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Panasonic CS-C18HKD, Руководство по обслуживанию

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46

15 Troubleshooting Guide

15.1. Refrigeration cycle system

In order to diagnose malfunctions, make sure that there are no
electrical problems before inspecting the refrigeration cycle.
Such problems include insufficient insulation, problem with the
power source, malfunction of a compressor and a fan.
The normal outlet air temperature and pressure of the
refrigeration cycle depends on various conditions, the standard
values for them are shown in the table to the right.

Содержание CS-C18HKD

Страница 1: ...S PAGE PAGE 1 Safety Precautions 2 2 Specifications 4 2 1 CS C18HKD CU C18HKD 4 2 2 CS C24HKD CU C24HKD 6 3 Features 8 4 Location of Controls and Components 9 4 1 Indoor Unit 9 4 2 Outdoor Unit 9 4 3 Remote Control 9 5 Dimensions 10 5 1 Indoor Unit Remote Control 10 5 2 Outdoor Unit 11 6 Refrigeration Cycle Diagram 12 7 Block Diagram 13 8 Wiring Connection Diagram 14 8 1 CS C18HKD CU C18HKD 14 8 2...

Страница 2: ...arts List 58 18 1 Indoor Unit 58 18 2 Outdoor UnitCU C18HKD 60 18 3 Outdoor UnitCU C24HKD 61 1 Safety Precautions Read the following SAFETY PRECAUTIONS carefully before perform any servicing Electrical work must be installed or serviced by a licensed electrician Be sure to use the correct rating of the power plug and main circuit for the model installed The caution items stated here must be follow...

Страница 3: ...ck 15 It is desirable that the amount of residual oil is less than 40 mg 10 m 16 During installation before run the compressor confirm the refrigerant pipes are fixed Operation of compressor without fixing the piping setting the valves at open condition a burst may occur and cause injury 17 After completion of installation or service confirm there is no leakage or refrigerant gas It may generate t...

Страница 4: ...nch 275 10 27 32 540 21 9 32 Width mm inch 998 39 5 16 780 30 23 32 Depth mm inch 230 9 1 16 289 11 13 32 Net Weight kg lbs 11 24 37 82 Pipe Diameter Gas mm inch 12 70 1 2 Liquid mm inch 6 35 1 4 Height Difference m ft 20 65 6 Pipe Length Range m ft 3 9 8 25 82 0 Additional Gas Amount g m oz ft 20 0 2 Refrigeration Charge Less m ft 7 5 24 6 Drain Hose Inner diameter mm 16 Length mm 650 Compressor ...

Страница 5: ...e Single V 220 230 Hz 50 50 Input power W 1 72k 1 76k Starting Current A 40 40 Running Current Cooling A 8 2 8 3 Maximum Current Cooling A 12 2 12 2 Power Factor Cooling 95 92 Power factor means total figure of compressor indoor fan motor and outdoor fan motor Power Cord Number of core 3 1 5mm Length m ft 2 6 Thermostat Protection Device ...

Страница 6: ...2 750 29 17 32 Width mm inch 998 39 5 16 875 34 15 32 Depth mm inch 230 9 1 16 345 13 19 32 Net Weight kg lbs 11 24 58 128 Pipe Diameter Gas mm inch 15 88 5 8 Liquid mm inch 6 35 1 4 Height Difference m ft 20 65 6 Pipe Length Range m ft 3 9 8 25 82 0 Additional Gas Amount g m oz ft 30 0 3 Refrigeration Charge Less m ft 7 5 24 6 Drain Hose Inner diameter mm 16 Length mm 650 Compressor Type Hermetic...

Страница 7: ...le V 220 230 Hz 50 50 Input power kW 2 35 2 41 Starting Current A 65 65 Running Current Cooling A 11 5 11 6 Maximum Current Cooling A 15 1 15 1 Power Factor Cooling 93 90 Power factor means total figure of compressor indoor fan motor and outdoor fan motor Power Cord Number of core 3 2 5mm Length m ft 2 6 Thermostat Mechanical Protection Device ...

