Gewiss 3300 VA, User Manual

Page: 56 / 146

56
U
SE
FUNCTION DESCRIPTION PREDEFINED POSSIBLE CONFIGURATIONS MODE
Battery test
Time interval for the
automatic battery test
40 hours
•
Disabled
•
1 ÷ 1000 in steps of 1 hour
Alarm threshold
for maximum
load
Selects the overload
user limit
Disabled
•
Disabled
•
0 ÷ 103 in steps of 1%
Display
brightness
Selects the level of
brightness of the LCD
Maximum Minimum ÷ Maximum in 20 steps
Sound alarm
Selects the mode of
operation of the sound
alarm
Reduced
•
Normal
•
Reduced: does not sound for
momentary intervention of the bypass
ADVANCED FUNCTIONS
Input frequency
tolerance
Selects the permitted
range for the input
frequency for
switchover to bypass
and for output
synchronization
± 5%
•
± 0.25%
•
± 0.5%
•
± 0.75%
•
± 1 ÷ ±10 in steps of 1%
Bypass voltage
thresholds
Selects the permitted
voltage range for
switchover to bypass
Low: 180V
High: 264V Low : 180 ÷ 200 in steps of 1V
High: 250 ÷ 264 in steps of 1V
Bypass voltage
thresholds for
ECO
Selects the permitted
voltage range for ECO
mode operation
Low: 200V
High: 253V Low: 180 ÷ 220 in steps of 1V
High: 240 ÷ 264 in steps of 1V
Sensitivity of
intervention for
ECO mode
Selects the sensitivity
of intervention during
operation in ECO
mode
Normal
•
Low
•
Normal
•
High
Load power
supply in stand-
by
Power supply of the
load on bypass with
UPS switched of
(stand-by status)
Disabled
(load NOT
powered)
•
Disabled (not powered)
•
Enabled ( powered )
Bypass operation
Selects the mode for
use of the bypass line
Normal
•
Normal
•
Disabled with input/output
synchronization
•
Disabled without input/output
synchronization