DriSteem Vapor-logic 4 User Manual

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Table 45-1:
Diagnostics menu (continued)
Message Description Does message auto-clear?
Messages
Replace contactors Contactors have reached normal life span. Replace contactors. No
Service unit Regularly scheduled unit servicing is due. No
Drain pending Auto drain/flush will occur at next scheduled time. Yes
No airflow No duct airflow Yes
I-lock open Interlock safety switch is open. Yes
Freeze drain Tank has drained to prevent freezing. Yes
EOS active The humidifier is draining or has drained and remains inactive until receiving another call for humidity. Yes
Temp comp on
Humidifier output has been reduced because temperature compensation sensor reads a temperature on
the inside-pane of an outside-wall window that could cause condensation.
Yes
Clean probes Water level control probes need cleaning. Check tank for cleaning. No
Duct HL trip Duct relative humidity has risen above the high limit set point, or high limit switch has opened. Yes
Duct HL span Duct high limit humidistat has entered the throttle span range and is approaching duct high limit set point. Yes
Insufficient water The low water probe is not in contact with water when there is a demand for humidity. Yes
Boiling temp
calibrated
Indicates actual humidifier boiling temperature at time of reading. This reading is taken after power-up by
the tank sensor at the time of first steam creation.
Yes
Check cylinder /
high water
(XT systems only)
Clean water, or end of cylinder life.
After 10 hours of normalized 100% run time, target current has not been reached, water is at the high
water probe, and current has not increased from the previous reading.
Humidifier continues to operate.
Yes, if target current is
reached
Clean supply water (cleaner than cylinder water). Filling has stopped due to reaching the high water probe,
and the current has decreased three times in a row.
Humidifier continues to operate.
Notes:
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Operation

DriSteem Vapor-logic 4 Specifications

General

Brand	DriSteem
Model	Vapor-logic 4
Category	Controller
Language	English