P9 ASD Installation and Operation Manual
17
Power Connection Requirements
Connect the 3-phase input power to the input terminals of the ASD at
R/L1
,
S/L2
, and
T/L3
(see
for the typical electrical connection scheme). Connect the output of the ASD to the motor from the
ASD terminals
U/T1
,
V/T2
, and
W/T3
. The input and output conductors and terminal lugs used shall be
in accordance with the requirements listed in the section titled
Current/Voltage Specifications on pg.
.
If multiple conductors are used in parallel for the input or output power and it is necessary to use
separate conduits, each parallel set shall have its own conduit and not share its conduit with other
parallel sets (i.e., place U1, V1, W1, and a ground wire in one conduit and U2, V2, W2 and a ground
wire in another; refer to the NEC Article 300.20 and Article 310.4). National and local electrical codes
should be referenced if three or more power conductors are run in the same conduit (refer to the NEC
Article 310 adjustment factors).
Note:
National and local codes should be referenced when running more than three
conductors in the same conduit.
Install a molded case circuit breaker (MCCB) or fuse between the 3-phase power source and the ASD in
accordance with the fault current setting of the ASD and the
NEC
Article 430
.
The ASD is designed and tested to comply with UL Standard 508C. Modifications to the ASD system
or failure to comply with the short circuit protection requirements outlined in this manual may
disqualify the UL rating. See
for typeform-specific short circuit protection
recommendations.
As a minimum, the installation of the ASD shall conform to the
NEC
Article 110
, the
Occupational
Safety and Health Administration
requirements, and to any other local and regional industry codes
and standards.
Note:
In the event that the motor rotates in the wrong direction when powered up, reverse
any two of the three ASD output power leads (U, V, or W) connected to the motor.
Figure 3. P9 ASD/Motor Typical Connection Diagram.
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