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INSTALLATION
Only qualified service personnel familiar with all local building
codes should attempt this installation. Take appropriate safe-
guards to avoid unintentional operation by employees and
maintenance personnel working about the premises.
The installation of each Expansion Unit should be completed
and tested on its own before connecting into a network. Any
possible wiring or installation problems are magnified many
times by the complexity of the network.
Once an individual panel has been tested and found operating
satisfactorily, it can then be safely brought into the network.
The Expansion Unit is categorized as PERMANENTLY CON-
NECTED EQUIPMENT with fixed wiring. This system must
be installed within the protected premise in accordance with the
National Electrical Code (NFPA70), local codes, and the au-
thorities having jurisdiction.
A Ground Bond Strap is bolted between the Enclosure and the
Door to reduce the risk of electric shock. If the Ground Bond
Strap is unbolted from the Door to allow the Door to be re-
moved, it is critical that the Ground Bond Strap be correctly
attached before putting the Access Control Unit into service.
The following warnings are designed for the safety of the Ex-
NOTES:
Notes are included with a procedure in-
forming the installer about related material.
CAUTION
Cautions indicate that a particular process
requires special attention.
WARNING
Warnings indicate that a particular process
exposes the installer to live circuits or that
making wrong connections can lead to
equipment failure.
Do not place accessory circuit cables in the
CAUTION
same conduit sections containing power
cables.
pansion Unit install/service technician and for the continued
proper function of the Expansion Unit.
About This Manual
This manual describes the installation of the Expansion Unit
Access Control Unit and the specific accessories that connect to
it.
End-User Periodic Tests and Emergency Planning
The Host Computer Software supervises the Access Control
System, reporting failures at an individual panel within seconds
of the occurrence. Nevertheless, failures can occur at the Door
Sense and Bypass contact monitoring hardware, the individual
Card Reader electronics and wiring, or the Electric Door Lock
Hardware that will not be detected until the equipment is used.
For this reason, please instruct staff at the installation to per-
form a "walk through" test at every controlled entrance and ver-
ify operation of all the monitored contacts at least once per
week, especially at sites that are less frequently used. Assist
the Security Staff at the installation to devise acceptable alter-
nates to allow entrance and monitoring of access at controlled
sites impacted by equipment failures, especially in high-traffic
areas.
Provide staff members at the facility with contact information
that will help assure the swift correction of equipment outages.
Prevent the risk of a fire by replacing ALL
CAUTION
fuses with the same type and rating. The
main fuse protects the power supply circuit
against excessive currents and short cir-
cuits. Failure of the power supply (other
than a blown fuse) fuse usually indicates a
fault in a power supply component. There
are no user-serviceable parts in the Expan-
sion Unit cabinet. The power supply must
be replaced if it fails.
The lower part of the power supply has ex-
WARNING
posed terminals and components (see page
15). DO NOT probe the power supply and
expose yourself to high voltage and a shock
hazard.
WARNING
The risk of a serious electrical shock exists
if the wiring harness power connector is
removed from the Expansion Unit circuit
board, but AC power remains live at the
AC Input Power Terminal Block (see Fig-
ure 9, page 15).
11
Supervised Alarm / Relay / Power Expansion Unit
INSTALLATION
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