MGE UPS Systems 9 kVA, 4.5 kVA, 6 kVA, 12 kVA user manual Battery tab, Output tab, By-pass tab

3. Operation

"Battery" tab

Personalizable function	Default setting	Options
		Once a week
"Battery test" intervals	Every day	Once a month
		No test
"Low-battery shutdown warning" threshold	20% remaining battery	40% remaining battery
	backup time	backup time
Charger	Standard	CLA (2, 4 or 8 hours)

"Output" tab

Rated AC-power source voltage (see figure 1)	230 V	200 V-208 V-220 V-240 V
Rated AC-power source frequency	50 Hz	60 Hz
Tolerance for AC-power source frequency	± 5%	± 1% to ± 10% , in 1% steps
Alarm threshold for overload	100%	0 to 100%, in 10% steps
Restart inverter after short circuit	Disabled	Enabled (click to add check)

"By-pass" tab

Authorized voltage range for transfer to bypass	187 V to 265 V (for	187 V to 265 V,
if fault or overload	230 V rated voltage)	in 1V steps
Authorized frequency range for transfer to bypass	± 10%	± 1% to ± 10%, in 1% steps
if fault or overload
Transfer to bypass if overload	Enabled	Disabled (click to remove check)
Transfer to bypass following a fault, whatever	Disabled	Enabled (click to add check)
the conditions on the AC-power source

The value selected for the rated UPS voltage impacts on the power available at UPS output (see the diagram below).

100%

95%

90%

66%

50%

Available power as a percentage of the rated power

84

Voltage in V

Fig. 1

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