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Frigobox HKEB-HCNB-261-X Service Manual

Frigobox split type air conditioner service manual
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SPLIT TYPE AIR CONDITIONER
SPLIT TYPE AIR CONDITIONER
SERVICE MANUAL
SERVICE
HKEB-HCNB-261-X
HKEB-HCNB-351-X
MANUAL
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.................................................

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Summary of Contents for Frigobox HKEB-HCNB-261-X

  • Page 1 SPLIT TYPE AIR CONDITIONER SPLIT TYPE AIR CONDITIONER SERVICE MANUAL MANUAL SERVICE HKEB-HCNB-261-X HKEB-HCNB-351-X 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....

  • Page 2: Part Names And Functions

    1. PART NAMES AND FUNCTIONS 1.Diagram of Structure Air intake Indoor sensor Air filter Indoor unit Air outlet Impeller Remote controller Blue backlight LCD screen Air inlet (rear and side) Tubes and cable Outdoor unitt Drain hose Air outlet Water drainage Appearance of the indoor may differ from some the picutres in the manual.
  • Page 3 ¡¢ ¡¢ Model HKEB -HCNB -261X Function Cooling Heating Power supply 220-230V¡« 50Hz Capacity 2.5 (0,39-3,2) 3.1 (0,40-3,53) l /h Capacity Dehumidification Air flow Power outlet Running current 3.54/5.89 4.8/8.08 Power input 0.53 (0,3-1,05) 0.66 (0,3-1,25) Electrical data Auxiliary heater A(KW) Starting current Power factor...
  • Page 4 ¡¢ ¡¢ Model HKEB - HCNB - 351 X Function Cooling Heating Power supply 220-230V¡« 50Hz Capacity 3.5 (0,39-3,98) 4.0 (0,4-4,49) l /h Capacity Dehumidification Air flow Power outlet Running current 4.75/7.0 5.62/9.5 Power input 0.98 (0,3-1,3) 0.94 (0,3-1,6) Electrical data Auxiliary heater A(KW) Starting current...

  • Page 5: Outlines And Dimensions

    5.REFRIGERANT SYSTEM DIAGRAM 3.OUTLINES AND DIMENSIONS HKEB - HCNB 261-351 X...
  • Page 6 5.REFRIGERANT SYSTEM DIAGRAM 3.OUTLINES AND DIMENSIONS Outlet >40cm...

  • Page 7: Wiring Diagram

    4.WIRING DIAGRAM CN101 CN105 CN104 YLW/GRN CN102 CN103 FILTER BOARD CN401 YLW/GRN YLW/GRN CN701 EVAPORATOR CN106 EVAPORATOR DISPLAY BOARD CN603 CN201 HORIZONTAL F L A P M O T O R 1 CN604 CN602 HORIZONTAL ROOM SENSOR F l A P M O T O R 2 CN606 COIL SENSOR CN607...
  • Page 8 HKEB HCNB 351 X HKEB HCNB 261 X Refrigerant pipe ¦ Õ 9 .52) OUTDOOR UNIT INDOOR UNIT Service valve (With heat insulator) Muffler Heatexchanger 4-way valve Flare connection Indoorcoil Heatex changer sensor Indoortemperature Muffler sensor Compressor Desiccationfilter ¦ Õ ¡...

  • Page 9: Refrigerant System Diagram

    5.REFRIGERANT SYSTEM DIAGRAM Limitations to refrigerant piping length and height difference Maximum allowed refrigerant piping length (single line) and height difference Piping diameter (mm) Height Difference (m) Max. piping length Models (m), single line: A Liquid side Gas side Indoor Unit above Indoor unit below 6.35 9.52...
  • Page 10 5.REFRIGERANT SYSTEM DIAGRAM EVACUATION PROCEDURES Connect the refrigerant pipes (both the liquid and gas pipes) between the indoor and the outdoor units. Remove the service port cap of the stop valve on the sid e o f the outdoor unit gas pipe. (The sto p valv e w ill no t wor k in i ts initial state fresh out of the factory (totally closed with cap on).

