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Service Manual

1. 2 COMP OUTDOOR UNIT COMP TUBE DISCHARGE Tue mp DR L REACTOR W8 YEGN SENSOR SENSOR SENSOR PE W9 YEGN PE W 7 API BU ak m AC L3 5 2 COM OUT AC N 18 man aan ACL T P aca OVC COMP OFAN L APBOARD U VW gt 2 Wid WI5 W22 ELECTRICAL SUBASSY IR T ae BOTTOMBAND COMPBAND W20 YEGN 2 fu f 7 HEATER HEATER SU lt W19 VEGN BU YE gp FAN MOTOR OVERLOARD YEGN WI PROTECTOR PE OUTDOOR UNIT COMP GWH09MA K3DNA3B 0 CB171W0191 GWH12MB K3DNA3B 0 CB171W0212 pe L REACTOR SENSOR SENSOR SENSOR a T sl WIOBU WH BN 15 LX1 4 5412 Ws BA CN2 aci M 15 i 1 SE AC L4 AC L3 LED LI BN ACN nc BN W6 BU 3 ACL lt ACN W YEGN W2 BK AC N2 8 COMU BU AC N3 OFAN V 7 UX UVW HEAT N1 ell HEAT N2 Wa Wi Wo ELECTRICAL 800 9084551 RD Nr ker er 2 levem toe xs mme gx w19 YEGN BU YE pp VE FAN M
2. 22 2 1 2222 31 7 2 Installation Dimension 99 7 3 Install Indoor 2 2 2 2 422 0002220200 34 7 4 Install Outdoor 30 7 5 Check after Installation and Test 36 7 6 Installation and Maintenance of Healthy Filter 37 Table of Contents 8 Exploded Views and Parts List 38 8 1 Indoor 2 0 100000080001000000000 38 8 2 Outdoor 10110000000000020 43 9 Troubleshooting 47 9 1 Malfunction 5 47 9 2 Malfunction Code 0 0 000080000018 51 10 Removal Procedure 64 10 1 Removal Procedure of Indoor Unit 64 10 2 Removal Procedure of Outdoor 69 Summary and Features Indoor Unit GWHO9SRA KS3DNA1A I GWHO9SRA KS3DNAT1B I GWH12RB K3DNA1B I GWH12RB K3DNA2B I GWHO9SRA K3DNAAB I GWH12RB K3DNAAB I Outdoor Unit GWHO9RA K3DNA1A O GWHO9MA K3DNA3B O GWH12MB K3DNAS3B O Remote Co
3. me js 7 ED e xm A ERE SS SSS IN d 2 4 ZW 1 T ZA ES Remove screws connecting electric box cover 2 and front case and then remove the electric box cover 2 P n ee i E ie r Removal Procedure Sens e 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 swing blade Remove swing blade Removal Procedure Stm 7 Remove electric box Pull out the indoor temperature sensor fey ie SAM b VC Va le YA Sere 175 v n 2 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 HF Sj 2 47 7 7 Turn over bottom case remove screws connecting
4. 8 27 26 25 24 f Y NN md M A o LI e NY 0 4 FER GES oy I oo lt m d v XV AR Ser Se 59 en 2 52 5 NS NON lt 17 2274 g 2 02 43 44 Exploded Views and Parts List Description GWHO9RA K3DNA1A O CB144W0021 0261310502 0261310602 30148407 43130184 49010104 3900030804 42011113 71010003 22413433 01533034P 10333004 02803105P 1501308502 26233100 01253454 0170310401 01163537 01473009 03063750 05212423 26113014 07133082 26233433 07133691 0171314201P 0130317801 03123898 01233385 4300040050 49010109 76513004 00103869G 06123401 76510004 GWHO09MA K3DNA3B O Qty 171 0191 02613041 02613055 30148387 43130184 49010109 3900030804 42011113 71010003 22413433 01533034P 10333004 0280310501P 15013076 26233100 01253454 01703102 01163499 01473009 03063974 05212423 26113014 07133082 26233433 07133691 0171314201P 0130317801 03123897 01233385 4300040050 49010104 76513004 00103869G 06123401 76510004 Product Code Electric Box Assy Electric Box Sub Assy Main Board Reactor Magnetic Ring Temperature Sensor 7 Terminal Board Wire Clamp Front Grill 10 Front Panel 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Axial Flow Fan Chassis Sub assy Brushless
5. 2 5 9 5 51 T 5 lol 3 e xX gt lt gt gt lt ix MEN Specifications Outdoor Unit Model GWH12MB K3DNA3B O 12 Outdoor Unit Product Code CB171W0212 CB171W0213 Un LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO LTD CO LTD Compressor Model QXA BO96ZCT9 GREE QXA BO96ZCT9 GREE Compressor Oil 68 CompressorType J 1 Roay Compressor Overload Protector Throttling Method Cooling Operation Ambient C 18 43 15 43 Temperature Range Heating Operation Ambient 7 24 7 24 Temperature Range Condenser Form Pumas A ee Condenser Phe ameter e e 8 Condenser Rows in Gp mm 2 14 2414 GOL DIC OMEN SWMNE AEN Outdoor Fan Motor 29 08 FaType _ FanDiameter 440 J Defrosting Method AutomaticDefrosting AutomaticDefrosing Permissible Excessive 4 ende e a a 2 l 2 5 PAS Pressure for the Suction Side Refrigerant R410A R410A Refrigerant Charge Connection Pipe Length Connection Pipe Length Length Connection Pipe Gas Additional Charge Outer Diameter Outer Diam
6. 79 15 2 ua n s 1s 19 05 ua 4 sn 10 057 ma 5 12 0 561 ss 4 sa s 1099 12 0 532 0 519 0 505 0 492 0 48 0 467 0 456 0 444 0 433 0 422 0 412 0 401 0 391 0 382 7 3458 46 678 85 154 124 8 3294 47 608 86 154 125 9 358 48 5809 87 1497 126 to 299 49 5589 88 127 285 5 5 379 128 5 197 129 4 986 130 4 802 131 4 625 132 4 456 133 4 294 134 4 139 135 3 99 136 1 451 1 408 1 363 1 322 1 282 1 244 1 207 1 171 1 136 1 103 259 mg 236 ms 205 196 W ii Lj Mi a E u E 6 3632 45 659 165 123 a ii E E _ co N gt 51 52 53 54 55 56 57 58 Troubleshooting Appendix 2 Resistance Table for Indoor and Outdoor Tube Temperature Sensor 20K Resistance kQ Resistance kO Resistance kQ _ Temp C Resistance kQ 49 1814 20 2501 59 5 98 147 8 74 21 239 60 4948 99 156 x 22 228 473 10 136 16 1533 2185 460 5 101 130 5
7. 15 547 84 6167 93 168 132 059 16 3004 5 592 94 1609 133 0549 17 2868 56 57200 95 1561 134 05385 18 2739 857 96 155 135 054 19 267 58 52 97 147 136 050 Note The information above is for reference only Or B NM gt 63 Removal Procedure 10 Removal Procedure 10 1 Removal Procedure of Indoor Unit N Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly Stees rod 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 3 Remove axial bush on horizontal louver and bend the horizontal louver slightly to remove it horizontal louver 64 Removal Procedure Procedure 3 Remove display and panel display 1 L Remove screws on displav and then remove the Se a display SCrew Quit the rotation shaft of panel from groove and then remove the panel 4 Remove electric box cover 2
8. 3 2 Outdoor Unit 540 Unit mm Refrigerant System Diagram 4 Refrigerant System Diagram OUTDOOR UNIT INDOOR UNIT GAS SIDE 2 gt ARK PR m 3WAY VALVE Bar 4 EXCHANGER EVAPORATOR Compressor HEAT EXCHANGER EVAPORATOR LIQUID SIDE lt Y gt lt gt 000 2WAY VALVE Strainer Capillary Strainer lt COOLING lt 4 HEATING Refrigerant pipe diameter Liquid 1 4 6 mm Gas 3 8 9 52 mm 15 Schematic Diagram 5 Schematic Diagram 5 1 Electrical Wiring Electrical Data Indoor Unit TEM SENSOR m 4v BROWN Ed ELECTRONIC BLACK EXPANSION VALVE YEGN YELLOW GREEN WHITE ROOM TUBE DISPLAY L1 BN TEM SENSOR YEGN L AC L p L OUT PE PGF PG SWING UD HEALTHEL HEALTHN Y Y RD BU COOL PLASMA GENERATOR E IYEGN FAN MOTOR SWING MOTOR U D PE OUTDOOR UNIT 16 Schematic Diagram Outdoor Unit GWHO09RA K3DNA1A O CB144W0021
9. Aoma cDefosing M 00059 0 a do Moisture Proein O O Permissible Excessive Operating Pressure for the Discharge Permissible Excessive Operating Pressure for the Suction l MPa 2 9 20210777 Connection Outer DiameterLiqudPipe 96 Pipe The above data is subject to change without notice Please refer to the nameplate of the unit Specifications 2 2 Operation Characteristic Curve Cooling Heating 8 Current A Condition Condition Indoor DB 27 C WB19 C 2 Indoor air flow Turbo ndoor air flow Turbo Pine lenath 5m Pipe length 5m 2 Voltage 230V 1 ge 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 5 5 80 60 gt 8 a E G O 70 O 40 Condition Condition Indoor DB27 C WB19 C Indoor DB20 C 60 Indoor air flow Turbo Indoor air flow Turbo Pipe length 5m 20 1 1 length 5m 50 0 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 7 5 0 5 10 Outdoor temp Outdoor temp 11 Specifications 2 4 Operation Data Cooling alan Model Indoor fan
10. Compressor Oil 68P 00 Compressor Roay Compressor Overload Protector INT11L 6233 INT IL 6253 Throttling Method Capillary ture Range ture Range Condenser Form AluminumFin copperTube Aluminum Fin copper Tube 5 utdoor TM fan AxaHiow Defrosting Method Automatic Defrosting AutomaticDefrosing Moisture Protection IP24 PH Permissible Excessive Operating MP 4 Pressure for the Suction Side i Refrigerant ROA RefrigerantCharge 459 09 08 g m 20 20 Connection Outer Diameter Liquid Pipe mm 96 996 npe Outer Diameter Gas Pipe 9 52 9 52 m lt lt C 0 gt lt oio e er 0 gt 15 OIO OIO old 2 eui 5 sj ie ee 9 The above data is subject to change without notice Please refer to the nameplate of the unit Specifications Model TC GWHOSRAKSDNAMB O O Product Code Rated Voltage Power So Rated Frequency Phases Power Supply Mode Cooling Capacity Heating Capacity Cooling Power Heating Power Input Cooling Current Input Heating Current Input Rated Input Rated Current Air Flow Volume SHIHIMILISL Dehumidifying Volume Un 98 Hspp IdoorUmtModd _ GWHORRAXSDNMBI _ IdooUntProd
11. GREE Change for Life b Service Manual MODELS GWHO9RA K3DNA1A GWHOSRA K3DNA1B GWHO9RA K3DNA4B GWH12RB K3DNA1B GWH12RB K3DNA2B GWH12RB K3DNA4B Refrigerant R410A GREE ELECTRIC APPLIANCES INC OF ZHUHAI Table of Contents Table of Contents Summary and Features 1 1 Safety P FO CAUTIONS nns 2 2 Specifications H 3 2 2 Operation Characteristic 11 2 3 Capacity Variation Ratio According to Temperature 11 24 Operation Data a 12 2 5 Noise Criteria Curve Tables for Both 12 3 Construction VIEWS 13 3 1 Indoor Ul E 13 3 2 Outdoor nennen rrr serrer nnns 14 4 Refrigerant System Tz o yz pj T eee eres 15 5 Schematic Diagram M 16 16 5 2 Printed Circuit Board 19 6 Function and Control 22 6 1 Remote Control 22 6 2 Description of Each Control 26 7 Installation 31 7 1 Notices for Installation
12. bilized voltage power supply Troubleshooting Improper set of temperature Adjust set temperature If cooling heating load is mw Check the forecasted load of cooling heating proper heck fill the leak th The refrigerant has leakage or is eee A vacuumize it and supplement the re frigerant as required Leakage between the high pres sure and the low pressure in Replace the compressor Malfunction of side the compressor refrigerant flow Malfunction of four way valve Replace the four way valve Local block of capillary Replace the capillary Judge whether the system is blocked by Block f observing the condensation of evapora tor and the pressure value of the high pressure manometer and take measures to deal with the system Make sure that heat insulation for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex Clean the dust accumulated on the changer surface of the heat exchanger Air filter were blocked Clean the filter To set the fan speed to high or Fan speed was set too slow middle speed Air circulation is insufficient __ Capacitor Replace the Fan rotation speed becomes damage capacitor low Motor damage Replace the motor The installation position of the Good ventilation must be provided for the outdoor unit is not appropriat
