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Panasonic CS-PC12KKF-2 Service Manual
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Panasonic CS-PC12KKF-2 Service Manual

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TABLE OF CONTENTS

1 Safety Precautions----------------------------------------------- 3
2 Specifications ----------------------------------------------------- 5
3 Features ------------------------------------------------------------- 9
Indoor Unit
CS-PC12KKF-2 CU-PC12KKF-2
CS-PC18KKF-2 CU-PC18KKF-2
CS-PC24KKF-2 CU-PC24KKF-2
PAGE
4.1. Indoor Unit ------------------------------------------------- 10
4.2. Outdoor Unit----------------------------------------------- 10
© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2010.
Unauthorized copying and distr bution is a violation of law.
Order No. PHAAM1003129C3
Air Conditioner
Outdoor Unit
PAGE

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Summary of Contents for Panasonic CS-PC12KKF-2

  • Page 1: Table Of Contents

    4 Location of Controls and Components------------------ 10 2 Specifications ----------------------------------------------------- 5 4.1. Indoor Unit ------------------------------------------------- 10 3 Features ------------------------------------------------------------- 9 4.2. Outdoor Unit----------------------------------------------- 10 © Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2010. Unauthorized copying and distr bution is a violation of law.
  • Page 2 6 Refrigeration Cycle Diagram -------------------------------- 15 7 Block Diagram --------------------------------------------------- 16 7.1. CS-PC12KKF-2------------------------------------------- 16 7.2. CS-PC18KKF-2 CS-PC24KKF-2 -------------------- 17 8 Wiring Connection Diagram --------------------------------- 18 8.1. CS-PC12KKF-2 CU-PC12KKF-2-------------------- 18 8.2. CS-PC18KKF-2 CU-PC18KKF-2-------------------- 19 8.3. CS-PC24KKF-2 CU-PC24KKF-2-------------------- 20 9 Electronic Circuit Diagram----------------------------------- 21 9.1. CS-PC12KKF-2------------------------------------------- 21 9.2.

  • 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 21. Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when refrigerant contacts with fire. 22. Do not insert your fingers or other objects into the unit, high speed rotating fan may cause injury. 23. Must not use other parts except original parts described in catalog and manual. 1.

  • Page 5: Specifications

    2 Specifications Indoor CS-PC12KKF-2 Model Outdoor CU-PC12KKF-2 Performance Test Condition NEW JIS Phase, Hz Single, 50 Power Supply 3.32 3.36 Capacity BTU/h 11300 11500 kJ/h 11950 12100 Running Current Input Power 1.24k 1.29k 2.68 2.60 BTU/hW 9.11 8.91 Power Factor dB-A High: 40;...
  • Page 6 Indoor CS-PC12KKF-2 Model Outdoor CU-PC12KKF-2 Height (I/D / O/D) mm (inch) 290 (11-7/16) 540 (21-9/32) Dimension Width (I/D / O/D) mm (inch) 870 (34-9/32) 780 (30-23/32) Depth (I/D / O/D) mm (inch) 204 (8-1/16) 289 (11-13/32) Weight Net (I/D / O/D)
  • Page 7 Indoor CS-PC18KKF-2 CS-PC24KKF-2 Model Outdoor CU-PC18KKF-2 CU-PC24KKF-2 Performance Test Condition NEW JIS NEW JIS Phase, Hz Single, 50 Single, 50 Power Supply 5.10 5.10 6.68 6.68 Capacity BTU/h 17400 17400 22800 22800 kJ/h 18360 18360 24050 24050 Running Current 11.7 11.6 Input Power 1.97k...
  • Page 8 Indoor CS-PC18KKF-2 CS-PC24KKF-2 Model Outdoor CU-PC18KKF-2 CU-PC24KKF-2 Height (I/D / O/D) mm (inch) 290 (11-7/16) 540 (21-9/32) 290 (11-7/16) 750 (29-17/32) Dimension Width (I/D / O/D) mm (inch) 1070 (42-5/32) 780 (30-23/32) 1070 (42-5/32) 875 (34-15/32) Depth (I/D / O/D) mm (inch) 235 (9-9/32) 289 (11-13/32)

  • Page 9: Features

    3 Features • Long Installation Piping - Long piping up to 15 meter (PC12KKF-2) and 25 meter (PC18/24KKF-2). • Easy to use remote control • Quality Improvement - Random auto restart after power failure for safety restart operation - Gas leakage protection - Prevent compressor reverse cycle - Overload protector to protect Compressor - Noise prevention during soft dry operation...

