GE Industrial Solutions TLE Series 225-500 Installation Guide User Manual
Page 38

Critical Power
Modifications reserved
Page 38/54
GE_UPS_ISG_TLE_SUL_M22_M50_1US_V010.docx
Installation Guide TLE Series 225 - 500 UL S1
4.8.4 TLE Series 400 & 500 - Power connection with Dual Input Utility
NOTE !
Neutral of Rectifier input and Neutral of Bypass input must be coming from the
same input bar.
Fig. 4.8.4-1 TLE Series 400 & 500 - Power connections with Dual Input Utility
Power connection cables are connected to bus bars using M10 bolts.
The bolts of the connection cables must be tightened with a torque wrench at 355 Lb-in / 40 Nm.
Dual Input Utility - Rectifier / Bypass
L1-1
Rectifier phase A (L1)
L1-2
Bypass phase A (L1)
L2-1
Rectifier phase B (L2)
L2-2
Bypass phase B (L2)
L3-1
Rectifier phase C (L3)
L3-2
Bypass phase C (L3)
PE
Ground
N
Neutral
NOTE !
The interconnection links BR1, BR2 and BR3 (option) on the input bus bars MUST BE
REMOVED (see Fig. 4.8.4-2).
Output Load
L1
Load phase A (L1)
L2
Load phase B (L2)
L3
Load phase L3
N
Neutral
Ground
External Battery connection
+
Positive pole of the battery
UPS PARALLELED ON THE SAME BATTERY:
This configuration is not possible for UPS Parallel
System TLE Series 400 & 500.
Before closing the “External Battery Fuses”, verify for
correct polarity of the battery connection.
-
Negative pole of the battery
PE
Battery cabinet ground
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 (steel) 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 bypass transformer, the secondary of the transformer
must be wye-configured with neutral solidly grounded.
+
-
PE
L3-1
L1-2
L2-2
(use for bottom cable entry)
PE
N
Utility Neutral
Load Neutral
Typical installation
using common NEMA
two hole lugs
L3-2
Load
BR1, BR2 and BR3
MUST BE REMOVED
(see Fig. 5.8.2-1)
!
2 - Bypass
Utility
1
Rectifier
Utility
Typical installation using
common NEMA two hole lugs
PE
PE
(use for top cable entry)
L3
L2
L1
Q2
Q1
TLES_UL_4
00-500_S1
_UPS conn
ection_01U
S
L2-1
L1-1
Position of the cover protection
with top cable entry
PE
Attention:
Use only as additional PE
Position of the
cover protection with
bottom cable entry