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Panasonic CS-C9PKV Service Manual

Indoor/outdoor units
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This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the products dealt with in this service information by anyone else could result in serious injury or death.
Indoor Unit
CS-C9PKV
CS-C12PKV
CS-C18PKV
CS-C24PKV
CS-C28PKV
WARNING
Order No: PAPAMY1303029CE
Outdoor Unit
CU-C9PKV
CU-C12PKV
CU-C18PKV
CU-C24PKV
CU-C28PKV
Destination
Panama
Aruba
Columbia
Dutch Antilles
Trinidad & Tobago
© Panasonic Corporation 2013.

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Summary of Contents for Panasonic CS-C9PKV

  • Page 1 Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the products dealt with in this service information by anyone else could result in serious injury or death. © Panasonic Corporation 2013.

  • Page 2: Table Of Contents

    Refrigeration cycle system ......78 8. Wiring Connection Diagram ......21 17. Disassembly and Assembly Instructions ..80 CS-C9PKV CU-C9PKV CS-C12PKV CU-C12PKV ......21 17.1 CS-C9PKV CS-C12PKV ......80 CS-C18PKV CU-C18PKV ......22 17.2 CS-C18PKV CS-C24PKV CS-C28PKV .. 84 CS-C24PKV CU-C24PKV ......23 CS-C28PKV CU-C28PKV ......24 18.

  • Page 3: Safety Precautions

    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. •...
  • Page 4 WARNING 19. During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrigeration piping and valves at opened condition will caused suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc). 20.

  • Page 5: Specification

    2. Specification Indoor CS-C9PKV CS-C12PKV Model Outdoor CU-C9PKV CU-C12PKV Performance Test Condition NEW JIS NEW JIS Phase, Hz Single, 60 Single, 60 Power Supply 2.65 3.56 Capacity BTU/h 9040 12100 kJ/h 9540 12820 Running Current Input Power 1.11k 3.19 3.21 BTU/hW 10.89...
  • Page 6 Indoor CS-C9PKV CS-C12PKV Model Outdoor CU-C9PKV CU-C12PKV Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) 6.35 (1/4) / 12.70 (1/2) Standard length m (ft) 7.5 (24.6) 7.5 (24.6) Length range (min – max) m (ft) 3 (9.8) ~ 10 (32.8) 3 (9.8) ~ 15 (49.2)
  • Page 7 Indoor CS-C18PKV CS-C24PKV Model Outdoor CU-C18PKV CU-C24PKV Performance Test Condition NEW JIS NEW JIS Phase, Hz Single, 60 Single, 60 Power Supply 5.30 7.03 Capacity BTU/h 18100 24000 kJ/h 19100 25300 Running Current 12.0 Input Power 1.72k 2.55k 3.08 2.76 BTU/hW 10.52 9.41...
  • Page 8 Indoor CS-C18PKV CS-C24PKV Model Outdoor CU-C18PKV CU-C24PKV Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 12.70 (1/2) 6.35 (1/4) / 15.88 (5/8) Standard length m (ft) 5.0 (16.4) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 25 (82.0) 3 (9.8) ~ 25 (82.0) I/D &...
  • Page 9 Indoor CS-C28PKV Model Outdoor CU-C28PKV Performance Test Condition NEW JIS Phase, Hz Single, 60 Power Supply 8.40 Capacity BTU/h 28700 kJ/h 30240 Running Current 15.9 Input Power 3.42k 2.46 BTU/hW 8.39 Power Factor dB-A 49 / 44 Indoor Noise (H / L) Power Level dB 62 / –...
  • Page 10 Indoor CS-C28PKV Model Outdoor CU-C28PKV Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 15.88 (5/8) Standard length m (ft) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 30 (98.4) I/D & O/D Height different m (ft) 20 (65.6) Additional Gas Amount...

  • Page 11: Features

    Features • Air Purifying System with nanoe-G Deactivates and removes bacterial, viruses and mould. • Long Installation Piping CS/CU-C9PK, long piping up to 10 meters. CS/CU-C12PK, long piping up to 15 meters. CS/CU-C18PK, CS/CU-C24PK, long piping up to 25 meters. CS/CU-C28PK, long piping up to 30 meters.

