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Sanyo C0971 User Manual

Sanyo C0971
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IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
TECHNICAL & SERVICE MANUAL
KS0971 + C0971
+ CL0971
KS1271 + C1271
+ CL1271
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Unit
FILE NO.
Destination: North America
Outdoor Model No.
C0971
C1271
CL0971
CL1271
Product Code No.
1 852 330 23
1 852 330 24
1 852 330 25
1 852 330 26
Outdoor Unit
KS0971
KS1271
C0971
C1271
CL0971
CL1271
REFERENCE NO. SM700655-01
Indoor Model No.
KS0971
KS1271
Product Code No.
1 852 099 81
1 852 099 82
A
I
R
C
O
N
DITIONER

Table of Contents

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Sanyo C0971 Specifications

General IconGeneral
BrandSanyo
ModelC0971
CategoryAir Conditioner
LanguageEnglish

Summary

Important Safety Information and Precautions

Pre-Operation Safety Checks and Standards

Crucial steps for safe operation and adherence to standards.

Hazard Symbol Definitions and Meanings

Explanation of hazard symbols for severe injury/death or property damage.

Electrical Wiring Safety Guidelines

Safety guidelines for electrical wiring, emphasizing qualified electricians.

Transport and Installation Safety Practices

Guidance on safe handling, lifting, and installation practices.

Refrigerant Tubing and Servicing Safety Procedures

Precautions for connecting tubing and performing maintenance.

General Cautions for Operation

Warnings about ventilation and refrigerant gas hazards.

Operating Range for Cooling Models

Cooling Performance Temperature Limits

Outdoor and indoor air intake temperature limits for cooling operation.

Unit Specifications KS0971/C0971 Details

KS0971/C0971 Performance and Electrical Data

Detailed specs including performance and electrical ratings.

Unit Specifications KS1271/C1271 Details

KS1271/C1271 Performance and Electrical Data

Detailed specs including performance and electrical ratings.

Unit Specifications KS0971/CL0971 Details

KS0971/CL0971 Performance and Electrical Data

Detailed specs including performance and electrical ratings.

Unit Specifications KS1271/CL1271 Details

KS1271/CL1271 Performance and Electrical Data

Detailed specs including performance and electrical ratings.

Major Component Specs - Indoor Unit KS0971

KS0971 Indoor Unit Component Breakdown

Details on Control PCB, Fan Motor, Flap Motor, and Heat Exchanger Coil.

Major Component Specs - Indoor Unit KS1271

KS1271 Indoor Unit Component Breakdown

Details on Control PCB, Fan Motor, Flap Motor, and Heat Exchanger Coil.

Major Component Specs - Outdoor Unit C0971

C0971 Outdoor Unit Component Breakdown

Details on Control PCB, Compressor, Fan Motor, and Heat Exchanger Coil.

Major Component Specs - Outdoor Unit C1271

C1271 Outdoor Unit Component Breakdown

Details on Control PCB, Compressor, Fan Motor, and Heat Exchanger Coil.

Major Component Specs - Outdoor Unit CL0971

CL0971 Outdoor Unit Component Breakdown

Details on Control PCB, Compressor, Fan Motor, and Heat Exchanger Coil.

Major Component Specs - Outdoor Unit CL1271

CL1271 Outdoor Unit Component Breakdown

Details on Control PCB, Compressor, Fan Motor, and Heat Exchanger Coil.

Other Component Specifications - Sensor Data

Sensor Resistance vs. Temperature Graphs

Graphs showing resistance of various sensors at different temperatures.

Dimensional Data - Indoor Unit Views

Indoor Unit Dimensions and Drawings

Technical drawings showing size and measurements of the indoor unit.

Dimensional Data - Outdoor Unit Views

Outdoor Unit Dimensions and Drawings

Technical drawings showing size and measurements of the outdoor unit.

Refrigerant Flow Diagram and Insulation

System Path and Refrigerant Tubing Insulation

Diagram of refrigerant path and importance of insulating tubing.

Performance Data - KS0971/C0971 Cooling Curves

Cooling Characteristics Pressure-Current Graph

Charts showing low pressure, operating current, and discharge temp. vs. outdoor temp.

Performance Data - KS0971/CL0971 Cooling Curves

Cooling Characteristics Pressure-Current Graph

Charts showing low pressure, operating current, and discharge temp. vs. outdoor temp.

Performance Data - KS1271/C1271 Cooling Curves

Cooling Characteristics Pressure-Current Graph

Charts showing low pressure, operating current, and discharge temp. vs. outdoor temp.

