Chapter 8 – Alarm Settings
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8.2. Setting up fan alarms
Fan alarms operate by using pressure transducer sensors mounted on
the seeder chassis near the fan. The sensors determine the pressure of
the system. If the alarm point is set too close to the operating pressure,
the alarm can trigger whenever fan pressure or fan speed changes
significantly.
1.
Select Settings Menu / Alarm Settings Menu / Fan
Alarms .
l Fan Press. Low: (Fan Pressure Low): Triggered if system
pressure drops below the alarm point.
l Fan Press. High (Fan Pressure High): Triggered if system
pressure exceeds the set alarm point.
l Fan Speed Low: Triggered if the fan rpm drops below the set
alarm point. The alarm point is usually set to 20% below the
normal operating speed of the fan.
l Fan Speed High: Triggered if the fan rpm exceeds the set alarm
point. The alarm point is usually set to 20% above the normal
operating speed of the fan.
2.
Set the Alarm Point for the enabled alarms and confirm .
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