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U-Match Series DC Inverter Service Manual

116

2.4 IPM, PFC Testing Method

2.4.1 Method of Testing IPM Module

(1) Preparation before test: prepare a universal meter and turn to its diode option, and then remove

the wires U, V, W of the compressor after it is powered off for one minute.

(2) Testing Steps

Step 1: put the black probe on the place P and the red one on the wiring terminal U, V, W respectively

as shown in the following figure to measure the voltage between UP, VP and WP.

Step 2: put the red probe on the place N and the black one on the wiring terminal U, V, W respectively

as shown in the following figure to measure the voltage between NU, NV and NW.

(3) If the measured voltages between UP, VP, WP, NU, NV, NV are all among 0.3V-0.7V, then it

indicates the IPM module is normal; If any measured valve is 0, it indicates the IPM is damaged.

2.4.2 Method of Testing PFC Module Short Circuit (only for GUHD48ND3FO):

(1) Preparation before test: prepare a universal meter and turn to its diode option, and then remove

the wires L1-2, L2-1 after it is powered off for one minute.

(2) Testing Steps

Step 1: put the black probe on the place P and the red one on the wiring terminal L1-2,

L2-1respectively as shown in the following figure to measure the voltage between L1-2P and.L2-1 P.

Step 2: put the red probe on the place N and the black one on the wiring terminal L1-2,

L2-1respectively as shown in the following figure to measure the voltage between N L1-2 and NL2-1.

(3) If the measured voltages between L1-2P ,L2-1 P, N L1-2 , NL2-1 are all among 0.3V-0.7V, then it

indicates the PFC module is normal; If any measured valve is 0, it indicates the PFC is damaged.



GUHD18ND3FO/GUHD24ND3FO/ GUHD30ND3FO /GUHD36ND3FO/ GUHD42ND3FO

Содержание GKH18D3FI

Страница 1: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL T1 R410A 60Hz GC201410...

Страница 2: ...ew 20 4 OPERATION INSTRUCTION OF SPECIAL FUNCTIONS 23 4 1 Setting of Filter Clean Reminder Function 23 4 2 Low Temperature Drying Function 25 4 3 Lock Function 25 4 4 Memory Function 26 4 5 Door Contr...

Страница 3: ...2 Specification of Connection Pipe 85 4 ELECTRIC WIRING WORK 85 4 1 Wiring Precautions 85 4 2 Electrical Wiring 86 MAINTENANCE 94 1 TROUBLE TABLE 94 1 1 Main Control Malfunction 94 1 2 Description of...

Страница 4: ...U Match Series DC Inverter Service Manual 1 PRODUCT...

Страница 5: ...it Model Name Product Code Power Supply V Ph Hz Appearance GUHD18ND3FO CF090W0751 208 230V 60Hz GUHD24ND3FO CF090W0761 208 230V 60Hz GUHD30ND3FO CF090W0830 208 230V 60Hz GUHD36ND3FO CF090W0771 208 230...

Страница 6: ...0N0801 17100 18400 208 230V 60Hz GKH24D3FI ET010N0811 23800 27200 208 230V 60Hz GKH30D3FI ET010N0840 28200 31200 208 230V 60Hz GKH36D3FI ET010N0821 34000 41000 208 230V 60Hz GKH42D3FI ET010N0850 39500...

Страница 7: ...15V 3N 50Hz D 208 230V 60Hz 8 Refrigerant 1 R22 2 R407C 3 R410A 9 Design Code Design Code A B C D Design Change Code 0 default 1 2 3 10 Unit Code O Outdoor unit 2 2 Indoor Unit G F H 18 T D 3 F I 1 2...

Страница 8: ...ated Ext Static Pressure Pa InWg 25 0 1 25 0 1 37 0 15 Ext Static Pressure Range Pa InWg 0 30 0 0 12 0 75 0 0 3 0 75 0 0 3 Sound Pressure Level SS H M L dB A 40 39 36 28 47 46 44 40 47 46 44 40 Air Fi...

Страница 9: ...15 37 0 15 50 0 2 Ext Static Pressure Range Pa InWg 0 100 0 0 4 0 100 0 0 4 0 125 0 0 5 Sound Pressure Level SS H M L dB A 53 52 48 44 53 52 48 44 55 53 49 45 Air Filter PPKZ PPKZ PPKZ Drain Piping m...

Страница 10: ...0 445 1300 765 1500 880 Sound Pressure Level SS H M L dB A 47 46 44 37 47 46 42 38 49 48 45 40 Air Filter PP ABS PP ABS PP Drain Piping mm inch 25 1 5 0 98 0 06 25 1 5 0 98 0 06 25 1 5 0 98 0 06 Outli...

Страница 11: ...2300 1350 Sound Pressure Level SS H M L dB A 51 49 46 43 51 49 46 43 53 52 47 41 Air Filter ABS PP ABS PP ABS PP Drain Piping mm inch 25 1 5 0 98 0 06 25 1 5 0 98 0 06 25 1 5 0 98 0 06 Outline Dimensi...

Страница 12: ...1000 585 1200 705 1500 880 Sound Pressure Level SS H M L dB A 44 42 38 32 49 48 46 40 49 46 44 38 Air Filter PP PP PP Drain Piping mm inch 17 1 75 0 67 0 07 17 1 75 0 67 0 07 17 1 75 0 67 0 07 Outline...

Страница 13: ...5 700 55 9 9 6 27 6 1420 245 700 55 9 9 6 27 6 1700 245 700 66 9 9 6 27 6 Net Weight kg lb 48 0 105 8 50 0 110 3 59 0 130 1 Outdoor Unit GUHD36ND3FO GUHD42ND3FO GUHD48ND3FO Power Supply V Ph Hz 208 23...

