Honeywell TrueDRY DR120 Dehumidifier Manual

The Honeywell TrueDRY DR120 is a high-capacity dehumidifier designed for large rooms and basements, removing up to 120 pints of moisture per day. It features digital humidity control, continuous drain option, auto-defrost, washable filter, full tank alert with auto-shutoff, caster wheels for mobility, and energy-efficient operation. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Placement 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Operation Modes 7. Maintenance & Cleaning 8. Drainage Options 9. Safety Features 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital control panel, Washable air filter, Water collection tank, Continuous drain port, Caster wheels, Handle, Air intake and outlet grilles.

FeatureDescription
Digital Control PanelLED display for humidity level, settings, and alerts
HumidistatAdjustable from 35% to 85% relative humidity
Water TankRemovable bucket with full-tank indicator and auto-shutoff
Continuous Drain PortFor hose connection (5/8" inner diameter) for unattended operation
Washable FilterCaptures dust and particles; clean every 2-4 weeks
Auto-DefrostPrevents coil freezing in low temperatures
Caster WheelsFour wheels for easy mobility
Timer FunctionProgrammable 1-24 hour on/off timer
Turbo ModeHigh-speed dehumidification for maximum moisture removal
Energy Saver ModeFan runs only when needed to reduce energy consumption

Installation & Placement

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

  1. Positioning: Place at least 12 inches from walls and furniture for proper airflow.
  2. Environment: Operate in temperatures between 41°F (5°C) and 95°F (35°C).
  3. Power: Plug directly into a grounded 120V AC, 60Hz outlet. Do not use extension cords.
  4. Drainage: Decide between bucket collection or continuous drain hose setup.

WARNING! Do not place in tight enclosures or block air vents. Ensure unit is upright before operation.

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 level: Press HUMIDITY button to set desired RH (start at 50%).
  3. Select mode: Choose NORMAL, TURBO, or ENERGY SAVER based on needs.
  4. Test operation: Unit will start; check that fan runs and display lights up.
  5. Set timer (optional): Use TIMER button to program automatic shutoff.

CAUTION! Allow unit to stand upright for 24 hours if transported on its side.

Specifications

Controls and Settings

Access all functions via digital control panel on top of unit.

Control Panel: POWER, HUMIDITY (+/-), MODE (Normal/Turbo/Energy Saver), TIMER, FILTER RESET, TANK FULL indicator.

Humidity Control: Set target humidity from 35% to 85% in 5% increments. Modes: NORMAL (standard operation), TURBO (maximum moisture removal), ENERGY SAVER (fan cycles with compressor). Timer: Programmable 1-24 hours for automatic start/stop. Alerts: TANK FULL light and audible beep when bucket needs emptying; FILTER light indicates when to clean filter.

Operation Modes

Normal Mode: Standard dehumidification with continuous fan operation. Turbo Mode: High fan speed for fastest moisture removal. Energy Saver: Fan runs only when compressor is active to save energy.

  1. Select mode with MODE button.
  2. Adjust humidity level as needed.
  3. Monitor water collection in tank or drain hose.
  4. Use timer for scheduled operation.

Tip: Close windows and doors in room for most efficient operation.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Clean filter: Remove, wash with warm water and mild detergent every 2-4 weeks. Dry completely before reinstalling.
  2. Empty water tank: When TANK FULL light illuminates, remove bucket, empty, and replace securely.
  3. Clean exterior: Wipe with soft, damp cloth. Do not use harsh chemicals.
  4. Clean coils: Use soft brush attachment on vacuum to remove dust from rear coils annually.
  5. Off-season storage: Empty tank, clean unit, coil and store in dry place with cord wrapped neatly.

WARNING! Always unplug unit before cleaning or maintenance.

Drainage Options

Bucket Collection: Standard method; empty when full (16 pint capacity). Continuous Drain: Connect 5/8" inner diameter hose to drain port for unattended operation.

  1. For hose drainage: Remove bucket, attach hose to drain port, route to floor drain or sink.
  2. Ensure hose has downward slope without kinks.
  3. Unit will operate continuously until turned off or desired humidity reached.

Note: Auto-shutoff is disabled in continuous drain mode.

Safety Features

Auto-Shutoff: Stops operation when tank is full. Auto-Defrost: Prevents ice buildup on coils in cold environments. Tip-Over Protection: Unit shuts off if knocked over. Overload Protection: Internal circuit breaker protects motor.

Regulatory Information

UL Listed: Meets safety standards for household use. Energy Star: Certified for energy efficiency. FCC Part 15: Complies with interference limits. For support, visit www.honeywellhome.com or contact 1-800-474-2147. Copyright © Honeywell International Inc.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit not turning onNo powerCheck outlet; ensure plug is secure; test outlet with another device.
Not removing moistureRoom conditions/filterEnsure room temp 41-95°F; check that filter is clean; doors/windows closed.
Tank full light on (empty tank)Float stuckRemove tank, check float moves freely; clean tank and float mechanism.
Unit cycles on/off frequentlyLow load/auto-defrostNormal in dry conditions; if in cold room, auto-defrost may be activating.
Loud noise or vibrationPlacement/foreign objectEnsure unit is level; check for objects near fan; tighten any loose parts.
Error code on displaySensor/system issueUnplug for 5 minutes, then restart. If persists, contact service.

Reset: Unplug for 5 minutes to reset control system.

Service: 1-800-474-2147; www.honeywellhome.com

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