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Panasonic CS-E15EKEA Service Manual

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1 Safety Precautions----------------------------------------------- 3
2 Specifications ----------------------------------------------------- 5
2.1. CS-E15EKEA CU-E15EKEA -------------------------- 5
2.2. CS-E18EKEA CU-E18EKEA -------------------------- 7
2.3. CS-E21EKEA CU-E21EKEA -------------------------- 9
3 Features ------------------------------------------------------------11
4.1. Indoor Unit--------------------------------------------------12
4.2. Outdoor Unit -----------------------------------------------13
4.3. Remote Control -------------------------------------------13
5 Dimensions--------------------------------------------------------14
5.1. Indoor Unit & Remote Control -------------------------14
CS-E15EKEA CU-E15EKEA
CS-E18EKEA CU-E18EKEA
CS-E21EKEA CU-E21EKEA
PAGE
5.2. Outdoor Unit----------------------------------------------- 16
6 Refrigeration Cycle Diagram -------------------------------- 17
7 Block Diagram --------------------------------------------------- 18
8 Wiring Connection Diagram--------------------------------- 19
8.1. Indoor Unit ------------------------------------------------- 19
8.2. Outdoor Unit----------------------------------------------- 20
9 Printed Circuit Board ------------------------------------------ 21
9.1. Indoor Unit ------------------------------------------------- 21
9.2. Outdoor Unit----------------------------------------------- 25
10 Installation Instruction ---------------------------------------- 27
10.1. CS-E15EKEA --------------------------------------------- 27
10.2. CS-E18EKEA CS-E21EKEA ------------------------- 33
© 2005 Panasonic HA Air-Conditioning (M) Sdn Bhd
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0511088C2
Air Conditioner
PAGE

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Summary of Contents for Panasonic CS-E15EKEA

  • Page 1: Table Of Contents

    10 Installation Instruction ---------------------------------------- 27 5 Dimensions--------------------------------------------------------14 10.1. CS-E15EKEA --------------------------------------------- 27 5.1. Indoor Unit & Remote Control -------------------------14 10.2. CS-E18EKEA CS-E21EKEA ------------------------- 33 © 2005 Panasonic HA Air-Conditioning (M) Sdn Bhd (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 Procedure -------------------------------------------------- 58 16 Technical Data --------------------------------------------------- 59 16.1. Operation Characteristics ------------------------------ 59 16.2. Sensible Capacity Chart-------------------------------- 83 17 Exploded View and Replacement Parts List ----------- 84 17.1. CS-E15EKEA --------------------------------------------- 84 17.2. CS-E18EKEA CS-E21EKEA ------------------------- 86 17.3. CU-E15EKEA CU-E18EKEA CU-E21EKEA ---- 88...

  • 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-E15EKEA CU-E15EKEA Unit CS-E15EKEA CU-E15EKEA Performance Test Condition EUROVENT 4.40 (0.90 - 5.00) Cooling Capacity kcal/h 3,780 (770 - 4,300) BTU/h 15,000 (3,070 - 17,100) 5.50 (0.90 - 7.10) Heating Capacity kcal/h 4,730 (770 - 6,110) BTU/h...
  • Page 6 Unit CS-E15EKEA CU-E15EKEA Type Cross-flow Fan Propeller Fan Material ASHT-18 Motor Type Transistor (8-poles) Transistor (8-poles) Air Circulation Rate Output Lo (Cool/Heat) 980 / 1,160 — Fan Speed Me (Cool/Heat) 1,220 / 1,360 — Hi (Cool/Heat) 1,460 / 1,560 660 / 640...

