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Sanyo CH1271 - Service Manual

Sanyo CH1271
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TECHNICAL & SERVICE MANUAL
XHS1271 & PNR-XS1872 + CH1271
XHS1872 & PNR-XS1872 + CH1872
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Unit
Destination: North America
Outdoor Model No.
CH1271
CH1872
Product Code No.
1 852 330 22
1 852 330 38
Outdoor Unit
XHS1271 (Body) & PNR-XS1872 (Panel)
XHS1872 (Body) & PNR-XS1872 (Panel)
Wireless Remote Controller
Wired Remote Controller
(Option)
CH1271
CH1872
REFERENCE NO. SM700766
Indoor Model No.
Body (Panel)
XHS1271 (PNR-XS1872)
XHS1872 (PNR-XS1872)
Product Code No.
Body (Panel)
1 852 352 08 (1 852 352 11)
1 852 352 07 (1 852 352 11)
FILE NO.
Body
Panel

Table of Contents

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Sanyo CH1271 Specifications

General IconGeneral
BrandSanyo
ModelCH1271
CategoryAir Conditioner
LanguageEnglish

Summary

DC INVERTER SPLIT SYSTEM AIR CONDITIONER

Indoor Unit Components

Details the components of the indoor unit.

Outdoor Unit Components

Details the components of the outdoor unit.

Remote Controllers

Refers to the wireless and wired remote controllers for the unit.

Important Safety Precautions

Transporting & Installation Safety

Safety guidelines for moving and installing the air conditioner unit.

Wiring & Refrigerant Tubing Safety

Precautions for electrical wiring and refrigerant connections.

Electrical Checks & R410 A Servicing

Component Electrical Checks

Procedures for checking electrical parts like insulation resistance and fuses.

R410 A Refrigerant Handling Precautions

Safety measures and precautions for servicing with R410A refrigerant.

Operating Range

Unit Specifications

Indoor Unit Specifications

Detailed specifications for indoor units.

Unit Dimensions and Weight

Indoor Unit Dimensions & Weight

Physical dimensions and weight of indoor units.

Indoor Unit XHS1872 & PNR-XS1872 Specifications

Major Component Specifications

Indoor Unit Component Details

Detailed specifications for indoor unit components.

Outdoor Unit Component Specifications

CH1271 Outdoor Unit Components

Detailed specifications for the CH1271 outdoor unit.

Other Component Specifications

Dimensional Data

Indoor Unit Dimensions

Physical dimensions for indoor units.

CH1271 Outdoor Unit Dimensions

Refrigerant Flow Diagram

Refrigerant Flow Diagram Explained

Visual representation of refrigerant circulation.

Performance Data Overview

Temperature Performance Charts

Performance data presented in temperature charts.

Cooling Capacity Data

Cooling Capacity for XHS1271;CH1271

Cooling capacity figures for specific models.

Low Ambient Cooling Capacity

Cooling Capacity at Low Ambient Temps

Cooling capacity figures under low ambient conditions.

Heating Capacity Data

Heating Capacity for XHS1271;CH1271

Heating capacity figures for specific models.

Electrical Data Summary

Electrical Characteristics Details

Detailed electrical properties of the units.

Electric Wiring Diagrams

CH1271 Outdoor Unit Wiring Diagram

Maintenance Procedures

Setting Remote Control Unit Address

How to configure remote control addresses for multiple units.

Outdoor Unit Connector Handling

Disassembly Procedures

Removing Air Intake Grill

Steps to remove the air intake grill for disassembly.

Removing Indoor Unit Ceiling Panel

Removing Indoor Temperature Sensor

Removing Main Body Lower Section

Removing Heat Exchanger Sensor & Drain Pump

Removing Fan Motor & Turbo Fan

Unit Functions Overview

Operation Modes Explained

Details on various operation modes like Auto, Dry, and Sensor Dry.

High Power & Night Setback Modes

Protective Functions Explained

Overload, Freeze, and Cold-Air Prevention

Details on various protective functions.

Troubleshooting Guide

Self-Diagnostics Procedure

Steps to initiate and interpret self-diagnostics.

Understanding Self-Diagnostics Lamps

Indoor & Outdoor Unit Checks

Serial Communication Error E01 Diagnosis

Serial Communication Error E12 Diagnosis

Fan Motor Trouble Diagnosis

Indoor Fan Motor Diagnosis

Procedures for diagnosing indoor fan motor issues.

