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Sanyo KH2442 / CH2442 User Manual

Sanyo KH2442 / CH2442
202 pages
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85464849182000 REFERENCE NO. SM830082
FILE NO.
TECHNICAL DATA
&
SERVICE MANUAL
1
2
3
4
Section
5
XH2442 / CH2442
XH3642 / CH3642
XH4242 / CH4242
TH2442 / CH2442
TH3642 / CH3642
TH4242 / CH4242
KH2442 / CH2442
KH3642 / CH3642
UH2442 / CH2442
UH3642 / CH3642
SPLIT SYSTEM AIR CONDITIONER
OUTDOOR MODEL No. PRODUCT CODE No.
CH2442 854 017 21
CH3642 854 017 22
CH4242 854 017 23
INDOOR MODEL No. PRODUCT CODE No.
XH2442 854 017 11
XH3642 854 017 12
XH4242 854 017 13
TH2442 854 017 14
TH3642 854 017 15
TH4242 854 017 16
KH2442 854 017 07
KH3642 854 017 08
UH2442 854 017 19
UH3642 854 017 20
XH2442 XH3642
XH4242
CH3642
CH4242
CH2442
UH2442
TH2442
TH3642
TH4242
KH2442
KH3642
Indoor Unit Outdoor Unit
UH3642

Table of Contents

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Sanyo KH2442 / CH2442 Specifications

General IconGeneral
BrandSanyo
ModelKH2442 / CH2442
CategoryAir Conditioner
LanguageEnglish

Summary

Please Read Before Starting

General Safety and Operation Precautions

Key safety and operational guidelines for installers and service personnel.

SPECIAL PRECAUTIONS

Important warnings and guidelines before performing installation or service.

WHO SHOULD USE THIS MANUAL

1. SPECIFICATIONS

1-1 Unit Specifications

Detailed performance and electrical specifications for various model combinations.

1-7 Cooling Capacity

Presents detailed cooling capacity data based on varying indoor and outdoor temperatures.

1-8 Heating Capacity

Presents detailed heating capacity data based on varying indoor and outdoor temperatures.

1-13 Installation Instructions

Comprehensive guidelines covering tubing length, elevation, site selection, and snow area precautions.

2. PROCESSES AND FUNCTIONS

2-1 Room Temperature Control

Explains how the unit regulates room temperature by cycling the compressor.

2-5 Freeze Prevention (Cooling)

Mechanism to prevent indoor heat exchanger coil freezing.

2-8 Discharge Temperature Control (Cooling and Heating)

Prevents compressor motor burnout by controlling discharge gas temperature.

2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating)

Describes the defrost system's operation to remove frost from the outdoor coil.

2-15 Compressor Current Detection Circuit

Circuit that detects compressor current to prevent damage.

3. ELECTRICAL DATA

3-1 Indoor Units (Electric Wiring Diagram, Schematic Diagram)

Wiring diagrams and schematics for various indoor unit types.

3-2 Outdoor Units (Electric Wiring Diagram, Schematic Diagram)

Wiring diagrams and schematics for outdoor units.

4. SERVICE PROCEDURES

4-1 Troubleshooting

Provides guidance on diagnosing and resolving unit malfunctions using flow charts and alarm messages.

4-2 Checking the Electrical Components

Detailed procedures for checking electrical components for proper function.

Meanings of alarm messages

Lists and explains various alarm messages displayed on the remote controller for troubleshooting.

Symptoms and parts to inspect

Troubleshooting flowcharts for common symptoms like communication errors and component failures.

Service Functions of Optional Wired Remote Controller

Explains how to use remote controller service functions like test run and sensor checks.

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