Hitachi FSG Series, Technical Catalogue

Page: 338 / 424

15
/8
ELECTRICAL WIRING
15.3.7 SETTING OF DIP SWITCHES FOR INDOOR
UNIT
Quantity and Position of Dip Switches
The PCB in the indoor unit is operated with 4 types of dip
and rotatory switch.
Dips switches position is the following:
Indoor Unit PCB
?
NOTE:
The mark “
n
“ indicates position of dips switches.
Figures show setting before shipment..
&
CAUTION:
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 invalid.
RSW: Unit No. Setting
Setting is required. Set the unit No. of all indoor units
respectively and serially, by following setting position shown
in chapter 9. Numbering must start from “0” for every
outdoor unit.
DSW2: Optional Functions Setting (Only RPK)
No setting is required. This switch is utilized for setting the
optional functions as shown in chapter 9.
Setting before shipment
ON
1 2 3 4 5 6 7 8
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 as
indicated in chapter 9.
DSW5: Refrigerant Cycle No. Setting
Setting is required. Setting position before shipment are all
OFF (Refrigerant cycle No. 0). In the same refrigerant cycle,
set the same Ref. cycle number for the Outdoor Unit and for
the Indoor Units as shown in chapter 9.
Setting before shipment
ON
1 2 3 4
DSW6: Unit Model Code Setting (Not available for RPK)
No setting is required. This switch is utilized for setting the
model code which corresponds to the indoor unit type as
indicated in chapter 9.
DSW7: Fuse Recover and Remote Control Selection
Setting required for fuse recover or PC-2H2 selection as
indicated in chapter 9.
Setting before shipment.
ON
1 2
SSW: Remote Control System
New Old
PC-P1HE
Before Shipment.
PC2H2
(see DSW7 settings in chapter 9 for connect
Remote Control selection)
Setting position
Set by inserting a
screwdriver into the
groove.
RCD
RPK
RCI, RPI, RPF, RPFI, RPC