User Manual

Hipulse - Single Phase ‘1+N’ UPS System

130 kVA - 110V

3.2.2Auxiliary Terminal Block X3 and X4 at UPS

X3 terminal reference

Reference label

Description

 

 

 

2

Common

Temperature sensor common (0V)

 

 

 

3

T Batt.

Temperature sensor signal

 

 

 

4

Common

Common (0V)

 

 

 

5

Batt. Sw.

Battery circuit breaker trip control

 

 

 

6

Bat Trp

Battery circuit breaker trip control

 

 

 

Note: The auxiliary cables of the battery must be screened and double insulated. The screen is connected to the earth of the battery cabinet or supporting rack. Use multiple-core shielded cables with a section of 0.5 to 1mm2

Connect the cables with the Fast-on 6.3 x 0.8 mm terminals (female)

X4 terminal reference

Reference label

Description

 

 

 

1-2

Ext. OFF Inv

Remotely provides control for switching off the inverter.

Normally open contact.

 

 

 

 

Indication to be provided at the UPS to note the opening of an external

3-4

Ext. Sw. Out

module output isolator.

Normally closed contact.

 

 

 

 

If unused, leave the standard connectors in place.

 

 

Remotely provides control for switching off the UPS using a remote

5-6

Ext. EPO

emergency button.

Normally closed contact.

 

 

 

 

If unused, leave the standard connectors in place.

 

 

Indication to be provided at the UPS to note the opening of an external

7-8

Ext. BYP

maintenance bypass switch.

Normally closed contact.

 

 

 

 

If unused, leave the standard connectors in place.

9-10

Back Feed

Signal form the UPS to indicate a return flow of energy in the bypass mais.

Normally open contact.

 

 

 

 

Availability of a contact for switching off the UPS in the same way as the

11-12

Int. EPO

internal emergency off button.

 

 

Normally closed contact.

Note: All auxiliary cables of terminal block X4 must be double insulated.

The cross-sectional area of the auxiliary cables is from 0.5 to 1 mm2

Connect the cables with the Fast-on 6.3 x 0.8 mm terminals (female)

Maximum contact rating on auxiliary terminals: 50 Vdc @ 1 Amp.

20

Page 40
Image 40
Liebert 130 kVA user manual Auxiliary Terminal Block X3 and X4 at UPS, Description