Frigobox HKEB-HCNB-261-X Service Manual Download Page 1 | Manualshive

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Frigobox HKEB-HCNB-261-X Service Manual Download Page 1

SERVICE

SERVICE MANUAL

MANUAL

SPLIT TYPE AIR CONDITIONER

SPLIT TYPE AIR CONDITIONER

CONTENTS

1.PART NAMES AND FUNCTIONS...................
2.SPECIFICATION............................................
3.OUTLINES AND DIMENSIONS.......................
4.WIRING DIAGRAM.........................................
5.REFRIGERANT SYSTEM DIAGRAM...............
6.CONTROL MODE ................................
7.SERVICE FLOW CHART......................................
8.ELECTRIC .CONTROL.............................
9.SENSOR PARAMETER................................
10.DISASSEMBLY INSTRUCTIONS...................
11.PARTS LIST.................................................

HKEB-HCNB-261-X
HKEB-HCNB-351-X

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Summary of Contents for HKEB-HCNB-261-X

Page 1: ...TIONER CONTENTS 1 PART NAMES AND FUNCTIONS 2 SPECIFICATION 3 OUTLINES AND DIMENSIONS 4 WIRING DIAGRAM 5 REFRIGERANT SYSTEM DIAGRAM 6 CONTROL MODE 7 SERVICE FLOW CHART 8 ELECTRIC CONTROL 9 SENSOR PARAMETER 10 DISASSEMBLY INSTRUCTIONS 11 PARTS LIST HKEB HCNB 261 X HKEB HCNB 351 X ...

Page 2: ...ess remote controller controls power ON OFF operation mode selection temperature fan speed timer setting and air sweeping The indoor and outdoor units are connected by copper tubes through which refrigerant gas flows The outdoor unit contains the compressor fan motor heat exchanger coil and other electrical components Moisture in the room condenses and drains off through this hose Air filter Air o...

Page 3: ...r current A Coefficient of performance C O P 4 7 4 7 Model DA91A1F 22FD Output W 750 Compressor Winding resistance at20 Ω 1 10 Model SIC 37CV F835 1 Indoor fan motor Winding resistance at20 Ω Model DR 8938 504A G Outdoor fan motor Winding resistance at20 Ω Width mm 870 Height mm 225 Indoor unit Depth mm 305 Width mm 800 Height mm 565 Dimensions Outdoor unit Depth mm 260 Indoor unit kg 11 Weight Ou...

Page 4: ...tor current A Coefficient of performance C O P 3 57 4 26 Model DA91A1F 22FD Output W 750 Compressor Winding resistance at20 Ω 1 10 Model SIC 37CV F835 1 Indoor fan motor Winding resistance at20 Ω Model DR 8938 504A G Outdoor fan motor Winding resistance at20 Ω Width mm 870 Height mm 225 Indoor unit Depth mm 305 Width mm 800 Height mm 565 Dimensions Outdoor unit Depth mm 260 Indoor unit kg 11 Weigh...

Page 5: ...5 REFRIGERANT SYSTEM DIAGRAM 3 OUTLINES AND DIMENSIONS HKEB HCNB 261 351 X ...

Page 6: ... ２５ｃｍ５ｃｍ１０ｃｍ Outlet ４０ｃｍ 5 REFRIGERANT SYSTEM DIAGRAM 3 OUTLINES AND DIMENSIONS 567 5 ...

Page 7: ... 6 5 5 6 CN201 CN603 CN602 CN606 CN605 CN604 CN609 CN608 CN607 CN701 ＢＲＮＹＬＷＧＲＮＲＥＤＹＬＷＧＲＮＷＨＴＢＬＫＹＬＷＧＲＮＢＬＵＥＶＡＰＯＲＡＴＯＲＨＯＲＩＺＯＮＴＡＬＦＬＡＰＭＯＴＯＲ１ＨＯＲＩＺＯＮＴＡＬＦｌＡＰＭＯＴＯＲ２ＶＥＲＴＩＣＡＬＦＬＡＰＭＯＴＯＲＤＣＦＡＮＭＯＴＯＲＥＬＥＣＴＲＩＣＷＩＲＩＮＧＤＩＡＧＲＡＭＯＦＩＮＤＯＯＲＵＮＩＴ 2 10 10 11 11 10 10 11 11 7 7 8 8 7 7 8 7 7 8 8 4 3 3 4 6 5 5 6 1 1 2 3 3 4 4 5 5 6 6 4 3 2 4 3 3 4 6 5 5 6 ...