  • Page 12: Location Of Controls And Components

    4. Location of Controls and Components Indoor Unit Outdoor Unit Remote Control...

  • Page 13: Dimensions

    5. Dimensions Indoor Unit 5.1.1 CS-C9PKV CS-C12PKV...
  • Page 14 5.1.2 CS-C18PKV CS-C24PKV CS-C28PKV...

  • Page 15: Outdoor Unit

    Outdoor Unit 5.2.1 CU-C9PKV 5.2.2 CU-C12PKV...
  • Page 16 5.2.3 CU-C18PKV 5.2.4 CU-C24PKV CU-C28PKV...

  • Page 17: Refrigeration Cycle Diagram

    6. Refrigeration Cycle Diagram LIQUID CAPILLARY SIDE STRAINER TUBE THERMOSTAT 2-WAY (C24PK & C28PK VALVE only) INTAKE PIPE TEMP. TEMP. SENSOR SENSOR HEAT EXCHANGER (CONDENSER) HEAT EXCHANGER (EVAPORATOR) CAPILLARY SEPARATOR TUBE (C28PK only) (C28PK only) SIDE 3-WAY VALVE COMPRESSOR...

  • Page 18: Block Diagram

    7. Block Diagram 7.1.1 CS-C9PKV CU-C9PKV CS-C12PKV CU-C12PKV...
  • Page 19 7.1.2 CS-C18PKV CU-C18PKV CS-C24PKV CU-C24PKV...
  • Page 20 7.1.3 CS-C28PKV CU-C28PKV...

  • Page 21: Wiring Connection Diagram

    8. Wiring Connection Diagram CS-C9PKV CU-C9PKV CS-C12PKV CU-C12PKV Resistance of Indoor Fan Motor Windings Resistance of Compressor Windings MODEL CS-C9PKV CS-C12PKV MODEL CU-C9PKV CU-C12PKV CONNECTION CWA921443 CWA921443 CONNECTION 2R13C236BSC 2P19S236A1L BLUE-YELLOW 382.0Ω 382.0Ω 3.298Ω 2.237Ω YELLOW-RED 226.8Ω 226.8Ω 5.500Ω 2.710Ω...

  • Page 22: Cs-C18Pkv Cu-C18Pkv

    CS-C18PKV CU-C18PKV Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C18PKV MODEL CU-C18PKV CONNECTION CWA951707 CONNECTION 2KS252F5AA06 BLUE-YELLOW 45Ω 2.043Ω YELLOW-RED 58Ω 2.986Ω Note: Resistance at 20°C of ambient temperature. Note: Resistance at 20°C of ambient temperature.

  • Page 23: Cs-C24Pkv Cu-C24Pkv

    CS-C24PKV CU-C24PKV Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C24PKV MODEL CU-C24PKV CONNECTION CWA951708 CONNECTION 2JS386F3AA04 BLUE-YELLOW 57Ω 1.048Ω YELLOW-RED 59Ω 1.785Ω YELLOW-ORANGE 65Ω Note: Resistance at 20°C of ambient temperature. Note: Resistance at 20°C of ambient temperature.

  • Page 24: Cs-C28Pkv Cu-C28Pkv

    CS-C28PKV CU-C28PKV Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C28PKV MODEL CU-C28PKV CONNECTION CWA951357J CONNECTION 2JD488H3AA03 YELLOW-BLUE 59.8Ω 0.624Ω YELLOW-ORANGE 68.6Ω 1.821Ω YELLOW-RED 66.9Ω Note: Resistance at 20°C of ambient temperature. Note: Resistance at 20°C of ambient temperature.

  • Page 25: Electronic Circuit Diagram

    9. Electronic Circuit Diagram CS-C9PKV CU-C9PKV CS-C12PKV CU-C12PKV...

  • Page 26: Cs-C18Pkv Cu-C18Pkv

    CS-C18PKV CU-C18PKV...

  • Page 27: Cs-C24Pkv Cu-C24Pkv

    CS-C24PKV CU-C24PKV...

  • Page 28: Cs-C28Pkv Cu-C28Pkv

    CS-C28PKV CU-C28PKV...

