Alpha Technologies AMPS80 HP - Manual (Page 44)

Doc. #: 026-069-B0 Rev F 42
5.1.3 Grounding
N-G shorting jumper is factory-installed for inverter-only systems.
Remove if AC input ground is connected (#5 on Figure 19).
Figure 21 —
AC Connections
AC input lugs
L1 left
L2 middle
L3 right
Earth ground bus
Optional rectifier
AC input breakers
Industrial grade
surge suppres-
sion modules.
AC input
ground
AC output
ground
AC neutral
connection
points
AC output lugs
L1 left
L2 middle
L3 right
Rectifier terminal
block (see Figure
16 for details
5.2 AC Connections
• Access to connection points is provided from the front of the system rack.
• AC wires enter the cabinet through the top.
• AC input and AC output wires are connected to box lugs rated for 350 kcmil to #6 AWG.