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5
Storage and maintenance
5.1. 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
-25°C - 40°C
40°C - 45°C
5.2. Maintenance
WARNING
Maintenance, all repairs and service must be performed by authorized
personnel only. There are no user-serviceable parts inside the UPS. Please
contact the technician that installed the UPS for maintenance services.
• The UPS system operates with hazardous voltages. Repairs may be carried
out only by qualified maintenance personnel.
• 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.
• 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.
• Only persons 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.
• Verify that no voltage between the battery terminals and the ground is
present before maintenance or repair. In this product, the battery circuit is
not isolated from the input voltage. Hazardous voltages may occur between
the battery terminals and the grounding/earthing.
Recharge Frequency
Every 3 months
Every 1 months
Charging Duration
4-6 hours
39
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