Edwards Signaling B-8141-M User Manual
EDWARDS
Installation Instructions for Catalog Series B-8140-M and B-8141-M
Figure 1. Dimensions
Explosion-Proof Mine Adaptabuzzer
INSTALLATION
WARNING
T o pre vent electrical shock , ensure po wer is of f before
starting installation.
1. Mount the Adaptabuzz er assembly securely to a flat surface
in the desired location with (2) screws through the 3/8" (9.5
mm) diameter holes in the housing (Figure 1).
2. Install wiring through the rubber hose attached to the
Adaptabuzzer.
NOTE: All external wiring connections are to be completed
in MSHA approved junction boxes.
3. Connect wires using wire nuts (supplied) in accordance
with the applicable local codes.
4. Connect green ground wire to external ground.
DESCRIPTION
The Edwards Catalog Series B-8140-M and B-8141-M Explosion-Proof Mine Adaptabuzzers are certified by Mine Safety
& Health Administration (MSHA) and are suitable for use on
permissible mining equipment, Certification #XP-31160. The
Mine Buzzers are constructed of heavy cast aluminum and
can withstand the constant vibrations associated with all types
of mining equipment. AC models are available for stationary
mounting locations in areas exposed to coal dust and methane
gas.
ELECTRICAL SPECIFICATIONS
Coil Res.
Catalog Number* Volts Amps VA (ohms)
B-8140-M-E5 12 AC 1.6 19 3.0
50/60 Hz
B-8140-M-G5 24 AC 1.1 26.4 5
50/60 Hz
B-8140-M-N5 120 A C .2 23 146
50/60 Hz
B-8140-M-R5 240 AC .2 23 740
50/60 Hz
B-8141-M-E1 12 DC 1.6 19 3.0
B-8141-M-G1 24 DC .8 19 21.5
B-8141-M-P1 125 DC .2 25 110
B-8141-M-S1 250 DC .1 25 600
*89 dB at 10 ft
MAINTENANCE
WARNING
Ensure that all power is off before performing
maintenance.
1. Inspect the unit at least once a year for damage or wear.
2. Inspect all electrical and mechanical components for internal
corrosion or wire discoloration.
NOTE: When reassembling fixture, make certain that the
threads and taper joint between housing and brass
cover are clean.
F ARMINGTON, CT 203-699-3000 F AX. 203-677-7746
P-047550-1613 ISSUE 2 © 1998
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