Hitachi RPIH-3.0HNAUN1Q Operation, Installation, And Maintenance Manual page 22

Inverter-driven multi-split air conditioner
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2
(A) Positions of DIP Switches
(B)
(1)
H-LINK II.
(2)
The refrigeration system codes of all indoor units
are required to be set based on the position
diagram below. All are set to OFF before delivery.
H-LINK II.
5
0
H-LINK II.
H-LINK II.
(3)
Safety reset (DSW7)
No setup is needed
All are set to OFF before delivery.
* In the case of applying high voltage to
terminals 1 and 2 of TB2, the fuse on the PCB,
is cut.
In such a case, firstly connect the wiring to TB2,
and then turn on NO.1 pin.
Other DIP switches than above-noted ones to be
set are set up before delivery, and shall not be
modified without permission, since unauthorized
modification may lead to unit malfunction.
The power supply shall be turned off before the
setup of DIP switch. The settings will be invalid if
power supply is not turned off.
15

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