Hitachi RCI-1.0FSN3 Service Manual page 175

4 Electrical wiring
DSW6 switch / RSW1 rotary switch: Unit no. setting
Set DSW6 and RSW1 to modify the indoor unit address. The setting must be made so that it does not overlap the setting of other
indoor units in the same refrigerant cycle. If the setting is not made manually, the automatic address function will be enabled.
Tens setting (second digit)
Example for number 16
DSW7 switch: Fuse recover
No setting is required. Setting position before shipment.
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)
DSW5 switch / RSW2 rotary switch: refrigerant cycle number setting
This is used to set the refrigerant cycle number.
N O T E
• The factory setting of DSW5 switches is OFF.
• The rotary switches are set by inserting a screwdriver of the appropriate size into the centre groove.
Tens setting (second digit)
Example for number 5
163
SMGB0077 rev.0 - 01/2013
Setting position (DSW6)
Setting position (DSW5)
Unit setting (first digit)
+
ON
1 2
ON
1 2
Unit setting (first digit)
+
Setting position (RSW1)
Setting position (RSW2)
0
4