Valcom V-1095 Service Manual
Issue 6
V-1095 70V PAGING EXPANDER
INTRODUCTION
These instructions contain the specifications and
information necessary to install, operate and maintain the
V-1095 70V Paging Expander.
SPECIFICATIONS
Design
The Valcom V-1095 70V Paging Expander is used to
expand 8 Ohm, 25V, 70V or 100V systems into amplified
speaker assemblies. The unit comes with its own surface
mount box which provides 1/2" conduit access. The unit
will accept input signal from a 8 Ohm, 25V, 70V or 100V
paging system and reduce it to a low impedance reduced
level output.
Applications
• To expand existing 8 Ohm/25/70/100V paging
systems without replacing the main amplifier. A
V-1094A preamp expander may also be required
depending on the number of speakers added.
• To provide master volume control convenience to all
or a portion of a paging zone.
Dimensions/Weight
• 4.44"H x 2.75"W x 2.88"D
(11.28cm H x 6.99cm W x 7.32cm D)
• 0.9 lbs. (0.41 kg)
Nominal Specifications
Input Impedance:
100V 20 K Ohm
70V 10 K Ohm
25V 1.25 K Ohm
Output Impedance: 8 Ohms
Frequency Response: 50Hz to 20KHz
INSTALLATION
These instructions cover only the installation of the
Valcom V-1095. Consult the practices of other
equipment if other equipment is being used.
Audio and Power Connections
Expanding a 25/70/100V Amplifier
Paging Amplifier
Output
COM
25V
OR
70V
100V
OR
(V-1095 connects to a
single 25, 70 or 100V
output)
* The V-1095 does not require a power supply.
The power supply is required for speaker /amplifier assemblies.
Expanding an 8 Ohm Amplifier Output
Paging Amplifier
Output
COM
+3dB
8 Ohm
* The V-1095 does not require a power supply.
The power supply is required for speaker/amplifier assemblies.
COM
25V
70V
100V
COM
25V
70V
V-1095 70V
100V
Paging Expander
24VDC Regulated
Power Supply
*
or "A" Battery
Figure 1
V-1095 70V
Paging Expander
24VDC Regulated
Power Supply
*
or "A" Battery
Figure 2
Output
Output
1150
Valcom One-Way
Speaker/Amplifier
Assemblies
1150
Valcom One-Way
Speaker/Amplifier
Assemblies
1 947075
Expanding an 8 Ohm Stereo Output
Mounting
Install Romex connector and closure plugs in appropriate
access holes on supplied single gang weather-resistant
electrical box. Attach mounting lugs to the box with the two
screws provided. Mount the box to suitable surface with
appropriate hardware. Feed audio cable through access
hole in installed surface mount electrical box. After making
required cable connections, attach faceplate to box with
screws provided.
TECHNICAL ASSISTANCE
When trouble is reported, verify there are no broken
connections leading to this unit. Assistance in
troubleshooting is available from the factory. When calling,
have a VOM available 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 your
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
POSSIBLE SOLUTION
Check cabling and cross-connections.
Check cabling and cross-connections.
Stereo Amplifier
Left COM
Channel 8 Ohm
Right COM
Channel 8 Ohm
* The V-1095 does not require a power supply.
The power supply is required for speaker/amplifier assemblies.
COM
25V
70V
V-1095 70V
100V
Paging Expander
24VDC Regulated
Power Supply
*
or "A" Battery
COM
25V
70V
V-1095 70V
100V
Paging Expander
24VDC Regulated
Power Supply
*
or "A" Battery
Output
Output
1150
Valcom One-Way
Speaker/Amplifier
Assemblies
1 150
Valcom One-Way
Speaker/Amplifier
Assemblies
Figure 3
Refer to the figures above for connections. Cabling "D"
type station wire or other suitable pairs may be used for
audio output connection.
Connections
a. Connect 25V, 70V or 100V input leads to
respective amplifier.
b. Connect V-1095 output leads to speaker/
amplifier assemblies or V-1094A.
TROUBLESHOOTING CHART
No audio output to
added speaker
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
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
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: In Canada
Valcom, Inc. CMX Corporation
5614 Hollins Road 35 Van Kirk Drive #11 and 12
Roanoke, VA 24019-5056 Brampton, Ontario L7A 1A5
Phone: (540) 563-2000 Phone: (905) 456-1072
FAX: (540) 362-9800 FAX: (905) 456-2269
PROBLEM
POSSIBLE CAUSES
Open input path
Open output path
to units defaced or physically damaged);
and labor).
VERIFICATION
Monitor audio at input terminals
with lineman's test set. No
audio input.
Monitor audio at output
terminals with lineman's test set.
No audio output.
VALCOM LIMITED WARRANTY
2
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