Control Operation Overview Chore-Tronics® 2 Control
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MT1843B
Curves
The clocks, Set temperature, Minimum ventilation timer and the Revolution
feeder window can be curved, if desired. This means that the settings for these
parameters can be automatically changed by the Control. The "bend points" (BP)
of the curves are the day numbers (age of birds, for instance) combined with the
desired values of the settings at those day numbers. In the case of the feed and
light clock curves, and the feeder window ramp, the settings stay the same from
one bend point to the next bend point. For the set temperature and minimum
ventilation timer curves, the Control adjusts the settings gradually between the
bend points.
When the curves are turned "on", the Control will refer to the curve values and
automatically adjust the settings to the curve value beginning at midnight of
BP1's day number. Negative day numbers are allowed (Max=-7, Day number 0
does not exist). Day 1 would normally be the day the birds are placed.
Refer also to the glossary of terms for this subject.
Alarms
At the top of the "Alarm Overview" (Screen 8, Alarm Conditions tab) screen, the
current status of the alarm system will be shown. The three possible statuses are
ENABLED, DISABLED, AND TEST. The status field can be changed.
Enabled
If the alarm system is ENABLED and one or more alarms arise, there will be
alarm message(s) at the top of "Alarm Commands" screen. After pressing the
Alarm button the first time, the alarm Relay will be changed to the non alarm
state for one minute and the alarm-screen will be shown. By pressing the
Alarm button a second time the alarm message will change from ALARM to
the status NOTICED. This second button press is the manner that you tell the
Control that you are aware of the alarm condition and, in so doing, NOTICE
the alarm condition. If there is more than one alarm condition, you NOTICE
each additional alarm condition with an additional button press for each
additional alarm condition. If you fail to NOTICE an alarm with the
additional button press(s), the alarm Relay will return to the alarm state one
minute after the initial Alarm button press. If the alarm condition is still
present when you NOTICE the alarm, the word ALARM to the right of the
condition will (for most alarm conditions) change to OFF FOR 24:00. The
time setting is editable. It gives you time to deal with the problem. If you do
not fix the problem, the alarm Relay will once again trigger your alarm
system at the end of the time period. If the alarm condition has
RECOVERED by the time you NOTICE the condition, the alarm message
disappears when you NOTICE it and it is added to the "Alarm History"
screen.
Disabled
It is possible, but not recommended, to DISABLE the alarm system of the
Control. One reason for this could be that the house is empty. The light
beside the the Alarm button will flash slowly to remind you that the alarm
system is disabled, but the alarm Relay will not change to the alarm state.
The alarm history shown at the bottom of the "Alarm History" screen does
list that the alarm system was disabled, when, and for how long.
Test
If the user chooses TEST, the alarm Relay will immediately change to the
alarm state. This allows testing the alarm system that is external to the
Control (telephone dialer, for instance.) NOTICING the ALARM TEST, as
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