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service manual Appendix B Installation Instructions, KHS0971 + CH0971 KHS1271 + CH1271
Models:
CH0971
CH1271
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Troubleshooting
Specs
Electrical Characteristics
Install
Refrigerant Flow Diagram
Dimension
Maintenance
When Wiring
1Self-diagnosticsLamps INDOOR UNIT
Procedure for Replacing Compressor
Page 79
Image 79
APPENDIX B INSTALLATION INSTRUCTIONS
KHS0971 + CH0971 KHS1271 + CH1271
(II-852-6-4189-990-00-5)
A-2
Page 78
Page 80
Page 79
Image 79
Page 78
Page 80
Contents
CH0971
KHS0971 + CH0971 KHS1271 + CH1271
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
KHS0971
When Installing
SPECIAL PRECAUTIONS
WARNING When Wiring
When Transporting
MAINTENANCE
Table of Contents
SPECIFICATIONS
REFRIGERANT FLOW DIAGRAM
11.REFRIGERANT R410A
SPECIAL PRECAUTIONS WHEN SERVICING UNIT
INSTALLATION INSTRUCTIONS
10. CHECKING ELECTRICAL COMPONENTS
Indoor Air Intake Temp
1. OPERATING RANGE
Outdoor Air Intake Temp
Weight
2. SPECIFICATIONS
2-1.Unit Specifications
Features
CH1271
KHS1271
Voltage Rating
Control PCB
2-2.Major Component Specifications
2-2-1.Indoor Unit
Remote Control Unit Fan
Flap Motor
Remote Control Unit Fan
Control PCB
Fan Motor
Fan Motor
2-2-2.Outdoor Unit
Control PCB
Compressor
Heat Exchanger Coil
Control PCB
Compressor
Fan Motor
2-3.Other Component Specifications
KHS1271
3. DIMENSIONAL DATA
CH1271
4-1.Refrigerant Flow Diagram
4. REFRIGERANT FLOW DIAGRAM
Insulation of Refrigerant Tubing
5. PERFORMANCE DATA
5-1.Temperature Charts
Indoor Unit KHS0971
1 High pressure performance chart
2 Operating current performance chart
3 Indoor discharge air performance chart
air temperature
1 Low pressure performance chart
2 Operating current performance chart
3 Indoor discharge air performance chart
valve
KHS0971
5-2.Cooling Capacity
CH0971
CH1271
KHS1271
KHS0971
5-3.Cooling Capacity Low Ambient
CH0971
CH1271
KHS1271
SHC Sensible Heat Capacity BTU/h
KHS0971
5-4.Heating Capacity
CH0971
CH1271
KHS1271
5-5.Air Throw Distance Charts
Cooling
KHS1271
6-1.Electrical Characteristics
6. ELECTRICAL DATA
Indoor Unit
Indoor Unit KHS0971 KHS1271
6-2.Electric Wiring Diagrams
Outdoor Unit CH0971 CH1271
and/or cleaning any electrical parts
7-1.Address Setting of the Remote Control Unit
7. MAINTENANCE
How to Connect
How to Disconnect
Pull the cover upward
AUTO cooling/heating operation
8. FUNCTIONS
8-1.Operation Functions
Emergency operation
Lamp colors
HIGH POWER
Timer backup
NIGHT SETBACK
Cold-airprevention during heating
Compressor discharge temperature control
8-2.Protective Functions
Overload prevention during heating
CT Peak current cut-offcontrol
Defrost detection and release
Defrosting Sequence
9-2.Method of Self-Diagnostics
9. TROUBLESHOOTING
PROCEDURE
1Self-diagnosticsLamps INDOOR UNIT
9-3.Checking the Indoor and Outdoor Units
3-1Condition E01
Before the Operation
Continued from the previous page A A Yes
3-2Condition E12
9-4-1.Outdoor Fan Motor
9-4.Trouble Diagnosis of Fan Motor
Locations most susceptible to noise
Locations most susceptible to noise
Trouble
Correction
10-1-2.Indoor Unit
10-1-1.Power Supply Cord
10. CHECKING ELECTRICAL COMPONENTS
10-1.Measurement of Insulation Resistance
10-2.Checking Continuity of Fuse on PCB Assy
11-1-3.Characteristics
SPECIAL PRECAUTIONS WHEN SERVICING UNIT
11-1.Characteristics of New Refrigerant R410A
11-1-1.What is New Refrigerant R410A?