13. 15 209 444 10 126 4 1372 2 20 64 4289 13 129 3 1299 2 1914 65 44 104 1198 2 12 27 1813 66 3998 105 1464 M 165 28 15 3861 100 1191 103 29 168 68 3729 107 109 9 1046 30 14 69 360 108 1090 8 9913 1543 70 3481 109 7109 _ 4 3 49 3304 no 101 6 8017 38 1418 72 3282 m 098 5 84601 34 1359 73 12 0956 4 8031 5 74 304 n3 09 8 7624 36 121 75 294 44 094 2 74 37 2 76 284 15 31 679 38 q52 77 272 16 086 0 67 39 1466 78 2608 17 0833 1 40 71062 79 257 ns 2 590 12 29 ng 3 569 42 988 245 120 0769 4 5466 43 942 82 23399 121 076 5 547 44 904 83 226 12 079 6 4842 45 875 24 13 7 464 46 837 85 2 12 062 8 4392 47 86 209 125 064 9 4446 48 775 87 196 120 0658 to 3987 49 7458 88 1934 1277 04 3801 713 89 185 128 063 12 36274 5 605 90 488 129 067 13 3457 82 68 1736 130 052 14 929 5 60 92 171 13933 057
14. A 2 Space WS 3 9 CS to the to the wall wall 150 above 150 above mum 55 S a Left eS SS ee Right Rear piping hole Rear piping hole Unit mm 7 3 2 Drill Piping Hole Indoor Outdoor Wall pipe Seal pad 1 Slant the piping hole 55 on the wall slightly downward to the outdoor side 2 Insert the piping hole sleeve into the hole to prevent the connection piping and wiring from being damaged when passing through the hole gi 9 T 3 3 Installation of Drain Hose 1 Connect the drain hose to the outlet pipe of the indoor unit Bind the joint with rubber belt 2 Put the drain hose into insulating tube indoor ede 3 Wrap the insulating tube with wide rubber belt to prevent the shift of insulating outlet pipeof go tube indoor unit Slant the drain hose downward slightly for smooth drainage of condensate EN rubber belt insulating tube rubber belt outlet pipe of indoor unit Note The insulating tube should be connected reliably with the sleeve outside the outlet connecte pipe The drain hose should be slanted downward slightly without distortion bulge or fluctuation Do not put the outlet in the water 7 3 4 Connecting Indoor and Outdoor Electric Wires 1 Open the front panel Wiring Cover 2 Remove the wiring cover connect and fix power connection cord to the terminal board as
15. control panel 1 55 Troubleshooting 3 High temperature and overload protection diagnosis AP 1 here in after refers to the control board of the outdoor unit Mainly detect Is outdoor ambienttemperature in normal range After the outdoor and indoor fans operating normally Is the heat dissipation environment inside and outside the unit is good Overheat and high temperature protection Normal protection please operate it after the outdoor ambient temperature is normalized Is outdoor ambient temperature higher than 53 N l 20 minutes after the complete unit is powered off Improve the heat Y b dissipation environment of the unit Is heat dissipation of the indoor unit and outdoor unit abnormal 1 Check if the fan terminal OFAN is connected correctly 2 Resistance between any two terminals is measure by an ohm gauge and should be less than 1K Does the outdoor fan work normally Ohm Replace the fan capacitor C1 Replace the control panel API Replace the outdoor fan End 56 Troubleshooting 4 Start up failure following AP1 for outdoor unit control board Mainly detect Whether the compressor wiring is connected correct Is time for compressor stopping enough Is compressor broken Power on the unit Is stop time of the compressor longer than
16. 2Tpreset COOL mode will act the compressor and outdoor fan will run and the indoor fan will run at the set speed If Tamb STpreset 2 C the compressor will stop the outdoor fan will delay 30 seconds to stop and the indoor fan will run at the set speed If Tpreset 2 C sTamb STpreset 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 C 30 Tamb Start cooling Tpreset 1 C Original operating status Tpreset 1 L 26min mim gt 6 cooling Compressor A Outdoor fan Indoor fan LL A VA 2 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 protection 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 In
17. DC Motor Small Handle Top Cover Sub Assy Motor Support Condenser Assy Rear Grill Capillary Sub assy Temp Sensor Sleeving Valve Support shelves Cut off Valve Big Handle Cut off Valve Assy Valve Support Right Side Plate Sub Assy 4 Way Valve Assy Clapboard Sub Assy Magnet Coil Magnetic Ring Electric Heater Compressor Compressor and Fittings Drainage Connecter Electrical Heater Chassis The data above are subject to change without notice Exploded Views and Parts List Part Code Description N GWH12MB K3DNA3B O Qty Product Code CB171W0212 The data above are subject to change without notice 45 46 Exploded Views and Parts List Description a GWHO09MA K3DNAS3B O CB171W0192 0261310506 0261310606 30148399 43130184 49010109 3900030804 42011113 71010003 22413433 01533034P 10333004 0280308201P 15013076 26233100 01253073 01703102 01163499 01473009 03063974 05212423 0171314201P 07133082 26233433 07133691 0171314201P 0130317801 03123897 01233385 4300040050 49010104 GWH12MB K3DNA3B O Qty CB171W0213 0261310508 0261310608 30148389 43130184 49010109 3900030804 42011113 71010003 22413433 01533034P 10333004 02803082P 15013076 26233100 01253073 0170310401 01163500 01473009 03063982 05212423 0171314201P 07133082 26233433 07133691 0171314201P 0130317801 03123898 01233385 4300040050 49010104 Product Code Electric Box Assy Electric Box Sub Assy Main Board
18. Manual 7 2 Installation Dimension Diagram Space to the ceiling ie 4 00 25 is 529 550 LK A 9005004060 55224 RS KEE 22202023202 60600050 KZ 5 292 LAPRELA 090 55 SIR Space to the wall Above Air outlet side Space to the floor e The dimensions of the space necessary for proper installation of the appliance include the minimum permissible distances to adjacent structures Space to the obstruction Air outlet side 50 cm Above 150 9 Space to the wall 50 cm Installation Manual 7 3 Install Indoor Unit 7 3 1 Installation of Mounting Plate 1 Mounting plate should be installed horizontally As the water tray s outlet for the indoor unit is two way type during installation the indoor unit should slightly slant to water tray s outlet for smooth drainage of condensate 2 Fix the mounting plate on the wall with screws 3 Be sure that the mounting plate has been fixed firmly enough to withstand about 60 kg Meanwhile the weight should beevenly shared by each screw Wall Wall Mark on the middle of it Gradienter NN Space
19. Outdoor fan Compressor condition C name mode rpm revolution Hz P MPa 1226 sone Sates 18 11 50 80 0411 14 out37 43 Tubo 90 Heating Br Model Indoor fan Outdoor fan Compressor condition C name l Pressure temp mode rpm revolution Hz 09K in 50 80 in 1 3 09K 830 20 7 6 2 999 0 pm ore out37 43 out2 5 Tubo 90 71 T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure of air pipe connecting indoor and outdoor units NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5 m 2 5 Noise Criteria Curve Tables for Both Models 12 Indoor side noise when blowing 45 lt s mn 9 Cooling 2 25 Low Middle High 20 30 40 50 60 70 80 Indoor fan motor rotating speed Compressor frequency Hz Construction Views 3 Construction Views 3 1 Indoor Unit GWHO09RA K3DNA1B I GWHO9RA KSDNAAB I 794 186 N GWHOJSRA K3DNATA I GWH12RB K3DNA1BII GWH12RB K3DNA2B l GWH12RB K3DNAAB I 845 180 LO N Unit mm 13 14 Construction Views
20. Reactor Magnetic Ring Temperature Sensor 7 Terminal Board Wire Clamp Front Grill 10 Front Panel 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Axial Flow Fan Chassis Sub assy Brushless DC Motor Small Handle Top Cover Sub Assy Motor Support Condenser Assy Rear Grill Capillary Sub assy Temp Sensor Sleeving Valve Support shelves Cut off Valve Big Handle Cut off Valve Assy Valve Support Right Side Plate Sub Assy 4 Way Valve Assy Clapboard Sub Assy Magnet Coil Magnetic Ring Electric Heater Compressor 00103869G 06123401 00103869G 06123401 Compressor and Fittings Drainage Connecter Electrical Heater Chassis The data above are subject to change without notice Troubleshooting 9 Troubleshooting 9 1 Malfunction Analysis Note When replacing the controller make sure insert the wire jumper into the new controller otherwire the unit will display C5 Measure insulation resistance The breaker trips at once when it is set to to ground to see if there is any leakage The circuit or the part of the air conditioner has malfunction They heat and break the insula ka tion and lead to short circuit or when it is set to creepage Measure the insula tion resistance or eliminate the malfunction one by one If the breaker itself has malfunction then replace the breaker Check power
21. capacitor Malfunction of compressor Replace the compressor Breakage of running capacitor of In the cooling compressor Replace the capacitor and heating mode the outdoor fan runs but the compressor does not run The voltage is too low or too high Manostat is recommended Wrong wire connection Connect the circuit diagram correctly Use the multimeter to check whether the The protector itself has malfunction contact of the compressor is on when it is not overheated If it is not on then replace the protector The refrigerant is not enough or is too Adjust the volume of the refrigerant much The capillary is blocked and the tem perature rises Replace the capillary The compres sor is too hot and leads to the action of the protector The compressor does not run Replace the compressor smoothly or is stuck The air discharge valve is damaged The protector itself has malfunction Replace the protector 49 Troubleshooting The torque of the swing motor is not First check whether the connection is wrong If no replace the parts The swing fan Wrong connection does not run The controller is damaged IC2003 is damaged the swing relay can not close etc Controller malfunction 1 2003 broken creepage of parallel capaci Change controller In cool heat mode the outdoor unit tor of relay loop relay is broken etc Wire loose or wrong
