Panasonic CS-E9EKK Service Manual
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TABLE OF CONTENTS

1 Safety Precaution ------------------------------------------------ 2
2 Specifications ----------------------------------------------------- 4
2.1. CS-E9EKK CU-E9EKK----------------------------------- 4
2.2. CS-E12EKK CU-E12EKK ------------------------------- 6
3.1. Product Overview------------------------------------------ 8
4 Dimensions--------------------------------------------------------- 9
4.1. Indoor Unit--------------------------------------------------- 9
4.2. Outdoor Unit -----------------------------------------------10
5 Refrigeration Cycle Diagram --------------------------------11
6 Block Diagram----------------------------------------------------12
7 Wiring Connection Diagram ---------------------------------13
8 Printed Circuit Board-------------------------------------------15
8.3. Indicator panel---------------------------------------------17
9 Installation Instruction-----------------------------------------18
9.1. Indoor Unit--------------------------------------------------19
CS-E9EKK CU-E9EKK
CS-E12EKK CU-E12EKK
PAGE
9.2. Outdoor Unit----------------------------------------------- 21
10 Operation and Control ---------------------------------------- 24
10.1. Basic Function -------------------------------------------- 24
10.2. Protection Control---------------------------------------- 27
11 Servicing Mode -------------------------------------------------- 30
11.1. Auto Switch Operation ---------------------------------- 30
11.2. Indicator Panel-------------------------------------------- 30
12 Troubleshooting Guide --------------------------------------- 31
12.1. Refrigeration Cycle System --------------------------- 31
14 Technical Data --------------------------------------------------- 37
14.1. Thermostat Characteristics ---------------------------- 37
14.2. Operation Characteristics ------------------------------ 38
15.1. Indoor Unit ------------------------------------------------- 46
15.2. Outdoor Unit----------------------------------------------- 48
© 2005 Panasonic HA Air-Conditioning (M) Sdn Bhd
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
5Order No. MAC0512114C1
Air Conditioner
PAGE

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Summary of Contents for Panasonic CS-E9EKK

  • Page 1: Table Of Contents

    15 Exploded View and Replacement Parts List ----------- 46 9 Installation Instruction-----------------------------------------18 15.1. Indoor Unit ------------------------------------------------- 46 9.1. Indoor Unit--------------------------------------------------19 15.2. Outdoor Unit----------------------------------------------- 48 © 2005 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

    1 Safety Precaution • 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 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-E9EKK CU-E9EKK Unit CS-E9EKK CU-E9EKK Performance Test Condition Cooling Capacity 2.60 (1.20 - 3.00) (BTU/h) 8,900 (4,100 - 10,200) Heating Capacity 3.65 (1.20 - 4.85) (BTU/h) 12,500 (4,100 - 16,500) Moisture Removal Pint/h Power Source (Phase, Voltage, Cycle) ø...
  • Page 5 Unit CS-E9EKK CU-E9EKK Dimensions Height inch (mm) 11 - 1/32 (280) 21 - 1/4 (540) Width inch (mm) 31 - 15/32 (799) 30 - 23/32 (780) Depth inch (mm) 7 - 7/32 (183) 11 - 3/8 (289) Net Weight lb (kg) 20 (9.0)
  • Page 6: Cs-E12Ekk Cu-E12Ekk

    2.2. CS-E12EKK CU-E12EKK Unit CS-E12EKK CU-E12EKK Performance Test Condition Cooling Capacity 3.35 (1.20 - 3.85) (BTU/h) 11,500 (4,100 - 13,100) Heating Capacity 4.70 (1.20 - 6.20) (BTU/h) 16,000 (4,100 - 21,000) Moisture Removal Pint/h Power Source (Phase, Voltage, Cycle) ø Single 208 - 230 Airflow Method...
  • Page 7 Unit CS-E12EKK CU-E12EKK Compressor Type — Hermetic Motor Motor Type — Brushless (6-pole) Rated Output — Air Circulation Type Cross-flow Fan Propeller Fan Material ASG20K1 Motor Type Transistor (8-poles) Induction (6-poles) Input 46.0 - 46.0 61.3 Rated Output Fan Speed Lo (Cool/Heat) 960/1,150 —...
  • Page 8: Location Of Controls And Components

    3 Location of Controls and Components 3.1. Product Overview 3.1.1. Indoor Unit 3.1.2. Outdoor Unit 3.1.3. Remote Control...
  • Page 9: Dimensions

    4 Dimensions 4.1. Indoor Unit...
  • Page 10: Outdoor Unit

    4.2. Outdoor Unit...
  • Page 11: Refrigeration Cycle Diagram

    5 Refrigeration Cycle Diagram...
  • Page 12: Block Diagram

    6 Block Diagram...
  • Page 13: Wiring Connection Diagram

    7 Wiring Connection Diagram...
  • Page 15: Printed Circuit Board

    8 Printed Circuit Board 8.1. Indoor Unit (Main Printed Circuit Board)
  • Page 16: Outdoor Unit (Main Printed Circuit Board)

    8.2. Outdoor Unit (Main Printed Circuit Board)
  • Page 17: Indicator Panel

    8.3. Indicator panel...
  • Page 18: Installation Instruction

    9 Installation Instruction Indoor/Outdoor Unit Installation Diagram SELECT THE BEST LOCATION INDOOR UNIT • 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

