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Service Manual

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1. 1 2 Remove the connection screw fixing the big handle and then remove the handle Handle
2. em 2 wa SR Se LA es AR VNLT 221 swing blade Installation and Maintenance Service Manual 7 Remove electric box Pull out the indoor temperature sensor Remove screws connecting electric box and bottom case loosen clasps remove screws connecting earthing wire and evaporator and then remove the electric box 8 Remove evaporator Turn over bottom case remove screws connecting pipe clamp and bottom case loosen clasps between connecting pipe clamp and bottom case and then remove the connecting pipe clamp Remove screws connecting evaporator and motor press plate and bottom case loosen clasps fixing Ti IET ATT 5 evaporator and bottom Case adjust the pipeline and IEEE ESS then remove the evaporator RU T EXC FEE ET evaporator 67 Installation and Maintenance Service Manual Steps Procedure 9 Remove cross flow blade and motor 2 4 ma ris LENCE Za Q SY 57 Remove screws stepping motor and then
3. 2 Remove top cover Remove connection screws connecting the top cover plate with the front panel and the right side plate and then remove the top panel Installation and Maintenance 69 Service Manual 70 Steps 3 Remove grille and front panel Remove connection screws between the front grille and the front panel Then remove the front grille Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel 4 Remove right side plate Remove connection screws connecting
4. Remove the screws connecting handle and right side plate to remove the handle Installation and Maintenance Service Manual Procedure Steps 4 Remove panel and grille lt ON 7 69 577 to remove the panel 7 Remove the screws fixing panel Remove the screws connecting panel grille and panel to remove the panel grille loosen the clamp 5 Remove valve cover Remove the screw fixing valve cover to remove the valve cover 75 Installation and Maintenance 76 Service Manual 6 Remove left side plate Remove the screws fixing left side plate and condenser support board to remove the left side plate kat B 7 Remove cross fan blade Remove the screw nut fixing cross fan blade remove the gasket and spring cushion to remove the cross fan blade Remove the screws fixing right side plate and valve support to remove the right side plate HA
5. Sed lt 54 RD Say 22 7d 7 Lj cross fan blade a A ma ane KX A Q S A UG NS ere 5 7 Y PN Fi a Ti 4 VY right side plate Installation and Maintenance Service Manual Remove screws fixing electric box assy and mid isolation board loosen the bonding tie pull off the wiring terminal lift to remove the electric box assy Remove the screws fixing electric reactor to remove the electric reactor 11 Remove motor and motor support Remove the four tapping screws fixing motor pull out the contact tag of motor wiring to remove the motor Remove the two tapping screws fixing motor support and chassis lift to remove the motor support Installation and Maintenance electric box assy electric reactor 77 Service Manual 12 Remove mid isolation board Remove the screws connecting mid isolation board E 92 9 IKLA N chassis and condenser assy to remove the mid isolation 13 Remove four
6. ROOM DISPLAY LA POWER TEM SENSOR TEM SENSOR API 2255 1CN2 L4 YEGN BU um N RT1 RT2 T1 zs W1 BU BU f N lt 1 E ROOM TUBE DISP 1 DISP 2 COM OUT Ta W3BN 43 BN CAP op ES AC LO LOUT 75 JUMP AP2 4 T PGEPG SWING UD HEALTH L HEALTH N Y RD BU COOL PLASMA GENERATOR FAN SWING MOTOR MOTOR U D GWHO9RB K3DBA3E O LCLH L EXHAUST sP lle W9BU SAT i TEM SENSOR TEM SENSOR TEM SENSOR WSYEGN W10RD y E c YEGN bl A a mem N2 N3 PE i 0 L1 W2BU U BK 1 L1 WIBN 2 HEAT L HEAT N1 CHASSIS Technical Information Service Manual GWHO9SRB K3DBASE O 123 WBYEGN TUBE OUTROOM EXHAUST v WB TEM SENSOR TEM SENSORTEM SENSOR EP 9BU L RAI RD 12 W3YEGN WORD al i Jil PE NM COMP N D Em PE E E OVC COMP BN He BUM gt COMU BN lt ACL OFAN HPP HEAT Y 8 E B EH a
7. Right side plate Installation and Maintenance Service Manual 5 Remove axial flow blade LEmMHAQA EA Remove the nut fixing the blade and then remove the axial flow blade issessolere Axial flow blade 6 Remove electric box assv electric box assv Remove screws fixing the electric box assv loosen the wire bundle and unplug the wiring terminals Then lift the electric box to remove it 7 motor and motor support Remove the 4 tapping screws fixing the motor Pull out the lead out wire and remove the TA 5 f i motor Remove the 2 tapping screws fixing o the motor support Lift motor support to b i o move it EU motor support motor Installation and Maintenance e 71 72
8. O O O O O O O O O O O O O O O O O O O Clapboard Sub Assy Installation and Maintenance Service Manual 11 Remove valve sub assy Remove the screws fixing big and small valve welding cut the welding spots of four way valve assy to remove the valve sub assy SOBA COE Ae big valve valve support 12 Remove Compressor Remove the 3 footing screws of the compressor and remove the compressor lO o O OO OO O O O O O O O O O O Oo O Q UA Installation and Maintenance 73 74 Service Manual GWH12RB K3DBASE O GWH12RB K3DBASE O LCLH Note Electric heater band is not shown Steps 1 Before disassembly 2 Remove top cover Remove the screws connecting top cover left and p TE 4 right side plate as well as panel to remove the top MT A ji ET to cover cover IZ ul dr H L l P in 3 Remove handle
9. Fig 11 Wiring cover 2 Make the power connection wire go through the cable cross hole at the back of indoor unit and then pull it out from the front side As show in Fig 12 connection wire sleeve 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 Note The wiring connect is for reference only please refer to the actual one 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 Installation and Maintenance e 8 Bind up Pipe 1 Bind up the connection pipe power cord and drain hose with the band As show in Fig
10. M HW 80 Appendix 1 Reference Sheet of Celsius and Fahrenheit 80 Appendix 2 Configuration of Connection 80 Appendix 3 Pipe Expanding 81 Appendix 4 List of Resistance for Ambient Temperature Sensor 92 Table of Contents Service Manual Technical Informat Part GWHO9SRB K3DBASE I GWH12RB K3DBASE I GWH12RB K3DBASE O GWH12RB K3DBASE O LCLH 1 Summary Indoor Unit GWHO9RB K3DBA3E I Cold Plasma GWH12RB K3DBA3E I Cold Plasma Outdoor Unit GWHO9RB K3DBA5E O GWHO9RB K3DBA3E O LCLH Remote Controller YAA1FB Technical Information Service Manual 2 Specifications 2 1 Specification Sheet 2 78 4 26 2 83 1700 7 39 Cooling Power Current Heating Power Current Rated Input Rated Current 4 00 1700 7 99 Parameter Model GWHO9RB K3DBASE_ GWH12RB K3DBASE Product Code 83040120 CB304001300 amp Succi Phases o o 4144 Power Suppl
11. 25 7 Notes for Installation and Maintenance 25 8 Installation snl 27 8 1 Installation 9 27 fa i 29 8 3 Selection of Installation 29 8 4 Electric 29 8 5 Installation of Indoor NV ec l A 29 Table of Contents Service Manual 8 6 Installation of 32 8 7 Vacuum Pumping and Leak Detection mt 33 8 8 Check after Installation and Test Operation 33 0 4 4 34 X 34 9 2 Troubleshooting for Main Malfunction 41 9 3 Troubleshooting for Normal 54 10 Exploded View and Parts List 56 w 56 jm UNCC OM MM i i 60 11 Removal Procedure 2 4 4 4 64 11 1 Removal Procedure of Indoor 64 11 2 Removal Procedure of Outdoor Unit EE ak uta oa ee ovi Foren etn 69 Appendix
12. Y N The compressor Adjust it properly The unit starts is well connected gt according to wiring Restart the unit operation again X with mainboard diagram 5 1 Heat exchanger is Y Clean the heat exchanger ie unit starts ae blocked with dirt to improve its performance operation again N The unit starts operation again lt Adjust refrigerant Restat ihe unit charging amount r Replace outdoor Does the unit mainboard AP 1 E work normally r N Replace compressor gt End Installation and Maintenance 6 47 Service Manual 8 High temperature and overload protection E8 AP1 below means control board of outdoor unit Main detection points f the outdoor ambient temperature is in normal range e ifthe indoor and outdoor fan are running normally e If the radiating environment of indoor and outdoor unit is good is If the outdoor ambient temperature is higher than 53 C Normal protection please Y use it after improving the Unit restarts normally outdoor ambient temperature Improve the radiating environment of unit clean the heat exchanger and remove surrounding obstacles If the radiating of indoor and outdoor unit is good Unit restarts normally L If the indoor and outdoor fan are running norm
13. 3 2 Outdoor Unit GWHO9SRB K3DBASE O GWHO9SRB K3DBASE O LCLH nai ie EX 4 NI it UR UN Hd AR JIS 8 5 3i gt b aja H f IN Nile I TSS ERES t a Der FSI di ji i f i B k ale AREA E EUER NN PER l EF de IE IN Baz SH Satay y on 5 H A i 0 3 diee ER HAN LAL in FESTE ac N 1 a H H H p H H 7 Ed Edo Ria LILY wa S gt Et LT rd mia RI DUUM E x D m li L LILI ai H ase Unit mm o Technical Information Service Manual GWH12RB K3DBASE O GWH12RB K3DBASE O LCLH 899 Unit mm Technical Information
14. Outdoor discharge temperature sensor is open short circuited O Limit decrease frequency due to overload N Decrease frequency due to overcurrent BE Co Installation and Maintenance Display Method of Indoor Unit Dual g blinking ON 0 5s and OFF Indicator Display during Display Method of Outdoor Unit Indicator has 3 kinds of display status and during Cool Heating Yellow Red Indicator Indicator Indicator Indicator OFF 3S and blink 17 times and blink and blink twice OFF 3S and blink 3 times 6 times OFF 18 and blink 5 times OFF 3S and blink 4 times OFF 1S and blink 7 times 35 and blink 5 times OFF 3S and blink for 6 times OFF 1S and blink 3 times OFF 3S and blink 8 times blinking ON 0 5s and OFF Green Indicator A C status When the outdoor unit receive signal of Gathering refrigerant system will be forced to run under cooling mode for gathering refrigerant During cooling and drying operation indoor unit operates while other loads will stop during heating operation the complete unit will stop operation AC stops operation once reaches the setting temperature Cooling drying internal fan motor stops operation while other loads stop operation heating AC stop operation During cooling and drying Operating compressor stops while indoor fan operates During heating operation the complete
15. gas valve Fig 22 3 Pretightening the union nut with hand 4 Tighten the union nut with torque wrench 32 Service Manual Refer to the following table for wrench moment of force Hex nut diameter mm Tightening torque N m 15420 9 52 30 40 45 55 60 65 70 75 5 Connect Outdoor Electric Wire 1 Remove the wire clip connect the power connection wire to the wiring terminal according to the color fix them with screws As show in Fig 23 Connect to indoor unit Wiring boad Handle Wire clip Note the wiring connect is for reference only please refer to the actual Fig 23 2 Fix the power connection wire 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 The drain hos x can t raise upwards Fig 25 Fig 24 N 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 slightly