Страница 14: ...r unit Table 1 3 2 Electrical Data of Indoor Unit Model Power Supply Fan Motor FLA Fuse Breaker Capacity Minimum Circuit Ampacity Maximum Overcurrent Protection V Ph Hz A A A A GFH18D3FI 208V 230V 60H...

Страница 15: ...the indoor unit with their longest lengths of 30m 98 2 5feet Please select the appropriate line length as per the actual installation conditions The communication lines can not be twisted together It...

Страница 16: ...U Match Series DC Inverter Service Manual 13 CONTROL...

Страница 17: ...OL 1 OPERATION FLOWCHART 1 1 Cooling Dry Operation Satisfying open Comp condition Temp of indoor Set temp Comp stop for 3 min N Y N Y Y N Open unit running at cool or dry mode Indoor fan run Comp and...

Страница 18: ...15 1 2 Heating Operation Satisfying open comp condition N Y N Y Y N Power On Comp and outdoor fan run Avoid cool wind only when comp start Temp of indoor Set temp Comp and outdoor fan stop Comp stop...

Страница 19: ...ss it once more and the unit will be turned off When turning off the unit the Sleep function will be canceled but the presetting time is still remained MODE button By pressing this button Auto Cool Dr...

Страница 20: ...among those five directions Simplified SWING function applicable for some Fan Coil Units When the wireless remote controller is energized initially with the unit under the OFF status it should be set...

Страница 21: ...bient temperature This function is applicable to partial of models TIMER OFF button By pressing this button it is available to go to the TIMER OFF setting state with the same setting method as that of...

Страница 22: ...function 2 Up and down swing function 3 Air exchange function 4 Sleep function 5 Auto mode 6 COOL mode 7 DRY mode 8 FAN mode 9 HEAT mode 10 Health function 11 I Demand function 12 Vacation function 1...

Страница 23: ...17 Turbo function 18 Energy saving function 19 Ambient setting temperature 20 Electric heater 21 Blow function 22 Defrosting function 23 Filter cleaning 24 Timer Setting 25 Keycard control Detected s...

Страница 24: ...r off state of the unit press and buttons at the same time for 5s to enter lock state In this case any other buttons won t respond when pressing Repress and buttons for 5s to quit lock state 4 Mode an...

Страница 25: ...n value at the air return port 3 2 3 Setting of Wired Controller s Address 3 2 3 1 Enquiry and Setting of Wired Controller s Address Under off state of the unit press Function and Mode buttons at the...

Страница 26: ...llers one should be the master and the other should be the slave Setting of master slave wired controller s address is shown as Figure 2 3 5 below Figure 2 3 5 Enquiry and setting of master slave wire...

Страница 27: ...e of indoor unit There are 4 types of situations 1 Clean Reminder is off Timer zone shows 00 2 Slight pollution the former digit in timer zone shows 1 while the latter one shows 0 which indicates the...

Страница 28: ...hed in unit on or off state will blink every 0 5s for reminder Press Function button to switch to icon and press and button to adjust the level Then press Enter Cancel button so the accumulated operat...

Страница 29: ...icon Notes In long distance monitoring or centralized control no matter the room card is inserted or not the ON OFF of unit can be controlled If long distance monitoring or centralized control inform...

Страница 30: ...actual value 4 9 1 Setting ambient temperature sensor dual ambient temperature sensors function Under debugging state press Mode button to adjust to 00 in temperature displaying zone Timer zone displ...

Страница 31: ...ode 1 Unit stops when reaching temperature point and indoor fan motor does not stop in cooling mode after unit stops when reaching temperature point in heating mode duct type unit and floor ceiling un...

Страница 32: ...e 2 selections 1 Without human sensitive function LCD displays 00 2 With human sensitive function LCD displays 00 4 9 10 Selecting long distance monitoring or centralized controller Under debugging st...

Страница 33: ...3 37 LCD displays 03 5 Compensate 4 39 LCD displays 04 6 Compensate 5 41 LCD displays 05 7 Compensate 6 43 LCD displays 06 8 Compensate 7 45 LCD displays 07 9 Compensate 8 46 LCD displays 08 10 Compen...

Страница 34: ...stalling the wired controller at the place where faces forward to the window to avoid interference of another remote controller from neighborhood 4 Cut off the power of heavy current wire in the insta...

Страница 35: ...olid Then the detailed installation procedures of wired controller are as shown in Figure 2 5 2 Figure 2 5 2 Installation of wired controller Brief instructions of installation procedure 1 Pull out th...

Страница 36: ...nsor F5 Malfunction wired controller temperature sensor C5 Wong dial switch of capacity EE Malfunction of outdoor main control memory chip PF Malfunction of electric box sensor H3 Compressor overload...

Страница 37: ...protection during operation Figure 2 6 1 7 CENTRALIZED CONTROLLER 7 1 Smart Zone Controller 7 1 1 Function The smart zone controller can directly control up to 16 sets of indoor units in a control ne...

Страница 38: ...emperature of the indoor unit with max 30 C 86 anmin 16 C 61 Under the timing setting status It is used to set the timing period with max 24 hours and min 0 hour Under the clock setting status it is u...

Страница 39: ...e switchover between unit 7 and unit 15 Under the timing or clock setting status it indicates Sunday 13 8 16 It is used for the switchover between unit 8 and unit 16 14 Timer Time It is used to set th...

Страница 40: ...It displays the set temperature indoor unit code 01 16 and symbols of Celsius and Fahrenheit scale 7 Control mode It displays CENTER under the centralized control mode and no display under the single...

