MGE UPS Systems EX-5, EX-7, EX-11RT manual Symptoms IT Network mode Industrial mode

Installation and User Manual

3.3Information Technology IT Network and Industrial Operating Modes

Table 3-5: System Operation in IT Netowrk and Industrial Modes.

Symptoms IT Network mode Industrial mode

Overload, and Bypass	Load is transferred to Bypass AC source.
source in tolerance.	UPS returns to normal mode if overload
	is removed.

Same as IT Network mode, but AC to the UPS does not return to normal mode if overload

is removed.

Overload, and Bypass	The UPS shuts down and load is not	Load is transferred to Bypass
AC source not in tolerance.	transferred to Bypass AC source.	AC source with 10 milli-
		seconds output break.
		The UPS does not return to
		normal mode if overload
		is removed.
Output short circuit and Bypass	The load remains powered by the UPS.	Load is transferred to Bypass
AC source in tolerance.	The UPS shuts down after 3 minutes	AC source. The UPS does not
	if the short circuit remains.	return to normal mode if the
		short circuit is removed.

Output short circuit and Bypass AC source not in tolerance.

The load remains powered by the UPS. The UPS shuts down after 3 minutes if the short circuit remains.

The load is transferred to Bypass AC source with

10 milliseconds output break. The UPS does not return to normal mode if the short circuit is removed.

86-86000-00 B00 Operation 3 — 5