Issue
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1
947994
V-1040
INSTALLATION INSTRUCTIONS FOR
CLEAN ROOM CEILING SPEAKER
The Valcom Ceiling Speaker, V-1040 is a self-amplified and capable of reproducing voice paging in clean room
environments. The V-1040 has a screwdriver adjustable volume control located on the 1 watt amplifier circuit
board. The V-1040 has an 8-inch speaker. The speaker requires -24VDC, 50mA (1-power unit). The speaker
features the following, large rubber o-ring to seal the grille to the ceiling, rubber washers for all mounting hardware
and a polycarbonate dust shield located between the speaker and the grille.
Dimensions/Weight
•
V-1040
13.00"Dia. x 3.00"D
(33.02cm Dia. x 7.62cm D)
2.5 lbs. (1.13kg)
Coverage
The area covered by a ceiling speaker is determined by the height of the ceiling. If ceiling height is 8 feet,
the speaker will cover 256 sq. ft. With a ceiling height of 10 feet, the speaker will cover 400 sq. ft. If the
ceiling is 20 feet high, the speaker will cover 1600 sq. ft.
Connections
Refer to Figure 1 for audio and electrical
connections. Category 3 24 AWG structured
cable may be used for all connections.
FIGURE 1: TYPICAL CONNECTIONS
NOTE: Do not connect this speaker directly
to a 25/70/100 Volt amplifier as damage to
both the amplifier and speaker may occur.
A V-1095 may be used to allow the use of
Valcom self-amplified speakers on 70V
speaker lines.
Installation
Suspended Ceiling Installation
After determining the speaker location and referring to Figure 2 cut an 8.5” diameter hole in the ceiling
tile. Attach the backbox to the bridge with the four screws provided and position the assembly on the
back of the ceiling tile.
Before continuing speaker installation using a small screwdriver set Volume
Control to 2/3 rotation.
Place the large rubber O-ring on the back of the speaker assembly and using
the four screws equipped with washers and O-rings mount the speaker assembly to the bridge/backbox
assembly.
Do not over-tighten the speaker mounting screws. Hand-tighten only. For a proper seal the
large O-ring should compress slightly. It is not necessary for the edge of the metal grille to touch the
ceiling tile for a proper seal.
Refer to Figure 2.
Page
Out
Valcom Page
Control
(Tip/A)
(Ring/B)
(-24Vdc)
(Gnd)
Valcom -24 Vdc
Power Supply
One-Way
Amplified
Speaker
