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Installation of Option Modules
3.8.4 Transformer Installation
!
Caution: Before installing any modules or cables, make certain all power (AC and DC) has been removed.
Locate two threaded mounting studs in the bottom left corner of the backbox (refer to backbox illustration
1.
below).
Position the XRM-24 (120 VAC) Transformer Assembly or XRM-24E (220/240 VAC) Transformer Assem-
2.
bly, over mounting studs, with cable assembly oriented to the left as illustrated below.
Secure the Transformer to the studs with the two supplied nuts. Do not tighten one of the nuts until the next
3.
step.
Connect a wire from a solid earth ground to one of the Transformer mounting studs and tighten the nut. This
4.
connection is necessary in order to provide proper lightning and transient protection for the panel.
Plug XRM-24(E) Transformer cable assembly into connector P1 which is located in the lower left corner of
5.
the FC-PSM(E) Module. Note that the Transformer cable connector is keyed to prevent incorrect connection.
Complete the installation by connecting the AC power wires to Hot, Neutral and Earth terminals of TB1 on the
6.
FC-PSM(E) Module.
If batteries are being used, connect the batteries (17 AH maximum) to connector P2 located to the left center
7.
of the FC-PSM(E) Module.
Apply power to the panel.
8.
FIGURE 3-17:
P2 Connector -
Battery
P1 Connector -
Transformer
Earth Ground
30
Technical Manuals Online! - http://www.tech-man.com
Installation of Power Supply Transformer
Power Supply Module
XRM-24(E) Transformer Assembly
firealarmresources.com
AC Terminal TB1
Backbox
FC-PSM(E) Mounting Locations
Transformer Mounting Studs
Document #50580
Rev.C
8/12/97
P/N 50580:C
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