Panasonic CS-C12GKF Service Manual
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Panasonic CS-C12GKF Service Manual

Panasonic CS-C12GKF Service Manual

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TABLE OF CONTENTS

1 Safety Precautions----------------------------------------------- 3
2 Specifications ----------------------------------------------------- 5
2.1. CS-C12GKF CU-C12GKF------------------------------- 5
3 Features ------------------------------------------------------------- 7
4.1. Product Overview------------------------------------------ 8
5 Dimensions--------------------------------------------------------- 9
5.1. Indoor Unit & Remote Control -------------------------- 9
5.2. Outdoor Unit -----------------------------------------------10
6 Refrigeration Cycle Diagram --------------------------------11
7 Block Diagram----------------------------------------------------12
8 Wiring Connection Diagram ---------------------------------13
8.1. CS-C12GK CU-C12GK ---------------------------------13
9 Electronic Circuit Diagram -----------------------------------14
10 Printed Circuit Board-------------------------------------------15
10.1. Indoor Unit--------------------------------------------------15
10.2. Indicator-----------------------------------------------------17
11 Installation Instruction-----------------------------------------18
CS-C12GKF CU-C12GKF
PAGE
11.1. Select The Best Location ------------------------------ 18
11.2. Indoor Unit ------------------------------------------------- 19
11.3. Outdoor Unit----------------------------------------------- 21
12 Operation and Control ---------------------------------------- 24
12.1. Cooling Operation---------------------------------------- 24
12.2. Soft Dry Operation --------------------------------------- 25
12.3. Automatic Operation ------------------------------------ 26
12.4. Operation Control ---------------------------------------- 27
12.5. Indoor Fan Speed Control ----------------------------- 30
12.6. Outdoor Fan Speed Control --------------------------- 31
12.9. Powerful Operation -------------------------------------- 32
12.10. Quiet Operation------------------------------------------- 33
12.11. Timer Control---------------------------------------------- 34
12.12. Random Auto Restart Control ------------------------ 34
12.14. Patrol Operation ------------------------------------------ 35
© 2006 Panasonic HA Air-Conditioning (M) Sdn.
Bhd. (11969-T). All rights reserved. Unauthorized
copying and distribution is a violation of law.
\Order No. MAC0610047C3
Air Conditioner
PAGE

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Summary of Contents for Panasonic CS-C12GKF

  • Page 1: Table Of Contents

    12.12. Random Auto Restart Control ------------------------ 34 10.2. Indicator-----------------------------------------------------17 12.13. Remote Control Signal Receiving Sound ---------- 34 11 Installation Instruction-----------------------------------------18 12.14. Patrol Operation ------------------------------------------ 35 © 2006 Panasonic HA Air-Conditioning (M) Sdn. Bhd. (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 12.15. e-ion Operation ------------------------------------------- 38 13 Servicing Mode -------------------------------------------------- 41 13.1. Auto OFF/ON Button ------------------------------------ 41 13.2. Select Remote Control Transmission Code ------- 41 13.3. Remote Control Button --------------------------------- 42 14 Troubleshooting Guide---------------------------------------- 43 14.1. Refrigeration cycle system----------------------------- 43 15 Disassembly and Assembly Instructions --------------- 45 15.1.

  • 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 4. 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 solder iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ± 10°C). Pb free solder will tend to splash when heated too high (about 1100°F / 600°C).

  • Page 5: Specifications

    2 Specifications 2.1. CS-C12GKF CU-C12GKF Item Unit Indoor unit Outdoor unit Performance Test Condition Capacity 3.58 - 3.60 BTU/h 12200 - 12300 *kJ/h 12890 - 12960 3.17 - 3.10 BTU/hW 10.8 - 10.6 Noise Level dB (A) High: 39 Low: 29...
  • Page 6 Item Unit Power Source (Phase, Voltage, Cycle) ø Single Single Input power 1.13 1.16 Starting Current 29.5 29.5 Running Current Cooling Power Factor Cooling Power factor means total figure of compressor, indoor fan motor and outdoor fan motor. Power Cord Number of core 3 (1.5mm) Length...

  • Page 7: 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-C12GK, long piping up to 15 meter •...

  • Page 8: Location Of Controls And Components

    4 Location of Controls and Components 4.1. Product Overview 4.1.1. Indoor Unit 4.1.2. Outdoor Unit 4.1.3. Remote Control...

