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SERVICE MANUAL

HOKKAIDO AIRCONDITIONER

DC INVERTER

SPLIT WALL-MOUNTED TYPE

HKEI-HCNI 263 XR
HKEI-HCNI 353 XR
HKEI-HCNI 503 XR

Содержание HKEI-HCNI 263 XR

Страница 1: ...SERVICE MANUAL HOKKAIDO AIRCONDITIONER DC INVERTER SPLIT WALL MOUNTED TYPE HKEI HCNI 263 XR HKEI HCNI 353 XR HKEI HCNI 503 XR ...

Страница 2: ...7 2 Connecting the cables 14 7 3 Pipe length and the elevation 14 7 4 Air purging of the piping and indoor unit 15 7 5 Pumping down Re installation 16 7 6 Re air purging Re installation 17 7 7 Balance refrigerant of the 2 way 3 way valves 18 7 8 Evacuation 19 7 9 Gas charging 20 8 Operation characteristics 21 8 1 HKEI HCNI 263 XR 21 8 2 HKEI HCNI 353 XR 22 8 3 HKEI HCNI 503 XR 23 9 Electronic func...

Страница 3: ...ss the TURBO button on remote controller 28 9 5 7 Condenser high temperature 29 9 6 Drying mode 29 9 6 1 Indoor fan speed is fixed 29 9 6 2 Overflow room temperature protection 29 9 6 3 Evaporator anti freezing protection 29 9 6 4 Horizontal louver action 29 9 7 Heating mode 29 9 7 1 Indoor fan action Anti cold wind function 29 9 7 2 Indoor fan speed can be set 29 9 7 3 After start the operation f...

Страница 4: ...nit Error Display 36 10 2 Diagnosis and Solution 37 10 2 1 E0 EEPROM parameter error error diagnosis and solution 37 10 2 2 E1 indoor outdoor units communication protection error diagnosis and solution 37 10 2 3 E2 zero crossing signal error diagnosis and solution 38 10 2 4 E3 indoor fan speed out of control diagnosis and solution 38 10 2 5 E5 Open or short circuit of outdoor ambient or condenser ...

Страница 5: ...er or an Authorized service center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident or damage to the product Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury Do not let t...

Страница 6: ... drain hose to ensure that water is drained away properly A bad connection may cause water leakage Keep level even when installing the product To avoid vibration of water leakage Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors Use two or more people to lift and transport the product Avoid personal ...

Страница 7: ... product Be careful and avoid personal injury Replace the all batteries in the remote control with new ones of the same type Do not mix old and mew batteries or different types of batteries There is risk of fire or explosion Do not recharge or disassemble the batteries Do not dispose of batteries in a fire They may burn of explode If the liquid from the batteries gets onto your skin or clothes was...

Страница 8: ...tion according to operation mode Turbo wind high med low breeze Restarting is for approx 3 minutes Prevent the water being frozen on evaporator by sensing the evaporator pipe temperature in cooling mode Room temperature sensor Pipe temperature sensor Indoor unit Operation by remote controller Sensing by room temperature temperature Room temperature control Anti freezing control in cooling Time Del...

Страница 9: ...ration mode Hydrophilic aluminum fin It is only operated in the heating operation mode except defrosting operation Anti rust cabinet Valve protection cover 4 way valve control Made from electrolytic zinc steel sheet and anti rust coated components Low noise air flow system Bird tail propeller fan makes the outdoor unit run more quietly Discharge pipe temperature protect Heating cable Optional Driv...

Страница 10: ...6 3 Dimension 3 1 Indoor Unit HKEI 263 353 503 XR 3 2 Outdoor Unit HCNI 263 XR Dimension Model W H D 263 353 790 275 190 503 940 275 198 ...

Страница 11: ...7 HCNI 353 XR HCNI 503 XR HCNI 503 XR ...

