BJM Pumps HAZ75-575T User Manual
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Typical 3 phase Auto Control 1
Before installing a pump, make sure both of the ground leads and the power leads have
been connected properly per MSHA requirements. Once the power connections have
been confirmed, then check the pump rotation. Momentarily energize the pump,
observing the directions of kick back due to starting torque. Rotation is correct if kick
back is in the opposite direction of the arrow on the pump casing. If rotation is not
correct, switching of any two power leads other than ground with provide the proper
rotation.
Three phase pumps have integral motor overload protection. It is recommended that all
three phase pumps using a motor starting device also incorporate motor overload
protection. Pumps must be installed in accordance with the MSHA and the National
Electrical Code requirements as well as all applicable local codes and ordinances. The
HAZ Series pumps are designed for hazardous mine applications only and are not to be
installed in locations classified as hazardous in accordance with National Electrical
Code, ANSI/NFPA 70.
Connect pump to control box/panel that is MSHA approved for the application. The
provision for supply connection shall reduce the risk of water entry during temporary,
limited submersion.