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Installation Guide
LP 33
/ 10 - 20 kVA
OFF
Q1
Q2
ON
OFF
ON
F1 F2
F3
F13 F14
F15
F9 F10
F11
UPS 2
LPS33U_0
10-020_RP
A connectio
n_01
OFF
Q1
Q2
ON
OFF
ON
F1 F2 F3
F13 F14
F15
F9 F10
F11
UPS 1
OFF
Q1
Q2
ON
OFF
ON
F1 F2 F3
F13 F14
F15
F9 F10
F11
UPS 3
OFF
Q1
Q2
ON
OFF
ON
F1 F2 F3
F13 F14
F15
F9 F10
F11
UPS 4
E
E
E
E
E
E
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
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).