16. Installation and Maintenance 49 10 Overload and high discharge temperature malfunction Main detection points If the electronic expansion valve is connected well Is the electronic expansion valve damaged If the refrigerant is leaked The compressor overload protection terminal is not connected well with the mainboard If the overload protector is damaged Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad Too much load of the system causes high temperature of compressor after working for a long time Malfunction of discharge temperature sensor 50 e Service Manual Installation and Maintenance Service Manual 6 H3 E4 is displayed gt 30min after power off the unit Y If the overload protector SAT well connected N Y Under ambient temperature est the resistance of overload protector with ohmmeter resistance value should 1000 Y Connect wire N If the wiring terminal FA of electronic N according to wiring expansion valve is well connected diagram Y Replace EKV coil of electronic expansion valve Is the malfunction eliminated N v Check the situation of refrigerant if there is leakage please charge refrigerant according to the service Is the malfunction Replace overload protector SAT
17. Troubleshooting for E5 malfunction Is the supply voltage unstable with big fluctuation Malfunction is eliminated Normal fluctuation is within 10 of the rated voltage on the nameplate yes yes Is the supply voltage too low with overload Malfunction is yes eliminated Malfunction is es eliminated d The fan is abnormal Fan Malfunction is speed is too low or fan doesn t rotate eliminated ea O Measure the current of live wireon the main ae board with a clamp ampere meter Is the n Malfunction is yes current higher than the value of the eliminated overcurrent protection yes 4 Is there blockage inside the system Filth blockage ice plug greasy blockage the Y valve hasn t been opened completely Malfunction is eliminated yes no Replace the mainboard with the same model Is the compressor running abnormally Is there abnormal sound or oil leakage is the temperature of the shell too high etc Malfunction is eliminated yes Replace the mainboard with the same model End 44 o Installation and Maintenance Service Manual 5 Malfunction of Zero crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Installation and Maintenance Troubleshooting for U8 malfunction 1 minute a
18. 6 WH 1 54 Lc SS HEATER HEATER CHASSIS COMP FAN TT CHASSIS COMP FAN COMP WBYEGN TUBE EXHAUST TEMSENSOR TEM SENSORTEM SENSOR SAT WL Y RM Rm WSYEGN eM 2 WIRD EE x WORD 1 4 A MP COMP N VEGN COMP U COMP V COMP W N2 N3 D i LA llo PE TE 9 0 WBU lt 7 d TM a H gt OFAN HPP y XU 52 7 HEM oM wit RD RD Bee 06 WH HEATER HEATER gt lt x These wiring diagrams are subject to change without notice please refer to the one supplied with the unit Technical Information e Service Manual 5 2 PCB Printed Diagram Indoor Unit e Top view 1 2 5 7 Jumper Cap 8 Autobuton 9 Feedbackofindoorfan _____ 1 Port of motor for horizontal swing 1 3 Port of indoor ambient temp sensor m High frequency transformer 7 5 Ul on 081121314 567189 e Bottom view o Technical Information Service Manual Outdoor Unit e Top view 6 1 O 13 coti 703 U 8705 aH A d
19. eliminated Compressor overload protection terminal is not connected well with the mainboard reconnect them correctly N Is the malfunction eliminated eat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad improve the radiating environment and clean the heat exchanger N Is the malfunction eliminated Too much load of the system causes high temperature of compressor after working for a long time decrease the load for operation Is the malfunction eliminated v Replace outdoor mainboard AP1 End Installation and Maintenance e 51 Service Manual 11 PFC correction for power factor malfunction outdoor unit malfunction Main detection points Check if power plug is connected well with the socket Check if the reactor of outdoor unit is damaged Malfunction diagnosis process If power plug is connected well with the socket X Connect the plug correctly Is the malfunction eliminated v Check the connection wire between reactor mainboard N and situation of connection econnect the wire or replace the connection Power on and wire according to the restart the unit wiring diagram If there is short circuit or the connection wire is loose Is the malfunctio
20. 18 8 9913 43 70 541 10 109 __ 7 J 32 334 MO 10 ms orn te 7 322 m o 5 8460 1359 73 314 12 095 ma a sa m os __ 3 76274 6 1251 75 24 74 094 2 741 3 42 76 294 15 31 687 38 77 272 16 086 0 6537 39 4106 78 2603 7 0833 1 6213 40 1062 79 257 18 081 2 508 4 12 80 249 077 3 5619 42 9803 245 120 0769 4 5346 43 942 82 2339 121 0746 5 547 4 904 83 226 12 079 6 4842 45 870 84 219 123 7 461 6 87 85 215 124 0692 gt __8 439 47 86 209 125 064 T NR NUNC OMNE ee ee ME M 10 3987 49 743 88 195 127 064 n 380 50 713 89 185 128 062 12 3622 5 60 90 18188 12 067 13 3457 52 668 91 1736 130 0592 14 328 5 6409 92 171 057 15 3147 54 9 16588 132 053 16 3004 5 5942 94 1609 133 059 17 2868 56 576 95 1561 134 055 18 2739 57 5519 96 1515 135 0524 19 2617 58 532 97 17 16 0509 Installation
21. 7 24 ____ ono 3 26 Electric Box Cover Sub Assy 020901 1 27 1 erce 208395 1 29 omm 3 _ 0006 J 3 3 ffemperature Sensor 39000590058 39000308086 1 Above data is subject to change without notice Installation and Maintenance e Service Manual 11 Removal Procedure N Caution discharge the refrigerant completely before removal 11 1 Removal Procedure of Indoor Unit Sins 00 1 Before disassembly of the unit 2 Remove filter and horizontal louver 1 Open the panel 2 Loosen clasps on filter and then remove the filter filter 3 Remove axial bush on horizontal louver and bend the horizontal louver slightly to remove it horizontal louver 64 o Installation and Maintenance Service Manual Procedure 3 Remove display and panel display PAL i n zi TA i bj s max
22. 24 Stepping Motor 1 192121200 15212129 1 25 1058220700 10582070 1 26 Guide Louver 1 1051220000 1051220301 1 27 __ 105420050 104206 1 28 1 20112080 2011208200 1 29 TeminalBord 42011233 92022 712 30 Electric Box Cover2 7 201220752 202052 1 31 30148781 30148780 1 32 Shield cover of Electric Box sub assy 01520073 0159203 1 33 ElecricBoxCoverl 7 2445 22242135 1 34 Jumper 420230012 4202300104 1 35 ElectricBoxAssy 7 2040306 20402671 1 36 __ 400220403 450069 1 37 Connecting Cable 1 402466 400204055 Above data is subject to change without notice PN gt Installation and Maintenance e Service Manual 275 1Z H D 12 0 f Em AT HERE CEA 15 A lt A UC _ NND S ES Installation and Maintenance 10 2 Outdoor Unit GWHO9RB K3DBA3E O LCLH 60 Service Manual ES Part Code Description NO GWHO9RB K3DBA5E O GWHO9SRB KS3DBA3E O LCLH Qty i l
23. 10 Service Manual 4 Refrigerant System Diagram Indoor unit Outdoor unit Gas pipe side evaporator Heat X Heat exchanger compressor n exchanger Y 2 side OR qu OS A Valve Strainer Electron Strainer gt expansion valve COOLING HEATING Connection pipe specification Liquid 1 4 6mm Gas 3 8 9 52mm C Technical Information Service Manual 5 Electrical Part 9 1 Wiring Diagram elnstruction Symbol Symbol Color Symbol Symbol Color Symbol pe Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model e Indoor Unit GWH12RB K3DBASE I ROOM TUBE DISPLAY L POWER TEMSENSOR TEM SENSOR Fa 11 0 0 LE RT1 RT2 X DISP 1 DISP 2 ROON COM OUT 3 E I AP2 AC L L OUT 2 JUMP SWING UD HEALTH L HEALTH N Y Yo RD BU COOL PLASMA GENERATOR E La i YEGN SWING MOTOR U D IT Technical Information e 11 12 GWHO9RB K3DBA3E I Cold Plasma GWH12RB K3DBA3E I Cold Plasma e Outdoor Unit Service Manual
24. as 2 m 23 Ls px l 41 786 l 5 2 9 4 198 3s 74 ms 232 191 3e 75 M4 2 wes 3 76 mns 2182 4 15 oe jj 77 M6 o uw ve 652 n 20 79 8 3 usa 4 l e m 1 1883 4 a ses 120 192 ma 13985 l a s fl a 151 4 s sss 12 6 4 ms ju 53 93 7 ma 4e L 206 s 6522 124 175 1 5 4 66 so 125 162 ms ioe 4 we s 494 126 19 Note The information above is for reference only 84 o Installation and Maintenance JF00301841 7 GREE GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 486 756 8522218 Fax 86 756 8669426 Email gree Qgree 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
25. e Pressure for the Discharge Side creme ue for the TL MIL Dimension of Carton Box LXWXH mm 878X360X580 945X417X630 Dimension of Package LXWXH mm 881X363X595 948X420X645 NetWeight o 1 40 GrossWeight 2400 O 4470 X Refrigerant 5 RefrigerantCharge kW 12 1050 Legh _________ ____ ____ _____5 Gas Additional Charge 5 0 Outer Diameter Liquid Pipe 6 6 The above data is subject to change without notice please refer to the nameplate of the unit Technical Information e Service Manual 2 2 Operation Characteristic Curve Cooling Heating 8 Current A Current A Condition Condition Indoor DB 27 C WB19 C 2 indoorairtlow Turbo Indoor air flow Turbo Pipe length 5m Pipe length 5m Voltaae 230V Voltage 230V 1 0 20 40 60 80 100 120 0 20 40 60 80 100 120 Compressor Speed rps Compressor Speed rps 2 3 Capacity Variation Ratio According to Temperature Cooling Heating 110 120 100 100 90 80 80 5 60 Fa gt 2 70 40 Condition Condition Indoor DB27 C WB19 C Indoor DB20 60 Indoor air flow Turbo 20 O Indoor air flow Turbo Pipe length 5m ow
26. thickness 81 Service Manual Appendix 4 List of Resistance for Ambient Temperature Sensor Resistance Table for Indoor and Outdoor Ambient Temperature Sensors 15K Temp C Resistance kQ Resistance kQ Temp C Resistance ka Resistance 49 181 20 175 5 395 9 10 ae ee 2 9 109 oar ane z 350 1 109 36 ws 23 6 344 095 2 e 339 1 0952 ma 8 1 9 327 19 26 10 _ 32 zr 6 298 15 083 mm 28 07 2006 10 088 me es 29 16 29 10 085 30 6 18 082 ms ns o 29 19 orms 75 3 no n 258 mo ors 33 106 72 m orr 6346 34 102 3 60 5 s 9 28 m oer sr 36 75 226 oes 9 6 ms si 38 7 204 me 39 m 065 l e 79 ies ms 43 jla s v9 osoa am 4 8 10 osr jla 82 l wa 1 385 4 8 12 osm 363 4s 6550 13
27. Install the support of outdoor unit select it according to the actual situation Install wall mounting frame drill wall holes 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 hang 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 28 o Installation and Maintenance Service Manual 8 2 Installation Parts checking No Indoor unit 8 JSealinggum Outdoor unit 9 tape Connection pipe of outdoor 3 Wall mounting Drainage plug cooling 12 frame and heating unit Connecting Owner s manual 13 cable power cord remote controller 7 Mal pipe N 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
28. Motor Suport Spot Welding Sub 19 01703007 01703007 1 assy 20 2 22 23 24 25 26 27 28 29 Above data is subject to change without notice Installation and Maintenance e Service Manual GWH12RB K3DBASE O GWH12RB K3DBASE O LCLH 20 AW Q of 7 21 VAL ART t 13 12 Installation and Maintenance 10 14 8 49 7 62 Service Manual um Part Code Description NO GWH12RB K3DBA5E O GWH12RB K3DBA3E O LCLH Qty 2280s 1 3 mme 1 3 10347 1 __ 5 1 7 6 26830 ___ 7 3 pomresorGesxet 6rtme 7 3 0000 00 3 16 foompressor Overioad Protecor 0080002 00180000 1 Suppor Sub assy 1 2 1 Javeewe 205 1 1 3 15 utofVaweSubAsy 3 16 uofVaweSubAsy ewayvaveasy 18 4000 430040022 435998 1 20 Flectic Expand Valve Fiting 430076701 3 pommes 3 _ jeg Motor Support Sub Asey 008 3
