3. Power Mode- The temperature sensor (s) assigned here will determine what the control will use to
transition from Power to Tunnel mode.
4. Temp. Influence On Minimum Ventilation
The temperature sensor (s) assigned here will determine the amount of time added or subtracted
away from the Minimum Ventilation timer in Power mode.
For this feature you must first check the box in the (Setup/house screen) for Temp. Influence On
Minimum Ventilation.
Ventilation timer ramping-
If the sensor(s) that are assigned to the Minimum Ventilation fan(s) temperature is at or below set tem-
perature then the fans will use the ON and OFF times that are listed for the Minimum Ventilation Tim-
er. If the sensor (s) assigned to the Ventilation Time Ramping temperature is between set temperature
and the fans' ON temperature the control will adjust the amount of ON time between the Min Venti-
lation value and the Max value. The OFF time will be adjusted by the same amount of time that the
ON is adjusted, thus keeping the total cycle time constant. The temperature is checked 30 seconds be-
fore the beginning of the ON time cycle of the Minimum Ventilation Timer. Once the fans' tempera-
ture sensor(s) reach the fans' ON temperature, the fan will turn on and run continuously until the fans'
OFF temperature is reached.
Example: The set temperature is 70.0°F and the fans assigned to the Min Vent timer ON temperature
is 72.0°F. The Minimum Ventilation Timer values are 30 seconds ON time and 270 seconds OFF
time. The maximum ON time is 210 seconds. If the sensor(s) assigned to the Ventilation Time Ramp-
ing temperature is 71.0°F at the beginning of the anticipation cycle, then the fans will have an ON
time of 125 seconds and an OFF time of 175 seconds
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