11
P S U-1 Wirin g Dia g ra m
It is recommended that the battery charging Current Limiter is used when using back-up batteries with
the PSU-1 to prevent overloading. Note: External loads are to be wired directly off the PSU-1, not off
the Battery.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
+
-
24VDC AUX. OUTPUT (OP TIONAL)
BATTERY
NEUTRAL
-
+
CONNECT POSITIVE TERMINAL
TO (4) IF EXTERNAL BA TTERY
CHARGER IS USED
AC INPUT SUPPLY
ACTIVE
EARTH
1N5819
CURRENT LIMITER
CLOSE FOR OFF
18 ohms 2W
P S -1 Wirin g Dia g ra m – AC S u p p ly
+
-
PS-1
OFF
E
N
A
+
-
24 VDC AUX. OUTPUT (OPTIONAL)
LOW POWER DC OUTPUT
(FOR RADIO OR OTHER DEVICE)
BATTERY
TE MP.
SENSOR
NEUTRAL
+
-
TAPE TE MPERA TURE SENSOR
TO NEGA TIVE BATTERY
TERMINAL. CONNECT BLACK
STRIPED WIRE OF SENSOR TO
R- OR B-
90-250 VAC INPUT SUPPLY
VA+
VA-
R+
R-
TS
B+
B-
ACTIV E
EARTH