12 PSE Series Instruction Manual — P/N LS10227-000NF-E:B 3/29/2021
Section 2: Installation
Carefully unpack the system and check for shipping damage. Select a location for the cabinet that is in a clean, dry, vibration-free area
where extreme temperatures are not encountered. The area should be readily accessible with sufficient room to easily install and main-
tain the power supply. With the hinge mounting on the left, determine the number of conductors required for the devices to be installed
and determine the appropriate knockouts. All wiring must be in accordance with the National and/or Local codes for fire alarm systems
and power supplies.
2.1 Backbox Mounting
1. Mark and pre-drill holes for the top two keyhole mounting bolts.
2. Install two upper fasteners in the wall with the screw heads protruding approximately ¼”.
3. Using the upper keyholes, mount the backbox over the two screws.
4. Mark the lower two holes, remove the backbox from the wall and drill the mounting holes.
5. Mount the backbox, install the remaining fasteners and tighten all screws..
CAUTION: STATIC SENSITIVE COMPONENTS
THE CIRCUIT BOARD CONTAINS STATIC-SENSITIVE COMPONENTS. ALWAYS GROUND YOURSELF WITH A
PROPER WRIST STRAP BEFORE HANDLING ANY BOARDS SO THAT STATIC CHARGES ARE REMOVED FROM THE
BODY. USE STATIC SUPPRESSIVE PACKAGING TO PROTECT ELECTRONIC ASSEMBLIES.
Figure 2.1 Backbox Mounting Dimensions
Bottom
Height = 20.10”
(51.05 cm)
12.0”
(30.48 cm)
3.424” (8.697cm)
Backbox
14.5” (36.8 cm)
Depth = 3.424”
(8.697cm)
Top
12.0” (30.48cm)
1.125” (2.868 cm)
Backbox Mounting Holes
Left
Right
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