22. connection gt Correctly wire according to the drawing and compres sor will not run Improper setting of temperature Adjust setting temp Drainage pipe blocked or broken Change drainage pipe Water leakage Wrap of refrigerant pipe joint is not Re wrap and make it tight close enough Fan of indoor unit contacts other parts Adjust fan location Foreign object in indoor unit Take out the foreign object Adjust support washer of compressor and Compressor shakes too much Touch of pipeline of outdoor unit and shake Touch of inner plates tighten loosen screws Separate the touching pipeline 1 Tighten connect screw 2 Stick absorbing clay between plates Louver of outdoor unit touched outer case Adjust location of louver Abnormal sound inside compressor Change compressor 50 Troubleshooting 9 2 Malfunction Code Flashing LED of Indoor Outdoor Unit and Primary Judgement Blink for 3 times prevention temp sensor sensor temp sensor Blink for 4 times Name of Operation Status Yellow LED Red LED Green LED Display on IDU Compressure operates GG Defrosting Blink twice Freeze prevention protection Blink for 3 times H5 displayed 4 IPM protection Blink for 4 times odds Ter successively 6 times Overcurrent protection Blink for 5 times E5 NE Overload protection Blink for 6 times 4 Discharge protection Blink for 7 times 4 8 Ov
23. 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 Overload protection If temperature sensed by the overload sensor is over 115C 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 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 compressor will resume its operation 7 Faults of temperature sensors Function and Control Designation of sensors The sensor is detected to be open circuited or short circuited for successive 30 Indoor ambient temperature The sensor is detected to be open circuited or short circuited for successive 30 Indoor tube temperature The sensor is detected to be open circuited or short circuited for successive 30 Outdoor ambient temperature The sensor is detected to open circuited or short circuited for successive 30 seconds no detection is performed within 10 minutes after defrost begins After the compressor has operated for 3 minutes the sensor is detected to be Exhaust WP Sd open circuited or short circuited for successive
24. lead out wire of compressor 10 1 IIIN ITTAMA r 2 v M 52 I A en e lt XI V7 cl SW 552 AID E 4 LI 95 eO ava 8 Disassemble Capillary Sub assy CY INA JA E o o Unsolder weld point of capillary Sub assy valve and outlet pipe of condensator Then 2 remove the capillary Sub assy Do not block the capillary when unsoldering it Note be fore unsoldering discharge refrigerants completely Capillary Sub assy Sf 4 VII a cB 50 Q 71 Removal Procedure 9 Disassemble motor and motor support Remove the 4 tapping screws fixing the motor Pull out the lead out wire and remove the motor Remove the 2 tapping screws fixing the motor support Lift motor support to re move it 26 NIEDA J ED TRI AS e TPH Ma EoD 27 lt gt 2 2 10 Disassemble Clapboard Sub Assy Clapboard Sub Assy Loosen the screws of the Clapboard Sub Assy The Clapboard Sub Assy has a hook on the lower side Lift and pull the Clapboard Sub Assy to remove 72 Removal Procedure 11 Disassemble Compressor 1 Remove the 2 screws fixing the gas valve Unsolder the welding spot conn
25. 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 sTpreset 1 C indoor fan will operate at high speed b When Tpreset 1 C lt Tamb lt Tpreset 3 C indoor fan will operate at medium speed c When Tamb zTpreset 3 C 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 speed under cooling or auto cooling mode a When Tamb 2Tpreset 2 C indoor fan will operate at high speed b When Tpreset lt Tamb Tpreset 2 C indoor fan will operate at medium speed c When Tamb sTpreset 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 wil
26. 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 evaporator and bottom case adjust the pipeline and 1 then remove the evaporator a ILI Tk ti 7i LE NN evaporator 67 Removal Procedure Steps Procedure 9 Remove cross flow blade and motor ili Qc Lo 5 7 SMG S Saag t LOG 2 RR a ita EMG CES Ss lt tol y Remove screws on stepping motor and then remove the stepping motor Remove 4 screws connecting motor press plate and bottom case and then remove motor press plate Remove cross flow blade and motor Remove shaft rubber cushion block Remove screws connecting cross flow blade and motor shaft and then remove motor cross flow blade mtor Removal Procedure 10 2 Removal Procedure of Outdoor Unit N Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly Steps Procedure 1 Remove big handle 1 Before d
27. remain in the refrigerant line as it may lead to rupture and other hazards Make sure no refrigerant gas is leaking out when install ation is completed Should there be refrigerant leakage the density of refri gerant in the air shall in no way exceed its limited value or it may lead to explosion Keep your fingers and clothing away from any moving parts Clear the site after installation Make sure no foreign ob jects are left in the unit Always ensure effective grounding for the unit N Caution Never install the unit in a place where a combustible gas might leak or it may lead to fire or explosion Make a proper provision against noise when the unit is installed at a telecommunication center or hospital Provide an electric leak breaker when it is installed in a watery place Never wash the unit with water Handle unit transportation with care The unit should not be carried by only one person if it is more than 20kg Never touch the heat exchanger fins with bare hands Never touch the compressor or refrigerant piping without wearing glove Do not have the unit operate without air filter Should any emergency occur stop the unit and discon nect the power immediately Properly insulate any tubing running inside the room to prevent the water from damaging the wall Specifications 2 Specifications Power Power SupplyMode J A 29 34 Dhundinpoum m o o se
28. 1216302 Left Axile Bush 10512037 Rear Case assy 22202467 Rubber Plug Water Tray 76712012 Ring of Bearing 26152022 O Gasket sub assy of Bearing 76512051 Cross Flow Fan 10352017 Evaporator Support 24212091 Evaporator Assy 01002321 Wall Mounting Frame 01252021 Motor Press Plate 26112161 Fan Motor 150120874 Pipe Clamp 2611216401 Drainage hose 0523001401 Step Motor 1521212901 Guide Louver 1051220301 Axile Bush 10542036 Electric Box 2011216701 Terminal Board 42011233 Electric Box Cover2 2012207512 Display Board 30565120 Capacitor CBB61 33010002 Shield cover of Electric Box sub assy 0159207301 Electric Box Cover 20122103 Electric Box Assy 20402018 D o G ct 5 av mg n Q D c o 3 o 9O0O 0 5 3 o zio 55 5 5 5 5151212 8 2 01515 8 7 wW 2 218151 10 5 12 142 210 lt lt lo 310 o Q 5 o 15 9 a lt 1 5 15 3 10 9 5 c t5 d lt ollo lt o o lt 2 5 o N 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 gt D Q gt A 0 lt D 5 D o c D gt 5 D lt gt c e D GWHOJRA K3DNAAB I GWH12RB K3DNAAB I Exploded Vi
29. 3 minutes NJ Restart it up after 3 minutes Does startup fail Are the wires for the compressor connected N Connect the wires as per the correctly Is connection sequence right connection diagram Replace the control panel 1 If the fault is eliminated N Y Replace the compressor Va 57 Troubleshooting 5 Out of step diagnosis for the compressor AP1 hereunafter refers ti the control board of the outdoor unit Main detect Whether the system pressure is too high Whether the input voltage is too low Out of step occurs once the unit is powered on Is stop time of the compressor longer than 3 minutes Are the wires for the compressor connected correctly 15 connection sequence right Is the connection made in clockwise direction Connect the Y wires correctly Y Replace the control panel AP1 Y If the fault is eliminated Replace the compressor gt Out of step occurs in operation Is the outdoor fan working normally Check if the fan terminal Replace the fan Y OFAN is connected correctly capacitor C1 the outdoor fan Is the outdoor unit blocked by foreign objects Y Remove foreign objects N y Replace the control panel AP1 If the fault is eliminate
30. 30 seconds After the compressor has operated for 3 minutes the sensor is detected to be Overload an open circuited or short 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 the setting temperature will be up or down 1 C Regulating Range 16 30 C the button is useless under the AUTO mode 4 Time Switch You should start and stop the machine according to the setting time by remote control 5 SLEEP State Control a When the air conditioner is under the mode of COOL DRY 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 again after 2 hours so it raise 2C 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 and it will reduce 1 again after 2 hours so it reduce 2 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
31. C10 C4 R2 Power of switch High frequency transformer Communication port Main chip BOTTOM VIEW 19 20 2 Outndoor unit GWH09RA K3DNA1A 0 CB144W0021 e TOP VIEW compressor inductance inductance pin2 fan neilsbed four way valve electric heater Schematic Diagram chassis e ectric heater temp sensor compressor overload protection e BOTTOM VIEW IN SO C ret A e O lt 0 wm aliti O KR 2 Dp bal 1 Or x gt Yy 10 core communication cable electric expansion valve Schematic Diagram GWH09MA K3DNA3B O CB171W0191 GWH12MB K3DNA3B 0 CB171W0212 GWH09MA K3DNA3B O CB171W0192 GWH12MB K3DNA3B 0 CB171W0213 e TOP VIEW compressor inductance inductance pin2 fan four way valve electric heater chassis e ectric heater O aA d EN QO Nios communication cable CIE gO RE at temp sensor overload electric expansion valve protection low pressure valve e BOTTOM VIEW 6 Function and Control 6 1 Remote Control Operations NETTES DA B C HOUR ha ONOFF 1 abe P a r 4 Ce IFEEL MODE icon Function and Control ON OFF Press it to start or stop operation Press it to decrease temperaturesetting Pres
32. OTOR OVERLOARD YEGN WI PROTECTOR PE Schematic Diagram GWH09MA K3DNA3B O CB171W0192 GWH12MB K3DNA3B O CB171W0213 TUBE DISCHARGE TEMP PR REACTOR SENSOR SENSOR SENSOR NV lt n W9 WIOBU VEGN LX1 2 apy NDS EN AV ACA2 M NIBU AC L5 T mm Wl ACL AP2 ac W6 BU f AC N Wo e W2 BK AC N2 L4 ELECTRICAL S PE QD PE W20 YEGN W19 YEGN N WARNING COMU BU W24 BU AC N3 OVC COMP OFAN OVERLOARD Please don t touch any terminal when PROTECTOR PE the voltage of terminal DC and DC at AP2 is higher than 30V to prevent the risk of electrical shock COM P These circuit diagrams are subject to change without notice please refer to the one supplied with the unit Schematic Diagram 5 2 Printed Circuit Board 1 Indoor unit TOP VIEW Port of neutral wire Solid state relay Auto button Feedback of indoor fan Live wire of health function Port of indoor fan Port of motor for vertical swing Port of motor for horizontal swing Protective iue lt A ae amas Port of indoor ambient temp sensor 2 Y in Port of indoor pipe p CA LI temp sensor bcs iC Joc
