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1. e Put new right back panel into right position
2. 3s PmeReese mu 202 1 3s 3 x OwercurentProwcor womb 3 3 3 mib x NBO N Say 117 MAINTENANCE 18 17 HNN TTEA 15 16 10 11 12 13 14 9 E 985 5 PE cm E gt A 29 lt ce 59 o gt 2 o LIS 25 X lt O LL c 3 23 lt MAINTENANCE 118 7 Fixed Frequency U Match Air Conditioners Service Manual GUHNGOTM1AO GUSTO 1 m 1 _ _____ s 34 _ Ce weg 1 s _____ nmm 3 Separator orzon 04 _____ x 3 Wem 002 3 www 00 31 _ s WWwewwemi memes 1 Sem ma 31 3 _ 779 vate Suppor subassy 34 _ w ____
3. 1780 C Capacitor lt 0 1 ABU PE TE Transformer 18RD Terminal Board 15RD 20WH 19WH eu sS LP KM AC Contactor XTS Hp HP x i gt X14 X3 LPP 4 X11 X2 N 12 4 X15 N TR IN HAC L Relay AP TC 10 CN5 OUIROOM T DF OUTTUBE C C CA J L A J k ZX J x 15K 20K gt Ne 5 1 51 25YE ENVIRONMENT PIPE p TEMP SENSOR TEMP SENSOR Indoor 2 1 Unit N Iw 27 2 GUCN24TK1AO 1BN OUTDOOR UNIT XTi POWER N 5BU PE C Capacitor Transformer XT Terminal Board 18RD KM AC Contactor 20WH T LP HP 19 Ha z 21 22 YN GY X14 X3 LPP 12 0VC COMP Transformer TR ING AP X10 OFAN H X9 OFAN L
4. 65 1 2 Cassette Type Indoor Unit s Error 67 2 FLOW CHART OF TROUBLE 68 3 WIRING OR 74 oct wiring Diagram Qutdoor 74 3 2 VVilino Diagram lndoor Units NORTE 80 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 82 AT UNO OOF UL uuu E 82 EEE _ 92 D EXPLODED VIEWSAND PART LIST ne use sae 97 Se ge aerate cence te eect ac 97 5 2 Indoor 120 Service Air Conditioners Service Manual PRODUCT 1 PRODUCT Fixed Frequency U Match Air Conditioners Service Manual PRODUCT 1 MODELS LIST 1 1 Outdoor Unit GUHN24TK1AO CF021W0411 R22 220 240V 1PH 50Hz GUCN24TK1AO CF021W1401 GUHN3OTK1AO CF021W0421 R22 220 240V 1PH 50Hz GUCN3OTK1AO CF021W1411 GUHNS3G6TK1AO CF021W0430 R22 220 240V 1PH 50Hz GUHNS36TM1AO CF021W0441 R22 380 415V 3PH 50Hz GUCN36TM1AO CF021W1431 GUHN42TM1AO 21 0451 R22 380 415V 3PH 50Hz HUN NN GUCN42TM1AO CF021W1441 a GUHN48TM1AO 21 0461 BE _ R22 380 415V 3PH 50Hz GUCNA8TM1AO CF021W1451 GUHNGOTM1AO CF021W0470 R22 380 415V 3PH 50Hz
5. Figure 1 3 8 DA LER n gt Correct 1 100 or more gradient x wrong Figure 1 3 8 The install height of the drain raising pipe should less than 280mm The drain raising pipe should form a right angle with the unit and distance to unit should not beyond 300mm As shown in Figure 1 3 9 PIGLET oI oe Hoisting stand Within 300mm 1 1 5m kas M Below 280mm Drain hose attachment Ee _ Below 500 1 a Ceiling Clamp attachment Figure 1 3 9 The slant gradient of the attached drain hose should be within 75mm so that the drain hole doesn t has to endure the unnecessary outside force As shown in Figure 1 3 10 s gt attachment Blow 75 Blow 500mm Figure 1 3 10 Please install the drain hose according to the following process if several hoses join together As shown in Figure 1 3 11 INSTALLATION 48 E Conditioner Service Air Conditioners Service Manual EN T tie join drain hose Y gt 100 Wa Jl Figure 1 3 11 Check the smoothness of drain after installation Check the drain state by immiting 600cc water slowly from the outl
6. I gt gt gt gt Fixed Frequency U Match Air Conditioners Service Manual Model GUHN24TK1AO Exploded Views 3 12 RAR 7 7 LHLERLLLNL YEA 57 t m 29 28 27 26 25 24 of part CF021W0411 Front Side Plate Axial Flow Fan Motor Support Sub Assy Condenser Assy Mid clapboard sub assy 01233024 12 Magnet Coi E 092 04002 Wem E Ww ____ w www 1 _ 3 _ ______ 1 m Tmome emm 1 _ m 1 m 30009 q a omon 1 35 _ 1 35 _ 1 m _ On 4 2 gt gt gt gt MAINTENANCE 98 Fixed Frequency U Match Air Conditioners Service Manual Model GUCN30TK1AO Exploded Views 10 11 5 mE 2 J 7 2 u l 1 29 30 99 MAINTENANCE Manual Air Conditioners Service Manual GUCNS3OTK1AO NO Name of part Product Code CF021W1191
7. HHhHHhHHhHhHhHhHHHHHHH a n 2 Removal of e Remove the solenoid valve from 4 way valve solenoid valve e Heat connection pipes for 4 pipes of 4 way valve with gas welding before removal of 4 way valve e Record the direciton of the 4 way valve and installation postition of each pipe before welding away 4 way valve 3 Disassembly of 4 way valve RA Disassembly of connecting pipe of E SD C pipes of 4 way valve 4 Removal of 4 way valve e Remove the old 4 way valve from the pipe line MAINTENANCE 86 Service Air Conditioners Service Manual e Position accurately the new 4 way valve e Con
8. Weight 55 O Piping Connections Liquid Gas Max Length Max Height Difference kW z 3 3 gt gt W 5 mm k g m e eo eH 27500 32500 3 2 3 55 2 53 2 67 De Ol 220 240V 1Ph 50Hz Cross Fin Coil Centrifugal fan 2 Direct 0 224x1 1500 1300 1100 47 44 42 20 1 2 1270 530 268 1348 597 283 36 42 220 240V 1Ph 50Hz Cross Fin Coil Axial fan 0 127x1 780 500 ROTARY 3 05 A N N E Capillary Tube 980x427x790 1083x488x855 74 78 73 77 3 8 5 8 7 PRODUCT Manual Conditioners Service Manual Continued 1 Cooling Nominal Capacity Heating _ _ ____ woa NN be at Sate Pressure Pa I Drain Piping 20 1 2 Dimensions 1226x775x290 WD 133878377305 Weight Net Gross 53 61 Power Supply Heat Exchange Cross Fin Coil omm omm ____ Te Axial fan Output 0 093 1 ws 220 240V 1Ph 50Hz m Fan Motor Speed r 920 780 SCROLL Compressor 3 7 Capillary Tube Dimensions 1018 412 840 kW pm kW kg mm mm PRODUCT 8 _ Service Air Conditioners S
9. Figure 1 3 17 3 Wrap connecting pipe and the joints that have not insulated with sponge and bind them up with plastic tape for the new panel 4 See the figure below for the relationship of the front panel and the connecting pipe for the new panel The connecting pipe should be located corresponding to the marking Figure 1 3 18 5 Corner Cap for the new panel Open the corner outdoor Figure 1 3 19 51 INSTALLATION Manual Conditioners Service Manual 2 OUTDOOR UNIT INSTALLATIONS 2 1 Before Installation After receiving the machine check if there is any damage during transportation If there is damage on the surface or inside inform the carrier or equipment supplier in written form immediately After receiving the machine check the unit and its accessories according to the packing list Confirm that the model is the same and the unit is intact At the same time check the specification and quantity of the accessories Select the correct route and method of transportation to avoid damage of the unit and any accident incurred Out of protecting the unit and security consideration it is advised that move the unit with its package Even if that is forbidden in special situation don t remove the carton to avoid looseness and drop Check if the installation base is solid When the unit is installed the m
10. JA disassemble connecting Wire of compressor e Assemble the power supply wires onto right position according to the order of disassembly e Screw down the retaining screw for the power supply wires with screwdriver 7 Connection power supply wires of compressor 8 Vacuumization by gt fluorin feeding nozzle vacuumization e Vacuumize the system by fluorin feeding nozzle e Recharge refrigerants to the system by fluorin feeding nozzle Vacuumization e Volume of the charged refrigerant should be in accordance with the requirement on the unit nameplate 9 Recharge refrigerants by fluorin feeding nozzle 77 DE yy Y l PES 85 MAINTENANCE Manual Conditioners Service Manual Disassembly and Assembly of 4 way valve Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of 4 way valve Illustration Handling Instruction disassemble solenoid valve e Cut off power supply and reclaim refrigerants properly e Disassemble solenoid valve with wrench 1 Disassembly of solenoid valve
11. 3 _ zm A4wywwemw 4 m _____ _____ s 31 1 Tube Sub assy 3s 20 1 e 1 _ Compressorana tings 22 1 3 CompressorGasket eme 4 3 8 lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt N N lt gt N lt gt 119 MAINTENANCE Fixed Frequency U Match Conditioners Service Manual 5 2 Indoor Unit 5 2 1 Duct Type Model GFH24TK1Bl GFH30TK1BI GFH36TK1BI GFH42TK1BI GFH48TK1BI GFH60TK1BI Exploded Views MAINTENANCE 120 GFH24TKA1BI Name of part Product Code CF022N0191 Product Code CF022N0201 gt 2 pe 1395765 _ Transtmer _ s 7 Air Conditioners Service GFHA2TKABI No Name of part Product Code 022 0181 Product Code CF022N0211 Part code Quantity s 1 1 _ 8 Transformer 1 eme 1 _ 3 wow 1 wm 1 _ GFH48TK1BI GFH60TK1BI No Name of part Product Code CF022N0221 Pr
12. o ms 1 s cesna 92206 1 Oe 2 1 1 C w CR Side osae _ wem 31 _ a 3 eme a 3s 1 3s OP 3 m 1 Sm 1 2 1 3 GemsSbay 1 03 _ 1 3 3 3s mia Won 3 3 Temmibmm 3 PmeReese Protector 1 3 emma Front Grill Cabinet Front Side Plate Sub Assy Handle gt I I I ly I I I gt I Io o l gt lx lt 111 MAINTENANCE lt 95 S 2 gt lt ce 59 Z Oo LL O gt 25 95 LL c 3 33 xs gt lt MAINTENANCE 112 7 Fixed Frequency U Match Air Conditioners Se
13. s 1 m o GemwdSepwaorhey 1 Cone _____ mm 1 Sm m Sm a 4002 wem Presse Protect Swich Tube Sub assy 0460808 o 39 RerSdPmeSudey woso oo m Suppor zm o 31 m emm x 3 map 1 3 ______ ms x mmwemwemih 4 3 1 1 3 Compressorana tings 2222 1 x mew 3 MWanbes 1 3 _ 3s a 3 Temmibed mma x emus _ CGmedr 9 1 04002 AGmam N MAINTENANCE 104 Yu s Service Air Conditioners Service Manual Model GUCN36TM1AO Exploded Views 1 E 3 4 ON N CO 40 gt gt gt gt gt gt Y GJ GJ N
14. wwe 1 115 MAINTENANCE Manual Air Conditioners Service Manual Model GUCNGOTM1AO Exploded Views MAINTENANCE 116 Fixed Frequency U Match Air Conditioners Service Manual GUCNG6OTM1AO Name of part Product Code CF021W1460 Part code Quantity 22414102 01435436 01305431 2 Panel Grille Front Plate Front Side Plate Handle 26235253 Axial flow Fan 1033873101 s Condensersuppor ewe 1 CF owe 3 _ s 3 _ s mam 3 Cone _____ wmm 34 uz 0 9 8 cesna separatorsusassy 9220 3 1 _ e O Gas Retiring Subassy o amp m o 3 80 9 m vate Suppor subassy o 3 m
15. CN4 CN6 CN3 OUTTUBE C1 15K 9 Ne R 51K 25YE ENVIRONMENT TEMP SENSOR Indoor mll PE Unit Em MAINTENANCE 74 3 GUHN30TK1AO Fixed Frequency U Match N 1 POWER 8BU 6 4 aL pr Capacitor Transformer Terminal Board PCB Contactor 19 7 WH Y 22 GY X14 X3 LPP X4 HPP 12 0VC COMP Transformer 4 1 X15 N TR IN AC L TR OUT TuF lt X9 0FAN L CN6 WHBKRDT VF BN CN3 OUTROOM OUTTUBE Y CAJ CAJ amp 15 50K XT212 ENVIRONMENT DISCHARGE GAS TEMP SENSOR TEMP SENSOR Indoor pa Unit E 4 GUCN30TK1AO OUTDOOR UNIT Transformer Terminal Board AC Contactor XT1 POWER 1 N 5BU PE PE X3 LPP X4 HPP one 10 X9 OFAN L OUTROOM DISCHARGE GAS ENVIRONMENT TEMP SENSOR TEMP SENSOR Indoor pH Unit Wh a Air Conditioners Service Manual 75 MAINTENANCE Fixed Frequency U Match Air Conditioners Service Manual b GUHN36TK1AO UUTDUUR UNIT Copacitor Transformer Terminal Board
16. 1338 837 305 Weight Net Gross 53 61 380 415V 3Ph 50Hz Heat Exchange Cross N Q 5 Drain Piping Dimensions WxDxH Type SCROLL ____ ___ PRODUCT 10 service Air Conditioners Service Manual Continued 4 Coolin Nominal Btu h 48000 48000 Btu h 51000 2 41 kW EER COP W W 2 33 2 68 220 240V 1Ph 50Hz Heat Exchange Cross Centrifugal fan 2 Drive Direct Motor Output 0 567x1 Air Flow m h 2300 2110 1850 Ext Static Pressure Sound Pressure Level H M L dB A 53 50 46 30 1 5 Outline 1226 775 290 1338 837 305 Weight Net Gross 55 63 Power Supply 380 415V 3Ph 50Hz Heat Exchange Cross C 2 Drain Piping Dimensions WxDxH Motor Output 0 149x1 Type SCROLL Power input 5 35 _ 82 02 Refrigerant Compressor 2 Charge 11 PRODUCT Manual Conditioners Service Manual Continued 5 Coolin Nominal 7 Btu h 52000 52000 Capacity OW 085 oo Heating Btu h 5600 2 3 kW EER COP W W 2 3 3 3 Power Supply 220
17. 2 2 GKHA8TK1B2I 63 INSTALLATION Manual Air Conditioners Service Manual MAINTENANCE MAINTENANCE 64 Fixed Frequency U Match Air Conditioners Service Manual MAINTENANCE 1 TROUBLE TABLE 1 1 Remote Controller Display Malfunction and Description Abnormality is detected when the contact of the high pressure switch opens for 3 sec The system will be shut down All buttons are deactivated except the on off This fault cannot be recovered automatically When cooling and dehumidifying have been running for a period of time if it is detected that the temperature of the evaporator temperature sensor is lower than the protective set point temperature then an alarm will be given and the compressor and outdoor unit fan motor will stop if itis detected that the temperature goes up beyond the protective set point temperature and the compressor has been stopped for three minutes then the unit will resume running When the unit is running or on standby the compressor Actuation of low has been operated for more than 3mins the low pressure Low pressure switch pressure switch switch opens for more than 30sec and the screen will display malfunction code After the startup of compressor the discharge temperature is higher than 130 C for more than 30sec malfunction code E4 will be displayed on the screen and the system will be Abnormal discharge Discharge temperature shut
18. 26 25 28 27 9 5 T2 2 o gt lt ce CO 25 oo iz gt 2 LL I 5 gt 5 LL c 8 38 xs LL lt MAINTENANCE 114 7 Fixed Frequency U Match Air Conditioners Service Manual GUHNA8TM1AO No Name of part Product Code CF021W0461 ree as 3 2 _ 3 Front Side Plate SubAssy oasa O 1 SSC 1 2 1 _ 9 Sm 1 _ WS 1 n _____ 8 1 18 Gesiw Sepmtr ubAsy E e e wem m Sme 35 3s ____ ____ 31 Wiwa Electric heater 76515404 Com 1 3 Compressoranditings 0 _ 3 CwesSbey 2 1 9 1 _ 3 Jwmwibed ____ omm 3 Mene 3 SSC Boars 3 3 Wow sw ewe PwseReesePrudo _ 3
19. 1 35 _ 35 S S Lom ass Phase Protector 46020052 mnsa 3 3 9 Terminal Board 4205 3 3 wp 1 _ SSCS Boars 3 Amm 3 ew 1 I gt 107 MAINTENANCE lt 9 5 5 _ 2 o gt lt ce 59 gt 2 Qo LL O gt 25 95 D lt LL c 3 58 xs gt lt MAINTENANCE 108 Fixed Frequency U Match Air Conditioners Service Manual GUCN42TM1AO Name of part CF021W1441 Part code Quantity 22415005 01435007 01315414 26235253 10335010 2 Front Grill Cabinet Front Side Plate Sub Assy Handle Axial Flow Fan left handle 26235401 7 Left Side Plate 01305064P s Cmdewespptpae 1 s mo 1 9 fmwm s mem 1 _ uz Wwe 0 3 8 1 4 a s cesna Separator 0220 3 osos O x O _ 5 0608 Gas Retiring Subassy wers
20. 6 CF021W1460 PRODUCT 2 Fixed Frequency U Match Air Conditioners Service Manual 1 2 Indoor Unit Nominal Capacity Type Code Cooling Heating Appearance Btu h Note 1Ton 12000Btu h 3 517kW NOTES The universal outdoor units mean that the customer can choose any of three kinds of indoor units to match the outdoor unit without any change Three kinds of units F Duct Type K Cassette Type T Floor Ceiling Type 3 PRODUCT Fixed Frequency U Match Air Conditioners Service Manual 2 NOMENCLATURE 2 1 OUTDOOR UNIT Gree Electric Appliances Inc Capital Letter G U Match Outdoor Unit F Duct 2 Unit K Cassette T Floor Ceiling C Cool Only H Heat Pump without Aux Electric Heaters N Constant Frequency Compressor Type D DC Inverter A AC Inverter Nominal Cooling Capacity Nominal Cooling Capacity kus s sas N Climate T1 Condition SE Climate T3 Condition K 1Ph 220 240V 50HZ M 3Ph 380 415V 50HZ Design Code Design Code A B C D Unit Code for Condensing Unit O Outdoor 2 2 INDOOR UNIT F Duct Type 2 Unit Type K Cassette Type T Floor Ceiling Type C Cool Only Product H Heat Pump without Aux Electric Heaters Nominal Cooling Capacity Nominal Cooling Capacity N Climate T1 Condition Climate T3 Condition K 1Ph 220 240V 50HZ M 3Ph 380 415V
