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Panasonic CS-PW12DKE User Manual

Panasonic CS-PW12DKE
64 pages
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CS/CU-PW9DKE
CS/CU-PW12DKE
Air Conditioner
WARNING
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-techical 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.
1 Features 2
2 Functions 3
3 Product Specifications 6
4 Dimensions 11
5 Refrigeration Cycle Diagram 12
6 Block Diagram 13
7 Wiring Diagram 14
8 Operation Details 15
9
Installation instructions
29
10 Installation and Serving Air Conditioner Using R410A -----
11
Disassembly of The Parts
12 Troubleshooting Guide
13 Technical Data
14 Exploded View
15 Replacement Parts List
16 Exploded View
17 Replacement Parts List
18 Electronic Circuit Diagram
CONTENTS
Page Page
Order No.
Guangzhou Matsushita Air Conditioner Co., Ltd.
(GMAC) All rights reserved. Unauthorized copying
and distribution is violation of law.
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GMAC0504042C3
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Panasonic CS-PW12DKE Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Energy Efficiency Ratio (EER)3.21
Power Supply220-240V, 50Hz
RefrigerantR410A
Weight (Indoor Unit)9 kg
TypeSplit System
Coefficient of Performance (COP)3.61
Noise Level (Outdoor)50 dB(A)

Summary

Features

High Efficiency

Highlights the unit's energy-saving performance and operational advantages.

Air Quality Indicator

Details the system for monitoring and displaying indoor air quality levels.

Auto Restart Control

Explains the automatic restart function after a power interruption.

Timer Settings

Covers the 12-hour timer functionality for operation scheduling.

Environmental Friendliness

Discusses the eco-friendly aspects, including R410A refrigerant use.

Comfort Environment

Describes features enhancing the room's comfort, like air filtration.

Functions

Remote Control Operations

Details how to operate the air conditioner using the remote control.

Indoor Unit Operations

Explains the various functions and indicators of the indoor unit.

Outdoor Unit Operations

Covers the functions, controls, and protections of the outdoor unit.

Product Specifications

Dimensions

Indoor Unit Dimensions

Provides detailed measurements and diagrams for the indoor air conditioning unit.

Outdoor Unit Dimensions

Presents the dimensions and installation space requirements for the outdoor unit.

Refrigeration Cycle Diagram

Block Diagram

Wiring Diagram

Operation Details

Cooling Mode Operation

Details the sequence and controls for the air conditioner's cooling mode.

Automatic Fan Speed Mode

Explains how automatic fan speed is managed during cooling operation.

Soft Dry Mode Operation

Describes the operation, safety, and controls for the soft dry mode.

Automatic Fan Speed (Soft Dry)

Details automatic fan speed adjustments during soft dry mode operation.

Heating Mode Operation

Explains the operation, safety controls, and modes for heating.

Warm Booting Control

Describes the warm booting process during heating mode activation.

Automatic Fan Speed (Heating)

Details automatic fan speed adjustments during heating mode operation.

Deice Control

Explains the deicing operation to protect the outdoor unit from freezing.

Normal Deice Operation

Details the conditions and timing for normal deicing operations.

Overload Deicing Operation

Describes the deicing process triggered by outdoor fan overload conditions.

Automatic Mode Operation

Explains the criteria and process for determining the automatic operation mode.

Air Quality Sensor Control

Details the basic operation and resistance reference of the air quality sensor.

Air Quality Control

Explains how air quality is monitored and controlled, including indicator levels.

Air Quality Level and Indicator

Describes the different air quality levels and their corresponding indicator colors.

Forced Resetting

Explains the process and conditions for forced resetting of the air quality system.

Sensitivity Control of Air Quality Sensor

Details how to adjust the sensitivity of the air quality sensor via the remote.

Demo Mode Operation

Instructions for activating and cancelling the demonstration mode.

Ventilator Interlocking Unit Control

Explains the optional control of a ventilator based on air quality.

Cursor Key Functionality

Explains the role of the cursor key related to the ON/OFF status display.

Indoor Fan Motor Control

Details manual and automatic fan speed control options for the indoor unit.

Auto Restart Control

Describes the unit's behavior after a power failure when resuming operation.

Airflow Direction Control

Explains auto and manual control for airflow direction louvers.

Installation Instructions

Required Tools for Installation

Lists the necessary tools for performing the air conditioner installation.

Safety Precautions

Provides critical safety warnings and guidelines for installation procedures.

Cautionary Notes

Highlights important cautions regarding earthing, location, and handling of components.

Installation Location Selection

Gives guidance on choosing the optimal location for unit installation.

Attached Accessories

Lists the accessories included with the air conditioner unit for installation.

Indoor/Outdoor Unit Installation Diagram

Visual guide showing the placement and connection of indoor and outdoor units.

Indoor Unit Placement and Mounting

Details on selecting the best location and fixing the indoor unit installation plate.

Drilling Wall Hole and Installing Sleeve

Instructions for creating a wall opening for piping and installing a protective sleeve.

Embedded Piping Installation

Steps for installing piping when it is concealed within walls or structures.

Connecting Indoor Unit

Procedures for connecting the indoor unit, including piping and cables.

Pulling Piping and Drain Hose

Guidance on routing the piping and drain hose, especially for embedded installations.

Connecting Indoor Unit Cable

Detailed steps for connecting the electrical cable to the indoor unit terminals.

Front Grille Removal

Steps to remove the front grille for access to internal components.

Outdoor Unit Installation

Instructions for mounting the outdoor unit securely at the selected location.

Connecting Piping (Indoor/Outdoor)

Procedures for connecting refrigerant piping to both indoor and outdoor units.

Cutting and Flaring Piping

Techniques for cutting and flaring copper pipes according to specifications.

