GE Industrial Solutions LP 33U Series 10 & 20 kVA Installation Guide - Manual (Page 31)

Modifications reserved Page 31/40
OPM_LPS_3UI_10K_20K_1US_V010.doc Installation Guide LP 33U Series 10 & 20 kVA / S1
UPS 3
OFF
Q1 Q2
ON OFF ON F1 F2 F3
F13 F14 F15
F9 F10 F11
E
E
LPS33U_ 010-020_ RPA con nection_0 1
UPS 4
E
E
UPS 2
LPS33U_ 010-020_ RPA con nection_0 1
OFF
Q1 Q2
F9 F10 F11
UPS 1
ON OFF ON F1 F2 F3
F13 F14 F15
ON OFF
ON F1 F2 F3
F13 F14 F15
F9 F10 F11
E
E
LPS33U _010-020 _RPA con nection_0 1
OFF
Q1 Q2
LPS33U_ 010-020_ RPA con nection_0 1
OFF
Q1 Q2
ON OFF
ON F1 F2 F3
F13 F14 F15
F9 F10 F11
E
E
Fig. 3.9.5-4 Control bus location RPA parallel system
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 1 to 4, 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.