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ITT Bell & Gossett: Variable-Speed Pump Controller

October 12, 2009
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The Technologic® 502 variable-speed pump controller utilizes the latest generation hardware platform with advanced pumping software and proven algorithms. This creates a smarter, more cost-efficient and energy-saving pump system for HVAC and pressure booster applications, says the company. The integrated pump controller and adjustable-frequency drive features control of up to four parallel pumps; four analog inputs for a combination of zone sensors, flow sensors, and suction sensors; local and remote start/stop capability; and RS-485 communications. The controller has program safeguards against damaging hydraulic conditions, such as pump flow surges, hunting, and system overpressurization. It also has a plain English diagnostic display with soft-touch keypad switches.

ITT Bell & Gossett, 8200 N. Austin Ave., Morton Grove, IL 60053; 847-966-3700; 847-966-9052 (fax); www.bellgossett.com

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