33. Y and AUTO Modes 17 Overload protection T tube Measured temperature of outdoor heat exchanger under cooling mode and measured temperature of indoor heat exchanger under heating mode 1 Cooling overload a If T tube lt 52 C the unit will return to its original operation state b If T tube255 C frequency rise is not allowed C If T 54758 the compressor will run at reduced frequency d If T 54762 the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If T tupe92 C the unit will return to its original operation state b If T tube255 C frequency rise is not allowed C If T tube258 C the compressor will run at reduced frequency d If T 4456762 the compressor will stop and the indoor fan will blow residue heat and then stop 2 Exhaust temperature protection of compressor If exhaust temperature 298 C frequency is not allowed to rise If exhaust temperature 7103 C the compressor will run at reduced frequency If exhaust temperature 7110 C the compressor will stop If exhaust temperature 90 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
34. acitor should be replaced Is the resistance around zero N Disconnect the terminals for the reactor and measure the resistance N between the two terminals of the a reactor bv an ohmmeter Whether there is any damage or short circuit Y gt Replace the reacto Restart the unit If the fault is eliminated y Replace the control panel AP1 60 Troubleshooting 8 Communication malfunction following AP1 for outdoor unit control board Mainly detect Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not If is there any damage Is there any damage for the indoor unit mainboard communication circuit Is communication circuit damaged The flow chart fir malfunction detect Did the equipment operate normally before the failure M Y occurs Check the wiring of the indoor and outdoor units with reference to the wiring diagram v Check wiring inside of the indoor and outdoor Y s the connection right units N N Y Correctly connect the corresponding wires for the indoor and outdoor units with reference to the wiring diagram The AP1 voltage detection circuit Y is at fault Check the communication circuit of the outdoor unit Are wires broken f the fault is eliminated If the faul
35. ating Current Input 4 791 4 79 Rated Input 1500 1500 Rated Current Air Flow Volume SH H M L SL m h 600 500 400 300 600 500 400 300 EER 3 241 3 24 COP 3 611 3 61 EER HSPF 16 24 GWH12RB K3DNATB I CB144N01000 Cross flow 92 645 1290 1070 900 690 1280 1050 980 920 16 24 GWH12RB K3DNA2B I CB301N00900 Cross flow 092X645 1290 1070 900 690 1280 1050 980 920 Fan Type r min r min Aluminum Fin copper Tube Aluminum Fin copper Tube gt 2 5 L gt 5 5 9 88 5 2212 9 5 5 9 9 9 0 01 3 5 3 1012101819 1 aloa O 0 gt 0 015 cio m 2i 2 5 lt lt s LISIT DIV 3 3 N m N on T mui iN Indoor Unit fin Gap 636X25 4X267 MP24AA 636X25 4X267 MP24AA m 3 wing Motor Model wing Motor Power Output 2 15 42 39 36 33 52 49 46 43 845X274X189 923X264X356 926 267 371 3 15 42 39 36 33 52 49 36 33 845X274X189 923X264X356 926 267 371 ound Pressure Level SH H M L SL d ound Power Level SH H M L SL d UJ UJ gt mm mm NO NO o zie e g o o z o o m m 61213 3 3 f oio o 51515 O JO s LS m oio 51 e iEz 3 3 3 T 5 9 19
36. cally when temperature is low Overcurrent protection Overcurrent protection is the same with that in COOL mode 3 Protection Cold air prevention The unit is started under heating mode the compressor is ON D In the case of Tindoor amb lt 24 C if Ttube lt 40 C and the indoor fan is at stop state the indoor fan will begin to run at low speed with a time lag of 2 minutes Within 2 minutes if T tube gt 40 C the indoor fan also will run at low speed and after 1 minute operation at low speed the indoor fan will be converted to operation at preset speed Within 1 minute low speed operation or 2 minute non operation if T tube gt 42 C the fan will run at present speed 2 In the case of T indoor amb 224 C if T tube lt 42 C the indoor fan will run at low speed and after one minute the indoor fan will be converted to preset speed Within one minute low speed operation if T tube gt 42 C the indoor fan will be converted to preset speed 27 28 Function and Control Note Tindooramb indicated in 1 and 2 refers to under initially heating mode the indoor ambient temperature before the command to start the compressor is performed according to the program or after the unit is withdrawn from defrost the indoor ambient temperature before the defrost symbol is cleared Total current and frequency down protection If the total current ltota lt W frequency rise will be allowed if tota X frequency rise wi
37. d Replace the compressor e Co 58 Troubleshooting 6 Overload and air exhaust malfuntion diagnosis following AP1 for outdoor unit unit control board Mainly detect Wether the PMV is connected well or not Is PMV damaged Is refrigerant leaked 20 minutes after the complete unit is powered o ff Is the terminal FA for the PMV connected correctly Connect the wires correctly 4 lt Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the PMV If the fault is eliminated Y gt N Replace the control panel 1 If the fault is eliminated bd A N Y Coolant leakage refilling the coolant 59 Troubleshooting 7 Power factor correct or PFC fault a fault of outdoor unit AP1 here in after refers to the control board of the outdoor unit Checkwiring of the reactor L of the outdoorunit andthe PFC capacitor Whether there is an damage or short circuit Replace it as per he Y wiring diagram and reconnect the wires If the fault is eliminated Y Remove the PFC capacitor and measure resistance 4 N between the two terminals The capacitor is Y short circuited and Restart the unit If the fault is eliminated p NN the cap
38. d heating test P2 Maximum cooling and heating test P3 Medium cooling and heating test 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 10 minutes under low air damper The swing will operate as the former status within 10 minutes and other load is stopped then stop the entire machine When you stop the drying function press the switch button will stop the machine directly When you start the drying function operating the drying button will stop the inner fans and close the guide 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 content automatically Installation Manual 7 Installation Manual 7 1 Notices for Installation 1 The unit installation work must be done by qualified personnel according to the local rules and this manual 2 Before installating please contact with local authorized maintenance center if unit is not installed by the authorized maintenance center the malfunction may not solved due to di
39. door fan Preset speed RON Stop 2 Dehumidifying Mode 1 Working conditions and process of dehumidifying If T amp gt T prese 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 T preset 2 C lt T amp ST preset the compressor remains at its original operation state If T amp T preset 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 Function and Control 3 HEAT mode D The condition and process of heating If TambSTpreset 2 C 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 Tpreset 2 C Tamb Tpreset 5 C unit will keep running in the original mode If Tamb2Tpreset 5 C 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 In this mode the temperature setting range is 16 C 30 C gt The air conditioner will adjust the running 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 p
40. e installation position of the outdoor unit The outdoor temperature is too high Properly install the rainproof plate or the sunproof pae If the maximum cool air still can not meet the requirement it is sug gested to replace the air conditioner pipes of the indoor unit and the out door unit is bad w L lt LLI E O A ri j h Peopl eum The air tightness 15 not enough People Keep certain air tightness indoors try not to use electricalappliance with large quantity of heat come in and out too frequently There are heating devices indoors Troubleshooting The indoor fan motor is burned or breaks or has the heat protector malfunction Replace the fan motor or the defective part The built in heat protector of the The fan does not motor breaks frequently because the run when it is set motor is abnormal to supply air Replace the fan motor Make the correction connection based on Wrong connection the circuit drawing The fan capacitor has open circuit or Replace the fan capacitor of the same type is damaged and same specification In the cooling and The outdoor fan motor is damaged heating mode the compressor runs but the out door fan does not Replace the fan motor Make the correct connection based on the circuit drawing Wrong connection run The outdoor fan capacitor is damaged Replace the fan
41. eR Application Area 12 18 Heating Current Input gt gt gt gt 985X596 1260 1050 900 690 1320 1200 1000 910 Aluminum Fin copper Tube Aluminum Fin copper Tube mm m W A Fan Type N mimimnimimiaioi 5 lt lt ala oio W 5 3 9 S S 5 5 5 sis U oirioio o 9 5155 gt 5 sis 38 o 3 lele o e 3 oo 21 9 D s rio O hu on MP2AAA 18 mm 794X264X186 mm 870X255X350 mm 873X258X258 1515 3 2 2 5 5 5 5 5 5 la 9 g sjalalal islol islsi8 jols s 2 2 8S 8S28 8 21515152 515 21229 1610 ls 10151151 2 2 2 8 lt r X10 X Dlo o o 9 3 4 5 0 1 lt p D W ms S rm O me 2x ili g T LI V ES MEN NO Gross Weight ES Specifications Outdoor Unit Model GWHO9RA GDNATA O GWHO9MA K3DNA3B O Outdoor Unit Product Code CB144W0021 CB171WO191 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR PR Compressor Model 0962 190 6 QXA BO96ZC190 GREE
42. ecting gas valve and air return pipe and remove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld ing spot connecting liquid valve and remove the liquid valve 2 Remove the 3 footing screws of the compressor and remove the compressor Procedure Liquid valve Gas valve Compressor 73 JF00301461 GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com For continuous improvement in the products Gree reserves the right to modidy the product specification and appearance in this manual without notice and without incurring any obligations