  • Page 29: Printed Circuit Board

    10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board 10.1.1.1 CS-C9PKV CS-C12PKV...
  • Page 30 10.1.1.2 CS-C18PKV CS-C24PKV CS-C28PKV 10.1.2 Indicator and Receiver Printed Circuit Board 10.1.3 High Voltage Power Supply Printed Circuit Board...
  • Page 31 10.1.4 Comparator Printed Circuit Board 10.1.5 Human Activity Sensor Printed Circuit Board...

  • Page 32: Installation Instruction

    11. Installation Instruction 11.1 Select the Best Location 11.1.3 Indoor/Outdoor Unit Installation Diagram (For C9/12/18/24PKV only) 11.1.1 Indoor Unit • Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. • There should not be any heat source or steam near the unit.

  • Page 33: Indoor Unit

    11.2 Indoor Unit 11.2.1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent if from the vibration. Dimension Model ○ ○ ○ ○ ○ ○ C9***, C12*** 490 mm 82 mm 439 mm 432 mm 43 mm 95 mm...
  • Page 34 11.2.3 Indoor Unit Installation 11.2.3.1 For the right rear piping 11.2.3.2 For the right and right bottom piping 11.2.3.3 For the embedded piping (This can be used for left rear piping and bottom piping also.
  • Page 35 11.2.4 Connect the Cable to the Indoor Unit 1. The inside and outside connection cable can be connected without removing the front grille. 2. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 × 1.5 mm (1.0 ~ 1.5HP) or 3 ×...
  • Page 36 11.2.5 Wire Stripping And Connecting Requirement 11.2.5.1 Cutting and flaring the piping Please cut using pipe cutter and then remove the burrs. Remove the burrs by using reamer. If burrs are not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe.

  • Page 37: Outdoor Unit

    11.3 Outdoor Unit 11.3.1 Install the Outdoor Unit • After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails.
  • Page 38 FOR ENVIRONMENTAL PROTECTION, MANUFACTURER STRONGLY RECOMMENDS TO USE EVACUATION METHOD. 11.3.3 Evacuation of the Equipment Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve. Be sure to connect the end of the charging hose with the push pin to the service port. Connect the center hose of the charging set to a vacuum pump.
  • Page 39 11.3.4 Air Purging of the Piping and Indoor The remaining air in the Refrigerant cycle which contains moisture may cause malfunction on the compressor. Remove the caps from the 2-way and 3-way valves. Remove the service-port cap from the 3-way valves. To open the valve, turn the valve stem of 2-way valve counter-clockwise approx.
  • Page 40 11.3.5 Connect the cable to the Outdoor Unit Remove the control board cover from the unit by loosening the screw. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 × 1.5 mm (1.5HP) or 3 × 2.5 mm (2.0 ~ 2.5HP) flexible cord, type designation 60245 IEC 57 or heavier cord.

  • Page 41: Installation Instruction

    12. Installation Instruction 12.1 Select the Best Location 12.1.3 Indoor/Outdoor Unit Installation Diagram (For C28PKV only) 12.1.1 Indoor Unit • Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. • There should not be any heat source or steam near the unit.

  • Page 42: Indoor Unit

    12.2 Indoor Unit 12.2.1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent if from the vibration. Dimension Model ○ ○ ○ ○ ○ ○ C28*** 590 mm 82 mm 539 mm 532 mm 169 mm 219 mm The center of installation plate should be at more than...
  • Page 43 12.2.3 Indoor Unit Installation 12.2.3.1 For the right rear piping 12.2.3.2 For the right and right bottom piping 12.2.3.3 For the embedded piping (This can be used for left rear piping and bottom piping also.
  • Page 44 12.2.4 Connect the Cable to the Indoor Unit 1. The inside and outside connection cable can be connected without removing the front grille. 2. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm flexible cord, type designation 60245 IEC 57 or heavier cord.
  • Page 45 12.2.5 Wire Stripping And Connecting Requirement...

