Valcom V-9955 Service Manual
Issue 2
V-9955
AUXILLIARY RELAY UNIT
INTRODUCTION
These instructions provide identification,
installation, connection, operation, and
maintenance information for the V-9955
Valcom Auxiliary Relay Unit.
SPECIFICATIONS
Applications
• Strobe Activation.
• Door Control.
• Camera Control.
Features
• Three 24 VDC 2 Pole Relays with 1 amp
contacts.
K3 RELAY
• Screw Terminals for all connections.
• Independent control or simultaneous
operation of relays.
• Unit is expandable to 6 relays by adding
V-9957 expansion board.
Dimensions/Weight
• 7.10”H x 4.7”W x 2.10"D
(18.03 cm H x 11.94 cm W x 5.33 cm D)
0.70lbs. (32kg).
Power Requirements
–21.5 to –26 VDC Battery, 20mA per relay
coil.
K2 RELAY
K1 RELAY
DIODE
ANODE
15
30
DIODE
CATHODE
K3
AUX
AUX
N/C
K1
K2
AUX
GND
N/O N/C STA
N/O N/C STA
K3 RELAY
IN *
-24
IN *
GND
N/ON/C STA
IN *
-24
N/O N/C STA
IN *
GND
N/O N/C STA
IN *
1
16
-24
N/O N/C STA
IN *
K1 RELAYK2 RELAY
* Denotes Relay Coil
Terminal Designations
948095
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Figure 1 Typical Connections for Strobe Light Control
GND
N/O N/C STA
IN *
-24
IN *
ACTIVATES
K2 RELAY
STROBE
K1 RELAY
N/C
STA
N/O N/C STA
GND
IN *
N/O
-24VDC
1
-24
IN *
16
ACTIVATES
K1 RELAY
K3 RELAY
DIODE
ANODE
15
AVAILABLE
DIODE
30
ACTIVATES K1, K2
& K3 RELAYS
SEE NOTE 1
K3
AUX
DIODE
CATHODE
K1
AUX
N/C
AUX
K2
N/O N/C STA
ACTIVATES
K3 RELAY
-24VDC
STROBE
NOTE 1: A GROUND PLACED ON AUX 1, AUX 2 OR AUX 3 WILL ACTIVATE K1, K2 OR K3
RESPECTIVELY INDEPENDENT OF A GROUND PLACED DIRECTLY ON THE RELAY COIL
GROUND TERMINAL.
STROBE
K2 RELAY
GND
IN *
N/O N/C STA
N/ON/ C STA
-24
IN *
-24VDC
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
In Canada:
CMX Corporation
35 Van Kirk Drive #11 and 12
Brampton, Ontario L7A 1A5
Phone: (905) 456-1072
FAX: (905) 456-2269
948095
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