Страница 8: ...ng up to 25 meter Easy to use remote control Quality Improvement Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect compressor Noise prevention during soft dry operation Blue coated condenser for high resistance to corrosion Operation Improvement Quiet mode to reduce the indoor unit operating sound...

Страница 9: ...9 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...

Страница 10: ...10 5 Dimensions 5 1 Indoor Unit Remote Control 5 1 1 CS C18HKD CS C24HKD ...

Страница 11: ...11 5 2 Outdoor Unit 5 2 1 CU C18HKD 5 2 2 CU C24HKD ...

Страница 12: ...12 6 Refrigeration Cycle Diagram ...

Страница 13: ...13 7 Block Diagram ...

Страница 14: ...oor Fan Motor Windings Note Resistance at 20qC of ambient temperature Resistance of Compressor Windings Note Resistance at 20qC of ambient temperature MODEL CU C18HKD CONNECTION CWA951116J BLUE RED 230 YELLOW RED 255 MODEL CU C18HKD CONNECTION 2KS314D5FA04 C R 1 633 C S 3 67 ...

Страница 15: ...Resistance at 20qC of ambient temperature Resistance of Compressor Windings Note Resistance at 20qC of ambient temperature MODEL CU C24HKD CONNECTION CWA951352J BLUE YELLOW 99 6 YELLOW RED 126 8 YELLOW ORANGE 158 7 MODEL CU C24HKD CONNECTION 2JS438D3GA02 C R 0 830 C S 2 257 ...

Страница 16: ...16 9 Electronic Circuit Diagram ...

Страница 17: ...17 10 Printed Circuit Board 10 1 Indoor Unit Main Printed Circuit Board TOP VIEW ...

Страница 18: ...18 BOTTOM VIEW ...

Страница 19: ...19 10 2 Indoor Unit Power Printed Circuit Board ...

Страница 20: ...20 10 3 Indicator panel TOP VIEW BOTTOM VIEW ...

Страница 21: ...vent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over 7 5m additional refrigerant shou...

Страница 22: ...hole Another method is by putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 150 mm and 125 mm for left and right hole respectively Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outdoor side 11 2 2 To Drill a Hole in the Wall and Install a Sleeve of Piping 1 Insert the ...

Страница 23: ...23 3 For the embedded piping This can be used for left rear piping and left bottom piping also ...

Страница 24: ...oroprene sheathed 3 u 2 5 mm2 flexible cord type designation 245 IEC 57 or heavier cord Ensure the colour of wires of outdoor unit and the terminal Nos are the same to the indoor s respectively Earth lead wire shall be longer than the other lead wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage Secure the cable onto the control board ...

Страница 25: ...pecified torque as stated in the table Connecting The Piping To Outdoor Unit Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table Cutting and Flaring the Piping 1 Please cut usi...

Страница 26: ... not move after approximately five minutes Note BE SURE TO FOLLOW THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 18 NO m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of t...

Страница 27: ...e cable onto the control board with the holder clamper 4 Attach the control board cover to the original position with the screw 11 3 5 Pipe Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the room ...

Страница 28: ...e room temperature reaches the setting temperature set on the remote control The remote control setting temperature which takes the reading of intake air temperature sensor can be adjusted from 16qC to 30qC During cooling operation the compressor will stop running and restart as shown in figure below 12 1 1 Cooling Operation Time Diagram ...

Страница 29: ...egins Soft Dry will be switched ON for a maximum 10 minutes then Soft Dry operation will be turned OFF for a minimum 6 minutes After that the Soft Dry operation will be ON and OFF based on the setting temperature as shown in figure below However after 3 minutes of compressor off during Soft Dry OFF within 6 minutes Soft Dry restart control the indoor unit will start to operate at normal Cooling mo...

Страница 30: ...temperature for all the operations can be changed one level up or one level down from the standard temperature as shown in below table by pressing on the temperature up or temperature down button at remote control The operation mode judging temperature and standard setting temperature can be increased by 2qC permanently by open the circuit of JX03 at indoor electronic controller 12 4 Indoor Fan Sp...

