Modifications reserved
Page 39/103
OPM_LPS_33E_60K_M12_2GB_V010.doc
Operating Manual
LP 33 Series 60-80-100-120 kVA / S2
5.8.1
LP 33 Series 60 kVA
- Power connection with common input mains
Load
X3
L1
L2
L3
N2
LPS33_0
40-060_S
2_Conne
ction com
mon_01
Mains 1
X4
Battery
X1
L1-1
L2-1
L3-1
N1
PE
-
0
+
PE
PE
Fig. 5.8.1-1 Terminals for common input mains
X1 Mains 1
Mains input connection
L1-1
= Rec Bypass Phase L1
L2-1
= Rec Bypass Phase L2
L3-1
= Rec Bypass Phase L3
N1
=
Mains
Neutral
PE
=
Main
Ground
X3 Load
Load output connection
L1
= Load
Phase
L1
L2
= Load
Phase
L2
L3
= Load
Phase
L3
N2
= Load
Neutral
PE
= Load
Ground
NOTE !
Max. rating
X1 – X3 – X4
terminals: 50mm
2
.
Input/output terminals must be tightened with a proper screwdriver applying
torsion force
2.5 Nm.
LPS33_040-120_Connection battery_01
+
0
-
+
0
-
X4
PE
Fig. 5.8.1-2 External battery connection
X4 Battery
External battery connection
-
= Negative pole of the battery
0
= Central point of battery blocks
+
= Positive pole of the battery
PE
= Battery cabinet ground
WARNING !
Before closing the
“external battery fuses”
, verify for correct polarity of the battery
connection
.
NOTE !
To meet standards concerning electromagnetic compliance, the connection
between the UPS and external
Battery
must be done by using a shielded cable or
suitable shielded (metal) conduit!
This UPS is only designed to operate in a wye-configured electrical system with a
solidly grounded neutral.
If the UPS is equipped with an input transformer, the secondary of the
transformer must be wye-configured with neutral solidly grounded.