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

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