46
XT SERIES INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
1
4
3
2
Overfl ow
5
(supply water
connection)
OM-7661X
5
(drain)
Principle of operation
SAFETY FUNCTIONS
XT Series humidifi ers are protected against running dry —
current does not fl ow if the electrodes in the steam cylinder
are not submerged in water.
If the current rating exceeds 120% of nominal current, the
drain valve opens automatically. As the water level drops,
the current rating drops back to the nominal value.
If the current rating exceeds 120% of the nominal current
after several drainage operations, the humidifi er shuts
down automatically.
OPERATION
FIGURE 46-1: XT SERIES HUMIDIFIER PRINCIPLE OF OPERATION
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