29. Service Manual 8 Remove 4 way Valve Assy and Capillary Sub 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 9 Remove soundproof sponge Unsolder weld point of capillary Sub assy valve and outlet pipe of condensator Then remove the capillary Sub assy Do not block the capillary when unsoldering it Note be fore unsoldering discharge refrigerants completely 10 Remove 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 4 way Valve Assy issessorena jsoessolena gt i z i gt Capillary Sub assy
30. 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 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 i Union nut Pipe Pipe joint Torque wrench Pipe Fig 5 Indoor pipe Fig 6 py Insulating pipe Fig 7 Refer to the following table for wrench moment of force Hex nut diameter mm Tightening torque N m 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 Drain hose Outlet pipe Pape Fig 9 N 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 BLoc m 4 Tut Dres Insulating pipe Fig 10 o Installation and Maintenance Service Manual 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
31. 6 Air conditioner is leaking Discriminating method air conditioner status Troubleshooting Drain pipe is blocked ater leaking from indoor unit m na Drain pipe is broken ater leaking from drain pipe Replace drain pipe rapping is not tight 4 1 ihe pipe COMMER rap it again and bundle it tightly 7 Abnormal sound and vibration Discriminating method air conditioner status Troubleshooting hen turn on or turn off the unit he panel and omer parts will There s the sound of PAPA Normal phenomenon Abnormal sound will expand and there s abnormal disappear after a few minutes sound hen turn on or turn off the unit here s abnormal sound due Normal phenomenon Abnormal sound will ater running sound be heard flow of refrigerant inside air disappear after a few minutes conditioner Foreign objects inside the indoor Remove foreign objects Adjust all 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 unit or there re parts touching There s abnormal sound fro outdoor unit position of outdoor unit tighten screws ogether inside the outdoor unit stick damping plaster between connected parts Short circuit inside the magnetic During heating the way valve
32. 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 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
33. Pipe length 5m 50 0 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 f 0 5 10 Outdoor temp C Outdoor temp C e Technical Information Service Manual 2 4 Cooling and Heating Data Sheet in Rated Frequency Cooling Rated cooling Pressure of gas pipe Inlet and outlet pipe 4 connecting indoor temperature of heat Fan speed of Fan speed of Compressor condition C DB WB and outdoor unit exchanger unit outdoor unit Mon 2 in8 11 in 50 80 E 27 19 35 24 0 65 1 0 out 11 14 out 37 43 Suprt High 175 Heating Pressure of gas pipe Inlet and outlet pipe connecting indoor temperature of heat and outdoor unit exchanger Rated heating condition C DB WB papa in 50 80 in 1 3 60 o 0437 43 jii 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 Compressor revolution 2 5 Noise Curve Indoor side noise Outdoor side noise 54 52 50 48 46 Noise dB A Cooling 44 Noise dB A 42 40 Super High High Middle Low 20 30 40 50 60 70 80 Indoor fan motor rotating speed Compressor frequency Hz Technical Information e Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 180 275
34. i ro l05L0 Remove screws display and then remove the E display MEL SCrew 1 2 Quit the rotation shaft of panel from groove and then remove the panel 4 Remove electric box cover 2 A 0 na mi HHS a KO Cf Remove screws connecting electric box cover 2 and front case and then remove the electric box cover 2 pei SS Se Installation and Maintenance e Service Manual _ 5 Remove front case Remove screws connecting front case and bottom case Open screw cover by hand remove other 3 screws loosen clasps connecting front case and bottom case and then remove the front case 6 Remove swing blade Remove 10 clasps connecting swing blade and bottom case Remove swing blade 66
35. the compressor will run at reduced frequency d If T 60 C the compressor will stop and the indoor fan will blow residue heat and then stop 2 Exhaust temperature protection of compressor If exhaust temperature298 C frequency is not allowed to rise If exhaust temperature2103 C the compressor will run at reduced frequency If exhaust temperaturez1107C the compressor will stop If exhaust temperatures90 C and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation 3 Communication fault If the unit fails to receive correct signals for durative 3 minutes communication fault can be justified and the whole system 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 C the overload protection will be relieved 6 If voltage on the DC bus is below 150V 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 com
36. 052 345 46 s 1504 14 059 329 4 608 se 15 085 318 4 ss s 16 049 299 55 ee iz 2851 x18 259 s E 50 539 89 148 128 047 51 587 90 1363 129 046 52 496 91 132 130 044 4 53 482 92 128 131 0433 54 405 93 124 132 042 19 19 63 4456 94 120 133 042 420 95 1171 134 4139 96 1136 135 0391 39 97 1109 136 052 1 1 1 1 1 1 1 3 6 T 8 82 o Installation and Maintenance Service Manual Resistance Table for Indoor and Outdoor Tube Temperature Sensor 20K Resistance kQ _ Temp C Resistance kQ _ Temp C Resistance kQ Resistance kO sa oa 8 74 21 239 60 448 99 1386 w 161 22 228 61 473 100 136 16 1533 23 2185 62 465 101 1307 __ 15 45 24 29 e 102 1209 c 1332 25 20 64 4289 103 7123 3 199 26 1914 6 44 104 _ 1198 __ 2 27 1813 6 3998 105 M nes 28 155 3861 100 __ 1131 230 29 168 3729 107 109 ms ws 3 w o
37. 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 Indoor and outdoor power cord Fig 14 Drain hose Connection pipe 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 Outdoor Indoor Wall pipe Fig 16 Sealing gum Lower hook of wall mounting frame N Note Do not bend the drain hose too excessively in order to prevent blocking 31 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 N Note 1 Take suff
38. 3 blink show and the complete unit 9 times During cooling drying OFF 15 Operation compressor 4 and blink outdoor fan stop while indoor protection of 7 times fan operates During heating compressor operation all loads stop During cooling and drying OFF 1S operation compressor and Overcurrent 5 and blink outdoor fan stop while indoor protection 5 times operates During heating operation all loads stop During cooling operation Communi compressor stops while cation indoor fan motor operates Malfunction During heating operation the complete unit stops Hiah During cooling operation 9 OFF 15 compressor will stop while temperature 7 and blink indoor fan will operate resistant 6 times During heating operation the protection complete unit stops During cooling and drying OFF 3S OFF 15 operation compressor will stop EEPROM OMA and blink while indoor fan will operate 15 times 11 times During heating operation the complete unit will stop All loads operate normally while operation frequency for compressor is decreased Malfunction OFF 3S Wireless remote receiver and protection of and blink button are effective but can jumper cap 15 times not dispose the related command 34 Possible Causes Possible reasons 1 Refrigerant was superabundant 2 Poor heat exchange including filth blockage of heat exchanger and bad radiating envir
39. B GREE Change for Life Service Manual MODEL GWHO9RB K3DBA3E GWH12RB K3DBA3E GWHO9SRB K3DBASE GWH12RB K3DBASE Refrigerant RA10A GREE ELECTRIC APPLIANCES INC OF ZHUHAI Service Manual Table of Contents Part Technical 1 1 5 O 1 2 ER EL 2 2 1 Specification SINC 2 2 2 Operation Characteristic ssa 6 2 3 Capacity Variation Ratio According to Temperature 6 2 4 Cooling and Heating Data Sheet in Rated Frequency 7 NOLE CUNO a i tea E E 3 Outline Dimension Diagram 8 SE gt ORNE m PT 8 UC e EEEE EEEE 8 4 Refrigerant System ene 10 B Electrical 11 i P 11 22 POB RIG AC IY TU 14 6 Function and Control 16 6 1 Remote Controller Introduction c 16 6 2 Brief Description of Modes 20 Part Installation and Maintenance _
40. PANASONIC WANBAO CHINA RESOURCES SANYO CO LTD CO LTD Compressor Model 5851022 21 C ORZT0H1A Compressor Qil 50 Compressor Type Overload Protector __ 1 0 1NTNL 3979 Throttling Method Electron expansion valve Electron expansion valve Ambient temp heating Condenser Form AluminumFin copper Tube Aluminum Fin copper Tube Fan Motor Speed 90 9 Output of Fan Motor FanTpe __ 6__ Axiakflow Defrosting Method AutomaticDefrosting AutomaticDefrosting __ ClimateType 711 Isolation Ef T Moisture Protection O IlP244 _ P24 Permissible Excessive Operatin Permissible Excessive Operatin Dimension WXHXD Dimension of Package LXWXH Refrigerant Outer Diameter Pipe mm 44860 298 The above data is subject to change without notice please refer to the nameplate of the unit Technical Information e Service Manual Parameter mM GWHO9RB K3DBA3E Cold GWH12RB K3DBA3E Cold Plasma LCLH Plasma LCLH Product Code CB30202100 CB302002200 Power S Ub Phases __ d J 4 1 1 Power Supply Mode 2 ____ Cooling Capacity Min Max 3500 900 4000 Heating Capacity Min Max Cooling Power Input Min Max Heating Power Input Min Max 650 1
41. and Maintenance e 83 Service Manual Resistance Table of Outdoor Discharge Temperature Sensor 50K Resistance kQ Resistance kQ _ Temp C Resistance kQ _ Resistance kQ _ C s ae 45 Lm ms o9 p o 27 70 12 5 1699 90 449 _ las 4 75 92 424 24 608 15 748 1517 93 4079 23 5806 16 7383 5 146 94 3958 22 589 17 705 56 1409 381 21 566 18 6734 57 1358 96 378 20 465 19 6433 58 109 97 36109 19 483 6148 55 122 98 354 Le 1742 9 cT 404 22 569 61 100 395 16 3845 23 5 44 62 132 1 322 15 3629 24 63 102 3129 14 3428 25 64 1054 108 304 3 3239 26 4708 65 1018 104 295 12 30602 27 4507 6 987 15 287 M 2896 28 446 67 9489 100 272 710 24 29 4134 68 910 107 27105 9 293 3961 69 10 264 8 2456 31 3796 70 855 109 2568 7 228 32 3638 71 8268 10 248
42. compressor is decreased All loads operate normally while operation frequency for compressor is decreased 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 while indoor fan will operate During heating operation the complete unit will stop operation compressor will stop Service Manual 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 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 1f the AC input is normal measure the voltage of electrolytic capacitor C on control panel 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 1f the AC input is normal measure the voltage of electrolytic capacitor C on control panel if its normal theres malfunction for the circuit please replace the control panel AP1 Showing during min cooling or min heating test Showing during
