GE 225 - Manual (Page 25)

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GE
OPM_SGS_ISG_M22_M30_0US_V011.doc 25/38 Installation Guide SG Series 225 & 300 kVA
3.8.3 Power connection separate input utility
S
G
S
_2
2
5-
30
0
_U
P
S c
o
n
ne
ct
ion
separ
ate_
GE_01US
PE Load
PE
Input rectifier
Position of the PE compression lugs in case
the cable input is from the bottom of the UPS
Input rectifier
PE PE Load
L1-2
L2-2
L3-2
2
- I
N
PU
T
BY
PAS
S
1 -
IN
PU
T
RE
CT
IF
IE
R
N
L3-1
L2-1
L1-1
L3
L2
L1
LO
AD
N
Fig. 3.8.3-1 Power connections Separate Input Utility
Separate Input Rectifier / Bypass
L1-1 Rectifier Phase A L1-2 Bypass Phase A
L2-1 Rectifier Phase B L2-2 Bypass Phase B
L3-1 Rectifier Phase C L3-2 Bypass Phase C
N Neutral (Bypass) PE Ground
The interconnection links BR1, BR2 and BR3 must be removed (see Fig. 3.8.3-2).
Output Load
L1 Load Phase A L2 Load Phase B L3 Load Phase C
N Neutral PE Ground
Bus bars BR1, BR2 and BR3 must be removed.
Cable terminations are to the Rectifier/Bypass Input Lugs and Load Output Lugs as shown above.
Connect wire to the Lugs using appropriate tools and appropriate torque.
Torque specification for Input/Output and DC power connections on Bus Bars: Section 3.8.1.