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Panasonic CS-A125KE User Manual

Panasonic CS-A125KE
98 pages
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1 Features 2
2 Functions
3
3 Product Specifications
6
4 Dimensions
12
5 Refrigeration Cycle Diagram
14
6 Block Diagram
15
7 Wiring Diagram
16
8 Operation Details
17
9 Operating Instructions
33
10 Installation Instructions
57
11 2-way, 3-way Valve
66
© 2000 Matsushita Air-Conditioning Corp. Sdn. Bhd.
(183914D) All rights reserved. Unauthorized copying
and distribution is a violation of law.
CS-A75KE CU-A75KE
CS-A95KE CU-A95KE
CS-A125KE CU-A125KE
12 Servicing Information 73
13 Troubleshooting Guide
76
14 Technical Data
78
15 Exploded View
83
16 Replacement Parts List
84
17 Exploded View
85
18 Replacement Parts List
86
19 Exploded View
87
20 Replacement Parts List
88
21 Electronic Parts List
89
22 Electronic Circuit Diagram
90
Room Air Conditioner
CONTENTS
Page Page
Order No: MAC0010049C2

Table of Contents

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Panasonic CS-A125KE Specifications

General IconGeneral
Indoor Unit Weight9 kg
Outdoor Unit Weight30 kg
Power Supply220-240 V, 50 Hz
TypeSplit System
Outdoor Unit Dimensions (W x H x D)780 x 540 x 259 mm

Summary

1 Features

High Efficiency

Details the energy-saving and performance enhancement features of the air conditioner.

Comfort Environment

Covers features enhancing user comfort like sleep mode and air purification.

Product Enhancements

Summarizes improvements in quality, service, and operation for better user experience.

Air Purification Features

Highlights the filters' role in removing odors, dust, and improving air quality.

Installation & Design Features

Covers compact design, remote features, and installation flexibility like long piping.

2 Functions

Remote Control Operation

Details the functions and buttons of the remote control for unit operation.

Operation Modes & Settings

Covers selecting modes (Auto, Cool, Heat, Dry), fan speed, airflow, power/economy modes, timers, and clock.

Comfort & Convenience Features

Explains sleep mode, auto-restart, and temperature setting adjustments.

Indoor Unit Operations

Automatic Operation Controls

Explains the automatic start button, operation lamps, and mode indications.

Operational Modes & Features

Details powerful, economy, auto-restart, anti-freezing, and sleep mode operations.

Fan Speed & Airflow Control

Describes indoor fan speed settings and airflow direction adjustments.

Safety & Performance Controls

Covers time delay, safety controls, hot-start, and anti-cold draft features.

Outdoor Unit Controls

Compressor & Fan Protection

Details controls for compressor reverse rotation, overload, and fan operation protection.

Deicing & Overload Protection

Explains deicing mechanisms and overload protection for outdoor components.

Compressor & Valve Controls

Covers compressor protection logic and the function of the 4-way valve.

3 Product Specifications

4 Dimensions

Unit Views and Dimensions

Provides front, side, and back views with detailed measurements.

Remote Transmitter Dimensions

Shows the size and layout of the remote control transmitter.

Installation Plate Alignment

Details the relative positioning of the indoor unit and its mounting plate.

5 Refrigeration Cycle Diagram

6 Block Diagram

7 Wiring Diagram

Wire Color Code and Remarks

Lists remarks for wire colors used in the diagram.

Fan Motor Winding Resistance

Provides resistance values for indoor and outdoor fan motor windings.

Compressor Winding Resistance

Lists the resistance values for the compressor windings.

8 Operation Details

8.1. Cooling Mode Operation

Explains the sequence and controls for the unit's cooling mode.

8 Operation Details

Compressor Protection Control

Details mechanisms to protect the compressor from damage during operation.

Automatic Fan Speed Mode

Describes how fan speed adjusts automatically during cooling operation.

