Panasonic CS-E21EKU User Manual

1 Safety Precautions 3
2 Specification
5
2.1. CS-E18EKU CU-E18EKU
5
2.2. CS-E21EKU CU-E21EKU
7
3 Location of controls and components
9
3.1. Indoor Unit
9
3.2. Outdoor Unit
9
3.3. Remote Control
9
4 Dimension
10
4.1. Indoor Unit & Remote Control
10
4.2. Outdoor Unit
11
5 Refrigeration Cycle Diagram
12
6 Block Diagram
13
7 Wiring Diagram
14
7.1. CS-E18EKU CS-E21EKU
14
7.2. CU-E18EKU CU-E21EKU
15
© 2005 Panasonic HA Air-Conditioning (M) Sdn Bhd
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
CS-E18EKU CU-E18EKU
CS-E21EKU CU-E21EKU
8 Printed Circuit Board 16
8.1. Indoor Unit
16
8.2. Outdoor Unit
17
9 Installation Instructions
18
9.1. Select The Best Location
18
9.2. Indoor Unit
19
9.3. Outdoor Unit
23
10 Operation And Control
26
10.1. Basic Function
26
10.2. Protection Control
31
11 Servicing Mode
33
11.1. Auto Switch Operation
33
11.2. Indicator Panel
33
12 Troubleshooting Guide
34
12.1. Refrigeration Cycle System
34
Air Conditioner
CONTENTS
Page Page
Order No: MAC0512115C1

Panasonic CS-E21EKU Specifications

General

Brand	Panasonic
Model	CS-E21EKU
Category	Air Conditioner
Language	English

Summary

Safety Precautions

Specifications

CS-E18EKU CU-E18EKU Specifications

CS-E21EKU CU-E21EKU Specifications

Refrigeration Cycle Diagram

Installation Instructions

Selecting the Best Location

Guidelines for choosing the optimal installation location for indoor and outdoor units.

Indoor Unit Installation Procedure

Steps for fixing the installation plate and mounting the indoor unit.

Indoor Unit Piping and Wiring Connection

Procedures for connecting pipes, drain hose, and electrical wiring for the indoor unit.

Outdoor Unit Installation and Piping Connection

Steps for mounting the outdoor unit and connecting the refrigerant piping.

Equipment Evacuation Procedure

Procedure for removing air from the refrigeration system before operation.

Outdoor Unit Wiring, Insulation, and Testing

Outdoor unit electrical wiring, pipe insulation, drain water, and performance checks.

Operation and Control Functions

Basic Operation and Modes

Protection and Safety Controls

Safety Control Features Overview

Details on various protection mechanisms for safe and reliable operation.

Servicing Mode Operations

Auto Switch Operation Modes

Troubleshooting Guide

Refrigeration Cycle Troubleshooting

Diagnosing issues related to the refrigeration cycle of the air conditioner.

Breakdown Self Diagnosis and Error Codes

Information on self-diagnosis functions and error code interpretation.

Disassembly and Assembly Instructions

Technical Data