Страница 12: ... 2 3 m3 h 500 420 350 550 450 350 800 700 600 dB A 40 34 29 41 37 31 45 42 37 Dimension W H D mm 940 275 198 Packing W H D mm 1015 350 265 Net Gross weight Kg 7 5 9 5 8 5 10 5 11 0 13 0 Model YDK24 6K YDK24 6G YDK53 6F Brand Input W 63 49 59 47 126 105 Capacitor uF 2 50 2 50 2 50 Speed r min 815 590 800 550 760 600 a Number of rows 1 1 6 2 b Tube pitch a x row pitch b mm 21 13 37 21 13 37 25 4x22 ...

Страница 13: ...9 5 Refrigerant cycle diagram ...

Страница 14: ...10 6 Wiring diagram 6 1 Indoor Unit HKEI 263 XR HKEI 353 XR HKEI 503 XR ...

Страница 15: ...11 6 2 Outdoor Unit HCNI 263 XR ...

Страница 16: ...12 HCNI 353 XR ...

Страница 17: ...13 HCNI 503 XR ...

Страница 18: ...cifications sheet Grade Unit 263 353 503 mm2 1 0 1 5 2 5 7 3 Pipe length and the elevation Capacity Btu h Pipe size Standard length m Max Elevation B m Max Elevation A m Additional refrigerant g m Gas Liquid 263 3 8 Ф9 52 1 4 Ф6 35 5 8 20 30 353 1 2 Ф12 7 1 4 Ф6 35 5 8 20 30 503 1 2 Ф12 7 1 4 Ф6 35 5 10 25 30 Caution Capacity is base on standard length and maximum allowance length is base of relia...

Страница 19: ... flare connection for gas leakage 4 Purge the air from the system Set the 2 way valve to the open position and remove the cap from the 3 way valve s service port Using the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute 5 Use torque wrench to tighten the service port cap to a torque of 1 8 kgf m 18n m 6 Set the 3 way valve to the opened positio...

Страница 20: ... hose with the push pin to the gas service port 5 Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose 6 Set the 2 way valve to the close position 7 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1MPa 8 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ...

Страница 21: ...ute repeat 3 times After purging the air use a torque wrench to tighten the flare nut to on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant until the gauge indicates 0 3 to 0 5 Mpa 6 Disconnect the charge set and the charging cylinder and set the 2 way and 3 way va...

Страница 22: ...vice port 3 Open the valves Low side on the charge set and discharge the refrigerant until the gauge indicates 0 05 to 0 1Mpa If there is no air in the refrigeration cycle the pressure when the air conditioner is not running is higher than 0 1Mpa discharge the refrigerant until the gauge indicates 0 05 to 0 1 Mpa If this is the case it will not be necessary to apply a evacuation Discharge the refr...

Страница 23: ...oved toward 0 1 Mpa 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil if the vacuum pump oil becomes dirty or depleted replenish as needle ...

Страница 24: ...ified amount of refrigerant if can be charged with a little at a time approximately 150g each time0 while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the refrigerant to be discha...

Страница 25: ... 0 72 0 74 0 76 0 78 0 66 0 68 0 70 Cooling Power Input KW Remark Indoor room temperature 27 19 Outdoor temperature 35 Indoor fan speed High 15 Cooling Capacity KW Cooling Characteristics Outdoor Ambient Temperature 2 50 2 46 2 38 2 42 2 54 2 58 2 62 2 34 35 37 39 41 43 25 27 29 31 33 0 76 0 78 0 80 0 86 0 70 0 72 0 74 Cooling Power Input KW Remark Indoor room temperature 27 19 Indoor fan speed Hi...

Страница 26: ... 3 1 1 0 96 0 98 1 00 1 02 0 90 0 92 0 94 Heating Power Input KW Remark Indoor room temperature 20 Indoor fan speed High Pipe length 5m Heating Capacity KW Piping Length Characteristics Heating Piping Length m 3 3 3 2 3 0 3 1 3 4 3 5 3 6 10 11 12 13 14 5 6 7 8 9 0 97 0 98 0 99 1 00 0 94 0 95 0 96 Heating Power Input KW Remark Indoor room temperature 20 Outdoor temperature 7 6 Indoor fan speed High...

