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2 Room Air Conditioner
Air Conditioner Service Manual
TABLE OF CONTENTS
Safety Precautions...........................................................................................................................................................3
Dimensions.......................................................................................................................................................................9
Symbols Used in this Manual .....................................................................................................................................9
Indoor Unit ..................................................................................................................................................................9
Outdoor Unit .............................................................................................................................................................10
Product Specifications ..................................................................................................................................................11
Installation ......................................................................................................................................................................12
Installation Parts .......................................................................................................................................................12
Installation Tools.......................................................................................................................................................12
Installtion Map...........................................................................................................................................................13
Confirm the Refrigerant ............................................................................................................................................14
Select the best Locations..........................................................................................................................................15
Piping Length and Elevation.....................................................................................................................................16
Preparing Work for Installation .................................................................................................................................17
Fixing Indoor Unit......................................................................................................................................................18
Flaring work and connection of piping ........................................................................................................................19
Flaring work ..............................................................................................................................................................19
Connection of piping-Indoor......................................................................................................................................20
Connection of the drain hose....................................................................................................................................21
Connection of piping-Outdoor...................................................................................................................................23
Connecting the cable between indoor unit and outdoor unit ....................................................................................24
Connect the cable to the Indoor unit.........................................................................................................................24
Connection method of the connecting cable(Example) ............................................................................................25
Checking the drainage and forming the pipings.........................................................................................................26
Checking the drainage..............................................................................................................................................27
Forming the piping....................................................................................................................................................28
AIR PURGING .................................................................................................................................................................29
Air purging ................................................................................................................................................................29
Charging ...................................................................................................................................................................31
Panel front assembly ................................................................................................................................................32
Test running..............................................................................................................................................................33
How to replace picture & photograph ..........................................................................................................................35
Operation ........................................................................................................................................................................36
Functions ..................................................................................................................................................................36
The function of main control .....................................................................................................................................37
Display Function ......................................................................................................................................................43
Self-diagnosis Function ............................................................................................................................................43
Remote Control Operations......................................................................................................................................44
Disassembly ...................................................................................................................................................................45
Indoor Unit ................................................................................................................................................................45
Schematic Diagram........................................................................................................................................................47
Heat Pump/Cooling Only Series(Indoor Unit)...........................................................................................................47
Heat Pump Series (Outdoor Unit).............................................................................................................................48
INDOOR UNIT P.W.B. ASSEMBLY .........................................................................................................................49
OUTDOOR UNIT P.W.B. ASSEMBLY .....................................................................................................................50
DISPLAY P.W.B. ASM..............................................................................................................................................51
Wiring Diagram.........................................................................................................................................................52
Troubleshooting Guide..................................................................................................................................................54
Refrigeration Cycle Diagram.....................................................................................................................................54
Pipe length and the elevation ...................................................................................................................................55
3-way Valve ..............................................................................................................................................................56
Cycle Parts ...............................................................................................................................................................62
Electronic Parts.........................................................................................................................................................63
Exploded View................................................................................................................................................................72
Replacement Parts List..................................................................................................................................................74