Danby Designer DDR451 Dehumidifier Manual

The Danby Designer DDR451 is a 45-pint capacity dehumidifier designed for residential use, featuring an electronic control panel with digital display, 24-hour timer, continuous operation mode, auto-restart function, washable air filter, full bucket alert with auto shut-off, and adjustable humidity settings from 35% to 80%. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Electronic control panel, Digital humidity display, Removable water bucket, Washable air filter, Casters for mobility, Continuous drain option.

Installation & Placement

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

1. Remove all packaging materials and tape from unit.
2. Place dehumidifier on level floor with at least 12 inches clearance on all sides.
3. Ensure proper air circulation: Keep away from walls, furniture, and curtains.
4. For continuous drainage: Attach garden hose to drain outlet (hose not included).
5. Plug into dedicated 115V AC, 60Hz grounded outlet.

WARNING! Do not place in areas below 41°F (5°C). Ensure power outlet is properly grounded.

First-Time Setup

Power on dehumidifier; configure initial settings.

1. Allow unit to stand upright for 24 hours if transported horizontally.
2. Insert water bucket securely until it clicks into place.
3. Plug into power outlet; control panel will illuminate.
4. Set desired humidity: Press HUMIDITY button to select 45-50% for general comfort.
5. Select fan speed: Choose HIGH for maximum dehumidification or LOW for quiet operation.
6. Set timer if needed: Press TIMER to program on/off cycles.

CAUTION! Handle with care when moving; use two people if unit is heavy.

Specifications

• Model: DDR451 Designer Series
• Dehumidification Capacity: 45 pints/day (at 80°F, 60% RH)
• Power Supply: 115V AC, 60Hz, 4.5 Amps
• Water Bucket Capacity: 1.6 gallons (6 liters)
• Operating Temperature: 41°F to 95°F (5°C to 35°C)
• Air Flow: 165 CFM (cubic feet per minute)
• Noise Level: 52 dB on high setting
• Dimensions: 15.4" W × 11.4" D × 24.3" H
• Weight: 41 lbs (18.6 kg)
• Refrigerant: R-410A

Controls and Settings

Control Panel: POWER, HUMIDITY SET, FAN SPEED, TIMER, CONTINUOUS, FILTER RESET.

Display Indicators: Current humidity, Set humidity, Timer status, Full bucket alert, Filter clean reminder, Fan speed.

Humidity Control: Adjust in 5% increments from 35% to 80%. Fan Speed: HIGH for maximum moisture removal, LOW for quiet operation. Timer: Program 1-24 hours for automatic start/stop. Continuous Mode: Operates continuously regardless of humidity level. Filter Reset: Resets filter cleaning reminder after maintenance.

Operating Modes

Normal Mode: Maintains set humidity level. Continuous Mode: Runs constantly for maximum dehumidification.

1. Press POWER to turn unit on.
2. Set desired humidity using HUMIDITY buttons.
3. Select fan speed (HIGH/LOW) based on needs.
4. For continuous operation: Press CONTINUOUS button (ignores humidity setting).
5. To use timer: Press TIMER, set hours using +/- buttons.
6. Monitor water bucket: Empty when FULL indicator lights.

Tip: For energy efficiency, set humidity to 50-55% in living areas.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

1. Unplug unit before any maintenance.
2. Empty water bucket: Remove, empty, and replace securely.
3. Clean air filter every 2 weeks: Remove, wash with warm water, dry completely.
4. Press FILTER RESET after cleaning filter.
5. Clean exterior: Use soft, damp cloth only; no harsh chemicals.
6. Clean condenser coils annually with soft brush (when unit is unplugged).
7. Check drain hose for clogs if using continuous drainage.

WARNING! Never operate without air filter. Do not use water above 104°F (40°C) for cleaning.

Storage Instructions

Proper storage prevents damage during non-use periods.

1. Unplug unit and allow to dry completely.
2. Empty and clean water bucket thoroughly.
3. Clean air filter and let dry completely.
4. Coil power cord neatly and secure with twist tie.
5. Store in upright position in dry, protected area.
6. Cover unit to prevent dust accumulation.
7. Do not store in temperatures below 41°F (5°C).

CAUTION! Store in dry location away from direct sunlight and moisture.

Safety Features

Auto Shut-off: Activates when bucket is full or improperly seated. Tip-over Protection: Automatically stops operation if unit tips over. Overload Protection: Prevents motor damage from electrical surges. Child Lock: Locks control panel to prevent accidental changes (press and hold TIMER for 3 seconds).

Regulatory Information

UL Listed: Meets UL standard 474 for dehumidifiers. Energy Star: Certified for energy efficiency. FCC Part 15: Class B digital device; complies with interference limits. Copyright © Danby Products Inc. For support, visit www.danby.com or contact 1-800-263-2629. This product contains refrigerant that must be disposed of properly by certified technicians.

Troubleshooting

Reset: Unplug for 10 minutes to reset electronic controls.

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