MGE UPS Systems EX-5, EX-7, EX-11RT manual Power Module I/O Box

Installation and User Manual

2.7.4System Connections as Frequency Converter (without Bypass AC source)

Figure 2-15: Accessing Terminal Blocks for Input and Output power cables.

OFF

O

1

Power Module I/O Box

	Output						Bypass AC source
200/208/220/230/240Vac						200/208/220/230/240Vac
			Normal AC source
		200/208/220/230/240Vac
	L6	L5		L2	L1	L1		L4	L3

Jumper

INPUT

From Utility

208 VAC

OUTPUT To Load 208VAC

CAUTION: Always connect the earth ground wire first.

1.Remove the cover plate under the I/O Box. Remove the jumper connecting L3 and L1.

CAUTION: Removing the jumper will disable the Bypass AC source. Do not connect anything to the Bypass AC terminal block.

2.Refer to section 2.7.1 to install Normal AC source and output wires per I/O Box Terminal diagram. Re-install the cover plate under the I/O Box.

3.Secure the I/O Box to Power Module with three screws.

See section 2.7.2 for connecting EX RT Transformer Module, if necessary.

OFF

O

1

Normal AC Input

Output

		66074
CardSettings		ETHERNET
10100	data
UPS
	Reset	Download
		RS232

2

OFF

O

Output to Load or Transformer Module (if applicable)

86-86000-00 B00 Installation 2 — 17