Page 8: ...ｅｒｓｅｎｓｏｒＦｌａｒｅｃｏｎｎｅｃｔｉｏｎＲｅｆｒｉｇｅｒａｎｔｐｉｐｅＷｉｔｈｈｅａｔｉｎｓｕｌａｔｏｒＦｌａｒｅｃｏｎｎｅｃｔｉｏｎＳｅｒｖｉｃｅｖａｌｖｅＩＮＤＯＯＲＵＮＩＴＨｅａｔｅｘｃｈａｎｇｅｒＯＵＴＤＯＯＲＵＮＩＴＭｕｆｆｌｅｒＤｅｓｉｃｃａｔｉｏｎｆｉｌｔｅｒ４ｗａｙｖａｌｖｅＨｅａｔｉｎｇｃｙｃｌｅＣｏｏｌｉｎｇｃｙｃｌｅｓｅｎｓｏｒＩｎｄｏｏｒｃｏｉｌＭｕｆｆｌｅｒＳｔｒａｉｎｅｒ φ ５ 1 5 00 Ｃａｐｉｌｌａｒｙｔｕｂｅ φ ５ 1 5 00 Ｓｔｒａｉｎｅｒ Electric expansion valve HKEB HCNB 351 X ...

Page 9: ...ditional refrigerant charge R410A refrigerant Models HKEB HCNB 261X HKEB HCNB 351X Precharged amount g up to 7 metres 1150 1150 Additional R410A charge according to piping length 7m 0g 0g 10m 75g 75g 15m 200g 200g Calculation of the additional refrigerant charge R410A g A 7 meters x 25g m Temperature range for regular operation Outdoor air temperature In Cooling mode 16 C 43 C In Heating mode 15 C...

Page 10: ...the gage manifold valve and stop the vacuum pump Leave it as is for one or two minutes Make sure thepointer of the gage manifold valve remains in the same position Close Open Hexagonal wrench Stop valve pipe Connection Gage manifold valve Stop valve Liquid pipe Stop valve Hexagonal wrench Gas pipe Caps Service port Vacuum pump Remove the gage manifold valve quickly from the service port of the sto...

Page 11: ...p indicator It goes on when sleep is selected Night indicator No available for this unit Room temperature display Fre 1 30 Hz S1 31 50 Hz S1S2 51 70 Hz S1S2S3 71 90 Hz S1S2S3S4 91 Hz S1S2S3S4S5 Room temperature is displayed in the House The actually measured temperature of the unit body or the remote controller is displayed Outdoor temperature display The outdoor temperature is displayed when dete...

Page 12: ...t Short circuit the two CN404 terminals on the IPM board of the outdoor unit and switch on the power the air conditioner will start heating operation and the outdoor fan is working then open the short circuit the air conditioner will start cooling operation the compressor starts 50 seconds later and the fan is still working Cut off the power the outdoor unit will stop running 4 Control mode 4 1 Au...

Page 13: ...ovided the compressor keeps running for more than 5 minutes Min Max Rated Frequency 15 100 42 4 3 Outdoor fan One speed which runs simultaneously with the compressor 4 4 Cooling overload When Texternal coil ７０ the compressor stops When Texternal coil ５０ the air conditioner starts automatically in 3 minutes 4 5 Anti freezing function the anti freezing and frequency limiting functions of the evapora...

