GE LP 33 Series Operating Manual page 35

UPS 1
E
Control bus location RPA parallel system
Place the cables and connect them as indicated in the diagram Fig. 4.8.4-4 following these
procedures:
•
Fix the control bus cables with the appropriate tie-wrap "E".
•
Place the cables between the parallel units in separated protected conduit to avoid they could
be accidentally interrupted.
•
Put in place the front screens "B, C and D" (Fig. 4.8.4-1) paying attention to not damaging the
control bus cables.
It is important to place the units in sequence of their assigned number.
A unit number from P1 to P4 is displayed on the control panel.
This number is also marked inside and outside the packaging.
The standard length of the control bus cable between two parallel unit is 8 m / 26 ft.
NOTE !
Connection and commissioning of an additional UPS to an existing parallel system,
must be performed by a service engineer from of your
Modifications reserved
OPM_LPS_33E_10K_30K_4GB_V030.doc
UPS 2
E
Fig. 4.8.4-4 Control bus location RPA parallel system
UPS 3
E
Service Centre.
UPS 4
E
Page 35/85
Operating Manual LP 33 Series / 10-20-30 kVA