  • Page 7: Cs-E18Ekea Cu-E18Ekea

    2.2. CS-E18EKEA CU-E18EKEA Unit CS-E18EKEA CU-E18EKEA Performance Test Condition EUROVENT 5.30 (0.90 - 6.00) Cooling Capacity kcal/h 4,560 (770 - 5,160) BTU/h 18,100 (3,070 - 20,500) 6.60 (0.90 - 8.00) Heating Capacity kcal/h 5,680 (770 - 6,880) BTU/h 22,500 (3,070 - 27,300) Moisture Removal Pint/h (6.1)
  • Page 8 Unit CS-E18EKEA CU-E18EKEA Type Cross-flow Fan Propeller Fan Material ASHT-18 Motor Type Transistor (8-poles) Transistor (8-poles) Air Circulation Rate Output Lo (Cool/Heat) 1,170 / 1,240 — Fan Speed Me (Cool/Heat) 1,330 / 1,395 — Hi (Cool/Heat) 1,450 / 1,580 660 / 640 Description Evaporator Condenser...

  • Page 9: Cs-E21Ekea Cu-E21Ekea

    2.3. CS-E21EKEA CU-E21EKEA Unit CS-E21EKEA CU-E21EKEA Performance Test Condition EUROVENT 6.30 (0.90 - 7.10) Cooling Capacity kcal/h 5,420 (770 - 6,110) BTU/h 21,500 (3,070 - 24,200) 7.20 (0.90 - 8.50) Heating Capacity kcal/h 6,190 (770 - 7,310) BTU/h 24,600 (3,070 - 29,000) Moisture Removal Pint/h (7.4)
  • Page 10 Unit CS-E21EKEA CU-E21EKEA Type Cross-flow Fan Propeller Fan Material ASHT-18 Motor Type Transistor (8-poles) Transistor (8-poles) Air Circulation Rate Output Lo (Cool/Heat) 1,170 / 1,270 — Fan Speed Me (Cool/Heat) 1,355 / 1,400 — Hi (Cool/Heat) 1,520 / 1,610 700 / 680 Description Evaporator Condenser...

  • Page 11: Features

    3 Features • Product • Serviceability Improvement - Four modes of operation selection - Removable washable Front Panel - Powerful Mode operation - Breakdown Self Diagnosis function - ON Timer and OFF Timer - Ionizer Mode Operation • Environmental Protection - Quiet Mode Operation - Non-ozone depletion substances refrigerant (R410A) - Automatic air swing and manual adjusted by Remote...

  • Page 12: Location Of Controls And Components

    4 Location of Controls and Components 4.1. Indoor Unit 4.1.1. CS-E15EKEA 4.1.2. CS-E18EKEA CS-E21EKEA...

  • Page 13: Outdoor Unit

    4.2. Outdoor Unit 4.3. Remote Control...

  • Page 14: Dimensions

    5 Dimensions 5.1. Indoor Unit & Remote Control 5.1.1. CS-E15EKEA...
  • Page 15 5.1.2. CS-E18EKEA CS-E21EKEA...

  • Page 16: Outdoor Unit

    5.2. Outdoor Unit...

  • Page 17: Refrigeration Cycle Diagram

    6 Refrigeration Cycle Diagram Piping size Rated Common Max. Max. Piping Additional Model Length Length Elevation Length Refrigerant Liquid (g/m) E15EKEA 1/2” 1/4” E18EKEA, E21EKEA 1/2” 1/4” If piping length is over common length, additional refrigerant should be added as shown in the table.

  • Page 18: Block Diagram

    7 Block Diagram...

  • Page 19: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. Indoor Unit...

  • Page 20: Outdoor Unit

    8.2. Outdoor Unit...

  • Page 21: Printed Circuit Board

    9 Printed Circuit Board 9.1. Indoor Unit 9.1.1. Main Printed Circuit Board...
  • Page 23 9.1.2. Power Printed Circuit Board...

