Honeywell HWM910 Owners Manual - Page 8

WEEKLY CLEANING We recommend cleaning the humidifier weekly, more often if you have hard water or notice a build-up of impurities or detect unpleasant odors. Cleaning involves two steps SCALE REMOVAL and DISINFECTING. Be sure to perform these in the proper order to avoid harmful chemical interactions. • First, turn off and unplug the humidifier. Wait at Fig. 6 least 10 minutes for the unit to cool. • Remove the Water Tank. • To remove the Power Unit, pull the Latch to release (found under the Water Tank) and lift the Power Unit (Fig. 6). Turn upside-down to check condition of heating element. If build-up of minerals is heavy, follow the CLEANING THE HEATING ELEMENT instructions. Set the Power Unit aside. • Empty any water from the Base and Removable Tray. STEP ONE: SCALE REMOVAL STEP TWO: DISINFECTING REMOVABLE TRAY: 1. Fill the Removable Tray (Fig. 6) with either: • 1 cup (8 oz.) undiluted white vinegar or • Use DuraRinse® Humidifier Cleaner, Part No. AC-816, following bottle instructions. 2. Let solution stand for 20 minutes. 3. With the vinegar or DuraRinse® in the Removable Tray clean all interior surfaces with a soft cloth or brush to help remove scale. 4. Rinse the Removable Tray thoroughly with water to remove scale and cleaning solution. WATER TANK/REMOVABLE TRAY 1. Fill the Water Tank with: • 1 teaspoon of household bleach and • 1 gallon of water. Pour some of this solution into the Removable Tray. 2. Let solution stand for 20 minutes. 3. Rinse with water until the odor of bleach is gone. NOTE: THE USE OF OTHER WATER TREATMENT PRODUCTS, CHEMICALS, SOAPS, DETERGENTS OR ABRASIVE CLEANSERS NOT RECOMMENDED IN THE MANUAL MAY CAUSE DAMAGE TO THE HUMIDIFIER OR AFFECT PERFORMANCE.