Ametek Powervar Security Plus II - Storage and Maintenance; UPS Storage Recommendations; UPS Maintenance Safety and Procedures

A01-00150 Rev B
41
10.0 STORAGE AND MAINTENANCE
10.1. Storage
Before storing, charge the UPS at least 7 hours. Store the UPS covered
and upright in a cool, dry location. During storage, recharge the battery in
accordance with the following table:
Storage Temperature
Recharge Frequency
Charging Duration
-25°C - 40°C Every 3 months 1-2 hours
40°C - 45°C
Every 2 months
1-2 hours
10.2 Maintenance
CAUTION
The UPS system operates with hazardous voltages. Repairs may be carried
out only by qualified maintenance personnel.
CAUTION
Even after the unit is disconnected from the mains, components
inside the UPS system are still connected to the battery packs which
are potentially dangerous.
CAUTION
Before carrying out any kind of service and/or maintenance,
disconnect the batteries and verify that no current is present and no
hazardous voltage exists in the terminals of high capability capacitor
such as BUS-capacitors.
CAUTION
Only persons are adequately familiar with batteries and with the
required precautionary measures may replace batteries and
supervise operations. Unauthorized persons must be kept well away
from the batteries.