Variable Speed Controllers

TECHNOLOGIC Intelligent Pump Controller

The TECHNOLOGIC®  Intelligent Pump Controller from Bell & Gossett combines a market-leading variable speed drive with over 100 years of experience in designing and installing high performance pumping systems in commercial buildings. The TECHNOLOGIC provides variable speed pumping to control speed, pressure, flow and level over a wide range of Hydronic system applications.

Features and Benefits

• Quick set-up Genie for fast system configuration
• Pump and system protection parameters designed specifically around hydronic systems
• Service and support from pump and system experts
• Removable, graphical control panel with display
• Continious scrolling menu to ensure no parameters are left out during programming
My Personal Menu allows user to focus on specific user selected and saved parametersKeypad_Layout
• Alarm Log key for quick access to last 5 alarms and maintenance events
• Hand on, Auto on, and Off buttons for easy pump operation at the keypad – No toggling between local and remote operation
• Duplex variable speed pumping control with auto lead/lag and alternate
• Constant speed lag control. Able to control 1 variable speed pump with up to 2 fixed speed lag pumps triggered by relays
• USB Connectivity supports remote diagnostics through PC software
• Dual DC-link reactors standard reduces harmonics to the level of a 5% AC line reactor without the voltage drop across the full load range
• EMC/RFI filters designed to reduce drive noise emissions and interference to strict standards
• Automatic Motor Adaption – For optimized performance and efficiency
• Automatic Energy Optimization – Regulates output voltage to improve system efficiency as loads change
• Bypass panel option for across-the-line motor operation


Technical Brochures

Installation/Operation Manuals

Danfoss Manuals


General Selection Tools:

  • ESP-PLUS for B&G Centrifugal Pumps, Booster Pumps, Pump Accessories, and Air Separator
  • ESP-PARTS for replacement parts selection
  • ESP-TANKS Expansion tank selection
  • CAD Drawings for 2D and 3D dimensional drawings in many formats
  • ESP-PICV is a quick and easy way to size and select Ultra Setter Pressure Independent Control Valves using just their flow rate. It eliminates the need to sort through technical documents or catalogs to size the right control valves for your job. Simply enter your required flow rate and ESP-PICV shows you all of the Ultra Setter valves that can meet that flow. You can also find CAD models and valve submittals, and once you've made all of your selections click "Send" and you can request pricing from your local rep.

Heat Exchanger Product Selection

Steam + Water Pressure Reducing Values

Sizing Tools:

Report Bugs/Request Enhancements
Please email the following address to report issues and request enhancements:

Consult your local Bell & Gossett Representative for additional assistance.