Panasonic CU-PW18GKE User Manual

© 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0701003C2
Air Conditioner
CS-PW18GKE CU-PW18GKE
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions----------------------------------------------- 3
2 Specifications ----------------------------------------------------- 5
3Features------------------------------------------------------------- 7
4 Location of Controls and Components ------------------- 8
4.1. Indoor Unit--------------------------------------------------- 8
4.2. Outdoor Unit ------------------------------------------------ 8
4.3. Remote Control -------------------------------------------- 8
5Dimensions--------------------------------------------------------- 9
5.1. Indoor Unit & Remote Control-------------------------- 9
5.2. Outdoor Unit -----------------------------------------------10
6 Refrigeration Cycle Diagram --------------------------------11
7 Block Diagram----------------------------------------------------12
8 Wiring Connection Diagram ---------------------------------13
9 Electronic Circuit Diagram -----------------------------------14
9.1. Indoor Unit--------------------------------------------------14
9.2. Outdoor Unit -----------------------------------------------14
10 Printed Circuit Board ------------------------------------------ 15
10.1. Indoor Unit ------------------------------------------------- 15
10.2. Outdoor Unit----------------------------------------------- 17
10.3. Indicator & Receiver------------------------------------- 18
11 Installation Instruction ---------------------------------------- 19
11.1. Select The Best Location ------------------------------ 19
11.2. Indoor/Outdoor Unit Installation Diagram ---------- 19
11.3. Indoor Unit ------------------------------------------------- 20
11.4. Outdoor Unit----------------------------------------------- 23
12 Operation And Function-------------------------------------- 25
12.1. Heating Operation --------------------------------------- 25
12.2. Cooling Operation---------------------------------------- 26
12.3. Soft Dry Operation--------------------------------------- 27
12.4. Automatic Operation ------------------------------------ 28
12.5. Operation Control---------------------------------------- 29
12.6. Indoor Fan Speed Control ----------------------------- 34

Panasonic CU-PW18GKE Specifications

General

Cooling Capacity	5.0 kW
Power Supply	220-240 V, 50 Hz
Refrigerant	R32
Type	Split System
Noise Level (Outdoor)	50 dB(A)

Summary

Safety Precautions and Warnings

Safety Warnings and Precautions

Details critical safety warnings, cautions, and general precautions for handling the unit, including electrical safety and operational risks.

Electronic Circuit Diagrams

Indoor Unit Electronic Circuit

Presents the electronic circuit diagram for the indoor unit, showing component connections and logic.

Outdoor Unit Electronic Circuit

Presents the electronic circuit diagram for the outdoor unit, detailing its electrical connections.

Outdoor Unit Installation and Piping

Connecting Piping to Units

Detailed steps for flaring and connecting refrigerant piping to both indoor and outdoor units.

Operation and Function Modes

Heating Operation Details

Explains the functionality and time diagram for the heating operation mode.

Cooling Operation Details

Explains the functionality and time diagram for the cooling operation mode.

Operation Control Logic

Restart and Forced Operation Controls

Explains time delay safety, 60-second forced operation, and time save controls for compressor operation.

Troubleshooting the Refrigeration Cycle

Refrigeration Cycle Diagnostics

Provides standard pressure and temperature values for diagnosing refrigeration cycle issues.

Troubleshooting System Conditions

Air Conditioner Condition Analysis

Relates air conditioner conditions to pressure and electric current readings for diagnosis.

Component Malfunction Diagnosis

Methods for diagnosing compressor and 4-way valve malfunctions based on symptoms.

Technical Data and Characteristics

Operation Performance Graphs

Graphs illustrating cooling and heating performance characteristics versus outdoor temperature and piping length.