Valcom VP-2048C User Manual

IDENTIFICATION

The VP-2048C is a fully regulated 48VDC 2 Amp
power supply ("A" Battery). The input is fuse
protected and the output is floating with respect to
ground. The regulator will maintain 48 +/- 3 Volts
over the entire input voltage range. Upon power up, a
load greater than 2 Amps will shut the power supply
off. Short circuit protection is also provided. The
VP-2048C can be used with Valcom V-1038 paging
horn or any application where 48VDC filtered ("A")
battery is required. The VP-2048C is CSA, UL and
CE listed.

NOMINAL SPECIFICATIONS

Input: 105 to 120VAC, 60Hz, 150 Watts
Output: 48VDC +/-3V "A" Battery
(ripple 10mV maximum) 2 Amps @ 25°C
Environment
Temperature:
Humidity: 0 to 85% (non-precipitating)
Dimensions: 10.70"H x 6.35"W x 3.70"D
(27.18cm H x 16.13cm W x 9.40cm D)
Weight:

INSTALLATION

The VP-2048C is designed to be wall-mounted within
4.50 feet of an AC receptacle.
___ 1. Using 12 AWG or larger ground wire,
connect the local ground screw terminal to a
cold water pipe or earth ground.
___ 2. Connect device requiring power to screw
terminal labeled -48V, 2A and to the screw
terminal labeled GND.
___ 3. Connect a strap between the local ground
and ground output terminals when using the
VP-2048C with Valcom equipment.
VP-2048C
48 VOLT DC POWER SUPPLY
0 to +50°C
12 lbs. (5.44 kg)
TECHNICAL ASSISTANCE
When trouble is reported, verify there are no broken
connections. Troubleshooting assistance is available
from the factory. Call (540) 563-2000 for Technical
Support or (540) 767-1555 for Valcom 24-hour
Faxback System or visit our website at
http://www.valcom.com.
Valcom equipment is not field repairable. Valcom,
Inc. maintains service facilities in Roanoke, VA.
Should repairs be necessary, attach a tag to the unit
clearly stating company name, address, phone
number, contact person and the nature of the problem.
Send the unit to:
Repair and Return Dept.
Roanoke, VA 24019-5056
1
VSP-VP-2048C
Valcom, Inc.
5614 Hollins Road
Issue 2
947746