Hitachi UTOPIA R32 Series Installation And Operation Manual page 61

Outdoor unit RAS-(2-3)HVRC3
Refrigerant cycle
Terminal resistance
Indoor unit
Refrigerant cycle DSW5 RSW (1/2) (*)
Indoor unit address DSW6 RSW (1/2) (*)
(*) See in the indoor unit technical documentation de corresponding RWS number.
PMEN0654 rev.0 - 12/2023
For setting refrigerant cycle address of outdoor unit. Set the DSW
DSW4 / RSW1 and RSW not to overlap the setting of other outdoor unit in the same
H-LINK system.
For matching impedance of transmission circuit, set the DSW5
DSW5
according to the quantity of outdoor units in the H-LINK system.
For setting refrigerant cycle address of indoor units.
Set the DSW5 and RSW1/2 (*) corresponding to the address of
outdoor unit in the same refrigerant cycle.
For setting indoor unit address. Set the DSW6 and RSW1/2 (*) not to
overlap the setting of other indoor units in the same refrigerant cycle.
(If not set, the automatic address function is performed).
Function
12
52