Hitachi RAS-8FSXNS2E - Page 6

IV
PMML0628 rev.0 - 05/2023
I
General Index
General Index
1. General Informaon ...................................................................................................1
1.1 General notes ....................................................................................................2
1.2 Applied symbols.................................................................................................2
1.3 Product guide ....................................................................................................3
1.4 Product list ......................................................................................................... 4
1.5 Combinaon of base units ................................................................................5
1.5.1 Base units .................................................................................................5
1.5.2 Build up capacity combinaon ................................................................5
1.5.3 Units combinaon ...................................................................................5
2. Name of parts .............................................................................................................8
2.1 Cabinet size S .....................................................................................................9
2.2 Cabinet size M .................................................................................................10
2.3 Cabinet size L ...................................................................................................11
3. Piping work and refrigerant charge ..........................................................................12
3.1 Connecon kit selecon ..................................................................................13
3.2 Pipe size selecon............................................................................................13
3.2.1 Size of pipes (Ø mm) ..............................................................................14
3.2.2 Examples ................................................................................................24
3.3 Pipe connecon ...............................................................................................25
3.3.1 Precauons for the installaon of the outdoor unit .............................26
3.3.2 Piping direcon ...................................................................................... 32
3.3.3 Piping connecon ..................................................................................34
3.3.4 Stop valve ............................................................................................... 34
3.4 Connecon scenarios ......................................................................................39