Fuel Oil Pump Set Controls

Standard controls per UL508A include:

• NEMA 3R enclosure

• Door mounted fused disconnect switch with interlock

• Fused control transformers (208, 230 & 460 Volt systems)

• Integral motor starter with adjustable overload

• Microprocessor based PLC with pump mode selection

• Manual-Off-Auto illuminated mode selector switch

• Alarm silence / System reset push-button

• Alarm buzzer

• Control logic to engage pump set from a multiple dry contact input for remote Start-Stop from boiler(s) or day tank(s)

• 3” or 5” full color HMI for system status and alarm display

• Discrete general alarm output dry contact

• Direct modbus protocol communication ports.

Our standard controller includes a LCD display for pump set status, alarm listings, and trouble shooting functions. The display page provides for viewing the most recent alarms / events with each event and alarm condition time and date stamped. 

Standard status & alarms:

• Pump elapsed run time

• Pump set leak

• Pump flow failure

• Containment piping leak

• Clean strainer basket 

• Main tank leak

• Main tank low level

• Emergency shut down

• Pump overload trip

• Fire valve closed

• Pump not-in-auto