Installation and User Manual

2.7System Connections

WARNING

This type of connections must be carried out by qualified electrical personnel.

 

Before carrying out any connections, check that battery circuit breaker 14 is

 

OFF and that the upstream protection devices (Normal and Bypass AC

 

sources) are open (OFF/OPEN).

 

 

2.7.1Connections with Common Normal and Bypass AC Sources (Single Mains)

Figure 2-11: Power Module I/O Box Terminal Block Diagram.

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

Terminal tightening torque:

– 18 lb-in. for EX 5/7RT Power Module

– 35 lb-in. for EX 11RT Power Module

Terminal block capacity:

 

 

 

 

 

 

 

 

 

 

 

 

- Max. 4AWG (EX 11RT)

 

 

 

 

 

 

Jumper

- Max. 6AWG (EX 5/7RT)

 

 

(see note)

 

 

 

 

 

 

 

 

 

 

NOTE

The

Power Module is factory configured for single input, whereas both Normal AC

 

 

 

and

Bypass AC sources are identical, by means of jumper between L1 and L3.

 

 

 

 

 

 

 

 

 

Jumper must be removed for separate Normal AC and Bypass AC sources (2 Mains) or with Frequency Converter application.

Keep Manual Bypass Switch 7 at Normal position.

86-86000-00 B00

Installation

2 — 13

Page 39
Image 39
MGE UPS Systems EX-5, EX-7, EX-11RT manual System Connections, Max AWG EX 11RT, Sources are open OFF/OPEN