  • Page 25: Outdoor Unit

    9.2. Outdoor Unit...

  • Page 27: Installation Instruction

    10 Installation Instruction 10.1. CS-E15EKEA 10.1.1. Select The Best Location 10.1.2. Indoor/Outdoor Unit Installation INDOOR UNIT Diagram • There should not be any heat source or steam near the unit. • There should not be any obstacles blocking the air circula- tion.
  • Page 28 10.1.3. Indoor Unit 10.1.3.1. HOW INSTALLATION 10.1.3.2. TO DRILL A HOLE IN THE WALL PLATE AND INSTALL A SLEEVE OF PIPING The mounting wall is strong and solid enough to prevent it from the vibration. 1. Insert the piping sleeve to the hole. 2.
  • Page 29 3. For the embedded piping (This can be used for left rear piping & left bottom piping also.)
  • Page 30 10.1.3.4. 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 × 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
  • Page 31 10.1.4. Outdoor Unit 10.1.4.1. 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 horizon- tally by bolt nut (ø10 mm). 2.
  • Page 32 10.1.4.3. 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 charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve. •...

  • Page 33: Cs-E18Ekea Cs-E21Ekea

    10.2. CS-E18EKEA CS-E21EKEA 10.2.1. Select The Best Location 10.2.2. Indoor/Outdoor Unit Installation INDOOR UNIT Diagram • There should not be any heat source or steam near the unit. • There should not be any obstacles blocking the air circula- tion. •...
  • Page 34 10.2.3. Indoor Unit 10.2.3.1. HOW INSTALLATION 10.2.3.2. TO DRILL A HOLE IN THE WALL PLATE AND INSTALL A SLEEVE OF PIPING The mounting wall is strong and solid enough to prevent it from the vibration. 1. Insert the piping sleeve to the hole. 2.
  • Page 35 3. For the embedded piping (This can be used for left rear piping & left bottom piping also.)
  • Page 36 10.2.3.4. 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 × 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
  • Page 37 10.2.4. Outdoor Unit 10.2.4.1. 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.
  • Page 38 10.2.4.3. 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 charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve. •...

  • Page 39: Operation And Function

    11 Operation And Function 11.1. 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 40: Quiet Operation (Cooling Mode/Cooling Area Of Soft Dry Mode)

    1. Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the angles as stated above. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below.
  • Page 41 1. When one of the following conditions is satisfied, quiet operation stops: a. Powerful button is pressed. b. Stop by OFF/ON switch. c. Timer “off” activates. d. Quiet button is pressed again. 2. When quiet operation is stopped, operation is shifted to normal operation with previous setting. 3.

  • Page 42: Powerful Mode Operation

    C. Control contents a. Fan Speed manual 1. 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. Fan speed for quiet operation is -100 rpm from setting fan speed. 3.

  • Page 43: Off Timer Control

    11.6. OFF Timer Control OFF timer can be set using remote control, the unit with timer set will stop operate at set time. 11.7. Auto Restart Control 1. When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within three to four minutes (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly) after power supply resumes.

  • Page 44: Protection Control

    12 Protection Control 12.1. Protection Control For All Operations 12.1.1. Time Delay Safety Control 1. The compressor will not start for three minutes after stop of operation. 2. This control is not applicable if the power supply is cut off and on again or after 4-way valve deices condition. 12.1.2.

  • Page 45: Protection Control For Cooling & Soft Dry Operation

    12.1.5. Compressor Overheating Prevention Control Instructed frequency for compressor operation will be regulated by compressor top temperature. The changes of frequency are as below figure. 12.2. Protection Control For Cooling & Soft Dry Operation 12.2.1. Outdoor Air Temperature Control The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below. 12.2.2.

  • Page 46: Protection Control For Heating Operation

    • Control contents: Outdoor fan speed (switch to zone A and B minimum fan speed). Outdoor total current (zone C) higher than the specified. • Cancellation condition: When one of above is not satisfied. 12.2.3. Freeze Prevention Control 1. When indoor heat exchanger temperature is lower than 2°C continuously for six minutes, compressor will stop operating. 2.
  • Page 47 12.3.3. Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures.

