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Table 30-1:
Setup menu (continued)
Menu item Default value
Minimum
value
Maximum
value
Units Notes
Water management (continued)
Skim
(not an XT menu item)
-- -- -- --
Skim enabled Yes No Yes -- Enabled as default except on DI water systems.
Skim duration Model-specific 0 120 Seconds
End-of-season drain -- -- -- --
EOS enabled Yes No Yes --
Enabled as default except on DI water systems.
If enabled, the humidifier tank drains after the
humidifier has been idle for a user-defined time.
Idle time for EOS 72 1 168 Hours
Select number of hours humidifier is idle before end-
of-season draining starts.
Aquastat
(not an XT menu item)
-- -- -- --
The minimum aquastat setting prevents tank water
freezing. Higher settings keep tank water warm,
reducing time required to bring water to boiling after
a call for humidity.
Aquastat enabled -- No Yes --
Aquastat set point
50 40 180 °F
10 4 82 °C
Service interval -- -- -- --
Service interval
Model-specific 0 2,200,000 lbs
Select amount of water to be converted to steam or
hours that humidifier runs before service interval is
reached.
Model-specific 0 1,000,000 kg
Model-specific 0 10,000 Hours
Probe threshold -- -- -- --
Probe threshold 800 300 2000 --
Probe debounce time 2 1 10 Seconds
Amount of time the water probe must be in or out of
water to change the water/no water state.
Fill fault time 40 40 250 Minutes Amount of fill time before an alarm will occur.
XT management (XT only)
Tempering enabled Model-specific No Yes --
Enables drain tempering for XT. Tempering turns
on the fill valve whenever the drain is energized
and may not be required if the drain line can
accommodate boiling water.
TP Mode enabled Model-specific No Yes --
TP Mode allows the humidifier to more closely track
demand by cycling the contactor when current is
greater than the demand signal requirement.
Turn on percent 20 10 20 % Minimum run level when TP mode is disabled.
Fan-based dispersion
Changing fan-based dispersion settings can require
component changes for system to operate correctly.
SDU -- ------
An SDU is a space distribution unit, which disperses
steam using a fan housed in a cabinet.
SDU on system -- No Yes --
Area-type -- ------
An Area-type dispersion unit is a caged fan mounted
on top of the humidifier tank.
Area-type on system -- No Yes --
Time delay -- ------
Select number of minutes fan-based dispersion unit
operates after water in tank stops boiling. A delay
keeps the fan running until all steam is dispersed.
Output time delay 5 1 30 Minutes
Continued
Installation
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