage for the indoor unit mainboard communication circuit Is communication circuit damaged eDetect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not if is there any damage Fault diagnosis process Chec
58. ill be converted preferentially Once started the compressor will remain unchanged for at least 6 minutes 6 Common Protection Functions and Fault Display under COOL HEAT DRY and AUTO Modes Overload protection Ttube measured temperature of outdoor heat exchanger under cooling mode and measured temperature of indoor heat exchanger under heating mode 1 Cooling overload a If T tube52 the unit will return to its original operation state b If T tube55 frequency rise is not allowed If T tube58 the compressor will run at reduced frequency d If T tube62 the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If T tube52 the unit will return to its original operation state b If T tube55 frequency rise is not allowed c If T tube58 the compressor will run at reduced frequency d If T tube62 the compressor will stop and the indoor fan will blow residue heat and then stop 2 Exhaust temperature protection of compressor If exhaust temperature 98 frequency is not allowed to rise If exhaust temperature 103 the compressor will run at reduced frequency If exhaust temperature 110 the compressor will stop If exhaust temperature 90 and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation 8 Communication fault If the unit fails to receive correct signals for durative 3 minutes communication fault can be justified and the whole syst
59. itioned so that the plug is accessible 5 An all pole disconnection switch having a contact separation of at least 3mm in all poles should be connected in fixed wiring 6 Including an air switch with suitable capacity please note the following table Air switch should be included magnet buckle and heating buckle function it can protect the circuit short and overload Caution please do not use the fuse only for protect the circuit 8 5 Installation of Indoor Unit 1 Choosing Installation location Recommend the installation location to the client and then confirm it with the client 2 Install Wall mounting Frame 1 Hang the wall mounting frame on the wall adjust it in horizontal position with the level meter and then point out the screw fixing holes on the wall 2 Drill the screw fixing holes on the wall with impact drill the specification of drill head should be the same as the plastic expansion particle and then fill the plastic expansion particles e Installation and Maintenance Service Manual in the holes 3 Fix the wall mounting frame on the wall with tapping screws ST4 2X25TA and then check if the frame is firmly installed by pulling the frame If the plastic expansion particle is loose please drill another fixing hole nearby 3 Install Wall mounting Frame 1 Choose the position of piping hole according to the direction of outlet pipe The position of piping hole should be a little lower than
60. k wiring inside of the indoor and outdoor tart T Did the equipment operate No normallv before the failure occurs Pu EN Check the wiring of the indoor and outdoor units with reference to the wiring diagram quet eee Yes units he AP1 voltage detection circuit is at fault Are wires broken Check the communication If the fault is eliminated circuit of the outdoor unit The communicatio circuit is abnorm No v Replace the main board of the indoor unit is he connection night lv Correctly connect the corresponding wires for the indoor and outdoor units with reference to the wiring diagram No If the fault is eliminated Replace the main board APT of the outdoor unit f the fault is eliminated Yes Installation and Maintenance Service Manual 9 Malfunction of Overcurrent Protection Main detection points Is the supply voltage unstable with big fluctuation e s the supply voltage too low with overload e Hardware trouble Malfunction diagnosis process Is the supply voltage unstable with big fluctuation Normal fluctuation should be within 10 96 of the rated voltage on the nameplate 5 malfunction eliminated Is the supply voltage too low with overload Adjust the supply voltage to maintain it within normal range
61. l it out from the front side As show in Fig 12 3 Remove the wire clip connect the power connection wire to the wiring terminal according to the color tighten the screw and then fix the power connection wire with wire clip As show in Fig 13 No 2 jie blue black brown 9 green Outdoor unit connection Fig 13 4 Put wiring cover back and then tighten the screw 5 Close the panel N Note 1 All wires of indoor unit and outdoor unit should be connected by a professional 2 If the length of power connection wire is insufficient please contact the supplier for a new one Avoid extending the wire by yourself 3 For the air conditioner with plug the plug should be reachable after finishing installation 4 For the air conditioner without plug an air switch must be installed in the line The air switch should be all pole parting and the contact parting distance should be more than 3mm 28 Service Manual 8 Bind up Pipe 1 Bind up the connection pipe power cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should be bound separately at the end Ind
62. l or is damaged Please check it by referring to the resistance table for temperature sensor Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 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 Refer to the malfunction analysis overload high temperature resistant The input supply voltage is too low System pressure is too high and overload Installation and Maintenance Service Manual B Display Method of Outdoor Display Method of Indoor Unit Unit ni A Indicator has 3 kinds of Indicator Display during Malfunction Jblinking ON 0 55 and OFF Name display status and during blinking ON 0 5s and OFF 0 5s Heating Yellow Indicator Indicator Indicator Decrease OFF 35 and blink 4 times A C status All loads operate normally while operation frequency for compressor is decreased All loads operate normally while operation frequency for compressor is decreased Possible Causes Overload or temperature is too high Refrigerant is insufficient Malfunction of electric expansion valve EKV Poor air return in indoor unit or fan speed is too low Voltage for DC bus bar is too high Voltage of DC bus bar
63. left sw 4 3 B Screw stoppers inside the which fix the main body _ cuu CES flap which were equipped in with the front grille e the existing models are not provided Disengage the 3 hooks on the upper part In case that the hooks are not pressed from above remove the front li panel and then remove the grille while pushing the hook through a clearance between the front grille and the heat exchanger At the upper part there are 2 hooks in the left and the right Disengage the hooks by pressing knobs with a The front grille can be screwdriver removed in a manner to pull out the upper part forward and lift up the lower part Installation and Maintenance eee 67 Service Manual sel Ps 6 Remove the vertical blade Unfasten the hooks at the upper 2 positions set of vertical blade has 6 fins as on ASSY It is impossible to replace only one fin The set of vertical blades is not marked for difference between right and left Unfasten the 3 hooks at the shaft mounting part by pressing them with a flat screwdriver a Repeat the same procedure to remove the vertical blade on the other side Remove the vertical blade Vertical blade 68 e Installation
