Examples Of The System Of Connection Between H-Link And H-Link Ii Units - Hitachi UTOPIA R32 Series Technical Catalogue

10 Electrical wiring
H-LINK II system

10.5.4 Examples of the system of connection between H-LINK and H-LINK II units

In the case of mixed systems with H-LINK and H-LINK II, set the H-LINK units in the first 16 position of the system, as in
the following example where 42 systems are connected, 16 with indoor FSN1E units and 26 with indoor FSN4E units.
A: Refrigerant cycle.
B: Outdoor unit.
C: Indoor unit.
D: Indoor unit address.
E: Either the current remote control switch (H-LINK) or the new one (H-LINK II) can be used.
F: Only the new remote control switch (H-LINK II) can be used.
?
N O T E
• The maximum number of indoor units than an H-LINK II can control is 160.
• If you use PSC-5S and the CSNET WEB 2.0 (systems only compatible with H-LINK) bear in mind that it will only recognize 16 indoor
and 16 outdoor units.
110 TCGB0136 rev.1 - 05/2021