2Multi 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