Panasonic CS-HE9GKE Service Manual
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Panasonic CS-HE9GKE Service Manual

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TABLE OF CONTENTS

1 Safety Precaution ------------------------------------------------ 2
2 Specifications ----------------------------------------------------- 4
2.1. CS-HE9GKE CU-HE9GKE----------------------------- 4
2.2. CS-HE12GKE CU-HE12GKE ------------------------- 6
3 Features ------------------------------------------------------------- 8
4.1. Product Overview------------------------------------------ 9
5 Dimensions--------------------------------------------------------10
5.1. Indoor Unit--------------------------------------------------10
5.2. Outdoor Unit ----------------------------------------------- 11
6 Refrigeration Cycle Diagram --------------------------------12
7 Block Diagram----------------------------------------------------13
8 Wiring Connection Diagram --------------------------------14
8.1. Indoor Unit--------------------------------------------------14
8.2. Outdoor Unit -----------------------------------------------15
9 Electronic Circuit Diagram -----------------------------------16
9.1. Indoor Unit--------------------------------------------------16
CS-HE9GKE CU-HE9GKE
CS-HE12GKE CU-HE12GKE
PAGE
9.2. Outdoor Unit----------------------------------------------- 17
10 Printed Circuit Board ------------------------------------------ 18
10.1. Indoor Unit ------------------------------------------------- 18
10.2. Outdoor Unit----------------------------------------------- 19
11 Installation Instruction ---------------------------------------- 21
11.1. Select The Best Location ------------------------------ 21
11.3. Indoor Unit ------------------------------------------------- 22
11.4. Outdoor Unit----------------------------------------------- 25
12 Operation and Control ---------------------------------------- 28
12.1. Basic Function -------------------------------------------- 28
12.2. Protection Control---------------------------------------- 36
13 Servicing Mode -------------------------------------------------- 40
13.1. Auto OFF/ON Button ------------------------------------ 40
13.3. Remote Control Button --------------------------------- 41
14 Troubleshooting Guide --------------------------------------- 42
© 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0706026C2
Air Conditioner
PAGE

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Summary of Contents for Panasonic CS-HE9GKE

  • Page 1: Table Of Contents

    9 Electronic Circuit Diagram -----------------------------------16 13.3. Remote Control Button --------------------------------- 41 9.1. Indoor Unit--------------------------------------------------16 14 Troubleshooting Guide --------------------------------------- 42 © 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd. (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Safety Precaution

    14.1. Refrigeration Cycle System --------------------------- 42 16 Technical Data --------------------------------------------------- 57 14.2. Breakdown Self Diagnosis Function ---------------- 44 16.1. Operation Characteristics ----------------------------- 57 14.3. Error Codes Table---------------------------------------- 45 16.2. Sensible Capacity Chart ------------------------------- 65 15 Disassembly and Assembly Instructions --------------- 46 17 Exploded View and Replacement Parts List----------- 66 15.1.
  • Page 3 1. The equipment must be earthed. It may cause electrical shock if grounding is not perfect. 2. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire.

  • Page 4: Specifications

    2 Specifications 2.1. CS-HE9GKE CU-HE9GKE ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 2.60 (0.60 ~ 3.00) Capacity kCal/h 2240 (520 ~ 2580) 5.10 (5.00 ~ 4.29) kCal/hW 4.39 (4.33 ~ 3.69) dB-A (H/L/Q-Lo) 39 / 26 / 23...
  • Page 5 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Fin Material Aluminium (Pre Coat) Aluminium Fin Type Slit Fin Corrugated Fin Heat Exchanger Row x Stage x FPI 2 x (15/18/17) x 19.5 2 x 23 x 17 36.4 x 504 x 824.2 Size (W x H x L) 671 x 322.6 x 30.9 793.7...

