PowerStar PS1503, Operation & Maintenance Manual, Page: 12 / 19

Powerstar Inc.
12
High Transfer
Point 230V models:
253VAC 120V
models:
127VAC 230V models: 257,
261,265VAC 120V models:
130, 133,136VAC To avoid unnecessary battery usage, set
the high transfer point higher if the utility
voltage is chronically high and the
connected equipment is known to work
under this condition.
Low Transfer
Point 230V models:
208VAC 120V
models:
106VAC 230V models: 204, 200,
196VAC 120V models: 103,
100, 97VAC Set the low transfer point lower if the
utility voltage is chronically low and the
connected equipment can tolerate this
condition.
Output Voltage 230V models:
230VAC
230V models: 220, 240VAC
230V models ONLY, allow the user to
select the output voltage.
SECTION 5
STORAGE AND MAINTENANCE
STORAGE CONDITIONS
Store the UPS covered and positioned as for proper functioning, in a cool, dry location, with
its batteries fully charged. Disconnect any cables connected to the computer interface port to
avoid unnecessary battery drainage.
EXTENDED STORAGE
At -15 to +30 °C (+5 to +86 °F), charge the UPS battery every six months. At +30 to +45 °C
(+86 to +113 °F), charge the UPS battery every three months.
Once the battery is disconnected, the loads are not protected from power outages.
REMOVING THE FRONT BEZEL AND BATTERY MODULE
The battery module is accessible from the front of the UPS. This procedure requires a
Phillips screwdriver.
1. Remove the two front cover plate screws