MGE UPS Systems EX-7 - Manual (Page 49)

Installation and User Manual
Table 3-1: Local Settings.
Display Factory setting Options
Language English French, Spanish, German, Italian
Date/time format International US
Date/time change (DD-MM-YYYY/HH:MM) MM-DD-YYYY/HH:MM adjustable
Audible alarm Quick beeps Slow beeps
Table 3-2: Output Features.
Display Factory setting Options Comments
Output voltage 208 Volts AC (***) 200/208/220/230/240/250 Input voltage must be equal to
output voltage
Frequency converter Disabled Enabled Bypass AC source disabled
Output frequency Auto ranging 50/60 Hz User selectable under
frequency converter mode
ECO mode Disabled Enabled See section 3.4.2.
Hot standby Disabled Enabled Full redundancy (see Figure 3-3)
Operating mode Industrial IT Network (*) See Table 3-5.
Bypass When bypass NOK When bypass OK (**) (*) See Table 3-5.
Transfer
Interrupt time 10 ms 10 to 200 ms Interrupt time calibration during
(by steps of 10 ms) during load transfer when
Bypass AC source
is out of tolerances
Overload level 102% 50/70%
(*) : - Select "IT Network" for computer loads. Select “Industrial” for other applications or when there exists and absolute need
for service continuity (with potential 10msec. interrupt) when Bypass AC source is not within set tolerances.
See table 3-5 for more details
(**) UPS will switch to Bypass AC Source if it is within the set tolerances.
(***) Input voltage must be equal to output voltage.
Figure 3-3: Configuration used to provide cascade redundancy to critical loads.
Operation 3 — 3 86-86000-00 B00
Utility
AC Source
NORMAL AC
LOAD
BYPASS AC
NORMAL AC
Protective Device
Protective Device
Cascade redundancy configuration
offers better protection to critical
load, whereas the first UPS acts as
the Bypass AC Source for the
second UPS.