Examples Of The System Of Connection Between H-Link And H-Link Ii Units - Hitachi RASC-4HNPE Service Manual

4 Electrical and control settings
H-LINK II system

4.7.5 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 FSN(H)(2/3/4)
(E)(M)(i)(-DU) units.
B
A
C
D
A. Refrigerant cycle.
B. RASC 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.
72 SMGB0091 rev.2 - 11/2015
A A A
A
D
E
A A
A A
D D
F