Honeywell Humidifier HWM-950 Series Manual

The Honeywell HWM-950 Series is a high-performance humidifier designed to add moisture to dry air in medium to large rooms. It features adjustable humidity control, a large-capacity water tank, a wicking filter system, a digital display, automatic shut-off, a refill indicator, quiet operation, and easy-to-clean components. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Digital Control Panel, Large Water Tank, Wicking Filter, Humidistat, Air Outlet, Power Cord, and Carry Handle.

Installation & Setup

Unpack and inspect all components. Place on a flat, stable, level surface away from heat sources and electronics.

1. Remove all packaging materials from the humidifier and water tank.
2. Install the wicking filter: Remove filter from packaging, soak in cool water for 15 minutes, then insert into filter frame in base.
3. Fill the water tank: Carry tank to sink, remove cap, fill with cool tap water, replace cap securely.
4. Position the unit: Place humidifier at least 12 inches from walls and furniture for proper air circulation.
5. Plug into a standard 120V AC electrical outlet.

WARNING! Use only cool tap water. Do not use hot water or additives. Ensure unit is on a level surface to prevent leakage.

First-Time Use

Power on the humidifier and configure initial settings.

1. Press the POWER button to turn on the unit.
2. Set desired humidity: Use the UP/DOWN buttons to select a humidity level between 30% and 60% (45% is recommended for comfort).
3. Select fan speed: Press FAN button to cycle through High, Medium, and Low settings.
4. Monitor the digital display: It shows current room humidity and set target.
5. Allow 24 hours for the unit to stabilize and accurately adjust room humidity.

CAUTION! Do not operate without water or filter installed. Always use two hands when carrying a full water tank.

Specifications

• Model Series: HWM-950 (HWM-951, HWM-952, HWM-953).
• Coverage Area: Up to 500 square feet.
• Water Tank Capacity: 1.5 gallons (5.7 liters).
• Output: Up to 1.2 gallons per day (depending on room conditions).
• Humidity Control: Adjustable 30% to 60% RH.
• Fan Speeds: 3 settings (High, Medium, Low).
• Power Source:120V AC, 60Hz, 25W.
• Dimensions (HxWxD): 16.5 x 10.5 x 11 inches.
• Weight (empty): 7.5 lbs.
• Operating Noise Level: < 35 dB on Low setting.

Controls and Settings

Control Panel: POWER, HUMIDITY UP/DOWN, FAN, FILTER RESET, REFILL INDICATOR (LED).

Digital Display: Shows Set Humidity, Current Humidity, Fan Speed Icon, and Filter Replacement Indicator.

Humidity Setting: Adjust target humidity in 1% increments. Fan Speed: High for rapid humidification, Medium for normal use, Low for quiet nighttime operation. Filter Reset: Hold FILTER button for 3 seconds after replacing filter to reset indicator. Automatic Mode: Unit cycles fan to maintain set humidity. Manual Mode: Fan runs continuously at selected speed.

Operation Modes

Automatic Mode (Default): Unit monitors room humidity and adjusts fan speed automatically to maintain set level.

1. Press POWER to turn on.
2. Set desired humidity with UP/DOWN buttons.
3. Unit will operate in Auto mode, displaying "AUTO" icon.
4. Fan speed will vary based on humidity difference.

Manual Mode: For constant output.

1. Press FAN button to select High, Medium, or Low speed.
2. "AUTO" icon will disappear.
3. Fan will run continuously at selected speed until changed or unit is turned off.

Tip: Use Auto mode for energy efficiency and consistent comfort. Use High speed when first increasing room humidity.

Maintenance & Cleaning

Regular cleaning prevents mold and mineral buildup. Unplug unit before cleaning.

1. Daily: Wipe exterior with a soft, damp cloth.
2. Weekly: Empty any remaining water from tank and base. Rinse tank with clean water.
3. Bi-Weekly: Deep clean tank and base with a mixture of 1 teaspoon white vinegar and 1 gallon water. Rinse thoroughly.
4. Monthly: Clean the filter frame and sensor area with a soft brush or cloth.
5. Dry all parts completely before reassembly.

WARNING! Do not use harsh chemicals, abrasives, or submerge the base in water. Never operate with visible mold or scale buildup.

Filter Replacement

The wicking filter should be replaced every 1-3 months depending on water hardness and usage. Use genuine Honeywell replacement filters (Model HF-950).

1. Unplug the humidifier and remove water tank.
2. Remove the old filter from the base frame and discard.
3. Soak new filter in cool water for 15 minutes.
4. Insert the new filter into the frame, ensuring it sits flat and fully contacts the water.
5. Press and hold the FILTER button on the control panel for 3 seconds to reset the filter indicator.
6. Reassemble and refill the unit.

CAUTION! Do not operate with a dirty or clogged filter. This reduces performance and can cause motor strain.

Care & Storage

For seasonal storage or extended non-use:

1. Unplug the unit.
2. Empty and thoroughly clean the water tank and base as described in Section 8.
3. Remove and discard the used filter.
4. Allow all parts to air dry completely for at least 24 hours.
5. Reassemble the unit without a filter.
6. Store in original box or a clean, dry place away from direct sunlight.

CAUTION! Never store the unit with water in the tank or with a damp filter, as this promotes mold growth.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. UL Listed for safety. Copyright © Honeywell International Inc. For support, visit www.honeywellhome.com or contact 1-800-332-1110. This product is covered by a one-year limited warranty. Refer to warranty card for details.

Troubleshooting

Reset: Unplug unit for 5 minutes to reset all electronic controls.

Service: 1-800-332-1110; www.honeywellhome.com