2. WIRING
2-9
2.7 Power Supply Unit (PR-300/PR-850A)
Input voltage is available from 100/110//220 VAC (default voltage 220 V).
Open the top cover of the power supply unit and change wiring on the power trans-
former according to input voltage, referring to the figure below. Further change the la-
bel on the front panel to show input voltage used.
2.7.1 Wiring for PR-300
Wire the PR-300 according to the ship's mains specifications.
Also, change the fuse according to ship’s mains.
2.7.2 Wiring for PR-850A
Wire the PR-850A according to the ship's mains specifications.
Input Voltage Fuse
100/110 VAC 10 A
220 VAC 5 A
110
100
0
110
100
0
NC
100 (FAN)
0
100 VAC
FAN
100V
±
10%
110
100
0
110
100
0
NC
100 (FAN)
0
110 VAC
FAN
110V
±
10%
110
100
0
110
100
0
NC
100 (FAN)
0
220 VAC
FAN
220V
±
10%
0
100
110
120
0
100
110
120
BLKBLK
BLKBLK
BLKBLK
WHTWHT
WHTWHT
100 VAC
0
100
110
120
0
100
110
120
110 VAC
BLKBLK
BLKBLK
BLKBLK
WHTWHT
WHTWHT
220 VAC (default)
0
100
110
120
0
100
110
120
BLKBLK
BLKBLK
BLKBLK
WHTWHT WHTWHT