64. mode In this mode the reversal valve will not be powered on and the temperature setting range is 16 30 Protection function eOvercurrent protection If total current is high the compressor will run in limited frequency If total current is too high the compressor will stop the outdoor fan will delay 30 seconds to stop indoor unit will display E5 and outdoor yellow light will blink 5 times eAntifreezing protection When the antifreezing protection is detected the compressor will stop the outdoor fan will stop after 30 seconds and the indoor fan and swing motor will keep running in the original mode When antifreezing protection is eliminated and the compressor has stopped for 3 minutes the compressor will resume running in the original mode 2 Dehumidifying mode Working conditions and process of dehumidifying If Tamb gt Tpreset the unit will enter cooling and dehumidifying mode in which case the compressor and the outdoor fan will operate and the indoor fan will run at low speed If Tpreset 2 C lt Tamb sTpreset the compressor remains at its original operation state If Tamb Tpreset 2 C the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will operate at low speed 2 Protection function Protection is the same as that under the cooling mode 3 HEAT mode The condition and process of heating If TambsTpreset 2 C HEAT mode will act the compressor outdoor fan and r
65. move connection screws connecting the front panel with the chassis and the motor support and then remove the front panel 4 Remove axial flow blade Remove the nut fixing the blade and then remove the axial flow blade 5 Remove right side plate Remove connection screws connecting the right side plate with the valve support and the electric box Then remove the right side plate 80 Grille Axial flow blade Right side plate Installation and Maintenance Service Manual 6 Remove electric box assy Remove the 2 screws fixing the cover of elec tric box Lift to remove the cover Loosen the wire and disconnect the terminal Lift to re move the electric box assy 7 Remove 4 way valve assy Unscrew the fastening nut of the 4 way Valve Assy coil and remove the coil Wrap the 4 way Valve Assy with wet cotton and unsolder the 4 weld spots connecting the 4 way Valve Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compressor 8 Remove capillary sub assy Unsolder weld point of capillary Sub assy B E Capillary Sub assy valve and outlet pipe of condensator
66. n IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly If its no use please replace control panel AP1 1 No jumper cap insert on mainboard 2 Incorrect insert of jumper cap 3 Jumper cap damaged 4 Abnormal detecting circuit of mainboard 31 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit ni Indicator has 3 kinds of Indicator Display during Dual 8 jblinking ON 0 55 and OFF displav status and during blinking ON 0 5s and OFF Malfunction A C status Possible Causes Gathering refrigerant Name 0 55 0 55 Indicator When the outdoor unit receive signal of Gathering refrigerant the system will be forced to run under cooling mode for gathering refrigerant Nominal cooling mode Indoor ambient temperature sensor is open short circuited During cooling and drving operation indoor unit operates while other loads will stop during heating operation the complete unit will stop operation 1 Loosening or bad contact of indoor ambient temp sensor and mainboard terminal 2 Components in mainboard fell down leads short circuit 3 Indoor ambient temp sensor damaged check with sensor resistance value chart 4 Mainboard damaged Indoor evaporator temperature sensor is open short circuited AC stops operation once reaches the setting temperature Cooling drving internal fan motor
67. n WXHXD ndoor Unit Dimension of Carton Box LXWXH ndoor Unit Dimension of Package LXWXH ndoor Unit Net Weight ndoor Unit Gross Weight DI r min mm mm mm o UJ UJ k 1 2 Aluminum Fin copper Tube mm mm mm A A mm mm mm _____9 gt _____ 1 1 0 2 Aluminum Fin copper Tube 7 5 8 kg 2925 3 15 Technical Information Service Manual Outdoor Unit Model GWHO9KF K3DNA6G O GWH12KF K3DNA6G O Outdoor Unit Product Code COMPRESSOR CO LTD COMPRESSOR CO LTD Compressor Model Compressor Oil Compressor Type Compressor Locked Rotor Amp L R A Compressor Rated Load Amp RLA Compressor Power Input Compressor Overload Protector hrottling Method et Temperature Range C Cooling Operation Ambient Temperature Range Heating Operation Ambient Temperature 220 94 20 24 Range Condenser Form Aluminum Fin copper Tube Aluminum Fin copper Tube Condenser Pipe Diameter mm Condenser Rows fin Gap mm Condenser Coil Length LXDXW mm Outdoor Unit Fan Motor Speed Outdoor Unit Fan Motor Power Output Outdoor Unit Outdoor Unit Fan Motor Capacitor uF Outdoor Unit Air Flow Volume m h 1600 Outdoor Unit Fan Tvpe Outdoor Unit Fan Diameter mm Defrosting Method Climate Tvpe solation 22 m y Moisture Protection Permissible Excessive Operating Pressure Permissible Excessive Operating Pressure for the Suc
68. ng the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Connect pipes of outdoor unit Connect wires of outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Installation and Maintenance 25 8 2 Installation Parts checking Name 1 _ Indoor unit ___ 8 Sealing gum 2 Outdoor unit 9 Wrapping tape 3 Connection pipe vei 4 _ Drainage pipe Fixing screw Wall mounting Drainage plug cooling 5 12 frame and heating unit Connecting Owner s manual 13 cable power cord remote controller 7 Wal pipe Ext Note 1 Please contact the local agent for installation 2 Don t use unqualified power cord 8 3 Selection of Installation Location 1 Basic Requirement Installing the unit in the following places may cause malfunction If it is unavoidable please consult the local dealer 1 The place with strong heat sources vapors flammable or explosive gas or volatile objects spread in the air 2 The place with high frequency devices such as welding machine medical equipment 3 The place near coast area 4 The place with oil or fumes in the air 5 The place with sulfureted ga
69. nit from blowing out cold wind each time the compressor starts the indoor fan will delay 3 minutes after the compressor to run at the latest and it can adjust fan speed automatically when temperature is low eOvercurrent protection Overcurrent protection is the same with that in COOL mode eCold air prevention The unit is started under heating mode the compressor is ON 18 Installation and Maintenance Service Manual 1 In the case of Tindoor amb lt 24 C if Tstube40 C and the indoor fan is at stop state the indoor fan will begin to run at low speed with a time lag of 2 minutes Within 2 minutes if Ttube gt 40 C the indoor fan also will run at low speed and after1 minute operation at low speed the indoor fan will be converted tooperation at preset speed Within 1 minute low speed operation or 2 minute non operation if Ttube gt 42 C the fan will run at present speed 2 In the case of Tindoor amb 224 C if Ttubes42 C the indoor fan will run at low speed and afterone minute the indoorfan will be converted to preset speed Within one minute low speed operation if Ttube gt 42 C the indoor fan will beconvertedto preset speed Note Tindoor indicated in 1 and 2 refers to under initially heating mode the indoor ambient temperature before the command to start the compressor is performed according to the program or after the unit is withdrawn from defrost the indoor ambient temperature before the defrost symbol is cl
