curve. When the last point is reached, the controller keeps using the start temperature associated to that
day.
All ten points of the curve must be specified. If ten points are not needed, repeat the last start temperature
value for each unnecessary point.
Certain restrictions apply to reduce the risk of errors:
• The highest possible day number is 450.
• Decreasing day numbers are not allowed.
Setting the Brooder Curve Start and Stop Temperatures
1. Using the menu select arrow keys, navigate to
Start / Stop Temps→Brooders→Curve
.
This menu is accessible if the brooder output is enabled.
2. Press the down arrow key to select the first point of the curve.
3. Set the following parameters:
Day
Set the day at which each step starts. The day number refers to
the animal age. *This parameter can only be modified while the
curve is disabled.
Temperature
Assign a start temperature of the brooder heater to each step of
the curve. *This parameter can only be modified while the curve is
disabled.
Status
Once all 10 curve points are defined, press the down-arrow key to
select the curve status at the bottom of the screen and then select
Yes
to enable the curve. Once it is on, the controller automatically
adjusts the start temperature of the brooder heater between con-
secutive points of the curve.
0-10V Brooder Heater Output: How it Works
The 0-10V brooder heater starts heating at minimum intensity when the average temperature of its
probes falls to the Start Temperature. It then increases in intensity as the temperature decreases and
reaches its maximum heat intensity when the temperature gets lower than the Start Temperature — Dif-
ferential. The brooder heater finally turns off when the temperature increases and reaches the Stop Tem-
perature of the output.
890-00081
Expert VT-110
57
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