Installation Manual

Communications
116 H-Max HVAC Drives MN04008006E—January 2012 www.eaton.com
Prepare For Use
1. Strip about 0.59 in (15 mm) of the N2 cable (see
specification on Page 115) and cut off the grey cable
shield. Remember to do this for both bus cables (except
for the last device).
Leave no more than 0.39 in (10 mm) of the cable outside
the terminal block and strip the cables at about 0.20 in
(5 mm) to fit in the terminals. See illustration below.
N2 Cable Strip
Also strip the cable now at such a distance from the
terminal that you can fix it to the frame with the
grounding clamp. Strip the cable at a maximum length of
0.59 in (15 mm).
!
IMPORTANT
Do not strip the aluminum cable shield!
N2 Cable Strip (Aluminum Shield)
2. Then connect the cable to its appropriate terminals
on H-Max AC drive standard terminal block, terminals
A and B (A = negative, B = positive). See illustration
below.
H-Max AC Drive Terminals (N2 Protocol)
0.39 (10.0)
0.20 (5.0)
0.59 (15.0)
8 9 10
RS485 Terminals
(A and B)