21
A01-00055 Rev N
• AC is removed, the output is turned off, and the battery is
connected.
• Operating on battery back-up (no AC present) and output is
turned off or the battery is depleted.
2.
Deeply Discharged Battery Alarm – when detected will flash the
pattern below and sound the audible alarm, indicating to remove
AC Power, and call AMETEK Powervar service for a battery
replacement at 1-800-369-7179.
Attention
IMPORTANT INFORMATION
The batteries inside this UPM are a special type called “sealed lead-
acid”. These batteries use a non-liquid electrolyte, which makes it
possible to use them in any physical orientation. The batteries are
designed to last from two to five years. Their actual life span will depend
on several factors including how often power outages occur, how long
power outages last, and the temperature of the environment in which
the UPM operates. Frequent, long duration power outages will shorten
battery life more than infrequent, short duration outages. Consistent high
temperatures in the area where the UPM is used will also shorten battery
life.
The UPM is equipped with a Low/Replace Battery LED ( ) on the
front panel. If the LED illuminates, you should make sure that the battery