70. ntrol 5 SLEEP State Control Cooling mode a When initial temperature setting is 16 23 C after turning on sleep function temperature will increase 1 C every one hour After temperature is increased by 3 C the unit will keep this temperature After operation for 7 hours temperature will decrease 1 C After that the unit will operate at this temperature all the time b When initial temperature setting is 24 27 C after turning on sleep function temperature will increase 1 C every one hour After temperature is increased by 2 C the unit will keep this temperature After operation for 7 hours temperature will decrease 1 C After that the unit will operate at this temperature all the time c When initial temperature setting is 28 29 C after turning on sleep function temperature will increase 1 C every one hour After temperature is increased by 1 C the unit will keep this temperature After operation for 7 hours temperature will decrease 1 C After that the unit will operate at this temperature all the time When the initial temperature setting is 30 C the unit will operate under this temperature After operation for 7 hours temperature will decrease 1 C After that the unit will operate at this temperature all the time Heating mode a When initial temperature setting is 16 C the unit operate under this temperature all the time b When initial temperature setting is 17 20 C after turning on sleep function t
71. ocedure of Outdoor Unit 79 Appendix a EAEE EE EE EEEE 84 Appendix 1 Reference Sheet of Celsius and Fahrenheit 84 Appendix 2 Configuration of Connection 84 Appendix 3 Pipe Expandir Method tr 85 Appendix 4 List of Resistance for Temperature Sensor 86 Table of Contents Service Manual Part Technical Information 1 Summary Indoor Unit GWHOO9SKF K3DNASG I Cold Plasma GWH12KF K3DNASG I Cold Plasma GWHO9KF K3DNA6G I Cold Plasma GWH12KF K3DNA6G I Cold Plasma GWHO9KF K3DNB2G I Cold Plasma GWH12KF K3DNB2G I Cold Plasma GWHO9KF K3DNAQG I GWH12KF K3DNAQ9G I GWH12KF K3DNB3G I Cold Plasma Outdoor Unit GWHO9KF K3DNA6G O GWH12KF K3DNA6G O Remote Controller YB1F2 XFAN Technical Information 2 Specifications 2 1 Specification Sheet GWHO9KF K3DNA6G LCLH GWHO9KF K3DNB2G LCLH GWHO9KF K3DNA5G LCLH CB146036201 CB409002701 CB146037601 Product Code Rated Voltage
72. ode Description No GWHO9SKF K3DNA6G O Qty beer toor f 2 Flectic Box SubAssy 100050954 1 _ OO 1 4 Reactor oa 31 5 evm 31 s jwecap 700 705 23 3 s Front PanciAssy ON 1 _ To aten w 193304 1 10 presssuasy moor sw Fama EC 1 w omm 3 _ omm 31 31 _ Resen wenns 31 16 lotic Expand Vale iting soer 1 _ Expansion ave omme raso 3 jme _ CN 3 19 borme w o 3 mo 3 m Omm omm 3 2 Right Side Plato suwas _____ moren ono 31 _ of Electrical Heater 7661281401 Drainage Connecter 06123401 06123401 Electrical Heater Chassis 7651000414 Above data is subject to change without notice Installation and Maintenance e 63 Service Manual M Part Code Description No GWH12KF K3DNA6G O Qty Bement tomo vos 3 2 __ 30050052 10000600055 1 3 Wain Boers EN 3 4 Reactor eme 3 5 wow ws 3 5 Wecem 2 7 exa O meme 3
73. ompressor and electric heater stop operation guide louver stops at present location During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Outdoor DC fan motor malfunction lead to compressor stop operation compressor stop operation and Outdoor fan motor will stop 305 latter 3 minutes latter fan motor and compressor will restart compressor and Outdoor fan motor cant work During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Defrosting will occur in heating mode Compressor will operate while indoor fan will stop operation Possible Causes 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 detecting circuit Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor Refer to the malfunction analysis DC fan motor malfunction or system blocked or the connector loosed To protect the electronical components when detect high power Indoor unit and ou
74. one Connect wires according to wiring diagram to Check the wiring status according to circuit s make sure all wiring terminals are connected diagram Measure the capacity of fan capacitor with an universal meter and find that the capacity is out o the deviation range indicated on the nameplate of an capacitor Power voltage is a little low or Use universal meter to measure the power supply Bst adus with voltadsdqenitater high voltage The voltage is a little high or low 99 quip ge reg F Use universal meter to measure the resistance A Coil of compressor is burnt out Sa Repair or replace compressor between compressor terminals and it s 0 Cylinder of compressor is blockedjCompressor can t operate Repair or replace compressor 6 Air Conditioner is Leaking Discriminating method air conditioner status Troubleshooting Drain pipe is blocked Water leaking from indoor unit the foreign objects inside fhe drain Drain pipe is broken Water leaking from drain pipe Replace drain pipe rapping is not tight hie lae fom the pipe connection place or rap it again and bundle it tightly 7 Abnormal Sound and Vibration hen turn on or turn off the unit he panel and other parts will There s the sound of PAPA Normal phenomenon Abnormal sound will expand and there s abnormal disappear after a few minutes ound hen turn on or turn off the unit here s abnormal sound due Normal phenomenon Abnormal sound will ne Water running so
75. ontrol panel AP1 If the fault is eliminated Replace the compressor End Installation and Maintenance e Out of step occurs in operation Check if the fan terminal Is the outdoor fan working OFAN is connected correctly normally s the outdoor unit blocked by foreign objects Remove foreign objects Replace the control panel AP1 If the fault is eliminated Replace the compressor Replace the fan capacitor C1 Replace the outdoor fan End 49 Service Manual 6 Overload and air exhaust malfunction diagnosis following for outdoor unit control board Mainly detect els the PMV connected well or not Is PMV damaged els refrigerant leaked Fault diagnosis process 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the electroni expansion valve If the fault is eliminated Yes gt No Replace the control panel AP1 Yes gt If the fault is eliminated No Coolant leakage refilling the coolant End 50 ee Installation and Maintenance Service Manual 7 Power factor correct or PFC fault a
