GE Industrial Solutions LP 33 Series 50 & 60 kVA Installation Guide - Manual (Page 33)

Modifications reserved Page 33/42
OPM_LPS_3UI_50K_60K_0US_V010.doc Installation Guide LP 33 Series 50-60 kVA
3.9.4 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).
Access to the RPA board
1 - Open the front door “A” of the UPS
cabinet.
2 - Remove the front panel “B”.
3 - Remove with appropriate tool the
metallic window “C” from the metal
screen “D”.
Fig. 3.9.4-1 Access to the RPA board
NOTE !
Put in place the front screen
“A” paying attention to not
damaging the control bus
cables.
LP
S 33
U
_0
30
-0
40_
RP
A c
onn
ec
tion
_GE
_0
2
J4
J3
LP 33 Series
1
P1
P13 P34
P1
J3
P13
J4
P34
LP 33 Series
2
J3
P1
P13
J4
P34
LP 33 Series
3
P34
J4
J3
P1
P13
LP 33 Series
4
Fig. 3.9.4-2 Bus connection RPA parallel system
Bus connection RPA parallel system
Connect the control bus cable between the parallel units as indicated in the diagram Fig. 3.9.5-2.
Provide that the connectors J3 and J4 are properly fixed with the included screws.
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.
P1
J3
P13
J4
P34
LP
S
33
U
_0
30
-0
40
_R
P
A
c
on
ne
ct
ion
_0
3
JP1 JP2
JP3
Fig. 3.9.4-3 Connection to Board P16