Page 14: ...tting Tindoor Fan speed Tsetting Tindoor Fan speed 1 Low 1 Low 2 Mid 2 Low 3 Mid 3 Mid 4 Mid 4 Mid 5 High 5 Mid Temperature difference 6 High Temperature difference 6 High ６２ Current protection ＩＯｉｓｔｈｅｎｏｒｍａｌｗｏｒｋｉｎｇｃｕｒｒｅｎｔｖａｌｕｅｏｆＥ２ＲＯＭＩｍａｘｉｓｔｈｅｃｅｉｌｉｎｇｃｕｒｒｅｎｔｖａｌｕｅｏｆＥ２ＲＯＭＩＩＯ１５ＡＷｉｔｈｏｕｔｌｉｍｉｔａｔｉｏｎＩＩＯ１５ＡＦｒｅｑｕｅｎｃｙｄｒｏｐｓＩＩｍａｘＯｐｅｒａｔｉｏｎｓｔｏｐｓ 6 3 Defrosting 6 3 1 The defrosti...

Page 15: ... 115 the compressor runs at the limit to the frequency ascending When the temperature 115 the compressor stops 8 4 Abnormal power supply voltage protection When the supply voltage is above 260V or below 150V the compressor stops and the trouble code is displayed 8 5 No load protection Measure the total current When the current in the outdoor unit is lower than 0 15A the compressor will stop operat...

Page 16: ...or position 4 Communication trouble 5 Over current of whole system 6 No load 7 Abnormal power voltage 8 Compressor start up failure 9 Higher outdoor exchange tempreture 10 Defrosting 11 IPM trouble 12 Data failure of outdoor E 2 PROM 13 Outdoor Fan 15 1 Normal operation no frequency restriction 2 Power voltage restriction 3 Condenser temperature restriction 4 Total current restriction 5 Outlet air...

Page 17: ...ｃｅｉｖｅｔｈｅｒｅｍｏｔｅｃｏｎｔｒｏｌｓｉｇｎａｌＩｓｔｈｅｒｅｍｏｔｅｃｏｎｔｒｏｌｌｅｒｉｎｇｏｏｄｃｏｎｄｉｔｉｏｎＡｆｔｅｒｒｅｐｌａｃｉｎｇｔｈｅｄｉｓｐｌａｙｂｏａｒｄＩｓｔｈｅｒｅｓｔｉｌｌｔｒｏｕｂｌｅＲｅｐｌａｃｅｔｈｅｉｎｄｏｏｒｂｏａｒｄＩｓｔｈｅｒｅｓｔｉｌｌｔｒｏｕｂｌｅＩｓｉｎｄｏｏｒｃｏｎｔｒｏｌｂｏａｒｄｓｈｏｒｔｃｉｒｃｕｉｔＡｆｔｅｒｒｅｐｌａｃｉｎｇｔｈｅｄｉｓｐｌａｙｂｏａｒｄＩｓｔｈｅｒｅｓｔｉｌｌｔｒｏｕｂｌｅＮｏＹｅｓＹｅｓＹｅｓＹｅｓＮｏＮｏＮｏＭｅａｓｕｒｅｒｅｓｉｓｔａｎｃｅｂｅｔｗｅｅｎＣＮ６０７ａｎｄＭｅａｓｕｒｅｒｅｓｉｓｔａｎｃｅｂｅｔｗｅｅｎＣＮ６０８ａｎｄＤｏｅｓｔｈｅｒｅｓｉｓｔａｎｃｅｓｏｆ...

Page 18: ... ｔｈｅａｉｒｃｏｎｄｉｔｏｎｅｒＩｓｉｎｄｏｏｒｈｅａｔｅｘｃｈａｎｇｅｒｉｃｅｄｕｐＩｓｃｏｍｐｒｅｓｓｏｒｓｔｉｌｌｒｕｎｎｉｎｇＩｓｉｎｄｏｏｒｈｅａｔｅｘｃｈａｎｇｅｒｆｒｅｅｚｉｎｇｕｐａｇａｉｎＩｓｔｈｅｓｙｓｔｅｍｉｎｇｏｏｄｃｏｎｄｉｔｉｏｎＩｓｃｏｍｐｒｅｓｓｏｒｓｔｉｌｌｒｕｎｎｉｎｇＩｓｉｎｄｏｏｒｈｅａｔｅｘｃｈａｎｇｅｒｖｅｒｙｈｏｔＩｓｔｈｅｓｙｓｔｅｍｉｎｇｏｏｄｃｏｎｄｉｔｉｏｎＩｓｔｈｅｓｙｓｔｅｍｉｎｇｏｏｄｃｏｎｄｉｔｉｏｎＥｒｒｏｒｃｏｄｅ８ｉｎｄｏｏｒｆａｎｍｏｔｏｒｔｒｏｕｂｌｅＮｏＹｅｓＩｎｄｏｏｒｃｏｎｔｒｏｌｂｏａｒｄｆａｕｌｔｙａｎｄｒｅｐｌａｃｅｉｔＳｅｔｔｈｅａｉｒｃｏｎｄｉｔｉｏｎｅｒｏｐｅｒａｔ...