76. oor and outdoor power Indoor unit Fig 14 Connection pipe Drainhose Band Fig 15 Indoor power cord N Note 1 The power cord and control wire can t be crossed or winding 2 The drain hose should be bound at the bottom 9 Hang the Indoor Unit 1 Put the bound pipes in the wall pipe and then make them pass through the wall hole 2 Hang the indoor unit on the wall mounting frame 3 Stuff the gap between pipes and wall hole with sealing gum 4 Fix the wall pipe As show in Fig 16 5 Check if the indoor unit is installed firmly and closed to the wall As show in Fig 17 Indoor Outdoor Wall pipe Fig 17 Sealing gum Upper hook Fig 16 Lower hook of wall mounting frame Note Do not bend the drain hose too excessively in order to prevent blocking e Installation and Maintenance Service Manual 8 6 Installation of Outdoor Unit 1 Fix the Support of Outdoor Unit Select it according to the actual installation situation 1 Select installation location according to the house structure 2 Fix the support of outdoor unit on the selected location with expansion screws Note 1 Take sufficient protective measures when installing the outdoor unit 2 Make sure the support can withstand at least four times the unit weight 3 The outdoor unit should be installed at least 3cm above the floor in order to install drain joint As show in Fig 18 4 For
77. oor fan ensor interface Ambient temperature Interface of display Technical Information Service Manual Outdoor Unit e TOP VIEW Ke m gt d OR No Name l 3 Reactor 4 Chassis electric heating 5 Compressor electric heating 6 4 wayvalve 7 PCfa 8 Earthingwire 9 Communication wire 10 Neuralwire 11 Livewire 12 Electronic expansion valve 13 Temperature sensor 14 Overloard 3 5 7 10 11 12 13 14 e hg 10 i Vw x Nm 0 11 Q A Va l 13 i2 eBOTTOM VIEW o9 jo 8 Technical Information Service Manual 6 Function and Control 6 1 Remote Controller Introduction 14 Buttons on remote controller 4 OPER AIR HEALTH X FAN FILTER 0 c FAN AUTO Qu 7 9 TEMP TIME Qed SLEEP LIGHT Beo Introduction for icons on display screen Air mode EE Auto mode Cool mode Dry mode Fan mode Heat mode 0 m Child lock Sleep mode _ ____ Temp displav tvpe l a Set temp Outdoor ambient temp Introduction for buttons on remote controller Note ogcoo0oo0o0o0ocooeo O
78. oor unit 2 Fan speed is abnormal 3 Evaporator is dirty 1 Low pressure protection 2 Low pressure protection of system 3 Low pressure protection of compressor Please refer to the malfunction analysis discharge protection overload 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high 3 Evaporator is dirty Communi cation Malfunction High temperature resistant protection EEPROM malfunction Limit decrease frequency due to high temperature of module Malfunction protection of jumper cap Installation and Maintenance o During cooling operation compressor stops while indoor fan motor operates During heating operation the complete unit stops During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit stops During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop All loads operate normally while operation frequency for compressor is decreased Wireless remote receiver and button are effective but can not dispose the related command Refer to the corresponding malfunction analysis Refer to the malfunction analysis overload high temperature resistant Replace outdoor control panel AP1 Discharging after the complete unit is de energized for 20mins check whether the thermal grease o
79. or ambient sensor start and short circuit continuously measured failure in 5S F2 Indoor evaporator sensor start and short circuit continuously measured failure in 5S F3 Outdoor ambient sensor start and short circuit continuously measured failure in 30S F4 Outdoor condenser sensor start and short circuit continuously measured failure in 30S and dont measure within 10 minutes after defrosted F5 Outdoor exhausting sensor start and short circuit continuously measured failure in 30S after the compressor operated 3 minutes Overload protection of compressor H5 Module protection PH High voltage protection PL Low voltage protection P1 Nominal cooling and heating P2 Maximum cooling and heating Medium cooling and heating PO Minimum cooling and heating 12 Drying Function You may start or stop the drying function under the modes of cooling and dehumidify at the starting status The modes of automatism heating and air supply do not have drying function When you start the drying function after stop the machine by pressing the switch button you should keep running the inner fans for 2 minutes under low air damper The swing will operate as the least status within 2 minutes and other load is stopped then stop the entire machine When you stop the drying function press the switch button will stop the machine directly When you start the drying function operating the drying button will stop the inner fans and close the guide lo
80. pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container 23 Service Manual 8 Installation 8 1 Installation Dimension Diagram ki he ceilin ce tot At least 250cm Space to the floor Drainage pipe Space to the obstruction 4 C E 0 e eser 50cm U Space to the obstruction 24 e Installation and Maintenance Service Manual Installation procedures Start installation Preparation before installation for electric connection location Ge the em Ce m Prepare tools Select indoor unit Select outdoor unit installation location installation location Install wall mounting Install the support of outdoor unit frame drill wall holes select it according to the actual situation Connect pipes of indoor Fix outdoor unit unit and drainage pipe Connect wires of indoor unit Install drainage joint of outdoor unit only for cooling and heating unit Bind up pipes and ha
81. r Fahrenheit degree and Celsius degree Tf Tcx1 8 32 Set temperature Ambient temperature Fahrenheit display Fahrenheit Celsius C temperature CF CF 6263 62 63 68 6 20 Fahrenheit display Fahrenheit temperature CF Celsius C 4 5 4 43 44 42 8 1 2 3 5 7 4 Fahrenheit display Fahrenheit temperature Celsius C Fahrenheit display Fahrenheit temperature 6869 68 2 Celsius CC Service Manual Fahrenheit display Fahrenheit temperature CF 26 27 28 29 Celsius C Co Fahrenheit display Fahrenheit temperature 1 5 __ 10 11 IM 2 __3 NS AZ 5 428 6 __7 ___ 9 4 Appendix 2 Configuration of Connection Pipe connection pipe difference 1 Standard length of connection pipe 5m 7 5m 8m 2 Min length of connection pipe is 3m 3 Max length of connection pipe and max high difference 4 The additional refrigerant oil and refrigerant charging required after prolonging connection pipe e After the length of connection pipe is prolonged for 10m at the basis of standard length you should add 5ml of refrigerant oil for each additional 5m of connection pipe e The calculation method of additional refrigerant charging amount on the basis of liquid pipe 24000 Btu h 7032 W 25m 10m e When the length of connec
82. ration Replace new batteries of the same model when replacement is required e When you don t use remote controller for a long time please take out the batteries If the display on remote controller is fuzzy or there s no display please replace batteries i reinstall G SS X SS remove 4 Cover of battery box Technical Information 17 Service Manual 6 2 Brief Description of Modes and Functions 1 Temperature Parameters elndoor preset temperature Tpreset elndoor ambient temperature Tamb 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 if the compressor is in operation before de energization the compressor will be started with a 3 minute lag and once started the compressor will not be stopped within 6 minutes regardless of changes in room temperature 1 COOL mode The condition and process of cooling If TambzTpreset COOL mode will act the compressor and outdoor fan will run and the indoor fan will run at the set speed If TambsTpreset 2 C the compressor will stop the outdoor fan will delay 30 seconds to stop and the indoor fan will run at the set speed If Tpreset 2 CsTamb xTpreset the unit will keep running in the previous
