Fujitsu GENERAL ARHG72LHTA, Design & Technical Manual

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CONTENTS
Part 1. INDOOR UNIT....................................................................... 1
1. Product features........................................................................................2
1-1. System outline ............................................................................................................ 2
2. Specifications............................................................................................3
3. Dimensions................................................................................................4
3-1. Models: ARHG72LHTA and ARHG90LHTA ............................................................... 4
3-2. Installation space requirement .................................................................................... 5
3-3. Maintenance space requirement................................................................................. 6
4. Wiring diagrams ........................................................................................7
4-1. Model: ARHG72LHTA................................................................................................. 7
4-2. Model: ARHG90LHTA................................................................................................. 8
5. Capacity table............................................................................................9
5-1. Cooling capacity.......................................................................................................... 9
5-2. Heating capacity ....................................................................................................... 10
6. Fan performance .....................................................................................11
6-1. Fan performance curve............................................................................................. 11
6-2. Airflow ....................................................................................................................... 15
7. Operation noise (sound pressure).........................................................17
7-1. Noise level curve....................................................................................................... 17
7-2. Sound level check point ............................................................................................ 18
8. Electrical characteristics ........................................................................19
9. Safety devices .........................................................................................20
10. External input and output.......................................................................21
10-1.External input ........................................................................................................... 22
10-2.External output......................................................................................................... 23
10-3.Combination of external input and output................................................................. 24
10-4.Details of function .................................................................................................... 26
11. Remote controller ...................................................................................32
11-1.Wired remote controller............................................................................................ 32
12. Function settings ....................................................................................35
12-1.Function settings on indoor unit ............................................................................... 35
12-2.Function settings by using remote controller............................................................ 37
13. Accessories .............................................................................................48
14. Optional parts..........................................................................................49
14-1.Controllers ............................................................................................................... 49
14-2.Others ...................................................................................................................... 51