
VISTA-128B Installation Instructions
4-2
U
L
To provide certificated burglary service for UL installations, refer to the special requirements and
Figure 4-2 Cabinet Attack Resistance Considerations
to follow.
Grade A Mercantile Premises Listing
•
The panel door must be supervised. Mount the clip-on tamper switch (supplied) to the
cabinet's right side wall as shown in the diagram below, and wire it to one of the
hardwire zones.
•
Use a bell with a tamper-protected housing such as the ADEMCO AB12. The bell
housing's tamper switch and inner tamper linings must also be wired to the hardwire
zone.
•
Assign the hardwire zone to a burglary partition. Program the hardwire zone for day
trouble/night alarm (zone type 5) when only one burglary partition is used. Program it
for 24-hr. audible alarm (zone type 7) when more than one burglary partition is used.
•
All wiring between the bell and panel must be run in conduit. Remaining wires do not
need to be run in conduit.
•
All wiring which is not run in conduit must exit from the knockout openings on the
bottom or back of the cabinet.
•
All unused knockouts must be plugged using the disc plugs and carriage bolts (supplied),
as indicated in the diagram below.
•
Fasten the cabinet door to the cabinet backbox using the 18 one-inch-long Philips-head
screws (supplied) after all wiring, programming and checkout procedures have been
completed.
CABINET ATTACK RESISTANCE CONSIDERATIONS
(Shows typical local Grade A listing installation)
C-COM
PCB
1
1
RUN BELL WIRES
IN CONDUIT
▲
▲
PLUG THIS
KNOCK-OUT
▲
CLIP-ON DOOR
TAMPER SWITCH
CABINET
MOUNTING HOLE
(4 PLACES)
▲
PLUG THIS
KNOCK-OUT
PLUG THIS
KNOCK-OUT
PLUG THIS
KNOCK-OUT
▲
▲
▲
RUN ALL REMAINING
WIRES THRU HERE
▲
TO PLUG AN UNUSED KNOCKOUT OPENING, REMOVE KNOCKOUT AND
INSTALL A PAIR OF DISC PLUGS AND A CARRIAGE BOLT AS SHOWN:
KNOCK-OUT
OPENING
DISC PLUGS (DIMPLES IN DISC
PLUG SHOULD REGISTER INSIDE
KNOCK-OUT OPENING
CARRIAGE BOLT
HEX NUT AND
LOCK WASHER
CABINET SIDEWALL
(OUTSIDE)
▲
▲
▲
▲
▲
Figure 4-2: Cabinet Attack Resistance Considerations
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