Separate Input Mains (Option) - GE Digital Energy LP 33 Operating Manual

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4.8.2

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
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".
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. 4.8.1-3 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.
OPM_LPS_33E_10K_30K_4CN_V010.doc
front panel "B"
L2 = Phase L2 rectifier
PE = Earth
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".
Operating Manual LP 33 / 10-20-30 kVA
31/82
GE
B
A
C
with a proper
L3 = Phase L3 rectifier
L3 = Phase L3 bypass
L3 = Phase L2 load
F