10
Mounting the Loudspeaker
Non-Metallic Zone 1 Loudspeaker (GEN-IIB/C and GEN-IIB/C-ISMT)
Federal Signal www.fedsig.com
• If the equipment contains an unused entry hole after installation, use only
suitable ATEX and IECEx Certified Ex “tb” (IP66) and Ex “db” (IIC gas) rated
components to seal the entry hole before operating. The manufacturer
recommends EATON/REDAPT, Part # PD-U Series stopping plugs.
• The equipment terminal block shall be used with conductor sizes of 0.5 mm
2
to
4 mm
2
. The protective earth ground connection conductor size shall equal the
conductor size of the audio input wires at the minimum.
5.0 Mounting the Loudspeaker
DRILLING PRECAUTIONS: When drilling holes, check the area you are drilling into
to ensure you do not damage anything while drilling. All drilled holes should be de-
burred, and all sharp edges should be smoothed.
The Models GEN-IIB/C loudspeakers are designed for mounting on a flat horizontal or
vertical surface.
To mount the loudspeaker, obtain M6 stainless steel bolts, lockwashers, and flat washers.
OBSTRUCTION HAZARD: The nameplate, which contains cautionary or other vital
information to maintenance personnel, should not be obscured.
To mount the loudspeaker:
1. Select a mounting location that is capable of supporting more than 7.5 kg (16.5 lb).
2. Use the mounting bracket as a template to scribe the centers of the mounting holes.
3. Drill an appropriately sized hole at each scribed mark for the mounting screws.
4. Mount the bracket with the installer-supplied bolts and washers.
5. Secure the loudspeaker to the mounting bracket.
