Ballu KFR-28GW/BP Series Service Manual Download Page 1 | Manualshive

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CONTENTS

KFR    - 5 701GW/Y2BPE
KFR    - 2 601GW/BPE*2
KFR    - 2 8     GW /BPE*2

SERVICE MANUAL

SPLIT TYPE INVERTER AIR CONDITIONER

1.PART   NAMES AND FUNCTIONS...........
2.SPECIFICATION...................................
3.OUTLINES 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  LIST ......................................

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Summary of Contents for KFR-28GW/BP Series

Page 1: ...T TYPE INVERTER AIR CONDITIONER 1 PART NAMES AND FUNCTIONS 2 SPECIFICATION 3 OUTLINES AND DIMENSIONS 4 WIRING DIAGRAM 5 REFRIGERANT SYSTEM DIAGRAM 6 PERFORMANCE DATA 7 CONTROL MODE 8 TROUBLESHOOTING 9...

Page 2: ...Air inlet grille Air from the room is drawn into this section and passes through air flitters that remove dust Remote control unit used for controlling power ON OFF setting operation mode temperature...

Page 3: ...control unit is lost or has fault this button is used to start the air conditioner Display mode Operating mode Cooling Heating Fan Dehumidification Automatic Background light color Green Orange Green...

Page 4: ...ng Fan Speed Selection Sleep Mode Selection Reset Press the button after batteries are loaded and indication appears on LCD Duel Energy saving This function can be used for Restricting the max electri...

Page 5: ...r coil sensor Air inlet Horizontal vane Air outlet air inlet grille air freshing filter air filter indoor coil sensor air inlet Impeller up down adjustment impeller left right adjustment air outlet 1...

Page 6: ...5 OUTDOOR UNIT Tubes and cable Drainage hose Air inlet rear and side Air outlet Drainage hole bottom Valve cover 1 PART NAMES AND FUNCTIONS...

Page 7: ...marked or to increase or decrease the temperature Mode Selection Button Auto Heating Dehumidification Fan Cooling Fan Speed Selection Button Reset Press the button after batteries are loaded and indic...

Page 8: ...t Air outlet Remote control unit Remote control Front panel Drainage hose Drainage hose Refrigerant tubes Outdoor unit Air outlet Front panel Air inlet grille Your air conditioner consists of two indo...

Page 9: ...it When the remote control unit is lost or has fault this button is used to start the air conditioner Display mode Operating mode Cooling Heating Fan Dehumidification Automatic Background light color...

Page 10: ...dification Fan Cooling Fan Speed Selection Sleep Mode Selection Reset Press the button after batteries are loaded and indication appears on LCD Duel Energy saving This function can be used for Restric...

Page 11: ...R 0 288 0 206 0 146 Coefficient of performance C O P 2 7 2 8 Model C 7RV113H0W Output W 1100 Compressor Winding resistance at20 0 63 Model Indoor fan motor Winding resistance at20 6 8 Model UE6T C51A4...

Page 12: ...146 Coefficient of performance C O P 2 7 2 75 Model YZSB 35RA Output W 1450 Compressor Winding resistance at20 0 695 Model YYW11 2 Indoor fan motor Winding resistance at20 BLK WHT 269 WHT RED 425 Mode...

Page 13: ...motor Winding resistance at20 BLK WHT 269 WHT RED 425 BLU YEL343 YEL RED396 Model UE6T C51A4 Outdoor fan motor Winding resistance at20 WHT PUR57 3PUR YEL39 3 YEL PEA57 3WHT TAW102 9 Width mm 2501G 805...

Page 14: ...5 REFRIGERANT SYSTEM DIAGRAM 3 OUTLINES AND DIMENSIONS KFR 28G BPEX2...

Page 15: ...5 REFRIGERANT SYSTEM DIAGRAM 3 OUTLINES AND DIMENSIONS 14 KFR 2601G BPE 2...

Page 16: ...1 2 1 1 2 2 ACIN1 L ACIN2 N 2 3 0 1 2 3 4 5 1 15 Power transformer Magnetic coil Heat exchanger temp Indoor temp Terminal board Evaporator Connection outdoor unit Step motor Fan motor Display panel C...

