DMP Electronics 503INT Installation Manual

503INT INTERNATIONAL POWER SUPPLY
Installation Guide
L N + BAT - + BAT - AC TRBL | BAT TRBL
Figure 1: 503INT International
Power Supply
DESCRIPTION
The 503INT International Power
Supply is a regulated, power
limited, switching power supply
rated for a maximum output of
15 VDC at 2.7 Amps. The 503INT is
a supervised power supply.
The 503INT includes battery leads
and is offered pre-mounted in an
enclosure with wall and enclosure
door tampers or as a separate
PCB.
The 503INT also provides
connections for 230 VAC input,
standby battery input, DC output,
AC and battery trouble relays,
data bus input/output, tamper
input, and keypad programming
connection.
Compatibility
All DMP International
control panels.
What is Included?
• 503INT International Power
Supply
• High Voltage Shield
• Hardware Pack
1
FROM PANEL |
2
Standoff
Holes
3

MOUNT THE ENCLOSURE

Mount the metal enclosure on a solid, flat, vertical, and
secure surface such as dry wall or masonry using four #8 1/2"
panhead screws. This is to protect the unit from damage due
to tampering or the elements. See Figure 4 for the mounting
orientation.

MOUNT THE 503INT PCB

Mount the 503INT PCB in the metal enclosure using the
provided hardware. See Figure 2 for mounting hole locations.
1. Place the PCB inside the metal enclosure.
2. Install the three standoffs in the standoff holes.
3. Install the two screws in the mounting holes.
L N + BAT - + BAT -
Figure 2: Mounting Hole Locations

WIRE AC CONNECTIONS

AC power connection should only be installed by a qualified
electrician. Before turning on the 503INT's AC power, make
sure all electrical covers are in place.
Caution: Do not apply power to the 503INT until all wiring
connections are made and free of direct shorts or open
circuits.
1. Connect the AC power input to an unswitched 230 VAC
50 Hz power source with at least 1.5 Amps of available
current.
2. Connect the AC power wires
to the terminal block. See
Figure 3.
• Connect the brown wire to the
L terminal
• Connect the blue wire to the
N terminal
• Connect the green and yellow
wire to the (ground) stud using a
ring terminal.
AC TRBL | BAT TRBL FROM PANEL |
Mounting Holes
Green and
Yellow Wire
To ground
Figure 3: AC Terminals
and Wires
Standoff
Hole
J1
AC
L N
Brown Wire
Blue Wire