43. has abnormal Replace magnetic coil coll electromagnetic sound Abnormal shake of compressor Outdoor unit gives out abnormal sound cjusi tighten the bolts If add too much refrigerant during maintenance Abnormal sound inside the compressor please reduce refrigerant properly Replace compressor for other circumstances Replace the compressor capacitor Abnormal sound inside the compressor Installation and Maintenance e 55 Service Manual 10 Exploded View and Parts List 10 1 Indoor Uni GWHO9SRB K3DBASE l Cold Plasma GWH12RB K3DBA3E I Cold Plasma Installation and Maintenance 56 Service Manual Part Code Description GWHO9SRB KS3DBA3E I Cold GWH12RB K3DBA3E I Cold Plasma 1 FrontPanelAssy 1 1 1 200258 2001288 2 Display Board 3056513 350607 71 3 Filter Sub Assy _ 12243 71 1112220403 2 4 jSrewCoe 7 22206 506 12 5 FrontCaseSub assy 1 2002700 20020 1 6 jArLower 1 1051215603 1012505 1 7 jArLower2 105121553 1012505 1 8 Helicoidtongue 7 261121632 2611216302 1 9 7 15207 1029 712 10 22067 222049 71712 11 Rubber Plug Water Tray 7671202 7720902 712 12 JRingofBearing 7 215202 2615202 1 13 jO GasketofCross Fan Bearing 7651223 7 7652025 1 14 O Gasketsub assyofBearing 765120512 76510502 1 15 Cros
44. more than 8m and there should be no obstacles between them Signal may be interfered easily the room where there is fluorescent lamp TD en wireless telephone remote controller should be close to indoor unit during operation e 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 e If the display on remote controller is fuzzy or there s no display please replace batteries Emergency Operation If remote controller is lost or damaged please use auxiliary button to turn on or turn off the air conditioner The operation in details are as below As shown in the fig Open panel press aux button to turn on or turn off the air conditioner When the air conditioner is turned on it will operate under auto mode Emergency operation switch Technical Information 20 Service Manual 6 2 Brief Description of Modes and Functions 1 Temperature Parameters Indoor preset temperature T preset Indoor ambient temperature T mb 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 b
45. nominal cooling or nominal heating test Showing during max cooling or max heating test Installation and Maintenance Service Manual Method of Outdoor Display Method of Indoor Unit Indicator has 3 kinds of Indicator Display during deplase and duina Malfunction TM Dual 8 jblinking 0 55 and OFF blinking ON 0 5s and OFF status Possible Causes Name 0 55 Code Displ Heating Yellow Indicator xi Indicator Indicator Indicator during during Compressor blinking blinking intermediate ON ON Showing during middle cooling or frequence in 0 25s 0 25s middle heating test test state and OFF OFF 0 25s 0 25s During cooling and dryin Overcurrent d l Refer to the malfunction operation compressor will stop protection of MK analysis IPM protection loss while indoor fan will operate 27 of synchronism protection During heating operation the current for overcurrent protection of phase complete unit will stop compressor current for compressor operation During cooling and drying Charging OFF 3S operation compressor will stop malfunction and blink mel _ to the part three charging 28 while indoor fan will operate of capacitor 17 times malfunction analysis of capacitor During heating operation the complete unit will stop Malfunction During co
46. only unit when T4 S22 C it will run in fan mode and the displayed set temperature is 25 Technical Information 21 22 Service Manual c For heating and cooling unit when 19 lt Tindoor ambient lt 26 C for cooling only unit 22 lt Tindoor ambient lt 26 C it will keep the original running mode If the unit is energized for the first time it will run in fan mode 2 Protection a In cooling operation protection is the sam e 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 will 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 1 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 lf T 52 C the unit will return to its original operation state b If T 255 C frequency rise is not allowed C If T 58 C the compressor will run at reduced frequency d If T 262 C the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If T 50 C the unit will return to its original operation state b If T 253 C frequency rise is not allowed C If T 256 C
47. remove the stepping motor Remove 4 screws connecting motor press plate and M F bottom case and then remove motor press plate Remove cross flow blade and motor 3 M L7 i Di En ae sergas A Remove shaft rubber cushion block Remove screws connecting cross flow blade and motor shaft and then remove motor cross flow blade mtor 68 e 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 completely before removal GWHO9SRB K3DBAS5E O GWHO9RB K3DBA3E O LCLH Note Electric heater band is not shown oteps Procedure 1 Remove big handle Before disassembly
48. 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 in the air 5 The place with sulfureted gas 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 250 cm 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
49. unit will stop operation During cooling and drying operation compressor stops while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying 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 Possible Causes Nominal cooling mode 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 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 temperature sensor hasnt been connected well 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 senso
50. 5 Select a location which is out of reach for children and far away from animals or plants lf it is unavoidable please add fence for safety purpose Installation and Maintenance e 8 4 Electric Connection Requirement 1 Safety precaution 1 Must follow the electric safety regulations when installing the unit 2 According to the local safety regulations use qualified power supply circuit and air switch 3 Make sure the power supply matches with the requirement of air conditioner Unstable power supply or incorrect wiring may result in electric shock fire hazard or malfunction Please install proper power supply cables before using the air conditioner Air switch capacity 09K 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 speciali
51. 50 1700 920 150 1700 Cooling Power Current 2 78 Heating Power Current Rated Input Rated Current Air Flow Volume SH H M L SL Dehumidifying Volume o A WW 60 60 12 18 Made GWHOSRB K3DBA3E I Cold GWH12RB K3DBA3E I Cold Model Plasma Plasma Product Code 1 CB302NO200 02 0220 d Crosfow 1 Crossflow 2 Diameter Length DXL Evaporator Form AluminumFin copperTube Aluminum Fin copper Tube Indoor Unit SwingMotorModel X A MPAAA 24 Dimension of Carton Box LXWXH o Technical Information Service Manual Mosel IHS a CTH PANASONIC WANBAO CHINA RESOURCES SANYO Compressor Manufacturer Trademark a COMPRESSOR GUANGZHOU SHENYANG COMPRESSOR CO LTD CO LTD CompressorModel 551240171 1 C ORZMOH A Compressor Oil CompressorType 1 ____ 800 Overload Protector 1 110 5270 1NT1L 3979 Throttling Method 77 Electron expansion valve _ Electron expansion Condenser Form 177 AluminumFin copperTube _ Aluminum Fin copper Tube RowsfinGap __ 26 25 5 4 Coll Length XDXW 1 FanMotorSpeed 7 fommi 590 8060 2 of Fan Motor 9012 92 outdoor nt e MolorRIA A I 98 o Fan Motor Capacitor O LLL Fanype DefrostingMethod Automatic Defrosting AutomaticDefrosting ClimateType
52. 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 O Location and the swinging is effectual only on condition that setting the swinging order and the inner fan is running The indoor fan and compressor may get the power when air deflector is on the default location Heating angle Cooling angle O 0 L1 L 1 1 1 C D1 D 10 Display 1 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 2 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 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 auto heating mode and the temperature will display H1 under the defrosting mode 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 pr
53. Ie e JN 01234561799 Input of neutral Interface 1 of Neutral wire of electri TT 4 f ire of power electric reactor heater of chassis Input of live 5 Interface 2 of ire of power electric reactor 3 Interface of fan interface Technical Information e heater of compressor Neutral wire of 4 way alve lt I p EBENE ET RUE 8 5 ii em ir OPES i A nmn Feau mr m COMU 0 7 6 9 11 cus Ka V n A _________ UU 17 1 wf Ti 66 r ri LJ c 00094 alve 11 Live wire of electric 14 U V W three phases heater of compressor 12 of overload 15 of ground wire of power 15 16 6 Function and Control 6 1 Remote Controller Introduction Buttons on Remote Controller 2 4 FAN 6 7 D 10 11 12 CLOCK 13 14 ureo Lien 16 3 t Introduction for Icons on Display Screen feel 727777 B ge NR e AUTO 8 C heating function ANON gt 286 46 Auto mode L d um 2 Coolmode 7 6 am mode MN Fan mode 5 __ ______ Heat mode vec Introduction for Buttons on Remote Controller Note Service Manual ON OFF button button button MODE button FAN button SWING button FEEL button 4 4 button SLEEP button TEMP butto
54. Q Cp SS gt gt 555050 05069 55050 2525 25 57 gt 76797676 JIXXXXXAM Installation and Maintenance 58 Service Manual Description pal ode NO GWHO9RB K3DBA5E GWH12RB K3DBA5E Qty 1 FrontPanelAssy 2001298 20028 1 2 Display Board 30565159 305658150 1 3 FilterSub Assy _ 1 111222003 1122403 2 4 jSrewCoer 1 24252079 225209 1 5 FrontCase Subassy 7 2001701 20029001 1 6 jArLower 1 1051215603 10125053 1 7 MirLower2 1 1051215500 1051215500 1 8 1 2611216300 26112163800 11 9 Bush 7 102057 10529 1 10 __ 222607 22209 171 11 Rubber Plug Water Tray 772142 77202 12 12 JRingofBearing __ 215202 2615202 1 13 O GasketofCrossFanBearing 7651223 752022 1 14 jO Gasketsub assyofBearing 765120512 76510502 71 15 CrossFlowFan 7 1 10352007 108520077 1 16 Generator 11401602 11400602 1 17 _ Evaporator Support 1 22007 242420 1 18 7 010000071 0100200011 11 19 Wall Mounting Frame 7 0220171 0125204 1 22 Motor Press Plate 2611201000 26112461 1 21 1501208000 amp 150120894 1 22 __ pipe clamp 261121644 2611216401 1 23 Drainagehose 1 550 041 0523001401 1
55. ally Connect normally zl Agust te o gt connection y Replace Fan capacitor zi Replace Motor Y v Fan capacitor is broken Replace outdoor mainboard Motor is broken N Y v C End Y 48 C Installation and Maintenance Service Manual 9 Start up failure LC AP1 below means control board of outdoor unit Main detection points e if the compressor wiring is correct If the stop time of compressor is sufficient e ifthe compressor is damaged e If the refrigerant charging amount is too much the 2 The stop time is not sufficient and If the stop time of compressor N the high and low pressure of system gt is more than 3min is not balanced please start the uni after 3min Y v Check the connection situation If the compressor wire of outdoor mainboard AP1 and COMP UVW is well connected and compressor COMP and the connection sequence is correct connect it according to wiring diagram Y Does the unit start up normally If the refrigerant charging lt N amount is too much Y Charge the refrigerant according to service manual Does the unit start up normally Replace outdoor mainboard 1 Is the malfunction Y gt eliminated N Y Replace the compressor End
