1. Introduction
This manual provides essential information for the safe and efficient operation of your DOEL Mini Swimming Pool Heat Pump, Model YC-005TB1-I. This unit is designed to provide both heating and cooling for above-ground pools up to 2600 gallons, ensuring comfortable water temperatures year-round. Please read this manual thoroughly before installation and use, and retain it for future reference.
The DOEL Mini Swimming Pool Heat Pump features a 17100 BTU output, a durable titanium heat exchanger, and operates on a standard 115V 60Hz power supply. Its design focuses on energy efficiency and quiet operation, making it an ideal solution for maintaining your pool's temperature.
2. Safety Information
Important Safety Instructions:
- Always disconnect power before performing any maintenance or service.
- Ensure the unit is installed on a stable, level surface with adequate ventilation.
- Do not operate the unit if the power cord or plug is damaged.
- Keep children and pets away from the unit during operation.
- This appliance must be properly grounded.
- Do not block the air intake or exhaust vents.
- Consult a qualified electrician for any electrical installation questions.
3. Package Contents
Verify that all items listed below are included in your package. If any parts are missing or damaged, please contact customer support.
- DOEL Mini Swimming Pool Heat Pump Unit
- User Manual
- 1.25" & 1.5" Adapters (x2)
- Adapter Conversion Kit (x1)

4. Setup and Installation
Follow these steps for proper installation of your heat pump:
- Placement: Position the heat pump on a firm, level surface near your pool. Ensure there is at least 20 inches of clear space around the unit for proper airflow.
- Water Connections: Connect the heat pump to your pool's filtration system. Water flows from the pool pump, through the heat pump, and back to the pool. Use the provided adapters to match your pool hose sizes (1.25" or 1.5"). Ensure all connections are secure and leak-free.
- Electrical Connection: The unit operates on 115V/60Hz. Plug the heat pump directly into a grounded electrical outlet. Do not use extension cords. The integrated GFCI plug provides added safety.


5. Operating Instructions
The DOEL Mini Swimming Pool Heat Pump features an intelligent control panel for easy temperature adjustment and mode selection.
5.1 Control Panel Overview

- Up Button (▲): Increases the desired temperature setting.
- Down Button (▼): Decreases the desired temperature setting.
- On/Off Button (ϟ): Powers the unit on or off.
- Mode Button (M): Switches between heating and cooling modes.
5.2 Setting Temperature
Press the On/Off button to power on the unit. Use the Up (▲) and Down (▼) buttons to set your desired pool water temperature. The temperature range is typically 59°F to 104°F (15°C to 40°C).
5.3 Selecting Operating Mode
Press the Mode (M) button to toggle between heating and cooling functions. The unit will automatically adjust its operation to reach and maintain the set temperature in the selected mode.


5.4 Timer Function
The unit includes a timer function, typically allowing for 0-720 minute (12-hour) settings. Refer to the control panel interface for specific timer programming instructions to schedule operation times.

6. Maintenance
Regular maintenance ensures optimal performance and longevity of your heat pump.
- Cleaning: Periodically clean the exterior of the unit with a soft, damp cloth. Ensure the air intake and exhaust vents are free from debris, leaves, and other obstructions.
- Water Quality: Maintain proper pool water chemistry to prevent corrosion and scale buildup within the heat exchanger.
- Winterization: If the unit will not be used during freezing temperatures, drain all water from the heat pump and store it in a dry, protected area.
- Inspection: Regularly inspect the power cord and water connections for any signs of wear or damage.
7. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power, GFCI tripped, faulty power cord | Check power outlet, reset GFCI, inspect power cord for damage. |
| Insufficient heating/cooling | Incorrect temperature setting, blocked airflow, low water flow, ambient temperature too extreme | Verify settings, clear vents, check pool pump operation, ensure unit is within operating temperature range. |
| Unusual noise | Debris in fan, loose components | Disconnect power and inspect fan for obstructions. Tighten any loose parts. |
| Water leakage | Loose connections, damaged hoses | Tighten all hose clamps and connections. Inspect hoses for cracks or damage. |
If the problem persists after attempting these solutions, please contact customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | YC-005TB1-I |
| Product Dimensions | 20 x 19 x 19 inches |
| Item Weight | 69.8 pounds |
| Manufacturer | DOEL |
| BTU Output | 17100 BTU |
| Power Supply | 115V 60Hz |
| Heat Exchanger | Titanium |
| Noise Level | Approximately 45 decibels |
| Applicable Pool Volume | Up to 2600 Gallons (Above Ground Pools) |
| Temperature Range | 59°F - 104°F (15°C - 40°C) |
9. Warranty and Support
DOEL products are manufactured to high-quality standards. For specific warranty details, please refer to the warranty card included with your product or visit the official DOEL website. Keep your purchase receipt as proof of purchase for warranty claims.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact DOEL customer service. Contact information can typically be found on the manufacturer's website or on the product packaging.