System Configuration - Powercom 1000 User Manual

Generator Mode
Generator Mode is specially designed function while input AC power is very unstable. While
Generator Mode, UPS will never switch to bypass to prevent damage to the load and UPS will
fix the output frequency as 50Hz for 220V system and 60Hz for 110V system with ±0.25Hz.
Generator Mode can also protect batteries from discharging too frequently.
Generator Mode can be activated from the LCD panel. Please refer to Chapter 6.6.
Battery Test
A diagnostic test is automatically executed when UPS start up and checks UPS electronics,
battery, and reports any problems on the LCD display. While advanced battery management
system always monitors the conditions of the batteries, it sends early warnings if battery
replacement is needed.
The default is to perform a battery discharge test every 30 days of normal mode operation.
Diagnostic tests can be performed manually from the front panel at any time.

6.2 System Configuration

The UPS device and the internal backup battery make up the system. Depending on the site
and load requirements of the installation, certain additional options are available as a tailored
solution.
The following items should be taken into consideration when planning a UPS system:
 The total demand of the protected system shall dictate the output power rating (VA).
Allowing a margin for future expansion or calculation inaccuracies from measuring power
requirements.
 Backup time needed defines the battery size needed. If load is less than the UPS nominal
power rating then actual backup time is longer.
The following options are available:
 External Battery Packs
 Transformer cabinets
 Maintenance bypass switches
 Connectivity options (relay card, SNMP/WEB card)
Typical UPS internal battery backup time:
Model
Tower Type
Rack Mounting
Type
Additional External Battery Pack is available if more back-up time is needed.
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Backup time for 100%
load with internal batteries
1000VA 1.5 - 2 min
2000VA 3 - 5 min
3000VA 2 - 4 min
1000VA 3 - 5 min
2000VA 3 - 5 min
3000VA 2 - 4 min
7
Recharge time to
90% capacity
4 hours
4 hours
4 hours
4 hours
4 hours
4 hours