Hitachi PC-ARF Technical Catalogue page 44

2 Control solutions
H-LINK II Specifications
4 In case of Central Controllers are mixed (H-LINK I and H-LINK II type)
Central Controller
Hold
HII
Refrigerant Cycle Range
Indoor Address Range
Connectable Indoor Units
Maximum Connected Devices
28 28
TCGB0106 rev.0 - 12/2014
Hold
HII/old Hold HII
Hold
HII HII
0-63 If HI(old) Central controller controls Address lower than 16.
0-63 If HI(old) Central controller controls Address lower than 16.
HII
HII/old Hold
HII
HII
Hold
HII HII HII
128 Units
145 Units
HII
HII HII
HII HII