Panasonic CU-C73KECS-C93KE User Manual

Service Manual
Room Air Conditioners
Contents
● Features ..........................................................1
● Functions ...................................................2 – 4
● Product Specifications .............................5 – 10
● Dimensions ............................................11 – 12
● Refrigeration Cycle Diagram .........................13
● Block Diagram ............................................... 14
● Wiring Diagram ..............................................15
● Operation Details ...................................16 – 23
● Installation Information ..........................24 – 25
● 2-way, 3-way Valves..............................26 – 32
● Servicing Information .............................33 – 36
● Troubleshooting Guide ..........................37 – 38
● Technical Data.......................................39 – 40
● Exploded View ...................................41, 43, 45
● Replacement Parts List .....................42, 44, 46
● Electronic Parts List .......................................47
CS-C73KE / CU-C73KE
CS-C93KE / CU-C93KE
CS-C123KE / CU-C123KE
ORDER NO. MAC9810034C2
 1998 Matsushita Air-Conditioning Corp. Sdn. Bhd.
(183914D)
All rights reserved. Unauthorized copying and distribu-
tion is a violation of law.
Untitled-2 6/28/00, 5:22 PM1

Panasonic CU-C73KECS-C93KE Specifications

General

Brand	Panasonic
Model	CU-C73KECS-C93KE
Category	Air Conditioner
Language	English

Summary

Service Manual

Features

Describes key attributes like high efficiency, compact design, and operational improvements.

Functions

Details remote control operations, mode selections, and fan speed controls.

Product Specifications

Lists technical data including cooling capacity, airflow, electrical specs, and dimensions.

Dimensions

Provides physical measurements and installation clearances for indoor and outdoor units.

Refrigeration Cycle Diagram

Illustrates the refrigerant flow path through the system's main components.

Block Diagram

Shows the overall system architecture and interconnections of electronic controls.

Wiring Diagram

Details the electrical connections for indoor and outdoor units, including component layout.

Operation Details

Explains various operating modes like Cooling, Soft Dry, Sleep, Powerful, and Economy.

Installation Information

Covers best location selection for indoor/outdoor units and basic installation guidelines.

2-way, 3-way Valve Operation

Details the operation and settings for 2-way and 3-way refrigerant valves during installation and servicing.

Servicing Information

Provides procedures for inspection and removal of internal components like fan motors and evaporators.

Troubleshooting Guide

Helps diagnose and resolve common air conditioner malfunctions based on symptoms.

Technical Data

Presents performance characteristics, thermostat, and operation data with graphical charts.

Exploded View

Illustrates the assembly of parts for disassembly and replacement procedures.

Replacement Parts List

Lists part numbers, quantities, and model compatibility for various components.

Electronic Parts List

Details the electronic components used on the indoor unit's printed circuit board.