Specifications

DRI-STEEM Vapormist humidifier • Page 7
Vapormist components
4. Water skimmer/overflow port
In standard water systems, the water skimmer reduces surface
minerals in the evaporating chamber. Skimming occurs each
time the humidifier fills. The skim time duration is user-
adjustable.
DI/RO water systems do not require skimming. In DI/RO
systems, the skimmer port functions as an overflow port.
5. Heating elements
Low-watt-density Incoloy-sheathed heating elements
ensure operation for many seasons. Constant expansion
and contraction of heating elements sheds mineral scale. In
the unlikely event of heater failure, heating elements can be
removed easily.
6. Removable cover
A removable cover allows easy access to the evaporating
chamber, electrical connections, and drain.
7. Steam outlet
Steam generated in the humidifier rises through the steam
outlet and travels to the dispersion assembly through vapor
hose or piping.
8. Temperature sensor (not shown)
Mounted on the evaporating chamber, this sensor enables:
• Over-temperature protection
• Freeze protection
• Preheating, allowing rapid response to a call for humidity
Figure 7-2:
Water level control for DI/RO-water
humidifier
Supply water connection
Float rod
Float ball
OM-7396
Humidifiers using tap or softened water
control water levels electronically using a
three-rod probe. The controller responds
with the above actions when the water level
reaches each rod.
Figure 7-1:
Water level control for standard-water
humidifier
VLC-OM-030
Fill valve opens when water
level is below this probe.
Low-water cutoff. Power to
heaters is cut if water level
drops below this probe.
Fill valve closes when water
level rises to this probe.
mc_030910_1335
Humidifiers using DI/RO water control water
levels using a float valve and low-water
cutoff switch.