Valcom SIGNATURE V-1420 Installation Insructions page 2

VALCOM SIGNATURE SERIES
CEILING SPEAKER
TM
Valcom Signature Series Ceiling Speaker, V-1420, is a high fidelity, self-
amplified (6 watt amplifier) speaker and may be used to provide one-way paging
and high quality music reproduction from any Valcom page control. This
speaker has an adjustable volume control located on the front of the unit. The
V-1420 required -24VDC, 200mA (4 Valcom power units). The speaker is
available in a white powder epoxy finish.
NOTE: No power amplifier required. Do not connect this speaker directly
to a 25/70/100 volt amplifier as damage to both the amplifier and
speaker may occur. (Recommended nominal input level to the
V-1420 is -10dBm).
MOUNTING CONNECTIONS
Cut an 8.5" diameter hole in ceiling tile. After connections have been made to
the speaker, attach speaker to ceiling tile using the mounting hardware provided.
(A metal backbox with rails is available separately as model V-9816M).
Typical Connections to a Valcom Page Adapter
Tip/A
P a ge
Ring/B
Out
-24 V dc
Valcom Page
Control G nd
FIG URE 1
Valcom -24 Vdc
Powe r Supply
Recommended Quantity of Speakers per Specific Power Run
(Standard Category 3 Twisted Pair Telephone Wire)
SPEAKERS PER
POWER RUN
V-1420
4
2
1
TM
, HIGH FIDELITY
2-pair twis ted
telephone wire
V-1420
One Way
Amplifie d
Spe ake r
WIRE RUN LENGTH (FT.)
24-AWG 22AWG
300 500
500 800
775 1200
FCC NOTICE
NOTE: The equipment has been tested and found to comply with the limits for Class A
digital devices, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own expense.
NOTE: This unit was tested with shielded cables and peripheral devices. Shielded
cables must be used with the unit to insure compliance.
NOTE: The manufacturer is not responsible for any radio or TV interference caused by
unauthorized modifications to this equipment. Such modifications could void the user's
authority to operate the equipment.
TROUBLESHOOTING CHART
SYMPTOM
No audio from 1. Verify volume control is turned up (clockwise).
speaker 2. Using a lineman's test set, check for proper audio level on
Tip/A and Ring/B leads and if necessary at the source.
Low volume 1. Verify volume control is turned up.
from speaker 2. Check voltage at the speaker when in use, (-18 to -24VDC
required).
3. Using a lineman's test set, check for proper audio level on
Tip/A and Ring/B leads. It is possible some low level audio
will be heard with only one side of Tip/A and Ring/B
connected.
Loud squeal 1. Decrease volume of speaker (counterclockwise).
(feedback). 2. Increase the distance between telephone and speaker.
3. Install confidencer on the telephone in severe problem areas.
Dimensions/Weight
•
13.0"Dia. x 3.0"D (33cm Dia. x 7.6cm D)
•
3.5 lbs. (1.59 kg)
ACTION