2 ac connections, 3 grounding – Alpha Technologies AMPS80 HP User Manual

Page 44

Doc. #: 026-069-B0 Rev F

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.