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Wadsworth Step® Automation controls

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Product Description

Wadsworth control and vent systems accurately and automatically control your retail or growing environment. You set up the program you want to use for your specific needs and the STEP Control System does the rest. The computer controls can operate any equipment in the greenhouse integrating everything into a total environmental program.

Conveniently control any of this equipment:
• Exhaust fans
• Motorized shutters
• Automatic vent openers
• Heater blower motors
• Gas solenoids
• Hot water or steam valves
• Turbolator jet fans
• Cooling pad pumps



EnviroSTEP control system


Wadsworth’s EnviroSTEP can control any equipment in your greenhouse. It will control heating, cooling, humidity, shade curtains, lighting, irrigation and fog systems. Additionally, it has separate day and night and DIF climate settings which include ramping to allow gradual changes in conditions from one period to the next.

  • One Zone
  • Three setpoint periods: Day, Night & DIF
  • 12 Relay outputs custom programmed for your greenhouse equipment
  • Two 0–10V Analog outputs (for proportional equipment)
  • Controls temperature: Heating & Cooling equipment – individual setpoint adjustment for each piece of equipment, lock-out options
  • Humidity, Fog, Misting, Irrigation—based on time, sun intensity, plant stress index, temperature
  • CO2—based on time, temperature, concentration level—can be tied to cooling setpoint, vent operation
  • HID lighting based on time, sun intensity
  • Energy Curtains—based on time, sun intensity, temperature, separate, heat, cooling & shade settings

EnviroSTEP control system
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FOB Arvada, CO.


MiniStep control system


The MiniSTEP is a temperature controller designed specifically for the freestanding greenhouse. The four-stage electronic controller is packed full of features, but priced to be economical for even the smallest greenhouse. It is easy to install and to operate. You simply select a set-point temperature and the STEP unit will take command of your heating and cooling equipment.

  • Preprogrammed from the factory for one heat and three cooling outputs
  • Attached and pre-wired to a power relay panel
  • Voltage Input: 120 VAC, 50/60 Hz
  • One temperature input and four output stages
  • Setpoint temperature range is -40° to +220°F
  • Adjustable temperature, mode and output status
  • LCD display of current temperature, mode and output status
  • Keypad provides for easy programming and operation
  • Easily converts to Celsius scale

M-4000 MiniSTEP control system
FOB Arvada, CO.


Contactor panel


While Wadsworth STEP controls can operate a wide variety of equipment, motor loads must first be connected to special purpose relays called motor starters or contactors.

Contactor panel
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FOB Arvada, CO.


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