Frigobox HCNJ 261 G Service Manual Download Page 8

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2.3 Specifications of other parts

Indoor unit

Transformer (TR)

DB-08-05B

Thermal resistor

KTM-41-C9(Copper), KTEC-41-C12(Plastic)

Resistance( K

)

℃

32.97K

℃

20.00K

℃

12.51K

℃

10.00K

℃

8.048K

Power relay (PR)

G4A-1A-E 12VDC Or

JQX-102F-012

JZC-43F-012-HS

Coil rated voltage

Coil resistance

(20

℃

)

12V d.c

Outdoor unit

Four-way reversing valve

Coil rated value

Coil resistance

(20

℃

)

AC 220V/240 50Hz 6W

1450

10%

Data subject to change without notice

Power supply

JUK6.604.1743

16A/ 250Va.c

Summary of Contents for HCNJ 261 G

Page 1: ...Service Manual ...

Page 2: ...Specifications 4 3 Control Specifications 9 4 Dimensional Data 16 5 Performance Charts 22 6 Refrigerant Flow Diagram 23 7 Circuit Diagram 24 8 Troubleshooting 27 9 Checking Electrical Components 31 10 Installation 33 11 IR Remote Controller 44 ...

Page 3: ...DB 24 DB 18 WB Heating Min 5 DB 7 DB 8 WB 1 2 Operating Conditions Rated Operating Conditions Indoor Temperature Outdoor Temperature Cooling 27 DB 19 WB 35 DB 24 WB Heating 20 7 DB 6 WB Tubing Length m 4 0 Max Operating Value Indoor Temperature Outdoor Temperature Cooling 32 DB 23 WB 43 DB Heating 27 24 DB 18 WB Tubing Length m 4 0 DB Dry bulb temperature WB Wet bulb temperature ...

Page 4: ...d ind out Refrigerant Precharge MAX Splitting with Refrigerant Precharge Additional Refrigerant Charge Refrigerant Control Temperature range cooling Temperature range heating Indoor unit Indoor Noise level 1 m Hi Mi Lo Indoor Noise level 2 5 m Hi Mi Lo Moisture Removal Indoor air flow Hi Mi Lo Fan Speeds Available static pressure MAX Drain up from the bottom of the I U Drain hose diameter Remote C...

Page 5: ...otor rpm 220V High speed Coil resistance Ambient temp 20 Ω Wolong Red purple 267 2 purple White 494 Fan Operating capacitor 1μF 450 VAC Louver motor Type Step motor Model 24BYJ48 FII Rated voltage d c V 12 Coil resistance Ambient temp 25 Ω 300Ω 7 Front panel motor Type Step motor Model 35BYJ412B 26 Rated voltage d c V 12 Coil resistance Ambient temp 25 Ω 200Ω 7 Heat exchanger Fin Aluminum fin Copp...

Page 6: ...an Fan motor Type Propeller fan Amount Diameter mm 1 ф400 Fan motor model Welling YDK17 6G Pole Rotation of motor 220V High speed rpm 6 720 Rated power output W 20 Coil resistance Ambient temp 20 Ω White Gray 426 Brown White 214 Type Internal protector Open 130 8 Safety device Operating temp Close 90 15 μF 2 5 Operating capacitor VAC 450 Heat exchanger Fin Aluminum fin Copper tube Rows 1 5 Fin pit...

Page 7: ...Fan Fan motor Type Propeller fan Amount Diameter mm 1 ф400 Fan motor model Welling YDK40 6H Pole Rotation of motor 220V High speed rpm 6 880 Rated power output W 40 Coil resistance Ambient temp 20 Ω White Gray 211 Brown White 258 Type Internal protector Open 130 8 Safety device Operating temp Close 90 15 μF 2 5 Operating capacitor VAC 450 Heat exchanger Fin Aluminum fin Copper tube Rows 2 Fin pitc...

