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Table of Contents

Page

1. OPERATING RANGE ................................................................................................................ 1

2. SPECIFICATIONS

2-1. Unit Specifications............................................................................................................ 2

2-2. Major Component Specifications...................................................................................... 5

2-3. Other Component Specifications...................................................................................... 11

3. DIMENSIONAL DATA

3-1. Unit ................................................................................................................................... 14

4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram................................................................................................. 18

5. PERFORMANCE DATA

5-1. Performance Charts ......................................................................................................... 19

5-2. Air Throw Distance Charts ............................................................................................... 22

5-3. Cooling Capacity .............................................................................................................. 25

5-4. Heating Capacity .............................................................................................................. 29

6. ELECTRICAL DATA

6-1. Electrical Characteristics..................................................................................................30

6-2. Electric Wiring Diagrams.................................................................................................. 33

7. INSTALLATION INSTRUCTIONS

7-1. Installation Site Selection .................................................................................................42

7-2. Remote Control Unit Installation Position......................................................................... 44

7-3. Address Switches............................................................................................................. 45

7-4. Recommended Wire Length and Diameter ...................................................................... 46

8. FUNCTION

8-1. Room Temperature Control .............................................................................................. 47

8-2. Dry Operation (Dehumidification)..................................................................................... 49

8-3. Automatic Switching between Cooling and Heating......................................................... 49

8-4. Freeze Prevention (Cooling)............................................................................................. 50

8-5. Overload Prevention (Heating)......................................................................................... 50

8-6. Cold draft Prevention (Heating)........................................................................................ 51

8-7. Defrosting Operation (Heating)......................................................................................... 52

8-8. Low Temperature Cutff (Heating) ..................................................................................... 53

9. TROUBLESHOOTING

9-1. Check before and after troubleshooting............................................................................ 54

9-2. Air conditioner does not operate....................................................................................... 55

9-3. Some part of air conditioner does not operate. ................................................................ 59

9-4. Air conditioner operates, but abnormalities are observed. ............................................... 61

9-5. If a sensor is defective...................................................................................................... 63

000-111 SM (1-17) 00.3.17 11:44 AM y[W ii

Sanyo CH0951 User Manual

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