Table of Contents
Page
1. OPERATING RANGE ............................................................................................................................... 1
2. SPECIFICATIONS
2-1. Unit Specifications .......................................................................................................................... 2
2-2. Major Component Specifications.................................................................................................... 4
2-3. Other Component Specifications.................................................................................................... 6
3. DIMENSIONAL DATA............................................................................................................................... 7
4. REFRIGERANT FLOW DIAGRAM .......................................................................................................... 9
5. PERFORMANCE DATA
5-1. Performance Charts (2-room multi) ............................................................................................... 11
5-2. Performance Charts (3-room multi) ............................................................................................... 14
6. ELECTRICAL DATA
6-1. Electric Wiring Diagrams ................................................................................................................ 17
7. INSTALLATION INSTRUCTIONS
7-1. Indoor Unit ...................................................................................................................................... 19
7-2. Outdoor Unit ................................................................................................................................... 21
7-3. Diagram of Outdoor Unit Installation .............................................................................................. 22
7-4. Recommended Wire Length and Diameter .................................................................................... 23
7-5. Wiring System Diagram.................................................................................................................. 23
8. FUNCTIONS
8-1. Defrost Detection and End ............................................................................................................ 24
8-2. Current Control .............................................................................................................................. 25
8-3. Low Start Current .......................................................................................................................... 25
8-4. Compressor Temperature Control ................................................................................................. 25
8-5. Outdoor Fan Control ...................................................................................................................... 25
8-6. Control at HEAT Start-up ............................................................................................................... 26
9. TROUBLESHOOTING
9-1. Conditions That Do Not Represent Trouble .................................................................................. 27
9-2. Outdoor Unit Trouble Diagnostics ................................................................................................. 28
9-3. Checking the Outdoor System ....................................................................................................... 29
9-4. Unit Problems and Inspection Points ............................................................................................. 30
9-5. Explanation of Functions ............................................................................................................... 33
10.REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT
10-1. Characteristics of New Refrigerant R410A..................................................................................... 37
10-2. Checklist Before Servicing.............................................................................................................. 37
10-3. Tools Specifically for R410A .......................................................................................................... 39
10-4. Tubing Installation Procedures ...................................................................................................... 39
10-5. In Case of Compressor Malfunction .............................................................................................. 40
10-6. In Case Refrigerant is Leaking ....................................................................................................... 42
10-7. Charging Additional Refrigerant .................................................................................................... 44
10-8. Retro-Fitting Existing Systems ....................................................................................................... 44
.................................................................................................................................................. 45
APPENDIX
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Содержание SAP-CMRV1923GJH
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