Rpa System - Control Bus Connection - GE LP 33 Series Operating Manual

4.8.4

RPA system - Control bus connection

WARNING !
This operation must be performed by trained personnel before the initial start-up
(ensure that the UPS installation is completely powered down).
Fig. 4.8.4-1 Access to the RPA board
UPS 1
P15
P2
P16
Bus connection RPA parallel system
Connect the control bus cable between the parallel units as indicated in the diagram Fig. 4.8.4-2.
Provide that the connectors J3 and J4 are properly fixed with the included screws.
P16
JP3
Fig. 4.8.4-3 Connection to Board P16
Modifications reserved
OPM_LPS_33E_10K_30K_4GB_V030.doc
C
D
B
F
F
A
E
UPS 2
P15
J4
P2
J3
P16
Fig. 4.8.4-2 Bus connection RPA parallel system
JP1 JP2
J4
J3
Access to the RPA board
1 - Open the front door "A" of the cabinet.
2 - Remove the protection covers "B, C, D" fixed
F
with screws "F".
3 - Remove the front panel protection cover "E"
by pulling it off.
NOTE !
When fixing again the protection
covers, make sure that the screws
"F" are as tight as possible since
they serve also as earth connection.
UPS 3
J4
P2
J3
P16
NOTE !
The jumper JP1 - JP2 - JP3 must be removed
only on the intermediate units, where the
connectors J3 and J4 are both inserted.
Do not insert or remove J3 and J4 from the
board "P16 - Connector adapter RPA" when
the parallel system is operating.
UPS 4
P15
J4
P2
J3
P16
Operating Manual LP 33 Series / 10-20-30 kVA
P15
J4
J3
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