Honeywell HWM-331 Weekly Cleaning cont’d, Cleaning the Heating Plate, Step ONE Scale Removal

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Weekly Cleaning cont’d.

STEP ONE:

SCALE REMOVAL

Removable Tray

1.Fill the Removable Water Tray (Fig. 3) with:

• 1 cup (8 oz.) of undiluted white vinegar

2.Let solution stand for 20 minutes.

3.With the vinegar in the Removable Tray, clean all interior surfaces with a soft cloth or brush to help remove scales.

4.Rinse the Removable Tray thoroughly with water to remove scale and cleaning solution.

STEP TWO:

DISINFECTING

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 smell of bleach is gone.

NOTE: Removable Water Tray and Medicine Cup are top shelf dishwasher safe.

NOTE: THE USE OF OTHER WATER TREATMENT PRODUCTS, CHEMICALS, SOAPS, DETERGENTS OR ABRASIVE CLEANSERS NOT RECOMMENDED IN THIS MANUAL MAY CAUSE DAMAGE TO THE HUMIDIFIER OR AFFECT PERFORMANCE.

Cleaning the Heating Plate

CAUTION: HOT SURFACES MAY CAUSE SEVERE BURNS. DO NOT TOUCH ANY SURFACES UNTIL THEY HAVE COOLED.

CAUTION: DO NOT CLEAN THE HUMIDIFIER WITH THE POWER CORD PLUGGED IN THE ELECTRICAL OUTLET AS AN ELECTRICAL SHOCK COULD OCCUR.

If the output drops, or the Refill/Clean light remains on, even while there is water in the tank, the mineral build-up may need to be removed from the Heating Plate and the Mineral Reservoir. You may also have to replace the Mineral Absorption Pad.

Fig. 24

Heating

Plate

Mineral	Mineral
Absorption Pad	Reservoir

How often you perform this special maintenance depends upon the

hardness of the water you are using and how quickly mineral deposits form on the interior surfaces of the humidifier.

1.Turn off and unplug the humidifier. Allow at least 15 minutes for the unit to cool.

2.The Heating Plate is on the bottom of the Base. To access it, grasp the Power Unit and lightly tilt it forward while pulling up. You will feel the unit disengage from its lock (Fig. 22). Set the Power Unit aside.

3.Remove the Water Tray and set aside (Fig. 23).

4.Remove the Mineral Absorption Pad using tweezers or tongs to prevent burns.

5.BE SURE THE HEATING PLATE HAS COOLED SUFFICIENTLY. Empty any water from the base and remove mineral debris from the Mineral Reservoir. Be sure to clean the Mineral Reservoir thoroughly.

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