Evacuation of Equipment

Procedure for removing air and moisture from the refrigeration cycle.

Air Purging of Piping and Indoor Unit

Steps to remove remaining air and moisture from the refrigeration circuit.

Connecting Outdoor Unit Cable

Details on connecting the electrical cable to the outdoor unit's control board.

Pipe Insulation

Guidance on insulating refrigerant pipes to prevent condensation and heat loss.

Outdoor Unit Drain Water Disposal

Recommendations for disposing of drain water from the outdoor unit.

Check Drainage

Procedure for verifying proper drainage function after installation.

Performance Evaluation Checks

Checks to evaluate the unit's performance after installation, including temperature differences.

Installation and Serving Air Conditioner Using R410A

About R410A Refrigerant

Introduction to R410A refrigerant, its properties, and comparison with R22.

R410A Refrigerating Machine Oil

Discusses the types of oils compatible with R410A and handling precautions.

Safety Measures for Refrigerant Piping

Essential safety precautions when handling R410A refrigerant piping.

Tools for Servicing Refrigerant Piping

Lists necessary ordinary and R410A-specific tools for piping work.

R410A Tools Details

Provides specifics on R410A tools like gauges, flaring tools, and torque wrenches.

Manifold Gauge Differences

Compares R410A manifold gauges with conventional types.

Charging Hose and Vacuum Pump Adaptor

Details R410A charging hoses and vacuum pump adaptor requirements.

Electric Gas Leak Detector

Information on using a gas leak detector suitable for HFC refrigerants.

Electronic Scale for Refrigerant Charging

Explains the use of electronic scales for accurate refrigerant charging.

Refrigerant Cylinders and Fittings

Covers R410A refrigerant cylinder types and charging orifice requirements.

Piping Materials Requirements

Specifies the required types and thickness of copper pipes for R410A systems.

Piping Connection Process

Details the procedure for processing and connecting refrigerant piping materials.

R410A Flaring Dimensions

Provides tables for R410A flaring dimensions and torque specifications.

Piping Storage and Management

Guidance on storing and managing refrigerant pipe materials.

Copper Pipe Precautions

Specific advice on handling copper pipes to prevent contamination and damage.

Refrigerant Piping Work Precautions

General precautions to follow during refrigerant piping work.

Inspecting Gas Leaks with Vacuum Pump

Procedure for checking gas leaks using a vacuum pump for new installations.

Transferring Refrigerant (New Piping)

Steps for removing and transferring refrigerant when using new piping.

AC Unit Replacement (Existing Piping)

Checks and procedures for replacing AC units using existing refrigerant piping.

Refrigerant Compatibility (R410A vs R22)

Discusses compatibility issues between R410A and R22 AC systems.

Recharging Refrigerant During Servicing

Procedure for recharging refrigerant during maintenance or repair.

Liquid Refrigerant Charging

Detailed steps for charging liquid refrigerant using an electronic scale.

Brazing Procedures

Guidance on brazing techniques, emphasizing safety and quality.

Brazing Method for Preventing Oxidation

Methodology for brazing to prevent oxidation and ensure circuit integrity.

Servicing Tips (Drier Replacement)

Advice on replacing the drier component during servicing operations.

Disassembly of the parts

Intake Grille Removal

Step-by-step guide for removing the intake grille from the unit.

Front Grille Removal

Instructions for safely removing the front grille assembly.

Electronic Controller Removal

Steps to disassemble and remove the electronic control board and related components.

Discharge Grille Removal

Instructions for detaching and removing the discharge grille.

Cross Flow Fan Removal

Detailed steps for disassembling and removing the cross-flow fan assembly.

Remote Control Reset

Procedure for resetting the remote control if the display becomes chaotic.

Troubleshooting Guide

Refrigeration Cycle System Diagnostics

Guide to diagnosing issues related to the refrigeration cycle, including pressure and temperature.

Measuring Air Temperature Difference

Explains how to measure and interpret air temperature differences for diagnostics.

Measuring Electric Current

Procedure for measuring electric current to diagnose operational issues.

Measuring Gas Side Pressure

Methods for measuring gas side pressure to identify refrigerant or compressor problems.

Pressure and Current Relationship

Table showing how various conditions affect pressure and electric current.

Compressor Malfunction Diagnosis

Methods for diagnosing faults related to the compressor, such as insufficient compression or locking.

Technical Data

Thermostat Characteristics

Graphs illustrating thermostat behavior in cooling, soft dry, and heating modes.

CS/CU-PW9DKE Cooling Characteristics

Graphs showing cooling capacity, current, and pressure vs. outdoor temperature.

CS/CU-PW9DKE Heating Characteristics

Graphs showing heating capacity, current, and pressure vs. outdoor temperature.

CS/CU-PW9DKE Piping Length Characteristics (Cooling)

Graphs illustrating cooling performance variation with piping length.

CS/CU-PW9DKE Piping Length Characteristic (Heating)

Graphs showing heating performance variation with piping length.

CS/CU-PW12DKE Cooling Characteristics

Graphs showing cooling capacity, current, and pressure vs. outdoor temperature.

CS/CU-PW12DKE Heating Characteristics

Graphs showing heating capacity, current, and pressure vs. outdoor temperature.

CS/CU-PW12DKE Piping Length Characteristic (Cooling)

Graphs illustrating cooling performance variation with piping length.

CS/CU-PW12DKE Piping Length Characteristic (Heating)

Graphs showing heating performance variation with piping length.

Exploded View

Replacement Parts List

Exploded View

Replacement Parts List

Electronic Diagram

Remote Controller Circuit

Circuit diagram detailing the internal components and connections of the remote controller.

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