Page 17: ...D IPM BOARD DISCHARGE SENSOR OUTDOOR SENSOR CONDENSOR SENSOR TUBE TEMP CONTROL BOARD ELECTRONIC EXPANSION VALVE 4 WAY VALVE FAN CAPACITOR ELECTRONIC EXPANSION VALVE BLK BLK BLK BLK BLK BLK BLK BLK BLK...

Page 18: ...GRA GRA SW WHT BLK BLK BLK BLK 1 2 3 4 EVAPORATOR TEMP SENSOR ROOM TEMP SENSOR WHT GRA GRA GRA GRA GRA GRA LAMP BLK INDICATOR PANEL HORI MOTOR RIGHT HORI MOTOR LEFT VERT MOTOR RED ORG YEW PNK BLU RED...

Page 19: ...BOARD IPM BOARD DISCHARGE SENSOR OUTDOOR SENSOR CONDENSOR SENSOR TUBE TEMP CONTROL BOARD ELECTRONIC EXPANSION VALVE 4 WAY VALVE FAN CAPACITOR ELECTRONIC EXPANSION VALVE BLK BLK BLK BLK BLK BLK BLK BL...

Page 20: ...2 HALL PULSE FM SI 4 COIL 1 2 1 2 1 1 2 2 ACIN1 L ACIN2 N 2 3 0 1 2 3 4 5 1 Power transformer Magnetic loop Heat exchanger temp Indoor temp Terminal plate Evaporator Connection outdoor unit Step motor...

Page 21: ...CN07 1 FAN CN07 2 FAN CN07 3 5V CN11 1 PH CN11 2 GND CN11 3 SW CN15 1 GND CN15 2 SI CN06 1 TRANSE CN04 1 TRANSE CN04 2 TRANSE CN05 1 TRANSE CN05 2 TRANSE CN10 1 TRANSE CN10 3 CAP CN06 1 CAP CN06 2 4 6...

Page 22: ...POWER VAVE FILTER BOARD IPM BOARD DISCHARGE SENSOR OUTDOOR SENSOR CONDENSOR SENSOR TUBE TEMP CONTROL BOARD ELECTRONIC EXPANSION VALVE 4 WAY VALVE FAN CAPACITOR ELECTRONIC EXPANSION VALVE BLK BLK BLK B...

Page 23: ...5 REFRIGERANT SYSTEM DIAGRAM 22...

Page 24: ...5 REFRIGERANT SYSTEM DIAGRAM 23...

Page 25: ...he gage manifold valve and stop the vacuum pump Lea ve it as is for one or two minutes Make sure the pointer of the gage ma nifold valve rema ins in the sa me pos ition Close Open Hexagonal wrench Sto...

Page 26: ...1418 2621 1464 2332 1449 20 3493 1339 3396 1331 3341 1435 3094 1438 2833 1469 2664 1424 KFR 2601GW BPE 220V 22 3574 1341 3529 1349 3407 1363 3259 1400 3008 1402 2541 1291 16 3298 1386 3280 1495 2955 1...

Page 27: ...09 4184 1594 4674 1688 20 2891 1543 3315 1712 3333 1795 3863 1760 4151 1668 4267 1609 KFR 2601GW B PE 220V 25 2615 1608 3044 1679 3174 1670 3570 1741 3847 1646 3583 1346 15 2846 1495 3266 1639 3737 18...

Page 28: ...2456 1466 2920 1750 18 3911 1407 3738 1515 3760 1473 3582 1594 3440 1733 3182 1750 20 4144 1423 4059 1416 3996 1488 3852 1619 3714 1765 3255 1748 KFR 3201G Y2 BPE 22 4357 1437 4321 1436 4235 1499 4106...

Page 29: ...1186 3097 1142 15 3345 1783 3478 1832 3740 1660 4782 2176 5336 2142 5263 1760 5266 1685 20 2735 1729 3389 1955 4014 2182 4515 2253 4584 1949 4705 1690 4537 1364 KFR 3201G Y2 BPE 25 2807 1876 2527 1759...

Page 30: ...conditioner can display temperature setting room temperature and outdoor temperature respectively The temperature can be switched over by the help of the Temperature Switch button on the remote contr...

Page 31: ...expansion valve 1 This air conditioner employs two electronic expansion valves They control the flow rate of the refrigerant in the indoor unit Aand outdoor unit B respectively The valve s control ab...

