Bell & Gossett P82893D Series 60 In-Line Centrifugal Pumps - Manual (Page 17)

Check that the control and safety devices have these characteristics:
• Properly sized for their purpose
• Placed correctly in the system before putting the system into operation
Connect the wiring
WARNING:
• Disconnect and lock out electrical power before installing or servicing the unit.
• Motors without built-in protection must be provided with contactors and thermal
overload protection for single-phase motors, or starters with heaters for three-phase
motors. (See the nameplate on the drive unit to select properly-sized overloads.)
Electrical Hazard:
Make sure that all connections are secure and the conduit box cover is closed before you
connect the electrical power.
1. Remove the screws that secure the conduit box cover.
2. Lift off the cover.
3. Attach the appropriately sized connector to the hole in the side of the conduit box.
The circulators are thermally protected by impedance or on-winding thermal protectors
and do not require external overload protection.
Wiring diagrams
These wiring diagrams are typical and might not be representative for all motor types.
Refer to the motor or motor nameplate for specific diagrams.
Single-phase motors
Single-phase motors are protected with inherent overheating devices and do not require
external overload protection.
Single-phase motors can operate at either a low voltage (115 V) or a high voltage (230 V).
Choose the voltage at which you want to operate your pump and make the wiring
connections according to these diagrams:
Standard For 1 hp, 1 phase motors only
Installation
Series 60 Installation, Operation, and Maintenance Manual 15