Страница 27: ... 46 1 48 1 50 Cooling Power Input KW Remark Indoor room temperature 27 19 Outdoor temperature 35 Indoor fan speed High 15 Cooling Capacity KW Cooling Characteristics Outdoor Ambient Temperature 5 0 4 9 4 7 4 8 5 1 5 2 5 3 4 6 35 37 39 41 43 25 27 29 31 33 1 56 1 60 1 64 1 68 1 44 1 48 1 52 Cooling Power Input KW Remark Indoor room temperature 27 19 Indoor fan speed High Pipe length 5m Heating Capa...

Страница 28: ... air conditioner is in AUTO operation Timer indicator This indicator illuminates when TIMER is set ON OFF PRE DEF Indicator This indicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating mode OPERATION indicator This indicator illuminates when the air conditioner is running 9 2 2 LED display control function Pressing...

Страница 29: ...nds the unit stops and LED displays failure information and can t return to normal operation automatically 9 3 1 7 Cross Zero signal error warning If there are 20 alternations of Cross Zero signals are incorrect the unit stops and LED displays failure information After resuming the motor rotates again The spacing of Cross Zero signal is 6 13ms 9 3 1 8 Indoor fan delayed open function 9 3 1 9 For a...

Страница 30: ...7 Fan Speed is out of control When Indoor Fan Speed is too low lower than 300RPM for 60 seconds the unit stops and LED displays failure information and can t return to normal operation automatically 9 3 2 8 Cross Zero signal error warning If there are 20 alternations of Cross Zero signals are incorrect the unit stops and LED displays failure information After resuming the motor rotates again The s...

Страница 31: ... the frequency of compressor will rise or descend a grade 7 minutes after starting After starting if ΔT stays in a zone for 3 minutes the frequency will change as follow Zone A Current frequency rise a grade till the maximum grade F8 Zone B Keep the current frequency of compressor Zone C Descend the current frequency of compressor until F1 Zone D Compressor stops after running as the minimum frequ...

Страница 32: ...Any condition of above is not satisfied the machine can not be turned into rating capacity test mode 2 The machine will quit from the rating capacity test mode if running for 5 hours or changing fan speed or setting temperature 9 5 5 Turbo function press the TURBO button on remote controller Elevate current frequency to a higher grade Indoor fan turns to turbo speed After running for 30 minutes th...

Страница 33: ... valid and they are the same as that in cooling mode 9 6 4 Horizontal louver action is the same as that in cooling mode 9 7 Heating mode 9 7 1 Indoor fan action Anti cold wind function If the compressor stops caused by room temperature rising indoor fan will be forced to run 127 seconds with breeze During this period anti cold wind is disabled After this anti cold wind function is available If the...

Страница 34: ...sor stops after running with F1 for 60 minutes or when ΔTh 6 9 7 4 Outdoor unit current control in heating mode Remark Model I1HEAT I2 HEAT I3 HEAT 263 353 5 6 A 6 6 A 7 6 A 503 9 5 A 10 5 A 13 A 9 7 5 Indoor heat exchanger high temperature protection If T2 60 the compressor will stop and not resume until T2 48 Remark ΔTcon can be changed among 0 2 4 the default is 0 A 5 0 4 5 3 0 2 5 D C ΔTh room...

Страница 35: ... of following items is satisfied defrosting will finish and the machine will turn to normal heating mode T3 rises to be higher than 12 T3 rises to be higher than 8 and remains for 80 seconds The machine has run for 10 minutes in defrosting 9 7 7 Defrosting action Rating capacity test function Set the indoor unit with remote controller as high fan 30 in heating mode then press TURBO button on contr...

Страница 36: ...d operation function 9 9 1 Forced cooling and auto function can carry out with a touch button In these two modes the machine can be changed by remote controller to any other mode at any moment 9 9 2 When the machine is off pressing the touch button will carry the machine to forced auto mode after this if pressing the button once again within 5 seconds the machine will turn into forced cooling mode...

