Table Of Contents - Heat Controller VMH09SC-1 Service Manual

Vmh series version c inverter single zone ductless mini split heat pump
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Service Manual
1.Safety Precautions ............................................................................................................................. 3
2. Functions ........................................................................................................................................... 8
3. Dimensions ...................................................................................................................................... 10
3.1 Indoor Unit .............................................................................................................................. 10
3.2 Outdoor Unit ........................................................................................................................... 11
4. Refrigerant Cycle Diagram ............................................................................................................. 12
5. Wiring Diagrams .............................................................................................................................. 13
5.1 Indoor Unit .............................................................................................................................. 13
5.2 Outdoor Unit ........................................................................................................................... 14
6. Installation Details ........................................................................................................................... 15
6.1 Power Wiring .......................................................................................................................... 15
6.2 Pipe length and elevation ....................................................................................................... 16
6.3 Pressure test and evacuation ................................................................................................. 17
7. Operation characteristics ............................................................................................................... 18
8. Electronic functions ........................................................................................................................ 19
8.1 Abbreviation ............................................................................................................................ 19
8.2 Display function ...................................................................................................................... 19
8.3 Main Protection ...................................................................................................................... 20
8.4 Operation Modes and Functions ............................................................................................ 21
9. Troubleshooting .............................................................................................................................. 35
9.1 Indoor Unit Error Display ........................................................................................................ 36
9.2 Diagnosis and Solution ........................................................................................................... 36
VMH SerieS
CONTENTS
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Heat Controller, Inc.

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