Waykar AFD2.5D
Waykar 158 Pints Crawl Space Dehumidifier User Manual
Model: AFD2.5D
Brand: Waykar
1. Introduction
This user manual provides comprehensive instructions for the installation, operation, and maintenance of your Waykar 158 Pints Crawl Space Dehumidifier. Designed for effective moisture removal in large areas up to 6,500 sq. ft., this unit is ideal for commercial spaces, industrial environments, basements, and crawl spaces. Please read this manual thoroughly before operating the dehumidifier to ensure safe and efficient use.
2. Safety Information
Your safety and the safety of others are very important. We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages.
General Safety Precautions:
- Always connect to a grounded power outlet.
- Do not operate the unit with a damaged power cord or plug.
- Do not block air inlets or outlets.
- Ensure the unit is placed on a stable, level surface.
- Keep children and pets away from the unit during operation.
- Unplug the dehumidifier before cleaning or performing any maintenance.
- Do not use the unit in areas where flammable gases or liquids are present.
3. Product Overview
The Waykar 158 Pints Dehumidifier is designed for high-capacity moisture removal, featuring a robust construction and advanced controls for optimal performance in challenging environments.
Key Features:
- 158 Pints/Day Capacity: Removes significant moisture from areas up to 6,500 sq. ft.
- Remote Control Panel: Allows for convenient humidity adjustment from a distance (up to 32.8 feet).
- Dual Duct Design: Separate ducted inlets and outlets for improved airflow and heat management, suitable for HVAC systems.
- Precise Humidity Sensor: 16.4ft sensor for accurate humidity detection and control.
- Automatic Defrost: Prevents ice buildup on coils, ensuring continuous operation.
- Continuous Drainage: Effortless moisture removal via the included drain hose.
- Flexible Installation: Features like adjustable feet, sturdy hooks, and handles for various setup scenarios.
Product Components:

Figure 3.1: Front view of the Waykar 158 Pints Dehumidifier with its remote control unit.

Figure 3.2: Exploded view illustrating the internal components of the dehumidifier, including the compressor, fan, coils, and filters.
4. Setup and Installation
Proper setup is crucial for the optimal performance and longevity of your dehumidifier. Follow these steps carefully.
4.1 Placement:
- Place the dehumidifier in a location where air can circulate freely around it.
- Ensure the unit is on a stable, level surface. Adjustable feet are provided to reduce noise and vibration.
- Consider the application environment: crawl spaces, basements, garages, or warehouses.

Figure 4.1: Illustration of typical installation locations such as sealed attics, basements, garages, and crawl spaces, demonstrating the unit's versatility.

Figure 4.2: Examples of the dehumidifier's application in various settings, including crawl spaces, basements, commercial buildings, and industrial environments.
4.2 Drainage Setup:
The unit is designed for continuous drainage. Connect the included 9.84ft drain hose to the drainage outlet on the unit. Position the other end of the hose over a suitable floor drain or into a larger container.
4.3 Remote Control and Sensor Installation:
The dehumidifier comes with a remote control panel and a humidity sensor for flexible monitoring and control.
- Connect the remote control panel (with 32.8 ft wire) to the designated port on the dehumidifier.
- Connect the humidity sensor (with 16.4 ft wire) to its designated port. Ensure the humidity sensor is installed for all automated functions to work properly.
- Mount the remote control panel in a convenient location, such as a main living area or garage, to easily monitor and adjust settings without needing to access the dehumidifier directly.
- Position the humidity sensor in the area where you want to measure and control humidity, away from direct airflow of the dehumidifier.

Figure 4.3: Diagram illustrating the connection and placement of the wired remote control panel and the humidity sensor for optimal monitoring.

Figure 4.4: The dehumidifier with connected air inlet and air outlet ducts, demonstrating its dual-duct design for efficient air circulation.