8 Operation Details

Cooling Operation Time Diagram

Illustrates the timing of operations during cooling mode.

8 Operation Details

8.2. Soft Dry Mode Operation

Explains the functions and controls for the soft dry (dehumidification) mode.

8 Operation Details

Soft Dry Operation Time Diagram

Illustrates the timing of operations during soft dry mode.

8 Operation Details

8.3. Heating Mode Operation

Details the functions and controls for the unit's heating mode.

8 Operation Details

Hot Start Control

Explains how the unit delays fan start until the heat exchanger warms up.

Anti Cold Draft Control

Describes how the unit prevents cold air drafts during heating.

8 Operation Details

Automatic Fan Speed Mode

Describes fan speed adjustments based on temperature during heating.

Heating Operating Time Diagram

Illustrates the timing of operations during heating mode.

8 Operation Details

Deicing Control

Explains the process to prevent outdoor heat exchanger frosting during heating.

8 Operation Details

Normal Deicing Time Diagram

Shows the timing sequence for normal deicing operations.

Overload Deicing Time Diagram

Illustrates the timing for deicing triggered by overload conditions.

8 Operation Details

8.4. Automatic Mode Operation

Details how the unit automatically selects the operating mode based on conditions.

8 Operation Details

8.5. Sleep Mode Auto Operation

Explains the automatic adjustment for comfortable sleeping conditions.

8.6. Random Auto Restart Control

Describes the random delay restart feature after power failure.

8.7. Delay ON Timer Control

Details the function of the timer that starts operation before the set time.

8.8. Remote Control Signal Receiving Sound

Explains the beep sounds for remote control operations and how to disable them.

8 Operation Details

8.9. Indoor Fan Speed Control

Details manual and automatic fan speed adjustments and random low speed.

8 Operation Details

8.10. Airflow Direction Control

Explains vertical and horizontal airflow adjustments for cooling, heating, and soft dry modes.

8 Operation Details

8.11. Economy Mode Operation

Details how to use economy mode for reduced power consumption.

8 Operation Details

8.12. Powerful Mode Operation

Explains how to use powerful mode for quick temperature attainment.

9 Operating Instructions

SAFETY PRECAUTIONS

General safety guidelines to prevent injury and property damage during operation.

Installation Precautions

Specific safety warnings and mandatory actions related to unit installation.

9 Operating Instructions

Operation Precautions

Safety warnings and mandatory actions for operating the unit safely.

NAME OF EACH PART

Indoor Unit Components

Identifies the parts of the indoor unit, including vents, indicators, and filters.

Front Panel Details

Shows how to open the front panel and access internal components like filters.

NAME OF EACH PART

Outdoor Unit Components

Identifies the parts of the outdoor unit, including vents, piping, and terminals.

Included Accessories

Lists the accessories provided with the air conditioner unit.

Remote Control Layout

Remote Control Interface

Details the buttons and display of the remote control, including cover-opened view.

Remote Control Usage

Remote Control Usage Guide

Provides instructions on how to use the remote control effectively, including distance and aiming.

Back Cover Access

Shows how to open the back cover of the remote control for reset or access.

PREPARATION BEFORE OPERATION

Indoor Unit Preparation

Steps to prepare the indoor unit before initial operation, including plug insertion and filter installation.

Operating Conditions & Notes

Important notes on electricity usage and recommended operating conditions.

Remote Control Setup

Inserting Batteries

Guides on how to insert batteries into the remote control correctly.

Setting the Clock

Step-by-step instructions for setting the current time on the remote control.

Battery Information

Advice on battery usage, replacement, and storage.

HOW TO OPERATE

Basic Operation Modes

Explains how to select modes like Auto, Cooling, Soft Dry, and Fan.

Operation Details by Mode

Provides specific details on cooling and auto operation, including temperature settings.

HOW TO OPERATE

Adjusting Airflow Direction and Fan Speed

Guides on adjusting fan speed and vertical/horizontal airflow direction.