  • Page 10: Location Of Controls And Components

    4 Location of Controls and Components 4.1. Indoor Unit 4.2. Outdoor Unit 4.3. Remote Control...

  • Page 11: Dimensions

    5 Dimensions 5.1. Indoor Unit 5.1.1. CS-PC12KKF-2...
  • Page 12 5.1.2. CS-PC18KKF-2 CS-PC24KKF-2...

  • Page 13: Outdoor Unit

    5.2. Outdoor Unit 5.2.1. CU-PC12KKF-2 CU-PC18KKF-2...
  • Page 14 5.2.2. CU-PC24KKF-2...

  • Page 15: Refrigeration Cycle Diagram

    6 Refrigeration Cycle Diagram...

  • Page 16: Block Diagram

    7 Block Diagram 7.1. CS-PC12KKF-2...

  • Page 17: Cs-Pc18Kkf-2 Cs-Pc24Kkf-2

    7.2. CS-PC18KKF-2 CS-PC24KKF-2...

  • Page 18: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. CS-PC12KKF-2 CU-PC12KKF-2 Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-PC12KKF-2 MODEL CU-PC12KKF-2 CONNECTION CWA951676 CONNECTION 2KS210D5AA06 BLUE-YELLOW C - R 2.279 YELLOW-RED C - S 3.526 Note: Resistance at 25 C of ambient temperature.

  • Page 19: Cs-Pc18Kkf-2 Cu-Pc18Kkf-2

    8.2. CS-PC18KKF-2 CU-PC18KKF-2 Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-PC18KKF-2 MODEL CU-PC18KKF-2 CONNECTION CWA951676 CONNECTION 2KS324D5AA06 BLUE-YELLOW C - R 1.419 YELLOW-RED C - S 3.781 Note: Resistance at 25 C of ambient temperature. Note: Resistance at 20 C of ambient temperature.

  • Page 20: Cs-Pc24Kkf-2 Cu-Pc24Kkf-2

    8.3. CS-PC24KKF-2 CU-PC24KKF-2 Resistance of Outdoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-PC24KKF-2 MODEL CU-PC24KKF-2 CONNECTION CWA951689 CONNECTION 2JS438D3CB04 BLUE-YELLOW C - R 1.121 YELLOW-ORANGE C - S 2.535 YELLOW-RED Note: Resistance at 20 C of ambient temperature. Note: Resistance at 25 C of ambient temperature.

  • Page 21: Electronic Circuit Diagram

    9 Electronic Circuit Diagram 9.1. CS-PC12KKF-2...

  • Page 22: Cs-Pc18Kkf-2 Cs-Pc24Kkf-2

    9.2. CS-PC18KKF-2 CS-PC24KKF-2...

  • Page 23: Printed Circuit Board

    10 Printed Circuit Board 10.1. Indoor Unit 10.1.1. Main Printed Circuit Board...
  • Page 24 10.1.2. Power Printed Circuit Board 10.1.2.1. CS-PC12KKF-2 10.1.2.2. CS-PC18KKF-2 CS-PC24KKF-2...

  • Page 25: Indicator Printed Circuit Board

    10.2. Indicator Printed Circuit Board...

  • Page 26: Installation Instruction

    11 Installation Instruction 11.1. Select The Best Location 11.1.1. Indoor Unit 11.1.3. Indoor/Outdoor Unit Installation • Do not install the unit in excessive oil fume area such as Diagram kitchen, workshop and etc. • There should not be any heat source or steam near the unit. •...
  • Page 28 1. For the right rear piping 2. For the right and right bottom piping 3. For the embedded piping (This can be used for left rear piping and bottom piping also.)
  • Page 29 11.2.4. Connect The Cable To The Indoor Unit The power supply cable and indoor unit and outdoor unit connecting cable can be connected without removing the front grille. 1 Install the indoor unit on the installing holder that mounted on the wall, 2 Open the front panel and grille door by loosening the screw.
  • Page 30 9 Close grille door by tighten with screw and close the front panel. This equipment must be properly earthed. Note: • Isolating Devices (Disconnecting means) should have minimum 3.0 mm contact gap. • Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor’s respectively. •...