56. d AP2 eliminated Installation and Maintenance eliminated 53 Service Manual 9 3 Troubleshooting for Normal Malfunction 54 1 Air conditioner can t be started 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 connection for power plug and the buzzer can t give out sound supply circuit and make sure the power plug is connected 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 correctly Check the wiring inside air conditioner Check hether the insulation layer of power cord is damaged if yes place the power cord fter energization air switch trips off Select proper air switch improper After energization operation indicator is bright Benson coniro Malfunction of remote controller while no display on remote controller buttons R pe t eon epair or replace remote co
57. downwards The drain hose can t be curved raised and fluctuant etc As show in Fig 26 o Installation and Maintenance Service Manual 3 The water outlet can t be placed in water in order to drain smoothly As show in Fig 27 x The drain hose can t be fluctuant _ _ _ _ _ z SII n 77 mn x The drain hose The water outlet can t be placed f 9 can t be fluctuant in water The water outlet can t be fluctuant Fig 27 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 1 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 Piezometer Gas valve A Refrigerant charging Soe Valve cap vent ds S Nut of refr
58. e is much lower than the insufficient regulated range Malfunction of horizontal louver Horizontal louver can t swing d point 3 of maintenance method for Malfunction of the IDU fan motor The IDU fan motor can t operate pole method in details Malfunction of the ODU fan motor The ODU fan motor can t operate e point 4 of maintenance method for Malfunction of compressor Compressor can t operate 2 point 5 of maintenance method for 3 Horizontal louver can t swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting Connect wires according to wiring diagram to make sure all wiring terminals are connected After energization room circuit breaker trips off at Electric leakage for air conditione g once Refrigerant is leaking rong wire connection or poor Check the wiring status according to circuit connection diagram firmly Stepping motor is damaged Stepping motor can t operate Repair or replace stepping motor Others are normal while horizontal louver Main board is damaged 22 7 777 the main board with the same model o 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 firmly rong wire connection or poor Check the wiring status according to circu
59. e 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 0 The condition and process of cooling If Tamb 2 T preset COOL mode will act the compressor and outdoor fan will run and the indoor fan will run at the set speed If Tamb ST preset 2C the compressor will stop the outdoor fan will delay 30 seconds to stop and the indoor fan will run at the set speed If CS lamp ST presets the unit will keep running in the previous mode In this mode the reversal valve will not be powered and the temperature setting range is 16 30 C V Start cooling Tpreset Original operating status Tpreset 2 C N 2 6 min gt 3 min gt 6 min Stop cooling Compressor Outdoor fan Indoor fan Setting fan speed RGN Stop 2 Protection function Overcurrent 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 Antifreezing 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 protecti
60. ed under cooling or auto cooling mode a When Tamb lt Toreset 2 C indoor fan will operate at high speed b When Ta lt Tamb lt Tpresett2 C indoor fan will operate at medium speed c When lamp ST preset indoor fan will operate at low speed There should be at least 180s operation time during switchover of each speed 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 doesn t 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 close the air outlet After starting the machine if you don t 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
61. eed 2 In the case Of Tindoor amb 224 C if T44 S42 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 gt 42 the indoor fan will beconvertedto preset speed Note T indoor amb indicated D 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 cleared Total current up and frequency down protection If the total current l s8W frequency rise will be allowed if l 2X frequency rise will not be allowed if the compressor will run at reduced frequency and if gt 27 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 C 5 AUTO Mode 1 Operation way of AUTO mode a When T44 4 4226 C it will run in cooling mode The implied set temperature is 25 C note the set temperature sending to outdoor unit is 25 b For heating and cooling unit when TambientS 19 C Teuppiementary it will run in heating mode The implied set temperature is 20 C for cooling
62. ence 80 1 Standard length of connection pipe e 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 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 The calculation method of additional refrigerant charging amount the basis of liquid pipe 96 95 12 or 9 5 16 19 19 or 22 2 50 350 Liquid Gas pipe mm Cooling only g m Cooling and heating 025 4 or 031 8 42000 Btu h 48000 Btu h Fahrenheit display temperature CF 78 79 80 81 82 83 84 85 Fahrenheit display temperature 79 80 86 87 6 Service Manual Fahrenheit o Celsius 6 8 9 30 Fahrenheit o Celsius 30 90 896 32 9 986 37 12306 W 14064 W When the length of connection 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
63. fter de erergization The unit returns to normal Conclusion U8 is displayed due to instant energization afte de energization while the capacitor discharges slowly U8 is still displayed NS Yes The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same model 45 Service Manual 6 Capacity charging malfunction outdoor unit malfunction AP1 below means control board of outdoor unit Main detection points Detect if the voltage of N terminal of XT wiring board is between 210VAC 240VAC by alternating voltage meter Is reactor L well connected Is connection wire loosened or pulled out Is reactor L damaged Turn on the unit and wait 1 minute Use AC voltmeter to measure the voltage on the two ends of electrolytic capacitor see fig 30 Malfunction of td Voltage higher Y the outdoor ep ii oor than 200V mainboard AE mainboar y Measure the voltage input with AC voltmeter see fig 30 Power supply is abnormal repair Voltage within the power supply Power on and Is the Vmalfunction 180VAC 260VAC to restore the range restart the unit between 180VAC eliminated 260VAC Y Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor until the voltage is lo
64. g frequency of the compressor automatically according to the change of ambient temperature When 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 o Technical Information Service Manual the compressor stops When compressor is running not including each malfunction and protection a When outdoor ambient temperature220 C and indoor fan speed is low or medium the fan speed will turn to high if indoor fan speed is high or super high it will keep the same b When outdoor ambient temperatures18 C the fan speed will resume set fan speed c When 18 C lt outdoor ambient temperature lt 20 C it will run at present fan speed set fan speed or high fan speed but when first exiting cold air prevention after entering heating mode it will run in set fan speed top heati Tpreset 5 C Sie Original operating status Tpreset 2 C amb 26min 23mln gt 6 min Compressor 22 Outdoor fan 60S 605 Start heating ete Ruy 4 stop 2 The condition and process of defrosting When frost is detected in the condenser the svstem 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 a
65. icient 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 Fig 18 4 For 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 Drain vent B Chassis Outdoor drain joirt Drain hose At least 3cm above the floor 5222 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 Fig 21 Fig 20 4 Fix Outdoor Unit 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 Foot holes A Ty NI
66. igerant e i Charging vent 7725 d Vacuum pump Inner hexagon 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 position there s a leakage Installation and Maintenance e 8 8 Check after Installation and Test Operation 1 Check after Installation Check according to the following requirement after finishing installation installed firmly emit noise It may cause insufficient cooling refrigerant leakage test heating capacity pipeline sufficient water dripping Is water drained well water dripping Is the voltage of power supply according to the may cause malfunction or voltage marked on the damage the parts nameplate Is electric wiring 5 It may cause malfunction pipeline installed dumiagedhe para correctly Is th it It may cause electric leakage securely Does the power cord It may cause malfunction or follow the specification damage the parts Is there any obstruction may cause insufficient cooling in air inlet and air outlet heating The dust and sundries caused It may cause malfunction or 10 dap during installation are damaging the parts removed 1 The gas
67. 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 the wall mounted frame As show in Fig 1 150mm 150m ea p Mark in the of it meter MEM to the Kum SS Left 055mm Rear piping hole Right 055mm 2 Open a piping hole with the diameter of 055 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 Fig 2 7 Outdoor 55 Fig 2 Indoor 5 10 N 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 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 ALL Left Rear left Fig 3 Left Right Cut off the hole Fig 4 30 Rear piping hole Service Manual 5 Connect the Pipe of Indoor Unit
68. isplay Method of Indoor Unit Display Method of Outdoor Unit Indicator has 3 kinds of Malfunction Name 2 System is abnormal A IPM protection Module temperature is too high Internal motor fan motor do not operate and blink 11 times Desynchro nizing of compressor PFC protection Outdoor DC fan motor malfunction OFF 3S and blink 23 times A eo OFF 3S and blink 20 times power protection I Indoor unit and outdoor unit doesn t match OFF 3S and blink 19 times Failure start up A C2 OO Indicator Display during Dual 8 blinking ON 0 55 and OFF display status and during blinking ON 0 5s and OFF 0 5s and blink 9 times OFF 1S and blink 16 times Displ Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator status 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 Internal fan motor external fan motor compressor and electric heater stop operation guide louver stops at present location During cooling and drying operation compressor will stop