Page 8: ...KΩ 10 20 00KΩ 20 12 51KΩ 25 10 00KΩ 30 8 048KΩ Power relay PR G4A 1A E 12VDC Or JQX 102F 012 JZC 43F 012 HS Coil rated voltage Coil resistance Ω 20 12V d c Ω 12V d c Ω Outdoor unit Four way reversing valve Coil rated value Coil resistance Ω 20 AC 220V 240 50Hz 6W 1450 10 Data subject to change without notice Power supply JUK6 604 1743 16A 250Va c ...

Page 9: ...on which is on the indoor unit or on the remote controller 3 2 2 Timing on off and program control 3 2 2 1 Turn on the air conditioner on timer The air conditioner will start operation at the set time Timing on function is only effective for one time in 24 hours If user turns on the air conditioner by pressing ON OFF button on the remote controller before the set time then Timing on function will ...

Page 10: ...conditioner stars running or the set temperature is adjusted under this mode Master controller can select running mode cooling or heating automatically by the D value between indoor temperature and set temperature It runs in cooling mode when Tr Ts Tr Room temperature Ts Set temperature and in heating mode when Tr Ts In heating mode When Tr Ts 3 lasts for 15 minutes It turns into cooling mode In c...

Page 11: ...g is in position 2 5 3 3 4 Heating not available for cooling only type air conditioner Temperature control range 16 32 Original value 24 Temperature control precision 1 Characters on control 4 way reversing valve opens When Tr Ts 1 compressor 4 way reversing valve and outdoor fan motor all open When Tr Ts 1 compressor and outdoor fan motor both close Indoor fan motor is running at breeze When Trc ...

Page 12: ...high not available for cooling only type air conditioner When Toc 60 the air conditioner will enters into cooling overload protection and indoor fan speed will drop a gear When Toc 75 compressor will stop indoor fan motor goes on running When Toc 55 and the time of indoor fan exchange is for more than 5 minutes the air conditioner will exit cooling overload protection indoor fan motor and compress...

Page 13: ...or and outdoor fan motor will stop working after the unit entering into defrost running 55 seconds later 4 way reversing valve will close Another 5 seconds compressor starts running When the time of the compressor running is for more than 10 minutes or Toc 20 and defrosting time is for more than 3 minutes Compressor stops 55 seconds later 4 way reversing valve will open Another 5 seconds later com...

Page 14: ...er beeps twice and the master controller CPU run as 61 times as the former speed 3 5 3 Auxiliary electric heating not available for cooling only type air conditioner The starting conditions of auxiliary electric heating A Received the signal for remote controller to start this function B Air conditioner runs in heat mode C Compressor runs for more than 1 minute D Tr 14 E Ts Tr 6 F Indoor fan runs ...

Page 15: ...resh will be functioned and the indicator will light too 3 5 6 Quiet Operation Press quiet button when air conditioner is in SWEEP mode the indoor fan will run at breeze Press air refresh button if air conditioner doesn t run the indoor fan will run at breeze if the setting fan speed is breeze Quiet function is not effective for other status 3 6 Parameter table Temperature table of protecting poin...

Page 16: ...4 Dimensional data Indoor Unit Outdoor Unit 918 291 180 786 305 530 Unit mm The above figures are only schematic and they may be slightly different from the actual appliance you bought ...

Page 17: ... may be slightly different NOTE The figure above is for explanation purpose only the actual appliance may be slightly different Power cord Condensate drain hose Motorized horizontal flap Remote controller receiver and Display Air inlet Vertical louvers manual adjusting Front panel Decorated board removable Infrared remote controller Refrigerant piping and electrical wiring Air inlet sideways and r...

Page 18: ...able on these models Set temperature display The desired temperature value is displayed as set by the User through the infrared remote controller Current indoor fan speed setting indicator Indoor fan is set at HIGH speed Indoor fan is set at MEDIUM speed Indoor fan is set at LOW speed NOTES If the current indoor fan speed setting indicator is flashing this means that AUTO fan speed has been select...

