Installation and Maintenance Manual
Unpacking the Light
EXPLOSION HAZARD—Damaged domes can lead to
explosions that could result in serious injury or death.
Replace damaged domes.
After unpacking the light, examine it for damage that may
have occurred in transit. If the light has been damaged, do not
attempt to install or operate it. File a claim immediately with
the carrier, stating the extent of the damage. Carefully check all
envelopes, shipping labels, and tags before removing or discarding
them. Disposal of all shipping materials must be carried out in
accordance with national and local codes and standards. If any
parts are missing, please call Federal Signal Customer Support at
+1 708-534-4756 or +1 877-289-3246.
Installing the Light
EXPLOSION HAZARD—This light fixture is not backward
compatible with older products. Do not use this light fixture
with the Series A versions of model CMXC, CMXC-R, PMXC,
PMXC-R, WMXC, or WMXC-R mounting accessories. Failure to
follow this warning may result in personal injury or death.
USAGE PRECAUTION—This device is not to be used as a
Visual Public Mode Alarm Notification Appliance.
The Model 27XL-024-4 should be installed per the NEC or CEC,
STATE and LOCAL CODES. Alternate installation locations and/
or orientations should only be performed with the approval of the
authority having jurisdiction. In addition, the light can be mounted
using the optional pendant mount or optional wall mount (see
Table 2 on page 13.)
The glass dome is part of the explosion-proof housing. In
applications where the dome requires added protection, a
separately purchased metal guard (Part No. DGXC-SB) can be
readily attached.
Model 27XL-024-4
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