  • Page 6: Cs-He12Gke Cu-He12Gke

    2.2. CS-HE12GKE CU-HE12GKE ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT 3.50 (0.60 ~ 4.00) Capacity kCal/h 3010 (520 ~ 3440) 4.12 (5.00 ~ 3.81) kCal/hW 3.54 (4.33 ~ 3.28) dB-A (H/L/Q-Lo) 42 / 29 / 26 High 48 Noise Level Power level dB 4.80 (0.60 ~ 7.70)
  • Page 7 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Fin Material Aluminium (Pre Coat) Aluminium Fin Type Slit Fin Corrugated Fin Heat Exchanger Row x Stage x FPI 3 x (15/18/17) x 19.5 2 x 23 x 17 36.4 x 504 x 824.2 Size (W x H x L) 671 x 322.6 x 30.9 793.7...

  • Page 8: Features

    3 Features • Product • Serviceability Improvement - Four modes of operation selection - Removable and washable Front Panel - Powerful mode to reach the desired room temperature - Breakdown Self Diagnosis function quickly with full power and a strong airflow - Quiet mode to provide a quiet environment by reducing •...

  • Page 9: 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 10: Dimensions

    5 Dimensions 5.1. Indoor Unit...

  • Page 11: Outdoor Unit

    5.2. Outdoor Unit...

  • Page 12: Refrigeration Cycle Diagram

    6 Refrigeration Cycle Diagram...

  • Page 13: Block Diagram

    7 Block Diagram...

  • Page 14: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. Indoor Unit...

  • Page 15: Outdoor Unit

    8.2. Outdoor Unit...

  • Page 16: Electronic Circuit Diagram

    9 Electronic Circuit Diagram 9.1. Indoor Unit...

  • Page 17: Outdoor Unit

    9.2. Outdoor Unit...

  • Page 18: Printed Circuit Board

    10 Printed Circuit Board 10.1. Indoor Unit 10.1.1. Main Printed Circuit Board 10.1.2. Indicator Panel...

  • Page 19: Outdoor Unit

    10.2. Outdoor Unit 10.2.1. Main Printed Circuit Board...

  • Page 21: Installation Instruction

    11 Installation Instruction 11.1. Select The Best Location 11.2. 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 22: Indoor Unit

    11.3. Indoor Unit 11.3.1. HOW TO FIX INSTALLATION PLATE 11.3.2. 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 23 3. For the embedded piping (This can be used for left rear piping and left bottom piping also.)
  • Page 24 11.3.4. 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 5 × 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.

  • Page 25: Outdoor Unit

    11.4. Outdoor Unit 11.4.1. INSTALL THE OUTDOOR UNIT • After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. 1. Install at least 40 cm above the ground. Do not install the unit on the floor. 2. Fix the unit on concrete or rigid frame firmly and horizontally by bolt (ø10 mm).

  • Page 26: Evacuation Of The Equipment

    11.4.3. EVACUATION OF THE EQUIPMENT WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. 1. Connect a quick-coupling charging hose to the Low and High sides of a charging set and to the service port of the 3-way valve.
  • Page 27 4. Attach the control board cover back to the original position with the screw.

  • Page 28: Operation And Control

    12 Operation and Control 12.1. Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting.

  • Page 29: Automatic Operation

    12.1.5. Automatic Operation • This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode, indoor intake air temperature and outdoor air temperature. • During operation mode judgment, indoor fan motor (with speed of Lo-) and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature.

  • Page 30: Outdoor Fan Motor Operation

    ii. Auto Fan Speed [Cooling, Dry] • According to room temperature and setting temperature, indoor fan speed is determined automatically. • The indoor fan will operate according to pattern below. [Heating] • According to indoor pipe temperature, automatic heating fan speed is determined as follows. B.

  • Page 31: Airflow Direction Control

    12.1.8. Airflow Direction Control 12.1.8.1. Horizontal and Vertical Directions Vertical louver is controlled by remote control: the Vertical Airflow Direction button on the remote controller and by each operation mode, as shown in the table below. Cooling Operation Mode Manual Operation Vertical Automatic Operation Powerful-ON •...
  • Page 32 Heating Operation Mode Manual Operation Vertical Automatic Operation Power-ON 1. When heat exchanger temperature is less 1. When heat exchanger temperature is less than 32°C. than 32°C. 2. When heat exchanger temperature is 2. Quick Heating Operation • Five-level setting is possible with the remote between 32°C and 56°C.

