CONTENTS
Part 1. INDOOR UNIT...........................................................................1
1. Specifications................................................................................................2
2. Dimensions....................................................................................................8
2-1. Model: ARU12RGLX........................................................................................................8
2-2. Models: ARU18RGLX, ARU24RGLX, and ARU30RGLX.................................................9
2-3. Models: ARU36RGLX, ARU42RGLX, and ARU48RGLX...............................................10
2-4. Installation space requirement .......................................................................................11
2-5. Maintenance space requirement....................................................................................12
3. Wiring diagrams ..........................................................................................13
3-1. Models: ARU12RGLX, ARU18RGLX, and ARU24RGLX...............................................13
3-2. Models: ARU30RGLX, ARU36RGLX, ARU42RGLX, and ARU48RGLX .......................14
4. Capacity table..............................................................................................15
4-1. Cooling capacity.............................................................................................................15
4-2. Heating capacity ............................................................................................................22
5. Fan performance .........................................................................................26
5-1. Fan performance curve..................................................................................................26
5-2. Airflow ............................................................................................................................40
6. Operation noise (sound pressure).............................................................47
6-1. Noise level curve............................................................................................................47
6-2. Sound level check point .................................................................................................50
7. Safety devices .............................................................................................51
8. External input and output...........................................................................52
8-1. External input.................................................................................................................52
8-2. External output...............................................................................................................54
8-3. Combination of external input and output.......................................................................55
8-4. Details of function ..........................................................................................................58
9. Function settings ........................................................................................83
9-1. Function settings on indoor unit .....................................................................................83
9-2. Function settings by using remote controller..................................................................85
10. Accessories.................................................................................................93
11. Optional parts .............................................................................................94
11-1.Controllers ....................................................................................................................94
11-2.Others...........................................................................................................................95