Connections; Common Input Mains - GE Digital Energy LP 33 Operating Manual

g
4.8

CONNECTIONS

WARNING !
The connections to and from the UPS must be executed by QUALIFIED
PERSONNEL ONLY.
Refer to the "Safety prescriptions - Installation" described on page 7.
4.8.1

Common input mains

Fig. 4.8.1-1 Common input mains
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 !
For UPS correct operation,
the input
rotation must be clock-wise.
Fig. 4.8.1-3 Common input mains connection
OPM_LPS_33E_10K_30K_4CN_V010.doc
front panel "B"
mains phase
Common input mains
The UPS delivered in standard version has
common input mains.
Only one input line (F1) supplies both rectifier
and bypass input terminals.
Bear in mind that when the mains fuses are
opened there is a supply failure to the rectifier
as well as to the automatic bypass and manual
bypass.
G
D
E
Fig. 4.8.1-2 Power IN / OUT connections
Input mains connection
L1 = Phase L1 rectifier + bypass
L2 = Phase L2 rectifier + bypass
L3 = Phase L3 rectifier + bypass
N1 = Neutral mains
Output load connection
L1 = Phase L1 load
L2 = Phase L2 load
L3 = Phase L3 load
N2 = Neutral load
NOTE !
Input/output terminals must be
tightened
screwdriver
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
30/82
GE
B
F
A
C
PE = Earth
PE = Earth load
with a proper
applying torsion