  • Page 33: Horizontal Airflow Direction Control

    12.1.9. Horizontal Airflow Direction Control Operation Horizontal Automatic Operation Operation for 5 min. after Powerful-ON or Mode the Neural Control is stabilized. Cooling • The louver horizontally swings at a fixed cycle. Horizontal Automatic Operation Operation for 5 min. after Powerful-ON •...

  • Page 34: Powerful Operation

    C. Control contents 1. Auto fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of Hi, Me, Lo for 3dB. 2. Manual fan speed for quiet operation is -1 step from setting fan speed. 12.1.11.

  • Page 35: On Timer Control

    12.1.13. ON Timer Control ON timer can be set using remote control, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable environment when reaching the set ON time. 60 minutes before the set time, indoor (at fan speed of Lo-) and outdoor fan motor start operate for 30 seconds to determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time.

  • Page 36: Protection Control

    12.2. Protection Control 12.2.1. Protection Control For All Operations 12.2.1.1. Time Delay Safety Control 1. The compressor will not starts for 3 minutes after stop of the operation. 2. This control is not applicable if the power supply is cut off and on again or after 4-way valve deices condition. 12.2.1.2.
  • Page 37 12.2.1.5. Compressor Overheating Prevention Control Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below figure. If compressor discharge temperature exceeds 110°C, compressor will stop, occurs 4 times per 20 minutes, timer LED will be blinking.

  • Page 38: Outdoor Air Temperature Control

    12.2.2. Protection Control For Cooling & Soft Dry Operation 12.2.2.1. Outdoor Air Temperature Control • The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below. • This control will begin 1 minute after the compressor starts. 12.2.2.2.
  • Page 39 12.2.3.2. Outdoor Air Temperature Control • The maximum current value is regulated when the outdoor air temperature rises above 14°C in order to avoid compressor over- loading. 12.2.3.3. Overload Protection Control • The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below. •...

  • Page 40: 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 used to operate air conditioner with limited function if remote control is misplaced or malfunction. 2.

  • Page 41: Remote Control Button

    Remote Control Printed Circuit Board Jumper A (J-A) Jumper B (J-B) Remote Control No. Short Open A (Default) Open Open Short Short Open Short 13.3. Remote Control Button 13.3.1. SET BUTTON • To check current remote control transmission code - Press for more than 10 seconds. •...

  • Page 42: 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 on the right.
  • Page 43 14.1.1. Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Heating Mode Condition of the air Electric current Electric current Low Pressure High Pressure Low Pressure High Pressure conditioner during operating during operating Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer...

  • Page 44: Breakdown Self Diagnosis Function

    14.2. Breakdown Self Diagnosis Function 14.2.1. Self Diagnosis Function (Three Digits Alphanumeric Code) • Once abnormality has occurred during operation, the unit 7. The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5 seconds or will stop its operation, and Timer LED blinks.

  • Page 45: Error Codes Table

    14.3. Error Codes Table Diagnosis Abnormality Emergency Primary location to verify Abnormality / Protection control display Judgement operation No abnormality detected — Normal operation Indoor / outdoor abnormal > 1 min after starting Indoor fan operation • Internal / external cable connections communication operation only...

  • Page 46: Disassembly And Assembly Instructions

    15 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. 15.1. Disassembly of Indoor Unit 15.1.1.
  • Page 47 Fig. 3 3. Remove the Top Panel by pressing the triangle marks. (Fig.3) 4. Remove the screw (one) in center part of the unit. (Fig.3) 5. Remove the Front Grille by releasing the 4 hooks at the top of the Front Grille. Hold both side of the Front Grille and remove it by pulling up and toward you gently.

