Panasonic CS-PS18NKH User Manual

© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011.
Unauthorized copying and distribution is a violation of law.
Order No: PHAAM1111019C3
Indoor Unit Outdoor Unit
CS-PS9NKH
CS-PS12NKH
CS-PS18NKH
CS-PS24NKH
CU-PS9NKH
CU-PS12NKH
CU-PS18NKH
CU-PS24NKH
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-technical 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 products dealt with in this service information by anyone else could result in serious injury or death.
PRECAUTION OF LOW TEMPERATURE
In order to avoid frostbit, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.

Panasonic CS-PS18NKH Specifications

General

Brand	Panasonic
Model	CS-PS18NKH
Category	Air Conditioner
Language	English

Summary

Safety Precautions

General Safety Precautions

Essential safety guidelines for servicing and installation procedures.

Wiring Connection Diagram

7.1 Indoor Unit Wiring

Wiring connection diagrams for indoor units.

7.1.2 CS-PS12NKH Indoor Wiring

Wiring connection diagram for the CS-PS12NKH indoor unit.

7.2 Outdoor Unit Wiring

7.2.2 CU-PS12NKH Outdoor Wiring

7.2.3 CU-PS18NKH Outdoor Wiring

7.2.4 CU-PS24NKH Outdoor Wiring

Electronic Circuit Diagram

8.1 Indoor Unit Circuits

8.1.2 CS-PS12NKH Indoor Circuit

8.2 Outdoor Unit Circuits

8.2.2 CU-PS12NKH Outdoor Circuit

8.2.3 CU-PS18NKH Outdoor Circuit

8.2.4 CU-PS24NKH Outdoor Circuit

Printed Circuit Board

Installation Instruction

10.1 Location Selection

Guidelines for choosing optimal locations for indoor and outdoor units.

10.2 Indoor Unit Installation Steps

10.2.3 Indoor Unit Piping

10.2.4 Indoor Unit Cable Connection

10.3 Outdoor Unit Installation & Piping

Steps for installing the outdoor unit and connecting refrigerant piping.

10.3.3 Equipment Evacuation

Procedure for evacuating air from the refrigeration system.

10.3.4 Outdoor Unit Cable Connection

10.3.5 Piping Insulation

Operation Control

11.1 Basic Operation Functions

Protection Control

12.1 Restart and Forced Operation Controls

12.3 Running Current and IPM Protection

Controls for total running current and IPM protection.

12.5 Low Pressure & Compressor Temp Controls

Low pressure detection and compressor temperature rise protection.

12.10 Cooling Overload & Freeze Prevention

Controls for cooling overload and freeze prevention.

Servicing Mode

Troubleshooting Guide

14.1 Refrigeration Cycle System

Diagnosing malfunctions related to the refrigeration cycle.

14.1.1 Condition vs. Pressure/Current

14.2 Self Diagnosis Function

Procedures for self-diagnosis, displaying, and clearing error codes.

14.3 Error Code Table

Table listing error codes, abnormalities, and verification points.

14.4 Troubleshooting Flowcharts

Diagnostic flowcharts for various error codes and malfunctions.

Disassembly and Assembly Instructions

15.1 Indoor Unit Disassembly (CS-PS9/12/18NKH)

Step-by-step guide to disassemble indoor unit components.

15.2 Indoor Unit Disassembly (CS-PS24NKH)

Step-by-step guide to disassemble CS-PS24NKH indoor unit components.

Technical Data

16.1 Cooling Operation Characteristics

Performance data for cooling operation across various models and conditions.

Piping Length Characteristics

Exploded View and Replacement Parts List

17.1 Indoor Unit Parts List

Exploded diagrams and part numbers for indoor units.

17.2 Outdoor Unit Parts List

Exploded diagrams and part numbers for outdoor units.