Johnson Controls VSD II Series Installation Manual page 39

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Power Wiring/Grounding, continued
6.
Wire power terminals (L1,L2,L3),
motor terminal (U/T1, U/T2, U/T3),
and grounding terminals per diagram
below. Power and motor leads must
be in separate conduit.
Note: Do not wire motor leads to R+, R–.
This will cause damage to the drive.
GROUND WIRING
Run motor cables in separate conduit
DO NOT RUN CONTROL WIRES
in same conduit
Cables sized per NEC
Provide dedicated wire for low
impedance ground between drive
and motor. DO NOT USE conduit as
ground
Utility
Drive
IMPORTANT: Improper grounding could result
in damage to the motor and/or drive and could
void warranty.
Control Wiring
7.
Wire the control terminals following the
details for the specific option boards
shown on the following pages.
Note: For ease of access, the board
terminals blocks can be unplugged
for wiring.
Removable
EMC Filter Clip
Line Ground
Clamp Location
Motor Ground
(Inside Motor
Conduit Box)
Line
L
L
L
3
1
2
Grounding
Strap Location
Line Side
VSD Series II LIT-12011772—October 2012 www.johnsoncontrols.com
Installation Requirements
Motor
R+
R– U/T
V/T
W/T
1
2
3
Grounding
Strap Location
Motor
Removable
EMC Filter Clip
Motor Ground
Clamp Location
27

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