Variable Speed Pumping Systems – Technologic 502 Series (1-4 pump systems, up to 4 zones)

The new Bell & Gossett Technologic® 502 pump controller and variable speed drive saves energy.

APPLICATIONS:
Commercial HVAC and pressure boosting applications.

Features and Benefits

  • NEMA 1 Enclosure
  • Fused Door Interlock Disconnect
  • UL and CUL Listed, CE Marked
  • Local and Remote Selection
  • Motor Overload Protection
  • Diagnostic Display
  • Manual & Automatic Pump Alternation
  • Auto Start of Lag Pump upon Lead Pump Failure (for multi-pump systems)
  • 4 Discrete Analog Inputs for Zone Sensors, Flow Sensor, or Suction Sensor
  • End of Curve Protection
  • High System Cutout
  • No Flow Shutdown
  • Serial Communication Compliant
  • 100 kA Short Circuit Current Rating (SCCR)

ESP-Systemwize

Ready to select pumps as well as suction diffusers, triple duty valves, heat exchangers, air/dirt separators, PIC valves, and parts? Click below to open the new Bell & Gossett ESP-Systemwize selection tool and enter your duty points to begin selecting the most energy efficient system:

ESP-Systemwize

Sizing Tools:

Steam + Water Pressure Reducing Values

Software Tool and Application Support/Suggest Enhancements

Please click the button below to report issues and suggest enhancements.

Support Request

System Selection and Technical Product Support

Consult your local Bell & Gossett Representative for additional assistance.