  • Page 46: Outdoor Unit

    12.3 Outdoor Unit 12.3.1 Install the Outdoor Unit • After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails.
  • Page 47 FOR ENVIRONMENTAL PROTECTION, MANUFACTURER STRONGLY RECOMMENDS TO USE EVACUATION METHOD. 12.3.3 Evacuation of the Equipment Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve. Be sure to connect the end of the charging hose with the push pin to the service port. Connect the center hose of the charging set to a vacuum pump.
  • Page 48 12.3.4 Air Purging of the Piping and Indoor The remaining air in the Refrigerant cycle which contains moisture may cause malfunction on the compressor. Remove the caps from the 2-way and 3-way valves. Remove the service-port cap from the 3-way valves. To open the valve, turn the valve stem of 2-way valve counter-clockwise approx.
  • Page 49 Secure the power supply cord and connection cable onto the control board with the holder. Attach the control board cover back to the original position with screw. For wire stripping and connection requirement, refer to instruction 12.2.5 of the indoor unit. WARNING This equipment must be properly earthed.

  • Page 50: Operation Control

    13. Operation Control 13.1 Cooling Operation • Cooling operation can be set using remote control. • This operation is applied to cool down the room temperature to 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 16°C to 30°C.
  • Page 51 13.1.2 Cooling Operation Time Diagram (For CS-C18PK CU-C18PK, CS-C24PK CU-C24PK and CS-C28PK CU-C28PK)

  • Page 52: Soft Dry Operation

    13.2 Soft Dry Operation • Soft Dry operation can be set using remote control. • Soft Dry operation is applied to dehumidify and to perform a gentle cooling to the room. • This operation starts when the intake air temperature sensor reaches the setting temperature on the remote control.
  • Page 53 13.2.2 Soft Dry Operation Time Diagram (For CS-C18PK CU-C18PK, CS-C24PK CU-C24PK and CS-C28PK CU-C28PK)

  • Page 54: Automatic Operation

    13.3 Automatic Operation • Automatic operation can be set using remote control. • This operation starts to operate with indoor fan at SLo speed for 20 seconds to judge the intake air temperature. • After judged the temperature, the operation mode is determined by referring to the below standard. ↑...

  • Page 55: Indoor Fan Speed Control

    13.4 Indoor Fan Speed Control • Indoor fan speed can be set using remote control. 13.4.1 Fan Speed Rotation Chart Fan Speed (rpm) Speed CS-C9PKV CS-C12PKV CS-C18PKV CS-C24PKV CS-C28PKV 1110 1110 1370 1440 1530 1010 1090 1200 1320 1490 1070...
  • Page 56 For CS-C18PK, CS-C24PK and CS-C28PK Stop Manual Normal Auto Hi-90 Manual Me-90 Quiet CLo-90 Auto Hi-90 Me-90 Manual Powerful Auto Manual Normal Auto Manual Quiet Auto Manual Powerful Auto • Auto Fan Speed during cooling operation: Indoor fan will rotate alternately between off and on as shown in below diagram. At the beginning of each compressor starts operation, indoor fan speed increases gradually for deodorizing purpose.

  • Page 57: Outdoor Fan Speed Control

    • Auto Fan Speed during Soft Dry operation. Indoor fan will rotate alternately between off and Lo-. At the beginning of each compressor starts operation, indoor fan will increase fan speed gradually for deodorizing purpose. When compressor turned off for 6 minutes, indoor fan will start at Lo- to circulate the air in the room. This is to obtain the actual reading of intake air temperature.
  • Page 58 For CS-C18PK, CS-C24PK and CS-C28PK 13.6.2 Manual Control • When the vertical airflow direction is set to Manual using the remote control, the automatic airflow is released and the airflow direction louver move up and down in the range shown in the diagram. •...

  • Page 59: Horizontal Airflow Direction Control

    13.7 Horizontal Airflow Direction Control 13.7.1 Auto Control • When the horizontal airflow is set to Auto using the remote control, the vanes swings left and right as shown in the diagram. • When stopped with remote control, the discharge vanes are reset and stop at the reset position. •...

  • Page 60: Powerful Operation

    13.8 Powerful Operation • To achieve the setting temperature quickly. • When powerful operation is set, the setting temperature will be automatically decreased 3°C internally against the present setting temperature (Lower temperature limit: 16°C). • This operation automatically running under Shi fan speed (Cooling), Lo- Fan Speed (Soft Dry) is applicable for C9PK and C12PK only.

