User manual
Chapter 1: Introducing the TVS Phason
2
Greenhouse applications
Greenhouse applications include controlling ceiling louvers, variable and single-speed fans, and
heaters.
Business and light-industrial applications
Business and light-industrial applications include machine shops, garages, and utility sheds where
customers use the TVS to control fans and heaters. The TVS exhausts heat from the room made by
equipment and/or regulates the temperature as service bays open and close.
Features
Automatic temperature-based control, range: -13.0 to 125 °F (-25 to 51.7°C)
Seven configurable operating programs
Two variable cooling stages for controlling fans
One general-purpose relay (heat or cool)
One alarm relay (for external alarm system or siren)
Four-character LED display and individual stage LEDs
Minimum and maximum temperature logging
Error code display
Manual override/test mode
Selectable motor curves
Ventilation disable option
Three-second full-power-turn-on for minimizing fan ice-up
Power-failure settings protection
One temperature probe input
Thirty-foot temperature probe, extendable to 500 feet
Easy System compatible – edit and store configuration and settings on a computer. For more
information, visit www.phason.ca.
Rugged enclosure (corrosion resistant, water resistant, and fire retardant)
CSA approval
Two-year limited warranty