69. it diagram Measure the capacity of fan capacitor with an he deviation range indicated on the nameplate off the capacity of fan an capacitor Power voltage is a little low or Use universal meter to measure the power y high oltage The voltage is a little high or low 99 i ge reg hen unit is on cooling heating performance Motor of outdoor unit is damaged 5 bad and ODU compressor generates a lot of noise and heat Change compressor oil and refrigerant If no better replace the compressor with a new one 5 Compressor can t operate Discriminating method air conditioner status Troubleshooting Connect wires according to wiring diagram to make sure all wiring terminals are connected firmly rong wire connection or poor Check the wiring status according to circuit connection diagram Measure the capacity of fan capacitor with an Capacity of compressor is universal meter and find that the capacity is out o damaged he deviation range indicated on the nameplate of an capacitor Power voltage is a little low or Use universal meter to measure the power supply aig eado high oltage The voltage is a little high or low 99 SP ge reg Use universal meter to measure the resistance Coil of compressor is burnt out Repair replace compressor between compressor terminals and it s 0 Cylinder of compressor is blockediCompressor can t operate Repair or replace compressor
70. n TIMER ON button CLOCK button TIMER OFF button TURBO button LIGHT button X FAN button Set fan speed Send signal Turbo mode ventilation operation health function X fan mode Set temperature Set time TIMER ON TIMER OFF Child lock Up amp down swing e After putting through the power the air conditioner will give out a sound Operation indictor ly is ON red indicator After that you can operate the air conditioner by using remote controller e Under on status pressing the button on the remote controller the signal icon gs on the display of remote controller will blink once and the air conditioner will give out a de sound which means the signal has been sent to the air conditioner e Under off status set temperature and clock icon will be displayed on the display of remote controller If timer on timer off and light functions are set the corresponding icons will be displayed on the display of remote controller at the same time Under on status the display will show the corresponding set function icons 1 ON OFF Button Technical Information Service Manual Press this button to turn on the unit Press this button again to turn off the unit 2 Button Press this button to decrease set temperature Holding it down above 2 seconds rapidly decreases set temperature In AUTO mode set temperature is not adjustable 3 Button Press this button to increase set temperature Holding it down above 2 sec
71. n eliminated Check the surface of reactor coil N Power on and restart the unit Is the malfunction eliminated If itis damaged Y Replace the reactor N y Replace outdoor mainboard AP1 C 52 Installation and Maintenance Service Manual 12 Communication malfunction E6 Main detection points Check if the connection wire and the built in wiring of indoor and outdoor unit are connected well and without damage e if the communication circuit of indoor mainboard is damaged If the communication circuit of outdoor mainboard AP1 is damaged Malfunction diagnosis process If the unit operates normally before malfunction Y Check built in wiring of indoor and outdoor unit Replace the If the wiring is wire damaged N Y Check the malfunction N type with communication malfunction detector Is the malfunction eliminated alfunction of outdo ommunication N v N Check the connection wire according to the wiring diagram If the connection wire is connected well N Reconnect the wire or replace the connection wire according to the wiring diagram Is the malfunction Replace outdoor mainboard 1 Is the malfunction Replace indoor i mainboar
72. nd 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 wav valve opens and after another 60 seconds the compressor and outdoor fan resume running Theindoor fan will delay 3 minutes to run at the latest The Heat indicator will be off for 0 5 second in each 10 seconds during defrosting The period of defrosting 90s TL Four way valve BOs Outdoor Unit Indoor Unit amin Set fan speed 3 Protection function CRM Stop Anti cold wind protection In HEAT mode in order to prevent the indoor unit 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 Cold air prevention The unit is started under heating mode the compressor is ON D In the case Of Tracor amb lt 242 lt 40 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 gt 40 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 2 minute non operation if lt 42 the fan will run at present sp
73. ntroller 2 Poor cooling heating for air conditioner Possible Causes Discriminating Method Air conditioner Status Troubleshooting Set temperature is improper Observe the set temperature on remote controllerjAdjust the set temperature Rotation speed of the IDU fan low Small wind blow Set the fan speed at high or medium Filter of indoor unit is blocked Check the filter to see it s blocked Clean the filter T whether the installation postion is proper Installation position for indoor unit Adjust the installation position and install the and outdoor unit is improper rainproof 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 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 Pressure at the valv
74. ol terminal of PG motor tightly yes malfunction Stir the blade by hand to see whether the blade rotate s smoothly Reinstall the blade and motor correctly yes Is malfunction no yes gt Turn on the nit again measure whether the output voltage on control terminal for PG motor EL is more than 50V within 1 min after the yes louvers are opened yes Is the motor started up no Measure the voltage of this foot to neutral Y wire on the mainboard Replace PG motor Is malfunction eliminated yes gt Replace the mainboard with the same model Installation and Maintenance Service Manual 3 Malfunction of Protection of Jumper Cap C5 Troubleshooting for C5 malfunction Is there jumper cap on the mainboard yes Appearance of Assemble the jumper cap with the same model Is the jumper cap inserted correctly and tightly 2 yes HS Is malfunction eliminated 4 Replace the jumper with the same model Is malfunction no Insert the jumper cap tightly s malfunction eliminated eliminated no Replace the mainboard with the same model yes yes uu Installation and Maintenance e Service Manual 4 Malfunction of Overcurrent Protection E5
75. oling and drying ofmodule OFF 3S operation compressor will stop 29 P7 and blink while indoor fan will operate outdoor control panel AP1 18 times During heating operation the sensor circuit complete unit will stop After the complete unit is de energized for 20mins check Sahih During cooling operation whether the thermal grease on IPM ule hi j j 9 will stop while Module of outdoor control panel 30 temperature and blink indoor fan will operate neler ith protection 19 times During heating operation the i abs wine complete unit will stop radiator is inserted tightly If its no use please replace control panel API Decrease frequencv due to high i OFF 3S All loads operate normally Refer to the malfunction analysis temperature while HO and blink overload high temperature resistant operation frequency for during 10 umes compressor is decreased resistant heating operation OFF 3S and blink twice During cooling and drying 1 Wiring terminal OVC COMP operation compressor will stop is loosened In normal state the Overload mE See while indoor fan will operate resistance for this terminal should ies eens TES During heating operation the jbe less than 1ohm complete unit will stop 2 Refer to the malfunction analysis operation discharge protection overload Installation and Maintenance 37 Service Manual D
76. on is eliminated and the compressor has stopped for 3 minutes the compressor will resume running in the original mode During antifreeze protection Compressor 4 23min Outdoor fan Indoor fan cy Preset speed Stop 2 Dehumidifying Mode D 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 2 CS Tamb ST preset the compressor remains at its original operation state If 2 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 Protection is the same as that under the cooling mode 3 HEAT Mode 1 The condition and process of heating If l mbSTpresett2 HEAT mode will act the compressor outdoor fan and reversal valve will run the indoor fan will delay 3min to stop at the latest If Toresett2 C lt Tamb lt unit will keep running in the original mode If Tamb 2 T preset 72 the compressor will stop the outdoor fan will delay 30sec to stop and indoor fan will blow 60S at low speed the fan speed cannot be shifted within blow residual heat this mode the temperature setting range is 16 30 C The air conditioner will adjust the runnin
77. on to turn on the display s light and press this button again to turn off the display s light If the light is turned on tis displayed If the light is turned off 3 disappears 16 X FAN Button Pressing X FAN button in COOL or DRY mode the 5 displayed the indoor fan will continue operation for 10 minutes order to dry the indoor unit even though you have turned off the unit After energization X FAN OFF is defaulted X FAN is not available in AUTO FAN or HEAT mode 17 Combination of and buttons About lock Press and buttons simultaneously to lock or unlock the keypad If the remote controller is locked 5 displayed In this case pressing any button blinks three times 18 Combination of MODE and buttons About switch between Fahrenheit and centigrade At unit OFF press MODE and buttons simultaneously to switch between C and F 19 Combination of TEMP and CLOCK buttons About Energy saving Function Press TEMP and CLOCK simultaneously COOL mode to start energy saving function Nixie tube on the remote controller displays SE Repeat the operation to quit the function 20 Combination of TEMP and CLOCK buttons About 8 C Heating Function Press TEMP and CLOCK simultaneously in HEAT mode to start 8 C Heating Function Nixie tube on the remote controller displays and a selected temperature of 8 C 46 F if Fahrenheit is adopted Repeat the operation to quit
78. onds rapidly increases set temperature In AUTO mode set temperature is not adjustable 4 MODE Button Each time you press this button a mode is selected in a sequence that goes from AUTO COOL DRY FAN and HEAT as the following AUTO gt COOL DRY FAN Note Only for models with heating function After energization AUTO mode is defaulted In AUTO mode the set temperature will not be displayed on the LCD and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable As for cooling only unit it won t have any action when it receives the signal of heating operation 5 FAN Button This button is used for setting Fan Speed in the sequence that goes from AUTO then back to Auto 48 Low speed Medium speed 446 High speed 6 SWING Button Press this button to set up amp down swing angle which circularly changes as below gt lp OFF 3 lt sa remote controller is universal If any command SI 5 or al is sent out the unit will carry out the command as gt SHindicates the guide louver swings as gt gt 2 2 4 7 FEEL Button Press this button to turn on FEEL function The unit automatically adjust temperature according to the sensed temperature Press this button again to cancel FEEL function 8 A Button Press this button to achieve
