A digital 3-mode Environmental Controller is included to provide the user with total control. One mode allows for manual control of the fan's speed, while two thermostat-controlled modes either turn off the fan or reduce its speed when the temperature of the room falls below the set temperature. • 3 Mode Environmental Controller • Signal Daisy Chain The 3 modes that can be used are Fan Speed, Cool-Temp Speed, and Cool-Temp Shutdown, explained below: • Fan Speed: the fan will run continuously at the SET SPEED. • Cool - Temp Shutdown: If temperature probe measures above the SET TEMP, the fan will run at full speed. If temperature probe measures below the SET TEMP, the fan will shut down. • Cool - Temp Speed: If temperature probe measures above the SET TEMP, the fan will run at full speed. If temperature probe measures below the SET TEMP, the fan will run at SET SPEED.