  • Page 48: Removal Of Pcb

    Fig. 5 1. Remove the Control board cover. (Fig.4) 2. Remove the screw at the control board then pull out the control board. (Fig.5) 3. Release CN-TH from evaporator. (Fig.5) 4. Release earth wire screw from the evaporator. (Fig.5) 5. Disconnect below connectors from PCB. (Fig.5) •...
  • Page 49 Fig. 8 6. Remove the control boards cover (L) by releasing the hooks then remove the PCB from the control board cover (L). (Fig.8) 15.1.4. Removal of Fan Motor and Cross-Flow Fan Fig. 9 1. Remove particular piece. (Fig.9) 2. Remove the drain hose from the unit. (Fig.9)
  • Page 50 Fig. 10 3. Remove connector at the Gear Complete. (Fig.10) 4. Release screw at Gear Complete then remove the Gear Complete. (Fig.10) 5. Pull the Discharge Grille downward then removed it. (Fig.9) Fig. 11 6. Remove the Fan Motor Cover by removing four screws from the Fan Motor Cover. (Fig.11)
  • Page 51 Fig. 12 7. Remove the screw on the left side of evaporator. (Fig.12) Fig. 13 8. Loosen the screw between the Cross-Flow Fan and Fan Motor. (Fig.13) 9. Remove the bearing. (Fig.12)
  • Page 52 Fig. 14 10. Lift up the Evaporator and remove the Cross-Flow Fan from the unit by pulling it to the left and downward. (Fig. 14) Fig. 15 11. Pull out the Fan Motor. (Fig.15)
  • Page 53 15.1.5. Removal of Terminal Board Complete Fig. 17 Fig. 16 1. Detach the Power supply cord screw. (Fig.17) 2. Remove screw at Terminal Board Complete. (Fig.17) 3. Remove two particular pieces, the Terminal Board Complete. (Fig.16) 4. Removed live (brown) and neutral (blue) wire. (Fig.17) 15.1.6.

  • Page 54: Disassembly Of Outdoor Unit

    15.2. Disassembly of Outdoor Unit 15.2.1. Removal of Cabinet Top Plate and 15.2.2. Removal of Control Cover and Cabinet Front Plate Terminal Cover 1. Remove the screws (three: two on the right side and one 1. Remove the screw (one) on the Control Cover and on the left side) and the Cabinet Top Plate.
  • Page 55 15.2.3. Removal of Control Box 5. Remove the Control Box from the unit by holding it up. 1. Remove the Control Board by releasing the hooks (four: two each on the right and left). Fig. 5 2. Remove the screw (one) fixing the Control Box. Fig.
  • Page 56 6. Release the hooks (four) on the Control Box A (Lower 3. Remove only the Connector for the CN-FM1 (Outdoor Control PCB Cover). unit Fan Motor). 4. Remove the Propeller Fan by turning the nut in the center Note: Be careful of hanging-up of connectors or of the fan clockwise.

  • Page 57: Technical Data

    16 Technical Data 16.1. Operation Characteristics 16.1.1. CS-HE9GKE CU-HE9GKE...
  • Page 61 16.1.2. CS-HE12GKE CU-HE12GKE...

  • Page 65: Sensible Capacity Chart

    16.2. Sensible Capacity Chart CS-HE9GKE CU-HE9GKE 230V Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 2.58 1.96 0.47 2.41 1.88 0.50 2.24 1.80 0.54 2.04 1.71 0.58 19.0°C 2.60 0.51 19.5°C 2.83 2.05 0.48 2.65 1.97 0.51 2.46 1.89 0.55 2.24...

  • Page 66: 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 67 REF. NO. PART NAME & DESCRIPTION QTY. CS-HE9GKE CS-HE12GKE ← CHASSY COMPLETE CWD50C1551 ← FAN MOTOR, DC 30W 3PH CWA981194CB ← CROSS-FLOW FAN CO. CWH02C1024 ← BEARING ASSY CWH64K1005 ← HOLDER-FAN MOTOR CWD911313 ← SCREW-HOLDER FAN MOTOR XTT4+12CFJ ← L SHAPED PLATE-FOR CHASSY CWD601065B EVAPORATOR CO.

  • Page 68: 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 69 REF. NO. PART NAME & DESCRIPTION QTY. CU-HE9GKE CU-HE12GKE ← CHASSY ASS'Y CWD50K2171 ← ANTI-VIBRATION BUSHING CWH50077 ← COMPRESSOR, DC 220V 5CS110XBD04 ← NUT-COMPRESSOR MOUNT CWH56000J ← CRANKCASE HEATER CWA341026 ← SOUND PROOF MATERIAL CWG302464 ← BRACKET FAN MOTOR CWD541089 ←...

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