Motortronics
7
10. Included with each unit are two self-adhesive warning labels. Attach one warning label in a conspicuous place
on the motor junction box and the other on the outside of the starter enclosure.
WARNING
THIS MOTOR IS EQUIPPED WITH A MOTOR
WINDING HEATER. VOLTAGE IS PRESENT AT
MOTOR TERMINALS EVEN WHEN
MOTOR STARTER IS OPEN. BEFORE
SERVICING MOTOR OR MOTOR WIRING
ALWAYS DISCONNECT MAIN POWER AHEAD
OF MOTOR STARTER.
Sample Warning Label
11. If the motor winding heater is to be paralleled with a soft start, the customer must provide an isolation contactor
between the output of the MWH and the motor as shown in the figure below.
Wiring Diagram for units rated at 25 Amps