83. resulting in that the system pressure is too 5 Sther conditions resulting in that the system pressure becomes too high according to Electrical Diagram Top and disconnect the power supply Wait 20 minutes or use DG voltmeter to measure the voltage between the two ends of capacitor C2 until the voltage is lower than 20V on the two ends of capacitor C2 Then use capacitance meter to measure the capacitor C2 Verify as per the Parameters Sheet Yes If the unit can work normallv No If the unit can work normally Replace the capacitor C2 Then energize and start the unit No Replace the control panel AP1 Take corrective actions according to Technical Service Manual and then energize and start the unit No Replace the control panel AP1 AP1 and compressor COMP correctly according to the Electrical Wiring Diagram Then energize and start the unit Yes If capacitor C2 is failed Refer to the Electrical Wiring Yes If the unit can work normally If there is an abnormality Yes described above Diagram and check if the connection between AP1 and COMP is loose and if the connection order is correct If the connection between AP1 and COMP is unsecure or the connection order is wrong Yes
84. ring board XT power supplv If the fault is eliminated power on and restart the unit Voltage within 210VAC 250VAC supply to restore the range 210VAC 250VAC Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of capacitor until the voltage is lower than 20V No Check the connection of reactor L in the Electrical Wiring Diagram Connect the reactor Laccording to Elec Re energize and trical Wiring Diagr turn on the unit am correctly If the fault is eliminated If the wiring of reactor Lis normal Yes Replace the control panel AP1 44 e Installation and Maintenance Service Manual 2 IPM Protection Out of step Fault Compressor Phase Overcurrent AP1 below refers to the outdoor control panel Main check points els the connection between control panel AP1 and compressor COMP secure Loose Is the connection in correct order els the voltage input of the machine within normal range Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT els the compressor coil resistance normal Is the insulation of compressor coil against the copper tube in good condition els the working load of the machine too high Is the radiation good els the charge volume of refrigerant correct Fault diagnosis process Installation and Maintenance
85. s 6 Other places with special circumstances 2 Indoor Unit 1 There should be no obstruction near air inlet and air outlet 2 Select a location where the condensation water can be dispersed easily and won t affect other people 3 Select a location which is convenient to connect the outdoor unit and near the power socket 4 Select a location which is out of reach for children 5 The location should be able to withstand the weight of indoor unit and won t increase noise and vibration 6 The appliance must be installed 2 5m above floor 7 Don t install the indoor unit right above the electric appliance 8 The appliance shall not be installed in the laundry 3 Outdoor Unit 1 Select a location where the noise and outflow air emitted by the outdoor unit will not affect neighborhood 2 The location should be well ventilated and dry in which the outdoor unit won t be exposed directly to sunlight or strong wind 3 The location should be able to withstand the weight of outdoor unit 4 Make sure that the installation follows the requirement of installation dimension diagram 5 Select a location which is out of reach for children and far away from animals or plants If it is unavoidable please add fence for safety purpose 26 Service Manual 8 4 Electric Connection Requirement 1 Safety Precaution 1 Must follow the electric safety regulations when installing the unit 2 According to the lo
86. s liquid valve After 5min stick the thimble of maintenance valve with a tool If there is no refrigerant spraying out close the gas valve immediately and then turn off the unit to remove the connection pipe 2 Exit refrigerant recycling function After entering refrigerant recycling mode when receive any remote control signal or enter refrigerant recycling mode for 25min the unit will exit refrigerant recycling mode automatically If the unit is in standby mode before refrigerant recycling it will be still in standby mode after finishing refrigerant recycling if the unit is in ON status before refrigerant recycling it will still run in original operation mode 15 Compulsive Defrosting Function 1 Start up compulsory defrosting function Under ON status set heating mode with remote controller and adjust the temperature to 16 C Press button successively within 5s and the complete unit will enter into compulsory defrosting status Meanwhile heating indicator on indoor unit will ON 10s and OFF 0 5s successively Note If complete unit has malfunction or stops operation due to protection compulsory defrosting function can be started up after malfunction or protection is resumed 2 Exit compulsory defrosting mode After compulsory defrosting is started up the complete unit will exit defrosting operation according to the actual defrosting result and the complete unit will resume normal heating operation Installation an
87. sition there s a leakage 30 Service Manual 8 8 Check after Installation and Test Operation 1 Check after Installation Check according to the following requirement after finishing installation The unit may drop shake or installed firmly emit noise refrigerant leakage test heating capacity pipeline sufficient water dripping water dripping Is the voltage of power supply according to the It may cause malfunction or voltage marked on the damage the parts nameplate Z Is electric wiring and 5 It may cause malfunction or pipeline installed damage the parts correctly securely GG follow the specification damage the parts Is there any obstruction It may cause insufficient cooling ma a The dust and sundries caused 10 AM A during installation are removed The gas valve and liquid 11 valve of connection pipe are open completely It may cause malfunction or damaging the parts It may cause insufficient cooling heating capacity 2 Test Operation 1 Preparation of test operation e The client approves the air conditioner installation e Specify the important notes for air conditioner to the client 2 Method of test operation e Put through the power press ON OFF button on the remote controller to start operation e Press MODE button to select AUTO COOL DRY FAN and HEAT to check whether the operation is normal or not e If the ambient temperature is low
