Honeywell HDH-125 Dehumidifier Manual

The Honeywell HDH-125 is a high-capacity 50-pint dehumidifier designed for medium to large rooms up to 3000 sq. ft. It features adjustable humidity control (35%-85%), continuous drain option, auto-defrost, washable filter, full tank alert with auto-shutoff, 24-hour timer, turbo mode for faster moisture removal, and energy-efficient operation. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Dehumidifier unit with built-in humidistat, removable 1.8-gallon water tank, washable air filter, continuous drain hose connection, control panel with digital display, and caster wheels for mobility.

Installation & Placement

Unpack and inspect contents. Place on level, stable surface.

1. Choose location: Place in center of room away from walls/furniture for optimal airflow.
2. Clearance: Maintain at least 12 inches clearance on all sides.
3. Level surface: Ensure unit is level to prevent water leakage.
4. Power connection: Plug into dedicated 115V AC outlet; avoid extension cords.
5. Drain setup: Attach hose for continuous drainage if desired (hose not included).

WARNING! Do not place in temperatures below 41°F (5°C). Ensure proper ventilation around unit.

First-Time Setup

Plug in unit; follow initial setup steps.

1. Install filter: Ensure washable filter is properly seated in front grille.
2. Set humidity: Press HUMIDITY button to set desired level (recommended 45-50%).
3. Select mode: Choose NORMAL or TURBO mode based on moisture level.
4. Timer setup: Use TIMER button to program automatic shutoff if desired.
5. Test operation: Allow unit to run for 15 minutes to ensure proper condensation.

CAUTION! Handle water tank carefully; empty before moving unit.

Specifications

• Model: Honeywell HDH-125
• Capacity: 50 pints per day (at 60°F, 60% RH)
• Coverage: Up to 3000 sq. ft. in moderate humidity
• Water Tank: 1.8 gallons (removable)
• Humidity Control: 35% to 85% adjustable
• Power: 115V, 60Hz, 4.5 amps
• Noise Level: 51 dB on normal mode
• Dimensions: 15.4" W x 11.4" D x 24.3" H
• Weight: 41.8 lbs
• Certifications: Energy Star, ETL listed

Controls and Settings

Control Panel: POWER button, HUMIDITY +/- buttons, MODE (Normal/Turbo), TIMER, FILTER RESET indicator.

Display: Current humidity %, set point, timer status, full tank indicator, filter alert.

Humidity Setting: Adjust in 5% increments. Timer: Program 1-24 hours for automatic shutoff. Mode Selection: NORMAL for quiet operation, TURBO for maximum dehumidification. Filter Reset: Press and hold FILTER button for 3 seconds after cleaning filter.

Operation Modes

Normal Mode: Standard dehumidification with quieter fan operation. Turbo Mode: Maximum moisture removal with higher fan speed.

1. Power on: Press POWER button; display shows current room humidity.
2. Set target: Use HUMIDITY buttons to set desired percentage.
3. Select mode: Press MODE to toggle between NORMAL and TURBO.
4. Monitor: Unit runs until set humidity is reached, then cycles on/off automatically.
5. Timer: Press TIMER to set automatic shutoff (1-24 hours).

Tip: Use TURBO mode initially in very damp conditions, then switch to NORMAL.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

1. Daily: Check and empty water tank as needed.
2. Weekly: Clean air filter under running water; dry completely before reinstalling.
3. Monthly: Wipe exterior with soft, damp cloth; clean water tank with mild detergent.
4. Seasonally: Inspect coils for dust; clean gently with soft brush.
5. Annually: Check drain hose for clogs if using continuous drainage.

WARNING! Always unplug unit before cleaning. Never immerse in water.

Drainage Options

Two drainage methods: Manual (water tank) or Continuous (hose).

Manual Drainage: Unit stops when tank is full (indicator lights). Remove tank, carry to drain, empty, and replace.

Continuous Drainage: Attach 5/8" ID hose (not included) to drain port. Place hose end in floor drain or sink. Unit will run continuously without tank emptying.

Note: For continuous drainage, remove water tank and ensure hose is properly secured without kinks.

Care & Storage

When not in use for extended periods, prepare unit for storage.

1. Unplug unit and empty water tank completely.
2. Clean filter and all surfaces; allow to dry thoroughly.
3. Coil drain: Run unit in TURBO mode for 1 hour in a warm room to dry internal components.
4. Wrap power cord and secure with twist tie.
5. Store in original box in dry, temperature-controlled area.

CAUTION! Do not store with water in tank or lines to prevent mold/mildew.

Regulatory Information

ETL Listed: Meets safety standards. Energy Star: Certified for energy efficiency. FCC Part 15: Class B digital device; complies with interference limits. Copyright © Honeywell International Inc. For support, visit www.honeywellhome.com or contact 1-800-332-1110. This product contains refrigerant R-410A. Dispose of properly according to local regulations.

Troubleshooting

Reset: Unplug for 5 minutes, then restart. Filter Reset: Hold FILTER button 3 seconds after cleaning.

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