Hitachi RPI-16.0FSN3PE-f Manual De Instalación Y Funcionamiento página 18

ELECTRICAL WIRING
5.7 SETTINGS OF DIP SWITCHES
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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:
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C A U T I O N
Before setting dips switches, firstly turn off power source and set the po-
sition of the dips switches. If the switches are set without turning off the
power source, the contents of the setting are invalid.
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N O T E
The mark "■" indicates position of dips switches. Figures show setting
before shipment or after selection.
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DSW6 and RSW1: Unit No. Setting
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.
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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 PCB1 (Upper e-box)
16.0
20.0
10 PMML0323A rev.5 - 05/2016
RSW1
PCB1 PCB2
(Upper e-box) (Lower-ebox)
PCB2 (Lower-ebox)
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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
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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
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N O T E
Set both modules to the same cycle number.
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DSW7: Fuse Recover
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)
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DSW8: (Not used)
No setting is required, due to setting before shipment.
Setting position before shipment is all OFF.
RSW2
RSW2
Fix to 5