Page 19: ...ｇｅｉｎｐｕｔｏｆｓｔａｒｔｕｐｒｅｓｉｓｔｏｒｃｏｒｒｅｃｔＩｓｔｈｅｒｅｐｏｗｅｒｏｕｔｐｕｔｏｆｉｎｄｏｏｒｕｎｉｔｍａｉｎｒｅｌａｙＲＬ１０１Ｉｓｔｈｅｒｅ２４０ＶＡＣｂｅｔｗｅｅｎ１ａｎｄ２ｏｎｔｈｅｉｎｄｏｏｒｔｅｒｍｉｎａｌｂｌｏｃｋＩｓｔｈｅｒｅ２４０ＶＡＣｂｅｔｗｅｅｎ１ａｎｄ２ｏｎｔｈｅｏｕｔｄｏｏｒｔｅｒｍｉｎａｌｂｌｏｃｋＩｓｔｈｅｆｕｓｅｉｎｃｏｎｔｒｏｌｂｏｘ２０ＡｂｌｏｗｎＴｈｅｓｔａｒｔｕｐｒｅｓｉｓｔｏｒＩｓｏｖｅｒｈｏｔＤｏｅｓｔｈｅｐｏｗｅｒｉｎｄｉｃａｔｏｒＬＥＤｏｆｏｕｔｄｏｏｒｃｏｎｔｒｏｌｂｏａｒｄｌｉｇｈｔｕｐＡｒｅａｌｌｔｈｅｌｅａｄｗｉｒｅｓｃｏｎｎｅｃｔｅｄｂｅｔｗｅｅｎｉｎｄｏｏｒａｎｄ ...

Page 20: ...ｓｉｓｔａｎｃｅｏｆｃｏｍｐｒｅｓｓｏｒｄｉｓｃｈａｒｇｅｓｅｎｓｏｒｃｏｒｒｅｃｔＳｗｉｃｈｏｆｆａｎｄｓｔａｒｔｕｐａｇａｉｎＩｓｉｔｏｋＩｓｔｈｅｏｐｅｒａｔｉｎｇｃｕｒｒｅｎｔｂｅｙｏｎｄＮｏｒｍａｌｒａｎｇｅＩｓｔｈｅｓｕｒｆａｃｅｏｆｃｏｍｐｒｅｓｓｏｒｖｅｒｙｈｏｔＳｗｉｔｃｈｏｆｆａｎｄｓｔａｒｔｕｐａｇａｉｎＩｓｉｔｏｋＲｅｐｌａｃｅｔｈｅｏｕｔｄｏｏｒＩＰＭｃｏｎｔｒｏｌｂｏａｒｄＩｓｉｔｏｋＲｅｐｌａｃｅｔｈｅｏｕｔｄｏｏｒｃｏｎｔｒｏｌｂｏａｒｄＩｓｉｔｏｋＩｓｔｈｅｖｏｌｔａｇｅｏｆｐｏｗｅｒｓｕｐｐｌｙＮｏｒｍａｌｏｆＡＣ１７６２６４ＶＩｓｔｈｅｒｅＤＣ３１０ｖｏｌｔａｇｅｉｎｐｕｔｂｅｔｗｅｅｎＰＮｏｎＩＰＭ ...