88. ss X FAN button can turn off X FAN function Indoor fan stops operation immediately 9 TEMP button Press this button can see indoor set temperature indoor ambient temperature or outdoor ambient temperature on indoor unit s display Temperature is set circularly by remote controller as below display D 7 e When selecting by remote controller or no display indicator on indoor unit displays set temperature e When selecting by remote controller temperature indicator on indoor unit displays indoor ambient temperature e When selecting by remote controller temperature indicator on indoor unit displays outdoor ambient temperature Note e Outdoor ambient temperature display may can t be selected for some models When indoor unit receives signal it displays indoor set temperature Only for the model whose indoor unit has dual 8 display 10 TIMER button At ON status press this button once can set TIMER OFF The character of HOUR and OFF will flash Press or button within 5s can adjust the time of TEMER ON After each pressing of or button time will increase or decrease half an hour When holding or button 2s later the time will change quickly until to reach to your required time After that press TIMER button to confirm it The character of HOUR and OFF won t flash again Cancel TIMER OFF Press TIMER button again under TIMER OFF status At OFF status press this button once c
89. stops operation while other loads stop operation heating AC stop operation 1 Loosening or bad contact of Indoor evaporator temp sensor and mainboard terminal 2 Components on the mainboard fall down leads short circuit 3 Indoor evaporator temp sensor damaged check temp sensor value chart for testing 4 Mainboard damaged Outdoor ambient temperature sensor is open short circuited Outdoor condenser temperature sensor is open short circuited Outdoor discharge temperature sensor is open short circuited Limit decrease frequencv due to overload Decrease frequencv due to overcurrent 32 OFF 35 and blink 5 times OFF 3S and blink 7 times During cooling and drving operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation During cooling and drving operation compressor stops while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drving operation compressor will sop after operating for about 3 mins while indoor fan will operate During heating operation the complete unit will stop after operating for about 3 mins All loads operate normally while operation frequency for compressor is decreased All loads operate normally while operation frequency for compressor is decreased Outdoor temperature sensor hasnt been connected wel
90. t position Note When selecting SI with remote controller it s auto swing Horizontal louver of air conditioner will swing up amp down automatically at the maximum angle When selecting nl PO A with remote controller it is the fixed position swing Horizontal louver of air conditioner will stop at that position as shown by the icon to swing 6 75 button Press this button to start or stop left amp right swing function The remote controller defaults to simple swing condition e Press button and button at the same time at unit OFF to switch between simple swing and static swing blinks for 2 seconds e In static swing condition pressing 7R button the swing angle of left 8 right louver changes as below dere gt no display horizontal ma lt louvers stops swing angle is at current displayed position dynamically Technical Information 15 Service Manual e f the unit is turned off during swing operation the louver will stop at present position e When selecting with remote controller it is the fixed position swing Horizontal louver of air conditioner will stop at that position as shown by the icon to swing When selecting angle is displayed dynamically it s the circulating swing Horizontal louver of air conditioner will swing circularly according to the angle as shown by the icon Note There is no this function for the
91. tdoor unit doesnt match Refer to the malfunction analysis Its the normal state 35 Service Manual Display Method of Outdoor Unit Indicator has 3 kinds of Display Method of Indoor Unit Display during display status and during blinking ON 0 5s and OFF A C status Possible Causes 0 5s 5s Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator During cooling and drying operation compressor will stop while indoor fan will operate JReplace outdoor control panel 1 Malfunction of phase current detection During heating operation the complete unit will stop circuit for compressor During cooling and drying operation compressor will stop while indoor fan will operate Supply voltage is unstable Malfunction of voltage dropping for During heating operation the DC bus bar complete unit will stop During cooling and drying operation the compressor will m Theres circuit malfunction on stop while indoor fan will operate During heating operating the complete unit will stop operation outdoor units control panel AP1 units current please replace the outdoor units detection control panel AP1 1 Supply voltage is lower than If this malfunction occurs AC175V during heating operation 2 Wiring terminal 4V is loosened or the complete unit will stop broken operation 3 4V is damaged please replace AV and
92. tely insufficient tated in the specification Malfunction of horizontal louver Horizontal louver can t swing Pris point 3 of maintenance method for Malfunction of the IDU fan motor The IDU fan motor can t operate Refer to troubleshooting for H6 for maintenance method in details Malfunction of the ODU fan motor The ODU fan motor can t operate point 4 of maintenance method for Malfunction of compressor Compressor can t operate Poss point 5 of maintenance method for 3 Horizontal Louver Can t Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting gt Connect wires according to wiring diagram to rong wire connection or poor Check the wiring status according to circuit sureall wirinaderminals are connected onnection diagram irmly 9 Refrigerant is leaking Stepping motor is damaged Stepping motor can t operate Repair or replace stepping motor Others are all normal while horizontal louver Main board is damaged Ks the main board with the same model 54 e Installation and Maintenance Service Manual 4 ODU Fan Motor Can t Operate Discriminating method air conditioner status Troubleshooting Connect wires according to wiring diagram to make sure all wiring terminals are connected rong wire connection or poor Check the wiring status according to circuit Change compressor oil and refrigerant If no better replace the compressor with a new
93. the unit should not be carried by only one person if it is more than 20kg 3 When installing the indoor unit and outdoor 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 after fin ishing installation Refrigerant 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 have air remain in the refrigerant line as it may lead to rupture or other hazards 3 Make sure no refrigerant gas is leaking out when installation is completed 4 If there is refrigerant leakage please take sufficient measure to minimize the density of refrigerant 5 Never touch the refrigerant piping or compressor without wearing glove to avoid scald or frostbite Improper installation may lead to fire hazard explosion electric shock or injury e Installation and Maintenance Service Manual Main Tools for Installation and Maintenance 1 Level meter measuring tape 4 Electroprobe ed 7 Electronic leakage detector 10 Pipe pliers pipe cutter Installation and Maintenance 2 Screw driver 5 Universal meter 8 Vacuum