21. m m s Shielding state buttons temperature on off mode or save is shielded by long distance monitoring Turbo function state CONTROL 34 Service Air Conditioners Service Manual 3 2 3 Dimension 3 2 4 Installation N L Fig 3 2 5 Sketch for Installation of Wired Controller Table 3 2 3 Socket s b b F of Description Soleplate of controller Screw M4x25 Screw ST2 9x6 installed controller Fig 3 2 5 Sketch for Installation of Wired Controller Pay attention to the following items during installation of wired controller Cut off power supply of heavy current wire embedded in mounting hole in the wall before installation It is prohibited to perform the whole procedure with electricity Pull out 4 core twisted pair line in mounting hole and then make it through the rectangle hole at the back of controller s soleplate Joint the controller s soleplate on wall face and then fix it in mounting hole with screws M4x25 Insert the 4 core twisted pair line through rectangle hole into controller s slot and buckle the front panel and soleplate of controller together At last fix the controller s front panel and soleplate with screws ST2 9x6 Caution During connection of wirings pay special attention to the f
22. 2984 12 15K 50K YEGN Hoe 2 ENVIRONMENT DISCHARGE GAS TEMP SENSOR EMP SENSOR Indoor 2 Unit MAINTENANCE 76 Service Air Conditioners Service Manual 7 GUHN36TM1AO Outdoor Unit 7 Unit ate Terminal Board l WAW Protector WH RD dal A Protector AC Contactor _ X11 4V X3 LPP X1 OVC COMP X2 N 14 12 10 0 05 0 15Mpa 3 5 2 4Mpa Environment ine Temp Sensor Temp Sensor P 8 GUCN36TM1AO Outdoor Unit Capacitor indoor Unit m Terminal Board Converse Protector Transformer 5 PM Over Current Protector R M 11RD Reverse Protector Contactor X3 LPP X2 N X1 OVC COMP X14 12V 7 1 Low High Pressure Pressure Switch Switch 0 05 0 15Mpa 3 2 2 6Mpa Environment Discharge Gas Fan Motor Temp Sensor Temp Sensor MAINTENANCE i N Fixed Frequency U Match Conditioners Service Manual 9 GUHNA2TM1AO GUHNAS8TM1AO Outdoor Unit ouf madri Un
23. Flare nut Side facing WT 777 Downward facing Upward facing Figure 3 1 3 Wrap connecting pipe and the joints that have not insulated with sponge and bind them up with plastic tape 2 Vacuuming and leak test Remove the bonnets of gas valve and liquid valve Aim at the center of the pipe and screw the nut of connecting pipe tightly with hands Screw nuts tightly with spanner Remove check valve bonnet of gas valve Unscrew the stem of gas valve for 1 4 circle with hexagon spanner and at the same time open the stem by screwdriver to discharge gas Discharge the gas for 15s until gas of refrigerants appears And then shut the check valve and screw the bonnet tightly Open stem of gas valve and liquid valve completely as figure 3 1 4 One way valve Gas valve Liquid valve Inner hexagon spanner Screw driver Figure 3 1 4 Screw the bonnet tightly and then detect if there is any leakage the joint connecting indoor and outdoor unit and pipeline by soap water and Leakage detector Caution f possible it is better to use vacuum pump to discharge the air inside the piping and indoor unit from the service port The method of using vacuuming is as follows Take out the flare nut cover of the liquid and gas valve service port Connect the manifold gauge to the vacuum pump with the low pressure end linked to the gas valve and the high pressure linked to the liquid valve
24. 0102943 1 31 8 Water Tay assy 1 3 _ omaa 3 s Flow ouide Loop wwe 3 _ www wm 3 _ emma 420102 1 4202 430023 1 _ 779 200202 1 200202 3 39 Remsmo 1 m ox Covert 200203 1 200203 3 z waecezrase wem wmm 1 _ asua 1 _ 2 2 3 _ 3s Water Pump puveiais 430324 1 z 1 1 _ Fumbemie 1 0823006 1 _ 1 1 3 FuwGwePae ous om os 9029429 92929 1 _ Fixed Frequency U Match 123 MAINTENANCE Manual Conditioners Service Manual s _ s 1 MAINTENANCE 124 Air Conditioners Service 1 1 toy Fixing Pte _____ wee 4 warm wors 3 wmm s ase Piste 1 ommm 3 _ s ResWerae 1 1 3 o omm 31 _ s 9004 St
25. However the indoor unit fan will run normally in this case Malfunction is detected when there is a short circuit or an open circuit in the discharge temperature thermistor for more than 5 sec The system will be shut down in Malfunction of cooling operation and dehumidifying operation The Discharge temperature hos discharge temperature screen will display the malfunction code 4 reset thermistor thermistor for the malfunction of discharge temperature thermistor is automatic In air supply mode the screen will display the malfunction code F4 However the indoor unit fan will run normally in this case Malfunction is detected when there is a short circuit open circuit in the indoor room temperature thermistor more than 5 sec system will shut down Malfunction of Indoor w cooling operation and dehumidifying operation The Room temperature Indoor room s screen will display the malfunction code 5 reset thermistor at Wired temperature thermistor the malfunction of discharge temperature thermistor is Remote Controller automatic In air supply mode screen will display malfunction code F5 However the indoor unit fan will run normally in this case MAINTENANCE 66 Service Air Conditioners Service Manual 1 2 Cassette Type Indoor Unit s Error Indicating LED No error Low Error description
26. Name Description Operation and Installation Instruction for gas joint of the indoor unit for liquid joint of the indoor unit for wrapping condensate pipe and rubber plug 8 4 sets for installation of the indoor unit for installation of the indoor unit 1 2 fixing Accordion Pipe 0 2pcs or 4pcs 0 for 18kBtu h unit 2pcs for22 5 27kBtu h unit and 4pcs for 36 45kBtu h unit Connecting Wire 3pcs for 36 45kBtu h unit and 2pcs for others INSTALLATION 40 Service Air Conditioners Service Manual 1 1 5 Installation Clearance Data Nut with Nut spring washer washer Be suitable for GFH24TK1BI i GFH36TK1BI GFH42TK1BI gt 250 gt 250 GFHA8TKA1BI EE 1 1 6 Piping Work 1 Installation of Drainage Pipeline A drainage outlet is located at both the left and right sides of the indoor unit After selecting one drainage outlet the other outlet shall be blocked by rubber plug Bundle the blocked outlet with string to avoid leakage and also use thermal insulation materials to wrap the blocked outlet When shipped out from factory both the drainage outlets are blocked by rubber plugs When connecting the drainage pipeline with the unit do not apply excessive force to the pipeline at the side of the unit The fixing position of the pipeline shall
27. There is no obstacle blocking the air intake and exhaust outlet so as to ensure enough air circulation The installation spaces required by the drawing must be ensured so as to provide enough space for the service and maintenance The installation site must be far away from heat source leakage of inflammable gas or smoke The indoor unit is mounted on the ceiling indoor unit is hidden inside the ceiling The indoor and outdoor units the power cable and the connecting electrical lines must be kept at least 1 meter away from any TV set or radio This is to avoid image interference or noise caused by the TV set or radio Even if the distance is 1 meter noise can also exist if there is strong electric wave 1 1 3 Caution for Installation The unit is installed inside room and installed as ceiling suspension type Make sure that the hanger on the ceiling can withstand the weight of the indoor unit Rubber vibration pad thickness 220mm and rubber junction shall be applied to avoid noise and vibration Insert a M10 expansion bolt into the hole Drive a nail into the bolt Refer to the profile dimensions drawing of the indoor unit for the distance between the holes Refer to Figure 1 for the installation of the expansion bolt as shown in Figure 1 1 1 UL G Air conditioning Unit Ceiling mount Screw Hanger M cM co E Figure 1 1 1 Figure 1 1 2 INSTALLATION
28. 1 onmes 1 _ 1 meo 1 _ s ooo 1 ewm tube sensor 9 9 MAINTENANCE 126 Air Conditioners Service Manual Model GKH30TK1Bl GKH30TK1B2I GKH30TKA1BI 1 21 of part Product Code ET010N0610 Product Code ET010N0270 __________ oneris 1 1 _ Si _____ 1 wem _ amp s Emmy 1 omma 1 w ___ o 9 9 9 m 0823202 1 083202 _ 2 2 _ o 1 _ WaterPump 1 3 _ z eSP 1 omwns 1 m mamam T mama mus 01252713 101252713 127 MAINTENANCE 00300312 ELECTRIC APPLIANCES INC OF ZHUHAI Add West Rd Qianshan Zhuhai Guangdong China 519070 Tel 486 756 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
29. GREE Change for Life wes ENCY U MATCH AIR CONDITIONERS SERVICE MANUAL T3 R22 50Hz GC201204 I gt gt gt lt lt GREE ELECTRIC APPLIANCES INC OF ZHUHAI CONTENTS PRODUC T 2 OV AND S LL ____ 2 L I 2 e o u E EN E ETE 3 FE IR eeepc 4 TOT OL UNIT T E 4 ZA EOS UNIT EE EE P 4 5 4 PRODUCT DATA a 6 4 1 Product Data at Rated Condition 6 AL EE GD L L usnu 23 PIPING DIAGRAM E 24 26 T OPERATION MENU EDD 26 1 1 Cooling Dry 8e 26 1 2 FiGatitig Operation __ _____ 27 z UnXSMESC IATM 28 ModE u u uuu uu uuu uuu 28 2 BIN 60 EET 28 Heating MOE 29 TD OI O 29 SN F 1 MERERETUR 30 I CONTROCLE R 30 3 1 Remote CORITOIGE o 30
30. GS ORES yy z wa Panel Grille 1 Front Side Plate Mid Clapboard Sub Assy Condenser Assy Discharge Tube Sub Assy Inhalation Tube Sub Assy Rear Side Plate Sub Assy Electric Box Assy Terminal board Terminal board Capacitor CBB65 Capacitor CBB61 33010013 Gas Valve Sub Assy Valve Support Sub Assy Gas liquid Separator Assy Compressor and fittings Base Plate Sub Assy Discharge sensor Temperature Sensor COIN O O gt O 105 MAINTENANCE Fixed Frequency U Match Air Conditioners Service Manual Model GUHN36TM1AO Exploded Views MAINTENANCE 106 7 Fixed Frequency U Match Air Conditioners Service Manual GUHNS36TM1AO Name of part Product Code CF021W0441 e 1 1 _ 3 G 3 4 __ Front Side Plate SubAssy 1 Handle 26235253 5 _____ eme 4 _ 7 GoweesupoipsteSuey 4 _ 8 Wwe 1 9 Wn ooo _ O3 _ orso 18 09 02 Oo a gt OmiaySbAsy _ 1 _ Suppor SubAssy ____ oms O O o O sem
31. e Screw down the surrounding retaining screws with screwdriver e Put new panel external casing into right position on the unit e Screw down the surrounding retaining screws with screwdriver e Some models 1 R Y 42PEV1IKUR Y 48TPEV1K need to be equipped with front panel outside the external casing e Put new front grill into correct position on the unit e Screw down the surrounding retaining screws with screwdriver e Put new rear grill into the right position on the unit e Screw down the surrounding retaining screws with screwdriver e Put the new top cover into the correct position on the unit e Screw down the surrounding retaining screws with screwdriver 33 MAINTENANCE Manual Conditioners Service Manual Disassembly and Assembly of Compressor Remark Make sure there isn t any refrigerant in pipe system and the power supply is cut off before removal of the compressor Illustration Handling Instruction disassemble connecting wire of e Unscrew the retaining screw of power cord with compressor screwdriver 1 Disconnect the e Unplug power cord power cord Note Earmark the colour of wire corresponding to the terminal when Removing the wire and the mixture can be avoided when recovering the wire connection 2 Disassembly of retai
32. pipe Lead from soldered area Use the proper materials copper pipe solder etc Air tight test Adhere strictly to standard flaring work practice lt Leak from area Adhere strictly to standdard flange connection work parctice Lead from flange area Air tight Make sure there is moisture Make sure there is dirt Make sure the refrigerant does inside the pipes inside the pipe not leak out Figure 3 1 1 Match the flaring of copper pipe to the center of screwed connection and then screw the flared nut up by hands Screw flaring nut with torque wrench until the spanner clatters which is shown as figure 3 1 1 Copper piping applied to reduce friction with the flare nut Oil applied improves seal air tightness Figure 3 1 2 Flare nut Form 3 1 1 the tightening torque needed for tightening nut Diameter of Pipe Tightening torque 1 4 inch 15 30 N m non 60 65 N m 45 50 70 75 N m 80 85 INSTALLATION 54 Service Air Conditioners Service Manual Degree of curvature of the tubing cannot be too small or the pipe might be broken up When bend the piping bending apparatus shall be applied Brazing port shall be downward and horizontal when brazing the pipeline Try to avoid the upward brazing as shown in figure 3 1 3 which easily affects welding quality and causes leakage Torque wrench Spanner
33. AC Contactor 6 GUCN36TK1AO 11RD PE _ 22 21 Ae 1 4BU a V 13RD PLIWER N 2 T1 CH eO YE C CN CNS T DF ENVIRONMENT PIPE DISCHARGE GAS TEMP SENSOR TEMP SENSOR TEMP SENSOR U DUUR UNIT C Capacitor TC Transformer XT Terminal Board Contoctor Es POWER BN 8BU L N EE E BU 1 11 E CET 5 E Al ABU 18RD 13RD 20WH LP HP 19 P We 21 ee _ Y N GY X14 gt CH2 V IVC CDMP TR IN 20 TC T AC L D Aut Reloy TR DUT K lt WH BN eT 10BU lt X10COFAN H 60uF X9C0F AN L E J UTROOM UTTUBE PETI CN3
34. As shown in Figure 3 1 5 55 INSTALLATION wiitioners Service Air Conditioners Service Manual Low pressure gauge High pressure gauge Gauge manifold kit a um um VAC valve Vacuum pump Figure 3 1 5 Start the vacuum pump When the low pressure gauge turns to 760mmHg close the low pressure handle and stop the vacuum pump Then keep this status for 15 minutes to ensure the low pressure gauge remain the same Take out the valve cap of the gas valve together with the liquid valve Loose the stem of liquid valve until the pressure rises to 0 Kg cm2 Dismantle the base from the gas and then tighten the flare unit Loose the valve stem of the gas valve as well as the liquid valve entirely Tighten the valve stem of the gas valve and liquid valve so as to check whether leakage occurs 3 Installation of Protective Layer of Connecting Pipe To avoid generation of condensate on the connecting pipe and avoid leakage the gas pipe and the liquid pipe of the connecting pipe must be covered by thermal insulation materials be bundled by adhesive tape and be isolated from ambient air The joint connecting to the indoor unit must be wrapped by thermal insulation material There shall be no gap between the connecting pipe joint and the wall of the indoor unit Refer to Figure 3 1 6 Example of incorrect work Example of correct work e Gas and liquid piping f 5 Insulati
35. eG E 1 aHa a Fm 3 1 ______ mmm 1 1 1 1 1 eo b 3 enge _ 9 L4 38 3 _ 9 1 Mes 1 _ 3 04007 m 2 400 W 1 1 __ ____ 07 1 _ _ 35 Discharge Tube 0 4 1 _ 3 1 _ O _ 1 _ 1 _ 3 _ MAINTENANCE 100 Fixed Frequency U Match Air Conditioners Service Manual Model GUHN30TK1AO Exploded Views i 04 Name of part CF021W0421 Left Side Plate Front Side Plate Axial Flow Fan Condenser Assy Motor Support Sub Assy Top Cover Sub Assy 12 4 way Valve Assy 0414
