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Variable Frequency Systems

Variable Frequency Systems Technical Specifications

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Colortronic's Variable Speed Systems control either water pressure by varying the speed of the pump, or cooling tower water temperature by varying the speed of a tower fan.

The basic system consists of three components: pressure or temperature transmitter, speed controller, and single variable frequency drive; wall-mount, NEMA 1.

Optional Features:

• Disconnect and fuses
• 4-20ma pressure transmitter
• 4-20ma temperature transmitter and well
• 0-10 VDC variable speed pressure controller
• 0-10 VDC variable speed temperature controller
• Electrical enclosure to house speed controller and other accessories (not needed if NEMA panel