  • Page 48: Servicing Mode

    13 Servicing Mode 13.1. 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 49: Indication Panel

    13.3. Indication Panel ALLERGEN POWER TIMER QUIET POWERFUL BUSTER Color Green Orange Orange Orange Green Blue Light ON Operation ON Timer Setting ON Quiet Mode ON Powerful Mode ON Ion Mode ON Operation ON Light OFF Operation OFF Timer Setting OFF Quiet Mode OFF Powerful Mode OFF Ion Mode OFF...

  • Page 50: 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 51: Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current

    14.2. Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current Cooling Mode Heating Mode Condition of the air conditoner Low Pressure High Pressure Electric current Low Pressure High Pressure Electric current during operation during operation Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer...

  • Page 52: Breakdown Self Diagnosis Function

    14.3. BREAKDOWN SELF DIAGNOSIS FUNCTION 14.3.1. 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 will stop its operation, and Timer or both Timer and ION LEDs blink.

  • Page 53: Error Codes Table

    14.4. Error Codes Table Diagnosis Abnormality Emergency Abnormality / Protection control Primary location to verify 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 54: Disassembly And Assembly Instructions

    15 Disassembly and Assembly Instructions • Caution! 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 56: Indoor Cross Flow Fan And Fan Motor

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

  • Page 58: Outdoor Electronic Controller Removal Procedure

    15.3. Outdoor Electronic Controller Removal Procedure 1. Remove the top panel and front panel Fig. 10 2. Remove the Outdoor Electronic Controller Fig. 11 Fig. 12 Caution! When handling electronic controller, be careful of electrostatic discharge.

  • Page 59: Technical Data

    16 Technical Data 16.1. Operation Characteristics 16.1.1. CS-E15EKEA CU-E15EKEA Cooling Characteristic at Different Outdoor Air Temperature [Condition] Indoor room temperature : 27/19°C Remote control setting : Hi Fan, COOL 16°C Compressor frequency : Rated cooling Voltage : 230 V...
  • Page 61 Heating Characteristic at Different Outdoor Air Temperature [Condition] Indoor room temperature : 20°C Remote control setting : Hi Fan, HEAT 30°C Compressor frequency : Rated heating Voltage : 230 V...
  • Page 63 Cooling Characteristic at Different Piping Length [Condition] Indoor room temperature : 27/19°C Remote control setting : Hi Fan, COOL 16°C Compressor frequency : Rated cooling Voltage : 230 V...
  • Page 65 Heating Characteristic at Different Piping Length [Condition] Indoor room temperature : 20°C Remote control setting : Hi Fan, HEAT 30°C Compressor frequency : Rated heating Voltage : 230 V...
  • Page 67 16.1.2. CS-E18EKEA CU-E18EKEA Cooling Characteristic at Different Outdoor Air Temperature [Condition] Indoor room temperature : 27/19°C Remote control setting : Hi Fan, COOL 16°C Compressor frequency : Rated cooling Voltage : 230 V...
  • Page 69 Heating Characteristic at Different Outdoor Air Temperature [Condition] Indoor room temperature : 20°C Remote control setting : Hi Fan, HEAT 30°C Compressor frequency : Rated heating Voltage : 230 V...
  • Page 71 Cooling Characteristic at Different Piping Length [Condition] Indoor room temperature : 27/19°C Remote control setting : Hi Fan, COOL 16°C Compressor frequency : Rated cooling Voltage : 230 V...
  • Page 73 Heating Characteristic at Different Piping Length [Condition] Indoor room temperature : 20°C Remote control setting : Hi Fan, HEAT 30°C Compressor frequency : Rated heating Voltage : 230 V...
  • Page 75 16.1.3. CS-E21EKEA CU-E21EKEA Cooling Characteristic at Different Outdoor Air Temperature [Condition] Indoor room temperature : 27/19°C Remote control setting : Hi Fan, COOL 16°C Compressor frequency : Rated cooling Voltage : 230 V...
  • Page 77 Heating Characteristic at Different Outdoor Air Temperature [Condition] Indoor room temperature : 20°C Remote control setting : Hi Fan, HEAT 30°C Compressor frequency : Rated heating Voltage : 230 V...
  • Page 79 Cooling Characteristic at Different Piping Length [Condition] Indoor room temperature : 27/19°C Remote control setting : Hi Fan, COOL 16°C Compressor frequency : Rated cooling Voltage : 230 V...
  • Page 81 Heating Characteristic at Different Piping Length [Condition] Indoor room temperature : 20°C Remote control setting : Hi Fan, HEAT 30°C Compressor frequency : Rated heating Voltage : 230 V...