Страница 41: ...onnected to this interface 2 Electrical characteristic none 3 Working principle when the card is inserted this interface is short circuited when the card is not inserted this interface is cut off Conn...

Страница 42: ...connected the unit will turn to standby state If the unit is with wired controller icon will be displayed on the wired controller If the unit is without wired controller there will be no display The...

Страница 43: ...ulted that this function is not activated if this function is set and human sensitive module is connected the unit will control the ON OFF of unit according to the signal detected by human sensitive m...

Страница 44: ...ve module by himself Please pay attention to the following notes There is the needle stand interface on the main board The interface model inserted into this needle stand must be PH 3P K The current c...

Страница 45: ...lized controller mode and the defaulted address is 1 3 Setting method 1 Firstly set the address mode of wired controller into centralized controller address mode The setting method is Under off state...

Страница 46: ...255 The setting method is Under off state of the unit press Function and Mode buttons at the same time for 5s to enter setting interface of wired controller address LCD displays address sequence Pres...

Страница 47: ...same network the unit addresses in the same network must be different otherwise the unit control will be affected Perform wiring when the unit power is cut off 7 2 4 Connect to interface of centralize...

Страница 48: ...ion and Timer buttons at the same time for 5s to go to the debugging menu Press Mode button to adjust to 10 in temperature displaying zone Timer zone displays setting state and press or button to adju...

Страница 49: ...ndoor main board Then connect the required units to realize centralized control of these units Notes When centralized controller is to be connected set the address mode into centralized controller add...

Страница 50: ...ting mode pressing any button can turn off the unit Figure 2 7 14 7 2 6 Malfunction output of relay There is malfunction outlet signal on the main board of indoor unit when the unit occurs unrecovered...

Страница 51: ...n output 3 Setting method Do not need to set this function Notes The interface voltage should be 220V AC intense current If malfunction light is connected please make sure its power is not too big it...

Страница 52: ...Interface of annunciator live wire 10 ON interface of fresh air valve 11 OFF interface of fresh air valve 12 Interface of annunciator neutral wire 13 Interface of DC motor 14 Main board grounding wir...

Страница 53: ...N2 X6 according to the principle circuit The detector of cold plasma anion generator should be places at the air return The distance between two detectors should be 10mm 3 8inch L 25mm 1inch MOTOR WIR...

Страница 54: ...ervice Manual 51 7 2 9 Chassis electric heating belt of outdoor unit is optional When outdoor ambient temperature is very low electric heating belt can be equipped on the chassis to prevent freezing o...

Страница 55: ...U Match Series DC Inverter Service Manual 52 INSTALLATION...

Страница 56: ...ea where the inflammable or explosive substances are stored thus to avoid possible explosion or fire due to leakage 1 1 2 Installation Site Ensure the top hanging piece has strong strength to withstan...

Страница 57: ...ecting pipes and drainage pipes and cables connecting lines of wire controller indoor unit and outdoor unit must be ready before the installation so as to achieve smooth installation Drill an opening...

Страница 58: ...Condensate Drainpipe 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 B 0 145P 10000 20 25 4 inch P is the absolute pressu...

Страница 59: ...316 12 1 2 350 13 3 4 Table 3 1 2 Installation Accessories List for Duct type Indoor Unit Name Shape QTY Notes Installation and Operating Instructions 1 Insulation materials for gas pipe 1 Used for g...

Страница 60: ...ons in this installation manual and keep the area warm enough to prevent condensation Problems with the piping may lead to water leaks 1 Install the drain hose with downward gradient 1 50 to 1 100 and...

Страница 61: ...the local conditions Figure 3 1 10 7 When the unit is shipped from the factory the drain port is defaulted to be the one on the left side electric box side the port on right side has been plugged 8 W...

Страница 62: ...which is different from that of the unit without the condensate pump 3 For the unit with the condensate pump two drain ports at the bottom are defaulted to be factory plugged with drain caps After th...

Страница 63: ...8inch Figure 3 1 18 Supply Air Outlet C D Figure 3 1 19 Return Air Inlet Table 3 1 3 Unit mm inch Item Model Supply Air Outlet Return Air Inlet A B C D GFH18D3FI 123 4 7 8 736 29 710 28 166 6 1 2 GFH2...

Страница 64: ...over Plate Figure 3 1 21 3 If the bottom return air is desired just change the place of the rectangular flange and the return air cover plate 4 Connect one end of the return air duct to the return air...

Страница 65: ...antity 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...

Страница 66: ...from the unit to the ceiling should be kept as much as possible so as for more convenient service 1 2 3 Indoor Unit Installation 1 Determine the location of the hanger through the paper template and t...

Страница 67: ...Figure 3 1 25 4 Remove the screws shown on the picture Push the side plate as per the arrowed direction and take it down Remove the screw Figure 3 1 26 5 Put the hanger bolt into the clasp of the indo...

Страница 68: ...Nut Hanger Right side panel Figure 3 1 28 7 Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother 1 2 4 Leveling The water level...

Страница 69: ...1 Precautions When Doing the Piping Work 1 Keep piping as short as possible and slope it downwards at a gradient of at least 1 100 so that air may not remain trapped inside the pipe 2 Keep pipe size e...

Страница 70: ...ad is less than 4mm 1 8inch from the hose Figure 3 1 34 Metal clamp Drain hose Grey tape Insulate the pipe clamp and the drain hose using heat insulation sponge Figure 3 1 35 Metal clamp Insulation sp...

Страница 71: ...ference 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 corre...

Страница 72: ...is easy to drain out the condensate water and connect with outdoor unit 6 Make sure that there are enough space for care and maintenance and the height fall between the indoor unit and ground is above...