Page 21: ... ｆｒｅｑｕｅｎｔｌｙＳｔａｒｔｕｐｔｈｅａｉｒｃｏｎｄｉｔｉｏｎｅｒｉｎ３０ｍｉｎｕｔｅｓｄｏｅｓｉｔｗｏｒｋＮｏｒｍａｌｌｙＩＰＭｆａｕｌｔａｐｐｅａｒｓｆｒｅｑｕｅｎｔｌｙＩｓｔｈｅｒｅｓｉｓｔａｎｃｅｏｆｏｕｔｄｏｏｒｃｏｉｌｓｅｎｓｏｒｃｏｒｒｅｃｔＤｏｅｓｔｈｅｔｒｏｕｂｌｅｄｉｓａｐｐｅａｒｉｎ３ｍｉｎｕｔｅｓＩｓｔｈｅｏｕｔｄｏｏｒｈｅａｔｅｘｃｈａｎｇｅｒｒｅａｌｌｙｈｏｔＴｒｏｕｂｌｅｃｏｄｅｉｎｄｏｏｒ１３ＥＥＰＲＯＭｔｒｏｕｂｌｅＩｎｄｏｏｒｃｏｎｔｒｏｌｂｏａｒｄｆａｕｌｔｒｅｐｌａｃｅｉｔＲｅｐｌａｃｅｓｅｎｓｏｒＣｈｅｃｋｏｐｅｒａｔｉｏｎＥｒｒｏｒｃｏｄｅｏｕｔｄｏｏｒ１ｏｕｔｄｏｏｒｔｅｍｐｅｒａｔｕｒｅｓｅｎｓｏｒｔｒｏｕｂｌｅＥｒ...

Page 22: ...ｃｏｎｄｉｏｎｅｒａｎｄｔｅｓｔＳｈｕｔｄｏｗｎｔｈｅａｉｒｃｏｎｄｉｔｉｏｎｅｒａｎｄｓｔａｒｔｕｐａｆｔｅｒ５ｍｉｎｕｔｅｓｏｒｍｏｒｅｔｈｅｎｔｅｓｔＥｒｒｏｒｃｏｄｅｏｕｔｄｏｏｒ９ｃｏｍｐｒｅｓｓｏｒｓｔａｒｔｕｐｅｒｒｏｒＮｏＹｅｓＯｕｔｄｏｏｒＩＰＭｃｏｎｔｒｏｌｂｏａｒｄｆａｕｌｔｙｒｅｐｌａｃｅｉｔＮＯＹＥＳＮｏｒｍａｌｐｒｅｔｅｃｔｉｏｎＥＥＰＲＯＭｅｒｒｏｒｒｅｐｌａｃｅｔｈｅｏｕｔｄｏｏｒＥＥＰＲＯＭｔｈｅｎｓｔａｒｔｕｐｔｈｅａｉｃｏｎｄｉｏｎｅｒａｎｄｔｅｓｔＳｈｕｔｄｏｗｎｔｈｅａｉｒｃｏｎｄｉｔｉｏｎｅｒａｎｄｓｔａｒｔｕｐａｆｔｅｒ５ｍｉｎｕｔｅｓｏｒｍｏｒｅｔｈｅｎｔｅｓｔ 7 SERVICE FLOW CHART ...

Page 23: ...al outlet Step motor Step motor 7805 12V 7805 12V 7805 5V 7805 5V 220V From power board 220V From power board Step motor 5V 5V 12V 12V 12V 12V 12V 12V FAN MOTOR CONTROL Control To power board Control To power board S I HKEB HCNB 351 X HKEB HCNB 261 X 8 ELECTRIC CONTROL BOARD ...

Page 24: ...220V Output 12V 12V 220V Input From power supply 220V Input From power supply 5V 5V 220 Output S I TO TERMINAL S I HKEB HCNB 351 X HKEB HCNB 261 X 8 ELECTRIC CONTROL BOARD ...

Page 25: ...pansion valve control Electric expansion valve control 4 way valve 4 way valve 12V sensor Fan motor control Fan motor control DC DC 15V CONTROL SINGAL TO IPM CONTROL SINGAL TO IPM AC OUTPUT SI DC DC DC DC TO IPM TO IPM INPUT 8 ELECTRIC CONTROL BOARD HKEB HCNB 351 X HKEB HCNB 261 X ...

