Honeywell TRUDRY DR90 Dehumidifier Manual

The Honeywell TRUDRY DR90 is a high-capacity dehumidifier designed for residential and light commercial use, featuring a 90-pint per day removal capacity (at 80°F/60% RH), auto-defrost function, continuous drain option, adjustable humidistat, washable air filter, full tank alert with auto-shutoff, caster wheels for mobility, and quiet 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. Draining Options 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Control Panel, Water Tank, Air Filter, Casters, Drain Hose Connector, Humidistat, Full Tank Indicator.

Feature	Description
Water Tank	Removable 1.8-gallon capacity with handle and full indicator
Control Panel	Digital display with humidistat, timer, and mode selection
Auto-Defrost	Prevents coil freezing in low temperatures
Continuous Drain	Garden hose connection for automatic water removal
Washable Filter	Captures airborne particles; clean every 2 weeks
Full Tank Alert	Light and audible alarm when tank is full; auto-shutoff
Adjustable Humidistat	Set desired humidity level (35%-85%)
24-Hour Timer	Program on/off cycles for energy savings
Caster Wheels	Easy mobility between rooms
Quiet Operation	Low noise level for residential use

Installation & Placement

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

Positioning: Place at least 12 inches from walls and furniture for proper airflow.
Environment: Operate in temperatures between 41°F (5°C) and 90°F (32°C).
Power: Plug directly into a grounded 120V AC outlet; avoid extension cords.
Drain Setup: Choose between tank collection or continuous drain hose.

WARNING! Do not place in tight enclosures or near heat sources. Ensure unit is upright before operation.

First-Time Setup

Power on dehumidifier; follow initial setup steps.

Insert water tank: Ensure tank is fully seated and empty.
Set humidistat: Press HUMIDITY button to set desired level (start at 50%).
Select mode: Choose between CONTINUOUS, AUTO, or DRY modes.
Set timer (optional): Use TIMER button for scheduled operation.

CAUTION! Allow unit to stand upright for 24 hours if transported horizontally.

Specifications

Model: Honeywell TRUDRY DR90.
Capacity: 90 pints per day (at 80°F/60% RH).
Tank Capacity: 1.8 gallons (removable).
Operating Range: 41°F to 90°F (5°C to 32°C).
Humidistat Range: 35% to 85% relative humidity.
Power: 120V, 60Hz, 7.5A.
Noise Level: ≤50 dB(A).
Dimensions: 15.4" W x 11.2" D x 24.3" H.
Weight: 41 lbs.
Refrigerant: R410a.

Controls and Settings

Access functions via digital control panel. Front Panel: POWER, MODE, HUMIDITY, TIMER, FILTER RESET.

Display Indicators: Current Humidity, Set Point, Full Tank Alert, Filter Clean, Timer, Defrost.

Mode Selection: CONTINUOUS (runs non-stop), AUTO (cycles based on humidistat), DRY (maximum dehumidification). Humidistat: Adjust set point in 5% increments. Timer: Set 1-24 hours for automatic start/stop. Filter Reset: Press after cleaning filter to reset reminder light.

Operation Modes

CONTINUOUS: Runs continuously until manually turned off or tank is full. AUTO: Unit cycles on/off to maintain set humidity level. DRY: Operates at maximum capacity for rapid moisture removal.

Press POWER to turn unit on.
Press MODE to select desired operation.
Adjust HUMIDITY button to set target level.
Monitor display for current room humidity.

Tip: Use AUTO mode for energy-efficient operation in living spaces.

Maintenance & Cleaning

Unplug unit before any maintenance.

Water Tank: Empty regularly; clean with mild detergent monthly.
Air Filter: Remove and rinse every 2 weeks; dry completely before reinstalling.
Exterior: Wipe with soft, damp cloth; do not use abrasive cleaners.
Coils: Vacuum gently every 3 months to remove dust.
Storage: Empty tank, clean filter, and store in dry location if not used for extended period.

WARNING! Never immerse unit in water. Do not operate without filter installed.

Draining Options

Tank Collection: Unit stops when tank is full (indicator lights). Continuous Drain: Connect standard garden hose (¾") to drain port.

For continuous drain: Place unit near floor drain or sink.
Remove tank and attach hose to drain port.
Ensure hose runs downward without kinks.
Unit will drain automatically; full tank alert is disabled.

CAUTION! Ensure proper drainage to prevent water damage.

Regulatory Information

UL Listed; meets U.S. safety standards. Energy Star certified for energy efficiency. Copyright © Honeywell International Inc. For support, visit www.honeywellhome.com or contact 1-800-332-1110. This product contains refrigerant; dispose of according to local regulations.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not turning on	Power issue	Check outlet; ensure plug is secure; test outlet with another device.
Low moisture removal	Room temperature/filter	Operate within 41°F-90°F range; clean air filter; check for obstructions.
Full tank light on (empty tank)	Float mechanism	Remove and reinsert tank; check for obstructions in float chamber.
Unit cycles off frequently	Defrost mode/ambient temp	Auto-defrost activates in cool environments; wait 3-5 minutes for restart.
Unusual noise	Loose parts/placement	Ensure unit is level; check for foreign objects in fan area.
Error code "E1"	Sensor fault	Unplug for 10 minutes, then restart. If persists, contact service.

Reset: Unplug for 10 minutes to reset control board.

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