36. ene Additional Charge External Diameter I in Height between I of Connection Pipe I of Refrigerant Outdoor and Indoor Unit GUHN24TK1AO GUCN24TK1AO 5 8 3 8 GUHN30TK1AO GUCN30TK1AO i i GUHN36TM1AO GUCN36TM1AO GUHN42TM1AO i GUCN42TM1A0 93 4 1 2 50 30 120 GUHN48TM1AO GUCN48TM1AO GUHN60TM1AO 4 ELECTRIC WIRING 4 1 Wiring Principle 4 1 1 General Perform wiring of the power supply conformance with the regulations of the local electric company For the control wires connecting indoor units and between indoor and outdoor units use of double core shield wires is recommended to prevent noise trouble Be sure to set the earth leakage breaker and the switches to the power supply section of the indoor unit Supply power to each outdoor unit and provide an earth leakage breaker or hand switch for each outdoor unit Store wiring system for control and refrigerant piping system in the same line Arrange the cables in the way that the electric wires do not come to contact with high temperature part of the refrigerant pipe otherwise coating melts and an accident may happen Do not turn on power of the indoor unit until vacuuming of the refrigerant pipe is completed Installation should be conducted by Local Wiring Regulation The rated voltage and exclusive power supply must be adopted for the air conditioners The power cable should be reliable and fixed in
37. n e E X LIMIT SWITCH Z LD 4 5 2 CN11 gt BK R x NES yo RO x2 SEG SWING MOTOR L L ne 5 CN9 CN7 CN6 N N X4 N B x2 CN12 p Dutdoon gt Bk P Unit YEGN eNI Display ental 7 XT2 NL RD mode of connection 2 5 lt CN13 CN1 CN10 CN3 CN2 ommunication Cori 59 357 1 sa YEGN lt EVAPORATOR lt H la YEGN SWING MOTOR TRANSFORMER Ee PE FAN MOTOR PUMP MOTOR E p Attention The Manual Panel is the optional accessory Z 81 MAINTENANCE Fixed Frequency U Match E Air Conditioners Service Manual 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 4 1 Outdoor Unit Disassembly and Assembly of external casing Remark Make sure that the power supply is cut off before disassemble of the external casing Illustration Handling Instruction SS 1 Disassembly of the top LGL Unscrew retaining top cover cover E EA Remove it from the unit 2 Disassembly of rear Loose retaining screw on the rear grill with screwdriver grill Remove rear grill from the unit Disassemble the screws of the front grill with screwdriver Disassemble and remove the f
38. w Capillary Tube g PRODUCT 16 2 wa Conditioners Service Air Conditioners Service Manual Continued 10 Cooli kW 11 5 oolin Btu h 39215 eatin Btu h 42625 Power Cooling Input Heating EER COP Nominal Capacity 2 45 2 66 220 240V 50Hz 1Ph Heat Exchange 5 centrifugal fan NECEM Pa Drive US 5 lt gt w direct 0 065x1 1660 1570 1500 Fan Motor Output Air Flow Ext Static Pressure Standard washable synthetic Panel Dimensions 950x950x60 Compressor Refrigerant Capillary Tube Weight Net Gross 96 105 Liquid 1 2 Piping S que Connections Max Length Q e e Max Height Difference 17 PRODUCT Manual Conditioners Service Manual Continued 11 qw _ Btu h 50500 Power Supply 220 240V 50Hz 1Ph Nominal Capacity Heating 00 We SSC gata we Pa 8 m mm 563 963 409 WxDxH Package mm 1028x1043x130 ____ _ 000002 00 2 we ___ 00002 o we Weight NetGross Liquid 1 2 C2 e Connections Max Length m 50 Max Height Difference 1
39. 3 2 Wired Controller 33 INSTALLAT O N 38 T INDOOR UNIT INS TAUEATIODL adios odas 38 1 1 ee ee 38 1 2 Installation of Cassette 77 7 45 2 OUTDOOR UNIT INSTALLATIONS 52 2 1 Before mm 52 2 2 gt uuu 52 Cautions for p u uuu u Rm 52 2A r u uu 53 2 5 Installation Clearance 53 3 REFRIGERATION PIPING a 54 3 1 Refrigeration Piping Work Procedures nennen nennen nnns 54 3 2 Cautions in Connecting P IBS tpm tu ne M dE 57 4 ELECTRIC WIRING WORK 58 4 T Wing uuu _________ 58 Elecmie Jogo u uuu u Lulu u uuu 60 4 3 Specification of Power Supply Wire and Air Switch 62 MAINTE NANCE 65 eI NINE uu n 65 1 1 Remote Controller Display Malfunction and Description
40. 38 Air Conditioners Service Manual Screw Wing supply port Figure 1 1 3 Install the hanger onto the indoor unit as shown in Fig 1 1 2 Install the indoor unit at the ceiling as shown in Fig 1 1 5 H Screw Hanger NG 6 48mm cH i K Nut gt Air Intake Air Supply m o 77 d Figure 1 1 5 for unfavorable installation The preparation of all pipes connecting pipes and drainage pipes and cables connecting lines of wired controller indoor unit and outdoor unit must be ready before the installation make the installation go favorably Drill an opening on the ceiling Maybe it 1s required to support the ceiling to ensure the evenness of it and avoid the vibration of it Consult with the user or a construction company for details In case the strength of ceiling is not enough use angle iron sections to set up a beam support Place the unit at the beam and fix it Horizontal Survey of the Indoor Unit After installation of the indoor unit 1s finished horizontal survey of the complete unit must be executed to confirm the horizontal placement of the unit w
41. 50HZ Design Code Design Code A B C D Unit Code Indoor Unit I Indoor Unit PRODUCT 4 Service Air Conditioners Service Manual 3 FUNCTION when unit restart after power it will run former status Memory function the mode and parameter are kept the same wireless controller and remote controller can be opted and the Remote control function maximum control distance of remote controller is 10m Timing function it can timing ON OFF separately meanwhile it can also can timing on circularly Self diagnosis with alarm function once unit has malfunction the malfunction code will be indicated Sleep function it can self control for saving energy in energy saving mode fan of indoor unit adjust speed automatically based Automatic function actual demand when cooling or heating under automatic mode the starts only when temperature of indoor unit heat exchanger Cool air proof function E s is higher than indoor temperature under heating mode centralized Control and Week Timer Functions The centralized controller and the weekly timer are integrated in the same wire controller The system has both the centralized control and the week timing functions Up to 16 sets of units can be Weekly Timer controlled simultaneously by the centralized controller weekly timer The weekly timer has the function of invalidating the lower unit The week
42. As shown in Figure 1 3 7 When the laid drainage pipe is used for multiple units the common pipe shall be about 100mm lower than the drainage outlet of each set of unit A pipe with thicker wall shall be used for such purpose 47 INSTALLATION Manual Air Conditioners Service Manual Sponge attachment attachment H KNJ 4 6 4 Figure 1 3 7 2 Testing of Drainage System After the electrical installation is completed carry out the testing of the drainage system During the test check if the water correctly flows through the pipelines Carefully observe the joints to ensure that there is no leakage If the unit is to be installed in a new house carry out testing before decorating the ceiling 3 Matters of Attention The diameter of the drain hose should be equal or bigger than the connection pipe s The diameter of polythene pipe Outer diameter 25mm Surface thickness gt 1 5 Drain hose should be short and drooping gradient should at less 1 100 to prevent the formation of air bubble If drain hose cannot has enough drooping gradient drain raising pipe should be added To prevent bent of the drain hose the distance between hoisting stand should is 1 to 1 5m As shown in
43. be near the unit Purchase general purpose hard PVC pipes locally to be used as the drainage pipeline When carrying out connection place the end of the PVC pipeline into the drainage hole Use flexible drainage tube and tighten it with thread loop Never use adhesive to connect the drainage hole and the flexible drainage tube As shown in Figure 1 1 9 When the laid drainage pipeline is used for multiple units the common pipe shall be about 100mm lower than the drainage outlet of each set of unit A pipe with thicker wall shall be used for such purpose Sponge attachment Clamp X a NNS A SN x NS N P SS N 4 Sponge gray Drain hose Below 4mm Figure 1 1 9 2 Testing of Drainage System After the electrical installation is completed conduct the testing of the drainage system During the test check if the water correctly flows through the pipelines Carefully check the joints to ensure that there is no leakage If the unit is to be installed in a new house carry out testing before decorating the ceiling 3 Matters of Attention No leakage is allowed on the joint of the drainage pipeline The pipeline shall be installed with inclination angel of 5 10 as to facilitate the drainage of condensate The joints of the drainage pipeline must be covered by thermal insulation materials to avoid generation of exterior condensate As sh
44. capacity Rectangular flange has been installed on the back of the unit and air intake cover plate has been installed in the bottom when leaving the factory which is shown as Fig 1 1 14 Squareness flange Back air intake Down air intake P d M Air intake cover board Fig 1 1 14 43 INSTALLATION Fixed Frequency U Match Air Conditioners Service Manual If bottom air inlet shall be adopted change the positions of rectangular flange and air intake cover plate Connect air intake duct with air inlet of the indoor unit by clinch bolts The other end will connect air intake window For freely adjusting height canvas air duct can be made which is enhanced by 8 iron wire and shows as pucker shape When selecting installation method take the conditions of the building and maintenance of the unit into consideration Air intake E Air supply Air supply Air Intake with filter the Indoor Unit Air Intake Duct amp Testing Grill Fig 1 1 15 4 Installation of Round Air Outlet Unpack package Take out both of the Tighten the parts Sketch for installing fixing bolts at left and by bolts as shown 3 round outlet pipes right sides and then in the figure take out the parts from the unit one by one Round oullet pipe parts RM Round outlet nclosure pipe parts i s Ex L Outlet pipe parts Packaging board unnecessary when instal
45. retaining bolts on pothook 3 Installation of new vapor liquid separator MAINTENANCE 88 Service Air Conditioners Service Manual Disassembly and Assembly of Axial Flow Fan and motor Remark Make sure that power supply of the unit is cut down before removal of axial flow fan and motor Illustration Handling Instruction Disassemble outdoor parts of unit cover 1 Disassembly of e LS panel external casing screen etc according to the outdoor parts X discription above in order to disassemble axial flow x motor conveniently e Hold the fans without movement e Disassemle retaining nuts for the fans with wrench e Take down and remove fans from motor 2 Disassembly of axial flow fan e Open cover plate of electric box Loose the connecting plug for motor wires and pull out the wires through the hole Disassemble retaining screws for motor support and remove the motor 3 Disassembly of fan motor C CCS COO COS CS COO COO COS GS fs e Position accurately the new motor on the moto
46. so as to prevent rain and wind from entering the room 3 2 Cautions in Connecting Pipes Layout of connecting pipeline shall comply with the following principles according to actual situation The length of connecting pipe shall be short as much as possible and it is better to restrain the length within 5m Shorten the height difference between indoor and outdoor unit as much as possible Lessen the quantity of elbows as much as possible When the length of connecting pipe exceeds 20m check if the lubricant of the system is enough If not add some in the oil trap properly Refrigerants volume inside the outdoor unit suit for connecting pipe with 7m If connecting pipe shall be prolonged refrigerants shall be added accordingly Every 1m prolonged the added volume of refrigerant can refer to the sheet below Allowable max length of pipe is 30m When installing the unit if difference in height between indoor and outdoor unit exceeds 10m one oil loop is required every 6m When the difference in height between indoor and outdoor units is different please refer to Figure 3 2 1 for layout of pipeline Liquid pipe thin pipe Gas pipe heavy pipe Outdoor Unit Gas Pipe Gas Pipe Every 4 6m install an oil trap Indoor Unit Figure 3 2 1 57 INSTALLATION Fixed Frequency U Match Air Conditioners Service Manual 3 3 Specification of Connection Pipe Maximum Length
47. two seconds the indoor ambient temperature sensor error It goes on as per the the evaporator temperature sensor error llow Timi i And it flash Ur zc the temperature error indicating lamp when the temperature sensor error occurs the outdoor ambient temperature senor error the discharge air temperature sensor error omen It goes on off as the high pressure protection is turned Compressor the low pressure protection indicum And it flashes when defrosting 9 Jor the compressor error occurs fivetims Overload protection Discharge high temperature protection It goes on off as the unit Malfunction of communications red Running is turned on off And it the water overflow protection indicating lamp flashes when the indoor the anti freezing error Anti high temperature protection 67 MAINTENANCE Manual Conditioners Service Manual 2 FLOW CHART OF TROUBLE SHOOTING Service engineers shall collect the malfunction information as much as possible and then research it thoroughly Besides they should list those electrical parts which may cause malfunction and determine where the problem really is and finally sort out the perfect solution Observe the status of the complete device but not the partial device It is advised to start from the simple operations when analyzing judging and confirming what has caused t
48. unit Pass the cable though rubber ring Connect the power supply cable to the L N terminals and the grounding screw on the metal electric box Use cable fastener to bundle and fix the cable 2 Air conditioning unit with 3 phase power supply Remove the front panel of the outdoor unit Attach rubber bush to the cable cross hole of the outdoor unit Pass the cable though rubber ring Connect the power cable to the terminal and earthing screws marked L1 L2 13 8 Use cable fastener to bundle and fix the cable Caution For air conditioner with auxiliary heater it is required to connect the power cable to the L1 L2 L3 terminals and the grounding screw 59 NSTALLATION Air Conditioners Service Manual 4 1 4 Connection of Signal Line of Wired Controller Caution Take great care when carrying out the following connections so as to avoid malfunction of the air conditioning unit because of electromagnetic interference The signal line of the wire controller must be separated from the power line and the connecting line between the indoor unit and the outdoor unit n case the unit is installed in a place vulnerable to electromagnetic interference it is better to use shielded cable or double twisted cable as the signal line of the wired controller Open the cover of the electrical box of the indoor unit Pull the signal cable of the wired controller through the rubber bushing Plug the signal line of the
49. wired controller onto the 4 bit pin socket at the circuit board of the indoor unit Use cable fastener to bundle and fix the signal cable of the wired controller 4 1 5 Connection of Wiring Disassemble right side panel and blow out hole for crossing wired on outdoor unit and cover it with cushion rubber Remove cable cleat connect the connecting wire of power supply to the terminal and fix it Fix connecting wire of power supply and signal control wire with attached clamps but without applying external pressure on the terminal parts and then connect the corresponding connector Make sure that the wiring has been fixed Install the front side plate 4 2 Electric Wiring Design Outdoor Unit Indoor Unit N 2 2 IN 9 1 2 3 breaker X X breaker NX NX Power 220 240V 220 240 50Hz GUHN24TK1AO GUCN24TK1AO 24 1 Power cord 3 4 0 mm 7 2 Power cord 3x1 0 HO5VV F 3 Communication Cords 2x0 75mm HO5RN F GUHNS36TK1AO GUCN36TK1A0 1 Power cord 3 6 0 mm HO7RN F 2 Power 3x1 5 mm HO5VV F 3 Communication Cords 2 0 75 HO5RN F INSTALLATION 60 Fixe
