Panasonic CU-PS24NKH 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 CU-PS24NKH Specifications

General

Brand	Panasonic
Model	CU-PS24NKH
Category	Air Conditioner
Language	English

Summary

Safety Precautions

Wiring Connection Diagram

Indoor Unit Wiring

Wiring diagrams for various indoor unit models.

Outdoor Unit Wiring

Wiring diagrams for various outdoor unit models.

Electronic Circuit Diagram

Indoor Unit Circuits

Electronic circuit diagrams for indoor units.

Outdoor Unit Circuits

Electronic circuit diagrams for outdoor units.

Printed Circuit Board

Indoor Unit PCBs

PCB diagrams for indoor unit main and indicator boards.

Outdoor Unit PCBs

PCB diagrams for outdoor unit main and noise filter boards.

Installation Instruction

Location Selection

Guidance on selecting optimal installation sites for indoor and outdoor units.

Indoor Unit Installation

Outdoor Unit Installation

Equipment Evacuation

Operation Control

Basic Operation Functions

Protection Control

Restart Control

30 Seconds Forced Operation

Total Running Current Control

IPM Prevention Control

Low Pressure Prevention

Detects low pressure conditions indicating potential refrigerant leakage.

Compressor Tank Temperature Rise Protection

Outdoor Air Temperature Control

Cooling Overload Control

Freeze Prevention Control 1

Freeze Prevention Control 2

Servicing Mode

Auto Off/On Button Function

Troubleshooting Guide

Refrigeration Cycle Diagnosis

Diagnosing issues related to the refrigeration cycle and component performance.

Breakdown Self Diagnosis

Procedures for initiating and interpreting the unit's self-diagnosis function.

Error Code Table

Lists error codes, their causes, and primary verification locations.

Specific Error Code Diagnostics

Flowcharts for diagnosing various error codes (H11, H12, etc.).

Disassembly and Assembly Instructions

Indoor Unit Disassembly (PS9/12/18NKH)

Procedures for disassembling indoor units (PS9/12/18NKH).

Indoor Unit Disassembly (CS-PS24NKH)

Procedures for disassembling indoor units (PS24NKH).

Technical Data

Operation Characteristics

Exploded View and Replacement Parts List

Indoor Unit Parts

Exploded views and parts lists for indoor units (PS9/12/18NKH and PS24NKH).

Outdoor Unit Parts

Exploded views and parts lists for outdoor units (PS9/12NKH, PS18NKH, PS24NKH).