Figure 4.5: The dehumidifier showcasing its optional hanging installation method, the washable air filter, and the easy mobility handles for transport.
5. Operating Instructions
Operating your Waykar dehumidifier is straightforward with its intuitive control panel.
5.1 Control Panel Overview:

Figure 5.1: Detailed diagram of the control panel, indicating the function of each button and display area.
- 1. Timer Display: Shows remaining timer hours.
- 2. TEMP/DTC Display: Displays current temperature or diagnostic codes.
- 3. Power Button: Turns the unit ON/OFF.
- 4. Setting Button: Confirms %RH, Timer, or Cleaning settings.
- 5. Up Button: Increases parameter values.
- 6. Down Button: Decreases parameter values.
- 7. Timer Button: Activates/deactivates the 24-hour timer.
- 8. Cleaning Button: Toggles the cleaning function ON/OFF.
5.2 Initial Operation:
- Plug the power cord into a grounded electrical outlet.
- Press the Power button to turn on the dehumidifier.
- The display will show the current humidity level detected by the external sensor.
5.3 Setting Desired Humidity:
- Press the Setting button. The humidity percentage will flash.
- Use the Up or Down buttons to adjust the desired humidity level (from 10% to 98% RH).
- Press the Setting button again to confirm your selection. The unit will operate until the desired humidity level is reached.
5.4 Timer Function:
- Press the Timer button. The timer display will flash.
- Use the Up or Down buttons to set the desired operating time (up to 24 hours).
- Press the Timer button again to confirm. The unit will turn ON/OFF after the set time.
6. Maintenance
Regular maintenance ensures the efficiency and extends the lifespan of your dehumidifier.
6.1 Cleaning the Air Filter:
The air filter should be cleaned regularly, typically every two weeks, or more often depending on air quality.
- Unplug the dehumidifier from the power outlet.
- Locate and remove the detachable filter screen.
- Clean the filter using a vacuum cleaner or wash it gently under running water.
- Allow the filter to air dry completely before reinserting it into the unit.
- Press the Cleaning button on the control panel to reset the filter cleaning reminder (if applicable).

Figure 6.1: The cleaning icon on the control panel, indicating the filter cleaning function.
6.2 Automatic Defrost:
The unit features an automatic defrost function that activates when frost builds up on the evaporator coils. This ensures efficient operation in low-temperature environments. During defrost mode, the compressor will cycle off, and the fan will continue to run to melt the frost. The unit will resume normal dehumidification once defrosting is complete.

Figure 6.2: Visual representation highlighting the benefit of automatic defrost over manual defrost for continuous operation.
7. Troubleshooting
Before contacting customer support, please refer to the following troubleshooting guide for common issues.
| Problem | Possible Cause | Solution |
|---|---|---|
| Dehumidifier does not turn on. | No power, power cord not plugged in, circuit breaker tripped. | Ensure unit is plugged in. Check power outlet and circuit breaker. |
| Unit not dehumidifying effectively. | Air filter clogged, room temperature too low, humidity setting too high, unit size too small for area. | Clean the air filter. Ensure room temperature is above 41°F (5°C). Lower the humidity setting. Consider if the unit capacity matches the room size. |
| "E2" error code displayed. | Humidity sensor issue. | Ensure the humidity sensor is properly connected. If the issue persists, contact customer support. |
| Water leakage. | Drain hose kinked or blocked, drain hose not properly connected. | Check the drain hose for kinks or blockages. Ensure it is securely connected to the unit and positioned correctly for drainage. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Waykar |
| Model Name | AFD2.5D |
| Capacity | 158 Pints/Day (95°F, 90% RH) |
| Floor Area Coverage | Up to 6,500 sq. ft. |
| Humidity Control Range | 10% to 98% RH |
| Air Flow Capacity | 205.9 Cubic Feet Per Minute (CFM) |
| Product Dimensions (D x W x H) | 17.57"D x 24.8"W x 14.32"H |
| Item Weight | 75.84 Pounds |
| Material | Metal |
| Special Features | Automatic Defrost, Overload Protection, Independent control panel and sensors, Detachable filter screen, With lifting hook |
| Included Components | Dehumidifier x 1, Removable Controller x 1, Humidity Sensor x 1, 9.84 Feet Drain Hose x 1, Power Cord x 1, User Manual x 1 |
| UPC | 761989744599 |

Figure 8.1: Detailed product dimensions for planning installation space.
9. Warranty and Support
Waykar is committed to providing high-quality products and excellent customer service.
Warranty Information:
- 1-Year Comprehensive Warranty: Covers the entire unit.
- 2-Year Extended Warranty: Available upon product registration (as stated on the last page of the manual, though not provided here).
- 3-Year Warranty: For parts and labor on the refrigeration system (compressor, condenser, evaporator) only.
- 5-Year Warranty: For parts on the refrigeration system only (excluding labor).
Please retain your proof of purchase for warranty claims.
Customer Support:
For any questions, technical assistance, or warranty claims, please contact Waykar customer support. You can reach us by phone, email, or online chat. Refer to the official Waykar website or the original packaging for specific contact details.
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