  • Page 9: Dimensions

    5 Dimensions 5.1. Indoor Unit & Remote Control 5.1.1. CS-C12GK...

  • Page 10: Outdoor Unit

    5.2. Outdoor Unit 5.2.1. CU-C12GK...

  • Page 11: Refrigeration Cycle Diagram

    6 Refrigeration Cycle Diagram...

  • Page 12: Block Diagram

    7 Block Diagram...

  • Page 13: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. CS-C12GK CU-C12GK Resistance of Indoor Fan Motor Windings Resistance of Compressor Windings MODEL CU-C12GK MODEL CU-C12GK CONNECTION CWA921324 CONNECTION 2KS210D5BA02 371.0 Ω 1.930 Ω BLUE-YELLOW C - R 385.6 Ω 2.449 Ω YELLOW-RED C - S Note: Resistance at 25°C of ambient temperature.

  • Page 14: Electronic Circuit Diagram

    9 Electronic Circuit Diagram...

  • Page 15: Printed Circuit Board

    10 Printed Circuit Board 10.1. Indoor Unit TOP VIEW...
  • Page 16 BOTTOM VIEW...

  • Page 17: Indicator

    10.2. Indicator TOP VIEW BOTTOM VIEW...

  • Page 18: Installation Instruction

    11 Installation Instruction 11.1. Select The Best Location Indoor Unit Indoor/Outdoor 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 19: Indoor Unit

    11.2. Indoor Unit 11.2.2. To Drill A Hole In The Wall And Install A Sleeve Of Piping 11.2.1. How To Fix Installation Plate 1. Insert the piping sleeve to the hole. The mounting wall is strong and solid enough to prevent it from 2.
  • Page 20 For the embedded piping Insert the connecting cable Install the Indoor unit Secure the Indoor Unit Pull out the piping and drain hose How to keep the cover (This can be used for left rear piping & left bottom piping also.)

  • Page 21: Outdoor Unit

    • Secure the cable onto the control board with the holder (clamper). • How to pull the piping and drain hose out, in case of the embedded piping. • In case of left piping how to insert the connecting cable and 11.3.
  • Page 22 torque as stated in the table. 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.
  • Page 23 4(A). Checking gas leakage for the left piping (1) * Connect the manifold gauge to the service port of 3-way valve. * Measure the pressure. (2) * Keep it for 5-10 minutes. * Ensure that the pressure indicated on the gauge is the same as that of measured during the first time.

  • Page 24: 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 25: Soft Dry Operation

    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 the setting temperature on the remote control. •...

  • Page 26: 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 27: Operation Control

    12.4. Operation Control 12.4.1. 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 28 12.4.5. Freeze Preventive 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 the temperature of indoor heat exchanger falls below 2°C continuously for more than 4 minutes. •...
  • Page 29 12.4.7. Dew Prevention control • To prevent dew formation at indoor unit discharge area. • This control will be activated if:- - Cooling mode or Quiet mode. - 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 30: Indoor Fan Speed Control

    12.5. Indoor Fan Speed Control • Indoor Fan Speed can be set using remote control. 12.5.1. Fan Speed Rotation Chart Speed Fan Speed (rpm) CS-C12GKF S Hi 1320 1270 1060 H Lo C Lo S Lo Q Hi 1170 Q Me Q Lo 12.5.2.

  • Page 31: Outdoor Fan Speed Control

    • Auto Fan Speed during cooling operation: 1. Indoor fan will rotate alternately between off and on as shown in below diagram. 2. At the beginning of each compressor start operation, indoor fan will increase fan speed gradually for deodorizing purpose. 3.

  • Page 32: Vertical Airflow Direction Control

    12.7. Vertical Airflow Direction Control 12.7.1. 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 33: Quiet Operation

    12.10. Quiet Operation (For Cooling Operation or cooling region of Soft Dry Operation) • To provide quiet cooling operation condition compare to normal operation. • Once the Quiet Mode is set at the remote control, the 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.

  • Page 34: Timer Control

    12.11. Timer Control 12.11.1. ON Timer • When the ON Timer is set by using the remote control, the unit will start to operate slightly before the set time, so that the room will reach nearly to the set temperature by the set time. •...

