GE Digital Energy LP 33 Installation Manual page 31

Digital Energy™
UPS 1
E
Q2
Q1
F3
F1 F2
ON
ON
OFF
OFF
F11
F9 F10
E
F15
F13 F14
Control bus location RPA parallel system
Place the cables and connect them as indicated in the diagram Fig. 3.9.5-4 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. 3.9.5-1) 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 defined by the setting of parameters and 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 26 ft / 8 m (higher length
on request = up to 50 ft / 15 m).
Maximal overall length of bus connection, between the first and the last unit, should not be longer
than 345 ft (45 m).
OPM_LPS_3UI_10K_20K_0US_V010.doc
UPS 2
E
Q2
Q1
F1 F2 F3
ON
ON
OFF
OFF
F9 F10 F11
E
F15
F13 F14
Fig. 3.9.5-4 Control bus location RPA parallel system
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UPS 3
E
Q2
Q1
F1 F2 F3
ON
ON
OFF
OFF
F11
F9 F10
E
F15
F13 F14
Installation Guide LP 33 / 10 - 20 kVA
g
UPS 4
E
Q2
Q1
F1 F2 F3
ON
ON
OFF
OFF
F11
F9 F10
E
F15
F13 F14