User manual

Chapter 1: Introducing the SEC-HD Phason
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Greenhouse applications
Greenhouse applications include controlling ceiling louvers, variable and single-speed fans, and
heaters. Some operations use the proportional feature for misting or ground heat (water pipes).
Business and light-industrial applications
Business and light-industrial applications include machine shops, garages, and utility sheds where
customers use the SEC-HD to control fans and inlets. The SEC-HD exhausts heat from the room
made by equipment and/or regulates the temperature as service bays open and close.
Features
 Automatic temperature-based control, -13 to 125°F (-25 to 51.7°C) temperature range
 Seven configurable operating programs
 Two variable cooling stages for controlling fans
 Three general-purpose relays (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
 Ventilation disable option
 Manual override/test mode
 Selectable motor curves
 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
 Limited warranty (two years)