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Panasonic CU-PC12DKD User Manual

Panasonic CU-PC12DKD
63 pages
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CS/CU-PC12DKD
CS/CU-PA12DKD
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 10
5 Refrigeration Cycle Diagram 12
6 Block Diagram 13
7 Wiring Diagram 15
8 Operation Details 17
9
Installation Insruction
31
10 2-way,3-way Valve
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. GMAC0504039C3
Guangzhou Matsushita Air Conditioner Co., Ltd.
(GMAC) All rights reserved. Unauthorized copying
and distribution is violation of law.
C
R
41
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59
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R
OFF
MODE TEMP
OFF/ON
ON
CANCEL SET
STD
TIMER
FAN SPEED
AIR SWING

Questions and Answers:

Panasonic CU-PC12DKD Specifications

General IconGeneral
BrandPanasonic
ModelCU-PC12DKD
CategoryAir Conditioner
LanguageEnglish

Summary

Product Features Overview

Air Conditioner Functions

Product Specifications Guide

Unit Dimensions and Layout

Refrigeration Cycle Diagram

System Block Diagram

Wiring Diagram Details

Operation Details and Modes

Cooling Mode Operation

Details the unit's operation when set to cooling mode, including safety controls and fan speed.

Soft Dry Mode Operation

Explains the unit's operation in Soft Dry mode, including its activation and duration.

Heating Mode Operation (PA12DKD)

Describes the heating mode operation specifics for the PA12DKD model, including safety features.

Deice Control Functionality

Explains the deicing operation to protect the outdoor unit from freezing in cold conditions.

Automatic Mode Operation

Details the automatic determination of operation modes based on temperature and conditions.

Air Circulation Mode Operation (PC12DKD)

Describes the air circulation mode for the PC12DKD model, focusing on warm air distribution.

Air Quality Sensor Control

Explains how the air quality sensor detects and indicates air pollution levels.

Demo Mode Operation Guide

Guides on activating and cancelling the demo mode for unit testing without the outdoor unit.

Ventilator Interlocking Unit Control

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

Remote Control Cursor Key Function

Explains how the cursor key on the remote indicates the ON/OFF status of the air conditioner.

Indoor Fan Motor Control

Details the control methods for the indoor fan speed, including automatic and manual adjustments.

Auto Restart Control Function

Describes the unit's automatic restart function after a power failure.

Airflow Direction Control

Covers automatic and manual control of the airflow direction louvers and their angles.

Installation Instructions

Safety Precautions for Installation

Outlines essential safety measures and warnings that must be followed during installation.

Indoor Unit Installation Procedures

Covers selecting the location, fixing the plate, drilling, and installing the indoor unit.

Outdoor Unit Installation Procedures

Covers selecting location, installing the outdoor unit, and connecting the piping.

2-way and 3-way Valve Operations

Evacuation of Installation Process

Outlines the procedure for evacuating air from the system during installation.

Pumping Down Refrigerant

Explains the pumping down procedure for refrigerant recovery, especially for re-installation.

Re-air Purging Procedure

Details the process of re-purging air from the system during re-installation.

Balance Refrigerant Charge

Guides on balancing the refrigerant charge using the 2-way and 3-way valves.

Evacuation (No Refrigerant)

Explains the evacuation process for a system with no prior refrigerant.

Gas Charging Procedure

Details the procedure for charging the system with the correct amount of refrigerant.

Disassembly of Unit Parts

Intake Grille Removal

Instructions for safely removing the intake grille assembly from the indoor unit.

Front Grille Removal

Steps for removing the front grille of the indoor unit, including cap and screw removal.

Electronic Controller Removal

Guides on removing the electronic controller and its related components from the indoor unit.

Discharge Grille Removal

Instructions for removing the discharge grille from the indoor unit.

Cross Flow Fan Removal

Details the process of removing the cross-flow fan and its motor from the indoor unit.

Troubleshooting Guide

Refrigeration Cycle System Issues

Guides on diagnosing issues related to the refrigeration cycle, including pressure and temperature readings.

AC Condition vs. Pressure/Current

Illustrates how air conditioner conditions affect pressure and electric current readings.

Compressor Malfunction Diagnosis

Provides methods to diagnose compressor malfunctions based on symptoms like current and pressure.

Technical Data and Characteristics

Thermostat Characteristics

Shows thermostat operational characteristics for cooling, soft dry, and heating modes.

Cooling Performance Characteristics

Presents cooling performance data based on outdoor temperature, voltage, and pressure.

Heating Performance Characteristics

Presents heating performance data based on outdoor temperature, voltage, and pressure.

Exploded View Diagrams

Replacement Parts List (CS-PA12DKD)

Exploded View Diagrams (Outdoor)

Replacement Parts List (CU-PC12DKD)

Electronic Diagram Schematics

Remote Controller (PA12DKD) Schematic

Shows the electronic schematic for the PA12DKD model remote controller.

Remote Controller (PC12DKD) Schematic

Shows the electronic schematic for the PC12DKD model remote controller.

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