PowerWalker VFI 3/3 Series Guida Utente Scaricare il pdf (Pagina 35)

5.6 Connections between battery cabinet and UPS

Make sure the Protective Earthing (PE) connected rst.

External Battery Cabinet Connections

Notice!

The requirements of the EC directives are satised 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 all the three internal battery fuses are not inserted and/or any external battery switchs

open.

Connect PE rst.

Connect the battery cabinet(s) with cables sized according to cable cross setion and protec-

tive device specication to terminals + (positive pole) ,- (negative pole) and Neutral pole.

Refer to instruction provided with the battery cabinet or by vendor.

Warning!

ENSURE CORRECT POLARITY!

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PowerWalker VFI 3/3 Series Guida Utente Pagina 35