  • Page 11: Control Mode

    6.CONTROL MODE 1.Functional features 1.1 The compressor’s motor system is fitted with DC brushless sensor without position, with reliable and efficient performance; 1.2 The indoor and outdoor air supply motor is of built-in DC brushless type. 1.3 Throttle control by electronic expansion valve. Main controlling functions 2.1 Controlling functions of the remote controller (see operation and installation manual) 2.2 Display icons of the indoor unit...
  • Page 12 6.CONTROL MODE Surrounding air: K0, K1, K2, K4, K5 Directional air: Left K0, K1, K2, K3 Directional air: Right K0, K3, K4, K5 Directional air: Center K0, K2, K3, K4 Swinging air: K0K1, K0K2, K0K3 respectively according to the actual working status Error message Press the Emergency button for over 5 seconds when the power is on, the air conditioner will give out alarm as follows: indoor unit trouble at the indoor temperature reading area and outdoor unit...
  • Page 13 6.CONTROL MODE 4.2.2 The compressor will start immediately when the machine is first powered on; it will take at least 3min for the compressor to restart if the machine is restarted. 4.2.3 The fan speed changes in auto mode. Fan speed Fan speed setting indoor...
  • Page 14 6.CONTROL MODE I < I O -1.5A Without limitation. I£¾ I O + 1.5A Fr equency drops. I¡Ý I max Operation stops. Dehumidification 5.1 In the dehumidification mode, the temperature is determined by the remote controller. The temperature range is 16¡æ—30¡æ. The controller will determine the running mode according to the indoor and outdoor temperature difference.
  • Page 15 6.CONTROL MODE When the temperature of the indoor coil¡Ý78¡æ, the compressor will stop; When the temperature¡Ý63¡æ, the outdoor flow speed will turn to the low speed, and the compressor runs at the descending frequency; When the temperature£¼ 58¡æ, the compressor will prohibit the frequency from rising. 7 .
  • Page 16 6.CONTROL MODE Content of trouble Indoor display code Indoor sensor trouble Evaporator sensor trouble Evaporator freezing Over hot of indoor heat exchanger Communication trouble Over current of compressor Fan motor trouble Indoor EEPROM Outdoor sensor trouble OUTDOOR Outdoor sensor trouble Outdoor coil sensor trouble Discharge sensor...

  • Page 17: Service Flow Chart

    7.SERVICE FLOW CHART Measure Error code 7 resistance Indoor air outlet between sensor trouble CN609 ¢Ù and¢Ú...
  • Page 18 7.SERVICE FLOW CHART...
  • Page 19 7.SERVICE FLOW CHART Is the Is the reactor Yes Replace the resistor wave filter faulty board board open TH101 circuit? correct? Does the Yes Rectifier fau Replace the rectifier have alternating replace it resistor current input?
  • Page 20 7.SERVICE FLOW CHART Replace outdoor EEPROM EEPROM error Does fan motor Occor by ch run normal? Does the socket CN9 outdoor control board have outdoor contr power input(DC 310V AND D faulty and rep 15V) Insert screwdriver into to rotate indoor fan motor slowly for 1 revolution or Does voltage over,and measure voltage...
  • Page 21 7.SERVICE FLOW CHART...
  • Page 22 7.SERVICE FLOW CHART...
  • Page 23 8.ELECTRIC CONTROL BOARD HKEB - HCNB 261 X HKEB - HCNB 351 X FAN MOTOR CONTROL DC310V + 5V + 5V Display board Electrical outlet + 12V + 12V Step motor + 12V + 12V Step motor +12V +12V Step motor SENSOR SENSOR SENSOR...
  • Page 24 8.ELECTRIC CONTROL BOARD HKEB - HCNB 261 X HKEB - HCNB 351 X 220V Output + 5V + 5V + 12V + 12V 220 Output TO TERMINAL 220V 220V Input Input From power supply From power supply...
  • Page 25 8.ELECTRIC CONTROL BOARD HKEB - HCNB 261 X HKEB - HCNB 351 X AC OUTPUT 220V INPUT 220V INPUT From terminal From terminal board board 4-way valve 4-way valve Electric expansion Electric expansion valve control valve control +12V CONTROL CONTROL SINGAL TO IPM SINGAL TO IPM INPUT...
  • Page 26 8.ELECTRIC CONTROL BOARD HKEB - HCNB 261 X HKEB - HCNB 351 X IPM BACK...

  • Page 27: Sensor Parameter

    9.SENSOR PARAMETER THE PARAMETER OF THE COIL AND INDOOR AND OUTDOOR SENSOR T('c) R(K o) V (v) T('c) R(K o) V(v) T ('c) R(Ko ) V(v) - 2 0 3 9 .5 8 0 . 5 30 7 1 0 . 1 1 .
  • Page 28 9.SENSOR PARAMETER THE PARAMETER OF THE DISCHARGE SENSOR T ('C) R (O ) V ( v) T ('C) R (O ) V( v) T ('C) R (O ) V( v) - 10 31 3. 4 0 . 3 44 . 7 4 1.
  • Page 29 HKEB 261 X HKEB 351 X...
  • Page 30 HKEB 261 X HKEB 351 X...

  • Page 31: Disassembly Instructions

    10. DISASSEMBLY INSTRUCTIONS HCNB 261 X - HCNB 351 X PHOTOS OPERATION PROCEDURE Top Panel Front Panel 1£®Remove the top panel and the front panel Screw 1£©Take out the screws of the top panel and remove the top Side Cover panel.
  • Page 32 10. DISASSEMBLY INSTRUCTIONS HCNB 261 X - HCNB 351 X 3.Remove the back panel 1£©Take out the screws of the back panel. 2£©Remove the back panel. 4.Remove the fan ,fan motor,fan supportor and the separate Fan Supportor plate. 1£©Take out the special nut of the fan and remove the fan. 2£©Take out the screws of the fan motor and remove the fan motor.

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Hkeb-hcnb-351-x

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