50. 0 0 22 oss Conditioner Service Air Conditioners Service Manual Continued 14 Heating Btu h 39215 48000 Btu h 42625 50500 Nominal Capacity W EER COP 2 45 2 66 2 41 2 43 O Poesy _ mmn cmm we em washable syete Standard washable synthete _ EE NN kW Jb 840x840x320 WsD gt H m Weight Net Gross Power Supply 380 415V 50Hz 3Ph 380 415V 50Hz 3Ph Heat Exchange NCNE Cross Fin Coil Cross Fin Coil 8 1 Motor Output 0 149 1 0 149 1 Compressor e Refrigerant __ Capillary Tube Capillary Tube acKage mm x x x x Weight Net Gross 96 105 108 117 Piping 21 PRODUCT Manual Conditioners Service Manual Note D Nominal capacities are based on the follow conditions we gt gt 22 mm DB 27 C 80 6 F DB 35 C 95 F 9 WB 19 C 66 2 F WB 24 C 75 2 F DB 20 C 68 F DB 7 C 44 6 F 9 WB C F WB 6 C 42 8 F Length 2 The air volume is measured at the relevant standard external static pressure 3 Noise is tested in the Semi shield room so it should be slightly higher in the actual operation due to environmental change PRODUCT 22 Fixed Frequency U
51. 1 Removal of the i e Unscrew the retaining screws between the guard board Guard Plate of F tA the side plate and the drainning pipe of the water pump the Water Pump ay Z e Remove the electrica box away e Unscrew the retaining screws between the parts of the water pump and the water receiving tray e Remove the parts of the water pump away 2 Removal of the Parts of the Water Pump MAINTENANCE 92 Service Air Conditioners Service Manual Disassembly of water containing plate Remark Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly Illustration Handling Instruction Unscrew the retaining screws between lower and E ci 1 Removal of the _ upper cover plates Cover Plate We F Remove the lower cover plate together with the water b receiving tray away from the unit Unscrew the retaining screws between the water 2 Removal of the a receiving tray and the cover plate Water Receiving Tray Remove the water receiving tray from the lower cover plate Disassembly of fan and motor Remark Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly Illustration Handling Instruction Unscrew the retaining screws between the components of the fan and the cover plate Remove the whole fan away from the unit 1 Removal of the Part
52. 240V 1Ph 50Hz Heat Exchange 5 Centrifugal fan 2 Drive Direct Motor Output 0 567x1 Air Flow m h 2500 Ext Static Pressure Sound Pressure Level H M L dB A 53 50 48 30 1 5 Outline 1226x815x330 Package 1338x885x345 Weight Net Gross 65 76 Power Supply 380 415V 3Ph 50Hz Heat Exchange Cross e oe Fan C 2 Drain Piping Dimensions WxDxH Motor Output 0 149x2 Type SCROLL Power input 5 35 o Refrigerant Compressor T Charge PRODUCT 12 Conditioners Service Air Conditioners Service Manual Continued 6 gt W Btu h k Btu h Cooling 23200 Nominal Capacity N w Heating EER COP Power Supply m m k k rp k k m m k 24900 2 72 2 81 220 240V 50Hz 1Ph Ext Static Pressure Sound Pressure Level H M L dB A 0 03x1 1400 1270 1170 51 49 48 Air Filter Standard washable synthetic Drain Piping 32 3 840 840 240 W W IW W 3 h m Dimensions m WxDxH 963963325 m m g W m W g m m g O 10281003130 Weight Net Gross 27 36 Power Supply Heat Exchange Type Centrifugal fan 220 240V 50Hz 1Ph Cross Fin Coil om _ _ Pane
53. 3 Malfunction of Outdoor Ambient Thermistor Failure of outdoor Ambient sensor Check the direction of the plug and socket Check if the plug of the temperature sensor is correctly connected with socket on the mainboard Remove the sensor to check if the resistance value is ok Replace temperature sensor Replace mainboard of the indoor uint Malfunction display Malfunction of Exhaust Temp Thermistor Failure of Exhaust Temp sensor Check the direction of the plug and socket Check if the plug of the temperature sensor is correctly connected with socket on the mainboard Remove the sensor to check if the resistance value is ok Replace temperature sensor Replace mainboard of the indoor uint Malfunction display F5 Malfunction of Indoor Room Thermistor at Wired Controller Failure of indoor room sensor at Wired Controller Wired Controller of the indoor uint 73 MAINTENANCE Manual a lt T T T lt T Air Conditioners Service Manual 3 WIRING DIAGRAM 3 1Wiring Diagram Outdoor Units 1 GUHN24TK1AO a 1BN OUTDOOR UNIT a ao 8BU N RD 6 474 5BU PE
54. 53 51 48 Air Filter DEM Standard washable synthetic 32 3 840 840 320 963 963 409 950 950 60 1028 1043 130 32 41 m D 3 3 Dimensions Outline WxDxH Panel Dimensions Outline WxDxH 3 Package Weight Net Gross Power Supply 220 240V 50Hz 1Ph Heat Exchange Cross Motor Output 0 093x1 Fan Motor Speed 920 780 Type SCROLL Motor Output Type R22 s 5 X Compressor Refrigerant Control Capillary Tube Charge Outline 1018x412x840 Package EMEN 1103 453 1000 Weight Net Gross 92 100 Liquid 1 2 Gas 3 4 Connections Max Length Max Height Difference Dimensions WxDxH d 91 99 O o 15 PRODUCT Manual Conditioners Service Manual Continued 9 Coolin Nominal 7 Btu h 34100 34100 Capacity 11 72 Btu h 40000 2 56 3 04 2 56 awe _ Hest ange me em m O O we SS Sponges Package m 9990640 Package mm Power Supply 380 415V 50Hz 3Ph Heat Exchange __ Cross fan Motor Output k Fan Motor Speed rp Compressor Motor Output kW k m
55. 5343 ________ _____ _ _____ 0 _ 1 3 Tesme Ws Ww e _____ 19 Big Handle 26235001 COo www 1 _ m m Amm m GmWWw 1 2 gt I 101 MAINTENANCE Manual Air Conditioners Service Manual Model GUCN36TK1AO Exploded Views GUCN36TK1AO No Name of part Product Code CF021W1420 1 19 Terminal board 420101851 MAINTENANCE 402 Fixed Frequency U Match Air Conditioners Service Manual Model GUhN36TK1AO Exploded Views MAINTENANCE 103 18 19 20 4 el AL TB B B Gg gj 210777777 17 A 16 n N LEN Q TA 177 7 2 A QVE C LL 26 23 24 23 29 30 11 10 Manual E Conditioners Service Manual GUhN36TK1AO 3 Fo s 1 spes Piste Sub assy wwe 1 s Condenser suppor piate Sussy 3 amp
56. 8 0 22 Service Air Conditioners Service Manual Continued 12 Heating Nominal Capacity Btu h 23200 28600 i Btu h 24900 32073 Power 2 72 2 81 2 62 8 94 220240 _ cosso ____ mmn wwe em Standard washable synthete _ 220240 __ Heat Exchange _____ Axial fan Axial fan ae ee L m Compressor ____ ___ R RB 19 PRODUCT Manual Conditioners Service Manual Continued 13 Coolin 7 Btu h 34100 34100 Capacity 11 72 11 72 Heating Btu h 40000 40000 EER COP 2 5 3 13 2 56 3 04 ______ 2202 0 220240v s0HeAPn _ _ we Standard washable synthete _ 220240 VSO Ph _ _ _ Axial fan Axial fan en ee s Compressor we ___ R 2
57. F1 The reset for the malfunction of evaporator temperature thermistor is automatic In air supply mode the screen will display the malfunction code F1 However the indoor unit fan will run normally in this case Malfunction of condenser temperature thermistor is detected when there is a short circuit or an open circuit in the condenser temperature thermistor for more than 5 Malfunction of sec The system will be shut down in cooling operation Condenser temperature aie condenser temperature ilem ctor and dehumidifying operation The screen will display the thermistor malfunction code F2 The reset for the malfunction of condenser temperature thermistor is automatic In air supply mode the screen will display the malfunction code F2 However the indoor unit fan will run normally in this case Malfunction outdoor ambient temperature thermistor is detected when there is a short circuit or an open circuit in F3 Malfunction of indoor room temperature Indoor room thermistor thermistor at air intake the outdoor ambient temperature thermistor for more than Malfunction of outdoor 5 sec The system will be shut down in cooling operation Outdoor ambient hea ambient temperature dehumidifying operation screen will display the thermistor P malfunction code F3 The reset for the malfunction of condenser temperature thermistor is automatic In air supply mode the screen will display the malfunction code F3
58. I GKH36TK1B2I GKH42TK1B2I GKH48TK1B2I Figure 1 3 2 The drilling of holes In the ceiling must be done by the professional personnel Installation stands for main body of the unit O Ceiling Above 20 Figure 1 3 3 Cautions The dimension for the ceiling openings with marks can be as large as 910mm But the overlapping sections of the ceiling and the decorated surface boards should be maintained at no less than 20mm INSTALLATION 46 Fixed Frequency U Match Air Conditioners Service Manual 3 Main body of hoisting air conditioner Nut supplied at scene Gasket attachment lt 4 N E TI Hoisting stand B Gasket anchor ttach t Tighten double nuts Bolt of one of the angle of outlet pipe is fix on the angle of the drainage slot ua Nus of the ceiling opening lorc X Install cardboard Fix the hoisting stand firmly Water lever ow 2 Bolt attachment Polyethylene pipe Bolt attachment Fix install Figure 1 3 4 The primary step for install the indoor unit When attach the hoisting stand on hoisting screw do use nut and gasket individually at the upper and lower of the hoisting stand to fix it The use of gasket anchor
59. LATION Manual Conditioners Service Manual INSTALLATION 1 INDOOR UNIT INSTALLATION 1 1 Installation of Duct Type 1 1 1 Before Installation After receiving the unit check if there is any damage during transportation If there is damage on the surface or inside inform the transportation company or equipment supplier in written form immediately After receiving the unit check the unit and its accessories according to the packing list Confirm that the model is the same and the unit is intact At the same time check the specification and quantity of the accessories Select the correct route and method of transportation to avoid damage of the unit and any accident incurred To avoid damage to the unit and to be on the side of security consideration it is advised to move the unit with its package Even if that is forbidden in special situation don t remove the carton to avoid looseness and drop Check if the installation base is solid When the unit is installed in the metal part of the building make sure it is insulated electrically and conforms with related standards Make sure that the installation site is far away from where the flammable or explosive substances are stored to avoid explosion or fire may occur by leakage of such substances 1 1 2 Installation Site Ensure the top hanging piece has strong strength to withstand the weight of the unit The drainage pipe has convenient flow of water
60. Match Air Conditioners Service Manual 4 2 Electrical Data Outdoor unit Compressor FanMotor Fuse Breaker Min Power Model Power Supply E WM MEN GENE M V Ph Hz 24 220 240 1 50 11 20 2 E 0 240 1 50 14 80 GUCNS36TK1AO GUHN36TK1AO gt 240 1 50 17 00 GUHN36TK1AO GUCN36TM1AO GUHNSGTM1AO 415 3 50 GUHN36TM1AO GUCNA2TM1AO GUHN42TM1AO 415 3 50 GUHN42TM1AO GUCNA8TM1AO 380 415 3 50 GUHN48TM1AO ERA 380 415 3 50 GUHN60TM1AO Indoor unit A A 220240150 100 6 o 220240150 100 6 w Notes RLA Rated load amperes LRA Locked rotor amperes FLA Full load current 23 PRODUCT Fixed Frequency U Match Air Conditioners Service Manual 5 PIPING DIAGRAM e nS gt J Outdoor Heat Exchange 4 way Valve Compressor lt Capillary Tube Outdoor Vopour Liquid Seporator Stop Valve Capillary Tube L P Indoor Heating OL Cooling Indoor Heat Exchange PRODUCT 24 Service Air Conditioners Service Manual CONTROL 25 CONTROL Manual Conditioners Service M
61. OOO CR Side Pate 0 wem 31 Sew a m Gmwempe 1 _____ ms 34 _ 3 umm 34 3s Suppor m Compressorana tings 2 1 3s _____ 1 3 ms 3 meme 1 embed owe x 3 31 3 emma 3 _ 3s 3 PmeReese Protector 202 1 3 transformer I I gt I lY gt 109 MAINTENANCE c 9 5 5 _ 2 o gt lt ce 59 gt gt 2 o I 55 22 Og D lt LL c 3 58 xs gt lt MAINTENANCE 110 Fixed Frequency U Match Air Conditioners Service Manual GUHN42TM1AO Z CF021W0451 Quantity Name of part Product Code Part code 22415005 01435007 01315414 26235253 10335010 left handle 26235401 1 m o 1 9 CF 1 P Weer
62. Re fasten and screw down retaining screws with screwdriver 91 MAINTENANCE Manual Air Conditioners Service Manual 4 2 Indoor Unit 4 2 1 Duct Type Disassembly of filter screen for return air Remark Make sure that the power supply is cut off before disassembling and protect all parts during disassembly Do not put filter screen near the high temperature heat source Illustration Handling Instruction e Compress the filter screen for return air down on the guide slot sponge and remove according to the direction shown by the arrow There are 2 filter screen for return air Disassembly of filter screen for return air Disassembly of electrical box cover panel and electrical box Remark Make sure that the power supply is cut off before disassembling and protect all parts during disassembly especially the electrical components Do not dampen or hit them Illustration Handling Instruction e Unscrew the retaining screws on the cover of the electrical box e Remove the cover of the electrical box away 1 Disassembly of electric box cover e Remove away the power lines of the electrical compoments inside the electrical box such as motor etc Notes record the accurate position of each line before the removal e Unsrcrew the retaining screws between the electrical box casing and the side plate e Remove the components inside the electrical box away 2 Disassembly of electric box Handling Instruction
63. abnormal operation of the water pump The following treatment should be taken under this circumstance Ensure that the smoke trap above cooker has enough capacity to obviate lampblack to prevent the indraft of the lampblack by the air conditioner Keep the air conditioner far from the kitchen so that the lampblack would not be indraft by the air conditioner 45 INSTALLATION Manual Conditioners Service Manual 1 2 3 Dimension Data 1 Important notice To guarantee the good performance the unit must be installed by professional personnel according with this instruction Please contact the local Gree special nominated repair department before installation Any malfunction caused by the unit that is installed by the department that is not special nominated by Gree would not deal with on time by the inconvenience of the business contact 2 Dimension of ceiling opening and location of the hoisting screw M10 Refrigerant pipe m m P 3 9 5 z ps e 2 5 o gt O se ERRORES EN s EUS glc oO o S O S O G e N Hoisting screw X 4 840 Indoor unit 890 Ceiling opening a 950 Decorated surface boards GKH24TK1BI GKH30TK1BI GKH36TK1BI GKH42TK1BI GKH48TK1BI GKH24TK1B2I GKH30TK1B2