  • Page 83: Sensible Capacity Chart

    16.2. Sensible Capacity Chart ● CS-E15EKEA CU-E15EKEA Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 4.36 3.31 1.25 4.08 3.17 1.35 3.79 3.05 1.44 3.45 2.90 1.56 19.0°C 4.40 1.37 19.5°C 4.79 3.46 1.28 4.48 3.33 1.38 4.17 3.20 1.47 3.79...

  • Page 84: Exploded View And Replacement Parts List

    17 Exploded View and Replacement Parts List 17.1. CS-E15EKEA 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 85 <Model: CS-E15EKEA> REF NO. PART NAME & DESCRIPTION QTY. CS-E15EKEA REMARKS CHASSY COMPLETE CWD50C1431 FAN MOTOR CWA981149J CROSS FLOW FAN COMPLETE CWH02C1045 BEARING ASS’Y CWH64K007 SCREW - CROSS FLOW FAN CWH551146 EVAPORATOR CWB30C1833 FLARE NUT CWT251030 (1/4”) FLARE NUT CWT251032 (1/2”)

  • Page 86: Cs-E18Ekea Cs-E21Ekea

    17.2. CS-E18EKEA CS-E21EKEA 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 87 <Model: CS-E18EKEA / CS-E21EKEA> REF NO. PART NAME & DESCRIPTION QTY. CS-E18EKEA CS-E21EKEA REMARKS ← CHASSY COMPLETE CWD50C1382 ← FAN MOTOR CWA981149J ← CROSS FLOW FAN COMPLETE CWH02C1010 ← SCREW - CROSS FLOW FAN CWH551146 ← BEARING ASS’Y CWH64K007 EVAPORATOR CWB30C1859 CWB30C1860 ←...

  • Page 88: Cu-E15Ekea Cu-E18Ekea Cu-E21Ekea

    17.3. CU-E15EKEA CU-E18EKEA CU-E21EKEA 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 89 <Model: CU-E15EKEA / CU-E18EKEA / CU-E21EKEA> REF. NO. DESCRIPTION & NAME QTY. CU-E15EKEA CU-E18EKEA CU-E21EKEA REMARKS ← ← CHASSY ASS’Y CWD50K2085 ← ← ANTI-VIBRATION BUSHING CWH50077 ← ← COMPRESSOR 5CS130XAD04 ← ← NUT-COMPRESSOR MOUNT CWH56000J ← ← SOUND PROOF MATERIAL CWG302302 ←...
  • Page 90 REF. NO. DESCRIPTION & NAME QTY. CU-E15EKEA CU-E18EKEA CU-E21EKEA REMARKS ← ← DRAIN HOSE CWH5850080 ← ← PACKING CWB81012 ← SOUND PROOF MATERIAL CWG302290 CWG302270 ← SOUND PROOF MATERIAL CWG302301 CWG302300 TUBE ASS’Y (CAP. TUBE) CWT022997 ← ← HEATER COMPLETE CWA34C1005 ←...

This manual is also suitable for:

Cu-e18ekeaCs-e21ekeaCu-e21ekeaCu-e15ekeaCs-e18ekea

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