Danby DDR45B3WDB Dehumidifier Manual

The Danby DDR45B3WDB is a 45-pint dehumidifier designed for residential use in spaces up to 3000 sq. ft. It features electronic controls, a continuous drain option, auto-restart, a 24-hour timer, washable filter, and a full-bucket alert with auto shut-off. 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. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Electronic control panel, removable water bucket, washable air filter, continuous drain hose connection, casters for mobility.

Feature	Description
Capacity	45 pints per day (at 80°F, 60% RH)
Control Panel	Digital display with touch buttons
Water Bucket	Removable with handle and full indicator
Continuous Drain	Hose connection for unattended operation
Air Filter	Washable mesh filter
Timer	24-hour programmable on/off timer
Auto Restart	Resumes previous settings after power interruption
Auto Shut-Off	Stops operation when bucket is full
Mobility	Four swivel casters for easy movement
Humidity Control	Adjustable from 35% to 80% relative humidity

Installation & Placement

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

Clearance: Allow at least 12 inches of clearance on all sides for proper airflow.
Positioning: Place in the center of the room or area with high humidity.
Temperature Range: Operate between 41°F (5°C) and 95°F (35°C).
Power Connection: Plug directly into a grounded 115V AC outlet.

WARNING! Do not use extension cords. Ensure the unit is upright for at least 24 hours before first use if transported on its side.

First-Time Setup

Power on the dehumidifier; configure initial settings.

Install the filter: Ensure the washable filter is correctly seated in the rear grille.
Set humidity level: Press the HUMIDITY button to select desired level (recommended 45-50%).
Select fan speed: Choose between HIGH or LOW fan setting.
Set timer (optional): Program the 24-hour timer for automatic operation.
Check drain option: Decide between bucket collection or continuous hose drainage.

CAUTION! Handle the water bucket with care to avoid spills. Ensure the bucket is properly inserted.

Specifications

Model: DDR45B3WDB
Dehumidification Capacity: 45 pints/day @ 80°F, 60% RH
Recommended Room Size: Up to 3000 sq. ft.
Power Supply: 115V, 60Hz
Amperage: 4.5A
Water Bucket Capacity: 1.6 gallons (6 liters)
Noise Level: ≤ 51 dB
Refrigerant: R410A
Dimensions (HxWxD): 23.6" x 15.4" x 11.8"
Weight: 41 lbs
Operating Temperature: 41°F to 95°F (5°C to 35°C)

Controls and Settings

Access all functions via the electronic control panel. Front Panel: POWER, MODE, HUMIDITY SET, FAN SPEED, TIMER, FILTER RESET.

Display Indicators: Current humidity, set humidity, fan speed, timer status, filter alert, full bucket alert.

Humidity Control: Set target humidity from 35% to 80% in 5% increments. Fan Speed: HIGH for maximum dehumidification, LOW for quiet operation. Mode: CONTINUOUS (runs until turned off) or AUTO (cycles based on set humidity). Timer: Program on/off times in 1-hour increments up to 24 hours. Filter Reset: Press after cleaning the air filter to reset the maintenance reminder.

Operation Modes

AUTO Mode: Unit runs until set humidity is reached, then cycles on/off to maintain it. CONTINUOUS Mode: Runs continuously regardless of humidity level. Laundry Mode: High-speed dehumidification for drying laundry indoors (fan on HIGH).

Press POWER to turn on.
Press MODE to select AUTO, CONTINUOUS, or LAUNDRY.
Press HUMIDITY to adjust target level.
Press FAN to select HIGH or LOW speed.
Monitor water level; empty bucket when FULL light illuminates.

Tip: Use CONTINUOUS mode in very damp conditions like basements after flooding.

Maintenance & Cleaning

Unplug unit before any maintenance.

Water Bucket: Empty regularly. Clean with mild detergent monthly.
Air Filter: Clean every 2 weeks or as needed. Rinse under warm water, air dry completely before reinstalling.
Exterior: Wipe with a soft, damp cloth. Do not use abrasive cleaners.
Grille and Coils: Vacuum dust from rear grille and coils every 3 months.
End-of-Season Storage: Empty and clean bucket, clean filter, coil cover on, store upright in a dry place.

CAUTION! Never operate without the filter. Do not immerse the unit in water.

Drainage Options

Bucket Drainage: Standard method. Empty when FULL light comes on. Continuous Drainage: For unattended operation.

Locate the drain outlet on the back of the unit.
Remove the drain plug.
Connect a standard 5/8" ID garden hose (not included).
Route hose to a floor drain or sink. Ensure hose is downhill without kinks.
Unit will now drain continuously; bucket full alert is disabled.

Note: The bucket must remain in place even when using continuous drain.

Regulatory Information

This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that it does not cause harmful interference. This product contains refrigerants; disposal must comply with local regulations. For service or warranty information, contact Danby at 1-800-263-2629 or visit www.danby.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit does not start	No power, full bucket	Check outlet; ensure bucket is empty and properly inserted.
Little or no water collection	Low humidity, cold room	Room may already be dry; ensure room temp is above 41°F.
Unit runs but does not dehumidify	Dirty filter, blocked airflow	Clean air filter; ensure clearance around unit.
Water leakage	Bucket not seated, hose leak	Remove and reinsert bucket; check hose connections.
Loud or unusual noise	Loose parts, fan obstruction	Ensure unit is level; check for objects near fan.
FILTER light is on	Dirty air filter	Clean filter and press FILTER RESET button.

Reset: Unplug for 5 minutes to reset electronic controls.

Service: 1-800-263-2629; www.danby.com