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5.
HOW TO CHANGE POWER SUP-
PLY SPECIFICATIONS
The AC-DC power supply PR-240 is shipped ready for connection to a 200-230 VAC
ship's mains. If the ship' mains is 100 VAC, change the tap connection and terminal
board connection as below. Attach a label supplied as accessories to the front panel
according to the ship's mains.
Ship's mains
200 to 230 VAC
100 to 115 VAC
(a)
(b)
Front panel
Note: The DC output load must be less than 8 A.
Tap connection
SEL 230 V
SEL 115 V
Remove screw
and cover.
Cover
200-230 VAC
Black
1
2
Gray
3
Terminal board
1
2
3
4
100-115 VAC
5
6
Black
1
7
8
2
Gray
3
AC FAIL: Connect to Alarm system.
Output Setting: Normal Close
AC Power Switch
(When connecting DC input, note that the DC power is
supplied even though this switch is turned off.)
Terminal board
Below (a)
Below (b)
Relay
Coil
3
J4
2
1
SEL
115V
SEL
230V
Tap connection
(Pull out to disconnect.)
Attach appropriate label.
Set plug to 2 & 3 pins of J4 (Factory setting)
Normal Open
Set plug to 1 & 2 pins of J4
Label
200-230 VAC, 2.2-1.7 A,
1 50/60 Hz
100-115 VAC, 3.2-2.6 A,
1 50/60 Hz
Front panel
Heat sink
5-1
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