64. ambient temp approachs the preset temp as soon as possible About LOCK Press simultaneously to lock or unlock the keyboard If the remote control is locked the icon will be displayed on the LCD in which case press any button the mark will flicker for three times If the keyboard is unlocked the mark will disappear About switch between Fahrenheit and Centigrade Under status of unit off press MODE and buttons simultaneously to switch and F 17 7 CONTROL 32 Air Conditioners Service Manual 3 2 Wired Controller Hour onorr aT Enteri Cancel A Fan o Funetion Timer Fig 3 2 1 Displaying Part 3 2 1 Operation View 5 Fig 3 2 2 Silk screen of buttons Table 3 2 1 Function of Button 1 D Function selection and canceling 2 Press it for 5s to enquiry the outdoor ambient temperature Running temperature setting of indoor unit range 16 30 C 2 Timer setting range 0 5 24hr 3 Switchover between quiet auto quiet Setting of high middle low auto fan speed Setting of cooling heating fan dry mode of indoor unit Function Switch over among these functions of air sleep turbo save e heater blow quiet Timer Timer setting On off Turn on off indoor unit Press Mode and Afor 5s under off state of the unit to enter cancel key memory function If memory is set in
65. anual Air Conditioners Service Manual Outdoor Unit __ Indoor Unit N N 2 2 ILTIL2 L3 N el NN 2 breaker x breaker 11213 N L N PE Power 480 415V 5 50Hz Power 220 240V 2 Power cord 3x1 5mm GUHN42TM1A0 GKHA2TK1BI GUHNA8TM1AO GUCNA8TM1AO GKHA8TK1BI GUHN42TM1A0 GKHA2TK1B2l GUHNA8TM1AO GKHA8TK1B2I 1 Power cord 5x4 0 mm HO7RN F 2 Power cord 3x1 5 HO5VV F 8 Communication Cords 2x0 75mm 4 3 Specification of Power Supply Wire and Air Switch 4 3 1 Outdoor Unit Capability of Air Switch Minimum Sectional Minimum Sectional Area BRE i y Area of Earth Wire of Power Supply Wire 3 3 2 INSTALLATION 62 Air Conditioners Service Manual 4 3 2 Indoor Unit 1 Duct Type Capabilitv of breaker Minimum Sectional Minimum Sectional Area Power Supply P y Area of Wire of Power a Wire V Ph Hz 220 240 1 50 GFH6OTK1BI Bl Cassette Capability of Air Switch Minimum Sectional Minimum Sectional Area a Wire of Power Wire GKH24TK1BI GKH30TK1BI GKH36TK1BI GKHA2TK1BI GKH30TK1B2I GKH36TK1B2I
66. anual CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Dry Operation The operation flowchart for cooling dry operation is as follows Power On Unit starts and runs at the cool or dry mode Indoor fan runs If satisfy the starting condition of the compressor or not Comp and outdoor fan run Temp of indoor Set temp Comp and outdoor fan stop If the compressor stops for 3 minutes or not CONTROL 26 Fixed Frequency U Match Air Conditioners Service Manual 1 2 Heating Operation The operation flowchart for heating operation is as follows Power On Unit starts and runs at the heat mode If satisfy the starting condition of the compressor or not Comp and outdoor fan run Avoid wind only when comp starts Temp of indoor N gt Set temp Comp and outdoor fan stop If the compressor stops N for 3 minutes or not 27 CONTROL Manual T T T X Air Conditioners Service Manual 2 MAIN LOGIC 2 1 Cooling Mode Cooling mode operation is as follows Cooling Mode ON Manually OFF Compressor Outdoor uint Fan Indoor uint Fan 4 way Valve 5S 1 Cooling mode will b
67. board can prevent gasket break off Use install cardboard Please refer to the install cardboard about the dimension of ceiling opening The central mark of the ceiling opening is marked on the install cardboard Install the install cardboard on the unit by bolt 3 piece and fix the angle of the drainage pipe at the outlet vent by bolt Adjust the unit to the suitable install place Check if the unit is horizontal Inner drainage pump and bobber switch are included in the indoor unit check if 4 angle of every unit are horizontal by water lever If the unit is slant toward the opposite of the coagulate water flow there may be malfunction of the bobber switch and lead water drop Back out the gasket anchor board used to prevent gasket break off and tighten the nut on it Back out the install cardboard Cautions Please do tighten the nuts and bolts to prevent air conditioner break off 1 2 6 Drain Piping Work 1 Installation of Drainage Pipeline When connecting the drainage pipe with the unit do not apply excessive force to the pipeline at the side of the unit The fixing position of the pipeline shall be near the unit Purchase general purpose hard PVC pipe locally to be used as the drainage pipeline When carrying out connection place the end of the PVC pipeline into the drainage hole Use flexible drainage tube and tighten it with thread loop Never use adhesive to connect the drainage hole and the flexible drainage tube
68. ct Installation of Rectangular Air Duct as shown in Fig 1 1 11 Fig 1 1 11 2 Air Intake Duct 6 Main Air Supply Duct 4 Ama INSTALLATION 42 Fixed Frequency U Match Air Conditioners Service Manual Installation of Round Air Duct as shown in Fig 1 1 12 EK Transition Air Duct Air Intake Duct mE GEN Air Supply Duct 7 Air Intake Shutter Diffuser Joint Note The above just shows installation of back air inlet but bottom air inlet can be applied according to the actual situation Its installation is similar to that of back air inlet At least one air outlet shall keep open among all air outlets Round air duct can also be adopted which supply air to room by round heat retaining hose Both air supply duct and air intake duct need to be thermal insulated 2 Installation of Fresh Air Duct only for the models with 5000W cooling capacity When connecting fresh air duct remove baffle plate of fresh air as Fig 1 1 13 If fresh air is not applied seal the gap of baffle plate of fresh air with sponge Install round flange to connect fresh air duct as Fig 1 1 14 Both air duct and round flange duct need to be well sealed and thermal insulated Fresh air shall be the air which has been filtered e Cut off E Fresh air baffle Round air pipe Cut off Fig 1 1 13 Fig 1 1 14 3 Installation of Air Intake Duct only for the models with 18KBtu h cooling
69. d Frequency U Match Conditioners Service Manual Outdoor Unit Indoor Unit N N 2 2 LIL2IL 5 LIN 213 11215 N PE N PE Power 60 415V SN SOHZ 220 240 50Hz GUHN36TM1AO GUCN36TM1AO GFH36TK1BI 1 Power cord 5 2 5 HO7RN F 2 Power cord 3x1 5 HO5VV F 8 Communication Cords 2 0 75 HOBRN F 2 GUCNA2TM1AO 42 GUHNA8TM1AO GUCNA8TM1AO GFHA8TK1BI 6 GUCNGOTM1AO GFH60TK1BI 1 Power cord 5x4 0 mm HO7RN F 2 Power cord 3x1 5 HO5VV F 8 Communication Cords 2 0 75 Outdoor Unit Indoor Unit NO 22 breaker LN Power 220 240V 5082 breaker XX L N PE POWERZZU 240 D HZ 2 Power cord 3 1 0 mm GUHN36TK1AO GUCN36TK1AO GKH36TK1BI 1 Power cord 3x6 0mm HO7RN F 2 Power cord 3x1 5mm HO5VV F 8 Communication Cords 2x0 75mm HO5RN F GUHN36TK1A0 GKH36TK1B2I 1 Power cord 3x6 0mm HO7RN F 2 Power cord 3x1 0mm HO5VV F 8 Communication Cords 2x0 75mm HO5RN F 61 INSTALLATION M
70. dling Instruction 1 Loosen the screws e Use screwdriver to loosen the screws fixing the water tray fixing the water tray 2 Remove the water tray e Remove the water pump and replace it 3 Pull out the water NN outlet pipe and loosen e Pull out the water outlet pipe and use screwdriver to the screws fixing e NANI T loosen the screws fixing the water pump the water pump Lax 2 MAINTENANCE 96 7 Fixed Frequency U Match Air Conditioners Service Manual 18 19 Name of part CF021W1401 Front Side Plate Axial Flow Fan Motor Support Sub Assy Condenser Assy Mid clapboard sub assy 01233024 12 Discharge Tube Sub Assy Sub Assy 445 OOOO o 4 Ama Wem 5 03 mas 1 Ww Temmibed wow 1 _ RexSdePeeSudey w Reo 1 _ 3 _ ______ 1 m 1 m ____ 0 1 m 9 1 a omon 1 35 Commwoadf ms 4 35 _ m 8900000 1 97 MAINTENANCE 5 EXPLODED VIEWS AND PART LIST 5 1 Outdoor Unit Model GUCN24TK1AO Exploded Views 3 Wi YS 1 __ JP MN 2
71. door unit will resume original setting state after power failure and then power recovery If not indoor unit is defaulted to be off after power recovery Memory function is defaulted to be set before outgoing 2A 2A Upon startup of the unit without malfunction or under off state of the unit and press A V key at the same time for 5s in to lock state In this case any other 6 buttons won t respond the press Repress A V key for 55 to quit lock state 4 Mode Under the off state of the unit press Mode Function and 5 Function button for 5 seconds to set the address Setting Ambient Temperature Under off state of the unit press Function and Timer buttons continuously Sensor and three Grades for 5s to go to the debugging menu Press Mode button to adjust of Speed for Indoor Fan the setting items and A or button to set the actual value 4 Mode and Memory function 5 Function And 7Timer Continuously press Function and buttons for 5s to go to the Enquiry of Historical Errors enquiry state In this state press Enter Cancel button to quit or it will automatically quit after there is not any operation of button in 30min 5 Function and 6V 33 CONTROL Manual Air Conditioners Service Manual 3 2 2 Display View SHIELD MEMORY 12 13 14 15 1617 18 19 20 21 Fig 3 2 3 LCD display Table 3 2 2 OR s com
72. down After stopping the compressor for 3 mins if the E4 discharge temperature thermistor detects that the discharge temperature thermistor temperature is lower than 90 C for more than 5 sec the compressor will re start After retry for three times the malfunction can not be corrected and can not be cancelled automatically Actuation of High pressure switch High pressure switch Indoor anti freezing Evaporator temperature Protection thermistor of indoor unit After the startup of the compressor if the overload switch opens for more than 3 sec the malfunction of the overheat for the compressor will be displayed on the screen After the compressor has been stopped for 3 mins if the malfunction has been recovered the compressor will re start When overheat activates 3 times within 30mins the malfunction of overheat will be determined according to the retry 3 times The reset for the malfunction of overheat is manual reset Therefore the malfunction of overheat cannot be recovered automatically Press ON OFF button to recover Check the communication state between the indoor unit PCB and outdoor unit PCB micro computer Abnormality is detected when the correct communication is not conducted in 30se When the malfunction of communication occurs the system will be shut down and LED on the remote controller Compressor overheat Compressor Malfunction of Communication communications will blink and the screen
73. e 15K 20K 50K 1 Switch Switch Environment Pipe Discharge Gas Temp Sensor Temp Sensor Temp Sensor Fan Motor Fan Motor 12 GUCN60TM1AO Outdoor Unit ner 2 zd Unit Converse Terminal Board Protecto lt s T 1x 3 11 BU Over Current Protector Reverse Protector Transformer xto ora OvC COMP 14 12 X9 OFAN L 1 Environment Discharge Gas Temp Sensor Temp Sensor 79 MAINTENANCE toners Service Manual Air Conditioners Service Manual 3 2 Wiring Diagram Indoor Units 3 2 1 Duct Type Model GFH24TK1BlI GFH30TK1BI GFH36TK1Bl GFH42TK1BI GFH48TK1Bl GFH60TK1BI INDUUR UNIT E Dp WH n L POWER T IRD SWH 10 11 SBN E X17 Close 0 3 PRD X18 pen AC_N FAN EN ue y TC ce DG BUIYE BKWHRDIBN CLUSE Fresh Valve Commo
74. e entered In that case the compressor and outdoor unit fan will start and also the indoor unit fan will run at the setting speed Ta 6 ST t 1 C Cooling OFF status will be entered In that case the compressor and outdoor unit fan will stop while the indoor unit fan will run at the setting speed 2 2 Dry Mode Dry mode operation is as follows Dehumidification Mode ON Manually OFF Compressor Outdoor uint Fan Indoor uint Fan 4 way Valve Je Time 15 1158 58 2 Cooling mode will be entered In that case the compressor and outdoor unit fan will start and also the indoor unit fan will run at the low speed TambsTset 2 C Cooling OFF status will be entered In that case the compressor and outdoor unit fan stop running Tset 2 C lt Tamb lt Tset 2 C ON OFF status will alternate circularly That is after the compressor is running for 6 minutes consecutively it will stop for another 4 minutes and then repeat again and again In that case the indoor unit fan runs at a low speed CONTROL 28 E i Conditioner Service Air Conditioners Service Manual 2 3 Heating Mode Heating mode operation is as follows Heating Mode ON Manually OFF Compressor RE OFF Outdoor uint Fan Running at Running at blowin Setting speed surplus heat OFF Indoor uint Fan Auxiliar
75. e is filth blockage to indoor Refer to Care and outdoor filter or heat exchange fin Maintenance Y N Mainly check the inlet and outlet of main pipe connecting with each indoor unit System pipeline is blocked capillary of indoor and outdoor units Replace the parts like filter capillary and so on MAINTENANCE 68 Fixed Frequency U Match i Conditioners Service Manual Malfunction display Actuation of low pressure switch Compressor Low Pressure Protection Check if the pressure is really low pressure with the measurement of a manometer Check if refrigerant in the system is Refer to the high pressure protection insufficient eck if operation mode of indoor uni Charge refrigerant according to the amount specified in the nameplate and calculated additional amount is properly set Check if gas valve and liquid valve Refer to Instruction Manual of indoor unit are completely open Check if the panel of outdoor unit is Completely open the valve firmly closed heck if the air return and supply from hea exchanger of indoor unit and outdoor unit is smooth Check if indoor unit fan and outdoor unit fan run Check if swing louver of indoor unit is completely open Check if there is filth blockage to ind
76. ed wires for componets like for components CRE 14 L compressor motor like motor etc N Attention Record right position connection during disassembly of connecting wires e Disassemble retaining screws between electrical parts box and middle clapbord motor support as well as right panel with screwdriver 3 Disaasembly of sub assy of electrical box Go Ges GS CG S GS UU Ds e Hold and remove them upward to disconnect them with middle partition e Remove sub assy of electric box 4 Removal of sub assy of electrical box MAINTENANCE 90 5 Install new sub assy of electric box 6 Connection of power supply wires of each component 7 Install cover of electric box UOS G3 US US UC D N O O O Gs Gs GS GY N Fixed Frequency U Match Air Conditioners Service Manual e Position accurately the new sub assy of electrical box e Re fasten the sub assy of electrical box and screw down with screwdriver e Re connect the connection wires of components with right position according to the order of disassembly e Position accurately the new cover of electrical box e
77. ervice Air Conditioners Service Manual 4 1 2 Connection between Wire and Terminal of Patch Board Caution Before installing the electrical equipment please pay attention to the following matters which have been specially pointed out by our designers 1 Check to see if the power supply used conforms to the rated power supply specified on nameplate 2 The capacity of the power supply must be large enough The section area of wiring in the room 3 shall be larger than 2 5mm 4 The lines must be installed by specialists 5 An electricity leakage protection switch and an breaker with gap between electrode heads larger than 3 mm shall be installed in the fixed line 1 Connection of single wire Use wire stripper to strip the insulation layer 25mm long from the end of the single wire Remove the screw at the terminal board of the air conditioning unit Use pliers to bend the end of the single wire so that a loop matching the screw size is formed Put the screw through the loop of the single wire and fix the loop at the terminal board 2 Connection of multiple twisted wires Use wire stripper to strip the insulation layer 10mm long from the end of the multiple twisted wires Remove the screw at the terminal board of the air conditioning unit Use crimping pliers to connect a terminal matching the size of the screw at the end of the multiple twisted wires Put the screw through the terminal of the multiple tw
