Mounting
Annunciator Preparation
18
Document 51264 Rev A2 6/14/00 P/N 51264:A2
Section 3:
Mounting
3.1 Annunciator Preparation
The FDU-80 Annunciator can be surface mounted in a three-gang elec-
trical box such as the P/N SBB-3 (2.75" depth) or semi-flush mounted in
a three-gang electrical box, P/N 10103 or equivalent, with a minimum
depth of 2 3/16". The FDU-80 Annunciator can also be mounted in three
gangable electrical switch boxes connected together. Select and remove
the appropriate knockout(s), pull the necessary wires through the knock-
outs and mount the box in or on the wall depending on the type of instal-
lation desired.
Be certain that power is not applied to the wiring during
the installation procedure.
Note: To ensure static protection, all enclosures, including the FDU-80
electrical box, must be connected to earth ground! Never use the shield
for grounding purposes.
To mount the FDU-80 Annunciator in an electrical box, the trim ring
must first be removed. The trim ring is held in place by two screws
inserted through the top and bottom edge as illustrated in Figure 3-1.
Removal of the trim ring will expose a metal flange with mounting
holes. Refer to “Hardware and Backboxes” on page 19.
Ack/Step Silence
Reset
Drill
Hold 2 sec.
FIRE ALARM ANNUNCIATOR
Alm. Silenced
Supervisory
TroubleAlarmAC Po wer
Figure 3-1: Trim Ring Removal
Screw
Screw
FDU-80.cdr
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