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Panasonic CS-E12NKDW User Manual

Panasonic CS-E12NKDW
145 pages
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© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011.
Unauthorized copying and distribution is a violation of law.
Order No: PHAAM1112080C2
Indoor Unit Outdoor Unit
CS-E7NKDW
CS-E9NKDW
CS-E12NKDW
CS-E15NKDW
CS-E18NKDW
CU-E7NKD
CU-E9NKD
CU-E12NKD
CU-E15NKD
CU-E18NKD
Please file and use this manual together with the service manual for Model No. U-2E18CBPG, Order No. RAC0209005C2, Model No.
U-3E18JBE, U-4E23JBE, Order No. PHAAM1004141C2 and Model No. U-2E15GBE, Order No. MAC0704001A2.
PRECAUTION OF LOW TEMPERATURE
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
WARNING

Table of Contents

Questions and Answers:

Panasonic CS-E12NKDW Specifications

General IconGeneral
BrandPanasonic
ModelCS-E12NKDW
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

General Safety Warnings and Precautions

Covers essential safety guidelines and warnings for servicing and installation.

Specifications

Model Specifications Overview

Detailed technical specifications for cooling and heating performance.

Features

Key Technology Features

Highlights inverter technology, air purification, long piping, and serviceability.

Location of Controls and Components

Indoor Unit Controls and Components

Identifies and locates controls and components on the indoor unit.

Outdoor Unit Components

Identifies and locates components on the outdoor unit.

Remote Control Layout

Details the buttons and display of the remote control unit.

Dimensions

Indoor Unit Dimensions

Provides physical dimensions for indoor units for installation planning.

Outdoor Unit Dimensions

Provides physical dimensions for outdoor units for installation planning.

Refrigeration Cycle Diagrams

Refrigeration Cycle for E7/9/12/15NKD Models

Illustrates the refrigeration cycle for specific indoor/outdoor unit combinations.

Refrigeration Cycle for E18NKD Model

Illustrates the refrigeration cycle for the E18NKD model.

Block Diagrams

Block Diagram for E7/9/12/15NKD Models

Shows the block diagram for specific indoor/outdoor unit models.

Block Diagram for E18NKD Model

Shows the block diagram for the E18NKD model.

Wiring Connection Diagrams

Indoor Unit Wiring Diagram

Wiring connections for the indoor units.

Outdoor Unit Wiring Diagram

Wiring connections for the outdoor units.

Electronic Circuit Diagrams

Indoor Unit Electronic Circuit Diagram

Detailed electronic circuit for indoor units.

Outdoor Unit Electronic Circuit Diagram

Detailed electronic circuit for outdoor units.

Printed Circuit Board Layouts

Indoor Unit Printed Circuit Boards

Layouts of main, indicator, HV, comparator, and sensor PCBs for indoor units.

Outdoor Unit Printed Circuit Boards

Layouts of printed circuit boards for outdoor units.

Installation Instructions

Location Selection for Indoor and Outdoor Units

Guidelines for choosing optimal installation locations for both units.

Indoor Unit Installation Procedures

Steps for fixing installation plates, drilling holes, and installing sleeves.

Piping Connection and Preparation

Procedures for cutting, flaring, and connecting refrigerant pipes.

Outdoor Unit Installation and Cable Connection

Steps for installing the outdoor unit and connecting cables.

Refrigeration System Evacuation

Procedure for evacuating the refrigeration system.

Piping Insulation

Guidelines for insulating refrigerant piping to prevent condensation.

Operation and Control

Basic Operation Modes

Explains core functions like cooling, dry, heating, and auto operation.

Fan Speed Control

Details manual and automatic fan speed settings.

Airflow Direction Adjustment

How to adjust vertical and horizontal airflow directions.

Quiet and Powerful Operation Modes

How to use quiet and powerful modes for comfort.

Timer and Auto Restart Functions

Operation of timer settings and auto restart after power loss.

Indication Panel and Special Modes

Explanation of indicator lights and nanoe-G operation.

ECONAVI and AUTO COMFORT Operation

Energy-saving features using presence and activity detection.

Multi Split Connection Operation Control

Cooling and Soft Dry Operation Control

Operation controls for cooling and soft dry modes in multi-split systems.

Heating Operation Control

Operation controls for heating mode in multi-split systems.

Automatic, Fan, and Special Mode Controls

Automatic, fan, powerful, and other mode controls for multi-split systems.

Protection Controls

General Operation Protection Controls

Covers restart, current, IPM, and compressor protection.

Cooling & Soft Dry Operation Protection

Protection mechanisms for cooling and soft dry modes.

Heating Operation Protection

Protection mechanisms for heating operations.

Servicing Modes

Auto OFF/ON Button Functions

Using the Auto OFF/ON button for operation modes and test runs.

Remote Control Settings and Resets

Functions for setting transmission codes, clearing memory, and adjusting display.

Troubleshooting Guide

Refrigeration Cycle System Troubleshooting

Diagnosing issues related to pressure, temperature, and current.

Breakdown Self-Diagnosis Function

Using the self-diagnosis system to identify and clear errors.

Error Code Reference

A comprehensive table of error codes and their meanings.

Specific Malfunction Diagnosis Methods

Step-by-step troubleshooting for common error codes (H11, H12, etc.).

Disassembly and Assembly Instructions

Indoor Unit Component Disassembly

Procedures for removing front grille, controller, fan, and other parts.

Outdoor Unit Controller Removal

Steps to safely remove the electronic controller from the outdoor unit.

Technical Data - Operation Characteristics

CS-E7NKD Operation Characteristics

Performance data graphs for cooling and heating.

CS-E9NKD Operation Characteristics

Performance data graphs for cooling and heating.

CS-E12NKD Operation Characteristics

Performance data graphs for cooling and heating.

CS-E15NKD Operation Characteristics

Performance data graphs for cooling and heating.

CS-E18NKD Operation Characteristics

Performance data graphs for cooling and heating.

Technical Data - Sensible Capacity Chart

Sensible Capacity Data by Model

Charts showing sensible capacity for various models and conditions.

Exploded View and Replacement Parts List

Indoor Unit Exploded View and Parts

Visual breakdown of indoor unit parts with part numbers.

Outdoor Unit Exploded View and Parts

Visual breakdown of outdoor unit parts with part numbers.

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