78. ervice Manual Continued 2 mw mm Btu h 40000 220 240V 1Ph 50Hz Heat Exchange Cross Fin Coil Drive Direct ws EN Fan 0 507 Pa BA m m m k k rp k k m m k Nominal Capacity Heating Centrifugal fan 2 Ext Static Pressure Sound Pressure Level H M L dB A Q N 52 50 48 Drain Piping 20 1 2 1226 775 290 Dimensions Outline 1338x837x305 53 61 Weight Net Gross 380 415V 3Ph 50Hz Power Supply Cross Fin Coil W ____ Axial fan Motor Output 0 093x1 Fan Motor Speed 920 780 o o Compressor o Wwe o WD Weight Net Gross 90 98 Connections Max Length Max Height Difference SCROLL 3 65 R Capillary Tube NO N 1018 412 840 1103 453 1000 Q 89 97 OO 9 PRODUCT Manual Conditioners Service Manual Continued 3 Coolin Nominal Btu h 41000 41000 Capacity Btu h 47800 2 40 kW EER COP W W 2 31 3 21 Power Supply 220 240V 1Ph 50Hz Heat Exchange Cross Centrifugal fan 2 Direct Motor Output 0 507x1 Air Flow m h 2000 1900 1800 Ext Static Pressure Sound Pressure Level H M L 52 50 48 20 1 2 Outline 1226 775 290
79. et vent or test hole As shown in Figure 1 3 12 Check the drain in the state of refrigerating after installation of the electric circuit Way of immiting Drain hose Drain vent for repair use plastic stopper is included drain the water in waterspoit by this outlet vent V J __ Test hole Test hole cover __ Plastic water The length of the pipe should about 100mm Immiting water from the outlet vent terminal Figure 1 3 12 1 2 7 Installation of panel Set the panel to the indoor unit body by matching the position of the swing flap motor of the decoration panel to the piping position of the panel to the piping position of the indoor unit as shown in Figure 1 3 13 Indoor unit Sealing material Ceiling r4 5 8mm Air outlet Panel Figure 1 3 13 Hang the latch which is located on the opposite side of the swing flap motor on the panel temporarily 49 INSTALLATION Manual Air Conditioners Service Manual to the book of the indoor unit 2 Positions Temporarily hang the remaining 2 latches to the hooks on the sides of the indoor unit Be careful not to let the swing motor lead wire get caught in the sealing material Screw all 4 hexagon head screws located right beneath the latches in approximately 15mm Panel will rise Adjust the panel by turning it to the arrowed direction in Fig 4 so that the ceiling o
80. etal part of the building must make sure electric insulation and make sure that it conforms with related standards Make sure that the installation site is far away from where the flammable or explosive substances are stored to avoid explosion or fire may occurred by leakage of such substances 2 2 Installation Site To ensure the unit in proper function selection of installation location must be in accordance with following principles Outdoor unit shall be installed so that the air discharged by outdoor unit will not r eturn and that sufficient space for repair shall be provided around the machine The installation site must have good ventilation so that the outdoor unit can take and exhaust enough air Ensure that there is no obstacle for the air intake and exhaust of the outdoor unit If there is any obstacle blocking the air intake or exhaust remove it Place of installation shall be strong enough to support the weight of outdoor unit and it shall be able to insulate noise and prevent vibration Ensure that the wind and noise from the unit will not affect your neighbors Avoid direct sunshine over the unit It is better to set up a sun shield as the protection Place of installation must be able to drain the rainwater and defrosting water Place of installation must ensure the machine will not be buried under snow or subject to the influence of rubbish or oil fog installation site must be at a place where t
81. gular as AUTO COOL DRY HEAT 13 Mode button lt i us ili LCD Screen Display the status of remote information Temp button 31 CONTROL Manual Air Conditioners Service Manual 3 1 2 Display View AUTO gt 10 HERLTR SLOW 9 P Rr TT E 2 7 __ e dg om e 4 led gt Fig 3 1 2 Table 3 1 2 Display Function description Auto running Cool running Run Mode gt Dry Running v Fan Running Heat running Heat and Cool unit only Turbo function Turbo function is on Sleep mode Sleep mode is on awanap Auto fan speed Low fan speed 1 F FAN Middle fan speed FAN High fan speed About AUTO RUN When AUTO RUN mode is selected the setting temperature will not be displayed on the LCD The unit will be accordance with the room temp automatically to select the suitable running mode and to make ambient comfortable About TURBO function If start this function the unit will run at super high speed to cool or heat quickly so that the
82. he air exhaust outlet does not face strong wind Lift the outdoor unit with indicated holes for hoist Protect the unit from collision when lifting in case it will rust Rubber shock pad and rubber junction shall be applied to meet the requirements of noise and vibration Installation dimensions shall comply with the instruction manual and the outdoor unit shall be fixed Installation of the unit shall be executed by professionals 2 3 Cautions for Installation The installation of the outdoor unit shall guarantee that the discharged air will return and enough service space shall be reserved around the unit Installation site shall be good ventilation so that the unit can intake and discharge adequate air Make sure that there is no obstruction for air inlet and out let If there is please remove such obstructions f the unit is installed on the solid surface fix the unit with M10 bolts and nuts and make sure the erection and horizontality of the unit Lift the outdoor unit with indicated holes for hoist Protect the unit from collision when lifting in case it will rust Rubber shock pad and rubber junction shall be applied to meet the requirements of noise and vibration f drain pipe shall be installed insert the joints of drainage into outlet in base plate of the outdoor unit And then connect the joints with an drain pipe Wall bushing shall be installed when pipe goes through the wall Installation dimensio
83. he malfunction and then conduct the complicated operations such as the removal of devices replacement of parts and charge of refrigerant Find out the cause of the malfunction As several malfunctions may occur at the same time to the unit so a comprehensive analysis is needed to make the cause found out reliable and authentic Malfunction display E1 Actuation of high pressure switch High pressure protection N Replace the outdoor unit mainboard Check if pressure switch is Check if the pressure is really high pressure with the measurement of a manometer Y Y Replace pressure N Switch Refer to Instruction Check if operation mode of ndoor unit Mani i Indo is properly set Y Check if gas valve and liquid valve N Completely open the are completely open valve Y E N Check if the panel of outdoor unit is WT firmly closed icd Y Check if the air return and supply from heat Remove the banter exchanger of indoor unit and outdoor unit is smooth Y N Check if indoor unit fan and outdoor unit signal run Y N Check if swing louver of indoor unit is Measure swing motor and completely open signal input Y N Check if ther
84. hich is shown as below Level Instrument T gt Air Supply Enlarged View ondensate Drainpip lt As the inside of the unit is in the negative pressure status it is required to set up a backwater elbow The requirements is A B2P 10 20 mm P is the absolute pressure inside the unit The unit of the pressure is Pa Figure 1 1 6 39 INSTALLATION Manual Air Conditioners Service Manual 1 1 4 Dimension Data Air supply 1 Airlntake 26 5 8 a Gas Pipe Liquid Pipe Drainage Pipe suitable GFH24TK1BI GFH30TK1BI GFH36TK1BI 2 GFHA8TK1BI GFH60TK1BI Unit mm Connecting Pipe i i Diameterxwall thickness GFH24TK1BI 1101 515 820 1159 1270 530 1002 160 235 268 3 8 5 8 20 1 2 GFH30TK1BI GFH36TK1BI GFH42TK1BI 1011 748 820 1115 1226 775 979 160 231 290 1015 788 820 1115 1226 788 979 160 261 1 2 Accessories Sheet
85. ing for 10min or Tcon 210 C defrosting finishes Then 4 way valve and the outdoor unit fan will start and also the compressor will run forcibly Besides the indoor unit fan will run at the mode of cold blast air proof 29 CONTROL Manual Air Conditioners Service Manual 2 5 Fan Mode Air Supply Mode Manually OFF OFF Compressor Outdoor uint Fan Running setting speed OFF Indoor uint Fan 4 55 indoor unit will firstly run high speed 5 seconds then run setting speed 3 CONTROLLER Notes 1 This remote control is universal It could be used for many units Some buttons which not available in this unit will not be described below 2 Means there is this function for these units 3 1 Remote Controller 3 1 1 Operation View g HEALTH BLOW inal gt HOUR 14 J Govor 20 is 2 3 12 A 11 5 6 TIMER 10 7 SLEEP 9 Fig 3 1 1 CONTROL 30 WIITUS SI IIQIKIK NUJ O HE OIxI i ioe Service Air Conditioners Service Manual Table 3 1 1 Function descripto 1 button After unit when unit is state press the button to start the u
86. isted wires and fix the terminal at the terminal board A Single wire B Multiple twisted wire Solderless Terminal _ Insulation layer If the power supply flexible line or the signal line of the equipment is damaged only use special flexible line to replace it Before connecting lines read the voltages of the relevant parts on the nameplate Then carry out line connection according to the schematic diagram The air conditioning unit shall have special power supply line which shall be equipped with electricity leakage switch and air switch so as to deal with overload conditions The air conditioning unit must be grounded to avoid hazard owing to insulation failure All fitting lines must use crimp terminals or single wire If multiple twisted wires are connected to terminal board arc may arise All line connections must conform to the schematic diagram of lines Wrong connection may cause abnormal operation or damage of the air conditioning unit Do not let any cable contact the refrigerant pipe the compressor and moving parts such as fan Do not change the internal line connections inside the air conditioning unit otherwise the manufacturer would not liable for any loss or abnormal operation arising from wrong line connections 4 1 3 Power Cable Connection WLUGZ 1 Air conditioning unit with single phase power supply Remove the front panel of the outdoor unit Attach rubber bush to the cable cross hole of the outdoor
87. it Capacitor TC Transformer x1 1 4 X2 N Terminal Board AP PCB PM Reverse Protector Contactor 125 ME e RD BK BU 23WH W 18BK X14 12V 25RD 19BK 26RD Environment Pipe Discharge Gas Temp Sensor Temp Sensor Temp Sensor 10 GUCNA2TM1AO GUCNASTM1AO XT1 or Outdoor Unit u elt L2 12 DN 8 b Ho RD BK BU PE Transf op Contact 1 2 3 77RD 16WH X4 HPP 14 12 Environment Discharge Gas Temp Sensor Temp Sensor MAINTENANCE 78 Service Air Conditioners Service Manual 11 GUHN60TM1AO Outdoor Unit o L1 12 POWER 13 PE I BK BU N Indoor C Capacitor wig 168 Unit E 2 Transformer WIS Converse 12RD Protector xT Terminal Board ransformer lt lt E lt 2 11 BU FA Over Current Protector W1 W2 W3 TR OUTKKS PCB Reverse Protector X15 N AP 4 gt AC Contactor 3 HPP X11 4V X3 LPP gt gt 27 06 xi ovc coMp 29 X14 12V gt lt lt X9 OFAN L W26 GY W30 8 Wi 8 8 88 FA he Over HP Current Protector Y High Pressure Pressur
88. l Dimensions mm 950 gt 950 60 om 4 Motor Output 0 0931 940 510 Fan Motor Speed ROTARY Refrigerant __ Capillary Tube Phage __ 1102453770 1018 412 695 0 Connections Max Length Max Height Difference 13 PRODUCT Manual l Conditioners Service Manual Continued 7 Coolin Nominal Btu h 28600 29684 _ W ___ 94 Heating Btu h 32073 EER COP 2 62 8 94 2 72 o awe _ me 2 00 Static Pressure Sound Pressure Level H M L dB A 51 49 48 Air Filter Drain Piping Standard washable 5 om SSCS wom Package 220 240V 50Hz 1Ph Heat Exchange __ Cross E Centrifugal fan Motor Output Motor Speed rp Compressor Motor Output kW k m w Dimensions a I 9 PRODUCT 14 _ Service Air Conditioners Service Manual Continued 8 w mm Btu h 40000 220 240V 50Hz 1Ph Heat Exchange Cross Fin Coil Type Nominal Capacity Heating centrifugal fan 3 Motor Output 0 045x1 Air Flow 1660 1570 1500 Static Pressure Sound Pressure Level H M L dB A
89. lines e Re conduct the system leak test Pump vacuum and fill the refrigerants 2 Assembly of New capillary Disassembly and Assembly of Vapour Liquid Separator Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of the vapor liquid separator the following steps are not applicable for the models with the capacity lower than 24kBtu h Illustration Handling Instruction N retaining bolts 1 Di bly of e Disassemble the retaining screws on the pothooks of the retaining bolts for n 2 reservoir with screwdriver liquid reservoir e open two pipes connecting vapor liquid separator 2 Disassembly of MOD with pipe line with gas welding vapor liquid separator Remove vapor liquid separator e Position accurately new vapor liquid separator e Connect new vapor liquid separator with pipe line by gas welding e screw down the
90. ling Enclosure Outlet pipe parts Joint for gas and Hole liquid pipes x V Sketch for installing If you are going to 5 round outlet pipes install a 5 round outlet Unpack package pipe please purchase another set of parts for the round outlet pipes that used at both sides I gt Joint for gas m off the covers and liquid pipes atboth sides of holes Fig 1 1 16 INSTALLATION 44 00 Service Air Conditioners Service Manual 1 2 Installation of Cassette Type 1 2 1 Before Installation After receiving the machine please check for any transport damage If finding any surface or internal damage please immediately report to the transport company or equipment company in writing After receiving the machine please check the unit and accessories in reference to the packing list Ensure that the model is correct and the machine is in good condition Please also check if the specification and quantity of accessory parts are correct Determine the correct handling route and methods thus to avoid damaging the unit or causing possible hazard For the sake of protection and safety it is suggested to move the unit with the packaging box Even though it is not permitted to do like this under special occasions do not remove the packaging box thus to avoid loosening or falling during handling Confirm if the installing foundation is solid When this unit is to be installed the metal
