4
3
Power Supply Board - Features and Operation
CAUTION
Confirm polarity to avoid damage to unit.
NO
DC-
DC-
DC+
NC
NC
C
NO
NC
C
NO
IN
C
24V
12V
CONTROL
OUT
DC
OUT
CONTROL IN
BAT STATUS
AC STATUS
BAT
DC
Switch moved to
left position
Switch moved to
right position
24V
12V
DC
OUTPUT
VOLTAGE
SELECT
LP150
LP250
120VAC NOT present on input
120VAC present on input
NC to C: open
NO to C: closed
NC to C: closed
NO to C: open
AC
STATUS
NC to C: open
NO to C: closed
NC to C: closed
NO to C: open
BAT
STATUS
Battery not connected or
battery low
Battery connected and
charging or providing battery
backup
CONTROL IN
IN to C: open contacts
IN to C: closed contacts
CONTROL OUT
NC to DC-: 0V
NO to DC-: DC+ out
NC to DC-: DC+ out
NO to DC-: 0V
CONTROL
24VDC
BATTERY
CONFIGURATION
12V
BATTERY
12V
BATTERY
Yellow
Black
Red
12V
BATTERY
Red
Black
12VDC
BATTERY
CONFIGURATION
OR
24V
12V
BAT- BAT+
120VAC NOT present on input
120VAC present on input
off
on
120VAC
green LED
DC output off or shorted/overload
DC output on (12 or 24V)
DC
red LED
off
on
Battery not connected or
battery low
Battery connected and
charging or providing battery
backup
BAT
red LED
off
on
Non power-
limited
L: Line, hot
G: Ground
N: Neutral
120VAC, 60Hz
input voltage
120VAC
L
G
N
Hot
Neutral
Earth Ground
Green/Yellow
Non power-limited, Class 1
Keep power-limited wiring separate from non power-limited wiring.
Minimum 1/4" spacing must be provided.
When installing, route field wiring away from sharp projections, corners, and
internal components. Deburr all conduit fittings.
CAUTION
WARNING
WARNING
Must be connected via rigid conduit.
