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

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4.9.2 MegaFlex 1000 to 1600 - Power connection with Dual Input Utility

Bottom entry cables
BR1
!
BR2
Interconnections links
BR1, BR2 and BR3
must be removed
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.
Dual Input Utility - Rectifier / Bypass
L1-1 Rectifier phase A (L1)
L2-1 Rectifier phase B (L2)
L3-1 Rectifier phase C (L3)
PE Ground
Note!
The interconnection links BR1, BR2 and BR3 on the input bus bars must be removed (see Fig. 4.9.2-1).
Output Load
L1 Load phase A (L1)
PE Ground
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
BR3
Fig. 4.9.2-1 MegaFlex 1000 to 1600 - Power connection with Dual Input Utility
L2
MegaFlex 1000 to 1600
*
L3
Load
L2
**
L1-2
2 - Bypass Utility
L2-2
BR2
L3-2
BR3
*
L1-1 1 - Rectifier
Utility
L2-1
L3-1
*
Load phase B (L2)
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
L1
Battery -
**
Battery +
**
PE
L1-2
L2-2
L3-2
L3
Top
connection
*
Bottom
connection
Typical installation using
common NEMA two hole lugs
(see Section 4.85)
Top
connection
**
Bottom
connection
Bypass phase A (L1)
Bypass phase B (L2)
Bypass phase C (L3)
Load phase C (L3)