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Page 20: ...mbly 10 Electric control cover 11 Air filter right side 12 Front panel assembly 13 Display window assembly 14 Decorative slat 15 Air filter left side 16 NM potocatalyst deodorant net 17 Cover for step motor 18 Step motor 19 Air guiding frame assembly 20 Axile bush 21 Fan 22 Supporter left side 23 Evaporator assembly 24 Real panel assembly 25 Installation board 26 27 28 ...

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Page 23: ...rom dropping on the floor the wide and narrow tube of air conditioner should be wrapped with thermal insulating materials For using capillary tube and the tubes are in low temperature the thickness of thermal insulating materials shall be more than 8 mm Narrow tube Ф6 35 mm 1 4 Ф9 52 mm 3 8 Wide tube Ф12 7 mm 1 2 ...

Page 24: ...7 Circuit Diagram 7 1 Electrical wiring diagram for outdoor unit To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts Warning ...

Page 25: ...7 2 Electrical wiring diagram for indoor unit To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts Warning ...

Page 26: ...7 3 Electrical Schematic wiring diagram ...

Page 27: ...ccordance with the wiring diagram 8 1 3 Check power supply To check whether the power supply is in the specified range 220 10 To check whether the power supply is being supplied 8 1 4 Check connector and lead wire of indoor and outdoor units To check whether the insulating cover of the lead wire is damaged To check whether the lead wire and the connector are connected well High voltage will result...

Page 28: ...Service valve is not open completely Open it completely Air circulating capacity is not enough The air filter is blocked Clean it 4 way reversing valve fails Replace it Fan running speed is at low Change it to high or medium Connection between indoor and outdoor units is in poor thermal insulated Wide and narrow tubes are thermal insulated separately Cooling air flow 4 way reversing valve is defec...

Page 29: ...t run 8 2 2 1 Check the switch power Without 30V DC output from two ends of the capacitor C405 the indicator does not light A Check 240V power supply power socket power cord fuse 3 15A 220V high voltage capacitor C410 whether there is 280 300V DC or not B Check the capacitor C405 Check the relay of the compressor motor for normality Check the winding resistor of the compressor Replace the compress...

Page 30: ...an does not run Check the fan for being in protection 8 2 4 the louver motor does not run or runs improperly 8 2 4 1 Check the power supply 12V 8 2 4 2 Check the motor for being in protection 8 2 4 3 Check the PCB XS301 and D300 for welding loosely or welding jointly 8 2 4 4 Replace the step motor 8 2 5 Sensor alarm units stop 8 2 5 1 Check the 5V power supply 8 2 5 2 Check PCBs for welding loosel...

Page 31: ...e resistance by placing a probe on either of the power wires Fig 1 Then measure the resistance between the ground wire and the other power wire Fig 1 9 1 2 Indoor unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw on the terminal plate Fig 2 Note that the ground line terminal sh...

Page 32: ...s shown in Fig 6 9 3 Checking motor capacitor Remove the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The ...

Page 33: ...fuse protector or automatic breaker should be used for the air conditioner The air conditioner must be correctly and reliably grounded or it may cause electric shock or fire Do not connect the power of the air conditioner before well connecting and carefully checking the tubing and wires The appliance shall not be installed in laundry or bathroom The air conditioner can be connected only to a supp...

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Page 40: ...rd For the details please refer to How to clean the air filters in the User s Manual 2 Outdoor Unit Loose off the screws and remove the electronic device lid Dismantle the pressure plate of wire fastener Connect the connecting wires of the unit to the corresponding terminal and fix the terminals Fig 13 Butt the signal control wire Press tightly the connecting wires of the unit with pressure plate ...

Page 41: ...undle with tube clamps on the wall Seal the external wall holes with sealing gum or putty Do not strap too tightly otherwise it will affect the insulation effects For appropriate dripping location strapping should be such that there is a sufficient length of exposed discharge hose Do not insert the drain hose into the ditch When indoor unit is lower than outdoor unit please bent the pipe to preven...

