GE Industrial Solutions TLE Series 225-500 Installation Guide User Manual
Page 34

Critical Power
Modifications reserved
Page 34/54
GE_UPS_ISG_TLE_SUL_M22_M50_1US_V010.docx
Installation Guide TLE Series 225 - 500 UL S1
4.8.1 TLE Series 225 & 250 - Power connection with Common Input Utility
Fig. 4.8.3-1 TLE Series 225 & 250 - Power connections Common 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.
Common Input Utility - Rectifier / Bypass
L1-1
Rectifier + Bypass Phase A (L1)
L2-1
Rectifier + Bypass Phase B (L2)
N
Neutral
L3-1
Rectifier + Bypass Phase C (L3)
PE
Ground
NOTE !
The interconnection links BR1, BR2 and BR3 (option) on the input bus bars MUST
REMAIN CONNECTED.
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 225 & 250.
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.
+
-
Typical installation
using common NEMA
two hole lugs
PE
TLES_UL_22
5-250_S1_
UPS conne
ction comm
on_01US
1
Rectifier & Bypass
Utility
L1-1
N
Utility Neutral
Load Neutral
Load
L1
L2-1
L2
L3-1
L3
INTERCONNECTIONS LINKS
BR1, BR2 and BR3
MUST REMAIN CONNECTED
!