  • Page 35: Patrol Operation

    12.14. Patrol Operation 1. Purpose To monitor air dirtiness level by using gas sensor and activates e-ion operation whenever air is dirty. 2. Control Condition a. Patrol operation start condition • When the unit operation is started with “OFF/ON” button. •...
  • Page 36 3. Control Content a. Gas Sensor Control • First 2 minutes from Patrol function activates is stabilization time, during stabilization time, no air dirtiness level is monitored. The Air Dirtiness level is set to level 2. • After that, gas sensor starts to record the resistance value at fixed interval. Higher resistance value indicates cleaner air. •...
  • Page 37 c. Indoor Fan Control • During any operation mode combines with Patrol operation, fan speed follows respective operation mode. • During Patrol individual operation if e-ion starts, only Auto Fan Speed and no Powerful operation is allowed. Even if “Fan Speed”...

  • Page 38: E-Ion Operation

    12.15. e-ion Operation 1. Purpose This operation provides clean air by producing negative ions to attract dust captured at the positively charged e-ion filters. 2. Control Condition a. e-ion operation start condition • During unit running at any operation mode, if “e-ion” button is pressed, combination operation (operation mode + e-ion operation) starts.
  • Page 39 3. Control Content a. 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.
  • Page 40 g. Error Detection Control When e-ion indicator blink, it indicates error listed below: a. e-ion AIR PURIFYING SYSTEM main connector to PCB is open: Judgment Method • During e-ion operation (include during Patrol operation), e-ion AIR PURIFYING SYSTEM main connector to PCB is opened.

  • Page 41: Servicing Mode

    13 Servicing Mode 13.1. 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 use to operate air conditioner with limited function if remote control is misplaced or malfunction. 2.

  • Page 42: Remote Control Button

    13.3. Remote Control Button 13.3.1. SET BUTTON • To check current remote control transmission code. - Press for more than 10 seconds. • To change the air quality sensor sensitivity: - Press and release with pointer. - Press the Timer Decrement button to select sensitivity: 1.

  • Page 43: Troubleshooting Guide

    14 Troubleshooting Guide 14.1. 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.
  • Page 44 14.1.1. 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 45: Disassembly And Assembly Instructions

    15 Disassembly and Assembly Instructions 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.

  • Page 47: Indoor Fan Motor And Cross Flow Fan Removal Procedures

    15.2. Indoor Fan Motor and Cross Flow Fan Removal Procedures...

  • Page 49: Technical Data

    16 Technical Data 16.1. Thermostat Characteristics Cooling Soft Dry...

  • Page 50: Operation Characteristics

    16.2. Operation Characteristics 16.2.1. CS-C12GK CU-C12GK...

  • Page 52: Cooling Capacity Perfomance Data

    16.3. Cooling Capacity perfomance Data 16.3.1. CS-C12GKF Power source : 220 ~240V, 50Hz, 1 phase Air Temperature entering Condenser °C (D.B.) Indoor Model Power Ambient 25°C 30°C 35°C Source Temp. 3.5527 2.3334 0.9663 3.4110 2.3658 1.0489 3.2116 2.2903 1.1412 3.7521 1.9616...

  • Page 54: Exploded View And Replacement Parts List

    17 Exploded View and Replacement Parts List 17.1. 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 55 REF. NO. PART NAME & DESCRIPTION QTY. CS-C12GKF CHASSY COMPLETE CWD50C1513 FAN MOTOR, AC 15W SINGLE CWA921324 CROSS FLOW FAN COMPLETE CWH02C1045 BEARING ASS’Y CWH64K007 SCREW - CROSS FLOW FAN CWH551146 ION GENERATOR CWH94C0014 EVAPORATOR CO. CWB30C1837 FLARE NUT (1/4)

  • Page 56: Outdoor Unit

    17.2. Outdoor 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 REF. NO. PART NAME & DESCRIPTION QTY. CU-C12GKF CHASSY ASS’Y CWD50K2088 SOUND PROOF MATERIAL CWG302110 FAN MOTOR BRACKET CWD541030 SCREW - FAN MOTOR BRACKET CWH551198 FAN MOTOR (AC 30W SINGLE) CWA951120J SCREW - FAN MOTOR MOUNT CWH55406J PROPELLER FAN ASS’Y CWH03K1006 NUT - PROPELLER FAN CWH56053J...

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