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Page 43: ...tion for air conditioner is finished Please operate the air conditioner correctly according to the User s Manual Thanks for purchasing our products Contact us if necessary and we ll offer you excellent service promptly ...

Page 44: ...crease the set temperature by 1 C FAN SPEED Button To set the rotation speed of the indoor fan AUTO fan speed HIGH fan speed MEDIUM fan speed LOW fan speed FAN SWEEP Button To set the vertical angle of the motorized flap 6 fixed stop po sitions or continuous swinging of the flap TIMER Button To display in sequence the settings related to ON Timer programmed start Timer OFF programmed stop and set ...

Page 45: ...on mode air conditioner start and stop or vice versa is active or it can be set ON Timer Indicator It indicates that the pro grammed startup of the air conditioner is active or it can be set Timer OFF Indicator It indicates that the pro grammed stop of the air conditioner is active or it can be set Time Indicator It displays the current ti me or the set time for the Timer functions program med ope...

Page 46: ... When the remote controller does not work after batteries replacing remove and reinsert both of them after 30 seconds or more or press several times the ON OFF button on the remote controller with no batteries inside Correct handling of the remote controller When operating point the signal transmitter toward the remote signal receiver of the Indoor Unit Maximum distance for operation is 8 m Make s...

Page 47: ...ton 1 If the AUTO Automatic mode has been selected the air conditioner will perform the most appropriate operation according to the difference between the room temperature and the temperature value set by the User through the remote controller 2 If the AUTO Automatic mode has been selected the SLEEP i e night softening function is not available 3 If the DRY Dehumidifying mode has been selected the...

Page 48: ...the air conditioner must be switched off before to avoid touching the indoor fan while it is rotating at high speed Vertical adjusting Louvers left right adjusting 1 2 3 6 4 5 Press repeatedly the FAN SWEEP button on the remote controller to adjust the vertical direction of the airflow blown by the air conditioner It is possible to select one among 6 available stop angles for the motorized flap se...

Page 49: ...ure will be controlled between 16 C and 32 C When the SLEEP function is enabled the indoor fan speed is automatically set to MEDIUM middle speed but this setting can be modified by the User through the remote controller When the SLEEP function is enabled the LED display on the indoor unit will turn off 30 seconds after a signal from the remote controller was received When the SLEEP function is ena...

Page 50: ...IME button the symbol is displayed on the LCD screen and the current time indication keeps flashing Press the HOUR button to adjust the current time HOUR shown on the LCD screen If you hold the button pres sed the relevant indication changes quickly Press the MINUTE but ton to adjust the current time MINUTES shown on the LCD screen If you hold the button pressed the relevant indi cation changes qu...

Page 51: ... can be set by 10 minutes steps Press the TIMER but ton to confirm the setting ON Notes 1 After the time for the programmed start ON Timer is set the air conditioner will stop and the symbol will be shown on the LCD screen of the remote controller the air conditioner will restart operating at the set time and the symbol will disappear from the remote controller s LCD screen If the set time for the...

Page 52: ... can be set by 10 minutes steps Press the TIMER but ton to confirm the setting Notes 1 After the time for the programmed stop Timer OFF is set the air conditioner will start and the symbol will be shown on the LCD screen of the remote controller the air conditioner will stop operating at the set time and the symbol will disappear from the remote controller s LCD screen If the set time for the prog...

Page 53: ... displayed on the LCD screen of the remote controller PROGRAM ON PROGRAM OFF PROGRAM According to the programmed time settings the air conditioner will start operating and then stop or vice versa For your reference the symbols displayed on the LCD screen of the remote controller are the following If it is not disabled each program set for start and stop will be repeated everyday If the air conditi...

Page 54: ...r TEST RUN mode switch is pointed out in the picture above TEST RUN Mode To start operation in TEST RUN mode the emergency run switch see above must be hold pressed for more than 4 seconds the buzzer on the indoor unit will beep twice to indicate that the air conditioner has entered the TEST RUN mode The TEST RUN mode will last for no more than 15 minutes after this time has elapsed the air condit...

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