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Readout displayed Description
Filling The unit is filling with water.
Skimming The unit has completed a fill cycle and is now skimming.
Draining The unit is draining.
Flushing The unit is flushing.
No Duct Air Flow The air flow proving switch is open.
Interlock Disable The interlock circuit is open.
VAV Output Limit The unit is approaching or has reached the duct RH high limit set point.
Preheating Tank The unit has received a call for humidity and is preheating the tank.
Freeze Protection The tank temperature has fallen below the aquastat set point and the unit
is being heated.
End of Season Drain The unit is in end of season drain mode.
End of Season The unit is in end of season.
Low Tank Level The water level is below the probes on a standard water unit or below
the float on a DI/RO water unit.
Temp Comp The RH set point has been temporarily modified to prevent moisture
from forming on the windows. The modified set point is identified with
an asterisk.
Duct RH High Limit The duct high limit RH has been reached.
Service Humidifier It is time to perform routine service on the humidifier.
Replace Probes The system has detected the need to clean or replace the probe
rod assembly.
Keypad/display readouts.
Operation
Operation:
Keypad/display readouts
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