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Sanyo CL2472 User Manual

Sanyo CL2472
88 pages
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IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
TECHNICAL & SERVICE MANUAL
KS1872 + C1872
+ CL1872
KS2472 + C2472
+ CL2472
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Unit
FILE NO.
Destination: North America
Outdoor Model No.
C1872
C2472
CL1872
CL2472
Product Code No.
1 852 330 36
1 852 330 37
1 852 330 40
1 852 330 41
Outdoor Unit
KS1872
KS2472
C1872
CL1872
C2472
CL2472
REFERENCE NO. SM700663
Indoor Model No.
KS1872
KS2472
Product Code No.
1 852 099 83
1 852 099 84
AIR CO
N
D
I
T
I
O
N
E
R

Table of Contents

Questions and Answers:

Sanyo CL2472 Specifications

General IconGeneral
BrandSanyo
ModelCL2472
CategoryAir Conditioner
LanguageEnglish

Summary

OPERATING RANGE

SPECIFICATIONS

Unit Specifications

Detailed specifications for indoor and outdoor units, covering performance, electrical, and dimensions.

Major Component Specifications

Specifications for key internal components like control PCB, fan motor, and compressor.

Other Component Specifications

Specifications for sensors and heat exchanger coils, including resistance charts.

DIMENSIONAL DATA

REFRIGERANT FLOW DIAGRAM

Refrigerant Flow Diagram

Illustrates the path of refrigerant through the indoor and outdoor units.

Insulation of Refrigerant Tubing

Important notes and cautions regarding the insulation of refrigerant tubing to prevent condensation.

PERFORMANCE DATA

Temperature Charts

Cooling characteristics charts showing pressure, current, and discharge air temp vs. ambient temp.

Air Throw Distance Charts

Charts illustrating air throw distance based on flap angle and fan speed.

ELECTRICAL DATA

Electrical Characteristics

Detailed electrical data for different models and voltage ratings.

Electric Wiring Diagrams

Schematic diagrams showing the electrical connections for indoor and outdoor units.

INSTALLATION INSTRUCTIONS

Installation Site Selection

Guidelines for choosing appropriate locations for indoor and outdoor unit installation.

Recommended Wire Length and Diameter

Recommendations for wire gauge and length based on electrical codes and unit specifications.

Remote Control Unit Installation Position

Guidance on where to install the remote control for optimal operation and signal reception.

How to Test Run the Air Conditioner

Step-by-step procedure for performing a test run of the air conditioner.

Remove the Grille to Install the Indoor Unit

Instructions on how to remove and replace the indoor unit's front grille for installation access.

MAINTENANCE

Address Setting of the Remote Control Unit

Procedure for setting addresses to prevent interference between multiple remote controllers.

Disconnecting and Connecting Positive Connector for Outdoor Unit

Instructions on how to safely disconnect and connect electrical connectors on the outdoor unit.

FUNCTIONS

Operation Functions

Details on various operational modes like Emergency, Sensor Dry, and PAM control.

Protective Functions

Explains built-in protective features such as freeze prevention and compressor temperature control.

TROUBLESHOOTING

Precautions before Performing Inspection or Repair

Safety precautions and important notes before starting any inspection or repair work.

Method of Self-Diagnostics

Procedure for initiating and interpreting the unit's self-diagnostic system using the remote controller.

Checking the Indoor and Outdoor Units

Steps to check the indoor and outdoor units and their serial communications for malfunctions.

Trouble Diagnosis of Fan Motor

Guides for diagnosing issues with the indoor and outdoor fan motors, including voltage checks.

Noise Malfunction and Electromagnetic Interference

Explains causes and solutions for noise issues and electromagnetic interference affecting the unit.

CHECKING ELECTRICAL COMPONENTS

Measurement of Insulation Resistance

Procedures for measuring insulation resistance of power cords, units, and electrical parts.

Checking Continuity of Fuse on PCB Ass'y

Steps to check the continuity of fuses on the printed circuit board assembly.

REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT

Characteristics of New Refrigerant R410A

Information about R410A refrigerant, its components, and properties.

Checklist before Servicing

Essential checks and precautions to take before performing service on R410A systems.

Tools Specifically for R410A

Lists specialized tools required for servicing R410A refrigerant systems.

Tubing Installation Procedures

Guidelines for proper tubing installation, including oil application and precautions.

In Case of Compressor Malfunction

Procedures for handling compressor malfunctions, including replacement and evacuation.

In Case Refrigerant is Leaking

Steps for detecting, repairing, and recharging refrigerant in case of leaks.

Charging Additional Refrigerant

Procedures for charging additional refrigerant, especially when tubes are extended.

Retro-Fitting Existing Systems

Guidance on retrofitting existing systems, including the use of units and tubing.

Operation with the Remote Control Unit

Operation

Basic steps for operating the air conditioner using the remote control.

Adjusting the Fan Speed

Instructions on how to adjust fan speed automatically or manually.

Fan Only

Procedure for operating the unit in fan-only mode without temperature control.

Night Setback Mode

Explanation of the energy-saving Night Setback mode for comfortable sleep.

QUIET Mode

How to activate Quiet Mode to reduce fan noise for a quieter operating sound.

HIGH POWER Mode

Instructions for using High Power Mode to increase output for 30 minutes.

ION Mode

How to activate ION mode for generating negative ions to freshen the air.

Setting the Timer

How to set the present time

Step-by-step guide to setting the current time on the remote control.

How to set the OFF time

Procedure for setting the time when the air conditioner should turn off.

How to set the ON time

Procedure for setting the time when the air conditioner should turn on.

How to set DAILY ON/OFF REPEAT timer

Instructions for setting a daily recurring ON/OFF timer program.

Using the 1-Hour OFF Timer

1-Hour OFF Timer

How to set the unit to operate for one hour and then stop.

Tips for Energy Saving

Adjusting the Airflow Direction

Horizontal

How to adjust the horizontal airflow using the vertical vanes.

Vertical

How to adjust the vertical airflow using the flap via the remote control.

Operation without the Remote Control Unit

Care and Cleaning

Troubleshooting

Operating Range

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