Megaflex 1000 To 1600 - Power Connection With Common Input Utility - ABB MegaFlex 1000 UL S1 Installation Manual

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4.9.1 MegaFlex 1000 to 1600 - Power connection with Common Input Utility

Bottom entry cables
Interconnections links
BR1, BR2 and BR3
must remain connected
Power connection cables are connected to bus bars using M10 x 40 bolts (supplied with UPS).
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)
Note!
The interconnection links BR1, BR2 and BR3 must remain connected (see Fig. 4.9.1-1).
Output Load
L1 Load phase A (L1)
N Neutral
External Battery connection
+ Positive pole of the Battery
- Negative pole of the Battery
PE External Battery 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!
Top entry cables
BR1
BR2
!
Fig. 4.9.1-1 MegaFlex 1000 to 1600 - Power connection Common Input Utility
L2
PE
MegaFlex 1000 to 1600
*
L3
Load
L2
L1
Battery +
**
BR3
1
L1-1
Rectifier
L2-1
Utility
L3-1
*
Load phase B (L2)
Ground
UPS paralleled on the same Battery
This configuration is not possible for UPS RPA Parallel System.
Before closing the "External Battery Breaker", verify for correct
polarity of the Battery connection.
Do not close the "External Battery Breaker" before the
commissioning!
UPS Installation Guide / REV-A
**
PE
connection
Battery -
**
common NEMA two hole lugs
**
PE
Bottom
connection
L3-1 Rectifier + Bypass Phase C (L3)
PE Ground
L3
Top
connection
*
Bottom
Typical installation using
(see Section 4.85)
Top
connection
**
Load phase C (L3)