43. ends of E C2 until the voltage is lower than 20V Replace the capacitor If the unit can Y C2 Then energize work and start the unit normally Take corrective actions according to Technical If the unit can work normally If capacito r C2 is failed 5 Other conditions resulting in that the system pressure becomes too high Refer to the Electrical Wiring If there is any If the unit can Diagram and check if the connection abnormality Y between and desorbed above 2 the unit N Replace the control panel 1 N Connect the control panel AP1 and compressor COMP correctly according to the Electrical Wiring Diagram Then energize and start the unit COMP is loose and if the connection order is correct If the connection between AP1 and COMP is unsecure or the connection order is wrong If the unit can work normally Use ohmmeter to measure the resistance between the three terminals on compressor COMP and compare the measurements with the compressor resistance on Service Manual Replace the compressor COMP If the resistance is normal Use ohmmeter to measure the resistance between the two terminals of compressor COMP and copper tube Resistance higher than 500MQ Replace the
44. ens if it persists for a long time and can not be self canceled cut off the power and turn off the unit and then re energize the unit again after about 10 min After repeating the procedure for sever times if the malfunction still exists replace the module Troubleshooting 9 3 How to Check Simply the Main Part 1 Capacitor charge fault Fault with outdoor unit AP1 below refers to the outdoor control panel Main Check Pionts Use AC voltmeter to check if the voltage between terminal L and N on the wiring board id within 210VAC 240VAC If the reactor L is correctly connected If the connection is loose or fallen If the reactor L is damaged Fault diagnosis process Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage Y testing circuit on Replace the control control panel AP1 panel AP1 Voltage higher than 200V Measure the AC voltage between terminalL and N on wiring board XT power supply Shut down the power and repair the power gt supply to restore the range 210VAC 250VAC Voltage within 210VAC 250VAC power on and restat the unit f the fault is eliminated Y Y Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of capacitor until the voltage is lower than 20V Check the co
45. er drainage pipe 3 Hang the mounting slots of the indoor unit on the upper hooks of the Fixing hook a Mounting J plate mounting plate and check if it is firm enough As shown in Fig 5 4 The installation site should be 250cm or more above the floor 7 3 6 Installation of Connection Pipe 19 5 1 Align the center of the pipe flare with the related valve 2 Screw in the flare nut by hand and then tighten the nut with spanner and torque wrench by referring to the following Tightening torque N m 06 35 15 20 NOTE Connect the connection pipe to indoor unit at first and then to outdoor unit Handle piping bending with care Do not damage the connection pipe Ensure that the joint nutis tightened firmly otherwise it may cause leakage 7 4 Install Outdoor Unit 7 4 1 Electric Wiring 1 Remove the handle on the right side plate of outdoor unit Handle 2 Take off wire cord anchorage Connect and fix power connection cord OW ellow jal black Bg n to the terminal board Wiring should fit that of indoor unit 3 Fix the power connection cord clamps and then connect the connection Indoor unit nut Piping Spanner b f XN wrench corresponding connector 4 Confirm if the wire has been fixed properly 5 Reinstall the handle irm ia t _ elncorrect wiring may cause malfunction of s
46. erload protection Blink for 8 times 3 9 Capacity power protection Blink for 9 times L9 Read write malfunction of EEPROM Blink for 11 times Low voltage protection Blink for 12 times L 12 High voltage protection Blink for 13 times 48 PFC overcurrent protection Blink for 14 times C L5 Limit frequency current Blink once 16 Limit frequency discharge Blink twice MEN Blink for 6 times D Blink for 5 times 7 Blink for 7 times Temperature for operation of the Blink for 8 times unit is reached Limit frequency power Protection of fan Malfunction of communication Malfunction of indoor ambient temp sensor Malfunction of indoor pipe temp sensor Blink for 13 times Blink for 14 times Continuously blink O Models of IDU and ODU don t not Bliink for 16 fimes match 1 2 2 2 2 2 2 2 2 12 13 14 15 16 17 9 0 1 2 3 4 5 6 T 8 2 TH NO m TI I U U I 79 I Tl Troubleshooting Malfunction Display malfunction occurs corresponding code will display and the unit will resume normal until protection or malfunction disappears Yellow indicator blinks for once Compressor stars normal Yellow indicator blinks for twice Defrosting normal display of indoor unit Anti freezing protection normal Yellow indicator blinks for 3 times display of indoor unit Yellow indicator blinks for 4 times IPM protection Yell
47. eter Liquid Pipe l Pipe Outer Diameter Gas Pipe a 09 52 Distance Height Max Distance Length The above data is subject to change without notice Please refer to the nameplate of the unit Specifications Model GWH12RB K3DNA4B Product Code 683030058 Rated Voltage Power ny Rated Frequency M Phases Power Supply Mode KA 000 Cooling Capacity Ww 380 Heating Capacity 39 Cooling Power Input 2 Cooling Current Input Heating Current Input Rated w 0 Rated Current A 9 Air Flow Volume SH H M L SL mih e600 00400300 Dehumidifying Volume im EER GWHI2RBXSDNAAB Indoor Unit Product Code CB303N00500 FaTpe O 5 O FanMotorRLA 904 FenMorCapador 1 Heater Power Input EvpoatrFom Anm copper Tabe Indoor Unit Swing Motor Model _ Gross Weight Specifications Outdoor _ 9WHZZMBKSDNASBO O Outdoor Unit Product Code CB171W0213 Compressor Manufacturer ZHUHAILANDA COMPRESSOR CO LTD CompessorMode QX amp BOWZCIONGREE _ Compresor ae Compressor Type Compressor Overload Protector INT L 62333 Two ngMehod Condenser Form AumiumFi copperTube Fame O
48. ews and Parts List AV 525060605 550505094 41 42 Exploded Views and Parts List Part Code GWHO9RA K3DNA4B I Q O Filter Sub Assy Front Case Sub assy 7 Helicoid Tongue Left Axile Bush Rear Case assy Rubber Plug Water Tray Ring of Bearing 10 11 12 13 4 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 JO 36 37 38 O Gasket of Cross Fan Bearing O Gasket sub assy of Bearing Cross Flow Fan Evaporator Support Evaporator Assy Wall Mounting Frame Motor Press Plate Fan Motor Pipe Clamp Drainage Hose Step Motor Guide Louver Axile Bush Electric Box Terminal Board Electric Box Cover2 Shield Cover of Electric Box Sub assy Electric Box Cover Electric Box Assy 1 1 Z 57212199 gt P 5 S i 515 18 9 5 2 ls 8 UJ cic lt o 4 5 9 gt Tg Q 21 a 2 5 Blo gt o 3153 N D ct gt an 2 2 9 B 0 D 5 o 4 gt D Q 9 e 9 5 lt D 5 D o c D gt gt 5 gt D lt e gt c e 5 D Exploded Views and Parts List 8 2 Outdoor Unit 18 O WHIT JIAN 8 7 7 xx 77070 KAKA HEEL 4 2
49. h you have turned off the unit After energization X FAN OFF is defaulted X FAN is not available in AUTO FAN or HEAT mode t Combination of and buttons About lock Press and buttons simultaneously to lock or unlock the keypad If the remote controller is locked mm is displaved In this case pressing any button gg blinks three times EE Combination of MODE and buttons About switch between Fahrenheit and centigrade At unit OFF press MODE and buttons simultaneously to switch between an d F 2 Combination TEMP CLOCK buttons About Energy saving Function Press TEMP and CLOCK simultaneously in COOL mode to start energy saving function Nixie tube on the remote controller displays SE Repeat the operation to quit the function Combination of TEMP CLOCK buttons About 8 C Heating Function 24 Function and Control 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 8 C 46 if Fahrenheit is adopted Repeat the operation to quit the function About Back lighting Function The unit lights for 4s when energizing for the first time and 3s for later press Replacement of Batteries 1 Remove the battery cover plate from the rear of the remote controller As shown in the figure 2 Take out the old batteries 3 In
50. hassis and motor support Then remove front panel 4 Remove axial flow fan blade Remove nut of fan blade and then a fast remove axial flow fan blade cc f ed LI Y D ri VEM 5 Remove right side plate Remove 7 connection screws among right side plate chassis valve support LATS 7 AL 00427 8 ig NI T e and electric box i 2 lt A K War 9 AW 79 Ci ARS l 4 Bp y T 4 3 fs CERE 7 9 2 7 X T EN IE 7 SS E r A la 557 45 lt gt WI we Q v x 2 ES ju iF B RAT lI 1 0 7 4 KI N EN f X Removal Procedure Stem 6 Remove electric box assy Remove the 2 screws fixing the cover of electric box Lift to remove the cover Loosen the wire and disconnect the terminal Lift to remove the electric box assy 05 A ve 7 Disassemble 4 way Valve Assy Unscrew the fastening nut of the 4 way Valve Assy coil and remove the coil Wrap the 4 way Valve Assy with wet cotton and unsolder the 4 weld spots connecting the 4 way Valve Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out the
51. isassembly 2 Remove 1 connection screw fixing big handleand then removethe big handle 2 Remove top cover plate Top panel Remove 3 connection screws among top cover plate front panel and right sideplate Then remove top cover plate 69 Removal Procedure Stes 3 Remove front grill and front panel 1 Remove 2 connection screws between front grill and front panel Then remove front panel 2 Remove 5 connection screws among front panel c
52. l 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 functi on 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 29 30 Function and Control swinging states Location L Location A Location B Location C Location D Location L to Location D stop at any location between L D the included angle between L D is the same The air deflector will be closed at 0 Location 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 0 0 Cooling angle O 0 L1 L A1 A B1 B C1 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 C
