Hitachi RPI-1.5FSRE - 7.2 SETTINGS OF DIP SWITCHES

7.2 SETTINGS OF DIP SWITCHES
Quantity and position of DIP switches
DIP switches position is the following:
! CAUTION
Before setting DIP switches, rstly 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.
? NOTE
• The mark “ ■” indicates position of DIP 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.
Indication
Use athead driver
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 1.5 2.0 2.5
Factory setting
HP 3.0 4.0 5.0
Factory setting
HP 6.0
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 DSW4 Setting
RPI
Factory setting
DSW5 and RSW1: refrigerant cycle number setting
Setting is required. Setting before shipment.
DSW5 factory setting RSW1
Here is set DSW5 and RSW1 before shipment up to 63 can be set.
Example of setting 5 system RSW1
Fix to 5
DSW6 and RSW2: unit number setting
The below gure indicates the setting before shipment.
DSW6 factory setting RSW2
Here is set DSW6 and RSW2 before shipment up to 63 can be set.
Example of setting nº 16 RSW2
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,
rstly correct the wiring to TB1 and then turn ON #1 (as
showing beside)
DSW9: Optional function
Factory setting
ELECTRICAL WIRING
PMML0528 rev.1 - 02/2021
21
EN