    9.1. Indoor Unit 9.1.1. HOW TO FIX INSTALLATION PLATE 9.1.2. TO DRILL A HOLE IN THE WALL INSTALL SLEEVE The mounting wall is strong and solid enough to prevent it from the vibration. PIPING 1. Insert the piping sleeve to the hole. 2.
  • Page 20 (This can be used for left rear piping and left bottom piping also.)
  • Page 21: Outdoor Unit

    9.1.4. INDOOR UNIT ELECTRICAL WIRING 1. Remove the control board metal cover. 2. Unscrew the conduit cover & fix the conduit connector to conduit cover with lock nut, then secure it against chassis. 3. Connecting wire between indoor unit and outdoor unit should be UL listed or CSA approved 4 x AWG16 wire.
  • Page 22 9.2.2. CONNECTING THE PIPING Connecting The Piping To Indoor Unit Please make flare after inserting flare nut (locate at joint portion of tube assembly) onto the copper pipe. (In case of using long piping) Connect the piping • Align the center of piping and sufficiently tighten the flare nut with fingers.
  • Page 23 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 24: Operation And Control

    10 Operation and Control 10.1. 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 25 10.1.2.2. Horizontal Airflow 1. Automatic horizontal airflow direction can be set using remote control; the vane swings left and right within the angles as stated below. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as Fig- ure 1 below.
  • Page 26 4. When operation mode is changed, quiet operation is shifted to quiet operation of the new mod 5. During quiet operation, if timer “on” activates, quiet operation maintains. 6. After off, when on back, quiet operation is not memorised. C. Control contents 1.
  • Page 27: Protection Control

    (b) Heating Operation 10.1.5. 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 28 10.2.4. IPM (Power transistor) Prevention Control A. Overheating Prevention Control 1. When the IPM temperature rises to 100°C, compressor operation will stop immediately. 2. Compressor operation restarts after three minutes the temperature decreases to 95°C. B. DC Peak Current Control 1.
  • Page 29 10.2.9. Four-way Valve Operation Detection Control (Switching Abnormality between Cooling and Heating) In Cooling operation 1. When indoor heat exchanger temperature exceeds 45°C in 4 minutes after compressor starts, compressor will be stopped. 2. If the above excess occurs 4 times per 30 minutes, timer LED is to be blinking. (“F11” is to be confirmed.) In Heating operation 1.
  • Page 30: Servicing Mode

    11 Servicing Mode 11.1. Auto Switch Operation The below operations will be performed by pressing the “AUTO” switch. 1. AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto Switch is pressed. 2. TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE) The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec.
  • Page 31: Troubleshooting Guide

    12 Troubleshooting Guide 12.1. 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 32 12.1.1. 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 33 12.1.2. Breakdown Self Diagnosis Function 12.1.2.1. Self Diagnosis Function (Three Digits Alphanumeric Code) • Once abnormality has occurred during operation, the unit 7. The breakdown diagnosis mode will be canceled unless will stop its operation, and Timer LED blinks. pressing the CHECK button continuously for 5 seconds or •...
  • Page 34 12.1.3. Error Codes Table Diagnosis Abnormality Emergency Primary location to verify Abnormality / Protection control display Judgement operation Indoor / outdoor abnormal > 1 min after starting Indoor fan operation • Internal / external cable connections communication operation only • Indoor / Outdoor PCB Connection capability rank abnormal —...
  • Page 35: Disassembly And Assembly Instructions

    13 Disassembly and Assembly Instructions 13.1. Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 13.1.1. To remove the Front Grille • Lift to open the vertical vent gently. (Fig. 1) • Remove 2 caps and 2 screws at the bottomof discharge vent.
  • Page 36 • Detach 5 connectors as labeled from the electronic controller. Then, pull it out slowly while pressing the fastener to the right. (Fig. 5) Fig. 5 13.1.3. To remove the Discharge Grille • Remove the drain hose from the discharge grille. (Fig. 6) •...
  • Page 37: Technical Data

    14 Technical Data 14.1. Thermostat Characteristics...
  • Page 38: Operation Characteristics

    14.2. Operation Characteristics Cooling Characteristic at Different Outdoor Air Temperature...
  • Page 46: Exploded View And Replacement Parts List

    15 Exploded View and Replacement Parts List 15.1. 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 47 REF. NO. PART NAME & DESCRIPTION QTY. CS-E9EKK CS-E12EKK REMARKS ← CHASSY COMPLETE CWD50C1469 ← FAN MOTOR CWA981172J ← CROSS-FLOW FAN COMPLETE CWH02C1045 ← SCREW - CROSS-FLOW FAN CWH551146 ← BEARING ASS’Y CWH64K007 EVAPORATOR CWB30C1819 CWB30C1825 ← FLARE NUT (1/4)
  • Page 48: Outdoor Unit

    15.2. 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 49 REF. NO. PART NAME & DESCRIPTION QTY. CU-E9EKK CU-E12EKK REMARKS ← CHASSY ASS’Y CWD50K2081A ← ANTI-VIBRATION BUSHING CWH50077 ← COMPRESSOR 5RS102XBC01 ← NUT-COMPRESSOR MOUNT CWH56000J ← SOUND PROOF MATERIAL CWG302293 ← SOUND PROOF MATERIAL CWG302292 ← FAN MOTOR BRACKET CWD541030 ←...

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