Danby DDR45B1GP Dehumidifier Manual

The Danby DDR45B1GP is a 45-pint capacity dehumidifier designed for medium to large rooms, featuring automatic humidity control, continuous drainage option, digital controls with LED display, auto-restart after power interruption, washable air filter, and energy-efficient 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 Modes 7. Maintenance 8. Drainage Options 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital control panel, LED display, Water tank with full indicator, Continuous drainage port, Washable air filter, Casters for mobility.

Feature	Description
Capacity	45 pints per day (at 60°F, 60% RH)
Humidity Control	Automatic with adjustable set point (35%-85%)
Digital Controls	LED display with touch buttons
Water Tank	Removable 1.8-gallon capacity with full indicator
Continuous Drainage	Garden hose adapter for permanent drainage
Air Filter	Washable mesh filter for dust and particles
Auto Restart	Resumes previous settings after power outage
Timer Function	24-hour on/off timer
Defrost Function	Automatic in low temperature conditions
Mobility	Four casters for easy movement

Installation

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

Positioning: Place at least 12 inches from walls and furniture for proper airflow.
Check filter: Ensure air filter is properly installed.
Connect drainage (optional): Attach garden hose to continuous drain port if using permanent drainage.
Power connection: Plug into dedicated 115V AC outlet.

WARNING! Do not place near heat sources or in direct sunlight. Ensure proper ventilation around unit.

First-Time Setup

Plug in unit; follow initial setup procedure.

Set humidity level: Press HUMIDITY button to set desired level (recommended 45-50%).
Select fan speed: Choose HIGH or LOW fan setting.
Set timer (optional): Program 24-hour on/off timer if needed.
Check operation: Unit should begin dehumidifying; compressor may take 3 minutes to start.

CAUTION! Allow unit to sit upright for 24 hours if transported on its side.

Specifications

Model: DDR45B1GP
Capacity: 45 pints/day (at 60°F, 60% RH)
Water Tank: 1.8 gallons (removable)
Power Supply: 115V, 60Hz, 4.5A
Operating Conditions: 41°F to 95°F
Air Flow: 165 CFM (cubic feet per minute)
Noise Level: 51 dB
Dimensions: 15.4" W × 11.4" D × 24.3" H
Weight: 41.9 lbs
Refrigerant: R410A

Controls and Settings

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

LED Display: Current humidity, Set point, Timer, Filter indicator, Full tank indicator.

Humidity Control: Adjust between 35% and 85% RH. Fan Speed: HIGH for maximum dehumidification, LOW for quiet operation. Timer: 24-hour programmable on/off timer. Filter Reset: Press after cleaning filter to reset indicator. Auto Defrost: Activates automatically when coil temperature drops below 41°F.

Operation Modes

Normal Mode: Set desired humidity level; unit cycles automatically. Continuous Mode: Set to lowest humidity setting for maximum dehumidification. Timer Mode: Program unit to turn on/off at specific times.

Press POWER to turn unit on.
Set humidity level using HUMIDITY buttons.
Select fan speed (HIGH/LOW).
Monitor water tank; empty when full indicator lights.

Tip: Close windows and doors for optimal performance.

Maintenance

Regular maintenance ensures optimal performance.

Clean air filter every 2 weeks: Remove, wash with mild detergent, dry completely.
Empty water tank regularly: Lift and pull tank to remove; empty and replace.
Clean exterior: Use soft, damp cloth; never use abrasive cleaners.
End-of-season storage: Empty tank, clean filter, coil dry for 24 hours, store upright.

WARNING! Unplug unit before any maintenance. Do not operate without filter.

Drainage Options

Two drainage methods: Manual (water tank) or Continuous (garden hose).

Continuous Drainage: Remove tank, attach standard garden hose (not included) to drain port, route hose to floor drain or suitable outlet. Ensure hose has downward slope without kinks.

Care & Cleaning

Unplug before cleaning. Clean exterior with soft, damp cloth. Clean air filter regularly. Clean water tank with mild detergent; rinse thoroughly.

CAUTION! Never immerse unit in water. Do not use chemical cleaners on coils.

Regulatory Information

UL Listed. CSA Certified. Energy Star qualified. This product contains refrigerant that must be recovered by certified technician. For support, visit www.danby.com or contact 1-800-263-2629.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not starting	Power/water tank	Check power connection; ensure tank is properly seated.
Low dehumidification	Filter/temperature	Clean air filter; ensure room temperature above 41°F.
Water leaking	Tank/hose connection	Ensure tank properly inserted; check hose for kinks.
Loud noise	Uneven surface	Place on level floor; check for loose parts.
Ice on coils	Low temperature	Auto defrost should activate; move to warmer area.
Full indicator on (empty tank)	Float stuck	Remove tank, check float moves freely.

Reset: Unplug for 5 minutes, then restart.

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