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Sanyo C1271 User Manual

Sanyo C1271
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TECHNICAL & SERVICE MANUAL
XS1271 & PNR-XS1872 + C1271
XS1271 & PNR-XS1872 + CL1271
XS1872 & PNR-XS1872 + CH1872
XS1872 & PNR-XS1872 + CL1872
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Unit
Destination: North America
Outdoor Model No.
C1271
C1872
CL1271
CL1872
Product Code No.
1 852 330 24
1 852 330 36
1 852 330 26
1 852 330 40
XS1271 (Body) & PNR-XS1872 (Panel)
XS1872 (Body) & PNR-XS1872 (Panel)
C1271
CL1271
C1872
CL1872
REFERENCE NO. SM700767
Outdoor Unit
Indoor Model No.
Body (Panel)
XS1271 (PNR-XS1872)
XS1872 (PNR-XS1872)
Product Code No.
Body (Panel)
1 852 352 10 (1 852 352 11)
1 852 352 09 (1 852 352 11)
FILE NO.
Body
Panel
Wireless Remote Controller
Wired Remote Controller
(Option)

Table of Contents

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Sanyo C1271 Specifications

General IconGeneral
BrandSanyo
ModelC1271
CategoryAir Conditioner
LanguageEnglish

Summary

Important! Please Read Before Starting

When Wiring

Safety precautions and procedures for electrical wiring of the unit.

When Installing

Guidance on proper installation locations and methods for the indoor and outdoor units.

When Connecting Refrigerant Tubing

Instructions and cautions for connecting refrigerant tubing using the flare method.

When Servicing

Safety measures to take before performing any servicing or repair on the unit.

1. OPERATING RANGE

2. SPECIFICATIONS

2-1. Unit Specifications

Detailed specifications for indoor and outdoor units, including capacity, electrical ratings, and airflow.

2-2. Major Component Specifications

Specifications for key internal components like the compressor, fan motor, and heat exchanger.

2-3. Other Component Specifications

Specifications for sensors and other components, including resistance charts.

3. DIMENSIONAL DATA

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram

Illustrates the path of refrigerant through the system components during operation.

5. PERFORMANCE DATA

5-1. Temperature Charts

Charts showing performance characteristics against temperature variations.

5-2. Cooling Capacity

Tables detailing cooling capacity at various indoor and outdoor conditions.

5-3. Cooling Capacity (Low Ambient)

Cooling capacity data specific to low ambient outdoor temperatures.

6. ELECTRICAL DATA

6-1. Electrical Characteristics

Electrical ratings, running amperes, and power input details.

6-2. Electric Wiring Diagrams

Schematic diagrams showing internal and external electrical connections.

7. MAINTENANCE

7-1. Address Setting of the Remote Control Unit

Procedure for setting remote control addresses to prevent interference.

7-2. Disconnecting and Connecting Positive Connector for Outdoor Unit

Instructions for safely handling electrical connectors on the outdoor unit.

7-3. Disassembly Procedure

Step-by-step guide for disassembling the indoor unit for service.

8. FUNCTIONS

8-1. Operation Functions

Explanation of various operational modes and features like Sensor Dry.

8-2. Protective Functions

Details on built-in protective mechanisms to prevent damage.

9. TROUBLESHOOTING

9-1. Precautions before Performing Inspection or Repair

Essential safety precautions before beginning any troubleshooting or repair work.

9-2. Method of Self-Diagnostics

Guide on how to use the self-diagnostics function to identify errors.

9-3. Checking the Indoor and Outdoor Units

Basic checks for both indoor and outdoor units to diagnose operational problems.

9-4. Trouble Diagnosis of Fan Motor

Specific steps to diagnose issues with the indoor and outdoor fan motors.

9-5. Noise Malfunction and Electromagnetic Interference

Information on identifying and resolving noise and EMI issues.

10. CHECKING ELECTRICAL COMPONENTS

10-1. Measurement of Insulation Resistance

Procedure for testing insulation resistance of electrical parts.

10-2. Checking Continuity of Fuse on PCB Ass'y

Steps to check the continuity of the fuse on the main control board.

11. REFRIGERANT R410A:

11-1. Characteristics of New Refrigerant R410A

Details on the properties and composition of R410A refrigerant.

11-2. Checklist before Servicing

Essential checklist and precautions before servicing R410A systems.

11-3. Tools Specifically for R410A

List of tools required for R410A servicing and their specific usage.

