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B. Specifications.
Operating Voltage
Operating Current
Standby Current
Sound Output
Frequency Response
Output Voltage (tone module installed)
Weight (approx.)
Dimensions (HWD -without tone module)
C. Unpacking.
After unpacking the unit, examine it carefully for damage that may have occurred in transit. If
the equipment has been damaged, file a claim immediately with the carrier, stating the extent of
the damage. Before proceeding, ensure that the parts listed in the KIT CONTENTS LIST have
been supplied.
D. Kit Contents List.
Qty.
2
2
E. Installation.
The Model 50GCB is intended for ceiling mounting. Two wire nuts are supplied for insulating
wiring splices. In addition, two machine screws are included to attach the unit to an electrical
box. After the mounting method and location have been selected, follow the procedure in the
appropriate paragraph of this section.
Ceiling mounting the 50GCB is accomplished by using R4NB back-box with hanger bracket,
or equal, and the supplied 8-32 x 1-1/4" pan head screws as shown in figure 1. Use of the back
box is optional when mounting the 24 volt DC version.
F. Power Connections.
On single unit installations, connect one of the power leads through an on-off switch. An on-
off switch is not used when the units are installed as part of a SelecTone System using a Model
300SSC SelecTone Command unit. When the unit is to be operated from an AC source, con-
nect the black power leads to the phase side of the line and the white leads to the common side
of the line.
G. Tone Module Installation (Single tone, switched power).
See figure 2. Insert the tone module into the receptacle, at the rear of the 50GCB, with the foil
side of the circuit board toward the speaker. Make sure that the tone module connector is fully
inserted and that the top edge of the module is beneath the clip. Ensure that the unit is working
correctly after installation.
Description
Screw, 8-32 x 1-1/4", Phillips Pan Hd.
Wire Nuts
24VAC or DC and 120VAC
290mA @ 24VAC,
90mA @ 24VDC,
40mA @ 120VAC
147mA @ 24VAC,
37mA @ 24VDC,
40mA @ 120VAC
Up to 88dBA at 10 feet.
400-4000 Hz (±2dB)
20Vrms
1.6 lbs. (726g-without tone module)
7-1/8" x 7-1/8" x 2-7/16"
(181mm x 181mm x 62mm)
-2-
Part Number
7000A435-20
8287A154
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