flowair T-box User Manual page 97

Roof fan setting
Roof fan
active setting
roof fan change air volume according to present
dampers opening level and air flow of LEO heater
roof fan change air volume according to present
dampers opening level
Setting „0%" means balance between air removed by
roof fan and supplied by KM heater.
Positive value means that the roof fan removes more air
than the KM supplies (under-pressure). Setting „+100%"
means continuous operation of the roof fan.
Negative value means that the roof fan removes less air
than the KM supplies (overpressure). Setting „-100%"
means operation of the KM only.
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Dampers setting according
to external temperature
Dampers
Automatic setting of dampers opening level according
to external air temperature.
Value set here is overriding normal damper setting and
setting in calendar.
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