Lowell SM810AW Bruksanvisning

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INSTALLATION SHEET #IS-SM
Sound Masking Speaker Systems
Mounting Note:
The speaker system
must be mounted in
accordance with
local, state, and
federal codes and
regulations, and
industry standard
practices.
Electrical and Acoustical Specifications
115 Degrees
Conical
Sensitivity
(70V/1W/1M)
Driver Type Frequency Response
1
4
2
3
UL1480 5th EDITION GENERAL SIGNALING
CSA C22.2 NO. 205-M1983, UL2043
SUITABLE FOR USE IN PLENUM SPACES
GENERAL SIGNALING
EQUIPMENT
Model
Number
Transformer
Taps Switch
Dispersion
(-6dB@2kHz Oct.)
1/4W @ 70V
1/2W @ 70V
1W @ 70V
2W @ 70V
4W @ 70V
“Off” Switch
Position
Is Also
Available
100 Degrees
Conical
170 Degrees
Conical
97.1dB
90.6dB
92.1dB
117Hz-6.9kHz + 7dB
60Hz-16.5kHz + 7dB
85Hz-12.6kHz + 7dB
SM810A
SM810AW
SM810A-BR
SM820A
SM410A
SM820AW
SM410AW
SM820A-BR
SM410A-BR
#810
8" Dual
Cone
#8A50
8" Coaxial
#JR410
4" Single
Cone
Model
Type
Black
With Hangers
Black
With Hangers
Black
With Hangers
White
With Hangers
White
With Hangers
White
With Hangers
Black, Factory
Installed Rails
Instruction Sheet:
IS-SM
P/N: 19211
Page 1 of 2
Printed on 4-24-13
Lowell Manufacturing Company 100 Integram Drive Pacific, Missouri 63069 U.S.A.
Phone: 800-325-9660 Fax: 636-257-6606 (www.lowellmfg.com)
Design Note: Sound masking speakers are typically mounted above the
finished ceiling in the plenum space. In most installations, the sound masking
speakers are installed with the bottom of the enclosure roughly 1' above the
finished ceiling with the speaker aiming upward so the masking noise bounces
off of the slab or deck above. When the plenum space is taller than 6', the
designer may decide that the sound masking speakers should be installed at 6'
or more above the finished ceiling aiming downward. In some instances,
plenum spaces crowded with many obstructions may require that the speakers
be mounted sideways aiming between the obstructions. For other applications,
the designer may choose to rest the masking speakers directly on the lay-in tile
ceiling grid. The exact mounting position of the masking speakers dramatically
affects the dispersion of the sound masking noise. This installation sheet has
been written under the assumption that a qualified consultant or designer has
pre-determined the speaker spacing and mounting orientation that will result in
the desired sound masking noise coverage.
As shipped from the factory, the masking speaker hangers are configured
for aiming the speaker upward. Unfold the speaker hangers as shown.
For models SM810A-BR, SM820A-BR, and SM410A-BR skip to step 6
To install the masking speakers aiming sideways or aiming down, it is
necessary to remove the hangers. To remove and reinstall the hangers, always
rotate the hanger to the 45 degree position as shown. Note: If placing the
speakers under a computer floor or on a shelf, remove and discard the hangers.
To install the speaker aiming sideways, remove the hangers by rotating
them to the 45 degree position. Relocate the hangers to the 45 degree position
in the new location and reinsert the hangers as shown.
To install the speaker aiming downward, remove the hangers by rotating
them to the 45 degree position. Relocate the hangers to the 45 degree position
in the new location and reinsert the hangers as shown.
Black, Factory
Installed Rails
Black, Factory
Installed Rails
Instruction Sheet:
IS-SM
P/N: 19211
Page 2 of 2
Printed on 4-24-13
Lowell Manufacturing Company 100 Integram Drive Pacific, Missouri 63069 U.S.A.
7
6
5
6
9
8
8
10
10
7
Phone: 800-325-9660 Fax: 636-257-6606 (www.lowellmfg.com)
9
5
Use the two (2) (4) foot piece of chain supplied with the “S” hooks and four
masking speaker to suspend the speaker from the building structure. Hanging
point hardware to attach the chain to the building structure will be furnished by
the installer.
Speaker models SM810A-BR, SM820A-BR, and SM410A-BR are shipped
from the factory without hanging brackets, , or chain, because these “S” hooks
models are shipped with factory installed SM-BR rails. SM-BR Bridge Rail Kits
(sold separately) can be mounted in the field to any of the models that are
shipped with hangers and chain. To mount the rails to the enclosure, remove
and discard the hangers (see step 2 on page 1). Place the masking speaker
face down. Locate the six (6) pilot holes in the rear of the speaker enclosure
and six (6) holes on either end of the rails. Use the six (6) Phillips head screws
provided to attach the rails to the bottom of the masking speaker as shown.
Place the masking speaker with the bridge rails attached above the finished
ceiling across the tile grid as shown.
Important Note: Depending upon local codes and regulations, it may be
required to attach the bridge rails to the ceiling tile grid. Holes in the ends of the
bridge rails have been provided so that sheet metals screws (provided by the
installer) can attach the rails to the grid. Also depending upon local codes and
regulations, it may be required for the installer to attach earthquake restraint
cables to the masking speaker. Holes in the vertical flanges at the ends of the
rails are provided for earthquake restraint cables (furnished by the installer).
UL recognized wire nuts or crimp type connectors (provided by the installer)
may be used to make a simple splice to the provided positive red (+) and
common black (-) input wires. After making that splice, loosen the Romex
connector screws and insert the splice into the masking speaker through the
Romex connector. Tighten down the Romex connector clamp to provide strain
relief for the input cable. A cable to the next speaker in the string may be wired
in parallel with the incoming speaker wire as shown.
Note: To attach an additional Romex connector or to mount other conduit fittings
for flexible conduit, the input plate can be removed from the masking speaker.
Two (2) & -outs are provided on the input wiring cavity combination ½” ¾” knock
cover plate. The additional Romex connector or flexible conduit and fittings will
be furnished by the installer.
A transformer tap selector switch is provided on the side of the masking
speaker enclosure. 70V 1/4W, 1/2W, 1W, 2W, and 4W select “OFF” and
positions are provided. The transformer tap switch is set at 1W when shipped
from the factory. Set the selector switch as specified by the system designer.
The input wiring splice should always be permanently located inside of the
masking speaker wiring cavity and not in open space outside of the input plate.
Skip to step .8

Produktspecifikationer

Varumärke: Lowell
Kategori: högtalare
Modell: SM810AW

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