Danby ADR556RH Dehumidifier Manual

The Danby ADR556RH is a 50-pint dehumidifier designed for residential use, featuring electronic controls, an auto-restart function, continuous drain capability, a built-in humidistat, a full tank alert with auto shut-off, washable air filter, caster wheels for mobility, and a 24-hour timer. Suitable for areas up to 3000 sq. ft. 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. Operation 7. Maintenance 8. Care & Cleaning 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Electronic control panel, removable water bucket, continuous drain hose connection, washable air filter, caster wheels, and power cord.

Feature	Description
Electronic Controls	Digital display with touchpad for easy operation
Humidistat	Automatically maintains desired humidity level
Continuous Drain Option	Connection for 5/8" inner diameter garden hose
Full Tank Alert & Auto Shut-off	Indicator light and automatic power off when bucket is full
Washable Air Filter	Captures airborne particles; can be cleaned
Caster Wheels	Four wheels for easy room-to-room mobility
24-Hour Timer	Program on/off cycles
Auto-Restart	Resumes previous settings after a power interruption
Power Cord Storage	Integrated hooks for cord management
Bucket Handle	Ergonomic grip for easy carrying

Installation

Unpack and inspect contents. Place on a level, stable floor.

Positioning: Place unit at least 6-12 inches from walls and furniture for proper airflow.
Install Drain Hose (Optional): Attach a standard garden hose (5/8" ID) to the continuous drain port for unattended operation.
Check Filter: Ensure the washable air filter is properly installed.
Plug into a dedicated 115V AC, 60Hz outlet.

WARNING! Do not use an extension cord. Ensure the unit is upright before operating.

First-Time Setup

Plug in the dehumidifier; the control panel will illuminate.

Select Mode: Press the MODE button to choose between Continuous, Auto (humidistat control), or Timer mode.
Set Humidity Level: In Auto mode, use the UP/DOWN buttons to set your desired relative humidity (RH%) between 35% and 85%.
Set Timer (Optional): Use the TIMER button to program start/stop times in 1-hour increments.
Bucket Check: Ensure the water bucket is correctly inserted and locked in place.

CAUTION! Operate only within an ambient temperature range of 41°F to 95°F (5°C to 35°C).

Specifications

Model: Danby ADR556RH
Dehumidification Capacity: 50 pints per day (at 80°F, 60% RH)
Recommended Area: Up to 3000 sq. ft.
Power Supply: 115V AC, 60Hz, 4.5 Amps
Water Bucket Capacity: 1.6 gallons (6 liters)
Air Flow: 188 CFM (Cubic Feet per Minute)
Operating Temperature Range: 41°F to 95°F (5°C to 35°C)
Refrigerant: R410A
Product Dimensions (HxWxD): 19.7" x 15.4" x 11.2"
Net Weight: 40.8 lbs

Controls and Settings

Access all functions via the electronic control panel on top of the unit.

Control Panel: POWER button, MODE selector (Continuous/Auto/Timer), HUMIDITY UP/DOWN buttons, TIMER SET button, FILTER ALERT indicator, FULL BUCKET indicator.

Modes: CONTINUOUS (runs constantly), AUTO (cycles based on humidistat setting), TIMER (programmed operation). Settings: Desired humidity level (35%-85%), 24-hour timer, filter reset. Alerts: Visual indicator for full bucket and dirty filter.

Operation

For normal dehumidification in Auto mode.

Press POWER to turn the unit on.
Press MODE to select "Auto".
Use the UP/DOWN buttons to set your target humidity level.
The unit will cycle on and off automatically to maintain the set level.
To use the continuous drain, connect a hose and ensure the bucket is in place (it will not fill).
For bucket operation, empty the bucket when the FULL indicator lights and the unit shuts off.

Tip: Close windows and doors in the room for best efficiency.

Maintenance

Regular maintenance ensures optimal performance and longevity.

Clean Air Filter: Remove and wash the filter with warm, soapy water every two weeks or as needed. Let dry completely before reinstalling. Press and hold the FILTER button for 3 seconds to reset the alert.
Empty Water Bucket: Empty and clean the bucket regularly to prevent mold or mildew. Use mild detergent.
Clean Exterior: Wipe the cabinet with a soft, damp cloth. Do not use harsh chemicals.
End-of-Season Storage: Empty all water, clean the bucket and filter, and coil the power cord. Store in a cool, dry place.

WARNING! Always unplug the unit before performing any maintenance.

Care & Cleaning

Unplug before any cleaning. Use only a soft, damp cloth for the exterior. For the water bucket and filter, use mild detergent and water. Never immerse the unit in water or use abrasive cleaners.

CAUTION! Do not use gasoline, thinners, or other chemicals for cleaning. Ensure all parts are completely dry before reassembly and use.

Regulatory Information

This appliance complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. This product is ETL listed. For support, visit www.danby.com or contact Danby Customer Service at 1-800-263-2629.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit does not start	No power / Full bucket	Ensure unit is plugged in and outlet is live. Check if bucket is full and properly seated.
Reduced moisture removal	Dirty filter / Low temps	Clean the air filter. Ensure room temperature is above 41°F (5°C).
Water leaking	Bucket not seated / Hose leak	Remove and reinsert bucket firmly. Check continuous drain hose connection.
Loud or unusual noise	Uneven surface / Loose parts	Place unit on a level floor. Ensure internal components are secure (consult service).
FILTER light is on	Dirty air filter	Clean the washable air filter and reset the indicator.
Frost on coils	Low ambient temperature	This is normal in cool conditions. Unit may cycle off temporarily to defrost.

Reset: Unplug the unit for 5 minutes, then plug back in to reset electronic controls.

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