94. the wall mounted show in Fig 1 ik Mark in the middle of it_g ji ark in the middle of i evel meter S Space Space to the to the wall wall above above 150mm 450mm gt a ya Right e gt 55mm 55mm Rear piping hole Fig 1 Rear piping hole 2 Open a piping hole with the diameter of 55mm on the selected outlet pipe position In order to drain smoothly slant the piping hole on the wall slightly downward to the outdoor side with the gradient of 5 10 As show in Fig 2 Indoor Outdoor 2 Fig 2 en 055mm Note 1 Pay attention to dust prevention and take relevant safety measures when opening the hole 2 The plastic expansion particles are not provided and should be bought locally 4 Outlet Pipe 1 The pipe can be led out in the direction of right rear right left or rear left As show in Fig 3 2 When selecting leading out the pipe from left or right please cut off the corresponding hole on the bottom case As show in Fig 4 Left Rear left e Rear right Fig 3 Right Left Right Cut off the hole Fig 4 Installation and Maintenance o 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to the following sheet
95. times Tube temp dropped frequency temp indicator blinks for 4 times m tubein Sdropped frequency temp _ Red indicator blinks for 5 times Outdoor condenser temp sensor mal Red indicator for 6 times __ Outdoor ambient temp sensor mal IL Red indicator blinks for 7 times Outdoor exhaust temp sensor mal indicator blinks for 8 times Starting at temp does not reach Green indicator does not blink gt Communication is abnormal Installation and Maintenance o 38 Service Manual Analysis or processing of some of the malfunction display 1 Compressor discharge protection Possible causes shortage of refrigerant blockage of air filter poor ventilation or air flow short pass for condenser the system has noncondensing gas such as air water etc blockage of capillary assy including filter leakage inside four wav valve causes incorrect operation malfunction of compressor malfunction of protection relay malfunction of discharge sensor outdoor temperature too high Processing method refer to the malfunction analysis in the above section 2 Low voltage overcurrent protection Possible cause Sudden drop of supply voltage 3 Communication malfunction Processing method Check if communication signal cable is connected reliably 4 Sensor open or short circuit
96. ting Method Air conditioner Status Troubleshooting Set temperature is improper Observe the set temperature on remote controllerjAdjust the set temperature Rotation Speed Small wind blow Set the fan speed at high or medium motor is set too low Filter of indoor unit is blocked Check the filter to see it s blocked Clean the filter Check whether the installation postion is proper 4 m Installation position for indoor unit according to installation requirement for air djust the installation position and install the and outdoor unit is improper conditioner rainproof and sunproof for outdoor unit Discharged air temperature during cooling is higher than normal discharged wind temperature Discharged air temperature during heating is Find out the leakage causes and deal with it lower than normal discharged wind temperature Add refrigerant Unit s pressure is much lower than regulated range Malfunction of 4 way valve Blow cold wind during heating Replace the 4 way valve Discharged air temperature during cooling is higher than normal discharged wind temperature Discharged air temperature during heating is Malfunction of capillary lower than normal discharged wind temperature Replace the capillary Unit t pressure is much lower than regulated range If refrigerant isn t leaking part of capillary is blocked Flow volume of valve is he pressure of valves is much lower than that Pi noie Open the valve comple
97. tion Side Outdoor Unit Sound Pressure Level H M L Outdoor Unit Sound Power Level H M L Outdoor Unit Dimension WXHXD mm mm 848X360X580 848X360X580 Outdoor Unit Net Weight kg Outdoor Unit Gross Weight kg Refrigerant Refrigerant Charge kg Connection Pipe Length m Connection Pipe Gas Additional Charge g m connection Outerbameteref Liquid Pipe m 6 Pipe Outer Diameter of Gas Pipe mm 9 52 Distance Height m 10 10 20 Note The connection pipe applies metric diameter The above data is subject to change without notice please refer to the nameplate of the unit Technical Information Service Manual GWHOOKF K3DNAGG LC GWH12KF K3DNA6G LC Model GWHO9KF K3DNA9G LC GWH12KF K3DNA9G LC GWH12KF K3DNB3G LC CB146036200 CB146036100 Product Code CB146037000 CB146037100 CB146037800 Rated Voltage Power Phases 1 1 Power Supply Mode Outdoor Outdoor Cooling Capacity Min Max Heating Capacity Min Max Cooling Power Input Min Max Heating Power Input Min Max Cooling Current Input Heating Current Input Rated Input 6 Rated Cooling Current e 1 69 Rated Heating Current Air Flow Volume SH H M L 600 520 370 280 680 560 410 300 Dehumidifying Volume ER OP EER COP W A 3 A 73 3 1 4 i GWH12KF K3DNA6G I GWH12KF K3DNAQG I GWH12KF K3DNB3G I CB146N36100 CB146N37100 CB146N37800 GWHO9KF K3DNA6G I
98. tion pipe is above 5m add refrigerant according to the prolonged length of liquid pipe The additional refrigerant charging amount per meter is different according to the diameter of liquid pipe See the following sheet e Additional refrigerant charging amount prolonged length of liquid pipe X additional refrigerant charging amount per meter Additional refrigerant charging amount for R22 RA07C R410A and R134a _ 096 e95or 12 5 20 k Installation and Maintenance Service Manual Appendix 3 Pipe Expanding Method Note Improper pipe expanding is the main cause of refrigerant leakage Please expand the pipe according to the following steps x x 90 Leaning Uneven A Cut the pip Pd e Confirm the pipe length according to the distance of indoor unit and outdoor unit LU i e Cut the required pipe with pipe cutter B Remove the burrs Pipe e Remove the burrs with shaper and prevent the burrs from getting into the pipe Shaper Downwards C Put on suitable insulating pipe D Put on the union nut Union pipe e Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the pipe Pipe _ E Expand the port e Expand the port with expander Note e A is different according to the diameter please refer to the sheet below Outer diameter mm 06 6 35 1 4 9 52 3 8 12 12 70 1 2 16 15 88 5 8 F Inspection Smooth surfac
99. to change without notice please refer to the one supplied with the unit Technical Information e 11 12 5 2 PCB Printed Diagram Indoor Unit eTOP VIEW C19 06 RTI L I N 691 C43 qj i 9 E J ze R69 R76 U8 RI 5 Dier zt c et ta P S a SS al S e o o ss eld 13 vio R27 R29 R31 R33 RIS R37 8j 4 0 E JL LL R q Lig R28 30832 RIO R34 R36 C66 GRJB3S A9 2014 10 31 13 120 DOOR C 50 39 ET on Tt COM MANUAL CLEAN CNI eBOTTOM VIEW C57 ca 897 C R00 L Rg F 71658 ca RISORIIG 15 14 15 ESE Service Manual nterface of live wire for health function Interface of neutral wire he nterf live nterface of neutral wire for alth function ace of neutral wire and wire communication Control interface of PG motor ind
