Danby DDR499H Dehumidifier Manual

The Danby DDR499H is a high-capacity dehumidifier designed for residential use, capable of removing up to 50 pints of moisture per day. It features adjustable humidity control, continuous drainage option, auto-defrost, washable air filter, digital display, 24-hour timer, and energy-saving operation. 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: Digital control panel, water tank, continuous drain hose connection, washable air filter, casters for mobility, and adjustable humidistat.

Feature	Description
Dehumidification Capacity	Up to 50 pints per day (at 80°F, 60% RH)
Humidistat	Adjustable from 35% to 85% relative humidity
Water Tank	Full tank indicator and auto shut-off
Continuous Drain	Hose connection for unattended operation
Auto Defrost	Prevents ice buildup on coils in low temperatures
Digital Display	Shows current humidity, settings, and alerts
Timer	24-hour programmable on/off timer
Air Filter	Washable filter for improved air quality
Mobility	Four casters for easy room-to-room movement
Energy Efficiency	Energy Star certified

Installation

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

Positioning: Place at least 12 inches from walls and furniture for proper airflow.
Water Tank: Ensure tank is properly seated before operation.
Continuous Drain (optional): Connect 5/8" ID hose to drain port and route to floor drain.
Power: Plug into dedicated 115V AC, 60Hz outlet. Do not use extension cord.

WARNING! Ensure unit is upright for at least 24 hours before first use if transported on its side. Keep away from heat sources and flammable materials.

First-Time Setup

Power on dehumidifier; follow initial setup steps.

Set desired humidity: Press HUMIDITY button and use arrows to set target (40-50% recommended).
Select fan speed: Choose HIGH or LOW using FAN button.
Set timer (optional): Use TIMER button to program automatic start/stop times.
Check filter: Ensure air filter is clean and properly installed.

CAUTION! Do not operate in temperatures below 41°F (5°C) unless auto-defrost is active. Ensure water tank is empty before first use.

Specifications

Model: Danby DDR499H
Capacity: 50 pints per day (at 80°F, 60% RH)
Power Supply: 115V AC, 60Hz, 4.5A
Water Tank Capacity: 1.6 gallons (6 liters)
Operating Conditions: 41°F to 95°F (5°C to 35°C)
Noise Level: ≤ 52 dB on high setting
Dimensions: 15.4" W × 11.4" D × 24.3" H
Weight: 41.9 lbs
Refrigerant: R410A
Certifications: Energy Star, ETL Listed

Controls and Settings

Access all functions via digital control panel. Front Panel: POWER, HUMIDITY, FAN, TIMER, MODE.

Display Indicators: Current humidity, target humidity, fan speed, timer settings, tank full alert, filter alert, defrost mode.

Humidity Control: Adjust from 35% to 85% RH. Fan Speed: HIGH for maximum moisture removal, LOW for quiet operation. Timer: Program on/off cycles in 1-hour increments up to 24 hours. Mode: Select CONTINUOUS (runs until turned off) or AUTO (cycles based on humidity setting).

Operation

For optimal performance, close windows and doors in the room being dehumidified.

Power On: Press POWER button; unit will display current room humidity.
Set Target Humidity: Press HUMIDITY, use arrows to set desired level.
Select Mode: Press MODE to choose AUTO or CONTINUOUS operation.
Monitor Water Tank: Empty when FULL indicator lights or unit shuts off.
Continuous Drain: When using hose, ensure proper downward slope to drain.

Tip: For fastest moisture removal, set to CONTINUOUS mode with HIGH fan speed initially, then switch to AUTO mode at desired humidity.

Maintenance

Regular maintenance ensures optimal performance and longevity.

Clean Air Filter: Remove and wash every 2 weeks or when FILTER alert appears.
Empty Water Tank: Empty regularly to prevent overflow and odors.
Clean Exterior: Wipe with damp cloth; never use harsh chemicals.
Check Drain Hose: Ensure continuous drain hose is clear of obstructions.
Off-Season Storage: Empty tank, clean filter, coil dry, store upright in cool, dry place.

WARNING! Always unplug unit before performing any maintenance. Do not attempt to repair refrigerant system; contact authorized service.

Care & Cleaning

Unplug before cleaning. Use mild detergent and soft cloth for exterior. Clean water tank with mild soap solution; rinse thoroughly.

CAUTION! Do not immerse unit in water. Do not use abrasive cleaners. Ensure all parts are completely dry before reassembly.

Regulatory Information

ETL Listed: Complies with UL standard 474. Energy Star: Meets energy efficiency guidelines. This product contains refrigerant that must be recovered by certified technicians. For support, visit www.danby.com or contact 1-800-263-2629.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not running	No power/tank full	Check power outlet; empty water tank; ensure tank is properly seated.
Low moisture removal	Room temperature/filter	Ensure room temp is 41°F-95°F; clean air filter; check humidity setting.
Water leakage	Tank/drain hose	Ensure tank is properly positioned; check drain hose connection for leaks.
Loud noise	Uneven surface/fan	Place on level surface; check for obstructions in fan area.
Frost on coils	Low temperature	Auto-defrost should activate; move to warmer area if below 41°F.
Display not working	Power issue	Unplug for 5 minutes, then reconnect; check circuit breaker.

Reset: Unplug for 5 minutes to reset control system.

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