Hitachi SET FREE MINI RAS-3 Manuel D'installation page 31

4. System Example of H-LINK
Using H-LINK System For Only Air Conditioners:
There are two typical cases of using H-LINK system;
(1) Using H-LINK System For Only Air Conditioners.
(2) Using H-LINK System For Air Conditioners With
Central Control Device, and the system examples are
as shown below
Line Connection with All units
Line Connection for Each Floor
ELECTRICAL WIRING
In case that H-LINK is not applied when electrical wiring
-
is performed.
NOTE:
Do not make a wiring in a loop.
In the case that H-LINK is not applied after the when
electrical wiring is performed as shown above, H-
LINK is applied after the instrument wiring is
completed. Therefore, the dip switches are required
to be set according to "Setting of Dip Switches on
PCB".
5. Ajuste dos micro interruptores das PCBs interior e
exterior
É necessário ajustar os micro interruptores de
cada unidade interior e exterior
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