2 battery interface unit (biu), 3 service disconnects, Figure 4-5; battery interface unit – Alpha Technologies PN-4 User Manual
Page 34: Figure 4-6; bbx 70a (bbx-fi2), Figure 4-7; bbx 100a (bbx-fi8), Battery interface unit (biu), Service disconnects, Pn series options
4. PN Series Options
34
031-103-B0-003 Rev. C
© 2002
TM
4.2
Battery Interface Unit (BIU)
The BIU is used in Powernode systems with multiple power supplies and/or multiple battery strings, and an AlphaGen DC
generator. The BIU provides a parallel DC bus with convenient connectors for each power supply and battery string.
(For installation and operation instructions, refer to the BIU Installation Manual, part number 018-311-C1.)
4.3
Service Disconnects
There are four Service Disconnects available (installed at the factory):
Square-D, 8-position
For multiple power supply applications.
Square-D, 2-position
For single power supply applications
Power Supply shelf
(optional mounting location for BIU)
Upper battery shelf
BIU installed beneath
upper battery shelf
Lower battery shelf (PN-3 enclosure)
Middle battery shelf (PN-4 enclosure)
Figure 4-5; Battery Interface Unit in Place
Figure 4-7; BBX 100A (BBX-FI8)
Figure 4-6; BBX 70A (BBX-FI2)