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Panasonic CU-E21CKE User Manual

Panasonic CU-E21CKE
100 pages
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1 Features 2
2 Functions
3
3 Product Specifications
6
4 Dimensions
10
5 Refrigeration Cycle Diagram
12
6 Block Diagram
13
7 Wiring Diagram
14
8 Operation Details
15
8.1. BASIC FUNCTION
15
8.2. Protection Control Features
32
9 Operating Instructions
44
10 Installation And Servicing Air Conditioner Using R410A
52
10.1. OUTLINE
52
10.2. TOOL FOR INSTALLING / SERVICING REFRIGERANT
PIPING
53
10.3. REFRIGERANT PIPING WORK
57
© 2003 Matsushita Industrial Corp. Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
CS-E18CKE CU-E18CKE
CS-E21CKE CU-E21CKE
10.4. INSTALLATION, TRANSFERRING, SERVICING 59
11 Installation Instructions
63
11.1. Safety Precautions
63
11.2. INDOOR UNIT
66
11.3. OUTDOOR UNIT
69
12 Servicing Information
72
12.1. Troubleshooting
72
12.2. Breakdown Self Diagnosis Function
74
12.3. Remote Control
76
12.4. Indoor Electronic Controllers Removal Procedures
77
12.5. Cross Flow Fan and Indoor Fan Motor Removal
Procedures
78
12.6. Outdoor Electronic Controller Removal Procedure
80
13 Technical Data
81
14 Exploded View
84
Room Air Conditioner
CONTENTS
Page Page
Order No. MAC0308013C2

Table of Contents

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Panasonic CU-E21CKE Specifications

General IconGeneral
BrandPanasonic
ModelCU-E21CKE
CategoryAir Conditioner
LanguageEnglish

Summary

1 Features

Product and Performance Features

Key product features including microcomputer control, modes, and quality improvements.

Serviceability and Environmental Aspects

Features for ease of maintenance, self-diagnosis, and use of eco-friendly refrigerant.

2 Functions

Remote Control Interface and Basic Operations

Explains remote control buttons and basic setup like timers and clock.

Indoor Unit Operational Features

Details on modes, switches, lamps, and controls of the indoor unit.

Outdoor Unit Protection and Control Features

Various protection mechanisms and operational controls for the outdoor unit.

3 Product Specifications

Performance and Efficiency Specifications

Details on cooling/heating capacity, EER, COP, and moisture removal.

Physical, Electrical, and Piping Data

Specifications for dimensions, weight, power, noise, and piping connections.

4 Dimensions

Indoor Unit Dimensions and Installation Layout

Detailed measurements and diagrams for the indoor unit and its mounting.

Outdoor Unit Dimensions and Clearances

Detailed measurements and diagrams for the outdoor unit and installation space.

5 Refrigeration Cycle Diagram

System Refrigeration Cycle Overview

Diagram illustrating the refrigeration cycle with components and flow.

Piping and Refrigerant Specifications

Table detailing piping sizes, lengths, and refrigerant requirements.

6 Block Diagram

Electrical System Architecture

Diagram showing the electrical connections between indoor and outdoor units.

7 Wiring Diagram

Indoor and Outdoor Unit Wiring

Detailed wiring connections for indoor and outdoor unit components.

Wiring Color Codes and Component Notes

Key for wire colors and compressor winding resistance values.

8 Operation Details

Core Operation Principles

Explains inverter control, internal temperature setting, and compressor frequency.

Mode-Specific Operations and Controls

Details on Cooling, Soft Dry, Heating, Auto, Quiet modes, and their specific controls.

Fan, Airflow, and Deodorizing Control

Management of fan speed, airflow direction, and deodorizing functions.

Timer, Special Modes, and Indicators

Covers timers, powerful mode, auto restart, and unit indicator lamps.

Comprehensive Protection Mechanisms

Overview of all protection controls for various operational conditions and modes.

De-icing and Frost Prevention Operations

Procedures and logic for de-icing and preventing freezing during operation.

9 Operating Instructions

Product Overview and Basic Setup

Visual overview of units and initial preparation steps.

Unit Operation and Mode Selection

Step-by-step guide for starting and operating the unit in different modes.

Remote Control and Timer Usage

How to use remote control for airflow, timers, and special modes.

Maintenance, Troubleshooting, and Safety

Instructions for care, common issue resolution, and essential safety guidelines.

10 Installation And Servicing Air Conditioner Using R410A

R410A Refrigerant and Safety Precautions

Details on R410A refrigerant characteristics and safety handling guidelines.

Tools and Materials for Installation

Lists required ordinary and R410A specific tools for installation work.

Piping Work Procedures and Techniques

Steps for cutting, flaring, connecting, and managing refrigerant piping.

Refrigerant Handling and Charging

Procedures for inspecting gas leaks, evacuating, and recharging refrigerant.

Brazing and Installation Steps

Techniques for brazing and overall installation process guidelines.

System Evacuation and Connections

Procedures for evacuating the system and connecting pipes and cables.

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