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7
Maintenance
Periodic cleaning is required for the efficient and
safe operation of this humidifier. Inspect the
humidifier approximately once a month for mineral
and algae growth. Algae may develop inside the
humidifier if certain conditions exist in the water
supplying the unit. Algae is a slimy substance which
can be green, brown or white. It is advisable to add
an algaecide to the water on a weekly basis. This
algaecide can be 10 drops of bleach or bacteriostatic
liquid/powder. Periodic cleaning and removal of
accumulated mineral deposits and algae growth is
the only required maintenance of this unit. The
frequency of this maintenance will depend on the
mineral content, or hardness, of the water being
supplied to the humidifier.
To inspect the unit:
1. Turn the electrical power to the furnace OFF.
2. Set the humidistat to the OFF position and
disconnect the humidifier from the power
source.
3. Turn off the water at the saddle valve by
turning clockwise.
4. Remove the window panel (panel with label
attached) on the front of the humidifier by
sliding it up, pulling the bottom away from the
unit and then pulling down.
To clean the unit:
1. If the evaporator pad appears clogged with
mineral deposits, remove the drain plug from
the bottom pan and drain the water from the
unit.
2. Disconnect the overflow drain line and 7”
diameter bypass duct.
3. While holding the bottom pan, slide the
stainless steel clip off the end of the humidifier.
Lower the clip end of the pan slightly and move
the pan from side to side, disengaging it from
the metal loops at the other end.
4. Remove the pan from the unit.
5. Slide the stainless steel retainer clip from the
drum shaft support at the open end of the
humidifier.
NOTE: Do not rotate the drum or damage to the
motor gear train will occur.
Note
To prevent algae, it is
advisable to add an
algaecide to the water
on a weekly basis.