CONTENTS
1. Precaution................................................................................................................................................. 1
1.1 Safety Precaution ................................................................................................................................................1
1.2 Warning ...............................................................................................................................................................1
2. Function.................................................................................................................................................... 4
3. Dimension................................................................................................................................................. 6
3.1 Indoor Unit...........................................................................................................................................................6
MSV1-09HRDN1-QC2(A) MSV1-12HRDN1-QC2(A)..................................................................................6
3.2 Outdoor Unit........................................................................................................................................................7
MOC-09HDN1-QC2 MOC-12HDN1-QC2 ............................................................................................7
4. Specification............................................................................................................................................. 8
5. Refrigerant cycle diagram....................................................................................................................... 9
6. Wiring diagram....................................................................................................................................... 10
6.1 Indoor Unit......................................................................................................................................................... 10
MSV1-09HRDN1-QC2(A) MSV1-12HRDN1-QC2(A)................................................................................10
6.2 Outdoor Unit......................................................................................................................................................10
MOC-09HDN1-QC2 MOC-12HDN1-QC2......................................................................................... 11
7. Installation details.................................................................................................................................. 12
7.1 Wrench torque sheet for installation ..................................................................................................................12
7.2 Connecting the cables.......................................................................................................................................12
7.3 Pipe length and the elevation ............................................................................................................................ 12
7.4 Air purging of the piping and indoor unit............................................................................................................12
7.5 Pumping down (Re-installation).........................................................................................................................14
7.6 Re-air purging (Re-installation)..........................................................................................................................15
7.7 Balance refrigerant of the 2-way, 3-way valves .................................................................................................16
7.8 Evacuation.........................................................................................................................................................17
7.9 Gas charging.....................................................................................................................................................18
8. Operation characteristics...................................................................................................................... 19
8.1 MSV1-09HRDN1-QC2(A)..................................................................................................................................19
8.2 MSV1-12HRDN1-QC2(A)..................................................................................................................................20
9. Electronic function................................................................................................................................. 21
9.1 Abbreviation.......................................................................................................................................................21
9.2 Display function.................................................................................................................................................21
9.3 Protection ..........................................................................................................................................................22
9.4 Fan-Only Mode..................................................................................................................................................22
9.5 Cooling Mode ....................................................................................................................................................23
9.6 Drying mode......................................................................................................................................................24
9.7 Heating mode....................................................................................................................................................24
9.8 Auto mode function............................................................................................................................................27
9.9 Forced operation function..................................................................................................................................27
9.10 Action of 4-way valve.......................................................................................................................................27
9.11 Two speeds outdoor fan function.....................................................................................................................27
9.12 Timer function..................................................................................................................................................28
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