Digital Monitoring Products 502 User guide

Brand
Digital Monitoring Products
Model
502
Type
User guide
InstallatIon sheet
LT-0451 (9/13) © 2013 Digital Monitoring Products, Inc.
502-12 Power Supply
Installation
1. Mount the Model 502-12 in desired location.
2. Connect transformer to terminals marked “AC Input” (J2).
3. Connect batteries to terminals marked “ + Bat - Input” (J3).
(Battery leads included) OBSERVE POLARITY
4. Connect devices to terminals marked “ + DC - Output” (J5).
Note: Measure and verify output voltage and current to ensure
proper operation of connected equipment.
502-12 Power Supply
J2 J3 J5
AC + BAT –+ DC –
Green
LED
AC
Red
LED
DC
Battery wires included
RedBlack
16 to 18 AWG wire
Plug 40 VA
transformer
into 120 VAC
60 Hz outlet
not controlled
by a switch.
Specications
12 VDC power supply
13.8 to 10.2 voltage range
2 Amp continuous supply current
Short circuit protection
75mA internal current draw
Primary Power Supply
120 VAC 60 Hz, 1.5 Amps unswitched
DMP Model 321 16.5 VAC 40 VA plug-in transformer
Secondary Power Supply
1.0 Amps maximum charge current
Use DMP Model 367, 12 VDC battery
Maximum 15.4 Amp hours
Use DMP Model 318 Dual Battery Harness
Replace batteries every 3 to 5 years
Low battery cutoff at 10.2 VDC
Includes battery leads
LED Operation
Green ON = AC good
Green OFF = AC fail
Red ON = DC good
Red OFF = DC fail
  • Page 1 1

Digital Monitoring Products 502 User guide

Brand
Digital Monitoring Products
Model
502
Type
User guide
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