Liebert 130 kVA - Manual (Page 40)

User Manual
Hipulse - Single Phase ‘1+N’ UPS System 130 kVA - 110V
20
3.2.2
Auxiliary 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 1mm
2
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.
3-4 Ext. Sw. Out
Indication to be provided at the UPS to note the opening of an external
module output isolator.
Normally closed contact.
If unused, leave the standard connectors in place.
5-6 Ext. EPO
Remotely provides control for switching off the UPS using a remote
emergency button.
Normally closed contact.
If unused, leave the standard connectors in place.
7-8 Ext. BYP
Indication to be provided at the UPS to note the opening of an external
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.
11-12 Int. EPO
Availability of a contact for switching off the UPS in the same way as the
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 mm
2
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.