Hitachi RPI-16.0FSN3PE Installations- Und Betriebshandbuch Seite 14

5 Electrical wiring
5.7 SETTINGS OF DIP SWITCHES
Quantity and location of Dip Switches

There are two Printed circuit boards (one for each unit) which
must be configured as explained below.
Dip switches location is the following:
C A U T I O N
Before setting dips switches, firstly turn off power source and set
the position of the dips switches. If the switches are set without
turning off the power source, the contents of the setting are in-
valid.
N O T E
The mark "■" indicates position of dips switches. Figures show
setting before shipment or after selection.
DSW6 and RSW1: Unit No. Setting
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No setting is required when there is only one RPI-(16.0/20.0)HP
unit in the group.
Setting before shipment:
DSW6
ON
1 2 3 4 5 6
Unit numbers 1 and 2 are reserved for the first RPI-(16.0/20.0)HP
unit. Further RPI-(16.0/20.0)HP units as well as other indoor units
in the same group require the adjustment of unit number.
DSW3: Capacity Code Setting

No setting is required, due to setting before shipment. This dip
switch is utilized for setting the capacity code which corresponds
to the Horse Power of the indoor unit.
HP
16.0
20.0
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RSW1
PCB1
(Upper e-box) (Lower-ebox)
PCB1 (Upper e-box) PCB2 (Lower-ebox)
10 PMML0323A rev.2 - 06/2014
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DSW4: Unit Model Code Setting

No setting is required. This switch is utilized for setting the model
code which corresponds to the indoor unit type.
Setting before shipment
DSW5 and RSW2: Refrigerant Cycle No. Setting

Setting is required.
Setting position before shipment:
DSW5
ON
1 2 3 4 5 6
DSW5 and RSW2 can be set up to 63
Ex. Setting 5 system
ON
1 2 3 4 5 6
All pins are OFF
N O T E
Set both modules to the same cycle number.
DSW7: Fuse Recover

PCB2
Setting before shipment
In case of applying high voltage to the terminal 1,2
of TB1, the fuse on the PCB is cut. In such a case,
firstly correct the wiring to TB1 and then turn ON #1
(as showing beside)
DSW8: (Not used)

No setting is required, due to setting before shipment.
Setting position before shipment is all OFF.
RSW2
RSW2
Fix to 5