PowerWalker VFI 30000TP 3_3 BE - Manual (Page 40)

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5.6 Connections between battery cabinet and UPS
Make sure the Protective Earthing (PE) connected first.
External Battery Cabinet Connections
Notice!
The requirements of the EC directives are satisfied when battery cabinet are used with
original accessories. If alternative batteries are used, you must ensure that the appli-
cable EC directives are met and declare conformity.
Connect the battery cabinet as follows:
Turn off the UPS.
Check the internal battery breaker is off and/or any external battery switchs open.
Connect PE first.
Connect the battery cabinet(s) with cables sized according to cable cross setion and protec-
tive device specification to terminals + (positive pole) ,- (negative pole) and Neutral pole.
Refer to instruction provided with the battery cabinet or by vendor.
Warning!
ENSURE CORRECT POLARITY!