29
FUNCTION
DESCRIPTION
DEFAULT
Bypass active in stand-by
Load supply from bypass with UPS in stand-by
Disabled (load NOT
supplied)
Bypass frequency tolerance
Selects the accepted range for the input frequency for
switching to the bypass and for the synchronisation of the
output
± 5%
Bypass min.-max. threshold
Selects the accepted voltage range for switching to the
bypass
Low: 180 V
High: 264 V
Eco mode sensibility
Selects the intervention sensitivity during operation in ECO
mode
Normal
Eco mode
min.-max. threshold
Selects the accepted voltage range for operation in ECO
mode
Low: 200 V
High: 253 V
UPS without battery
Operating mode without batteries (for converters or voltage
stabilizers)
Operating with
Batteries
Battery low time
Estimated autonomy time remaining for “battery low”
warning
3 min.
Automatic battery test
Interval of time for the automatic battery test
40 hours
Parallel common battery
Common Battery for parallel UPS systems
Disabled
Internal battery capacity
Nominal Battery capacity for internal batteries
Change according
with UPS model
External battery capacity
Nominal Battery capacity for external batteries
9 Ah for UPS without
internal batteries;
0Ah all other cases
Battery recharging current
Recharging current compare to battery nominal capacity
12%
*
On all UPS devices of the STW series, with the exception of the DI versions (10000 VA) and ER DI versions (10000 VA),
for “Frequency converter” mode configurations or if the synchronisation with the bypass is disabled, the UPS will derate the
output power.