  • Page 31: 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. 1. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2. When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails.
  • Page 32 1. 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. 2.
  • Page 33 11.3.5. Connect The Cable To The Outdoor Unit 1. Remove the control board cover from the unit by loosening the screw. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 1.5 mm (3/4 ~ 1.5HP), 3 2.5 mm (2.0 ~ 2.5HP) flexible cord, type designation 245 IEC 57 or heavier cord.

  • Page 34: Operation And Control

    12 Operation and Control 12.1. Cooling Operation • Cooling operation can be set using remote control. • This operation is applied to cool down the 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 16 C to 30 C.

  • Page 35: Soft Dry Operation

    12.1.2. Cooling Operation Time Diagram (For PC18KKF-2, PC24KKF-2) 12.2. 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 -1.5 C from the setting temperature on the remote control. •...
  • Page 36 12.2.1. Soft Dry Operation Time Diagram (For PC12KKF-2) 12.2.2. Soft Dry Operation Time Diagram (For PC18KKF-2, PC24KKF-2)

  • Page 37: Automatic Operation

    12.3. 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 38: Indoor Fan Speed Control

    12.4. Indoor Fan Speed Control • Indoor Fan Speed can be set using remote control. 12.4.1. Fan Speed Rotation Chart Speed Fan Speed (rpm) CS-PC12KKF-2 CS-PC18KKF-2 CS-PC24KKF-2 1110 1240 1390 1150 1240 H Lo 1130 1210 C Lo 1060 1150 S Lo 12.4.2.

  • Page 39: Outdoor Fan Speed Control

    • Auto Fan Speed during Soft Dry operation: 1. Indoor fan will rotate alternately between off and Lo-. 2. At the beginning of each compressor start operation, indoor fan will increase fan speed gradually for deodorizing purpose. 3. When compressor at turn off condition for 6 minutes, indoor fan will start fan speed at Lo- to circulate the air in the room. This is to obtain the actual reading of intake air temperature.

  • Page 40: Vertical Airflow Direction Control

    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 stop operation using the remote control, the discharge vent is reset, and stop at the closing position. •...

  • Page 41: Random Auto Restart Control

    12.9. 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 previous operation mode and airflow direction. •...

  • Page 42: Protection Control

    13 Protection Control 13.1. Restart Control (Time Delay Safety Control) • When the thermo-off temperature (temperature which compressor stops to operate) is reached 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 43: Compressor Reverse Rotation Protection Control

    • (For PC12KKF only) The current fan speed will change to freeze prevention speed after 70 seconds compressor on. The fan speed will be increased according to the indoor pipe temperature the figure below. 13.6. Compressor Reverse Rotation Protection Control •...

  • Page 44: Servicing Mode

    14 Servicing Mode 14.1. Auto OFF/ON Button 1. AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunctioned. 2.

  • Page 45: Remote Control Button

    14.2. Remote Control Button 14.2.1. SET BUTTON • To check remote control transmission code and store the transmission code to EEPROM. - Press “SET” button for more than 10 seconds by using pointer. - Press “TIMER SET” button until a “beep” sound is heard as confirmation of transmission code change. 14.2.2.

  • Page 46: Troubleshooting Guide

    15 Troubleshooting Guide 15.1. Refrigeration cycle system In order to diagnose malfunctions, ensure the air conditioner is free from 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.
  • Page 47 15.1.1. 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 48: 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. 16.1. CS-PC12KKF-2 16.1.1. Indoor Electronic Controllers and Control Board Removal Procedures 16.1.1.1.
  • Page 49 16.1.1.3. To remove Discharge Grille...
  • Page 50 16.1.1.4. To remove Control Board 16.1.1.5. To remove Cross Flow Fan and Indoor Fan Motor...