  • Page 61: Timer Control

    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. Operation mode button is changed. 13.10 Timer Control 13.10.1 ON Timer •...

  • Page 62: Nanoe-G Operation

    13.13 nanoe-G Operation • This operation provides clean air by producing great amount of negative ions and distribute through the discharge airflow to capture or deactivate molds, bacteria or viruses. • nanoe-G operation start condition During unit running at any operation mode, if nanoe-G operation is activated, combination operation (operation mode + nanoe-G operation) starts.
  • Page 63 • nanoe-G check mode To enable nanoe-G check mode, during nanoe-G operation ON: If there is abnormal discharge, nanoe-G indicator blinks immediately. • Error detection control When nanoe-G indicator blinks, it indicates error listed below: nanoe-G connector at main PCB open Judgment method •...

  • Page 64: In-Filter Deactivation Operation

    nanoe-G breakdown error Judgment method • Hi-feedback voltage (at microcontroller) supplied to the nanoe-G system when nanoe-G operation is OFF; nanoe-G breakdown error show immediately. • It is due to indoor PCB or nanoe-G high voltage power supply damage. • Operations except nanoe-G continue.

  • Page 65: Auto Comfort And Econavi Operation

    13.15 AUTO COMFORT and ECONAVI Operation • AUTO COMFORT start condition: When AUTO COMFORT button is pressed. • AUTO COMFORT stop conditions: When AUTO COMFORT button is pressed again. When unit is OFF by OFF/ON button. When unit is OFF when OFF TIMER activates. When unit is OFF by AUTO OFF/ON button at indoor unit.
  • Page 66 13.15.1.1 Signal Detection • Human Activity sensor will turns on according to infrared sensors signal detection. Signal detection Possible detected human Human Activity Indicator position area Sensor 1 Sensor 2 Left Center Right ■ ■ □ □ ■ ■ ■ □...
  • Page 67 13.15.1.7 Setting Position Judgment • According to installation position when there is only one activity area detected, the horizontal airflow direction louver position is fixed according to chart below: Horizontal airflow direction louver position Target area Left installation Center installation Right installation •...
  • Page 68 13.15.1.9 ECONAVI Demo Mode • To enable ECO DEMO mode, during unit is OFF (power standby): • To disable ECO Demo MODE: Transmit ECO Demo signal again. • Operation details Infrared sensor Human Activity Sensor Vane position Fan speed Sensor 1 Sensor 2 Left Center...
  • Page 69 13.15.1.10 Human Activity Sensor Abnormality • Abnormality detection: Connector disconnection / Wire cut abnormality Sensor judge Hi level continuously for 25 seconds Circuit abnormality 70 seconds after power ON, if human activity sensor judge Lo level continuously for 25 seconds •...
  • Page 70 13.15.2 Sunlight Sensor • During ECONAVI operation, the sunlight sensor detects sunlight intensity coming through windows and differentiates between sunny and cloudy or night to further optimize energy saving by adjusting the temperature. • Sunlight judgment is as following 13.15.2.1 Sunlight intensity reset •...
  • Page 71 13.15.2.3 Judge ambient condition • According to sunlight intensity over a period of time, the system will analyze the ambient condition is sunny, cloudy or night. 13.15.2.4 Temperature Shift • In a room without window or with thick curtain, the sunlight sensor will judge as cloudy/night. 13.15.2.5 Sunlight Sensor Check Mode •...
  • Page 72 13.15.2.6 Sunlight Sensor Abnormality • Abnormality detection: When ECONAVI is ON, if the sunlight intensity value below minimum level continuously for 24 hours, the sunlight sensor disconnection error counter will increase by 1 time. If the ECONAVI is OFF, the 24 hours timer will be reset, but the sunlight sensor disconnection error counter will not be reset.

  • Page 73: Protection Control

    14. Protection Control 14.1 Restart Control (Time Delay Safety Control) • When the thermo-off temperature (temperature which compressor stops to operate) is reach during:- Cooling operation – the compressor stops for 3 minutes (minimum) before resume operation. Soft Dry operation – the compressor stops for 6 minutes (minimum) before resume operation. •...

