MGE UPS Systems EX 5RT, EX 11RT, EX 7RT user manual Display Factory setting Options Comments

			Installation and User Manual
Table 3-1: Local Settings.
	Display	Factory setting	Options
	Language	English	French, Spanish, German, Italian
	Date / time format	International format	US format
		(DD-MM-YYYY/HH:MM)	(MM-DD-YYYY/HH:MM AM/PM)
	Date / time change	GMT (Greenwich Mean Time)	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
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 glossary
Hot standby	Disabled	Enabled	Full redundancy (see Figure 3-3)
Operating mode	IT Network	Industrial	(*) See Section 4.1
Bypass	When bypass OK (**)	When bypass NOK (**)	(*)
Transfer
Interrupt time	10 ms	10 to 200 ms	Interrupt time calibration during
		(by steps of 10 ms)	during load transfer on
			Bypass AC source
			out of tolerances
Overload level	102%	50/70%

(*) : - Select "IT Network" for computer loads.

-Select "Industrial" when bypass NOK in case of absolute need for service continuity (with potential 10 ms interrupt).

(**) UPS will switch to Bypass AC Source if it is within the set tolerances.

Figure 3-3: Configuration used to provide full redundancy (2N) to critical loads.

BYPASS AC

Protective Device

NORMAL AC

Utility

AC Source

Full redundancy configuration offers better protection to critical load, whereas the first UPS acts as the Bypass AC Source for the second UPS.

Protective Device NORMAL AC

LOAD

86-86000-00 A01 Operation 3 — 3