100. und can be heard flow of refrigerant inside air disappear after a few minutes onditioner Foreign objects inside the indoor Remove foreign objects Adjust all parts unit or there re parts touching There s abnormal sound fro indoor unit position of indoor unit tighten screws and stick ogether inside the indoor unit damping plaster between connected parts Foreign objects inside the outdoo Remove foreign objects Adjust all parts unit or there re parts touching There s abnormal sound fro outdoor unit position of outdoor unit tighten screws and ogether inside the outdoor unit tick damping plaster between connected parts Short circuit inside the magnetic During heating the way valve has abnormal F f Replace magnetic coil oil electromagnetic sound Abnormal shake of compressor Outdoor unit gives out abnormal sound djust the support nol Mat ot compressor ighten the bolts If add too much refrigerant during maintenance Abnormal sound inside the compressor please reduce refrigerant properly Replace ompressor for other circumstances Replace the compressor capacitor Abnormal sound inside the Installation and Maintenance o 55 Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit 29 30 31 zy 3 g L 7 21 22 24 23 A UEL MM W f j 2 11 10 Installation and Maintenance
101. units If press this key the main unit will click but it also runs under original status 7 HEALTH SAVE button e After pressing HEALTH button remote controller will switch circularly as below HEALTH AIR AIR HEALTH no display e When selecting HEALTH by remote controller HEALTH function will be started up When selecting AIR by remote controller AIR function will be started up When selecting AIT HEALTH AIR and HEALTH function will be started up When there s no display on remote controller AIR and HEALTH function will be turned off AIR function is applicable for some models SAVE function Under cool mode press SAVE button and the unit will operate under SAVE mode Dual 8nixie tube on remote controller displays SE Air conditioner will operate at auto speed Set temperature can t be adjusted Press SAVE button again to exit SAVE mode Air conditioner turn back to original set speed and set temperature This function is applicable to partial of models 8 X FAN button After pressing this button under cooling or dry mode remote controller displays the character of X FAN and X FAN function is started up Press this button again to cancel X FAN function The character of X FAN will disappear Note After starting up X FAN function when turning off the unit indoor fan will continue to operate for a while at low speed to dry the residual water inside the indoor unit When the unit operates under X FAN mode pre
102. ust applv protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wire and grounding wire of power supplv must be corresponding to the live wire neutral wire and grounding wire of the air conditioner 8 The power cord and power connection wires can t be pressed by hard objects 9 If power cord or connection wire is broken it must be replaced by a qualified person 22 10 If the power cord or connection wire is not long enough please get the specialized power cord or connection wire from the manufacture or distributor Prohibit prolong the wire by yourself 11 For the air conditioner without plug an air switch must be installed in the circuit The air switch should be all pole parting and the contact parting distance should be more than 3mm 12 Make sure all wires and pipes are connected properly and the valves are opened before energizing 13 Check if there is electric leakage on the unit body If yes please eliminate the electric leakage 14 Replace the fuse with a new one of the same specification if it is burnt down don t replace it with a cooper wire or conducting wire 15 If the unit is to be installed in a humid place the circuit breaker must be installed Installation Safety Precautions 1 Select the installation location according to the require ment of this manual See the requirements in installation part 2 Handle unit transportation with care
103. uver 13 Power failure memory function What will be memorized includes modes up and down wind blow light preset temperature preset wind speed general timing no memory for moment timing and Fahrenheit Celsius degree When the unit is powered on again after power failure operation continues according to memorized content If timing is not set by the last remote control command the system will memorize the last remote control command and operate in the mode specified in the last remote control command If timing is set by the last remote control command and power failure happens before the preset time the system as powered on again will memorize the timing function set by the last remote control command Timing will be re counted from the time at which the system is powered again If timing is set by the last remote control command and timing of start or stop is reached before power failure the system as powered on again will memorize operation state before power failure and will not perform timing action Moment timing is out the range of memory 14 Refrigerant recycling function applicable when changing installation location or in maintenance 1 Enter refrigerant recycling function Within 5min after energizing unit ON or OFF status is ok continuously press LIGHT button for 3 times within 3s to enter refrigerant recycling mode Fo is displayed and refrigerant recycling function is started At this moment the maintenance people close
104. ve the wire clip connect the power connection wire and power cord to the wiring terminal according to the color fix them with screws As show in Fig 23 petan yell green yellow N L green POWER blue black jbrown Indoor unit connection Fig 23 2 Fix the power connection wire and power cord with wire clip N Note 1 After tightening the screw pull the power cord slightly to check if it is firm 2 Never cut the power connection wire to prolong or shorten the distance 6 Neaten the Pipes 1 The pipes should be placed along the wall bent reasonably and hidden possibly Min semidiameter of bending the pipe is 10cm 2 If the outdoor unit is higher than the wall hole you must set a U shaped curve in the pipe before pipe goes into the room in order to prevent rain from getting into the room As show in Fig 24 imm The drain hos klin can t raise upwards Fig 24 Drain U Note 1 The through wall height of drain hose shouldn t be higher than the outlet pipe hole of indoor unit As show in Fig 25 2 Slant the drain hose slightiv downwards The drain hose can t be curved raised and fluctuant etc As show in Fig 26 3 The water outlet can t be placed in water in order to drain smoothly As show in Fig 27 29 X The drain hose can t b
105. vice Manual 2 4 Cooling and Heating Data Sheet in Rated Frequency Cooling Pressure of gas pipe Inlet and outlet pipe connecting indoor temperature of heat and outdoor unit exchanger mro Rated cooling condition C DB WB Fan speed Fan speed of indoor of outdoor unit unit Compressor revolution rps 27 19 35 24 Heating Pressure of gas pipe Inlet and outlet pipe connecting indoor temperature of heat and outdoor unit anra unit unit MPa Rated heating condition C DB WB Fan speed Fan speed of indoor of outdoor Gompre sor revolution rps 20 15 Instruction T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big valve Connection pipe length 5 m 2 5 Noise Curve Indoor side noise when blowing Outdoor side noise when blowing 60 56 54 A 50 52 4 4 lt 50 F a a lt 40 a 48 ke o o 12K z 5 46 09812 Heating 09812K Coolingf Z d 09K 44 42 E 20 Low Middle High Super High 40 20 30 40 50 60 70 80 90 Indoor fan motor rotating speed Compressor frequencv Hz Technical Information 3 Outline Dimension Diagram 3 1 Indoor Unit 770 540 Servi

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