Страница 73: ...e helpful 2 Install the paper template on the unit and fix the drain pipe at the outlet vent 3 Adjust the unit to the best position 4 Check if the unit is installed horizontally at four directions If...

Страница 74: ...tionship of the front panel and the connecting pipe Figure 3 1 44 2 Place the panel at the unit and latch the hooks beside and opposite the swing flap motor 3 Latch other two hooks 4 Tighten four hexa...

Страница 75: ...troubles shown in Figure 3 1 46 Air leak Condensate Figure 3 1 46 8 If gap still exists between ceiling and decoration panel after tightening the screws readjust the height of the indoor unit Figure 3...

Страница 76: ...to the main body according to the size of terminals Figure 3 1 48 1 3 7 Dimension Data For the units 18k Table 3 1 8 Unit mm inch Item Model A B C D E F G H I J GKH18D3FI 670 26 3 8 596 23 1 2 592 23...

Страница 77: ...48k Bottom face of ceiling B A C D E F Figure 3 1 49 Table 3 1 10 Unit mm inch Item Model A B C D E F GKH48D3FI 1040 41 910 35 7 8 842 33 1 8 788 31 170 6 3 4 290 11 3 8 1 3 8 Installation of Drain Pi...

Страница 78: ...ccessory 3 When unifying multiple drain pipes install the pipes as Figure 3 1 51 Select converging drain pipes whose gauge is suitable for the operating capacity of the unit take the cassette type uni...

Страница 79: ...n of horizontal pipe Figure 3 1 55 Figure 3 1 56 Figure 3 1 57 1 3 10 Precautions When Doing Riser Piping Work 1 Make sure that heat insulation work is executed on the following 2 spots to prevent any...

Страница 80: ...rain Piping After piping work is finished check if drainage flows smoothly Shown in the Figure 3 1 61 Add approximately 1liter of water slowly into the drain pan and check drainage flow during COOL ru...

Страница 81: ...ards 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 2 2 Installation Site I...

Страница 82: ...ensure that the machine is kept vertical and horizontal The outdoor unit must be lifted by using the designated lift hole During lifting take care to protect the air conditioner and avoid knocking the...

Страница 83: ...pe with the pipe cutter and remove the burrs 2 Hold the pipe downward to prevent cuttings from entering the pipe 3 Remove the flare nuts at the stop valve of the outdoor unit and inside the accessory...

Страница 84: ...om the pipes Be sure to apply the pipe against the port on the indoor unit correctly If the centering is improper the flare nut cannot be tightened smoothly If the flare nut is forced to turn the thre...

Страница 85: ...nch 15 30N m 11 22ft 1b 9 5mm 3 8inch 35 40N m 26 29ft 1b 12 7mm 1 2inch 45 50N m 33 37ft 1b 16mm 5 8inch 60 65N m 44 48ft 1b Be sure to connect the gas pipe after connecting the liquid pipe completel...

Страница 86: ...the hose at the low pressure side of the manifold valve assembly to the service port of the unit s gas valve and meanwhile the gas and liquid valves should be kept closed in case of refrigerant leak 3...

Страница 87: ...e Gas valve Service port Cap Hose Vacuum pump Cap Service pipe Cap Connection pipe Figure 3 3 7 Note For the large sized unit it has the service port for both the gas valve and the liquid valve During...

Страница 88: ...le to withstand the pressure of 6 0MPa 870psig The longer the connecting pipe the lower the cooling and heating effect performs 4 ELECTRIC WIRING WORK 4 1 Wiring Precautions Before obtaining access to...

Страница 89: ...inal board and tighten securely with the terminal screw using a screwdriver 2 For strand wiring Figure 3 4 1 1 Cut the wire end with a wire cutter or wire cutting pliers then strip the insulation abou...

Страница 90: ...use burning of the electric parts Erroneous wiring may cause burning of the electric parts Connect the connection cords firmly to the terminal block Imperfect installation may cause a fire Always fast...

Страница 91: ...U Match Series DC Inverter Service Manual 88 Cassette Type Unit Single phase units 18k Single phase units 24k 30k Single phase units 36k 42k...

Страница 92: ...U Match Series DC Inverter Service Manual 89 Single phase units 48k Floor ceiling Type Unit Single phase units 18k 30k Single phase units 36k 48k Figure 3 4 4...

Страница 93: ...ctric box cover from the electric box sub assy and then connect the wire Duct Type Unit Electric box sub assy Electric box cover L1 L2 F C O H1 H2 1 2 Figure 3 4 5 The F C O connect to the COMMOM CLOS...

Страница 94: ...are high voltage while the communication cord and connection wire of the wired controller are low voltage They should run separately against electromagnetic interference The high voltage and low volta...

Страница 95: ...it connection cord properly based on the corresponding marks as shown in Figure 3 4 4 Ground both the indoor and outdoor units by attaching a ground wire Unit shall be grounded in compliance with the...

Страница 96: ...U Match Series DC Inverter Service Manual 93 MAINTENANCE...

Страница 97: ...vered automatically Refrigerant lacking protection If the unit reports system refrigerant lacking within 10min after turning on the unit the unit will stop operation If the fault occurs successively 3...

Страница 98: ...mode only the error code is displayed and the indoor unit can work normally 11 F3 Malfunction of outdoor ambient temperature sensor Outdoor ambient temperature sensor If the outdoor ambient temperatu...

Страница 99: ...on 18 U7 Direction changing malfunction of 4 way valve 4 way valve After the compressor starts operation in heating mode if the outdoor unit detects the difference between evaporator temperature and i...