Page 26: ...HKEB HCNB 351 X HKEB HCNB 261 X 8 ELECTRIC CONTROL BOARD IPM BACK ...

Page 27: ... １７８２１６０３５０２１５９３４２６２７２０７４０９２３７２２５９３９２２０８９５１２０８９３４６１５６１９７９０９５９６２３５７１２２２５７５２２０２１３４９６５５１８８８０９９６６２４５４９４２３０５３５３１９５６３５３０６４１８０２１０３４３２５５２８６２３５３３５４１８９３３５６４４３１７２１０７３１２６５０８６２４０１４５５１８３２３５９７７２１６４３１１１２２２７４８９６２４４８９５６１７７４３６２９９１１５７１１５２２８４７１４２４９６３５７１７１８３６６１６０１５１１９２９２９４５３９２５４３６５８１６６４３６９２６１１...

Page 28: ...１２６３０６８４４９２１６２４０４８９５３０９３９５１９１２０４０７１２５０２０７９２４５２９０５１４３３９７７１０１１４８０７４２５１２００１２４９９９１４９８２４００３１１１０９５０７７２５２１９２６２５４７９２４８２７４０２８１２１０４４０８０４５３１８５４２５９５９３４６７８４０５２１３９９６６０８３６５４１７８５２６４２９４４５３４４０７６１４９５１３０８６９５５１７１９２６８９９５４３９５４０９９１５９０８２０９０２５６１６５６２７３５９６４２６１４１２２１６８６７４０９３７５７１５９６２７８１９７４１３２４１４４ ...

Page 29: ...e screws of the grille and remove the grille 7 Remove the mounting plate HKEB 261 X OPERATION PROCEDURE PHOTOS Screw Installation Plate Screw Mounting Plate Base Ass y Front Panel Grille Ornament Grille Air Filter Screw Screw Display Board 2 Remove the electrical control box 1 Take out the screw of the electrical cover and remove it 2 Remove the indoor coil sensor from the sensor bracket 3 Take ou...

Page 30: ... air outlet frame and the evaporator 1 Take out the screw of the rubber cover and remove the rubber cover 2 Remove the screw connecting the fan motor and the cross flow fan 3 Remove the fan motor and the bearing ass y 4 Remove the cross flow fan 4 Remove the fan motor and the cross flow fan HKEB 261 X Evaporator Air Outlet Frame Screws Evaporator Supportor Screws Motor Cover Mounting late Cross Fl...

Page 31: ... of the side cover and remove the cover 3 Take out the screws of the electrical box cover and remove it 4 Disconnect all the wires in the electrical control box and the other parts 4 Take out the screws of the electrical control box and remove ｅｌｅｃｔｒｉｃａｌｃｏｎｔｒｏｌｂｏｘ OPERATION PROCEDURE PHOTOS 10 DISASSEMBLY INSTRUCTIONS HCNB 261 X HCNB 351 X ＳｃｒｅｗＳｃｒｅｗＳｃｒｅｗＴｏｐＰａｎｅｌＳｉｄｅＣｏｖｅｒＶａｌｖｅＣｏｖｅｒＦｒｏｎｔ...

Page 32: ...d remove the fan supporter 4 Take out the screws of the partition plate and remove the partition plate 1 Check up the condenser ass y 2 Check up the compreesor ass y 3 Check up the bａｓｅ ass y 5 Check up the other parts of the outdoor units ＣｏｍｐｒｅｅｓｏｒａｓｓｙＢａｓｅａｓｓｙＣｏｎｄｅｎｓｅｒａｓｓｙＦａｎＳｐｅｃｉａｌｎｕｔ HCNB 261 X HCNB 351 X ＦａｎＳｕｐｐｏｒｔｏｒＳｅｐｅｒａｔｏｒＰｌａｔｅＳｃｒｅｗＳｃｒｅｗ 10 DISASSEMBLY INSTRUCTIONS 4 Remove...

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