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•
Office computers, copiers, fax machines, telephones, and other electronics should be
plugged into surge protectors or a separate UPS.
•
Obtain adequate lightning insurance coverage from an insurance agent for all electronic
equipment if you are in an area that is prone to regular lightning strikes or electrical
storms. Lightning is powerful enough to arc across the sky, there is not much that you
can do to protect any electrical equipment against a direct strike other than to have
appropriate lightning insurance.
•
For ongoing power issues, contact your local electrical company for their recommendations.
Often, they can install power conditioners and/or surge suppressors on the incoming
power lines to help protect your site.
These recommendations should provide protection against most common power surges, power
fluctuations, indirect lightning strikes, and general electrical storm activity. Unfortunately, due to
the naturally destructive nature of lightning and electrical storms, there is only so much protection
that can be provided to any hard-wired electronic system. Any local or direct strike may damage
one or more pieces of electronic equipment in the vicinity and may damage or destroy the surge
protectors or even, in some cases, the entire system.
Battery Operation
When the Power Supply input power is interrupted, the Power Supply will automatically switch
to using the battery as the power source. Several factors will influence the amount of time that
the battery will keep the system operational including load, temperature, age of the battery,
minimum voltage requirement and charge state. The following chart can be used to estimate
backup time based on average current load.
Backup time
The battery life also depends on the same variables listed above but when used as a backup
function in PTI equipment, a battery may last 3-5 years.
For a security system battery backup function to be effective, any gate or door strike must also
have a separately powered battery backup. See more battery information in "Battery Maintenance
and Replacement Instructions:" on page 31
114A3866.D Revised 7-2017
(hours)
Battery
11
0.25A
5
0.45A
3
0.85A
2
1.25A
Average Current Load
4AH
Battery
7AH
0.35A
0.63A
1.2A
1.75A
9
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