Страница 100: ...or Pc Pc IPM or PFC temperature sensor error P7 P7 Compressor current protection P5 P5 DC busbar under voltage protection PL PL Compressor startup failure Lc Lc Drive module reset P0 P0 Compressor mot...

Страница 101: ...U Match Series DC Inverter Service Manual 98 2 FLOW CHART OF TROUBLESHOOTING 2 1 Troubleshooting Flow Chart of Main Control Malfunction E1 High Pressure Protection...

Страница 102: ...r outlet and air return pipe periodically to ensure smooth air return and air outlet E3 stands for three statuses 1 Low pressure protection 2 Refrigerant lacking protection 3 Refrigerant recycling mod...

Страница 103: ...ommunication wire between indoor unit and outdoor unit is connected well Check if there is open circuit in the communication wire between indoor unit and outdoor unit Reconnect the communication wire...

Страница 104: ...eplace the full water switch or make sure the float of full water switch works normally Yes F0 Malfunction of Indoor Ambient Temperature Sensor Malfunction of indoor ambient temperature sensor Check i...

Страница 105: ...insert the temperature sensor on the needle stand Replace the temperature sensor Replace the indoor mainboard Yes No No Yes F2 Malfunction of Condenser Temperature Sensor Malfunction of condenser temp...

Страница 106: ...rectly insert the temperature sensor on the needle stand Replace the temperature sensor Replace the outdoor mainboard Yes No No Yes F4 Malfunction of Discharge Temperature Sensor Malfunction of discha...

Страница 107: ...Series DC Inverter Service Manual 104 F5 Malfunction of Wired Controller Temperature Sensor Malfunction of wired controller temperature sensor Replace the wired controller H6 Malfunction of Outdoor Fa...

Страница 108: ...ntrol wire of fan motor on the mainboard Operate the unit with the new motor Replace the indoor mainboard Yes No No Yes 2 2 Troubleshooting Flow Chart of Drive Malfunction Note For Outdoor Unit Drive...

Страница 109: ...P8 is displayed on the wired controller P8 is displayed in the mainboard 88 Indicating lamp Is the IPM or PFC module of mainboard tightened No Work normally Replace the mainboard Yes Tighten the IPM o...

Страница 110: ...mally Yes No P5 Compressor current protection H7 Compressor motor desynchronizing H5 IPM protection Ld Phase loss P5 H7 H5 or Ld is displayed in the mainboard 88 indicating lamp Is the compressor phas...

Страница 111: ...in the mainboard 88 indicating lamp Is the PFC wire tightened or is the sequence right Tighten the PFC wire or adjust the sequence Replace the mainboard Yes No Work normally ee driving board chip erro...

Страница 112: ...U Match Series DC Inverter Service Manual 109 H6 DC fan error...

Страница 113: ...DC fan motor2 1 pin Power supply of fan motor 3 pin Fan GND 4 pin 15V 5 pin Signal control 6 pin NC Interface of DC fan motor 1 pin DC bus voltage 2 pin Suspended 3 pin DC bus GND 4 pin 15V 5 pin Con...

Страница 114: ...pressure switch for system protection obligate Interface of high pressure protection 12 LPP Low pressure switch for system protection obligate Interface of low pressure protection 13 OVC COMP Compress...

Страница 115: ...uction wire blue 2 L1_1 PFC induction wire brown 3 N Neutral wire input white 4 AC L Live wire input red 5 COMM COMM1 Communication interface 6 JTAG1 Reserved 7 PWR Control power input 8 DC BUS1 Bus e...

Страница 116: ...1 2 3 5 4 6 7 No Printing Interface No Printing Interface 1 N OUT1 Neutral wire output 1 white only for 18k 2 N OUT Neutral wire output white 3 L OUT Live wire output red 4 E1 Grounding wire 5 E2 Rese...

Страница 117: ...ire brown 3 N Neutral wire input white 4 L2 2 PFC induction wire blue 5 L2 1 PFC induction wire yellow 6 L1 2 PFC induction wire white 7 PWR Control power input 8 JTAG1 Reserved 9 COMM Communication i...

Страница 118: ...5 6 7 1 2 No Printing Interface No Printing Interface 1 N OUT Neutral wire output white 2 L OUT Live wire output red 3 DC BUS DC bus interface connect to drive board 4 AC L Live wire input red 5 N Ne...

Страница 119: ...the IPM module is normal If any measured valve is 0 it indicates the IPM is damaged 2 4 2 Method of Testing PFC Module Short Circuit only for GUHD48ND3FO 1 Preparation before test prepare a universal...

Страница 120: ...U Match Series DC Inverter Service Manual 117 GUHD48ND3FO 3 WIRING DIADRAM 3 1 Outdoor unit The actual wiring should always refer to the wiring diagram of the unit Model GUHD18ND3FO...

Страница 121: ...U Match Series DC Inverter Service Manual 118 Model GUHD24ND3FO Model GUHD30ND3FO...

Страница 122: ...U Match Series DC Inverter Service Manual 119 Model GUHD36ND3FO Model GUHD42ND3FO...

Страница 123: ...es DC Inverter Service Manual 120 Model GUHD48ND3FO 3 2 Indoor unit The actual wiring should always refer to the wiring diagram of the unit 3 2 1 Duct Type Model GFH18D3FI GFH24D3FI GFH30D3FI GFH36D3F...

Страница 124: ...U Match Series DC Inverter Service Manual 121 Model GFH48D3FI 3 2 2 Floor Ceiling Type Model GTH18D3FI GTH24D3FI GTH30D3FI GTH36D3FI GTH42D3FI GTH48D3FI...