  • Page 74: Freeze Prevention Control

    14.5 Freeze Prevention Control • To protect indoor heat exchanger from freezing and to prevent higher volume of refrigerant in liquid form return to compressor. • This control will activate when temperature of indoor heat exchanger falls below 2°C continuously for more than 4 minutes and compressor turn off.

  • Page 75: Dew Prevention Control

    14.7 Dew Prevention Control • To prevent dew formation at indoor unit discharge area. • This control starts if: Cooling mode or Quiet mode is activated. Remote Control setting temperature is less than 25°C. Fan speed is at CLo or QLo. Room temperature is constant (±1°C) for 30 minutes.

  • Page 76: Servicing Mode

    15. Servicing Mode 15.1 Auto OFF/ON Button Auto OFF/ON Auto OFF/ON Auto OFF/ON Button Pressed Button Pressed Button Pressed 5 sec 5 sec Auto Operation Test Run Operation Stop Various Setting Mode Stop (Forced Cooling Operation) “Beep” 2 x “Beep” AUTO OPERATION MODE The Auto Operation will be activated immediately once the Auto OFF/ON button is pressed.

  • Page 77: Remote Control Button

    15.2 Remote Control Button 15.2.1 SET Button • To check current remote control transmission code and store the transmission code to EEPROM: Press “Set” button continuously 10 seconds by using pointer. Press “Timer Set” button until a “beep” sound is heard as confirmation of transmission code change. 15.2.2 RESET •...

  • Page 78: Troubleshooting Guide

    16. Troubleshooting Guide 16.1 Refrigeration cycle system In order to diagnose malfunctions, ensure the air conditioner is free Normal Pressure and Outlet Air Temperature (Standard) from electrical problems before inspecting the refrigeration cycle. Gas Pressure Outlet air Temperature Such problems include insufficient insulation, problem with the (kg/cm (°C) power source, malfunction of a compressor and a fan.

  • Page 79: Diagnosis Methods Of A Malfunction Of A Compressor

    16.1.1 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Condition of the air conditioner Low Pressure High Pressure Electric current during operation Insufficient refrigerant (gas leakage) Clogged capillary tube or strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression...

  • Page 80: Disassembly And Assembly Instructions

    High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 17.1 CS-C9PKV CS-C12PKV 17.1.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 17.1.1.1...
  • Page 81 Figure 3 Figure 4 17.1.1.3 To remove discharge grille Figure 5...
  • Page 82 17.1.1.4 To remove control board Figure 6 17.1.1.5 To remove cross flow fan and indoor fan motor Figure 7 Figure 8...
  • Page 83 Figure 9 Figure 10...

  • Page 84: Cs-C18Pkv Cs-C24Pkv Cs-C28Pkv

    WARNING High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 17.2 CS-C18PKV CS-C24PKV CS-C28PKV 17.2.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 17.2.1.1...
  • Page 85 17.2.1.3 To remove electronic controller Figure 13 Figure 14 Figure 15 17.2.1.4 To remove discharge grille Figure 16...
  • Page 86 17.2.1.5 To remove control board Figure 17 17.2.1.6 To remove cross flow fan and indoor fan motor Figure 18 Figure 19...
  • Page 87 Figure 20 Figure 21...

  • Page 88: Technical Data

    18. Technical Data 18.1 Thermostat Characteristics Cooling Soft Dry...

  • Page 89: Operation Characteristics

    18.2 Operation Characteristics 18.2.1 CS-C9PKV CU-C9PKV • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 7.5m...
  • Page 90 • Piping Length Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Outdoor temperature: 35°C (DBT), 24°C (WBT) Piping length: 7.5m...
  • Page 91 18.2.2 CS-C12PKV CU-C12PKV • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 7.5m...
  • Page 92 • Piping Length Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Outdoor temperature: 35°C (DBT), 24°C (WBT) Piping length: 7.5m...
  • Page 93 18.2.3 CS-C18PKV CU-C18PKV • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length:...
  • Page 94 • Piping Length Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Outdoor temperature: 35°C (DBT), 24°C (WBT) Piping length:...
  • Page 95 18.2.4 CS-C24PKV CU-C24PKV • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length:...
  • Page 96 • Piping Length Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Outdoor temperature: 35°C (DBT), 24°C (WBT) Piping length:...
  • Page 97 18.2.5 CS-C28PKV CU-C28PKV • Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length:...
  • Page 98 • Piping Length Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Outdoor temperature: 35°C (DBT), 24°C (WBT) Piping length:...

