6
H120A,B BY-PASS DRUM HUMIDIFIER
69-1110—1
Every 1 to 3 Months
(Depending on Water Quality)
CAUTION
Voltage Hazard.
Can cause electrical shock
and equipment damage.
Disconnect power and shut off water
supply before installing or servicing.
IMPORTANT
Never oil any part of the humidifier.
Use the following steps to clean your
Honeywell humidifier:
1. Disconnect the power and turn off the
humidifier water supply.
2. Remove the humidifier cover by lifting
the bottom of the cover upward.
3. Lift up the drum shaft from the bearing
end and slide it out of the motor
coupling to remove the drum assembly.
NOTE:
You will encounter some
resistance when removing the
drum shaft until you hear an
audible click.
4. Remove the drum from the assembly.
5. Grasp the rubber valve seat between
your thumb and forefinger and lift it
upward to remove the valve seat from
the valve. The seat is located inside the
humidifier housing at the water valve
opening.
6. Raise up the float and remove the
water pan.
7. Refer to the drawing to disassemble
the drum.
8. Clean all humidifier parts in a 50%
solution of vinegar (or a humidifier
cleaner) and water. Soak overnight to
remove stubborn deposits.
NOTE:
Replace humidifier pad
yearly. The actual frequency
depends on the quality of the
water used.
9. After the humidifier components are
clean, reassemble the humidifier by re-
versing the order of steps 1 through 7.
NOTE:
Be sure that the drum shaft is
completely seated, listen for
the click.
10. Verify the humidifier operation by
following the steps in the Checking the
Humidifier for Proper Operation
section.
OPEN
DRUM END
CLOSED DRUM END
METAL TABS
TINNERMAN
DRUM SHAFT
PAD
SQUEEZE
SLIGHTLY
TO INSTALL
M12243
