Ballu KF-25GWE Service Manual Download Page 2

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1. PART NAMES AND FUNCTIONS

Air intake grille

INDOOR UNIT

Air outlet

Remote
control
unit

Drain hose

Refrigerant tubes

OUTDOOR UNIT

Air outlet

INDOOR UNIT

OPERATING lamp

TIMER lamp

POWER lamp

POWER

TIMER

OPERATING

HI POWER

HIGH
POWER
lamp

REMOTE CONTROL receiver ON/OFF button

ON/OFF

KFR-3301GWE KFR-3201GWE

KFR-2501GWE KFR-33GWE

KF(R)-25GWE KF-34GWE

Summary of Contents for KF-25GWE

Page 1: ...TLINES AND DIMENSIONS 4 WIRING DIAGRAM 5 REFRIGERANT SYSTEM DIAGRAM 6 PERFORMANCE DATA 7 CONTROL MODE 8 TROUBLESHOOTING 9 SERVICE FLOW CHART 10 SENSOR PARAMETER 11 DISASSEMBLY INSTRUCTIONS 12 PARTS LI...

Page 2: ...e control unit Drain hose Refrigerant tubes OUTDOOR UNIT Air outlet INDOOR UNIT OPERATING lamp TIMER lamp POWER lamp POWER TIMER OPERATING HI POWER HIGH POWER lamp REMOTE CONTROL receiver ON OFF butto...

Page 3: ...CANCEL button TIMER ON OFF button Display REMARK The remote controller transmits signal to indoor unit at 3 minutes intervals If the indoor unit has not received the signal for more than 10 minutes du...

Page 4: ...OWER button FLAP button TIMER SET CANCEL button TIMER ON OFF button Display REMARK The remote controller transmits signal to indoor unit at 3 minutes intervals If the indoor unit has not received the...

Page 5: ...sensor Switch button Power plug Air outlet Vertical vane Horizontal vane Air inlet Front panel INDOOR UNIT OUTDOOR UNIT Display panel Tubes and cable Drainage hose Drainage hole bottom Air outlet Air...

Page 6: ...on Press the button marked or to increase or decrease the temperature Mode selection button Auto heating dehumidification Fan cooling Fan speed selection button Reset button Press the button after bat...

Page 7: ...oor unit sensor inside Switch button Power plug Air outlet Vertical vane Horizontal vane Air inlet Front cover INDOOR UNIT OUTDOOR UNIT Display panel Air fresh filter Tubes Drainage hose Air inlet rea...

Page 8: ...run press again to cease Temperature setting button Press the button marked or to increase or decrease the temperature Mode selection button Auto dehumidification Fan cooling Fan speed selection butt...

Page 9: ...resistance at20 280 280 Model UE6 C21C4 UE6 C21C4 Outdoor fan motor Winding resistance at20 296 296 Width mm 805 805 Height mm 265 265 Indoor unit Depth mm 148 148 Width mm 750 750 Height mm 530 530 D...

Page 10: ...Winding resistance at20 280 280 Model UE6 C21C4 UE6 C21C4 Outdoor fan motor Winding resistance at20 296 296 Width mm 805 805 Height mm 265 265 Indoor unit Depth mm 148 148 Width mm 750 750 Height mm 5...

Page 11: ...ndoor fan motor Winding resistance at20 280 280 Model UE6 C21C4 UE6 C21C4 Outdoor fan motor Winding resistance at20 296 296 Width mm 805 805 Height mm 265 265 Indoor unit Depth mm 148 148 Width mm 750...

Page 12: ...28 4 751 Indoor fan motor Winding resistance at20 Model UE6 C51A4 KFG6S C41A4 Outdoor fan motor Winding resistance at20 103 92 Width mm 905 905 Height mm 285 285 Indoor unit Depth mm 235 235 Width mm...

Page 13: ...inding resistance at20 280 Model UE6 C21C4 Outdoor fan motor Winding resistance at20 296 Width mm 805 Height mm 265 Indoor unit Depth mm 148 Width mm 750 Height mm 530 Dimensions Outdoor unit Depth mm...

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Page 18: ...APORATOR TERMINAL TO OUTDOOR UNIT FLAP MOTOR CONTROL BOARD SWITCH ASSY YLW GRN YLW GRN BRN BRN BRN BRN BLU BLU RED BLK BLK WHT WHT BRN BLK YLW RED ORG YLW PNK BLU 1 2 3 4 5 S R C TO INDOOR TERMINAL CO...

Page 19: ...SENSOR POWER SOCKET EVAPORATOR TERMINAL PANEL CONECTION WITH OUTDOOR UNIT STEP MOTOR STEP MOTOR CONTROL BOARD SWITCH PANEL DISPLAY PANEL YEL GRN YEL GRN BRN BRN BRN BRN BLU BLU RED BLK BLK BLK BLK WHT...