Heating Operation Details

Explains defrosting and automatic airflow adjustments during heating.

SETTING THE TIMER

Setting ON and OFF Timers

Step-by-step instructions for setting ON and OFF timers using the remote.

Timer Cancellation and Details

How to cancel timers and details on timer operation timing.

SETTING THE TIMER

Recommended Timer Settings

Examples of timer usage for sleep, waking up, going out, and returning.

Timer Usage Notes

Important notes regarding timer display and the TIMER LED indication.

CONVENIENCE OPERATION

Sleep Mode Operation

Explains how to activate and operate the sleep mode for comfortable night-time use.

CONVENIENCE OPERATION

Economy and Powerful Mode Operation

Details the operation and effects of Economy and Powerful modes.

Mode Operation Details

Summarizes temperature and airflow changes for Economy and Powerful modes.

CARE AND MAINTENANCE

Cleaning the Indoor Unit and Remote Control

Instructions for gently cleaning the indoor unit and remote control.

Cleaning the Air Filter

Step-by-step guide for removing, cleaning, and reinstalling air filters.

CARE AND MAINTENANCE

Front Panel Cleaning and Removal

Procedures for safely removing, cleaning, and reattaching the front panel.

CARE AND MAINTENANCE

Replacing Air Purifying Filters

Guidance on when and how to replace air purifying filters for optimal performance.

Filter Removal and Installation

Step-by-step instructions for removing and reinstalling the air purifying filters.

Pre-season Inspection

Pre-season Inspection Checks

Checks to perform before initial use, like air discharge temperature and obstructions.

Long-Term Storage Procedures

Steps for preparing the unit for extended periods of non-use, including drying and power disconnection.

Recommended Periodic Inspection

Advice on regular inspections to maintain performance and prevent issues.

TROUBLESHOOTING

Normal Operation Queries

Addresses common normal operation sounds and visual phenomena.

Heating Operation Issues

Explains why heating operation might stop temporarily or fan behavior.

Auto Fan Operation

Discusses occasional fan stops during auto fan settings.

TROUBLESHOOTING

Abnormal Operation Symptoms

Lists symptoms of abnormal operation like no operation or loud noise.

Dealer Contact Scenarios

Identifies critical conditions requiring immediate dealer contact.

HELPFUL INFORMATION

Auto Operation Button Usage

Explains how to use the auto operation button for automatic mode activation.

Auto Restart & Timer Settings

Covers auto restart after power failure and timer settings after power issues.

Lightning Protection

Details the unit's surge protection and advice for strong lightning.

ENERGY SAVING AND OPERATION HINTS

Safety and Important Information

General Warning Statements

Crucial warnings regarding appliance safety, servicing, and environment.

Cautionary Notes

Important cautions for safe usage, especially when the unit is not in use.

Wiring and Connection Standards

Details on wire color coding and terminal connections for safety.

10 Installation Instructions

Required Tools for Installation Works

Lists all necessary tools for the installation process.

Installation Safety Precautions

Emphasizes critical safety measures and warnings for installation.

10 Installation Instructions

Installation CAUTIONs

Specific cautions related to grounding, flammable gas, and drainage.

Installation ATTENTIONs

Important considerations for installation location, power connection, and refrigerant handling.

10 Installation Instructions

Attached Accessories and Piping Kit

Lists included accessories and specifies applicable piping kits.

Location Selection Guidance

Provides guidelines for selecting the best locations for indoor and outdoor units.

10 Installation Instructions

Indoor Unit Installation Procedures

Detailed steps for mounting the indoor unit, drilling holes, and installing piping sleeves.

10 Installation Instructions

Embedded Piping Installation

Steps for routing and insulating pipes when using embedded piping.

Connecting Cables and Drain Hose

Procedures for inserting cables, managing covers, and connecting hoses.

10 Installation Instructions

Connecting Indoor Unit Cables

Steps to connect indoor unit cables, including wire color checks.

