Power Connection With Separate Input Mains (Option) - GE LP 33 Series Operating Manual
10 – 20 – 30 kva 400 vac ce / series 4
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Also See for LP 33 Series:
- Operating manual (103 pages) ,
- Installation manual (38 pages) ,
- Operating manual (82 pages)
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4.8.2
Power connection with separate input mains (option)
Fig. 4.8.2-1 Separate input mains (option)
Access to the AC terminals
1 - Open the front door "A" of the cabinet.
2 - Remove the front panel "B" loosening the
screw "F".
3 - Remove the front panel protection cover
"C" by pulling it off.
4 - Remove the left side panels "D and E"
loosening the screws "G".
5 - Cut an opening into rubber "H" to allow
cable passage.
NOTE !
Neutral of rectifier input and neutral
of bypass input must be coming
from the same input bar.
Inside the UPS, neutrals N1 and N
are connected together.
Fig. 4.8.2-3 Separated input mains
Rectifier input mains connection
L1 = Phase L1 rectifier
N1 = Neutral mains
Bypass input mains connection
L1 = Phase L1 bypass
N
= Neutral mains
Output load connection
L1 = Phase L1 load
N2 = Neutral load
NOTE !
For UPS correct operation, the input mains phase rotation must be clock-wise.
Modifications reserved
OPM_LPS_33E_10K_30K_4GB_V030.doc
A
A
L2 = Phase L2 rectifier
PE = Earth mains
L2 = Phase L2 bypass
L2 = Phase L2 load
PE = Earth load
Separate input mains
On request, the UPS can be delivered for separate
input mains.
Two independent lines (F2 and F3) supply separately
the rectifier and the bypass inputs
With this configuration, when the rectifier-input fuses
are opened, the automatic bypass and the
maintenance bypass are supplied by the other line.
G
D
E
Fig. 4.8.2-2 Power IN / OUT connections
NOTE !
Input/output terminals must be
tightened
screwdriver applying torsion
force 1,2 / 1,4 Nm.
Clamp the input/output cables
with the included cable-ties
"A".
B
A
H
C
with
a
proper
L3 = Phase L3 rectifier
L3 = Phase L3 bypass
L3 = Phase L2 load
Page 32/85
Operating Manual LP 33 Series / 10-20-30 kVA
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