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
System with 24V Rectifiers
Voltage Bus
Voltage Bus
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