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2 Multi type Air Conditioner
Multi type Air Conditioner Service Manual
TABLE OF CONTENTS
Model Number Nomenclature ....................................................................................................................3
Symbols Used in this Manual ...................................................................................................................4
Safety Precautions......................................................................................................................................5
Dimensions................................................................................................................................................11
Indoor Unit.............................................................................................................................................11
Outdoor Unit ...........................................................................................................................................12
Product Specifications .............................................................................................................................13
Installation .................................................................................................................................................15
Installation Parts.....................................................................................................................................15
Installation Tools.....................................................................................................................................15
Select the best location .........................................................................................................................16
Piping length and elevation ....................................................................................................................17
Fixing Installation Plate(Standart Type)..................................................................................................18
Preparing work for Installation (Artcool Type Only) ................................................................................19
Flaring Work and Connection of Piping..................................................................................................21
Flaring work............................................................................................................................................21
Connecting the Piping ............................................................................................................................22
Connecting the Cable between Indoor Unit and Outdoor Unit.............................................................30
Connect the cable to the Indoor unit. .....................................................................................................30
Connect the cable to the Outdoor unit....................................................................................................31
Connection method of the connecting cable(Example)..........................................................................32
Connect the cable to the indoor unit.......................................................................................................33
Checking the Drainage, Forming the Pipings and Long Pipe Setting .................................................34
Checking the drainage............................................................................................................................34
Forming the piping..................................................................................................................................35
Air Purging and Evacuation .....................................................................................................................36
Checking method ...................................................................................................................................36
Evacuation..............................................................................................................................................37
Charging ....................................................................................................................................................38
Test Running .............................................................................................................................................39
Operation ...................................................................................................................................................40
Function of control..................................................................................................................................40
Function of Indoor Unit...........................................................................................................................45
Function of Outdoor Unit ........................................................................................................................47
Remote Control Operation .....................................................................................................................48
Disassembly ..............................................................................................................................................49
Indoor Unit..............................................................................................................................................49
Schematic Diagram...................................................................................................................................54
Electronic Control Device .......................................................................................................................54
Wiring Diagram.......................................................................................................................................58
Components Locations...........................................................................................................................59
Troubleshooting Guide.............................................................................................................................64
Refrigeration Cycle Diagram ..................................................................................................................64
Self-diagnosis Function..........................................................................................................................65
Cycle Troubleshooting Guide..................................................................................................................66
Electronic Parts Troubleshooting Guide .................................................................................................67
General Information................................................................................................................................72
2-way, 3-way Valve ....................................................................................................................................78
Exploded View & Replacement Parts List ..............................................................................................82
Indoor Unit .............................................................................................................................................82
Outdoor Unit ..........................................................................................................................................86