Honeywell Humidifier HE120A Manual

The Honeywell Humidifier HE120A is a high-capacity evaporative humidifier designed for large rooms up to 1200 sq. ft. It features a 1.5-gallon tank, three fan speeds, an adjustable humidistat, automatic shut-off, a refill indicator, and a wick filter system. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Power 7. Operation 8. Maintenance 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Water tank, wick filter, fan assembly, control panel, humidistat, power cord.

FeatureDescription
Water Tank1.5-gallon capacity with carry handle
Wick FilterEvaporative filter for moisture release
Fan SpeedsThree settings (Low, Medium, High)
Adjustable HumidistatSet desired humidity level
Automatic Shut-OffTurns off when tank is empty
Refill IndicatorLight alerts when tank needs refilling
Control PanelButtons for power, fan speed, humidistat
Carry HandleFor easy tank transport
Power Cord6-foot cord with plug
Filter Change IndicatorReminds when to replace wick

Installation

Unpack and inspect contents. Place on level, stable surface away from walls and furniture.

  1. Remove tank: Lift tank from base unit.
  2. Install wick filter: Insert filter into slot in base, ensuring it sits properly.
  3. Fill tank: Turn tank upside down, remove cap, fill with clean water, replace cap.
  4. Replace tank: Place tank back on base, aligning properly.
  5. Position unit: Place on floor or sturdy surface in center of room for best airflow.

WARNING! Do not place on carpets or near heat sources. Ensure unit is upright before filling.

First-Time Setup

After installation, prepare for operation.

  1. Plug in: Connect power cord to grounded outlet.
  2. Power on: Press POWER button; unit will beep.
  3. Set fan speed: Press FAN button to select Low, Medium, or High.
  4. Set humidity: Turn HUMIDISTAT knob to desired level (30-60% recommended).
  5. Allow operation: Unit will begin humidifying; tank may take a few minutes to saturate filter.

CAUTION! Use only clean, cool water. Do not add additives or essential oils.

Specifications

Controls and Settings

Control Panel: POWER button, FAN button, HUMIDISTAT knob, indicator lights.

Power: Press to turn unit on/off. Fan: Cycles through Low, Medium, High speeds. Humidistat: Turn knob to set target humidity (30-60%). Indicators: Power (green), Refill (red), Filter Change (yellow).

Operation Modes: Continuous run (fan on) or automatic (humidistat controls fan based on room humidity).

Connecting to Power

Use only grounded 120V AC outlet.

  1. Ensure unit is off and tank is filled.
  2. Plug power cord into outlet.
  3. Press POWER button to start.

Tip: Use a surge protector for added safety. Do not use extension cords.

Operation

For daily use.

  1. Fill tank daily: Remove tank, fill with clean water, replace.
  2. Adjust settings: Use FAN and HUMIDISTAT as needed.
  3. Monitor indicators: Refill light means tank is empty; Filter light means replace wick.
  4. Automatic shut-off: Unit turns off when tank is empty; refill to restart.
  5. Night mode: Set fan to Low for quiet operation.

WARNING! Do not operate without water or with damaged filter. Unplug before maintenance.

Maintenance

Regular maintenance ensures performance and longevity.

Note: Use only genuine Honeywell replacement filters (Part # HE120A-FILTER).

Care & Cleaning

Unplug before cleaning. Use mild soap and water; no harsh chemicals.

  1. Tank: Remove, empty, clean with soapy water, rinse, dry.
  2. Base: Wipe with damp cloth; do not submerge.
  3. Filter: Replace when discolored or mineralized; do not wash.
  4. Exterior: Dry cloth for control panel and housing.

CAUTION! Do not use bleach, vinegar, or abrasive cleaners. Ensure all parts are dry before reassembly.

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.honeywellhumidifiers.com or contact 1-800-332-1110.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not turning onNo powerCheck outlet; ensure plug is secure; press POWER button.
No mist/outputEmpty tank, clogged filterRefill tank; replace wick filter; ensure tank is seated.
Red refill light onTank emptyRefill tank with water.
Yellow filter light onFilter needs replacementReplace wick filter with new one.
Unusual noiseFan obstruction, loose partsCheck for debris; ensure filter is installed correctly.
Water leakageOverfilled tank, damaged sealDo not overfill; check tank cap and seals; place on level surface.
Humidity too low/highIncorrect humidistat settingAdjust humidistat; ensure room size matches coverage.

Reset: Unplug for 30 seconds, then restart.

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

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