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Sanyo C4272R Service Manual

Sanyo C4272R
180 pages
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85464849248002 REFERENCE NO. SM831148-2
FILE NO.
TECHNICAL DATA
&
SERVICE MANUAL
1
2
3
4
5
6
Section
XH2672R / CH2672R, C2672R
XH3672R / CH3672R, C3672R
XH4272R / CH4272R, C4272R
TH2672R / CH2672R, C2672R
TH3672R / CH3672R, C3672R
THH2672R / CH2672R
THH3672R / CH3672R
TH4272R / CH4272R, C4272R
KH2672R / CH2672R, C2672R
KH3072R / CH3072R, C3072R
KH3672R / CH3672R, C3672R
KHH2672R / CH2672R
UH2672R / CH2672R, C2672R
UH3672R / CH3672R, C3672R
SPLIT SYSTEM AIR CONDITIONER
XH2672R XH3672R
XH4272R
CH4272R, C4272R
UH2672R
TH2672R, THH2672R
TH3672R, THH3672R
TH4272R
CH2672R, C2672R
CH3072R, C3072R
CH3672R, C3672R
KH3072R
KH3672R
Indoor Unit Outdoor Unit
UH3672R
KHH2672R KH2672R
OUTDOOR MODEL No. PRODUCT CODE No.
CH2672R 854 028 20
CH3072R 854 028 21
CH3672R 854 028 22
CH4272R 854 031 87
C2672R 854 028 24
C3072R 854 028 25
C3672R 854 028 26
C4272R 854 031 88
INDOOR MODEL No. PRODUCT CODE No.
XH2672R 854 028 32
XH3672R 854 028 33
XH4272R 854 031 89
TH2672R 854 028 35
TH3672R 854 028 36
TH4272R 854 031 90
THH2672R 854 028 38
THH3672R 854 028 39
KH2672R 854 028 28
KH3072R 854 028 29
KH3672R 854 028 30
KHH2672R 854 028 31
UH2672R 854 028 40
UH3672R 854 028 41

Table of Contents

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Sanyo C4272R Specifications

General IconGeneral
BrandSanyo
ModelC4272R
CategoryAir Conditioner
LanguageEnglish

Summary

Specifications and Unit Data

Unit Specifications (All Models)

Detailed specifications for various indoor and outdoor unit models, including performance, electrical ratings, and features.

Major Component Specifications (Indoor Units)

Lists major internal components for indoor units, such as fan motors, coils, and safety devices.

Major Component Specifications (Outdoor Units)

Details major components for outdoor units, including compressors, fans, and heat exchangers.

Other Component Specifications (Indoor Units)

Specifies other indoor unit components like transformers, thermistors, drain pumps, and float switches.

Dimensional Data (Indoor Units)

Provides installation diagrams and measurements for various indoor unit types, including clearances.

Dimensional Data (Outdoor Units)

Presents installation diagrams and measurements for outdoor units, including required spaces.

Refrigerant Flow and Operating Range

Illustrates refrigerant flow paths and specifies operating temperature ranges for cooling and heating.

Heating Capacity and Noise Curves

Details heating capacity ratios and presents noise criterion curves for different unit types.

Installation and Wiring Guidelines

Covers tubing length, installation instructions, electrical wiring requirements, and precautions.

Wireless Remote Controller Setup

Instructions for setting up the wireless remote controller and configuring the indoor unit control PCB for wireless operation.

System Processes and Functions

Room Temperature Control Logic

Explains the thermostat-controlled compressor operation for maintaining room temperature in cooling and heating.

Cold Draft Prevention and Fan Speed Control

Details the cold draft prevention function and automatic indoor fan speed adjustments for optimal comfort.

Advanced Control Functions

Outlines system controls for discharge temperature, current release, freeze prevention, and short-cycle prevention.

Outdoor Unit Control PCB Layout and Functions

Identifies components on the outdoor unit control PCB and explains their functions and settings.

Electrical Data and Diagrams

Indoor Unit Electrical Diagrams

Contains electrical wiring and schematic diagrams for various indoor unit types, detailing component connections.

Outdoor Unit Electrical Diagrams

Provides electrical wiring and schematic diagrams for different outdoor unit models, showing component interconnections.

Service Procedures and Troubleshooting

Alarm Message Interpretation

Explains meaning of alarm codes, display indicators, and potential causes of system malfunctions.

Symptoms, Parts Inspection, and Corrections

Correlates alarm symptoms with judgment conditions and provides guidance on parts inspection and correction.

Detailed Alarm Message Troubleshooting

Step-by-step troubleshooting flowcharts for specific alarms, aiding in diagnosing faults.

Thermistor Characteristics Table

Provides resistance values for temperature sensors at different temperatures, essential for sensor testing.

Outdoor Unit Maintenance Remote Control

Maintenance Remote Control Overview and Functions

Introduces the remote tool for EEPROM settings, monitoring alarms, and checking unit status.

Display Operations and Monitoring

Guides on using the remote controller for normal display operations, unit status, and temperature monitoring.

Outdoor Unit Alarm History and EEPROM Settings

Instructions for viewing outdoor unit alarm history and modifying EEPROM settings via the maintenance remote control.

Test Run Procedures

Test Run Preparation and Precautions

Covers essential checks before test runs, safety precautions, and customer interaction guidelines.

Test Run Execution with Remote Controller

Step-by-step guide for initiating and managing test runs using the remote controller and automatic address setting.

Self-Diagnostic Functions and Wiring Examples

Table of self-diagnostic functions, corrections, and examples of basic wiring diagrams for system setup.

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