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