
,-,
POWERING THE SYSTEM
AC POWER
The Ademco 1451 transformer with enclosure (supplied) is used to supply AC
power to the 5140XM panel. The 1451 consists of a transformer (with 120
VAC/1.0 Amp prima~, 18 VAC/72 VA secondary rating), and a manually
reseffable circuit breaker munted inside a protective enclosure.
1.
2.
3.
4.
5.
Remove the front cover of the enclosure.
Mount the enclosure to the wall near the 5140XM panel. The enclosure has 4
mounting holes on ifs back sutiace for this purpose.
Run 120VAC wiring to the enclosure in conduit. NOTE: A dedicated circuit
must be used. Use wire nuts to splice the 120VAC wires to the transformer’s
white and black primary leads. Connect the eaflh ground post on the back of
the enclosure to a good earth ground (see EARTH GROUND
CONNECTIONS
kbW),
Use wire nuts to splice the transformer blue secondary leads to 16AWG wire
wtich is run in conduit to the panel. These wires are connected to panel
terminals 1 &2.
NOTE 1: Use wires having insulafiin rated for at least 90°C operation and
suitable for non-pawer fimfied applications.
NOTE 2: Use care to keep 18VAC wiring separated from all other wiring ins tie
the panel’s enclosure. This must be done by running non-power Iimfied
18VAC wiring into the panel’s enclosure via one of the knockouts on the left
hand side of the encbsure, and then tie wrapping these wires to the tie wrap
loops located near the knockout.
Replace the front cover of the enclosure and fasten with the screws supphed.
PANEL EARTH
Connect theeaflh ground post irrsidethe 1451 enclosure toagood earth ground
GROUND (use grounding methods specified inthe National Electric Code) .Runal6AWG
CONNECTIONS
wire from this post to the panel’s earth ground terminal (terminal 30), T~s method
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of connection avoids ground Ioops that mayoccur when the 1451 and panel are
connected to different earth ground systems. NOTE: The panel requires this
connection in order for ~s lightning transient protection devices and eadh grouti
supewision to funcdon properly.
NOTE WHEN CONNECTING BAnER!ES IN PARALLEL
oUSE BA~ERIES FROM THE SAME MANUFACTURER
AND WITH THE SAME VOLTAGE AND CAPACIV MTING.
. USE BA~ERIES WITH APPROX1 MATELY SAME AGE AND
Hgure 19. BA~ERY CONNECTION DIAGRAM
BA~ERY TABS
.:= ‘1–
k
USE THE 2nd PAIR OF BA~ERY
TABS
ANDTHE 2nd PAIR OF
+ REO ~AnERy HARNESSE$S”ppL,ED
L-
UJ
TO CONNECT ONE OR WO
ADDITIONAL BA~ERIES IN
PAMLLEL
DUAL
BA~ERY
HARNESS
(2 PAIRS SUPPLIED)
MAIN PCB
OBSERVE POMRIN !
& ‘4c*k
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