Installation
2.2
QS4 Technical Reference Manual
Installation do's and don'ts
When installing cabinets...
DO
use fasteners that can support the full weight of the
cabinet and standby batteries. Tighten firmly to avoid
vibrations.
DO NOT
drill inside the cabinet with circuit cards installed.
Remove all metal filings before installing the circuit cards.
DO NOT
recess the cabinet into the wall deeper than 2–11/16
inches (68.2 mm) from the finished wall surface to allow room
for the trim kit.
When installing circuit boards...
DO
ground yourself with an approved static-protective wrist
strap when handling circuit boards.
DO
keep circuit boards in their protective antistatic packaging.
Remove only for inspection or installation.
DO NOT
touch component leads and connector pins when
handling circuit boards.
DO
disconnect ac power and batteries before installing or
removing circuit boards. Installing or removing circuit boards
while the control panel is energized may damage the
equipment.
When installing circuit wiring...
DO
use appropriately sized wire for the application.
Incorrectly-sized wires degrade circuit performance.
DO
make sure there are no wire-to-ground shorts or wire-to-
wire shorts before connecting field wires to the panel.
DO NOT
over tighten screw terminals. Over tightening may
strip screw terminal threads and cause loose connections.
When installing Signature loops...
DO NOT
install more than fifteen SIGA–UMs or MABs
configured for two-wire smoke detectors on a loop.
DO NOT
install more than seven SIGA–UMs or MABs
configured for two-wire smoke detectors on loops with isolator
devices.
DO NOT
install more than ten SIGA–RELs on a loop. You
must use the QuickStart configuration utility to program a
SIGA–REL. Refer to the technical manual supplied with the
SIGA–REL and appendix C of this manual for programming
information.
When installing standby batteries...
DO NOT
install standby batteries until after you completely
install and test the system.
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