Valcom VP-12124 Bruksanvisning

Valcom Inte kategoriserad VP-12124

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Issue 3

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VP-12124

24 VOLT DC SWITCHING POWER SUPPLY

INTRODUCTION

These instructions provide the specifications,

installation and maintenance information for the

VP-12124 24 Volt Power Supply.

SPECIFICATIONS

The VP-12124 is a fully regulated 24VDC, 12 Amp

switching power supply. The primary is protected by a

6.3 Amp fuse and the six, 2 amp outputs by

auto-resetting fuses. The outputs are floating with

respect to ground. The regulator will maintain 24

Volts +/-2% over the rated range of input voltages and

output loads. A greater than 12 Amp load on power

up will cause the power supply to current limit. Short

circuit protection is provided. Over voltage is provided

to limit the output voltage to approximately 28 Volts

should a failure occur within the power supply.

Outputs may be paralleled but not series connected.

Applications

The VP-12124 is designed to be used with:

• All Valcom page control units

• Valcom one-way amplified speaker assemblies

• Any application where 24VDC filtered talk battery

is required

Design Features

• VP-12124: 90-260VAC, 50/60Hz input

• Hold Up Time: 350mS Power Line Ride Through

• (6) LPS outputs (24VDC @ 2A each)

• Meets Canadian requirements classified Level 3

• Short Circuit Protection

• UL/CSA/TUV Approvals

• LED operational indicator

• EMI filtering

• Auto recovery overload protection

• 83% Efficiency Green Technology

• 3 second power-up delay to drive large capacitive

loads up to 40K µF

• Power Factor Correction

Nominal Specifications

General

Efficiency: 83% @ 12A full load

Weight: 7.7 lbs. (3.5 Kg)

Dimensions: 12.10"H x 8.70"W x 3.90"D

(30.70cm x 22.10cm x 9.90cm)

Input - VP-12124

Voltage: 90-260VAC

Frequency: 50/60Hz

Full Load Line Current: 3A @ 120V/1.5A @ 240V

Rated Power: 360 Watts

Fusing: 6.3A Fast

Output

Rated Power: 300 Watts

Voltage: 24 Volts

Current: 12 Amps (6 - 2A outputs)

Fusing: 6 - 2A, auto-reset polyswitch fuses

Ripple & Noise: 1% P-P Max

Environmental

Operating Temp: 0 to 40oC

Storage Temp: -40o to 85o C

Cooling: Free Air Convection

Humidity: 10 - 90% (non-condensing)

Shock:

Precautionary Notes

INSTALLATION

Mounting

The VP-12124 is designed to be wall mounted, via

mounting slots, within 7 feet of an AC receptacle.

Connections

• Connections to Valcom page control units are

shown in Figure 1.

• When using the VP-12124 with Valcom page

equipment, a strap may be added from the local

CAUTION: To reduce the risk of electric shock,

Do not remove cover.

No user serviceable parts inside.

Refer servicing to qualified service personnel.

This symbol indicates that dangerous

voltage constituting a risk of electric

shock is present within this unit.

This symbol indicates that there are

important operating and maintenance

instructions in the literature accompanying

this unit.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

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ground terminal to either of the "+" outputs.

• When installing Valcom one-way amplified horns,

connect the white and black wires of the horn to

the power supply "-" and "+" terminals

respectively.

• When installing Valcom one-way speakers,

connect the "-24VDC" and "GND" terminals of the

speaker to the "-" and "+" terminals respectively.

• Plug power supply into wall outlet.

• Power supply activates after a 3 second delay.

NOTE: Each 24VDC screw terminal is fused by a

2 Amp polyswitch automatic type fuse. Therefore,

when connecting equipment to this power supply,

the load should be distributed between the (6) 2

Amp output terminals and each load should not

exceed 2 Amps.

TECHNICAL ASSISTANCE

When trouble is reported, verify the unit is properly

connected and there are no broken connections

leading to this unit.

Assistance in troubleshooting is available from the

factory. When calling, have a VOM and a test set and

call from the job site. Call (540) 563-2000 and press

1 for Technical support 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:

Valcom, Inc.

Repair and Return Dept.

5614 Hollins Road

Roanoke, VA 24019-5056

TROUBLESHOOTING CHART

PROBLEMS SOLUTIONS

1. No output.

2. LED pulses in reset mode.

a. Verify AC present at receptacle.

b. Remove DC load and check for 24VDC using a VOM.

a. Locate and correct short circuit in output wiring.

b. Verify total equipment power consumption does not exceed 12 Amps.

P -1 21 24

Po w er S u p ply

S tr a p

- + - + - + - + - + - +

24V O utpu ts 24V O utpu ts

6 O u tp uts, 2 A m ps e ac h

L oc al G N D

Figure 1

VALCOM LIMITED WARRANTY

Valcom, Inc. warrants its products to be free from defects in materials and workmanship under conditions of normal use and service for a period of

one year from the date of shipment. The obligation under this warranty shall be limited to the replacement, repair or refund of any such defective

device within the warranty period, provided that:

1. inspection by Valcom, Inc. indicates the validity of the claim,

2. the defect is not the result of damage, misuse, or negligence after the original shipment.

3. the product has not been altered in any way or repaired by others and that factory sealed units are unopened (a service charge plus

parts and labor will be applied to units defaced or physically damaged),

4. freight charges for the return of products to Valcom are prepaid,

5. all units ‘out of warranty’ are subject to a service charge. The service charge will cover minor repairs (major repairs will be subject to

additional charges for parts and labor).

This warranty is in lieu of and excludes all other warranties, expressed or implied and in no event shall Valcom, Inc. be liable for any

anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in connection with the purchase, operation,

or use of the product.

This warranty specifically excludes damage incurred in shipment. In the event a product is received in damaged condition, the carrier should be

notified immediately. Claims for such damage should be filed with the carrier involved in accordance with the F.O.B. point.

Headquarters:

Valcom Inc.

5614 Hollins Road

Roanoke, VA. 24019-5056

Phone: (540) 563-2000

Fax: (540) 362-9800

3 947280

Produktspecifikationer

Varumärke:	Valcom
Kategori:	Inte kategoriserad
Modell:	VP-12124

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