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XT-70 Control Panel 56
The OUTSIDE AIR CONTROL screen allows for the setting of the outside air differential and the reference.
These values are used to calculate the START T. Any time the Outside air temp is less than the Start temp
The Temperature Dev alarm screen allows the setting of the High and Low deviation. The LDT is the low
deviation timer in minutes. It is a count down timer that is active when ever the plenum is below the setting.
When the timer counts to zero it will trigger the alarm. The HDT is a similar timer for the High Deviation.
7.7
7.8
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