Hitachi R32/R410A-Serie Installations- Und Betriebshandbuch Seite 44

ELECTRICAL WIRING
7.2 SETTINGS OF DIP SWITCHES
Quantity and position of Dip switches
DIP switches position is the following:
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C A U T I O N
Before setting DIP switches, firstly turn off power source and set the
position of the DIP 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.
• To set the position of the rotary switches, insert a screwdriver into the
groove of the RSW.
DSW3: Indoor unit capacity 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 4.0
Factory setting
DSW4: Model setting
No setting is required. This switch is utilized for setting the
model code which corresponds to the indoor unit type.
Indoor Unit Model
RPI
Factory setting
14 PMML0529 rev.1 - 02/2021
Indication
Use flathead driver
5.0 6.0
DSW4 Setting
DSW5 and RSW1: refrigerant cycle number setting
Setting is required. Setting before shipment.
DSW5 factory setting
Here is set DSW5 and RSW1 before shipment up to 63 can be set.
Example of setting 5 system
DSW6 and RSW2: unit number setting
The below figure indicates the setting before shipment.
DSW6 factory setting
Here is set DSW6 and RSW2 before shipment up to 63 can be set.
Example of setting nº 16
DSW7: Fuse Recover
Factory setting
In case of applying high voltage to the terminal 1,2 of
TB1, the fuse on the PCB1(M) is cut. In such a case,
firstly correct the wiring to TB1 and then turn ON #1 (as
showing beside)
DSW9: Optional function
Factory setting
RSW1
RSW1
Fix to 5
RSW2
RSW2