Страница 37: ... as follow After pressing ECONOMIC or SLEEP button on controller the machine will turn into sleep mode When cooling the setting temperature rises 1 be lower than 30 every one hour 2 hour later the rising stops and indoor fan is fixed as low speed When heating the setting temperature descends 1 be lower than 30 every one hour 2 hour later the descending stops and indoor fan is fixed as low speed an...

Страница 38: ...sis to help deicing and to avoid freezing The heating cable s power is 85W rated voltage is 220V 240V and is controlled by the program If outdoor temperature is lower than 5 the heating cable will begin to work If outdoor temperature is higher than 15 the heating cable will stop working ...

Страница 39: ...capacitors in PCB and relative circuit in outdoor unit even shut down the power supply electricity power still are kept in capacitors do not forget to discharge the electricity power in capacitor Electrolytic Capacitors HIGH VOLTAGE CAUTION Bulb 25 40W ...

Страница 40: ...out of control E5 Open or short circuit of outdoor ambient or condenser temperature sensor E6 Open or short circuit of indoor room or evaporator temperature sensor P0 Inverter module IGBT over strong current protection P1 Over voltage or too low voltage protection P2 Temperature protection of compressor top P4 Inverter compressor drive error Note E4 P3 Reserved function ...

Страница 41: ...he wiring between indoor and outdoor unit Is the connection of L N S and GND good Is the GND connection on outdoor PCB good NO NO Reconnect and retest again Is the LED4 red on outdoor PCB bright and LED1 yellow blinking Replace outdoor e box Yes Yes The power supply for outdoor PCB is fail Check the wiring on outdoor PCB comparing with wiring plate Is the connection good No Correct the connection ...

Страница 42: ...nd reconnect Replace the sensor and check if E5 display again NO YES Replace outdoor e box YES Is the indoor fan motor connector and connection good Repair the connector and reconnect Is voltage being applied to the fan motor rang 90v 160v between mid pin and N on CN1 NO YES Indoor PCB is defective Replace the indoor PCB YES Replace the indoor fan motor NO Is power supply and connection of connect...

Страница 43: ...etween PCB and compressor good Repair or correct the connector or connection Replace the outdoor PCB and then repower on Is the failure cleared NO YES Check the compressor NO Is the indoor temperature and evaporator sensor connector and connection good Repair the connector and reconnect Replace the sensor and check if E6 display again NO YES Replace the indoor PCB YES Is the power supply good Be s...

Страница 44: ...check coil resistance of inverter compressor is it 1 10ohm YES Replace inverter compressor Reconnect and retry NO NO YES Does compressor operate Is the connection good Is refrigerant circulation volume normal NO NO Charge refrigerant Is abnormality the same after gas charging NO Check refrigerant system such as clogging of capillary etc Reconnect and retest NO YES Is protector normal Replace the p...

Страница 45: ...g by using the multi meter Position Resistance Value Blue Red HCNI 263 353 1 10Ω 20 HCNI 503 0 668Ω 25 Blue Black Red Blue Position Resistance Value Black Red 350Ω 8 20 for 263 435Ω 8 20 for 353 87 8Ω 8 20 for 503 Blue Red 222Ω 8 20 for 263 213Ω 8 20 for 353 Red Yellow 141 5Ω 8 20 for 503 Yellow Blue 222Ω 8 20 for 263 213Ω 8 20 for 353 Position Resistance Value Black Red 387Ω 8 20 for 263 353 Blac...

Страница 46: ...42 10 3 4 Step Motor Model MP24GA Measure the resistance value of each winding by using the multi meter Position Resistance Value Blue Red 200Ω 7 25 for 263 353 Pink Orange Pink Yellow Yellow Red ...

Страница 47: ...or Measure the resistance value of each winding by using the multi meter Some frequently used R T data for T1 T2 T3 and T4 sensor Temperature 5 10 15 20 25 30 40 50 60 Resistance Value KΩ 26 9 20 7 16 1 12 6 10 8 5 2 3 5 2 4 Some frequently used R T data for Te sensor Temperature 5 15 25 35 60 70 80 90 100 Resistance Value KΩ 141 6 88 56 1 36 6 13 8 9 7 6 9 5 3 7 KΩ ...

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