Страница 125: ...U Match Series DC Inverter Service Manual 122 3 2 3 Cassette Type Model GKH18D3FI Model GKH24D3FI GKH30D3FI GKH36D3FI GKH42D3FI...

Страница 126: ...U Match Series DC Inverter Service Manual 123 Model GKH48D3FI...

Страница 127: ...ion 1 Remove external casing 1 Remove the top cover and handle 2 Remove the grille outer case and right side plate 2 Remove motor 1 Remove the blade nut and then remove the blade 2 Remove the motor fr...

Страница 128: ...1 Remove external casing 1 Remove the top cover and handle 2 Remove the grille outer case front side plate and right side plate 2 Remove motor 1 Remove the blade nut and then remove the blade 2 Remov...

Страница 129: ...dling Instruction 1 Remove external casing 1 Remove the top cover and handle 2 Remove the grille outer case and right side plate 2 Remove motor 1 Remove the blade nut and then remove the blade 2 Remov...

Страница 130: ...compressor from chassis 5 Assemble unit Assemble the unit in the reverse procedures of disassembly 42k 48k Remark Before disassembly and assembly make sure that the unit has been cut off from the powe...

Страница 131: ...t fixing compressor 4 Take away the compressor from chassis 5 Assemble unit Assemble the unit in the reverse procedures of disassembly 4 2 Indoor Unit 4 2 1 Duct type Removal and Assembly of Fan Motor...

Страница 132: ...In which for the motor with automatic motor support the motor support shall be removed in advance and then changed to the unit 7 Assemble the unit in reverse to the disassembly procedures Assemble th...

Страница 133: ...he graph there are 2 fastening screws in the circle and the screws in the direction of arrow shall be disassembled too Disassembly of water containing plate Remark Make sure that the power supply is c...

Страница 134: ...time for disassembly shall be long put the copper tube under pressurized condition Step Illustration Handling Instruction 1 Disassembly of fixing screws on the side panels of evaporator Disassemble t...

Страница 135: ...or Step Illustration Handling Instruction 1 Loosen the screws fixing the water tray Use screwdriver to loosen the screws fixing the water tray 2 Remove the water tray Remove the water tray 3 Loosen th...

Страница 136: ...and replace it Remove the motor and replace it 7 Tighten the screws fixing the motor Use screwdriver to tighten the screws fixing the motor 8 Mount the fan and tighten the fixing bolts Mount the fan a...

Страница 137: ...tray Use screwdriver to loosen the screws fixing the water tray 2 Remove the water tray Remove the water pump and replace it 3 Pull out the water outlet pipe and loosen the screws fixing the water pum...

Страница 138: ...Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly Do not put filter screen near the high temperature heat source Step Illustration Handling I...

Страница 139: ...nd hit Step Illustration Handling Instruction Disassembly of electric box cover Disassemble 3 screws as shown by the arrow in the graph on left and remove the electric box cover Disassembly of air def...

Страница 140: ...ly of fixing plate sub assy for air sweeping fans Remove the display board mounting support and mounting plate of swing motor in turn Disassembly of fan and motor components Remark Make sure that the...

Страница 141: ...Disassembly of panel grating module Remark Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly Do not put filter screen near the high temperat...

Страница 142: ...row in the graph on left and remove the electric box cover Disassembly of air deflecting plate modules Remark Make sure the power supply is cut off before disassembling and protect all the parts durin...

Страница 143: ...ng motor in turn Disassembly of fan and motor components Remark Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly especially the fastening sc...

Страница 144: ...ove the motor attaching clamp and motor attaching clamp subassembly to remove the motor Disassembly of right and left fixing plates Remark Make sure that the power supply is cut off before disassembli...

Страница 145: ...is Sub assy 01195200028P 1 5 Electrical Heater 7651300403 1 6 Drainage hole Cap 06813401 3 7 Drainage Connecter 06123401 1 8 Compressor Overload Protector External 00180030 00183051 00183032 00183031...

Страница 146: ...d Sub Assy 01232902 1 30 Condenser Assy 01125200189 1 31 Terminal Board 420111451 1 32 Terminal Board 420101852 1 33 Supporting Board Condenser 01795010 1 34 Coping 01255005P 1 35 Electric Box Assy 01...

Страница 147: ...ter Compressor 7651873209 1 8 Chassis Sub assy 0119520001301P 1 9 Drainage hole Cap 06813401 3 10 Drainage Connecter 06123401 1 11 Compressor Overload Protector External 00180030 00183051 00183032 001...

Страница 148: ...01 1 31 Pressure Protect Switch 4602001539 1 32 Silencer 07245012 1 33 Condenser Support Plate 01175092 1 34 Magnet Coil 4300040045 1 35 Top Cover Sub Assy 01255007 1 36 Electric Box Assy 01395200487...

Страница 149: ...e Cap 06813401 3 8 Electrical Heater Compressor 7651873209 1 9 Drainage Connecter 06123401 1 10 Compressor Overload Protector External 00180030 00183051 00183032 00183031 1 11 Compressor Gasket 767130...

Страница 150: ...l 4300040045 1 32 Condenser Support Plate 01175092 1 33 Terminal Board 420101852 1 34 Terminal Board 420111451 1 35 Main Board 30224000038 1 36 Top Cover Sub Assy 01255007 1 37 Main Board 30221000010...

Страница 151: ...Fan 10335010 1 6 Chassis Sub assy 01195244P 1 7 Electrical Heater Compressor 7651873209 1 8 Drainage Joint 26113009 1 9 Compressor Overload Protector External 00180030 00183051 00183032 00183031 1 10...