Страница 31: ...ndoor fan will operate at Lo for the beginning 20 seconds to prevent higher volume of refrigerant in liquid form returning to the compressor 5 After the compressor at turn off condition for 3 minutes indoor fan will start to operate at Lo to circulate the air in the room This is to obtain the actual reading of the intake air temperature 6 For the resume of compressor operation indoor fan will oper...

Страница 32: ... unit is turned off 12 6 Vertical Airflow Direction Control 12 6 1 Auto Control When the vertical airflow direction is set to Auto using the remote control the louver swings up and down as shown in the diagram When stopped with remote control the discharge vent is reset and stop at the closing position During Cooling operation or Soft Dry operation indoor fan motor may stop to rotate at certain pe...

Страница 33: ...e adjusted by pressing the button to the desired vane position When stopped with remote control the vanes is reset and stopped at reset position 12 8 Powerful Operation To achieve the setting temperature quickly When Powerful operation is set the setting temperature will be automatically decreased 3qC internally against the present setting temperature Lower temperature limit 16qC This operation au...

Страница 34: ...Quiet Mode LED illuminated The sound level will reduce around 2 dB A for Lo fan speed or 3 dB A for Hi Me fan speed against the present operation sound level Manual Fan Speed RPM control during Lo cool RPM control during Hi Me cool Auto Fan Speed Quiet operation stops when Quiet button is pressed again Stopped by OFF ON operation button Timer OFF activates Powerful button is pressed ...

Страница 35: ...e cancelled 2 To cancel the previous timer setting press CANCEL button 3 To activate the previous timer setting press SET button 4 If main power supply is switched off the Timer setting will be cancelled 12 11 Random Auto Restart Control If there is a power failure during operation the air conditioner will automatically restart after 3 to 4 minutes when the power is resumed It will start with prev...

Страница 36: ...oling only operation Patrol button is pressed Patrol operation stop condition when any of the following condition is fulfilled When OFF ON button is pressed During any operation with Patrol Patrol button is pressed again When e ion button is pressed When OFF Timer activates Patrol operation disable To disable the Patrol Operation during unit start default with OFF ON button press Patrol button and...

Страница 37: ...y if remote control does not operate for 30 seconds e ion Control e ion operation starts condition Q When dirtiness at level 2 Patrol LED turns red e ion operation time Q If dirtiness level improves from level 2 to level 1 Patrol LED from red to orange the unit carries out level change after 60 seconds Q When dirtiness level returns to level 0 Patrol LED turns blue continuously for 11 minutes or m...

Страница 38: ...on resume immediately Error Detection Control The Patrol error detection control starts once the power is supplied to Patrol sensor However the error will display when the Patrol operation is ON Error detection method 1 If the Patrol sensor is opened circuit continuously for 6 hours Patrol sensor error occurs However the error will display only when the Patrol operation is ON Patrol Sensor Control...

Страница 39: ...take temperature 40qC continuously for 30 minutes Indoor fan control During any operation mode combines with e ion operation fan speed follows respective operation mode During e ion individual operation only Auto Fan Speed and no Powerful operation is allowed Even if Fan Speed button is pressed no signal is sent to air conditioner and no change on LCD display Auto Fan Speed for e ion operation swi...

Страница 40: ...de during Patrol operation e ion AIR PURIFYING SYSTEM main connector to PCB is opened Troubleshooting Methods Connect the connector or stop operation include during Patrol operation to cancel the blinking 2 Abnormal Discharge error Judgment Method During e ion operation feedback voltage is Lo at microcontroller is detected it is judged abnormal discharge and stops power supplies to the e ion AIR P...

Страница 41: ...e to indoor PCB or filter s high voltage power supply damage Operations except e ion continue Both Timer indicator and e ion indicator blink Troubleshooting Method Press e ion button or OFF ON button to stop the operation Change main circuit board or filter s high voltage power supply When lo feedback voltage supplied to e ion AIR PURIFYING SYSTEM during e ion operation e ion indicator and Timer i...

Страница 42: ...ill not stop within 60 seconds in a normal operation although the intake air temperature has reached the thermo off temperature However force stop by pressing the OFF ON operation button at the remote control is permitted The reason for the compressor to force operate at minimum 60 seconds is to allow the refrigerant oil run in a full cycle and return back to the outdoor unit 13 4 Starting current...