No addition of compressor oil for R410A
11-2.Checklist before Servicing
Tubing precautions
Size of flare
11-3.Tools Specifically for R410A
11-4.Tubing Installation Procedures
11-5.In Case of Compressor Malfunction
11-5-1.Procedure for Replacing Compressor
Page
11-6.In Case Refrigerant is Leaking
11-8-1.Use of Existing Units
11-7-1.When Tubes are Extended
11-7.Charging Additional Refrigerant
11-8. Retro-FittingExisting Systems
KHS0971 + CH0971 KHS1271 + CH1271
Features
Alert Symbols
Contents
Product Information
Safety Instructions
Installation Location
Electrical Requirements
Air intakes INDOOR UNIT Air outlet
Names of Parts
Remote control unit Drain hose Refrigerant tubes
Remote Control Unit
Unit Display and Operation Button
Remote Control Unit Display
Remote Control Unit
AUTO
Remote Control Unit continued
HIGH POWER button
QUIET button
Remote Control Unit continued
Using the Remote Control Unit
Using the Remote Control Unit continued
1. Automatic Operation
Operation with the Remote Control Unit
2. Manual Operation
Operation with the Remote Control Unit continued
STEP STEP STEP
3.Adjusting the Fan Speed
4.Fan Only
Operation with the Remote Control Unit continued
Operation with the Remote Control Unit continued
5. Night Setback Mode
Operation with the Remote Control Unit continued
7. HIGH POWER Mode
6. QUIET Mode
8. ION Mode
Heating Operation
Remote Control Unit
Special Remarks
‘‘DRY’’ Operation
1.How to set the present time
Setting the Timer
REPEAT timer
Setting the Timer continued
Tips for Energy Saving
Using the 1-HourOFF Timer
Adjusting the Airflow Direction
Care and Cleaning
Operation without the Remote Control Unit
Anti-moldfilter FRONT mark Hook Groove Pin
Care and Cleaning continued
Cleaning
Anti-moldfilter
Air Clean Filter
Care and Cleaning continued
Possible Cause
Troubleshooting
Operating Range
Trouble
KHS0971 + CH0971 KHS1271 + CH1271
APPENDIX B INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
Contents
NOTE Refrigerant service valve size = 5/16
When Installing…
SPECIAL PRECAUTIONS
In Case of Improper Installation
When Transporting
1-3.Optional Copper Tubing Kit
1. General
1-1.Tools Required for Installation not supplied
1-2.Accessories Supplied with Unit Table
2. Installation Site Selection
Fig. 5b
2-2.Outdoor Unit AVOID
A solid base must not cover
Fig. 5a
3-2.Make a Hole
3. How to Install the Indoor Unit
trical wiring or conduits are
3-1.Remove the Rear Panel from the Unit
Fig. Fig. Fig
3-3.Install the Rear Panel on the Wall
a If Wooden Wall
b If Block, Brick, Concrete or Similar Type Wall
3-4.Remove the Grille to Install the Indoor Unit
Fig. Fig
3-6.Wiring Instructions
General precautions on wiring
3-5.Shape the Indoor Side Tubing
3-7.Recommended Wire Length and Diameter
Top of conduit connector
3-8.Wiring Instructions for Inter-unitConnections
Plastic cover Wiring 10 25 cm
Inter-unitwiring Earth plate Lock nut
How to connect wiring to the terminal
Fig. 37b
3-9.Mounting
Right-sidetubing
Fig. 37a
Left-sidetubing
To unmount indoor unit
4-1.Wiring Instructions for the Outdoor Unit
4. How to Install the Outdoor Unit
5-1.Use of the Flaring Method
5. Refrigerant Tubing
5-2.Flaring Procedure with a Flare Tool
5-3.Caution before Connecting Tubes Tightly
Page
those used in automobile tires
6. Air Purging
Air Purging with a Vacuum Pump for Test Run
tem. The valve core is similar to
ant gas to leak. In order to
Be sure to completely insert
the hex wrench before
This may cause the refriger
Fig. 59a Fig. 59b
How to Test Run the Air Conditioner
Fig. 59c
Pump Down
Basic Functions of the Service Valves
7-1.Mounting on a Wall
7. Remote Control Unit Installation Position
8-1.Address Setting of the Remote Control Unit
8. Address Switch
Wood Dale, IL 60191, U.S.A Sanyo Canada Inc
SANYO Commercial Solutions
A Division of SANYO North America Corporation
1300 Michael Drive, Suite A
