Sequence of Operation
No Condensate avoidance as set by MSV-70, set to None
Series Fan Powered Application (as set per MSV-13 Auxiliary output C, control type)
In both occupie
d & standby mode, the fan is always on.
In Unoccupied mode, the fan will only start when there is a demand for heating. The fan can be configured with configuration point
AuxC Formula
to be either on/off or modulating. If configured on/off, the fan will start when there is a call for heat. When the call for heat is satisfied , the fan will stop. If configured
modulating, the fan will start as soon as there is a heating demand (1%+) and will ramp up to 30% fan output. When the heating demand rises from 30%to 100%, the fan
output will track the heating demand output. When the heating demand is 0%, the fan will stop.
Parallel Fan Powered Application (as set per MSV-13 Auxiliary output, control type)
In both occupied, standby & unoccupied modes, the fan will only start when there is a demand for heating. The fan can be configured with configuration point
AuxC Formula to be either on/off or modulating. If configured on/off, the fan will start when there is a call for heat. When the call for heat is satisfied, the fan will stop.
If configured modulating, the fan will start as soon as there is a heating demand (1%+) and will automatically ramp up to 30% fan output. When the heating demand rises
from 30% to 100%, the fan output will track the heating demand output. When the heating demand is 0%, the fan will stop.
ECM Minimum Speed (AO)
If modulating fan is chosen, there is an ECM Minimum Speed setting that can be adjusted in Onyxx LX UI below Output C. The default is 30%.
Ramp adjustment boxes below Aux A thru Aux E
Ramp settings are preset to manufacturer recommendations. Adjustments can be performed at user risk and may result in undesirable behavior.
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