Страница 152: ...Protect Switch 4602000902 1 30 4 way Valve 43000338 1 31 Condenser support plate 01895242 1 32 Magnet Coil 4300040045 1 33 Terminal Board 420101852 1 34 Terminal Board 42011242 1 35 Main Board 3022400...

Страница 153: ...de Plate 01314100021P 1 6 Axial Flow Fan 10434100003 2 7 Chassis Sub assy 01195200020P 1 8 electrical heater 7651873224 1 9 Drainage hole Cap 6813401 3 10 Drainage Connecter 6123401 1 11 Gas liquid Se...

Страница 154: ...0026 1 31 4 way Valve 43000338 1 32 Pressure Protect Switch 4602000902 1 33 Magnet Coil 4300040032 1 34 Terminal Board 420101852 1 35 Terminal Board 42011242 1 36 Main Board 30224000036 1 37 Filter Bo...

Страница 155: ...6 Axial Flow Fan 10434100003 2 7 Chassis Sub assy 01195200020P 1 8 electrical heater 7651521215 1 9 Drainage hole Cap 06813401 3 10 Drainage Connecter 06123401 1 11 Pressure Protect Switch 46020007 1...

Страница 156: ...0026 1 32 4 way Valve 43000338 1 33 Pressure Protect Switch 4602000902 1 34 Magnet Coil 4300040032 1 35 Terminal Board 420101852 1 36 Terminal Board 42011242 1 37 Main Board 30224000035 1 38 Filter Bo...

Страница 157: ...Propeller Housing 22202029 2 4 Centrifugal fan 10319051 2 5 Left Side Plate Sub Assy 01315200062 1 6 Electric Box Assy 01395200452 1 7 Terminal Board 42010194 1 8 Terminal Board 4201025301 1 9 Main Bo...

Страница 158: ...ght Side Plate Sub Assy 01315200077 1 22 Choke Plug of Water Pipe 76712454 1 23 Right Support of Evaporator 01078625 1 24 Centrifugal fan assy 15405200031 1 25 Front Volute Casing 22202030 2 26 Return...

Страница 159: ...05200075 1 6 Water Pump 43138220 1 7 Pump Drainpipe 05235301 1 8 Water Level Switch 45018012 1 9 Cover Of Air In 01258650 1 10 Bottom Cover Plate 01265409 1 11 Seal Of Left Side Plate Sub Assy 0149412...

Страница 160: ...01265200095 1 26 Front Volute Casing 22202030 2 27 Fan Motor 15704100001 1 28 Supporter 01804100140 1 29 Return air frame sub assy 01498641 1 30 Hook 02112446 4 31 Centrifugal fan assy 15405200031 1 3...

Страница 161: ...9 Water Tray Assy 01285317 1 10 Left Side Plate Assy 01314155 1 11 Choke Plug of Drain Pipe 76712455 1 12 Evaporator Assy 01025200050 1 13 Filter Sub Assy 11125303 2 14 filter guide groove sub assy 02...

Страница 162: ...1 11 Main Board 30224000030 1 12 Electric Box Assy 01395200453 1 13 Right Side Plate Sub Assy 01315200057 1 14 Water Pump Assy 15405392 1 15 Centrifugal fan assy 15405200029 1 16 Blower 15012458 1 17...

Страница 163: ...9 Water Tray Assy 01285317 1 10 Left Side Plate Assy 01314155 1 11 Choke Plug of Drain Pipe 76712455 1 12 Evaporator Assy 01025200050 1 13 Filter Sub Assy 11125303 2 14 filter guide groove sub assy 02...

Страница 164: ...Pump 43138220 1 8 Pump Drainpipe 05235301 1 9 Terminal Board 42010194 1 10 Terminal Board 4201025301 1 11 Main Board 30224000030 1 12 Electric Box Assy 01395200453 1 13 Right Side Plate Sub Assy 01315...

Страница 165: ...51 2 3 Centrifugal Fan 10424100001 2 4 Propeller Housing Lower 26904100052 2 5 Left Side Plate Assy 01315306 1 6 Evaporator Assy 01025200052 1 7 Supporting Board of evaporator 018953022 1 8 Side Plate...

Страница 166: ...ilter Sub Assy 111253031 2 2 Supporting Board of evaporator 018953022 1 3 Side Plate of Air intake 01375301 1 4 Evaporator Assy 01025200052 1 5 Lower Cover Plate Sub Assy 15265301 1 6 Pump Drainpipe 0...

Страница 167: ...odel GFH42D3FI exploded view and spare parts list NO Name of Part GFH42D3FI Product Code CF060N0600 Part Code Quantity 1 Top Cover Board Assy 01265200086 1 2 Propeller Housing Upper 26904100051 2 3 Ce...

Страница 168: ...the SP in global service website Model GFH42D3FI with water pump exploded view and spare parts list NO Name of Part GFH42D3FI Product Code CF060N0610 Part Code Quantity 1 Filter Sub Assy 111253031 2...

Страница 169: ...25 Temperature Sensor 390001921G 1 26 Display Board 30294000007 1 27 Ambient Temperature Sensor 3900012123 1 Above data is subject to change without notice pls reference the SP in global service webs...

Страница 170: ...94 1 20 Terminal Board 4201025301 1 21 Radiator 49018000068 1 22 Main Board 30221000011 1 23 Main Board 30224000039 1 24 Top Cover Board Assy 01265200081 1 Above data is subject to change without noti...

Страница 171: ...28 1 19 Display Board 30294000007 1 20 Top Cover Board Assy 01265200081 1 21 Hook 02205209 4 22 Front Side Plate Sub Assy 01315200091 1 23 Brushless DC Motor 15709400008 1 24 Blower Mounting Plate Sub...