Page 32: ...remote controller a Model KFR 28GW BPx2 2801 GW BPx2 Low 900 rpm Medium 1 100 rpm High 1 200 rpm High efficiency 1 300 rpm b KFR 2601 GW BPx2 Low 1 350 rpm Medium 1 500 rpm High 1 600 rpm High efficie...

Page 33: ...of capacity 7 Anti freezing for evaporator 2 Tindoor coil pipe 5 the compressor frequency is prohibited from ascending 1 Tindoor coil pipe 2 the compressor frequency goes down Tindoor coil pipe 1 the...

Page 34: ...able by referring to the V F curve of the compressor Single Double Minimum Maximum Rated Frequency Minimum Maximum Rated Frequency 35 85 56 15 120 90 4 Control of 4 way valve The 4 way valve is always...

Page 35: ...l pipe 65 the compressor stops The indoor heat exchanger temperature 56 the outdoor airflow rate is switched Over to the low airflow rate and the compressor frequency drops 56 the indoor heat exchange...

Page 36: ...he trouble code is displayed 6 Protection against instantaneous interruption In case of instantaneous interruption of the AC supply the compressor is interrupted and the trouble code is displayed 7 Ti...

Page 37: ...ensor abnormal Thermistor short circuited or open circuited 3 Heat exchanger frozen 4 Heat exchanger overheated 5 Communication in trouble 8 Indoor fan in trouble 1 Outdoor ambient temperature sensor...

Page 38: ...the outdoor heat exchanger Thermistor short circuited or open circuited 3 Compressor overheated Thermistor short circuited or open circuited or compressor overheated 4 Outdoor capillary tubeA tempera...

Page 39: ...arting the machine the start is delayed for 3 minutes for protection 3 11 Communication trouble when the outdoor unit is turned on the indoor unit will shut down the indoor unit 3 minutes later if the...

Page 40: ...winding Does it receive the signal of remote controller Is remote controller in good condition After replacing the display board Is there still trouble After replacing the indoor board Is there still...

Page 41: ...ication trouble between Indoor unit and outdoor unit replace the outdoor control board Fan motor or indoor control board trouble Yes Yes Is the indoor fan speed too low Is there too much dirt on air f...

Page 42: ...TC Yes Ourdoor control board trouble and replace it Is the terminal P and N of IPM board short circuit Replace the outdoor control board or wave filter board Is the electrotic capacitor short circuit...

Page 43: ...cross fan by hand do they rotate smoothly Is resistance of main winding 0 short circuit Does fan motor stop with the remote controller Does the socket of indoor control board have power input Running...

Page 44: ...and replace it No Yes Yes No Yes Compressor trouble Outdoor wave filter board trouble and replace it Outdoor control board No Yes High power indicator lights up 8 Voltage of power supply is abnormal...

Page 45: ...art up the air conditioner in 30 minutes doen it work Normally IPM trouble appear frequently Does the trouble diappear in 3 minutes High power and running indicator light up 9 power supply fail moment...

Page 46: ...5 REFRIGERANT SYSTEM DIAGRAM 6 PERFORMANCE CURVES 5 REFRIGERANT SYSTEM DIAGRAM 9 SERVICE FLOW CHART 45 KFR 28G BPE 2...

Page 47: ...5 REFRIGERANT SYSTEM DIAGRAM 6 PERFORMANCE CURVES 5 REFRIGERANT SYSTEM DIAGRAM 9 SERVICE FLOW CHART 46 KFR 2601G BPE 2 KFR 2501G BPE...

Page 48: ...5 REFRIGERANT SYSTEM DIAGRAM 6 PERFORMANCE CURVES 5 REFRIGERANT SYSTEM DIAGRAM 9 SERVICE FLOW CHART KFR 3201G BPE 47...

Page 49: ...5 REFRIGERANT SYSTEM DIAGRAM 6 PERFORMANCE CURVES 5 REFRIGERANT SYSTEM DIAGRAM 9 SERVICE FLOW CHART 48 KFR 5701W Y2BPE...

