ABB Infinity S Quick Start Manual page 2

QUICK START GUIDE
Step 2 - Connect Chassis and DC Reference (CO) Ground
1. Connect Chassis Ground
Minimum 10 AWG recommended
Lug Landing - #10 on 5/8" centers (lug not provided).
Torque to 35 in-lb.
2. Connect DC reference ground
Lug Landing - 5/16" on 1" centers (lug not provided).
Torque to 160 in-lb.
Note: If connecting chassis ground to frame surface remove nonconductive frame coating and apply antioxidant
for connection.
Step 3 - Connect AC Input
Connect 120/208/220VAC at rear of each rectifier shelf.
Danger: Turn OFF and lock-out tag-out the AC source before making AC connections. When connecting to AC
mains, follow all local and national wiring rules.
Caution: When routing AC ensure cables do not come in contact with sharp or rough surfaces that may damage
insulation and cause a short circuit.
Rectifiers numbers are labeled at each AC input.
AC terminal connections are labeled at each position (L1, L2/N, and Gnd).
AC1 - Molex mini-fit SR
Page 2
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Direct Battery Connections
AC Inputs 3, 4
Battery Returns
DC Reference
(CO) Ground
AC Inputs 1, 2
Chassis Ground
(Only one connection required )