Страница 172: ...1 12 Terminal Board 42010274 1 13 Terminal Board 42011147 1 14 Terminal Board 42011103 2 15 Main Board 30224000028 1 16 Right Side Plate Sub Assy 01319400013 2 17 Base Plate Assy 02229400007 1 18 Brus...

Страница 173: ...ator Support Assy 01072703 2 5 Evaporator Assy 0102940004 5 1 6 Connected Board Assy of Evaporator 01074042 1 7 Strainer 07212403 1 8 Body Installing Plate 01332701 4 9 Left Side Plate Assy 01302715 1...

Страница 174: ...y 01302716 1 21 Water Pump 43130324 1 22 Brushless DC Motor 1570940000 4 1 23 Rear Side Plate Assy 01302714 1 24 Remote Controller 30510516 1 25 Drain Hose Sub Assy 05232702 1 26 Temperature Sensor 39...

Страница 175: ...y 0130271301 1 10 Terminal Board 42011222 1 11 Main Board 30224000028 1 12 Terminal Board 4201025301 1 13 Electric Box Assy 01399400128 1 14 Pump Drainpipe 05230026 1 15 Water Level Switch 45018012 1...

Страница 176: ...y 0130271301 1 10 Terminal Board 42011222 1 11 Main Board 30224000028 1 12 Terminal Board 4201025301 1 13 Electric Box Assy 01399400128 1 14 Pump Drainpipe 05230026 1 15 Water Level Switch 45018012 1...

Страница 177: ...y 0130271301 1 10 Terminal Board 42011222 1 11 Main Board 30224000028 1 12 Terminal Board 4201025301 1 13 Electric Box Assy 01399400128 1 14 Pump Drainpipe 05230026 1 15 Water Level Switch 45018012 1...

Страница 178: ...8 2 9 Front Side Plate 01319447 1 10 Body Installing Plate 01329420 4 11 Brushless DC Motor 15709400002 1 12 Drainage Hose 05339401 1 13 Water Level Switch 4501801201 1 14 Water Pump 4313822001 1 15 S...

Страница 179: ...lume 26909442 1 6 Installation Supporting Frame 01809402 1 7 Axile Bush 10542704 2 8 Right Side Plate Sub Assy 01319429 1 9 Water Releasing Flume 26909450 1 10 Connected Board Evaporator 01349421 1 11...

Страница 180: ...01249416 1 34 Support Of Motor Bearing 01792408 2 35 O Gasket of Bearing 76512404 2 36 Rotary Axis Sub Assy 73018000037 2 37 Centrifugal fan 10425200 4 38 Joint Slack 73018731 2 39 Supporter 01809400...

Страница 181: ...rame 01809402 1 7 Axile Bush 10542704 2 8 Right Side Plate Sub Assy 01319429 1 9 Water Releasing Flume 26909450 1 10 Connected Board Evaporator 01349421 1 11 Air Louver 10619404 16 12 Guide Louver Sup...

Страница 182: ...or Bearing 01792408 2 35 O Gasket of Bearing 76512404 2 36 Rotary Axis Sub Assy 73018000037 2 37 Centrifugal fan 10425200 4 38 Joint Slack 73018731 2 39 Supporter 01809400024 1 40 Bar Clasp sub assy 7...

Страница 183: ...5 Air Louver 26909418 18 6 Swing Lever 10582009 2 7 Right Cover Plate 26909422 1 8 Installation Supporting Frame 01809402 1 9 Connection Board 02229406 1 10 Right Side Plate Sub Assy 01319408 1 11 Ri...

Страница 184: ...d 4201025301 1 34 Terminal Board 42010178 1 35 Left Cover Plate 2690941601 1 36 Bracket 1 01809404 1 37 O Gasket of Bearing 76512404 1 38 Support Of Motor Bearing 01792408 1 39 Centrifugal fan 1041410...

Страница 185: ...5 Air Louver 26909418 18 6 Swing Lever 10582009 2 7 Right Cover Plate 26909422 1 8 Installation Supporting Frame 01809402 1 9 Connection Board 02229406 1 10 Right Side Plate Sub Assy 01319408 1 11 Rig...

Страница 186: ...d 4201025301 1 34 Terminal Board 42010178 1 35 Left Cover Plate 2690941601 1 36 Bracket 1 01809404 1 37 O Gasket of Bearing 76512404 1 38 Support Of Motor Bearing 01792408 1 39 Centrifugal fan 1041410...

Страница 187: ...8 2 5 Air Louver 26909418 18 6 Swing Lever 10582009 2 7 Right Cover Plate 26909422 1 8 Installation Supporting Frame 01809402 1 9 Connection Board 02229406 1 10 Right Cover Plate 01319408 1 11 Right F...

Страница 188: ...d 4201025301 1 34 Terminal Board 42010178 1 35 Left Cover Plate 2690941601 1 36 Bracket 1 01809404 1 37 O Gasket of Bearing 76512404 1 38 Support Of Motor Bearing 01792408 1 39 Centrifugal fan 1041410...

Страница 189: ...ler 30510516 1 5 Air Louver 26909418 24 6 Right Cover Plate 26909422 1 7 Right Side Plate Sub Assy 01319408 1 8 Connection Board 02229406 1 9 Right Foam Assy 12509425 1 10 Axile Bush 10542704 2 11 Pla...

Страница 190: ...31 Left Cover Plate 2690941601 1 32 Bracket 1 01809404 1 33 Support Of Motor Bearing 01792408 2 34 O Gasket of Bearing 76512404 2 35 Front volute casing 26905208 4 36 Rotary Axis Sub Assy 73018052 2...

Страница 191: ...U Match Series DC Inverter Service Manual 188 JF00302305...

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