Safety requirements, Wiring instructions – Bell & Gossett P58725B Series 1535C Close Coupled Centrifugal Pump User Manual
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SAFETY REQUIREMENTS
ELECTRICAL SAFETY
THERMAL SAFETY
MECHANICAL SAFETY
WIRING INSTRUCTIONS
Remove the screws securing the conduit box cover (wiring
compartment) and lift off the cover. Attach the appropriate size
connector to the hole in the side of the conduit box.
Three Phase Motors
Series 1535C pumps are available with motors that operate at
different voltages, frequencies, and phase. Check the motor
nameplate for this information. The operating power must
match the motor nameplate. Each motor has a wiring diagram
shown on the motor nameplate or in the conduit box.
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WARNING: Electrical Overload Hazard
Three phase motors must have properly sized
heaters to provide overload and under voltage protection.
Failure to follow these instructions could result in serious
personal injury, death and/or property damage.
WARNING: Extreme Temperature Hazard
If the pump, motor or piping are operating at
extremely high or low temperature, guarding or insulation is
required.
Failure to follow these instructions could result in serious
personal injury, death and/or property damage.
WARNING: Electrical Shock Hazard
Electrical connections to be made by a qualified
electrician in accordance with all applicable codes,
ordinances and good practices.
Failure to follow these instructions could result in serious
personal injury, death and/or property damage.
WARNING: Unexpected Start-Up Hazard
Disconnect and lockout power before servicing.
Failure to follow these instructions could result in serious
personal injury, death and/or property damage.
WARNING: Excessive System Pressure Hazard
The maximum working pressure of the pump is listed
on the nameplate – DO NOT EXCEED THIS PRESSURE.
Failure to follow these instructions could result in serious
personal injury, death and/or property damage.
WARNING: Excessive Pressure Hazard
Volumetric Expansion
The heating of water and other fluids causes volumetric
expansion. The associated forces may cause failure of sys-
tem components and release of high temperature fluids. This
can be prevented by installing properly sized and located
compression tanks and pressure relief valves.
Failure to follow these instructions could result in serious
personal injury, death and /or property damage.
WARNING: Hot Water Hazard
When disassembling a gasketed joint, always use
a new gasket upon reassembly. NEVER RE-USE OLD
GASKETS.
Failure to follow these instructions could result in serious
personal injury, death and/or property damage.
WARNING: Electrical Shock Hazard
Be certain that all connections are secure and the
conduit box cover is closed before electrical power is
connected.
Failure to follow these instructions could result in serious
personal injury, death and/or property damage.
WARNING: Electrical Shock Hazard
Disconnect and lockout the power before making
electrical connections.
Failure to follow these instructions could result in serious
personal injury or death.