Hitachi RAS-4-HNPE - DIP Switch Setting for Twin, Triple and Quad Systems

4. Electrical wiring
102
SMGB0079 rev.0 - 01/2013
4.5.3 DIP Switch setting for twin, triple and quad systems
Dip switch of indoor PCB and outdoor H-LINK II
The DIP switches of all the indoor and outdoor units have to be set and the impedance of the transmission circuit adapted.
• Example of the setting of the DIP switches.
A B C
D
E
F
E
G
H
F
I
J
A: Cycle No. 0.
B: Cycle No. 1.
C: Cycle No. 2.
D: Terminal resistance.
E: No. of refrigerant cycle (setting for the tenth digit).
F: No. of refrigerant cycle (setting for the last digit).
G: Outdoor units.
H: Indoor units.
I: Address of the indoor unit (setting for the tenth digit).
J: Address of the indoor unit (setting for the tenth digit).