Page 20: ...SOR SENSOR POWER SOCKET EVAPORATOR TERMINAL PANEL CONECTION WITH OUTDOOR UNIT STEP MOTOR STEP MOTOR CONTROL BOARD DISPLAY PANEL SWITCH PANEL YEL GRN YEL GRN BRN BRN BRN BRN BLU BLU RED BLK BLK BLK BLK...

Page 21: ...n Indoor coil sensor sensor Indoor temperature 1 42x600 KF 25GWE Compressor Capillary tube 6 3 5 With heat insulator 6 35 Heat exchanger Flare connection Rerigerant pipe Flare connection With heat ins...

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Page 26: ...5GWE 15 9 52 6 35 KFR 3201GWE 15 12 7 6 35 KFR 33GWE 15 12 7 6 35 MAX HEIGHT DIFFERENCE Indoor unit Refrigerant piping Max length Max Height A difference 5m Outdoor unit ADDITIONAL REFRIGERANT CHARGE...

Page 27: ...it Outdoor unit KFR 4801GWE 15 12 7 6 35 KF 5002GWE 15 12 7 6 35 MAX HEIGHT DIFFERENCE Indoor unit Refrigerant piping Max length Max Height A difference 7m Outdoor unit ADDITIONAL REFRIGERANT CHARGE R...

Page 28: ...he gage manifold valve and stop the vacuum pump Leave it as is for one or two minutes Make sure the pointer of thegage manifold valve remains in the same position Close Open Hexagonal wrench Stop valv...

Page 29: ...2587 1029 2341 1102 2137 1188 16 2539 848 2383 883 2166 990 1982 1086 1802 1177 1700 1241 18 2832 853 2640 908 2402 962 2199 1055 2058 1110 1925 1177 20 2999 853 2824 920 2611 959 2416 1029 2223 1120...

Page 30: ...V 25 1560 804 1950 867 2265 928 2685 1010 3062 1117 3032 1126 15 1936 796 2177 828 2627 901 2905 903 3334 977 3386 1041 20 1861 836 2076 871 2525 939 2954 1012 3436 1128 3424 1122 KFR 2501GWE 240V 25...

Page 31: ...2 Temporary Switch 2 1 Press the temporary switch to start the unit and press it once again to stop the unit the control unit makes a judge according to the room temperature to select the correspondi...

Page 32: ...time Once a mode is selected it will not change within 30 minutes 3 3 If the difference between the room temperature and temperature setting is above 3 the run mode can be changed immediately 3 4 Whe...

Page 33: ...rection of Temperature Difference 5 High Direction of Temperature Difference 5 High Fan speed 3 2 Outdoor fan speed Single speed motor starts or stops as soon as the compressor starts or stops 4 6 The...

Page 34: ...is interrupted the outdoor 4 way valve turns off after a 1 minutes and 40seconds delay andthe indoor fanstops after a40 seconds delayto blow outthe residual heat 6 5 Cold air prevention function When...

Page 35: ...ode only applicable to the model with heat pump forcooling and heating 7 1 Frost is removedby reverse ofthe 4 way valve 7 2 Conditioner for enteringin the defrostingmode After the unit gets started in...

Page 36: ...at the air intake of the indoor unit The default air outlet setting is subject to the remote controller s 35 The air conditioner will enter defrosting as long as any of the three conditions is satisfi...

Page 37: ...controller the air conditioner enters the timer off status When the set time is up the air conditioner turns off after receiving the signal from the remote controller If the air conditioner has not r...

Page 38: ...r overcurrent protection Depends on the overcurrent protection value of the overload protection device in a model 2 Indoor heat exchanger overheat protection Refer to the heating mode 3 Indoor heat ex...

Page 39: ...es Replace the indoor control board Timer light flickers Indoor coil sensor trouble Replace the indoor coil sensor Replace the indoor control board N o Y es Does the LED display Normally Is the wires...

Page 40: ...artup the air conditioner Is the system in good condition Is compressor still running Is indoor heat exchanger very hot Is the system in good condition Is the system in good condition Timer and runnin...

Page 41: ...ntroller Does the socket of indoor control board have power input Timer and running and power light flicker over current trouble No Outdoor wave filter board trouble and replace it Out door control bo...

Page 42: ...4 3 772 2 7738 59 1 612 3 7231 9 10 1 1 5878 35 3 637 2 8188 60 1 562 3 7528 10 9 684 1 6338 36 3 508 2 8631 61 1 513 3 7824 11 9 284 1 6805 37 3 384 2 907 62 1 467 3 8106 12 8 903 1 7276 38 3 265 2 9...

Page 43: ...4 896 2 4489 52 2 021 3 4965 2 13 71 1 2765 28 4 714 2 4963 53 1 956 3 5306 3 13 11 1 3195 29 4 539 2 5436 54 1 893 3 5644 4 12 55 1 3623 30 4 372 2 5904 55 1 832 3 5977 5 12 01 1 4063 31 4 212 2 636...

Page 44: ...board 4 Take out the screws of the terminal board and remove the terminal board 5 Disconnect the circuitry of the printed circuit board 6 Remove and check up the printed circuit board 7 Disconnect all...

