Hitachi RCD-0.8FSN3 Installation And Operation Manual page 40

ELECTRICAL WIRING
17.4 DIP SWITCH SETTING
1 Turn OFF all the power supply to the indoor and the outdoor
units before dip switch setting. If not, the setting is invalid.
2
below.
Indoor unit PCB
DSW5 (Refrigerant cycle number setting)
RSW2 (Refrigerant cycle number setting)
DSW3 (Capacity code number setting)
RSW1 (Indoor unit number setting)
DSW6 (Indoor unit number setting)
DSW9 (Optional function setting)
DSW4 (Unit model code setting)
3 The indoor unit number of all indoor units are not required.
The indoor unit number are set by the auto-address function.
If the indoor unit number setting is required, set the unit
number of all indoor units respectively and serially by
following setting position. It is recommended to assign a
units per refrigerant cycle can be connected to H-LINK ll
System, available numbers range from 0 to 63. Therefore,
the applicable number for the 64th indoor unit shall be "0."
For the centralized control, this setting is required.
Factory setting
DSW6 (Tens digit)
ON
1 2 3 4 5 6
N O T E
•
•
DSW6 (Tens digit)
ON
1 2 3 4 5 6
4 Capacity code setting (DSW3). No setting is required, due to
setting before shipment. This switch is used for setting the
capacity code which corresponds to the Horse Power of the
indoor unit.
Horsepower
Setting position
Horsepower
Setting position
32 PMML0416A rev.0 - 12/2015 - P5415720
DSW7 (Fuse recover)
RSW1 (Units digit)
0
RSW1 (Units digit)
0
0.8 1.0
ON ON
ON
1 2 3 4 5 6 1 2 3 4 5 6
1 2 3 4 5 6
2.0 2.5
ON ON ON
1 2 3 4 5 6
1 2 3 4 5 6 1 2 3 4 5 6
Horsepower
Setting position
5 Unit Model Code Setting (DSW4). No setting is required. It is
for setting the model code of the indoor unit.
6 Refrigerant cycle number setting (RSW2 & DSW5). Setting
is required. Setting positions before shipment are all OFF.
Factory setting
DSW5 (Tens digit)
ON
1 2 3 4 5 6
N O T E
•
•
DSW5 (Tens digit)
ON
1 2 3 4 5 6
7 Fuse recover (DSW7). In the case of applying high voltage
to the terminal 1 and 2 of TB2, the fuse (0.5A) on the PCB
turn on Number 1 pin.
Factory setting
ON
8 Optional function setting (DSW9). No setting is required.
Setting positions before shipment are all OFF.
1.5
N O T E
3.0
•
•
4.0
ON
ON
1 2 3 4 5 6
1 2 3 4 5 6
Factory setting
RSW2 (Units digit)
RSW2 (Units digit)
High voltage
1 2
Factory setting
ON
1 2
5.0 6.0
ON
1 2 3 4 5 6
0
0
ON
1 2