Changing Tap Connections; Changing The Power Fuse - Furuno FS-1570 Installation Manual

2.3.1 PR-300 for FS-1570
Both 100/110/200/220 VAC and 24 VDC are supplied to the AC-DC power supply unit
PR-300. When AC input fails, DC power is supplied.

Changing tap connections

The transformer tap for input voltage has been set to 220 VAC (fuse 5A) at the factory.
If necessary, change the transformer taps setting according to ship's mains.
BROWN
BLUE

Changing the power fuse

Change the power fuse according to AC input voltage as follows.
AC ship's mains
100/110 VAC
200/220 VAC
100V 10A
220V 5A
ON
AC power
source switch
OFF
Grounding
Connect a ground wire between ship's superstructure and a fixing screw on the PR-300.
2-10
BROWN
BLUE
Tap connections in the PR-300
Lamp
Lamp
(green)
(red)
20A
ON
OFF
DC IN
AC IN
AC-DC power supply unit PR-300, rear view
BROWN
BROWN
BLUE
Fuse
10 A
5 A
FURUNO
PR-300
DC OUT
BROWN
BROWN
BLUE
Fuse for AC ship's mains
DC power
source switch