Outdoor Fan Motor Diagnosis

Noise & Interference Issues

Checking Electrical Components

Insulation Resistance Measurement

Steps to measure insulation resistance on various parts.

Fuse Continuity Check

Refrigerant R410 A Servicing Precautions

R410 A Refrigerant Characteristics

Properties and characteristics of R410A refrigerant.

Pre-Servicing Checklist & Flare Size

Tools Specifically for R410 A

Compressor Malfunction & Replacement

Refrigerant Recharging Procedure

Handling Refrigerant Leaks

Charging Additional Refrigerant & Retrofitting

Model Information

Unit Features Overview

Safety Instructions & Installation Guidelines

Product Info & Alert Symbols

Details for product inquiries and safety symbols.

Installation Location & Electrical Req.

Guidelines for site selection and electrical setup.

Names of Parts & Unit Display

Indoor;Outdoor Unit Parts Identification

Identification of key components.

Indoor Unit Display & Buttons Explained

Explanation of the indoor unit's interface.

Remote Control Display Symbols

Remote Control Unit Overview

Remote Control Operation Details

Remote Control Unit Usage Instructions

Battery Installation & Remote Placement

Instructions for battery installation and optimal remote placement.

Operating Modes with Remote Control

Automatic & Manual Operation Modes

How to use automatic and manual operation modes.

Fan Speed & Fan Only Mode Control

Setting Timer Functions

Timer Setting Procedures

Step-by-step guides for timer settings.

Timer Cancellation & Backup Functions

Airflow Direction Adjustment

Operation Without Remote & Unit Care

Operating Unit Without Remote Control

Steps for operating the unit using onboard controls.

Unit Cleaning and Maintenance

Guidelines for cleaning the indoor unit components.

Air Filter Maintenance

Filter Removal and Cleaning

Instructions for filter removal and cleaning.

Troubleshooting Common Issues

General Troubleshooting Guide

Common problems and their remedies.

Installation Instructions Overview

Important Pre-Installation Information

General Installation Information

Required Tools & Supplied Accessories

Lists of tools and accessories for installation.

Additional Materials & Site Selection Criteria

Outdoor Unit Installation Site Selection

Indoor Unit Installation Procedure

Preparing and Suspending Indoor Unit

Steps for preparing and mounting the indoor unit.

Installing the Drain Piping System

Drainage Check & Ceiling Panel Prep

Installing the Ceiling Panel

Wiring Ceiling Panel & Attaching Covers

Post-Installation Checks & Wiring Guidelines

Wiring System Diagrams

Inter-unit Wiring Connections

Outdoor Unit Installation & Wiring

Outdoor Unit Wiring Instructions

Wiring guidelines for the outdoor unit.

Refrigerant Tubing Procedures

Flaring Method & Tube Connection

Techniques and cautions for refrigerant tubing.

Connecting Tubing & Insulating Refrigerant Lines

Taping Tubes & Air Purging Process

Leak Testing & Valve Cap Securing

How to Test Run the Air Conditioner

Service Valves & Pump Down

Service Valve Functions Explained

Explanation of service valve operations.

Refrigerant Pump Down Procedure

Steps to safely remove refrigerant from the system.

Remote Control Unit Installation Position

Address Switch Settings

Setting Remote Control Addresses

How to set addresses for multiple remote controls.

Wired Remote Controller Manual

Wired Remote Controller Safety & Installation

Product Info & Alert Symbols (Wired Remote)

Information and warnings for the wired remote.

Installation Location & Electrical Req. (Wired Remote)

Site selection and electrical needs for the wired remote.

Wired Remote Display Symbols

Wired Remote Control Operation

Operating with Wired Remote Control

Automatic & Manual Operation Modes (Wired Remote)

Operating modes using the wired remote.

Fan Speed & Fan Only Mode (Wired Remote)

Setting Timers with Wired Remote

Timer Cancellation & Backup (Wired Remote)

Airflow Direction Adjustment (Wired Remote)

Wired Remote Controller Installation

Parts & Installation Guidelines (Wired Remote)

Components and rules for installing the wired remote.

In-Wall & Direct Wall Installation Methods

Wiring the Wired Remote Controller

Testing Wired Remote Controller Operation

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