  • Page 99: Exploded View And Replacement Parts List

    19. Exploded View and Replacement Parts List 19.1 Indoor Unit 19.1.1 CS-C9PKV CS-C12PKV 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.
  • Page 100 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-C9PKV CS-C12PKV REMARK CHASSIS COMPLETE CWD50C1653 ← FAN MOTOR CWA921443 ← CROSS - FLOW FAN COMPLETE CWH02C1149 ← BEARING ASS'Y CWH64K007 ← SCREW - CROSS-FLOW FAN CWH551146 ← GENERATOR COMPLETE CWH94C0043 ←...
  • Page 101 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-C9PKV CS-C12PKV REMARK CWG861497 ← SHOCK ABSORBER (L) CWG713386 ← SHOCK ABSORBER (R) CWG713387 ← C.C.CASE CWG569054 CWG569055 (Note) • All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in stock.
  • Page 102 19.1.2 CS-C18PKV CS-C24PKV CS-C28PKV 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.
  • Page 103 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-C18PKV CS-C24PKV CS-C28PKV REMARK CHASSIS COMPLETE CWD50C1654 ← ← FAN MOTOR ARW7671AC ARW7627AC ← CROSS FLOW FAN COMPLETE CWH02C1150 ← ← BEARING ASS'Y CWH64K007 ← ← SCREW - CROSS FLOW FAN CWH551146 ←...
  • Page 104 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-C18PKV CS-C24PKV CS-C28PKV REMARK POWER SUPPLY CORD - CO. CWA20C2851 CWA20C2853 CWG861498 ← ← SHOCK ABSORBER (L) CWG713402 ← ← SHOCK ABSORBER (R) CWG713403 ← ← C.C.CASE CWG569056 CWG569057 CWG569058 (Note) • All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).

  • Page 105: Outdoor Unit

    19.2 Outdoor Unit 19.2.1 CU-C9PKV 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.
  • Page 106 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-C9PKV REMARK CHASSIS ASS’Y CWD50K2107 SOUND PROOF MATERIAL CWG302254 FAN MOTOR BRACKET CWD541075 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951562 SCREW - FAN MOTOR MOUNT CWH55406J PROPELLER FAN ASS’Y CWH03K1020 NUT - PROPELLER FAN CWH56053J COMPRESSOR...
  • Page 107 19.2.2 CU-C12PKV 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.
  • Page 108 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-C12PKV REMARK CHASSIS ASS’Y CWD50K2071 SOUND PROOF MATERIAL CWG302126 FAN MOTOR BRACKET CWD541030 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951329J SCREW - FAN MOTOR MOUNT CWH55406J PROPELLER FAN ASS’Y CWH03K1010 NUT - PROPELLER FAN CWH56053J COMPRESSOR...
  • Page 109 19.2.3 CU-C18PKV 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.
  • Page 110 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-C18PKV REMARK CHASSIS ASS’Y CWD52K1265 SOUND PROOF MATERIAL CWG302406 FAN MOTOR BRACKET CWD541154 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951707 SCREW - FAN MOTOR MOUNT CWH55252J PROPELLER FAN ASS’Y CWH03K1017 NUT - PROPELLER FAN CWH561092 COMPRESSOR...
  • Page 111 19.2.4 CU-C24PKV 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.
  • Page 112 19.2.5 CU-C28PKV 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.
  • Page 113 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-C24PKV CU-C28PKV REMARK CHASSIS ASS’Y CWD50K2100 ← SOUND PROOF MATERIAL CWG302278 CWG302244 FAN MOTOR BRACKET CWD541065 CWD541055 SCREW - FAN MOTOR BRACKET CWH551217 ← FAN MOTOR CWA951708 CWA951357J SCREW - FAN MOTOR MOUNT CWH55252J ←...
  • Page 114 Printed in Malaysia SZ0313-0...

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