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Panasonic CS-PC30EKF Service Manual

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Table of Contents

TABLE OF CONTENTS

1 Safety Precautions----------------------------------------------- 3
2 Specifications ----------------------------------------------------- 5
2.1. CS-PC30EKF CU-PC30EKF -------------------------- 5
2.2. CS-PC36EKF CU-PC36EKF -------------------------- 7
3 Features ------------------------------------------------------------- 9
4.1. Indoor Unit--------------------------------------------------10
4.2. Outdoor Unit -----------------------------------------------10
4.3. Remote Control -------------------------------------------10
5 Dimensions--------------------------------------------------------11
5.1. Indoor Unit & Remote Control ------------------------- 11
5.2. Outdoor Unit -----------------------------------------------12
6 Refrigeration Cycle Diagram --------------------------------14
6.1. CS-PC30EKF CU-PC30EKF -------------------------14
CS-PC30EKF CU-PC30EKF
CS-PC36EKF CU-PC36EKF
PAGE
6.2. CS-PC36EKF CU-PC36EKF ------------------------- 15
7 Block Diagram --------------------------------------------------- 16
8 Wiring Connection Diagram--------------------------------- 17
8.1. CS-PC30EKF CU-PC30EKF ------------------------- 17
8.2. CS-PC36EKF CU-PC36EKF ------------------------- 18
9 Printed Circuit Board ------------------------------------------ 19
9.1. Indoor Unit ------------------------------------------------- 19
9.2. Outdoor Unit----------------------------------------------- 20
9.3. Indicator ---------------------------------------------------- 21
10 Installation Instruction ---------------------------------------- 22
10.1. Select The Best Location ------------------------------ 22
10.3. Indoor Unit ------------------------------------------------- 23
10.4. Outdoor Unit----------------------------------------------- 27
© 2006 Panasonic HA Air-Conditioning (M) Sdn Bhd
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0602007C3
Air Conditioner
PAGE

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  Summary of Contents for Panasonic CS-PC30EKF

  • Page 1: Table Of Contents

    10.2. Indoor/Outdoor Unit Installation Diagram ---------- 22 6 Refrigeration Cycle Diagram --------------------------------14 10.3. Indoor Unit ------------------------------------------------- 23 6.1. CS-PC30EKF CU-PC30EKF -------------------------14 10.4. Outdoor Unit----------------------------------------------- 27 © 2006 Panasonic HA Air-Conditioning (M) Sdn Bhd (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 11 Operation And Control ---------------------------------------- 30 11.1. Cooling Operation---------------------------------------- 30 11.2. Soft Dry Operation --------------------------------------- 30 11.3. Auto Operation-------------------------------------------- 30 11.4. Fan Operation--------------------------------------------- 30 11.5. Operation Control ---------------------------------------- 31 11.6. Outdoor Fan Control------------------------------------- 34 11.7. Test Run (Forced Cooling mode) -------------------- 34 11.8.
  • 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 Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture. Pb free solder has a higher melting point than standard solder; typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use a high temperature soldering iron.
  • Page 5: Specifications

    2 Specifications 2.1. CS-PC30EKF CU-PC30EKF Unit Indoor unit Outdoor unit Power Source (Phase, Voltage, Cycle) ø, V, Hz Single, 220 - 240, 50 Cooling Capacity kW (BTU/h) 8.79 (30,000) Moisture Removal l/h (Pint/h) 5.2 (11.0) Performance Test Condition SIDE VIEW...
  • Page 6 Unit Indoor unit Outdoor unit Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium (Pre Coat) Aluminium (Blue Coat) Fin Type Slit Fin Louver Fin Row / Stage (Plate fin configuration, forced draft) 2 x 14 2 x 30 44 ×...
  • Page 7: Cs-Pc36Ekf Cu-Pc36Ekf

    2.2. CS-PC36EKF CU-PC36EKF Unit Indoor unit Outdoor unit Power Source (Phase, Voltage, Cycle) ø, V, Hz Single, 220 - 240, 50 Cooling Capacity kW (BTU/h) 10.55 (36,000) Moisture Removal l/h (Pint/h) 6.4 (3.5) Performance Test Condition SIDE VIEW Airflow Method OUTLET SIDE VIEW INTAKE...
  • Page 8 Unit Indoor unit Outdoor unit Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium (Pre Coat) Aluminium (Blue Coat) Fin Type Slit Fin Louver Fin Row / Stage (Plate fin configuration, forced draft) 2 x 14 2 x 54 44 ×...
  • Page 9: Features

    3 Features • High efficiency • Compact design • Wider range of horizontal discharge air • Air Filter with function to reduce dust and smoke • Automatic air swing and manual adjusted by Remote Control for vertical airflow • Long Installation Piping - CS/CU-PC30EK, CS/CU-PC36EKF, long piping up to 30 meter.
  • Page 10: Location Of Controls And Components

    4 Location of Controls and Components 4.1. Indoor Unit 4.2. Outdoor Unit • Outdoor unit shown is CU-PC36EK. 4.3. Remote Control...
  • Page 11: Dimensions

