GE Industrial Solutions Mini-BDFB - Manual (Page 5)

Micro-BDCBB ED83368-30
850027449 Issue 1 DRAFT December 2012 5
Convert from -48V to +24V
Notes: 1. Not applicable to panels with VIM1 meter which automatically work with -48V and +24V.
2. Not Applicable to Panels with 477D alarm card.
Panels with VIM1 meter work with either +24V or -48V automatically.
Panels with 477D alarm card work only with -48V.
Convert Battery and Return from 1 bus to 2 buses – Group 3 only
Notes: 1. Not applicable to panels with VIM1 meter which must be factory configured for single or dual bus.
2. Not applicable to Group 1which is single bus only.
Battery and return buses may be converted in configurations bridging bus bars.
1. Remove nuts and washers securing bridging Bus Bar.
2. Remove bridging Bus Bar.
3. Replace nuts and washers.
4. Torque to 120 in-lb
Figure 5 Bridging Bus Bars
Alarm Card 477 Alarm Jumper
Not applicable to panels with VIM1 meter.
Position the jumper on HDR1 for Open on Alarm or Close on Alarm.
Figure 6 Alarm Card
Battery Bridging Bus Bar Return Bridging Bus Bar
J1
J2 & J3 - Alarm Out
Alarm Jumper - HDR1
Close on Alarm
Open on Alarm