Bell and Gossett 70VS Variable Speed Booster Package

Bell and Gossett
70VS Variable Speed Booster Package
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70VS - Variable speed pumping application
Technologic 500 Controller with Danfoss variable frequency drives can operate and control up to 3 horizontal or vertically mounted parallel pumps. Any type of B&Gs or Goulds pumps can be used on these packages.The high end Tech 5500 controller is capable of handling up to 6 pumps as standard utilizing any brand of VFDs.
Variable speed pump application
Technologic Pump Control Panel (Tech 5500 or Tech 500)
Common back panel configuration available with Tech 500 and Danfoss VLT 6000 drives
Option for manual or automatic bypass
Horizontal or vertical mounted pumps
Choice of PRV or check valve on pump discharge
Thermal relief system to protect pumps from overheating
UL Listed
No Flow shut down
Capacities from 40 to 2000 GPM
How does it work?
The system can be enabled to run automatically from the keypad, or remotely via "dry contact", or serial communication. The pumps then stage on and off and vary their speed to meet the design requirements of flow and head.
Why use it?
To boost pressure of incoming city water and of the available hot water to meet the flow and head requirements during the day and night.
Typical application
Hot and/or cold water pressure boosting applications for schools, prisons, large and small residential and commercial buildings, etc.

Key Features

• Variable Speed
• Horizontal or Vertical Pumps
• Optional PRV On System
• Turn-Key

Variable frequency drives are used to control AC motor speed and torque by varying the frequency and voltage. This improves energy efficiency for pumps. Pump Express has different types and brands of variable frequency drives.

Additional Information (PDF):

70VS Variable Speed Booster Package Specification
70VS Variable Speed Booster Package Product Brochure