    5 Dimensions 5.1. Indoor Unit & Remote Control 5.1.1. CS-PC30EKF CU-PC36EKF...
  • Page 12: Outdoor Unit

    5.2. Outdoor Unit 5.2.1. CU-PC30EKF...
  • Page 13 5.2.2. CU-PC36EKF...
  • Page 14: Refrigeration Cycle Diagram

    6 Refrigeration Cycle Diagram 6.1. CS-PC30EKF CU-PC30EKF...
  • Page 15: Cs-Pc36Ekf Cu-Pc36Ekf

    6.2. CS-PC36EKF CU-PC36EKF...
  • Page 16: Block Diagram

    7 Block Diagram...
  • Page 17: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. CS-PC30EKF CU-PC30EKF...
  • Page 18: Cs-Pc36Ekf Cu-Pc36Ekf

    8.2. CS-PC36EKF CU-PC36EKF...
  • Page 19: Printed Circuit Board

    9 Printed Circuit Board 9.1. Indoor Unit...
  • Page 20: Outdoor Unit

    9.2. Outdoor Unit...
  • Page 21: Indicator

    9.3. Indicator...
  • Page 22: Installation Instruction

    10 Installation Instruction 10.1. Select The Best Location 10.2. Indoor/Outdoor Unit INDOOR UNIT Installation Diagram • There should not be any heat source or steam near the unit. • There should not be any obstacles blocking the air circulation. • A place where air circulation in the room is good. •...
  • Page 23: Indoor Unit

    10.3. Indoor Unit 10.3.1. HOW TO FIX INSTALLATION PLATE 10.3.2. TO DRILL A HOLE IN THE WALL The mounting wall is strong and solid enough to prevent it from INSTALL SLEEVE the vibration. PIPING 1. Insert the piping sleeve to the hole. 2.
  • Page 24 3. For the embedded piping 3. Set the piping direction. (For bottom piping, need to perform cutting and flaring process.) 4. Use 2 spanner to tighten the nut. (tighten torque 65 N ● Install accessory of tube ass’y 5. Check gas leak at joint area using tube connector 1.
  • Page 25 (This can be used for left rear piping and left bottom piping also.)
  • Page 26 10.3.4. CONNECT THE CABLE TO THE INDOOR UNIT 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 2.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
  • Page 27: Outdoor Unit

    10.4. Outdoor Unit 10.4.1. INSTALL THE OUTDOOR UNIT • After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. 1. If installing the unit to a concrete base or other solid base, use M10 or W3/8 bolts and nuts to secure the unit, and ensure that the unit is fully upright and level.
  • Page 28 CUTTING AND FLARING THE PIPING 1. Please cut using pipe cutter and then remove the burrs. 2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3.
  • Page 29 10.4.4. CONNECT THE CABLE TO THE OUTDOOR UNIT (FOR DETAIL REFER TO WIRING DIAGRAM AT 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 4 x 2.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
  • Page 30: Operation And Control

    11 Operation And Control 11.1. 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. • Cooling Operation Time Diagram. 11.2.
  • Page 31: Operation Control

    11.5. Operation Control 11.5.1. Thermostat Control • Depending on differences between room temperature and setting temperature, compressor operation is decided and starts operation. • If temperature difference matches values shown below, thermostat switches off. Cooling 0°C Soft Dry -1.0°C 11.5.2. Indoor Fan Control •...
  • Page 32 11.5.5. Dew Form Prevention Control • During Cooling Operation, dew form prevention control activates if: • Indoor temperature falls between 24ºC and 30ºC. • Compressor and thermostat is ON. • Indoor fan speed is Low speed. • Setting temperature is less than 25ºC. •...
  • Page 33 11.5.6. Vertical Airflow Direction Control 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 34: Outdoor Fan Control

    11.6. Outdoor Fan Control • Outdoor fan speed changes according to outdoor pipe temperature. •The fan speed is controlled by the timing of turning the outdoor fan ON and OFF within an interval. •There unit compares current temperature (T2) with previous (2 seconds before) temperature (T1) and decides the outdoor fan ON time (X).
  • Page 35: Pump Down

    11.8. Pump down • To enable pump down operation, at outdoor PCB, set the DS1 to OFF position. • Press Test Run button for 1 second. • During Pump Down operation, push the Test Run button again for 1 second to stop the pump down operation. •...
  • Page 36: Servicing Mode

    12 Servicing Mode 12.1. Auto OFF/ON Button • The “Auto OFF/ON Button” (behind the front grille) is used to operate the air conditioner if remote control is misplaced or malfunctioning. • Forced cooling operation is possible by pressing the “Auto OFF/ON Button” for more than 5s where “beep” sound is heard then release the button.
  • Page 37: Test Mode Timer Table

    12.2.2. CLOCK • To change the remote control’s clock-hour and minute. - Press once to enter the clock setting mode. - Use timer increment button timer decrement button to change the time. - Press once again to exit the setting mode. •...
  • Page 38: Troubleshooting Guide

    13 Troubleshooting Guide 13.1. 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 on the right.
  • Page 39: Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current

    13.2. Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current Cooling Mode Condition of the air conditoner 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 40: Error Code Table

