Liebert 130 kVA - Manual (Page 37)

User Manual
Hipulse - Single Phase ‘1+N’ UPS System 130 kVA - 110V
17
WARNING
If the load equipment will not be ready to accept power on the arrival
of the commissioning engineer then ensure that the system output
cables are safely isolated at their ends.
6. Connect the Battery cables between the UPS terminals (+/ -) and its associated
battery circuit breaker. Connect screened auxiliary cables from each battery circuit
breaker control board to the auxiliary terminal block (X3) of UPS of their metal frame of
the Battery breaker mounted in input transformer cubicle or Battery circuit breaker
box (if used).
As a safety precaution remove the battery fuse in the module until the arrival of
commissioning engineer.
OBSERVE THE BATTERY CABLE POLARITY
WARNING
Do not close the battery circuit breaker before the equipment has
been commissioned.
Input-module Parallel Connections:
7. 1+N Parallel UPS System: Inside the module there is an Parallel Connectors Board
mounted on the left hand side. Connect one end of the interconnecting ribbon cables
to interface connector (X1) of the first UPS module and the other end to connector (X2)
of the second module, and so to the next module until a closed loop is formed. (see
fig 8-2).
Auxiliary Connections:
8. Connect the auxiliary cables of any external interface/ signals to the respective
connections of the output auxiliary terminal block (X4).
9. Refit the lower protective cover.