GX7R ASD Quick Start Guide
13
Power Connection Requirements
Connect the 3-phase input power lines of the correct voltage sequenced
C
,
B
, and
A
to the input
terminals of the ASD at
PB1
terminals
A
,
B
, and
C
, respectively.
Connect the output of the ASD to the motor from the ASD terminals
T1
,
T2
, and
T3
. The input and
output conductors and terminal lugs used shall be in accordance with the requirements listed in the
section titled
Voltage/Current Specifications on pg. 70
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 may disqualify the UL rating.
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.
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 2. The GX7R ASD/Motor Typical Connection Diagram.
CAUTION
Summary of Contents for GX7R ASD
Page 1: ...GX7R ASD Quick Start Guide TOSHIBA GX7R ASD Quick Start Guide DN 68986 002 September 2014 ...
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Page 77: ...GX7R ASD Quick Start Guide 69 Figure 24 480 Volt 125 150 HP GX7R ASD ...