53. ll not be allowed if tota Y the compressor will run at reduced frequency and if tota gt Z 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 30C b AUTO Mode a When Tamb 226 C the unit will operate under cooling mode while the implied setting temperature is 25 C b When lt 227 the heat pump unit will operate under heating mode while the implied setting temperature is 20 C the cooling only unit will operate under fan mode while the displaying setting temperature is 25 C c When 23 C XTamb x25 C the unit will operate as previous mode If it is the first time energized the unit will operate under fan mode d When the unit is operating under auto mode the compressor frequency is the same as cooling heating mode when the unit is under cooling heating operation 2 Protection a 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 DR
54. ll show the set time 24 DIGITAL display This area will show the set temperature In SAVE mode SE will be displayed AIR icon His displayed when pressing the AIR button Press this button again to clear the display ran ail LL Uc KILIN HOUR ONOFF Ne c UO Oo HEALTH icon is displaved when pressing the HEALTH button Press this button again to clear the displav X FAN icon d is displayed when pressing the X FAN button Press this button again to clear the display TURBO icon G is displaved when pressing the TURBO button Press this button again to clear the displav E FAN SPEED display Press FAN button to select the desired fan speed setting AUTOLow Med High Your selection will be displayed in the LCD windows except the AUTO fan speed FEEL icon is displayed when pressing the FEEL button Press this button again to clear the display 8 C Heating icon is displayed when Pressing TEMP and CLOCK simultaneously in Heat mode Remote Controller Description ON OFF Press this button to turn on the unit Press this button again to turn off the unit E U Press this button to decrease set temperature Hold it down for above 2 seconds to rapidly decrease set temperature In AUTO mode set temperature is not adjustable Press this button to increase set temperature Hold it down for above 2 seconds to rapidl
55. lly that the waste water formed in the outdoor unit can bedrained out The hole inner dia 16mm diameter 25 must be plugged 7 5 Check after Installation and Test Operation 7 5 1 Check after Installation Possible malfunction The unit may drop shake or emit noise nee insufficient cooling heating Is water drainage satisfactory It may cause condensation and dripping Is the voltage in accordance with the rated It may cause electric malfunction voltage marked on the nameplate or damage the product Is the electric wiring and piping It may cause electric malfunction connection installed correctly and securely or damage the part Has the unit been connected to a secure It may cause electrical leakage earth connection It may cause electric malfunction a Is the power cord specified or damage the part Are the inlet and outlet openings blocked It may cause insufficient cooling heating capacity Is the length of connection pipes The refrigerant capacity is not accurate and refrigerant capacity been recorded 36 Installation Manual 7 5 1 Check after Installation 1 Before Operation Test 1 Do not switch on power before installation is finished completely 2 Electric wiring must be connected correctly and securely 3 Cut off valves of the connection pipes should be opened 4 All the impurities such as scraps and thrums must be cleared from the unit 2 Operation Test Method 1 Switch on powe
56. me to start scavenging function LCD displays Press the button for the second time to start healthy and scavenging functions simultan eously LCD displays 21 amp Press this button for the third time to quit healthy and scavenging functions simultaneously Press the button for the fourth time to start healthy function LCD display Press this button again to repeat the operation above ERG SLEEP 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 U TEMP Press this button could select displaying the indoor setting temperature or indoor ambient temperature When the indoor unit firstly power on it will display the setting temperature if the temperature s displaying status is changed from other status to displays the ambient temperature 5s later or within 5s it receives other remote control signal that will return to display the setting temperature if the users haven t set up the temperature displaying status that will display the setting temperature TIMERON 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 disappear sand ON blinks 00 00 is displayed for ON time setting Within 5 seconds press or button to adjust the ti
57. me value Every press of either button changes the time setting by 1 minute Hold down either button to rapidly change the time setting by 1 minute and then 10 minutes Within 5 seconds after setting press TIMER ON button to confirm MAcLock Press CLOCK button blinking Within 5 seconds pressing or button adjusts the present time Hold down either button for above 2 seconds to increase or decrease 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 then 1 will be constantly displayed TIMER OFF 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 I TURBO 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 H LIGHT Press LIGHT button 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 Q is displayed If the light is turned off disappears I3 X FAN Pressing X FAN button in COOL or DRY mode the icon is displayed and the indoor fan will continue operation for 10 minutes in order to dry the indoor unit even thoug
58. nnection of reactor L in the Electrical Wiring Diagram lt Connect the reactor L gt to Electrical Wiring Diagram correctly Re energize and turn on the unit If the wiring of Reactor Lic nona f the fault is eliminated Y Replace the control panel AP1 N End 54 Troubleshooting 2 IPM Protection Out of step Fault Compressor Phase Over current AP1 below refers to the outdoor control panel Mainly detect f the connection between control panel AP1 and compressor COMP is secure If loose If the connection is in correct order if the voltage input of the machine is within normal range Use AC voltmeter to measure the voltage between terminal L and on the wiring board XT f the compressor coil resistance is mormal If the insulation of compressor coil against the coppertube is in good condition f the working loads of the machine are too high If the radiation is good f the charge volume of refrigerant is correct Fault diagnosis process Energize and switch on Check the supply voltage and restore it to 210VAC 250VAC Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT If the voltage between terminal L and N on wirin board XT is within 210VAC 250VAC IPM protection occurs after the machine has r
59. ntroller YAA1FB Summary and Features 1 Safety Precautions Installing starting up and servicing air conditioner can be hazardous due to system pressure electrical components and equipment location etc Only trained qualified installers and service personnel are allowed to install start up and service this equipment Untrained personnel can perform basic maintenance fun ctions such as cleaning coils All other operations should be performed by trained service personnel When handling the equipment observe precautions in the manual and on tags stickers and labels attached to the equipment Follow all safety codes Wear safety glasses andwork gloves Keep quenching cloth and fire extinguisher nearby when brazing Read the instructions thoroughly and follow all warnings or cautions in literature and attached to the unit Consult local building codes and current editions of national as well as local electrical codes Recognize the following safety information N Warning Incorrect handling could result in personal injury or death Caution Incorrect handling may result in minor injury or damage to product or property N Warning All electric work must be performed by a licensed technician according to local regulations and the instructions given in this manual Befo
60. ooling 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 to 30 C and indoor ambient temperature The heating and air supply temperature will display 25 C under auto mode the temperature will display 20 C under the 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 protection 4 Exhausting protecti on Overcurrent protection E6 Communication failure F1 Indoor ambient sensor start and short circuit continuously measured failure in 30S F2 Indoor evaporator sensor start and short circuit continuously measured failure in 30S 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 an
61. ow indicator blinks for 6 times Overload protection Yellow indicator blinks for 5 times Overcurrent protection Exhaust protection Yellow indicator blinks for 7 times Yellow indicator blinks for 8 times Overlod protection of compresoor Indicator display of outdoor unit Badindicaterblnkeforance Cooling dehumidify or heating current dropped frequency current Red indicator blinks for twice Exhaust temp 2 dropped frequency temp Red indicator blinksfor 3 times Tube temp dropped frequency temp Red indicator blinks for 4 times T tube in dropped frequency temp Bad indicator bikke Toe B times Outdoor condenser temp sensor mal Red indicator for 6 times Outdoor ambient temp sensor mal Red indicator blinks for 7 times Outdoor exhaust temp sensor mal Red indicator blinks for 8 times Starting at temp does not reach _ Green indicator does not blink Communication is abnormal 52 Troubleshooting Analysis or processing of some of the malfunction display 1 Compressor discharge protection Possible reasons shortage of refrigerant blockage of air filter poor ventilation or air flow short pass for condenser the system has noncondensing gas such as air water etc blockage of capillary assy including filter leakage inside four way valve causes incorrect operation malfunction of compressor malfunction of protection relay malfunction of discharge sensor outdoor temperature too high Proce
62. owered off after the compressor stops Stop heating 4 C Original operating status 2 amb 26min 23min gt 6min NE CN Ruf Start heating Stop 2 The condition and process of defrosting When frost is detected in the condenser the system will enter into defrosting state When defrosting starts the compressor and indoor fan will stop and the outdoor fan and four way valve will delay 30 seconds to stop The compressor will start after 15 seconds and then defrosting will be started When the compressor has run for 7 minutes or defrosting is finished the compressor will stop After 30 seconds the four way valve opens and after another 60 seconds the compressor and outdoor fan resume running The indoor fan will delay 3 minutes to run at the latest and temperature on the display panel shows H1 The period of defrosting 305 BIS Fa Four wav valve is min 2 Compressor 2308 Outdoor Unit Indoor Unit amin Set fan speed SUD Protection function 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 automati
