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CLEANING AND
MAINTENANCE
TrueSTEAM automatically shuts down when humidity is not needed for an extended period. After several days
of inactivity, the water tank will drain and remain empty until humidity is called again. This prevents water from
stagnating inside the tank. TrueSTEAM will refill the tank with water and reset itself when your control calls for
humidity again.
Follow these maintenance steps at the end of the heating season. Doing this each year helps keep your
TrueSTEAM at peak efficiency:
Clean the tank, following the procedure in “How do I clean the tank?” on pages 15 - 18. Cleaning the tank at the
end of the season ensures TrueSTEAM will be ready to perform the next time your home needs humidity.
Examine the water tank gasket. If the gasket
is cracked or split, it must be replaced before
re-attaching the water tank.
Clean out the ventilation holes in the
TrueSTEAM cover.
Clear the water drain tube connected to the solenoid
valve. Disconnect the hose and inspect for blockage,
then run hot tap water through the hose.
Check that TrueSTEAM is still installed in a
level position.
What if I go on vacation? • Even though TrueSTEAM’s water tank will drain automatically after several days,
Honeywell recommends shutting off the TrueSTEAM water supply and turning off the humidity control for
extended leaves. Upon return, turn on the water supply and reset the control to the desired setpoint.
What should I do at the end of the season?
M29678
WARNING! Electrocution Hazard.
During cleaning, TrueSTEAM must be unplugged if cover is removed to prevent 120 VAC from
being present in the coil and other tank components.
TrueSTEAM Humidification System 69-2286EFS—03
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