NE-M Installation Guide
H5692448
850050111
Issue 03 August 2017
22
Connect Interframe Secondary Voltage Cables
Step
Action
WARNING: Energy
Bus bars of systems with powered rectifiers or batteries connected provide hazardous
electrical energy.
Figure 20 L635L Dual Voltage Panel Location
Are Initial and Supplemental Frames both equipped with L635L Dual Voltage Distribution Panels in their bottom
shelf positions?
Yes – go to step 1.
No – go to next section.
1
Two 4/0 AWG cables will be installed between the two frames, connecting their secondary buses together.
Systems with 24V rectifiers - install the cables on the 48V secondary buses.
Systems with 48V rectifiers - install the cables on the 24V secondary buses.
Figure 21 Secondary Voltage Bus
L635L Dual Voltage Panels
System with 48V Rectifiers
2-Hole Lugs
Rear View
System with 24V Rectifiers
48V Secondary
Voltage Bus
Existing 5/16” Bolts
24V Secondary
Voltage Bus