Performance Data - KS1271/CL1271 Cooling Curves

Cooling Characteristics Pressure-Current Graph

Charts showing low pressure, operating current, and discharge temp. vs. outdoor temp.

Air Throw Distance Charts - KS0971 Unit

KS0971 Air Velocity vs. Distance Graph

Graph showing air velocity and distance for different flap angles.

Air Throw Distance Charts - KS1271 Unit

KS1271 Air Velocity vs. Distance Graph

Graph showing air velocity and distance for different flap angles.

Electrical Data - KS0971 Model Characteristics

Electrical Characteristics Overview for KS0971 Models

Running amps and power input for various configurations.

Electrical Data - KS1271 Model Characteristics

Electrical Characteristics Overview for KS1271 Models

Running amps and power input for various configurations.

Electric Wiring Diagrams - Indoor Unit

Indoor Unit Circuit Schematic Diagram

Schematic showing electrical connections for the indoor unit.

Electric Wiring Diagrams - Outdoor Unit C0971/C1271

Outdoor Unit C0971/C1271 Circuit Schematic

Schematic showing electrical connections for the outdoor unit.

Electric Wiring Diagrams - Outdoor Unit CL0971/CL1271

Outdoor Unit CL0971/CL1271 Circuit Schematic

Schematic showing electrical connections for the outdoor unit.

Installation Instructions - Indoor Unit Site Selection

Indoor Unit Optimal Location Guidelines

Guidelines for choosing a safe and effective location for the indoor unit.

Installation Instructions - Outdoor Unit Site Selection

Outdoor Unit Optimal Location Guidelines

Guidelines for selecting the best location for the outdoor unit.

Baffle Plate Installation for CLxx Models

Recommendation for using baffle plates on specific outdoor models.

Installation Instructions - Wiring Recommendations

Wire Length and Diameter Guidance

Guidance on selecting appropriate wire size and length for wiring.

Installation Instructions - Remote Control Mounting

Remote Control Unit Installation Position Rules

Recommended locations and methods for mounting the remote control.

Installation Instructions - Test Run Procedure

Step-by-Step Test Run Guide

Step-by-step procedure for testing the air conditioner after installation.

Installation Instructions - Indoor Unit Grille

Indoor Unit Grille Removal and Reassembly

Instructions for removing and reattaching the indoor unit's front grille.

Maintenance - Remote Control Settings

Remote Control Unit Address Setting Process

Procedure to set addresses to prevent remote signal interference.

Maintenance - Electrical Connectors

Outdoor Unit Connector Disconnect/Connect Guide

Instructions for safely disconnecting and connecting electrical connectors.

Functions - Operation Modes Explained

Emergency Operation and Sensor Dry Modes

Details on emergency operation, SENSOR DRY modes (A, B), and monitoring.

Functions - Special Operation Features

High Power, Night Setback, and Timer Functions

Explains HIGH POWER, NIGHT SETBACK, lamp indicators, and timer backup.

Functions - Protective Mechanisms

Overview of Protective Functions

Details on freeze prevention, compressor temp. control, and current cut-off features.

Troubleshooting - Initial Steps and Diagnostics

Pre-Troubleshooting Precautions and Self-Diagnostics

Safety steps before troubleshooting and how to perform self-diagnostics.

Troubleshooting - Diagnostic Indicators

Interpreting Indoor Unit Self-Diagnostics Lamps

Guide to understanding indoor unit lamp indicators for fault diagnosis.

Troubleshooting - Handling Failures

Troubleshooting Self-Diagnostics Function Failure

Steps to take if the self-diagnostics function does not work.

Troubleshooting - Unit Checks

Indoor/Outdoor Unit and Communication Checks

Procedures to check unit operation and serial communications.

Troubleshooting - Fan Motor Issues

Outdoor Fan Motor Diagnosis Procedure

Steps to diagnose issues with the outdoor fan motor.

Troubleshooting - Noise and Interference

Diagnosing Noise and EMI Problems

Explains noise problems and electromagnetic interference, with solutions.

Checking Electrical Components - Insulation Resistance

Insulation Resistance Measurement Procedures

Procedures for measuring insulation resistance of power cord and unit components.

Checking Electrical Components - Fuse Continuity

Checking Fuse Continuity on PCB Assembly

Method for checking fuse continuity using a multimeter.

