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61
o
Disable Stir Fan above Wind Speed: Above this speed, Stir Fans cease to operate when
in Natural Programming.
o
Minimum Time in Any Vent Mode: Minimal amount of time that the controller waits
before changing into Natural Programming (from Minimum Ventilation or Tunnel Mode).
Similarly, the controller remains in Natural Ventilation for at least this time.
o
Use Tunnel in Natural Curtain: Use tunnel curtains when in Natural Programming. When
disabled, curtains remain closed.
•
Wind & Rain Effect
o
Wind Low speed: Below this speed, curtains open completely. This number must be
higher than the Minimum Wind Speed to Enter.
o
Wind High speed: Above this wind speed, the controller lowers the curtain maximum
opening percentage to this point.
o
Between these levels, the controller opens the curtain based on a curve.
o
Wind & Rain Low speed:
o
Wind & Rain High speed
4.13.6
N
ATURAL
P
ROGRAM
H
OT
S
CREEN
When the Main Screen is displayed, press 5 to view the Natural Program Hot Screen. The Hot Screen
display depends on the Natural Program Status.
4.13.6.1
Ventilation is Not in Natural Mode
When Farm Premium is employing Minimum or Tunnel Ventilation, the Hot Screen displays the conditions
needed to enter Natural Mode.
NOTE:
The Between Temp parameters can change based on the wind speed. Refer to Minimum Wind
Speed for Tunnel Temp, page 60.
NOT IN NATURAL MODE
Wind Speed
Targ Temp
Wind Dir
Rain
Out Temp
Humidity In
Avg. Temp
Humidity Out
NATURAL MODE ENABLE CONDITIONS
Between Growth Days
1 - 50
Time Frame
24 hrs
Between Inside Temp
79.0 – 91.0
Between Outside Temp
62.0 – 89.0
Between Wind Speed
11.2 – 22.4