11-4. Tubing Installation Procedures

Guidelines for proper installation and connection of refrigerant tubing.

11-5. In Case of Compressor Malfunction

Procedure for replacing a compressor, including refrigerant handling.

11-6. In Case Refrigerant is Leaking

Steps for repairing refrigerant leaks and recharging the system.

11-7. Charging Additional Refrigerant

Instructions for adding refrigerant, especially for extended tubing lengths.

11-8. Retro-Fitting Existing Systems

Guidance on retrofitting older systems with R410A, emphasizing new tubing.

APPENDIX A INSTRUCTION MANUAL

FEATURES

Remote Control & Basic Operation

Features related to remote control use and basic operation modes.

Timer & Comfort Features

Timer functions, Night Setback, Air Sweep, and Auto Flap for comfort and energy saving.

Fan Speed Control

Options for adjusting fan speed, including automatic and manual settings.

SAFETY INSTRUCTIONS

Electrical Requirements

Requirements for proper electrical installation and grounding.

General Safety Precautions

Important safety warnings for users and installers regarding appliance operation.

OPERATION WITH THE REMOTE CONTROL UNIT

1. Operation

Basic steps for operating the air conditioner using the remote.

2. Adjusting the Fan Speed

How to set fan speed manually or automatically.

SETTING THE TIMER

Procedures for setting various timer functions.

CARE AND CLEANING

Cleaning the Indoor Unit Components

Instructions for cleaning the ceiling panel, flaps, and main unit.

Air filter

Guide on how to remove and clean the air filter for optimal performance.

TROUBLESHOOTING

Trouble Diagnosis Table

A table listing common troubles, possible causes, and remedies.

WIRED REMOTE CONTROLLER

Information about the optional wired remote controller.

APPENDIX B INSTALLATION INSTRUCTIONS

1. GENERAL

1-1. Tools Required for Installation (not supplied)

List of tools needed for installation that are not included with the unit.

1-2. Accessories Supplied with Unit

List of parts included in the unit's package.

1-4. Type of Copper Tube and Insulation Material

Specifications for copper tubing and insulation material required for installation.

2. INSTALLATION SITE SELECTION

2-1. Indoor Unit

Guidelines for selecting an appropriate location for the indoor unit installation.

2-2. Outdoor Unit

Recommendations for selecting a suitable installation site for the outdoor unit.

2-3. Baffle Plate for the Outdoor Unit

Information on installing baffle plates for outdoor units exposed to strong winds.

3. HOW TO INSTALL THE INDOOR UNIT

3-1. Preparation for Suspending

Steps for preparing the ceiling and unit for suspension.

3-2. Suspending the Indoor Unit

Detailed instructions on securely suspending the indoor unit in the ceiling.

3-4. Installing the Drain Piping

Procedures for correctly installing the drain pipe to prevent leaks.

3-5. Checking the Drainage

Method to verify that the drain system functions properly after installation.

3-6. How to Install the Ceiling Panel

Steps for fitting and securing the ceiling panel to the indoor unit.

3-7. Wiring Instructions

General guidelines and precautions for wiring the unit.

4. HOW TO INSTALL THE OUTDOOR UNIT

4-1. Wiring Instructions for the Outdoor Unit

Instructions for connecting power and inter-unit wiring to the outdoor unit.

5. REFRIGERANT TUBING

5-1. Use of the Flaring Method

Explanation of the flaring method for connecting refrigerant tubes.

5-2. Flaring Procedure with a Flare Tool

Detailed steps for creating flares on copper tubes using a flare tool.

5-4. Connecting Tubing between Indoor and Outdoor Units

Instructions for securely connecting the tubing between indoor and outdoor units.

5-5. Insulation of Refrigerant Tubing

Guidance on insulating refrigerant tubes to prevent heat loss and condensation.

5-6. Taping the Tubes

Procedure for taping refrigerant tubes and other connections for protection.

6. AIR PURGING

Air Purging with a Vacuum Pump (for Test Run)

Procedure for removing air and moisture using a vacuum pump.

How to Test Run the Air Conditioner

APPENDIX C INSTRUCTION MANUAL

APPENDIX D INSTALLATION INSTRUCTIONS

Remote controller installation guidelines

Recommendations for mounting the remote controller for optimal performance.

Switching the room temperature sensor

How to switch between the remote and indoor unit sensors.

How to install the remote controller

Step-by-step instructions for installing the remote controller unit.

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