    13.4. Error Code Table 13.4.1. Self-diagnosis function 1. The self-diagnosis LEDs (red) on the outdoor unit printed circuit board can be used to indicate where the location of a problem Refer to the table below to remove the cause of the problem and then re-start the air conditioner system. 2.
  • Page 41 13.4.2. About the test operation • Test operation can be carried out using the remote control unit or by using the switch on the printed circuit board inside the outdoor unit. • If carrying out test operation at the printed circuit board of the outdoor unit, follow the procedure given below. (If using the remote control unit to carry out test operation, refer to the installation manual which is supplied with the indoor unit.) •...
  • Page 42: Disassembly And Assembly Instructions

    14 Disassembly and Assembly Instructions High voltages are 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. 14.1. Indoor Electronic Controllers Removal Procedures •...
  • Page 43 • Release the taps on the top, on the left and on the right side of Control Board Front Cover. (Fig. 3) • Then remove the Control Board Front Cover. (Fig. 3) • How to remove PCBs from the control board. - Remove the Indicator Complete.
  • Page 44 • Pull down the Discharge Grille Complete. (Fig. 7) • Remove the earth wire from the evaporator. (Fig. 8) • Remove 2 screws on the left and right side of the control board. (Fig. 8) • Then pull out the control board from the unit. (Fig.8)
  • Page 45 • Remove the cross flow fan bushing from the chassis. (Fig. 9) • Remove the screws on the left side of evaporator. (Fig. 9) • Loosen the fan boss screw at the cross flow fan. (Fig. 9) • Push up the evaporator and remove cross flow fan by pulling both cross flow fan and fan motor. (Fig. 10)
  • Page 46: Technical Data

    15 Technical Data 15.1. Thermostat Characteristics Cooling Soft Dry...
  • Page 47: Operation Characteristics

    15.2. Operation Characteristics 15.2.1. CS-PC30EKF CU-PC30EKF...
  • Page 49 15.2.2. CS-PC36EKF CU-PC36EKF...
  • Page 51: Discharge And Suction Pressure

    15.3. Discharge and Suction Pressure 15.3.1. CS-PC30EKF CU-PC30EKF Power source : 240V, 50Hz, 1 phase 15.3.2. CS-PC36EKF CU-PC36EKF Power source : 240V, 50Hz, 1 phase...
  • Page 52: Fan Performance

    15.4. Fan Performance 15.4.1. CS-PC30EKF CU-PC30EKF 15.4.2. CS-PC36EKF CU-PC36EKF...
  • Page 53: Sound Data

    15.5. Sound Data 15.5.1. CS-PC30EKF CU-PC30EKF 15.5.2. CS-PC36EKF CU-PC36EKF...
  • Page 54: Cooling Capacity Performance Data

    15.6. Cooling Capacity Performance Data 15.6.1. CS-PC30EKF CU-PC30EKF Power source : 240V, 50Hz, 1 phase...
  • Page 55 15.6.2. CS-PC36EKF CU-PC36EKF Power source : 240V, 50Hz, 1 phase...
  • Page 56: Exploded View And Replacement Parts List

    16 Exploded View and Replacement Parts List 16.1. 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.
  • Page 57 <Model: CS-PC30EKF CS-PC36EKF> REF. NO. PART NAME & DESCRIPTION QTY. CS-PC30EKF CS-PC36EKF REMARKS ← CHASSY COMPLETE CWD50C1477 ← FAN MOTOR DC 60W 3PH ARW42A8P60AC ← CROSS FLOW FAN COMPLETE CWH02C1044 ← SCREW - CROSS FLOW FAN CWH551146 ← BEARING ASS’Y CWH64K007 ←...
  • Page 58: Outdoor Unit

    16.2. Outdoor Unit 16.2.1. CU-PC30EKF...
  • Page 59 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 60 <Model: CU-PC30EKF> REF. NO. PART NAME & DESCRIPTION QTY. CU-PC30EKF REMARKS BASE PAN ASS’Y CWD52K1102 COMPRESSOR 2JD514D5AA03 ANTI - VIBRATION BUSHING CWH50055 NUT FOR COMP. MOUNT. CWH561049 PACKING CWB811017 CONDENSER COMPLETE CWB32C1778 OIL SEPARATER CWB16000 TUBE ASS’Y (EXP. VALVE STRAINER) CWT01C3691 TUBE ASS’Y (CAPILLARY TUBE) CWT024153...
  • Page 61 16.2.2. CU-PC36EKF...
  • Page 63 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 64 <Model: CU-PC36EKF> REF. NO. PART NAME & DESCRIPTION QTY. CU-PC36EKF REMARKS BASE PAN ASS’Y CWD52K1157 COMPRESSOR ZR47K3PFJ512 ANTI - VIBRATION BUSHING CWH501020 PACKING CWB811017 NUT FOR COMP. MOUNT. CWH561049 CONDENSER COMPLETE B32C1773 TUBE ASS’Y (EXP. VALVE + STRAINER) CWT01C3770 3-WAYS VALVE (GAS) CWB011295 STRAINER CWB11061...

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