  • Page 52: Cs-Pc18Kkf-2 Cs-Pc24Kkf-2

    16.2. CS-PC18KKF-2 CS-PC24KKF-2 16.2.1. Indoor Electronic Controllers and Control Board Removal Procedures 16.2.1.1. To remove Front Grille 16.2.1.2. To remove Power Electronic Controller...
  • Page 53 16.2.1.3. To remove Discharge Grille...
  • Page 54 16.2.1.4. To remove Control Board 16.2.1.5. To remove Cross Flow Fan and Indoor Fan Motor...

  • Page 56: Technical Data

    17 Technical Data 17.1. Thermostat Characteristics Cooling Soft Dry...

  • Page 57: Operation Characteristics

    17.2. Operation Characteristics 17.2.1. CS-PC12KKF-2 CU-PC12KKF-2...
  • Page 59 17.2.2. CS-PC18KKF-2 CU-PC18KKF-2...
  • Page 61 17.2.3. CS-PC24KKF-2 CU-PC24KKF-2...

  • Page 63: Fan Performance

    17.3. Fan Performance 17.4. Cooling Capacity Performance Data CS/CU-PC12KKF-2 (220V)
  • Page 64 CS/CU-PC12KKF-2 (240V) CS/CU-PC18KKF-2 (220V)
  • Page 65 CS/CU-PC18KKF-2 (240V)
  • Page 66 CS/CU-PC24KKF-2 (220V)
  • Page 67 CS/CU-PC24KKF-2 (240V)

  • Page 68: Sound Data

    17.5. Sound Data CS-PC18KKF-2...
  • Page 69 CS-PC24KKF-2...

  • Page 70: Exploded View And Replacement Parts List

    18 Exploded View and Replacement Parts List 18.1. Indoor Unit 18.1.1. CS-PC12KKF-2 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 71 REF. NO. PART NAME & DESCRIPTION QTY. CS-PC12KKF-2 REMARK CHASSY COMPLETE CWD50C1653 FAN MOTOR CWA921409 CROSS FLOW FAN COMPLETE CWH02C1076 BEARING ASS’Y CWH64K007 SCREW - CROSS FLOW FAN CWH551146 EVAPORATOR CWB30C2850 FLARE NUT (LIQUID) CWT251026 FLARE NUT (GAS) CWT251062 HOLDER SENSOR...
  • Page 72 18.1.2. CS-PC18KKF-2 CS-PC24KKF-2 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 73 REF. NO. PART NAME & DESCRIPTION QTY. CS-PC18KKF-2 CS-PC24KKF-2 REMARK CHASSY COMPLETE CWD50C1654 FAN MOTOR L6CBYYYL0037 L6CBYYYL0039 CROSS FLOW FAN COMPLETE CWH02C1077 BEARING ASS’Y CWH64K007 SCREW - CROSS FLOW FAN CWH551146 EVAPORATOR CWB30C2772 CWB30C2777 FLARE NUT (LIQUID) CWT251026 FLARE NUT (GAS) CWT251062 CWT251036 HOLDER SENSOR...

  • Page 74: Outdoor Unit

    18.2. Outdoor Unit 18.2.1. CU-PC12KKF-2 CU-PC18KKF-2 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 75 REF. NO. PART NAME & DESCRIPTION QTY. CU-PC12KKF-2 CU-PC18KKF-2 REMARK CHASSY ASS’Y CWD50K2088 SOUND PROOF MATERIAL CWG302110 FAN MOTOR BRACKET CWD541030 CWD541030B SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951676 SCREW - FAN MOTOR MOUNT CWH55406J PROPELLER FAN ASS’Y CWH03K1006 NUT - PROPELLER FAN CWH56053J...
  • Page 76 18.2.2. CU-PC24KKF-2 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 77 REF. NO. PART NAME & DESCRIPTION QTY. CU-PC24KKF-2 REMARK CHASSY ASS’Y CWD50K2100 SOUND PROOF MATERIAL CWG302230 FAN MOTOR BRACKET CWD541065 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951689 SCREW - FAN MOTOR MOUNT CWH55252J PROPELLER FAN ASS’Y CWH03K1017 NUT - PROPELLER FAN CWH561038J COMPRESSOR 2JS438D3CB04...

This manual is also suitable for:

Cs-pc18kkf-2Cs-pc24kkf-2Cu-pc12kkf-2Cu-pc18kkf-2Cu-pc24kkf-2

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