79. onment Ambient temperature is too high 1 Poor air return in indoor unit 2 Fan speed is abnormal 3 Evaporator is dirty 1 Refrigerant leakage 2 Indoor evaporator temperature sensor works abnormally 3 The unit has been plugged up somewhere 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 Refer to the corresponding malfunction analysis Refer to the malfunction analysis overload high temperature resistant Replace outdoor control panel 1 Discharging 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 No jumper cap insert on mainboard 2 Incorrect insert of jumper cap 3 Jumper cap damaged 4 Abnormal detecting circuit of mainboard Installation and Maintenance Service Manual Malfunction Name 2 EN Code 0 5s Pispiaj Operation Indicator OFF 35 Indoor ambient temperature sensor is open short circuited Indoor evaporator temperature sensor is open short circuited 3 Outdoor ambient temperature sensor 15 open short circuited Outdoor condenser temperature sensor is open short circuited I
80. ooting for Main Malfunction 1 Malfunction of Temperature Sensor F1 F2 Troubleshooting for F1 F2 malfunction Y Is the wiring terminal between the temperature sensor andthe controller loosened or poorly contacted yes Insert the temperature sensor tightly Is there short circuit due to trip over of malfunctio eliminated the parts yes Make the parts upright lt Is the emperature sensor normal accordin malfunctio eliminated to the Resistance Table yes no Replace it with a temperature sensor with the same model Is malfunction no v Replace the mainboard with the same model yes yes yes Installation and Maintenance e 41 42 2 Malfunction of Blocked Protection of IDU Fan Motor H6 Troubleshooting for H6 malfunction Stir the blade with a tool to see whether the blade rotates Tighten the screw reassemble the blade motor Service Manual and shaft bearing rubber base sub assy to make yes sure there is no foreign object between them 4 yes gt Is the control terminal of PG motor no connected tightly Insert the contr
81. op 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 louver 13 Memory Function When interrupting the power supply memory content mode swing function light set temperature and wind speed After interrupted the power supply the machine will start when recovering the power according to the memory contentautomatically o Technical Information Service Manual Part II Installation and Maintenance 7 Notes for Installation and Maintenance Safety Precautions Important 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 e The 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 eAll 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 Safety Precautions 1 Cut off the power sup
82. otection E4 Exhausting protection E5 Overcurrent protection E6 Communication failure F1 Indoor ambient sensor start and short circuit continuously measured failure in 5s F2 Indoor evaporator sensor start and short circuit continuously measured failure in 5s Technical Information e 23 24 Service Manual 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 don t 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 H3 Overload protection of compressor H5 Module protection PH High voltage protection PL Low voltage protection P1 Nominal cooling and heating test P2 Maximum cooling and heating test P3 Medium cooling and heating test PO Minimum cooling and heating test 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 former status within 2 minutes and other load is stopped then stop the entire machine When you st
83. per meter Additional refrigerant charging amount for R22 R407C R410A and R134a Diameter of connection pipe Outdoor unit throttle ___ 250 __ 22 2 ____ 380 ___ 2 2 120 120 250 350 g m Installation and Maintenance Service Manual Appendix 3 Pipe Expanding Method N Note Improper pipe expanding is the main cause of refrigerant leakage Please expand the pipe according to the following steps x 90 Leaning A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit LU e Cut the required pipe with pipe cutter L B Remove the burrs e Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut e Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the pipe E Expand the port e Expand the port with expander N Note e A is different according to the diameter please refer to the sheet below A mm Max 06 6 35 1 4 9 52 3 8 16 15 88 5 8 Outer diameter mm F Inspection Smooth surface e Check the quality of expanding port If there is any blemish expand the port again according to the steps above X X Uneven Burr Improper expanding 1 7 wr wf leaning damaged crack uneven surface The length is equal Installation and Maintenance e
84. ply of air conditioner before checking and maintenance 2 The air condition must apply 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 adequately grounded The grounding wire can t be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wire and grounding wire of power supply 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 Installation and Maintenance e 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
85. pressor will resume its operation 7 Faults of temperature sensors Designation of sensors ndoor ambient temperature he sensor is detected to be open circuited or short circuited for successive 5 seconds T ndoor tube temperature The sensor is detected to be open circuited or short circuited for successive 5 seconds T Outdoor ambient temperature The sensor is detected to be open circuited or short circuited for successive 30 seconds The sensor is detected to be open circuited or short circuited for successive 30 seconds and no Outdoor tube temperature Mo i detection is performed within 10 minutes after defrost begins After the compressor has operated for 3 minutes the sensor is detected to be open circuited or short Exhaust circuited for successive 30 seconds After the compressor has operated for 3 minutes the sensor is detected to be open circuited or short Overload dM circuited for successive 30 seconds 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 TEMP or TEMP the setting temperature will be up or down by 1 Regulating Range 16 30 C the button is useless under the AUTO mode 4 Time Switch You should start and
86. r 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 35 Malfunction Name L Decrease frequencv due to high air discharge Limit decrease frequencv due to antifreezing Voltage for DC bus bar is too high NO Voltage of DC bus bar is too low 22 Min NO test state rated test state Compressor frequence in Compresso r frequenc e in Display Method of Indoor Unit Indicator Display during Dual 8 blinking 0 56 and OFF Code 0 5s Operation Heating Indicator jIndicator Indicator OFF 3S OFF 3S and blink and blink 2 times 2 times during during blinking blinki during blinking ON ON 0 25s 0 25s and OFF and OFF during blinking during during Compressor inki inki maximum frequence in test state Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Yellow Green Indicator Indicator Indicator OFF 1S and blink 4 times status All loads operate normally while operation frequency for
87. r than If this malfunction occurs AC175V OFF 35 durin 2 Wiring terminal 4V is loosened or 47 valve is 07 and blink h E h k B POR 20 times eating operation the complete broken unit will stop operation 3 4V is damaged please replace 4V Zero During cooling operation crossing compressor will stop while 48 iunet f 09 blink indoor will operate during outdoor control panel 1 id 18 times heating the complete unit will outdoor unit stop operation Frequency 49 limiting power 50 Compressor running The temperature 51 jforturning on the unit is reached Frequency limiti 52 imiting module temperature Installation and Maintenance e 40 Display Method of Indoor Unit Display Method of Outdoor Unit Indicator Display during Indicator has 3 kinds of display Malfunction Dual 8 blinking ON 0 5s and OFF status and during blinking Name Code 10 98 0 5s and OFF 0 5s Display Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator Normal OFF 0 5S communica and blink tion 54 Defrosting OFF 15 blinking blink V TUS twice and OFF 0 55 Service Manual A C status Possible Causes Defrosting will occur in heating mode Compressor will operate while indoor fan will stop operation Its the normal state Installation and Maintenance Service Manual 9 2 Troublesh
88. sFlowFan _ 7 1035207 109207 12 16 ColdPlasmaGenerator 7 11404602 1140062 1 17 Support 1 22007 2424120 1 18 _ Evaporator Assy 7 010000071 7 01002000101 1 19 Wall Mounting Frame 012520 0125204 1 20 Motor Press Plate 2611201000 261216801 1 21 15012089000 1502894 1 22 jConnectngpipeclamp 7 641401 261121640 1 23 Drainagehose 7 052300140 0828001401 1 24 jStepingMoor 1 192121200 1 15212129 11 25 Crank 10500 71 1058200 1 26 Guide Louver 52025 _ 105122 1 27 JAdeBuh 105420050 104206 1 28 j ElecricBox 20112082 201120800 11 29 TermnalBord 42011233 492023 1 30 Electric Cover 7 201205 20122075 1 31 MManBord _ 30148 82 7 30148782 1 32 Shield cover of Electric sub assy 7 01592073 0592907 1 33 jElecricBoxCover 7 2445 2415 1 34 Jumper 4202300100 4202914 171 35 Electric BoxAssy 240247 24048 1 36 JPowerCord 40249 71 450069 71 37 ConnecingCabe 1 400204055 7 400204055 Above data is subject to change without notice I ImN5 I Installation and Maintenance e Service Manual GWH12RB K3DBASE I KSU
89. stop the machine according to the setting time by remote control o Technical Information Service Manual 5 SLEEP State Control a When the air conditioner is under the mode of COOL and the SLEEP mode has been set well after the SLEEP state keeps about 1 hour the pre setting T will raise 1 C and it will raise 1 C again after 2 hours so it raise 2 C in 2 hours then it will run on at the setting temperature and wind speed b When the air conditioner is under the mode of HEAT and the Timer has been set well after the SLEEP state keeps about 1 hour the pre setting T will reduce 1 C and it will reduce 1 C again after 2 hours so it reduce 2 C in 2 hours then it will run on at the setting temperature and wind speed c The setting temperature keeps the same under the FAN mode and AUTO mode 6 Indoor Fan Control Indoor fan could be set at ultra high high medium low speed by wireless remote controller and operated as that speed Auto fan speed could be set as well indoor fan will operate under auto fan speed as following 1 Under heating mode auto speed under heating or auto heating mode a When Tamb ST presett 1 C indoor fan will operate at high speed b When 1 lt Tamo lt indoor fan will operate at medium speed When Tamb 2Tpresett 3 indoor fan will operate at low speed There should be at least 180s operation time during switchover of each speed 2 Under cooling mode auto spe
