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2 Multi type Air Conditioner
Multi type Air Conditioner Service Manual
TABLE OF CONTENTS
Combination table.......................................................................................................................................3
Safety Precautions......................................................................................................................................4
Dimensions................................................................................................................................................10
Indoor Unit.............................................................................................................................................10
Outdoor Unit...........................................................................................................................................11
Product Specifications .............................................................................................................................12
DMC24DB-1...........................................................................................................................................12
DMH24DB-1...........................................................................................................................................13
Installation .................................................................................................................................................14
Installation Parts.....................................................................................................................................14
Installation Tools.....................................................................................................................................14
Select the best location .........................................................................................................................15
Piping length and elevation ....................................................................................................................16
Fixing Installation Plate(Standard Type).................................................................................................17
Flaring Work and Connection of Piping..................................................................................................18
Flaring work............................................................................................................................................18
Connecting the Piping ............................................................................................................................19
Connecting the Cable between Indoor Unit and Outdoor Unit.............................................................25
Connect the cable to the Indoor unit. .....................................................................................................25
Connect the cable to the Outdoor unit....................................................................................................26
Connection method of the connecting cable(Example)..........................................................................27
Connect the cable to the indoor unit.......................................................................................................28
Checking the Drainage, Forming the Pipings and Long Pipe Setting .................................................29
Checking the drainage............................................................................................................................29
Forming the piping..................................................................................................................................30
Air Purging and Evacuation.....................................................................................................................31
Checking method ...................................................................................................................................31
Evacuation..............................................................................................................................................32
Charging ....................................................................................................................................................33
Test Running .............................................................................................................................................34
Operation ...................................................................................................................................................35
Function of control..................................................................................................................................35
Function of Indoor Unit...........................................................................................................................40
Function of Outdoor Unit ........................................................................................................................41
Remote Control Operation .....................................................................................................................42
Disassembly ..............................................................................................................................................43
Indoor Unit..............................................................................................................................................43
Schematic Diagram...................................................................................................................................46
Electronic Control Device .......................................................................................................................46
Wiring Diagram.......................................................................................................................................49
Components Locations...........................................................................................................................50
Troubleshooting Guide.............................................................................................................................54
Refrigeration Cycle Diagram ..................................................................................................................54
Self-diagnosis Function..........................................................................................................................55
Cycle Troubleshooting Guide..................................................................................................................56
Electronic Parts Troubleshooting Guide .................................................................................................57
Error Code..............................................................................................................................................62
2-way, 3-way Valve ....................................................................................................................................66