Johnson Controls VSD II Series Installation Manual page 39

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