DriSteem HUMIDI-TECH DI Installation Guide Page 61

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DRI-STEEM Vapor-logic
3
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Table 57-1:
Idle screen status messages
Readout display Description
Filling The unit is filling with water.
Skimming The unit completed a fill cycle and now is skimming.
Draining The unit is draining.
Flushing The unit is flushing.
/P%VDU"JS'MPX The airflow proving switch is open and has disabled the humidifier (terminals 12 and 13).
Interlock Disable The interlock circuit is open and has disabled the humidifier (terminals 14 and 15).
VAV Output Limit The unit is approaching or has reached the duct RH high limit set point (terminals 24 and 25).
Preheating Tank The unit received a call for humidity and is heating the tank at 100% until it reaches the water boiling set point.
Freeze Protection The tank temperature has fallen below the freeze protection set point, and the unit is being heated to prevent the tank from freezing.
Aquastat Heating The tank temperature fell below the aquastat set point, and the unit is being heated to maintain the aquastat set point.
End of Season Drain The unit is in end-of-season drain mode.
End of Season The unit is in end-of-season mode and is no longer draining.
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 was temporarily modified to prevent moisture from forming on the windows. The modified set point is identified with an
asterisk (terminals 27 and 28).
Duct RH High Limit The duct high limit RH was reached and disabled the humidifier (terminals 25, 26).
Service Humidifier It is time to perform routine service on the humidifier. See page 77 to clear.
Clean Probes & Tank The system detected the need to clean the tank and water level probe assembly to prevent false water level readings.
Idle screen status messages
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VL3_IOM.pdf 61 11/19/2009 9:11:15 AM
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