Страница 43: ...ted Remote Control setting temperature is less than 25qC Fan speed is at Lo or QLo Room temperature is constant 1qC for 30 minutes Compressor is continuously running Fan speed angle of horizontal louver vertical airflow angle and angle of vertical louver horizontal airflow angle will be adjusted accordingly in this control Fan speed will be increased slowly if the unit is in quiet mode and Lo fan ...

Страница 44: ...occur at to identify the starting of Remote Control Receiving Sound Off On Mode Press Auto OFF ON button to toggle remote control receiving sound Short beep Turn ON remote control receiving sound Long beep Turn OFF remote control receiving sound After Auto OFF ON Button is pressed the 20 seconds counter for Remote Control Receiving Sound OFF ON Mode is restarted 14 2 Select Remote Control Transmis...

Страница 45: ...und will be heard LCD returns to original display after 2 seconds LCD returns to original display if remote control does not operate for 30 seconds 14 3 2 CLOCK BUTTON To change the remote control s time format Press for more than 5 seconds 14 3 3 RESET RC To clear and restore the remote control setting to factory default Press once to clear the memory 14 3 4 TIMER To change indoor unit indicator ...

Страница 46: ... problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table to the right ...

Страница 47: ...logged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Nature of fault Symptom Electric current during operation becomes approximately 20 lower than the normal value Insufficient compressing of a compressor The discharge tube of the compressor becomes abnormally hot normally 70 to 90qC The difference between high pre...

Страница 48: ...s WARNING Cautions When handling electronic controller be careful of electrostatic discharge Be sure to return the wiring to its original position There are many high voltage components within the heat sink cover so never touch the interior during operation Wait at least two minutes after power has been turned off ...

Страница 49: ...49 ...

Страница 50: ...50 ...

Страница 51: ...51 ...

Страница 52: ...52 ...

Страница 53: ...53 17 Technical Data 17 1 Thermostat Characteristics Cooling Soft Dry ...

Страница 54: ...54 17 2 Operation Characteristics 17 2 1 CS C18HKD CU C18HKD ...

Страница 55: ...55 ...

Страница 56: ...56 17 2 2 CS C24HKD CU C24HKD ...

Страница 57: ...57 ...

Страница 58: ...8 Exploded View and Replacement Parts List 18 1 Indoor Unit Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Страница 59: ...1153C m 19 CAP FOR DRAIN TRAY COMPLETE 1 CWH521096 m 20 BACK COVER CHASSIS 1 CWD932162B m 21 CONTROL BOARD CASING 1 CWH102334 m 22 TERMINAL BOARD COMPLETE 1 CWA28C2316 CWA28C2317 23 P S CORD 1 CWA20C2617 CWA20C2663 24 ELECTRONIC CONTROLLER MAIN 1 CWA73C3008 CWA73C3003 25 ELECTRONIC CONTROLLER POWER 1 CWA744788 m 26 INDICATOR COMPLETE 1 CWE39C1184 m 27 INDICATOR HOLDER 1 CWD932817 m 28 INDICATOR HO...

Страница 60: ...60 18 2 Outdoor Unit CU C18HKD Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Страница 61: ...61 18 3 Outdoor Unit CU C24HKD Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Страница 62: ...5 16 CAPILLARY TUBE ASS Y 1 CWB15K1206 17 TUBE ASS Y CAPILLARY TUBE 1 CWT024670 18 3 WAY VALVE GAS 1 CWB011233 CWB011484 19 TERMINAL COVER 1 CWH171012 m 20 NUT TERMINAL COVER 1 CWH7080300J m 21 CAPACITOR F M 2mF 440V 1 DS441205NPQA DS441355NPQA 22 CAPACITOR COMPRESSOR 40mF 400V 1 CWA312079 CWA312079 23 HOLDER CAPACITOR 1 CWH30060 m 24 TERMINAL BOARD ASS Y 1 CWA28K1064J m 25 CABINET SIDE PLATE L 1 ...

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