Piping Band Attachment and Filter Installation

Guidance on using piping bands and installing air purifying filters.

10 Installation Instructions

Outdoor Unit Installation and Piping Connection

Covers selecting outdoor location, mounting, and connecting piping to outdoor unit.

10 Installation Instructions

Piping Cutting and Flaring

Instructions for cutting, flaring, and checking copper pipes for leakage.

Evacuation and Pipe Insulation

Procedures for evacuating the system and insulating pipes to prevent water formation.

10 Installation Instructions

Outdoor Unit Drain Water Disposal

Advice on draining outdoor unit water, especially in freezing conditions.

Performance Evaluation and Checks

Steps for checking drainage and evaluating unit performance after installation.

11 Refrigerant Cycle Valves

2-way Valve Operations

Details the shaft positions and operations for the 2-way valve.

3-way Valve Operations

Details the shaft positions and service port operations for the 3-way valve.

11.1. Evacuation of Installation

11.2. Pumping Down

11.3. Evacuation of Re-installation

11.4. Balance Refrigerant

11.5. Evacuation

11.6. Gas Charging

12 Servicing Information

Indoor Electronic Controller Servicing

Steps to access and remove the indoor electronic controller and related components.

Indoor Fan Motor Removal

Procedures for removing the indoor fan motor and its components.

Cross Flow Fan Removal

Steps for removing the cross-flow fan assembly from the indoor unit.

12 Servicing Information

Cross Flow Fan Removal Procedure

Detailed steps for removing the cross-flow fan and associated parts.

12 Servicing Information

Remote Control Reset Procedure

How to reset the remote control if it malfunctions after battery changes.

Wireless Remote Transmission Code

Method for changing transmission codes to prevent interference with multiple units.

13 Troubleshooting Guide

13.1. Refrigeration Cycle System

Guide to diagnosing malfunctions based on refrigeration cycle parameters.

13 Troubleshooting Guide

Refrigerant Condition and Electric Current Relationship

How refrigerant levels affect pressure and electric current.

Compressor and 4-Way Valve Malfunction Diagnosis

Methods to diagnose faults in the compressor and 4-way valve.

14 Technical Data

Thermostat Characteristics

Graphs showing thermostat setpoints versus intake air temperature for different modes.

14 Technical Data

Sensible Capacity Chart

Tables detailing cooling and heating capacities based on various temperature conditions.

Operation Characteristics

CS-A75KE / CU-A75KE Performance

Performance curves for cooling and heating, and impact of piping length.

Operation Characteristics

CS-A95KE / CU-A95KE Performance

Performance curves for cooling and heating, and impact of piping length.

Operation Characteristics

CS-A125KE / CU-A125KE Performance

Performance curves for cooling and heating, and impact of piping length.

15 Exploded View

16 Replacement Parts List

17 Exploded View

18 Replacement Parts List

19 Exploded View

20 Replacement Parts List

21 Electronic Parts List

22 Electronic Circuit Diagram

SCHEMATIC DIAGRAM 1/3

The first part of the main electronic circuit diagram.

22 Electronic Circuit Diagram

SCHEMATIC DIAGRAM 2/3

The second part of the main electronic circuit diagram.

22 Electronic Circuit Diagram

SCHEMATIC DIAGRAM 3/3

The third part of the main electronic circuit diagram.

Using the Electronic Circuit Diagram

Voltage Measurement Guidelines

Instructions for taking voltage measurements using a digital tester.

TIMER TABLE Reference

A table detailing timer operations and their test mode durations.

22.1. REMOTE CONTROL

22.2. PRINT PATTERN

TOP VIEW PRINT PATTERN

Shows the physical layout of components on the top side of the indoor unit's PCB.

22.3. PRINT PATTERN

BOTTOM VIEW PRINT PATTERN

Shows the physical layout of components on the bottom side of the indoor unit's PCB.

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