63. pare part eAfter the wire has been fixed ensure there is frees pace between the connection and fixing places on the lead wire Schematic diagram being reference only please refer to real product for authentic information 35 Installation Manual 7 4 2 Air Purging and Leakage Test 1 Connect charging hose of manifold valve to charge end of low pressure Liquid pipe valve bothhigh low pressure valves must be tightly shut Gas pipe 2 Connect joint of charging hose to vacuum pump 3 Fully open the handle of Lo manifold valve 4 Open the vacuum pump for vacuumization At the beginning slightly loosen joint nut of low pressure valve to check if there is air coming inside If noise of vacuum pump has been changed the reading of multimeter 1 0 Then tighten the nut 5 Keep vacuuming for more than 15 and make sure the reading of multi meteris 1 0X10 pa 76cmHg Fig 6 6 Fully open high low pressure valves 7 Remove charging hose from charging end of low pressure valve 8 Tighten lid of low pressure valve As shown in Fig 6 7 4 3 Outdoor Condensate Drainage only for heat pump unit rain water Bottom f During heating operation the condensate and defrosting water should be drained out reliably through the drain hose Install the outdoor drain connector in a 25 hole on the base plate and attach the drain hose to the connector so Drain connecter Hose available commercia
64. r and press ON OFF button on the remote controller to start operation 2 Press MODE button to select the COOL HEAT Not available for cooling only unit FAN to check whether the operation is normal or not 7 6 Installation and Maintenance of Healthy Filter 7 6 1 Installation of Healthy Filter 1 Lift up the front panel from its two ends as shown by the arrow direction and then remove the air filter as shown in Fig a 2 Attach the healthy filter onto the air filter as shown in Fig b 3 Install the air filter properly along the arrow direction in Fig c and then close the panel 8 Healthy filter 7 6 2 Cleaning and Maintenance Remove the healthy filter and reinstall it after cleaning according to the installation instruction Do not use brush or hard objects to clean the filter After cleaning be sure to dry it in the shade 7 6 3 Service Life The general service life for the healthy filter is about one year under normal condition As for silver ion filter it is ineffective when its surface becomes black green This supplementary instruction is provided for reference to the unit with healthy filter If the graphics provided herein are different from the actual product please refer to the actual product The quantity of healthy filters is based on the actual delivery 37 Exploded Views and Parts List 8 Exploded Views and Parts Li
65. r cord with excessive force 3 The unit should be reliably earthed and connected to an exclusive earth device by the professionals 4 The air switch must have the functions of magnetic tripping and heat tripping to prevent short circuit and overload 5 The minimum distance between the unit and combustive surface is 1 5m 6 The appliance shall be installed in accordance with national wiring regulations 7 An all pole disconnection switch with a contact separation of at least 3mm in all poles should be connected in fixed wiring Note e Make sure the live wire neutral wire and earth wire in the family power socket are properly connected e There should be reliable circuit in the diagram Inadequate or incorrect electrical connections may cause electric shock or fire 7 1 5 Earthing Requirements 1 Air conditioner is type electric appliance Please ensure that the unit is reliably earthed 2 The yellow green wire in air conditioner is the earthing wire which can not be used for other purposes Improper earthing may cause electric shock 3 The earth resistance should accord to the national criterion 4 The power must have reliable earthing terminal Please do not connect the earthing wire with the following D Water pipe 2 Gas pipe 3 Contamination pipe 4 Other place that professional personnel consider is unreliable 5 The model and rated values of fuses should accord with the silk print on fuse cover or related PCB 32 Installation
66. re installing modifying or servicing system main electrical disconnect switch must be in the OFF position There may be more than 1 disconnect switch Lock out and tag switch with a suitable warning label e Never supply power to the unit unless all wiring and tub ing are completed reconnected and checked This system adopts highly dangerous electrical voltage Incorrect connection or inadequate grounding can cause personal injury or death Stick to the wiring diagram and all the instructions when wiring Have the unit adequately grounded in accordance with local electrical codes e Have all wiring connected tightly Loose connection may lead to overheating and a possible fire hazard All installation or repair work shall be performed by your dea ler or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Safety Precautions Make sure the outdoor unit is installed on a stable level surface with no accumulation of snow leaves or trash beside Make sure the ceiling wall is strong enough to bear the weight of the unit Make sure the noise of the outdoor unit does not disturb neighbors Follow all the installation instructions to minimize the risk of damage from earthquakes typhoons or strong winds Avoid contact between refrigerant and fire as it generates poisonous gas Apply specified refrigerant only Never have it mixed with any other refrigerant Never have air
67. s it to increase temperaturesetting MODE Press it to select operation mode AUTO COOL DRY FAN HEAT FAN Press it to set fan speed B SWING Press it to set swing angle FEEL B 4 0 Press itto set HEALTH or AIR function SLEEP TEMP TIMER ON Press it to set auto on timer CLOCK Press it to set clock function TIMER OFF Press it to set auto off timer TURBO LIGHT Press it to turn on off the light X FAN orta AE ru XX SHE CD 0 00 9 e If MODE button is pressed current operation mode icon A AUTO e COOL Ut DRY oe FAN or X HEAT only for heat pumpmodels will show ITI SLEEP icon C is displayed by pressing the SLEEP button Press this button again to clear the display KO LIGHT icon is displayed by pressing the LIGHT button Press LIGHT button again to clear the display TEMP icon Pressing TEMP button 73 set temperature circularly Up amp down swing icon 4j indoor ambient temperature 2 outdoor ambient temperature and blank is displayed is displayed when pressing the up amp down swing down button Press this button again to clear the display 22 Function and Control LOCK icon mm is displayed by pressing and buttons simultaneously Press them again to clear the display SET TIME display After pressing TIMER button ON or OFF will blink This area wi
68. scommodious contacts 3 When removing the unit to the other place please firstly contact with the authorized Maintenance Center in the local area 4 the appliance must be positioned so that the plug is accessible 5 After pull out the power plug then make the appliance operation again to avoid the icing of outdoor unit damage axial flow fan should electrify the appliance but not operation for 4 hours for warm up purpose 7 1 1 Installation Site Instructions Install in the following place may cause malfunction If it is unavoidable contact withservice center please e strong heat sources vapours flammable gas or volatile liquids are emitted e high frequency electro magnetic waves are generated by radio equipment welders and medical equipment e salt laden air prevails such as close to coastal areas e the air is contaminated with industrial vapours and oils e the air contains sulphures gas such as in hot spring zones corrosion or poor air quality exists 7 1 2 Installation Site of Indoor Unit 1 The air inlet and outlet should be away from the obstructions Ensure the air can be blown through the whole room 2 Select a site where the condensate can be easily drained out and where it is easily connected to outdoor unit 3 Select a place where it is out of reach of children 4 Select a place where the wall is strong enough to withstand the full weight and vibration of the unit 5 Be sure to leave enough space to allow access for ro
69. sert two new AAA1 5V dry batteries and pay attention to the polarity 4 Reinstall the battery cover plate Notes eWhen replacing the batteries do not use old or different types of batteries otherwise it may cause malfunction elf the remote controller will not be used for a long time please remove batteries to prevent batteries from leaking e The operation should be performed in its receiving range Sketch map for elt should be kept 1m away from the TV set or stereo sound sets replacing batteries elf the remote controller does not operate normally please take the batteries out and reinsert them after 30 seconds If it still can t operate properly replace the batteries 25 26 Function and Control 6 2 Description of Each Control Operation 1 Temperature Parameters Indoor preset temperature T preset Indoor ambient temperature T amb 2 Basic Functions Once energized in no case should the compressor be restarted within less than 3 minutes In the situation that memory function is available for the first energization if the compressor is at stop before de energization the compressor will be started without a 3 minute lag if the compressor is in operation before de energization the compressor will be started with a 3 minute lag and once started the compressor will not be stopped within 6 minutes regardless of changes in room temperature 1 COOL mode DThe condition and process of cooling If Tamb
