Panasonic CU-C181KE User Manual

Service Manual
Room Air Conditioners
Contents
● Features ..........................................................1
● Functions ...................................................2 – 4
● Product Specifications ...............................5 – 8
● Dimensions ..............................................9 – 10
● Refrigeration Cycle Diagram .........................10
● Block Diagram ............................................... 11
● Wiring Diagram ..............................................12
● Operation Details ...................................13 – 19
● Installation Information ..........................20 – 21
● 3-way Valves .........................................22 – 28
● Servicing Information .............................29 – 32
● Troubleshooting Guide ..........................33 – 34
● Technical Data.......................................35 – 36
● Exploded View .........................................37, 39
● Replacement Parts List ...........................38, 40
● Electronic Parts List .......................................41
CS-C181KE / CU-C181KE
CS-C241KE / CU-C241KE
ORDER NO. MAC9806008C2
 1998 Matsushita Air-Conditioning Corp. Sdn. Bhd.
(183914D)
All rights reserved. Unauthorized copying and distribu-
tion is a violation of law.
Untitled-8 6/19/00, 5:34 PM1

Panasonic CU-C181KE Specifications

General

Brand	Panasonic
Model	CU-C181KE
Category	Air Conditioner
Language	English

Summary

Features

Product Specifications

Wiring Diagram

Operation Details

Cooling Mode Operation

Explains cooling operation, including time delay and anti-freezing controls.

7 minutes Time Saved Control

Describes the compressor's automatic restart after 7 minutes of stoppage.

Anti-Freezing Control

Explains how the unit prevents freezing of the indoor heat exchanger.

Soft Dry Mode Operation

Explains the soft dry operation mode, including fan speed and cycle controls.

Air Circulation Mode Operation

Automatic Mode Operation

Explains how the unit automatically determines the operation mode based on intake air temperature.

Auto Restart Control

Installation Information

Evacuation of Installation

Pumping down

Evacuation of Re-installation

Evacuation

Gas charging

Servicing Information

Disassembly of the parts

Indoor Fan Motor removal procedure

Troubleshooting Guide

Refrigeration cycle system

Discusses diagnosing refrigeration cycle issues and normal operating parameters.

Relationship between the condition of the air conditioner and pressure and electric current

Analyzes how AC conditions relate to pressure and electric current measurements.

Diagnosis methods of a malfunction of a compressor

Provides methods to diagnose compressor malfunctions based on symptoms.

Technical Data

Thermostat characteristics

Operation characteristics

Presents cooling and piping length characteristics for different models.

Replacement Parts List

Replacement Parts List (CU Models)

Electronic Parts List

ELECTRONIC CIRCUIT DIAGRAM