Honeywell HE120A1010 Owner's Manual - Page 5

HE120 BY-PASS DRUM HUMIDIFIER 7. Refer to the drawing to disassemble the drum. See Fig. 3. SQUEEZE SLIGHTLY TO INSTALL OPEN DRUM END PAD TINNERMAN DRUM SHAFT METAL TABS CLOSED DRUM END M13609 Fig. 3. Drum Assembly 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 with the new Honeywell Drum Humidifier Pad (Part no. HC12A1015). The actual frequency depends on the quality of the water used. 9. After the humidifier components are clean, reassemble the humidifier by reversing 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 Your Humidifier Operation section. Start of Humidification Season Replace the humidifier pad with a new Honeywell Drum Humidifier Pad (Part no. HC12A1015) at the beginning of the heating season. Follow the cleaning instructions to replace the pad and check for proper operation. End of Humidification Season Clean the humidifier and shut it off at the end of the heating season. Follow the cleaning instructions, steps 1 through 9, to shut down the device for the season. 5 69-1110EF-02