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