Page 50: ...885 21 6 178 2 1603 50 2 159 3 4262 7 20 74 0 9237 22 5 939 2 2089 51 2 089 3 4615 6 19 79 0 9596 23 5 712 2 257 52 2 021 3 4965 5 18 88 0 9966 24 5 494 2 3053 53 1 956 3 5306 4 18 02 1 0343 25 5 286...

Page 51: ...126 3 0 684 49 21 6 2 404 89 5 309 3 951 9 120 4 0 712 50 20 79 2 452 90 5 143 3 977 10 114 8 0 742 51 20 01 2 499 91 4 982 4 003 11 109 5 0 772 52 19 26 2 547 92 4 827 4 028 12 104 4 0 804 53 18 54...

Page 52: ...cket 3 Remove the switching 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 ci...

Page 53: ...the air outlet 4 Remove the evaporator 1 Disconnect the evaporator and the other parts Take out the screws of the evaporator and remove the evaporator 5 Remove the cross flow fan and the fan motor 1...

Page 54: ...KFR 28G BPE 2 11 DISASSEMBLY INSTRUCTIONS...

Page 55: ...sconnect the evaporator and the other parts take out the screws and remove the evaporator 5 Remove the cross flow fan and the fan motor 1 Take out the screws and remove the rubber ring 2 Take out the...

Page 56: ...the switching 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...

Page 57: ...ew between the cross 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...

Page 58: ...rd and check up it 7 Disconnect the circuitry in the electrical control box 8 Remove the printed circuit board 9 Take out the screws of the electrical control box and remove the electrical control box...

Page 59: ...or 2 Remove the evaporator 4 Remove the evaporator Screws 5 Remove the cross flow fan and the fan motor 1 Take out the screws of the motor cover and remove the cover 2 Remove the cross flow fan and th...

Page 60: ...TIONS KFR 5701W Y2BPE OPERATING PROCEDURE PHOTOS 1 Remove the front panel 1 Removethe valve cover 2 Removethe side cover 3 Removethe front panel Front panel Side cover Valve cover Back guard Screws 59...

Page 61: ...he outside Fan in anti clockwise 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 f...

Page 62: ...Compressor wire Discharge tube Back guard Compressor Liquid tank Terminal cover Noise dfending cover Back guard 61 Screws Electrical control box ass y 5 Remove the compressor 1 Remove the back guard 2...

Page 63: ...12 PARTS LIST KFR 2601G BPE 2 KFR 2501G BPE 62...

Page 64: ...12 PARTS LIST KFR 2801G BPE 2 63...

Page 65: ...3 01 0 Front Panel 1 1 18 852 0 1504 204 00 0 Air Outlet Frame 1 1 19 852 2 1523 198 01 0 Flap 1 1 20 852 2 1514 496 01 0 Midst Axel Cover 2 2 21 852 2 1514 498 01 0 Side Axel Cover 1 1 22 852 2 1519...

Page 66: ...25 24 29 28 4 27 3 22 26 2 1 8 5 6 7 19 31 18 17 37 34 23 35 36 21 32 33 20 40 38 39 13 12 10 9 30 11 14 16 15 12 PARTS LIST KFR 3201G BPE 65...

Page 67: ...Cover 1 RZA 2 2369 008 XX 0 19 Fan Motor 1 RZA 0 0000 046 XX 0 20 Motor Guard ass y 1 RZA 0 2514 102 XX 0 21 Air Outlet Frame 1 RZA 0 1504 016 XX 0 22 Stepper Motor 2 RZA 0 0000 048 XX 0 23 Drainage H...

Page 68: ...12 PARTS LIST KFR 2601W BPE 2 67...

Page 69: ...4 2239 600 26 0 Relay 12 851 0 5158 408 00 7 P C B Ass y 1 13 851 0 5172 554 00 0 P C B Ass y 2 14 4 2649 562 0A 0 0B 0 Solenoid 2 15 852 2 2502 135 00 0 Propeller Fan 1 16 1FA 4 S4Z0 002 00 1 Thermo...

Page 70: ...0 2209 237 00 0 Partition Plate Ass y 1 47 801 2 8305 101 00 3 Nut 5 2 48 852 0 2309 154 00 0 Cover Ass y 1 49 852 2 2476 345 00 1 Insulation 1 50 852 2 2476 193 00 2 Insulation 1 51 852 2 2353 360 0...

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