91. ly timing function is able to realized four timing ON OFF periods for any unit every day so as to achieve fully automatic operation No timing control can be set for holidays when suction pressure is too low discharge pressure is too high High low pressure protection I compressor will stop and unit display malfunction code compressor has its own overheat protection once the temperature Overload protection of compressor is higher than allowable level compressor will stop and only when temperature recovery compressor restart once the current of compressor is higher that normal level Over current protection compressor will stop and unit display malfunction code Discharge high once the discharge temperature of compressor is higher than allowable temperature protection value compressor will stop and unit display malfunction code once the phase sequence of power supply is incongruent R h tect phase is absent unit can t work Anti high temperature protection once the heat exchanger temperature of indoor unit is too high fan of outdoor stop Timing ON OFF display display and timing turn ON OFF time only with wired controller have this function Fan speed display display the speed high medium low of fan only with wired controller have this function cooling mode dehumidifying mode heating mode fan mode only with wired controller have this function Testing display display testing mode o
92. n ROOM TUBE WATER F 13 19RD CM ra CN 2 5 T 4 UTDOOR XTe Envi Defrost Temp Sensor 17BU MANUAL 3 2 2 Cassette 1 Model 24 GKH30TK1BI GKH42TK1BI LIMIT SWITCH SWING MOTOR LIQUID SWITCH SWING MOTOR W 5 2 used only in unit 24 and above used only SM x 5k in unit 18 ROOM TEMP SENSOR 6 Pipe Tem Sensor EVAPORATOR pr FAN MOTOR PUMP MOTOR Attention The Manual Panel is the optional accessory MAINTENANCE 80 wa Conditioners Service Air Conditioners Service Manual 2 Model GKH36TK1BI GKHA8TK1BI LIMIT SWITCH SWING SWING MOTOR LIQUID SWITCH SA1 SNG Me only in unit 24 and above used only unit 18 RD x1 Z ROOM TEMP SENSOR 1 1 1 1 1 1 1 1 Manual Panel L Communication Cord YEGN TRANSFORMER Oz MOTOR PUMP MOTOR EUN Attention The Manual Panel is the optional accessory N 2 15K 20K LIQUID SWITCH 8 _ 542 SM 5
93. n line If the control wire between the wired remote controller and the indoor unit is surface mounted use 1 metallic pipe and make matching recess in the wall refer to Fig 3 2 6 If concealed installation is adopted 1 metallic pipe can be used Refer to Fig 3 2 7 No matter if surface mounting or concealed mounting is selected it is required to drill 2 holes in the same level between which the distance shall be the same as the distance 60mm of installation holes in the bottom plate of the wired controller Then insert a wood plug into each hole fix the bottom plate of the wire controller to the way through these two holes plug the control wire onto the control panel and lastly install the panel of the wire controller Refer to Figure 3 2 5 F vu ny ny r FT REMOTE CONTROLLER Fig 3 2 6 Fig 3 2 7 A Caution During the installation of the bottom plate of the wired controller pay attention to the direction of the bottom plate The plate s side with two notches must be at the lower position otherwise the panel of the wired controller cannot be correctly installed Caution D The communication distance between the main board and the wired controller can be as far as 20m The standard distance is 8m 2 The wired controller shall not be installed in a place where there is water drop or large amount of water vapor CONTROL 36 Air Conditioners Service Manual INSTALLATION 37 INSTAL
94. nd upper cover plates 2 Disassembly of the e Remove right and left panels Disassembled external external casing cabinet gt casing cabinet is shown the illustration MAINTENANCE 94 Conditioners Service Air Conditioners Service Manual 4 2 2 Cassette type Unit Cassette type Unit Removal and Assembly of Fan Motor Illustration Handling Instruction 1 Loosen the screws e Use screwdriver to loosen the screws fixing the water tray fixing the water tray 2 Remove the e Remove the water tray water tray 3 Loosen the bolts e Use spanner to loosen bolts fixing the fan fixing the fan 4 Remove the fan PAS CS MA e Remove the fan 5 Loosen the screws e Use screwdriver to loosen screws motor fixing the motor 6 Remove the motor e Remove the motor and replace it and replace it 95 MAINTENANCE Fixed Frequency U Match Air Conditioners Service Manual Removal Assembly Illustration Handling Instruction 7 Tighten the screws e Use screwdriver to tighten the screws fixing the motor fixing the motor 8 Mount the fan and e Mount fan and use spanner to tighten the bolts fixing tighten the fixing bolts WM the fan 9 Mount the water tray ahd fighten he sensws Use screwdriver to loosen the screws fixing the water tray emoval and Installation of Drainage Pump Illustration Han
95. nect new 4 way valve with pipe line e Wrap the valve with wet cloth when welding 4 way valve in case sliding block inside the valve should be burnt and water flow into the pipe line e Welding is done by nitrogen and the nitrogen pressure place new 4 way valve shall be 0 05 0 01Mpa relative pressure and connect it 5 Installation of New 4 way valve 6 Assembly of j Assemble solenoid valve onto the new 4 way valve in solenoid valve a s BL AN Y order of disassembly x SSS insta 90101010 7 of System refrigerant charge e Vacuum and charge the refrigerant pipe after the system passes the leak test if the system leak test passes Disassembly and Assembly of capillary Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of the capillary Illustration Handling Instruction e Weld two welding points connecting capillary with other pipe lines e Remove capillary LT 1 Disassembly of Capillary 37 MAINTENANCE Fixed Frequency U Match Air Conditioners Service Manual e Install new capillary e Weld the points connected with other pipe
96. ning nuts on compressor e Disassemble the retaining nuts on the compressor with wrench e Heat the suction and discharge pipe with gas welding 3 Dismantle the before removing discharge pipe and d e Conduct nitrogen fill protection when welding and the suction pipe CUM pressure of nitrogen is 0 05x0 01Mpa relative pressure of compressor _ L 8 e Heating with caution in case surroundings get burning to high temperature e Remove compressor from chassis 4 Remove compressor MAINTENANCE 84 Fixed Frequency U Match Air Conditioners Service Manual 5 S e Position accurately the new compressor compressor on e Screw down fixing nuts for compressor with wrench base plate N I e Do not the compressor upside down during assembly e Heat the suction and discharge pipe with gas welding before removing compressor 6 Connection of suction zi En e Provide nitrogen protection during gas welding and the and discharge pipe nitrogen pressure should 0 05 0 01 relative with pipeline system lt P e Please pay attention to heating in case that surrounding materials should be burnt by high temperature
97. nit and when the unit is on state press the button it will be off Press the or button to set your desired temperature The temperature range is from button 16 C to 30 C It is not necessary at AUTO mode and when you are setting the timing hours press the or button once the timing hours will increase or decrease 0 5 hour FAN button Press the FAN button to set fan speed The AUTO FAN LOW MID HIGH could be selected 4 HEALTH SAVE button There is no ale junction for this unit If press key main unit will click but it also runs under original status There is no this function for this unit If press this key the main unit will click but it also runs under original status Set Blow characters Blow will appear of disappear by pressing this key under BLOW button cooling or dehumidify mode Once energized the unit will be defaulted to be Blow off This function can not be set under auto fan or heat mode and the characters of Blow won t appear Set turbo on off the characters of turbo will appear of disappear by pressing this key under 7 TURBO button cooling or heating mode Once energized the unit will be defaulted to be turbo off This function not be set under auto dehumidify or fan mode and characters of turbo won t appear Press this button to set the sleep mode Once the sleep mode is set the temperature will SLEEP button increase 1 C after 1 h
98. nly with wired controller have this function Temperature disocia display room temperature and set temperature with wired P controller remoter board have this function 5 PRODUCT Manual Conditioners Service Manual 4 PRODUCT DATA 4 1 Product Data at Rated Condition z EN kw Nominal Btu h 24000 24000 DOKN Power x Porn _ _ __ _ T x m EN NN mn ig 220 240V 1Ph 50Hz Heat Exchange HeatExchange Cross Fin Coil a Motor Output 0 093 1 Motor Speed mm 940 510 ROTARY Compressor eR 1102453770 Weight Net Gross 67 71 66 70 PRODUCT 6 s Service Air Conditioners Service Manual Continued Nominal Capacity Cooling Heating Power Cooling Input Heating u m 2 lt EER COP Heat Exchange Drive Motor Output Air Flow Ext Static Pressure Sound Pressure Level H M L 9 5 0 5 Dimensions WxDxH Outline Package Weight Net Gross Power Supply Heat Exchange Compressor Refrigerant Dimensions WxDxH Motor Output Fan Motor Speed Power input Control Charge Outline
99. ns shall comply with the instruction manual and the outdoor unit shall be fixed Installation of the unit shall be executed by professionals INSTALLATION 52 2 4 Dimension Data Fixed Frequency U Match GUHN36TK1AO GUHN24TK1AO GUHN3OTK1AO GUCN36TK1AO GUCN24TK1AO GUCN3OTK1AO GUHN36TM1AO GUCN36TM1AO 2 5 Installation Clearance Data Fig 2 5 1 GUHNA2TM1AO GUCNA2TM1AO GUHNA8TM1AO GUCN48TM1A0 Air Conditioners Service Manual Unit mm 6 6 53 INSTALLATION Manual E Conditioners Service Manual 3 REFRIGERATION PIPING WORK 3 1 Refrigeration Piping Work Procedures 1 Connecting Pipe e Operational steps Install indoor unit gt Cut pipes to size gt Fit pipes provisionally Replace nitrogen Flushing gt Airtight The 3 principles of refrigerant piping must be strictly observed of problem Action to avoid problem e Rainwater work water etc gets Moisture generated inside pipes Pipe covering J Flushing gt Vacuum drying due to condensation Formation of oxides inside pipes Replace nitrogen during soldering Dirt dust or other foreign matters gets into
100. o _ s emos wow 1 Omm 3 mesmo 1 _ ____ 0102943 vean 31 _ 8 Water Tay assy 1 1 _ vemm 3 s Loop 07222 3 _ www 3 _ x _ ____ 1 _ nomera 4002602 1 1 _ EemsBxCwei 200202 1 200202 3 _ 39 Room sensor 1 m ox Covert 200203 1 200203 3 z waecezrase wem wmm 1 _ asua 1 _ 2 2 3 31 _ 3s Water Pump uveiais onum 1 1 z waeteeSwen wwe xw 1 _ Fumbemie 0823006 1 _ 1 1 3 FuwGwePae ous om os 9029429 92929 1 _ Fixed Frequency U Match 125 MAINTENANCE Manual Air Conditioners Service Manual GKH42TK1B2l GKH48TK1B2I Name of part Product Code Product Code 010 0630 Product Code ET010N0640 i ft Bey Fixing Pte a 4 _ oom _ s 3 Oumm 3 _ s
101. o high If unit s high pressure is normal pressure protection Contact the power If voltage is normal supply company Replace mainboard MAINTENANCE 70 Service Air Conditioners Service Manual Malfunction display E6 Communications Failure Communication malfunction Sneck ir indoor unit N Confirm the locations of communication line is properly plug and socket connected Y ere N Check if communication Replace the line is closedc ircuit communication line Y heck if the communication N line between indoor and indoor units is tn plug and socket properly connected Y N Check two ends of communication Equip the ferrite ine are separately equipped with ferrite core cores Check if the connected outdoor unit is energized Energize the outdoor unit Replace mainboards Malfunction display E9 Malfunction of drain water level Full Water Protection Y N up N Replace the main Check if the voltage of liquid Check if water overflow Iove board indoor Y Y gt Check the liquid level switch Checkif the water drainage N Checkif the v
102. oduct Code CF022N0290 Quantity Part code Quantity 39000121216 NN 01259111 01395764 30228205 1 _ 1 1 SW em Waewhey ums 1 meme 3 s 1 Uus 1 _ 3 Sepe 9909306 1 31 1 weno 3 1 1 _ 39 Emery ooro 1 00289 31 m 1 omms 1 _ Fixed Frequency U Match 121 MAINTENANCE c 95 2 o gt gt N o Wee XS LL lt 5 2 2 Cassttee Type Model GKH24TK1BI GKH36TKIBI GKH42TKIBI GKHASTKI BI GKH24TK1B2l GKH36TK1B2l GKHA2TK1B2I GKHA8TK1B2I MAINTENANCE 122 Air Conditioners Service 1 1 toy Fixing Pte _____ wee 4 warm wors 3 wmm s ase Piste 1 ommm 3 _ s ResWerae 1 1 3 o omm 31 _ s 9004 Sto _ s 3 _ 1 3 mesmo 1 _
103. ollowing items to avoid interference of electromagnetism to unit and even failure of it To ensure normal communication of the unit signal line and wiring communication of wired controller should be separate from power cord and indoor outdoor connection lines The distance between them should 35 CONTROL Manual D w wak w Air Conditioners Service Manual be kept 20cm in min If the unit is installed at the place where there is interference of electromagnetism signal line and wiring communication of wired controller must be shielded by twisted pair lines Position and Method of Installing Wired Remote Controller One end of the control wire of the wired remote controller is connected to main board in the electric box of indoor unit it should be tightened by wire clamps while the other end should be connected to the wired controller The special control wire be used between the indoor unit and wired remote controller of which the length is 8 meters The material to be adopted for the control wire should be metallic substance The wired controller could not be disassembled and the control wire to be used for the wired controller should not be changed by users optionally The installation and maintenance should be carried out by the installer Firstly select an installation position According to the size of the control wire for the wired remote controller leave a recess or a embedded wire hole to bury the communicatio
104. oltage of water N Replace the main board pump works drainage pump end ok of the indoor uint Y Check the cables of Y water drainge pump Check if the water drainage pipe is N gt Adjust the water jammed or if water flows smoothly drainage pipe Y Clear the water drainage pipe 71 MAINTENANCE Manual Conditioners Service Manual Malfunction display FO Malfunction of Indoor Room Thermistor at Air Intake Failure of indoor room sensor at air intake Check the direction of the plug and socket Check if the plug of the temperature sensor is correctly connected with socket on the mainboard Remove the sensor to check if the resistance value is ok Replace temperature sensor Replace mainboard of the indoor uint Malfunction display F1 Malfunction of Evaporator Temp Thermistor Failure of condenser Temp sensor Check the direction of the plug and socket Check if the plug of the temperature sensor is correctly connected with socket on the manboard Remove the sensor to check if the resistance value is ok Replace temperature sensor Replace mainboard of the indoor uint MAINTENANCE 72 _ Conditioner Service Air Conditioners Service Manual Malfunction display F