Page 45: ...flow fan and the fan motor 2 Remov ethe fan motor and the bearing ass y 3 Remove the cross flow fan 5 3 Remove the air outlet 1 Take out the screws of the air outlet 2 Remove the atepper motor 3 Disc...

Page 46: ...Remove the right side panel 2 Remove the left side panel 1 Take out the scres of the left side panel 2 Remove the left side panel 2 Remove the front panel 1 Take out the screws of the front panel 2 R...

Page 47: ...n 2 Remove the outside fan 3 Take out the screws of the fan supportor and remove the fan supportor 5 Remov ethe outside fan 3 Remove the electrical board 1 Disconnect all the circuitries of the termon...

Page 48: ...rminal board 4 Remove the display board 5 Disconnect the circuitries of the printed circuit board 6 Remove and check up the printed circuit board 7 Disconnect all the circuitries of the electrical pri...

Page 49: ...screws of the evaporator and remove the evaporator 4 Remove the evaporator Scres 5 Remove the cross flow fan and the fan motor 1 Take out the screws of the motor cover and remove the motor cover 2 Rem...

Page 50: ...CTIONS KFR 4801WE 1 Remove the front panel 1 Remove the valve cover 2 Remove the side cover 3 Remove the front panel Screws Screws Front panel Side cover Valve cover Screws Back guard Screws 49 OPERAT...

Page 51: ...kwise and remove The outside fan Electrical control box ass y Fan motor wire Noise defending cover Nut Outside fan 3 Remove the fan motor 1 Remove all the terminals of the fan motor wire 2 Take out th...

Page 52: ...box ass y Compressor wire Discharge tube Back guard Compressor Liquid tank Terminal cover Noise dfending cover 5 Remove the compressor 1 Remove the back guard 2 remove the compressor terminal Cover an...

Page 53: ...12 PARTS LIST KFR 33GE 52 KF R 25GE KFR 2501GE KFR 3301GE KF 34GE KFR 3201GE...

Page 54: ...12 PARTS LIST KFR 33WE KF R 25WE KFR 2501WE KFR 3301WE KF 34WE KFR 3201WE 53...

Page 55: ...12 PARTS LIST KF 5002WE 54...

Page 56: ...PCB Ass y 1 5 R ZA 0 5172 167 XX 0 PCB Ass y 5 R ZA 0 5172 292 XX 0 PCB Ass y 1 6 R ZA 0 0054 034 XX 0 Remote Controller 1 6 851 0 0054 287 00 Remote Controller 1 6 RZA 0 0054 036 XX F Remote Control...

Page 57: ...852 2 2360 130 01 1 Vane 1 1 1 1 1 1 26 852 2 2348 118 00 0 Drainage Vent Tuck 1 1 1 1 1 1 27 852 0 2201 287 01 0 Base Ass y 1 1 1 1 1 1 28 852 2 2369 316 01 0 Bottom Cover 1 1 1 1 1 1 29 852 2 2316 1...

Page 58: ...3 6 851 2 2390 236 00 C Rubber Gasket 3 6 RZA 2 2390 001 XX 0 Rubber Gasket 3 3 3 7 852 2 2476 448 00 0 Noise Defending Cover 1 1 1 1 1 1 1 8 R ZA 0 4102 012 XX 0 Condenser Ass y 1 8 852 0 4102 774 0...

Page 59: ...78 XX A Base Ass y 1 1 1 1 20 852 0 2209 232 00 0 Separator Support Plate 1 1 1 1 1 1 1 21 852 2 2476 450 00 0 Noise Defending Cover 1 1 1 1 1 1 1 22 852 0 4501 546 00 C Valve Ass y 1 1 22 852 0 4501...

Page 60: ...12 PARTS LIST 59 KF 5002GE KF 4801GE 24 23 27 26 25 4 3 21 2 1 8 5 6 7 18 29 17 16 35 32 22 33 34 20 30 31 19 38 36 37 13 12 10 9 28 11 14 15...

Page 61: ...ting Plate 1 17 RZA 2 2369 010 XX 0 Down Right Cover 1 18 RZA 0 0000 050 XX 1 Fan Motor 1 19 RZA 0 2514 103 XX 0 Motor Guard 1 20 RZA 0 1504 020 XX 0 Air Outlet Frame 1 21 RZA 0 0000 048 XX 0 Stepper...

Page 62: ...12 PARTS LIST KF 4801WE 2 3 4 5 6 7 14 15 17 18 16 1 8 9 10 11 20 12 21 13 19 22 23 24 25 26 61...

Page 63: ...s y 1 8 RZA 0 5302 003 XX 0 Side Cover Ass y 1 9 RZA 2 2369 001 XX 1 Valve Cover 1 10 RZA 0 4525 026 XX 0 4 Way Valve Ass y 1 11 RZA 0 4501 043 XX 0 1 4 Valve Ass y 1 12 RZA 0 4501 044 XX 0 1 2 Valve...

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