90. tch Refer to the malfunction analysis Installation and Maintenance Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display during displav status and dining Malfunction TE NO Dual 8 jblinking ON 0 58 and OFF i i 0 55 and OFF status Possible Causes Name Code 10 55 0 5s Displ ep Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator Malfunction of During cooling and drying phase current OFF 3S operation compressor will stop 44 detection U1 and blink while indoor fan will operate outdoor control panel AP1 circuit for 13 times During heating operation the compressor complete unit will stop During cooling and dryin Malfunction of A OFF 3S operation compressor will stop 45 U3 and blink while indoor fan will operate Supply voltage is unstable 00160 20 times During heating operation the DC bus bar ur complete unit will stop During cooling and drying operation the compressor will Malfunction Theres circuit malfunction OFF 3S stop while indoor fan will of complete outdoor units control panel 46 U5 and blink operate units current 13 ti please replace the outdoor units imes During heating operating detection control panel 1 the complete unit will stop operation 1 Supply voltage is lowe
91. the function 21 About Back lighting Function The unit lights for 4s when energizing for the first time and 3s for later press 22 About HEALTH function COLD PLASMA Turn on the unit start up the fan Breezing and X FAN are excluded and press HEATLTH button on remote controller to start health function If there is not HEALTH button on remote controller the unit defaults health function ON 23 Operation guide 1 After putting through the power press ON OFF 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 SWING button to select fan blowing angle o Technical Information Service Manual 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 o 2 Replace two 74 AAA 1 5V dry batteries and make sure the position of polar and polar are correct 3 Reinstall the cover of battery box Note battery e During operation point the remote control signal sender at the receiving window e on indoor unit e he distance between signal sender and receiving window should be no
92. the on and off of healthy and scavenging functions in operation status Press this button for the first time to start scavenging function LCD displays r Press the button for the second time to start healthy and scavenging functions simultaneously LCD displays y and Press this button for the third time to quit healthy scavenging functions simultaneously Press the button for the fourth time to start healthy function LCD display 2 Press this button again to repeat the operation above This function is applicable to partial of models 9 SLEEP Button Press this button to go into the SLEEP operation mode Press it again to cancel this function This function is available in COOL HEAT Only for models with heating function or DRY mode to maintain the most comfortable temperature for you 10 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 no display 1 Technical Information 17 18 Service Manual e When selecting m by remote controller or no display temperature indicator on indoor unit displays set temperature 1 m H a e When selecting 21 by remote controller temperature indicator on indoor unit displays indoor ambient temperature LI e When selecting fy by remote controller temperature indicator on indoor
93. 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 25 26 Service Manual Main Tools for Installation and Maintenance 1 Level meter measuring tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner gt 9 Pressure meter 12 Soldering appliance refrigerant container e 0 Installation and Maintenance Service Manual 8 Installation D imension 8 1 Installation D iagram Space to the wall Drainage pipe b SS 062 15291 IV 100 A LQ MN Space to the wall 27 Installation and Maintenance Service Manual Installation procedures Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location
94. the right side plate with the valve support and the electric box Then remove the right side plate Procedure Front panel 5 92200000 52906000 1 issessolena
95. unit displays outdoor ambient temperature 11 TIMER ON Button Press this button to initiate the auto ON timer To cancel the auto timer program simply press this button again After press of this button Odisappears and ON blinks 00 00 is displayed for ON time setting Within 5 seconds press or button to adjust the time value Every press of either button changes the time setting by 1 minute Holding down either button rapidly changes the time setting by 1 minute and then 10 minutes Within 5 Seconds after setting press TIMER ON button to confirm 12 CLOCK Button Press CLOCK button blinking CO Within 5 seconds pressing or button adjusts the present time Holding down either button above 2 seconds increases or decreases the time by 1 minute every 0 5 second and then by 10 minutes every 0 5 second During blinking after setting press CLOCK button again to confirm the setting and QD then will be constantly displayed 13 TIMER OFF Button Press this button to initiate the auto off timer To cancel the auto timer program simply press the button again TIMER OFF setting is the same as TIMER ON 14 TURBO Button Press this button to activate deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time In COOL mode the unit will blow strong cooling air at super high fan speed In HEAT mode the unit will blow strong heating air at super high fan speed 15 LIGHT Button Press LIGHT butt
96. valve and liquid jit may cause insufficient cooling 11 valve of connection pipe heating capacity are open completely 2 Test operation 1 Preparation of test operation e The client approves the air conditioner installation 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 lower than 16 C the air conditioner can t start cooling 33 Service Manual 9 Maintenance 9 1 Error Code List Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display during Malfunction blinking ON 0 5 d OFF display status and during Dual 8 gt 10 AN9 FU oem an blinking ON 0 5s and OFF AIC status Code 0 55 Operation Heating Yellow Green Indicator Indicator Indicator Indicator Indicator Indicator During cooling and drying High operation except indoor pressure fan operates all loads stop protection of operation During heating operation the complete unit stops OFF 15 During cooling and drying operation compressor and and blink our outdoor fan stop while indoor 3 times fan operates Refrigerant oe The Dual 8 Code Display will and
97. wav valve assv Welding cut the spot weld of four wav valve assv compressor air suction discharging valve and condenser pipe outlet lift to remove the four way valve assy Note release the refrigerant before welding cutting ala JA Pr 4 ror NS D L4 NE 14 Remove compressor Remove the three feet screw nuts fixing compressor to remove the compressor 78 C Installation and Maintenance Service Manual Procedure 15 Remove big and small valve assy Remove screws connecting condenser assy and chassis to remove the condenser assy Remove the screws fixing big and small valve to remove the valves condenser assy Installation and Maintenance e small valve big valve 79 Appendix Appendix 1 Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree Tf Tcx1 8 32 Set temperature Fahrenheit display temperature oy Fahrenheit Celsius 68 68 Ambient temperature Fahrenheit display temperature CF 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Fahrenheit display temperature CF AN Fahrenheit Celsius Fahrenheit display temperature CTI GP Fahrenheit Celsius 7 1 1 1 68 600 68 20 _ 0 1 2 Appendix 2 Configuration of Connection Pipe connection pipe differ
98. wer than 20V Check the connection of reactor and connection wire Connect the connection Power on and wire of reactor restart the unit L correctly Replace outdoor mainboard 1 N f the wiring of reactor L is normal Is the Vmalfunction eliminated 46 C Installation and Maintenance Service Manual 7 IPM protection H5 desynchronizing malfunction H7 overcurrent of compressor phase current P5 AP1 below means control board of outdoor unit Main detection points Is voltage input within the normal range If the control board AP1 is well connected with compressor COMP If they are loosened If the connection sequence is correct Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad If the system pressure is too high If the refrigerant charging amount is appropriate If coil resistance of compressor is normal 15 compressor coil insulating to copper pipe well If the work load of unit is heavy If radiating of unit is good Malfunction diagnosis process H5 H7 or P5 is displayed after turning on the unit Measure if the voltage input is within 180 265V with AC voltmeter see fig 30 The unit starts operation again N Repair power supply to make Restart the unit the power voltage normal
99. 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 stop operation compressor stop operation and Outdoor fan motor will stop 30s latter 3 minutes latter fan motor and compressor will restart compressor and Outdoor fan motor can t work During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation malfunction lead to compressor system blocked or the connector Possible Causes Refer to the malfunction analysis overload high temperature resistant Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor 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 loosed To protect the electronical components when detect high power Indoor unit and outdoor unit doesn t ma
100. y Mode dor 22 2 Cooling Capacity Min Max Heating Capacity Min Max Cooling Power Input Min Max 640 100 1300 980 100 1450 Heating Power Input Min Max 650 150 1700 920 150 1700 Air Flow Volume SH H M L SL 600 500 400 300 600 500 400 300 Dehumidifying Volume L h 0 80 1 40 W W 6 50 4 00 4 00 12 18 16 24 GWHO9RB K3DBAS5E I GWH12RB K3DBASE I CB304N01200 CB304N01300 Cross flow Cross flow Diameter Length DXL 92 645 92 645 Motor Cooling Speed SH H M L SL an Motor Heating Speed SH H M L SL 1260 1050 900 690 1320 1200 1000 910 1290 1070 900 690 1280 1050 980 920 r min r min NO NO a B li NO NO an Motor RLA an Motor Capacitor nput of Heater vaporator Form 0 10 0 10 Aluminum Fin copper Tube Aluminum Fin copper Tube c O g 5 5 T o 5 5 lt e 7 7 Indoor Unit Rowin Coil Length LXDXW m 690X24 8X266 7 690X24 8X266 7 MP24AA MP24AA 3 15 3 15 41 35 30 23 42 36 31 26 55 51 46 37 55 51 46 37 845X275X189 845 275 189 Dimension of Carton Box LXWXH 923X264X356 923X264X356 LXWXH 926 267 371 10 0 13 0 926 267 371 10 0 13 0 2 G 21 zs Z 9 09 Technical Information Service Manual Model GWHOSRE GDBASE O GWH12RB K3DBABE O CB304W01200 1 304 0130
101. zed 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 positioned 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 29 the holes 3 Fix the wall mounting frame on the wall with tapping screws ST4 2X25TA and then check if the frame

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