105. on of both gas Insulation of support should not be insulated 5 gas pipe liquid pipe brackets together Gas pipe Insulation y 73 Control cable Thermal insulation e Jointed areas must also be thoroughly insulated This part has not ey been insulated Copper pipe bracket Figure 3 1 6 INSTALLATION 56 Fixed Frequency U Match Air Conditioners Service Manual Figure 3 1 7 Use adhesive tape to bundle the connecting pipe and the cables together To prevent condensate from overflowing out from the drainage pipe separate the drainage pipe from the connecting pipe and the cables Use thermal insulation tape to wrap the pipes from the bottom of the outdoor unit until the upper end of the pipe where the pipe enters the wall When wrapping thermal insulation tape the later circle of tape must cover half of the former circle of tape Figure 3 1 7 Wrapped pipe must be fixed to wall using pipe clamps Caution D After the pipes are wrapped by protective materials never bend the pipes to form sharp angle otherwise the pipes may crack or break 2 Do not wrap the protective tape too tight otherwise the efficiency of thermal insulation may be decreased Ensure that the condensate drainage flexible tube is separate from the bundled pipes 3 After the protective work is completed and the pipes are wrapped use seal material to block the hole in the wall
106. oor outdoor filler or heat exchange fin Y Close the panel Remove the barrier Measure the fan motor and signal input Measure swing motor and signal input Refer to Care and Maintenance System pipeline is blocked Mainly check the inlet and outlet of main pipe connecting with each indoor unit and capillary of indoor and outdoor units Replace the parts like filter capillary and so on 69 MAINTENANCE Mana Conditioners Service Manual Malfunction display E4 Abnormal discharge temperature Discharge temperature protection Replace relevant discharge temperature sensor easure if compressor s discharge temperature has reached 130 C easure if temperature sensor s resistance value is correct System pipeline leaks so complementation Replace the outdoor is needed Please add refrigerant according unit mainboard to the amount specified in the nameplate Malfunction display E5 Compressor Overheat Abnormal overcurrent Adjust compressor s connection line Check if compressor s connection line is properly connected Replace overcurrent protector heck if current value is higher than the protector s setting Refer t
107. order to avoid the wiring terminal suffering outside force And do not drag the power cable forcibly The wire diameter of power cable should be large enough If the power cable and connection wire are damaged they should be replaced by the dedicated ones All electric installation must be done by specialists according to local law regulation and this manual t should be reliably grounded and it should be connected to the special earth device the installation work should be operated by the professional The creep age protect switch and breaker must be installed Breaker should have the thermal dropout and magnetic dropout function in order to avoid the short circuit and overload The on site connection should refer to the circuit diagram which is stuck on the unit body The unit should be reliably grounded If not electric shock or fire may be caused Air conditioner is the 1 class electric appliance so please do conduct reliable grounding measure The yellow green two color wiring of air conditioner is grounding wire and cannot be used for other purposes It cannot be cut off and be fixed by screw otherwise it would cause electric shock The user must offer the reliable grounding terminal Please don t connect the grounding wire to the following places D Water pipe 2 Gas pipe 3 Blowing pipe 4 Other places where are not approved by the specialist INSTALLATION 58 S
108. our and still increase another 1 C after 2 hours in the COOL mode While in HEAT mode the temperature will decrease 1 C after 1 hour and still decrease another 1 C after 2 hours then this temperature will hold and last during the continuous operation 5 There is this function for this unit If press this key the Light button EUM unit will click but it also runs under original status Press the button to set the timing function When the timing function is on press this button to cancel the function When the timing function is off press this button once words Hour on off will appear and flicker In this case press button to adjust 10 TIMER button time press button continuously timing quickly the setting time range is from 0 5 to 24 hr press this key once again to fix the time then remote controller will send out the signal immediately and hour on off will stop flickering If the time of that no press timer button under flicking status is above 5s the timer setting will quit If the timer has been set press this button once again to quit it There is this function for this unit If press this key the 11 button d cn unit will click but it also runs under original status button Press this key to activate or deactivate the swing Press this button the unit will be run in the mode which you want Press this button once the mode will be changed in a re
109. own in Figure 1 1 10 41 INSTALLATION Fixed Frequency U Match Air Conditioners Service Manual Insulation Course of Condensate Duct Pipe Cover Condensate Duct Fig 1 1 10 1 1 7 Installation of Air Duct and Ceiling Opening Caution D The air supply pipe the air intake pipe and the fresh air pipe must be covered with a layer of thermal insulation so as to avoid thermal leakage and condensation Firstly apply liquid nail on the ducts then attach the thermal insulation cotton with a layer of tinfoil Use the liquid nail cover to fix it Lastly use tinfoil adhesive tape to carefully seal the joints other equivalent thermal insulation materials can also be used 2 The air supply ducts and the air intake pipes shall be fixed to the prefabricated boards of the ceiling by using iron supports The joints of the ducts must be sealed by glue so as to avoid leakage 3 The design and installation of air pipes must be in conformity with the relevant state engineering criteria 4 The edge of the air intake pipes must be at least 150mm away from the wall The air intake must be equipped with filter 5 Silencing and shock absorption shall be considered in the design and installation of the air pipes Additionally the noise source must be far away from where people stay The air intake grille must not be located above the place where users stay offices and rest places etc 1 Installation of the Air Supply Du
110. pening is completely covered Tighten the screws until the thickness of the sealing material between the panel the indoor unit body is reduced to 5 8 mm 1 Precautions Improper screwing of the screws may cause the troubles shown in Figure 1 3 14 Air leak Air leak from ceiling AD b 5 Contamination dew condensation dew dripping 0 Figure 1 3 14 gap is still left between the ceiling and the panel after screwing the screws readjust the height of the indoor unit body Refer to Figure 1 3 15 Adjustment of the indoor unit body from the holes in the corner of the panel is possible if the indoor unit is kept leveled and the drainage pipe piping etc is unaffected LLLI No gap is allowed Figure 1 3 15 After fixing be sure gap left between the ceiling and the panel 2 Wiring of the decoration panel Connect the joints for swing flap motor lead wire at 2 places installed on the panel Refer to Figure 1 3 16 At body At panel At body At panel Figure 1 3 16 INSTALLATION 50 Fixed Frequency U Match Air Conditioners Service Manual Wiring Diagram of the Front Panel and the Main Body for the new panel 2 1 d LS 5 PP SWING MOTOR CN12 gt gt lt 5 CN6 J Manual Panel
111. r support e Screw down the retaining screw for motor Connect the motor wire through the hole with the corresponding position inside the electrical parts box and fasten the connecting plug Cover the cover plate of electric box and screw it down by bolts 4 Installation of new motor GO COO COO UOS UO COO C S S e Position reliably the new fan on the motor axis e Hold the fans without movement e Screw down retaining screws for fan with wrench 5 Assembly of new axial flow fan ISTRY SS 89 MAINTENANCE Manual Air Conditioners Service Manual e Re assemble the outdoor parts of unit top cover panel external casing and rear grill etc according to the discription above Disassembly and Assembly of electrical parts box Remark Make sure that power supply of the unit is cut down before removal of electrical parts box or electrical parts box modules Illustration Handling Instruction Z e Cut off power supply 1 Disaasembly of NP Geek fy e Disassemble retaining screws between cover and electric cover of electrical box AY y box 7 Disassemble electrical components like mainboard 2 Pull away the inside the electrical parts box connected with outdoor power supply wires gt lt 3 componets power load
112. ront grill from the panel external casing 3 Disassembly of front grill Disassemble the retaining screws the panel external casing Remove the panel external casing from the unit e Some models R Y 42PEV1IKUR Y 48TPEV1K require disassembling the front panel outside the external casing first before removing it 4 Disassembly of panel external casing e Disassemble the screws on the right back panel with screwdriver e Remove the right back panel from the unit 5 Disassembly of right back panel MAINTENANCE 82 Service Air Conditioners Service Manual 6 Installation of new right back panel 7 Installation of new panel external casing 8 Installation of front grill 9 Installation of new rear grill 10 Installation of new top cover
113. rvice Manual GUCNAS8TM1AO No Name of part Product Code CF021W1451 L1 meme 3 3 me 1 3 Frontside Pate Subasey wasa 4 mede L5 mee mus 3 3 1 s Cmdewesppnpae o s o 1 mw s mem 1 m uem f _ a GmumeAmy Ons 1 3 s 02206 4 Cam x 3 5 06365 O Retiring Ppe Subassy meres ite Pt m wem 34 Sme h lt 1 m 1 x 1 3 ms 3 3s oms 3 x Compressorana tings 2 1 3s _____ Os 1 3 ms 3 x mae x mmi 1 mp 3s 3s PmeReese Proctor eo St x l 113 MAINTENANCE
114. s of the Fan Unscrew the retaining screws between the fan and the supporting plate Unscrew the retaining screws between the fan and the motor shaft Remove the fan away from the supporting plate 2 Disassembly of fan G Unscrew the retaining screws between the motor and the Disassembly of motor I N supporting plate Remove the motor away from supporting plate Disassembly of evaporator Remark Make sure that the power supply is cut off and protect the copper tube and aluminum fin If the time for disassembly shall be long put the copper tube under pressurized condition 1 Removal of the Retaining Screws between the Evaporator and the Side Plate e Unscrew the retaining screws between the evaporator and the side plate see the circle shown in the left Illustraion both sides Symmentrical 93 MAINTENANCE Fixed Frequency U Match Air Conditioners Service Manual e Unscrew the retaining screws between the valve guard and the side plate e Remove away the guard board from the cover 2 Removal of the Valve Guard 3 Removal of e Remove away the whole evaporator from the unit evaporator Disassembly of External casing cabinet Remark Make sure the power supply is cut off before disassembling and protect all the parts during disassembly Illustration Handling Instruction 1 Disassembly of the screws on the cover plates e Remove the screws between right and left panels a
115. section of the building make sure that the electrical insulation must comply with applicable standards Ensure that the place of installation is far from the area where the inflammable or explosive substances are stored thus to avoid possible explosion or fire due to leakage 1 2 2 Installation Site Obstruct should put away from the intake or outlet vent of the indoor unit so that the airflow can be blown though all the room Make sure that the installation had accord with the requirement of the schematic diagram of installation spaces 5 Select the place where can stand 4 times of the weight of the indoor unit and would not increase the operating noise and oscillate The horizontally of the installation place should be guaranteed Select the place where is easy to drain out the condensate water and connect with outdoor unit Make sure that there are enough space for care and maintenance Make sure that the weight between the indoor unit and ground is above 2300mm When installing the steeve bolt check if the install place can stand the weight 4 times of the unit s If not reinforce before installation Refer to the install cardboard and find where should be reinforced The appliance shall not be installed in laundry Cautions There will be lots of lampblack and dust stick on the acentric heat exchanger and water pump in dining room and kitchen which would reduce the capacity of heat exchanger lead water leakage and
116. will display the malfunction code E6 The reset for the communication failure is automatic reset When a liquid water level switch opens for more than 8 seconds it means a malfunction occurs to the drain water level In this case the LED on the remote controller will blink and the malfunction code E9 will be displayed on the screen Beside the reset for the water level protection can only be done manually Malfunction of drain Liquid water level water level 65 MAINTENANCE nditioners Service Marva Air Conditioners Service Manual Malfunction of indoor room temperature thermistor at air intake is detected when a short circuit or an open circuit in the indoor room temperature thermistor for more than 5 sec indoor room temperature value will be set at 24 forcibly The reset for the malfunction of indoor room temperature thermistor is automatic If the malfunction of indoor room temperature thermistor will be reset in air supply mode the malfunction code FO will disappear the screen and the indoor unit fan will run normally Malfunction of evaporator temperature thermistor is detected when there is a short circuit or an open circuit in the evaporator temperature thermistor for more than Malfunction of 5 sec The system will be shut down in cooling operation Evaporator temperature PL evaporator temperature mc and dehumidifying operation The screen will display the thermistor malfunction code
117. y Heater 4 way Valve 15 205 105 155 455 605 TambsTset 1 C Heating mode will be entered The compressor and outdoor unit fan will run and indoor unit fan will run at setting speed and the mode of cold blast air prevention Tamb2Tset 1 C The compressor and outdoor unit fan will stop but the 4 way valve will be still energized Indoor unit fan will run at the mode of blowing surplus heat Tset 1 C lt Tamb lt Tset 1 C Previous running status will be kept 2 4 Defrosting Defrosting mode is as follows Defrosting Mode Enter Exit Compressor EN Outdoor uint Fan 2 000 p PR D ON Running at ON Meeting running Auxiliary Heater i OFF 00 qp j condition ON ON 4 E 1 7 17 1 105 15 105 Conditions of Defrosting ON When accumulated heating time has reached 44min compressor has been running for continuous 4min and 50sec and lt 5 has been detected for continuous 1min defrosting starts If auxiliary heater is ON it will be stopped firstly At 10s later 4 way valve indoor and outdoor unit fans will be stopped while the compressor will compulsively run Conditions of Defrosting OFF When defrosting has been runn

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