70. shown in Fig 2 3 Make the power connection cord pass through the hole at the back of indoor unit 4 Reinstall the cord anchorage and wiring cover 5 Reinstall the front panel 34 Installation Manual NOTE All wires between indoor and outdoor units must be connected by the qualified electric contractor eElectric wires must be connected correctly Improper connection may cause malfunction e Tighten the terminal screws securely e After tightening the screws pull the wire slightly to confirm whether it is firm or not eMake sure that the electric connections are earthed properly to prevent electric shock eMake sure that all wiring connections are secure and the cover plates are reinstalled properly Poor installation may cause fire orelectric shock 7 3 5 Installation of Indoor Unit e The piping can be output from right right rear left or left rear Prismal connection Gas side pipe wire 1 When routing the piping and wiring from the left or right side of indoor unit cut off the tailings from the chass is when necessary As shown in Fig 3 1 Cut off tailing 1 when routing the wiring only 2 Cut off tailing 1 and tailing 2 when routing both the wiring and piping 2 Take out the piping from body case wrap the piping power cords drain hose with the tape and then make them pass through the piping hole As shown in Fig4 Right NEC Len rear Right rear Fig 4 Finaly wrap it with ta ape Wat
71. ssing method refer to the malfunction analysis in the above section 2 Low voltage overcurrent protection Possible reason Sudden drop of supply voltage 3 Communication malfunction Processing method Check if communication signal cable is connected reliably 4 Sensor open or short circuit Processing method Check whether sensor is normal connected with the corresponding position on the controller and if damage of lead wire is found 5 Compressor overload protection Possible reasons insufficient or too much refrigerant blockage of capillary and increase of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfunction of protector Processing method adjust refrigerant amount replace the capillary replace the compressor use universal meter to check if the contactor of compressor is fine when it is not overheated if not replace the protector 6 System malfunction i e overload protection When tube temperature Check the temperature of outdoor heat exchanger when cooling and check the temperature of indoor heat exchanger when heating is too high protection will be activated Possible reasons Outdoor temperature is too high when cooling insufficient outdoor air circulation refrigerant flow malfunction please refer to the malfunction analysis in the previous section for handling method 7 IPM module protection Processing method Once the module malfunction happ
72. st 8 1 Indoor Uni GWHO9RA K3DNA1B I 12 GWH12RB K3DNA2B I 14 38 Exploded Views and Parts List Part Code Description GWHO9RA K3DNA1B I Qty Product code CB144N00900 Front Panel Assy 20012671 Filter Sub Assy 11122206 Screw Cover 24252016 Front Case Sub assy 20022232 Air Louver 1 1051211302 Air Louver 2 1051211402 Helicoid Tongue 2611216202 Left Axile Bush 10542008 Rear Case assy 22202186 Rubber Plug Water Tray 76712012 Ring of Bearing 26152022 O Gasket sub assy of Bearing 76512051 Cross Flow Fan 10352018 Evaporator Support 24212090 Evaporator Assy 0100255203 Wall Mounting Frame 01252015 Motor Press Plate 26112160 Fan Motor 15012115 Pipe Clamp 2611216401 Electric Box 2011216701 Terminal Board 42011233 Electric Box Cover2 20122075 Display Board 30565110 Capacitor 61 33010002 Jumper 4202300102 Main Board 30138745 Shield cover of Electric Box sub assy 0159207301 Electric Box Cover 20122103 Electric Box Assy 20302674 Power Cord 400204649 Connecting Cable 40020538 Ambient Temperature Sensor 390000451 Remote Controller 30510125 Tube Sensor 390000591 The data above are subject to change without notice 7 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 39 40 Exploded Views and Parts List Part Code GWH12RB K3DNA2B I Qty Helicoid Tongue 261
73. supply circuit The air condi tioner does not react after it is powered after the plug is inserted the buzzer does not sound and the remote startup has no response Power plug is not well plugged in Check if the plug is properly plugged in and make the loose contact firm Change controller fuse Fasten the wiring measure the output voltage of the trans former if it is incorrect change the transformer Controller is broken Check remote controller Remote controller is short of power Change batteries The remote First press the manual switch controller does button AUTO if there is no not receive heck th signals after it Remote controller malfunction response chec QUE on the above methods If it runs nor is powered the buzzer will sound unless it has malfunction and poor connection Fuse of controller burnt out The transformer connection is loose or has bad contact or the transformer has malfunction Air conditioner can not mally after pressing the button check again whether the instal lation position and the connec tion wire of the reception head is correct If it is correct then re place the receiver or the remote controller Receiver loose or poor connection Receiver is broken Check the voltage If it is lower than 10 of Power voltage is too low the rated voltage check the cause improve the power supply condition and add the sta
74. t is eliminated The communication Replace the board circuit is abnormal CAP1 of the outdoor unit f the fault is eliminated y N Replace the main board of the indoor unit 61 62 Troubleshooting Appendix 1 Resistance Table for Indoor and Outdoor Ambient Temperature Sensors 15K Resistance kQ _ Temp C Resistance ka _ Temp C Resistancetka Resistance k 1 5 sss 9 l o 9 1030 ais waa 01 3579 100 ae 9 344 10 3 333 12 092 ms 2 5 0 103 095 oa je ase 05 104 oss z 6 2908 105 oss 28 10 29 126 08 107 085 30 mo 2702 108 mas ns 3 ns o 109 mo 07 ma 39 108 72 249 0 737 es 3 102 73 238 12 os 9 74 m 967 3e 75 14 0678 2 mm 3 sms 76 ns 4 3s 20 ne 96 75 7 o
75. udCode _ Faye _ EvaporatorForm Aluminum Fin copper Tube JEvaporator Pipe Diameter mm Indoor Unit Swing MotorModel SiC fej Specifications O O GWHOMAK3DNABBO O Outdoor Unit Product Code ooo O Compressor Manufacturer ZHUHAILANDACOMPRESSORCO LTD Compressormo 8096219 08 0 Compresor SSS O oe Compressor Type Compressor Overload Protector ThrottingMethod OS Condenser Fom AummumFi coperTube n an Motorra o O O faye O OS DefrostingMethod _ AuomaticDerosing CmaeType M 202 Moisture Protection Permissible Excessive Operating Pressure for the 4 3 Mm Permissible Excessive Operating Pressure for the l MPa 2 5 MEN BA dB A Regrat Commedion OuterDiameerLiqidPipe 96 Pipe The above data is subject to change without notice Please refer to the nameplate of the unit Specifications Model EE GWH12RB K3DNA1B GWH12RB K3DNA2B Product Code EE CB144001002 CB301000903 220 240 220 240 Power SUPP Phases Power Supply Mode 55 Indoor Indoor Cooling Capacity Min Max 3500 510 3900 3500 Heating Capacity Min Max 3900 880 4400 3900 Cooling Power Input Min Max 1080 230 1300 1080 Heating Power Input Min Max 1080 230 1300 1080 Cooling Current Input 4 791 4 79 He
76. un for a period of time unit Before protection occurs use DC voltmeter to oltage between If the unit can the two ends of Y electrolytic measure the voltage N work Y capacitor is between the two normally ends of electrolytic capacitor on control panel AP1 higher than 250V Please confirm 1 If the indoor and outdoor heat exchangers are dirty If they are obstructed by other objects which affect the heat exchange of indoor and outdoor unit 2 If the indoor and outdoor fans are working normally 3 If the environment temperature is too high resulting in that the system pressure Is too high and exceeds the permissible range 4 If the charge volume of refrigerant is too much resulting in that the system Eum Is too igh Reconnect the capacitor C2 according to Electrical Wiring Diagram Then energize and start the unit top the unit and disconnect the power supply Then check the connection of capacitor C2 according to Electrical Wiring Diagram he connection of capacitor C2 is loose Remove the wires on the two ends of capacitor C2 Then use capacitance meter to measure the capacitor C2 Verify as per the Parameters Sheet p disconnect the power supply Wait 20 minutes or use DC voltmeter to measure the voltage between the two
77. utine maintenance The installation site should be 250cm or more above the floor 6 Select a place about 1m or more away from TV set or any other electric appliance 7 Select a place where the filter can be easily taken out 8 Make sure that the indoor unit is installed in accordance with installation dimension instructions 9 Do not use the unit in the laundry or by swimming pool etc 7 1 3 Installation Site of Outdoor Unit 1 Select a site where noise and outflow air emitted by the unit will not annoy neighbors 2 Select a site where there is sufficient ventilation 3 Select a site where there is no obstruction blocking the inlet and outlet 4 The site should be able to withstand the full weight and vibration 5 Select a dry place but do not expose the unit to direct sunlight or strong wind 6 Make sure that the outdoor unit is installed in accordance with the installation instructions and is convenient for maintenance and repair 7 height difference between indoor and outdoor units is within 10m and the length of the connecting tubing does not exceed 15m 09K or 20m 12K 8 Select a place where it is out of reach of children 9 Select a place where the unit does not have negative impact on pedestrians or on the city 31 Installation Manual 7 1 4 Safety Precautions for Electric Appliances 1 A dedicated power supply circuit should be used in accordance with local electrical safety regulations 2 Don t drag the powe
78. y increase set temperature In AUTO mode set temperature is not adjustable MODE 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 DRY DP 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 H FAN This button is used for setting Fan Speed in the sequence that goes from AUTO a 0 dithen back to Auto pur re 24 0 4d speed A44 Medium speed 4 High speed 23 Function and Control SWING Press this button to set up amp down swing angle which circularly changes as below 5l gt A N This remote controller is universal any command gt is sent unit will carry out the command as 3 indicates the guide louver swings 1 t 2 1 1 FEEL 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 MFA Press this button to achieve the on and off of healthv and scavenging functions in operation status Press this button for the first ti

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