Sanyo CH0971 User Manual

IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
TECHNICAL & SERVICE MANUAL
KHS0971 + CH0971
KHS1271 + CH1271
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Unit
Destination: North America
Outdoor Model No.
CH0971
CH1271
Product Code No.
1 852 330 21
1 852 330 22
Outdoor Unit
KHS0971
KHS1271
CH0971
CH1271
REFERENCE NO. SM700647-06
Indoor Model No.
KHS0971
KHS1271
Product Code No.
1 852 099 79
1 852 099 80
FILE NO.

Sanyo CH0971 Specifications

General

Brand	Sanyo
Model	CH0971
Category	Air Conditioner
Language	English

Summary

IMPORTANT! Please Read Before Starting

When Servicing

Safety measures to follow before and during unit servicing.

1. OPERATING RANGE

2. SPECIFICATIONS

2-1. Unit Specifications

Technical specifications for indoor and outdoor units.

5. PERFORMANCE DATA

5-1. Temperature Charts

Performance charts showing various parameters against temperature.

5-2. Cooling Capacity

Table detailing cooling capacity under various conditions.

5-4. Heating Capacity

Table detailing heating capacity under various conditions.

6. ELECTRICAL DATA

6-1. Electrical Characteristics

6-2. Electric Wiring Diagrams

Diagrams illustrating the electrical connections for the unit.

7. MAINTENANCE

8. FUNCTIONS

8-1. Operation Functions

8-2. Protective Functions

Details functions that protect the unit from overload, freezing, and overheating.

9. TROUBLESHOOTING

9-1. Precautions before Performing Inspection or Repair

9-2. Method of Self-Diagnostics

Step-by-step guide to perform self-diagnostics for troubleshooting.

9-3. Checking the Indoor and Outdoor Units

10. CHECKING ELECTRICAL COMPONENTS

10-1. Measurement of Insulation Resistance

11. REFRIGERANT R410A:

11-3. Tools Specifically for R410A

11-5. In Case of Compressor Malfunction

Steps for diagnosing and replacing a malfunctioning compressor.

11-6. In Case Refrigerant is Leaking

Procedure for detecting, repairing, and recharging refrigerant leaks.

3. HOW TO INSTALL THE INDOOR UNIT

4. HOW TO INSTALL THE OUTDOOR UNIT

5. REFRIGERANT TUBING

5-4. Connecting Tubing between Indoor and Outdoor Units

6. AIR PURGING

Air Purging with a Vacuum Pump (for Test Run)

Procedure for purging air and moisture from the system using a vacuum pump.

How to Test Run the Air Conditioner

Pump Down

Pump Down Procedure