Honeywell Humidifier TrueEASE HE150 Manual

The Honeywell Humidifier TrueEASE HE150 is a whole-home bypass humidifier designed for forced-air heating systems. It features an automatic digital humidistat, easy-access water panel, dual fan speeds, and a capacity to humidify homes up to 3,200 square feet. 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 HVAC System 7. Operation 8. Maintenance 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital Humidistat Control, Bypass Damper, Water Panel (Evaporative Pad), Drain Hose, Dual-Speed Fan, Mounting Bracket.

FeatureDescription
Digital HumidistatAutomatic humidity control with LCD display
Bypass DamperRegulates airflow from furnace plenum
Water PanelEvaporative pad for moisture absorption
Drain HoseRemoves excess water to drain
Dual-Speed FanHigh/Low settings for optimal humidity output
Mounting BracketFor secure installation on ductwork
Water Inlet ValveConnects to home water supply (1/4" tubing)
Control KnobManual ON/OFF and fan speed selection
Indicator LightsPower, Fan Speed, and Service alerts
Auto Shut-OffStops operation when desired humidity is reached

Installation

Unpack and inspect contents. Ensure all parts are present.

  1. Choose location: Install on warm air supply duct (recommended by HVAC professional).
  2. Mount bracket: Secure to duct using sheet metal screws.
  3. Connect water supply: Attach 1/4" copper tubing to water inlet valve.
  4. Connect drain hose: Route to suitable drain (floor drain or utility sink).
  5. Wire power: Connect to 120V AC outlet (dedicated circuit recommended).
  6. Install bypass damper: Cut opening in return air duct and attach damper.

WARNING! Installation should be performed by a qualified HVAC technician. Ensure power is OFF during installation.

First-Time Setup

After installation, power on humidifier; follow initial setup steps.

  1. Set humidistat: Adjust to desired humidity level (recommended 35-45% for winter).
  2. Select fan speed: Choose HIGH for maximum output or LOW for quiet operation.
  3. Check water flow: Ensure water is flowing to panel and draining properly.
  4. Test operation: Run furnace to activate humidifier; verify moisture output.

CAUTION! Do not set humidity too high to prevent condensation on windows.

Specifications

Controls and Settings

Access controls via digital humidistat panel. Front Panel: Power Button, Fan Speed (High/Low), Humidity Setpoint (+/-), Display.

Humidistat Functions: Set desired humidity (20-60%), view current humidity, outdoor temperature display, fan speed indicator, service reminder.

Operation Modes: Automatic (adjusts based on outdoor temp), Manual (constant output). Settings: Service interval reminder (default 1 season), Fahrenheit/Celsius display, backlight timeout.

Connecting to HVAC System

Bypass Installation: Requires connection to warm air supply and return air ducts.

  1. Turn off furnace power and water supply.
  2. Cut opening in supply duct (for humidifier) and return duct (for bypass damper).
  3. Mount humidifier on supply duct using provided bracket.
  4. Connect bypass duct between humidifier and return air duct.
  5. Connect water line and drain hose as specified.
  6. Restore power and water; test system.

Tip: Ensure proper slope on drain hose to prevent water accumulation.

Operation

Automatic operation with digital humidistat.

  1. Power ON: Press power button; humidistat will display current humidity.
  2. Set humidity: Use +/- buttons to set desired level (35-45% typical).
  3. Select fan speed: Choose HIGH for faster humidification or LOW for quiet.
  4. Monitor: Display shows current humidity, setpoint, and outdoor temperature.
  5. Auto mode: Humidistat adjusts output based on outdoor temperature to prevent window condensation.
  6. Manual override: Press and hold SET for 3 seconds to switch to manual constant output.

WARNING! Do not operate without water panel installed. Ensure drain is clear.

Maintenance

Regular maintenance ensures optimal performance and longevity.

Care & Cleaning

Turn off power and water supply before cleaning.

  1. Remove water panel: Slide out old panel; dispose properly.
  2. Clean interior: Use mild detergent and soft cloth; rinse thoroughly.
  3. Clean drain pan: Remove mineral deposits with vinegar solution.
  4. Inspect drain hose: Ensure no kinks or clogs.
  5. Install new water panel: Slide in until securely seated.

CAUTION! Never use harsh chemicals or abrasives. Do not operate without water panel.

Regulatory Information

UL Listed. CSA Certified. FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Honeywell International Inc. For support, visit www.honeywellhome.com or contact 1-800-468-1502. Five-year limited warranty on humidifier; one-year warranty on water panel.

Troubleshooting

SymptomPossible CauseCorrective Action
No humidity outputPower/water supplyCheck power connection; ensure water valve is open; verify furnace is running.
Water leakingDrain clog/connectionsClear drain hose; check water line connections; ensure proper installation slope.
Low humidityDirty water panelReplace water panel; check fan operation; verify humidistat setting.
Fan not runningPower/obstructionCheck power supply; ensure fan blades rotate freely; reset if equipped.
Display blankPower issueVerify 120V power; check wiring connections; replace fuse if applicable.
Mineral buildupHard waterClean with vinegar solution; consider water softener; replace panel more frequently.

Reset: Turn power OFF for 30 seconds, then ON to reset control board.

Service: 1-800-468-1502; www.honeywellhome.com

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