Refrigerant R410A Servicing Precautions

Characteristics and Handling of R410A

Details on R410A composition, properties, and handling.

Refrigerant R410A Servicing Precautions

Pre-Service Checklist and Tubing Handling

Pre-service checks, flare tool specs, and tubing handling for R410A.

Refrigerant R410A Servicing Precautions

Essential Tools for R410A Servicing

List of specialized tools needed for R410A refrigerant systems.

Refrigerant R410A Servicing Precautions

Compressor Malfunction and Replacement Steps

Steps for diagnosing compressor issues and replacing it.

Refrigerant R410A Servicing Precautions

Refrigerant Recharging Procedures and Cylinder Use

Guidelines for recharging refrigerant, including cylinder configurations.

Refrigerant R410A Servicing Precautions

Procedure for Addressing Refrigerant Leaks

Steps to detect, repair, and recharge refrigerant after a leak.

Refrigerant R410A Servicing Precautions

Additional Charging and Retro-fitting Guidance

Guidance on adding refrigerant and adapting older systems.

Key Unit Features Overview

Description of Main Unit Features

Description of main features like remote control, timers, and filters.

Installation Location Guidelines

Recommended Indoor Unit Location Selection

Advice on choosing the proper location for the unit, considering safety and performance.

Electrical Requirements and Standards

Wiring and Grounding Standards Compliance

Requirements for wiring, grounding, and consulting electricians.

Safety Instructions for Use

General Usage and Safety Guidelines Summary

Important safety warnings for operating and using the air conditioner.

Names of Parts Identification

Indoor and Outdoor Unit Components Explained

Identification and function of key parts like air intakes, outlets, and tubes.

Unit Display and Operation Button Functions

Indoor Unit Indicators and Receiver Operation

Explanation of display lamps and the remote control receiver function.

Remote Control Display Symbol Guide

Understanding Remote Control Display Icons

Glossary of symbols shown on the remote control display.

Remote Control Unit Operation Guide

Detailed Remote Control Button Functions

Detailed explanation of each button on the remote control.

Remote Control Unit Operation Guide

Advanced Remote Control Functions Explained

Explanation of temperature, mode, fan speed, and special function buttons.

Remote Control Unit Operation Guide

Settings and Battery Installation Instructions

Instructions for sensor, display, time settings, address switch, and battery replacement.

Using the Remote Control Unit

Remote Operation and Unit Installation Tips

How to operate the unit with the remote and recommended installation spots.

Operation with the Remote Control Unit

Basic Operation Steps Guide

Step-by-step guide for basic operation modes like Dry, Cool, and Fan.

Operation with the Remote Control Unit

Fan Speed Adjustment and Fan-Only Mode

How to adjust fan speed automatically or manually and operate in fan-only mode.

Operation with the Remote Control Unit

Night Setback Mode for Energy Savings

Explanation of the Night Setback feature for energy efficiency.

Operation with the Remote Control Unit

Quiet, High Power, and Ion Modes Explained

Details on QUIET, HIGH POWER, and ION modes for operation.

Special Operational Remarks and Notes

Operational Notes and Troubleshooting Tips

Special operational notes for DRY, Cooling, power failure, clicking sounds, and remote signals.

Setting the Timer Procedures

Setting Current Time and OFF Timer Function

Step-by-step guide to set the current time and the OFF timer.

Setting the Timer Procedures

Setting ON Timer and Repeat Timer Programs

Instructions for setting ON timer, repeat timers, and canceling timer programs.

Using the 1-Hour OFF Timer Feature

1-Hour OFF Timer and Energy Saving Tips

How to use the 1-hour OFF timer and tips for saving energy.

Adjusting Airflow Direction Methods

Manual and Automatic Airflow Control Techniques

Instructions for adjusting horizontal and vertical airflow, including sweep and auto flap.

Operation Without Remote Control

Manual Operation and Basic Casing Cleaning

How to operate the unit manually and clean the casing/grille.

Care and Cleaning of Filters

Anti-Mold Filter Maintenance Guide

Steps for removing, cleaning, and replacing the anti-mold filter.

Care and Cleaning of Other Parts

Air Filter and Ion Generator Maintenance

Instructions for installing, cleaning air filters, and cleaning the ion generator.

Troubleshooting Common Issues and Solutions

Troubleshooting Guide with Remedies

Table listing common problems, their causes, and recommended remedies.

Operating Range Specifications

Cooling Operation Temperature Limits Defined

Specifies indoor and outdoor temperature ranges for cooling operation.

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