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Maintenance
6. Lift the drum shaft out of the support and slide the
drum away from the motor, then down and away from
unit.
7. Dump any accumulated sludge or slime from the pan.
Clean thoroughly using a 50/50 solution of white vinegar
and water or liquid humidifier cleaner. Thoroughly rinse
with clean water.
8. Remove the evaporator drum ends by squeezing the
loop ends of the wire cage.
9. Coil the evaporator pad to free it from the wire cage.
10. Install the new evaporator pad by coiling the pad and
inserting it into the wire cage. Uncoil the pad and butt
the ends together.
11. Remount the evaporator drum ends by reversing step 8.
12. Re-install the drum assembly into the humidifier and
replace the drain plug.
13. Latch the pan onto both metal loops at the outlet end of
the unit.
14. Swing the pan up to engage the Mounting Plate tang.
The pan will nest into the top.
15. Slide the stainless steel retainer over the lips of the top
half and pan at the water inlet end of the unit to lock
the assembly into place.
16. Re-install the 7” diameter bypass duct.
17. Reconnect the overflow drain line and turn on the water
at the saddle valve by turning counter clockwise. The
water level should be 1 3/8” below the edge of the 5 1/2”
diameter bypass duct opening.
18. Replace the window panel on the front of the humidifier
by sliding it up into the window frame, and sliding it
down to secure.
19. Set the humidistat to the desired humidity level.
20. Connect the humidifier to the power source and turn
electrical power to the furnace ON.