Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Raypak R6450ti-E Digital Titanium Electric Pool Heat Pump. Please read this manual thoroughly before attempting to install or operate the unit. Proper installation and regular maintenance are crucial for optimal performance and longevity of your heat pump.
Safety Information
Always adhere to local electrical and plumbing codes. Installation and service must be performed by a qualified professional. Disconnect power before servicing the unit. Do not operate the heat pump if any part is submerged in water. Keep children and pets away from the unit during operation. Ensure proper ventilation around the unit.
Product Overview
The Raypak R6450ti-E is a high-efficiency digital electric pool heat pump designed to heat your pool water using ambient air. It features a durable titanium heat exchanger, suitable for various pool chemistries, and a digital control panel for precise temperature management.

Setup and Installation
1. Site Selection
Choose a location with adequate airflow, away from windows or noise-sensitive areas. Ensure the unit is on a solid, level surface capable of supporting its weight. Maintain minimum clearances as specified in the detailed installation guide provided with the product.
2. Electrical Connections
The R6450ti-E operates on 208/230V power. All electrical wiring must comply with national and local electrical codes. A dedicated circuit with appropriate overcurrent protection is required. Consult a licensed electrician for proper wiring.
3. Plumbing Connections
Connect the pool's filtration system plumbing to the heat pump's inlet and outlet ports. Use appropriate PVC fittings and ensure all connections are watertight. A bypass valve assembly is recommended for flow control and isolation during maintenance.
4. Initial Startup
After plumbing and electrical connections are complete and verified, ensure the pool pump is running and water is flowing through the heat pump. Then, apply power to the unit. Follow the on-screen prompts on the digital display for initial setup and configuration.
Operating Instructions
1. Digital Control Panel
The heat pump is controlled via a user-friendly digital display. Use the up/down arrows to navigate menus and adjust settings. The display shows current water temperature, desired set point, and operational status.
2. Setting Desired Temperature
Press the 'Set' button (or equivalent) and use the arrow keys to adjust the desired pool water temperature. Confirm your selection to save the setting. The unit will automatically operate to maintain this temperature.
3. Operating Modes
The heat pump primarily operates in heating mode. Some models may offer additional modes like cooling or auto. Refer to the specific digital display interface for available options and how to select them.
4. Error Codes
Should an operational issue occur, the digital display may show an error code. Consult the troubleshooting section of this manual or the full product manual for a list of codes and their meanings.
Maintenance
1. Routine Cleaning
Regularly inspect and clean the evaporator coil to ensure optimal airflow. Remove any debris, leaves, or dirt that may accumulate on the coil or around the unit. Use a soft brush or garden hose with low pressure for cleaning.
2. Winterization
In colder climates, proper winterization is essential to prevent damage from freezing. This typically involves draining all water from the heat pump and plumbing lines, and covering the unit. Consult a qualified pool technician for proper winterization procedures.
3. Annual Checks
It is recommended to have a qualified service technician perform an annual inspection of your heat pump. This includes checking refrigerant levels, electrical connections, and overall system performance.
Troubleshooting
Before contacting customer support, perform these basic troubleshooting steps:
- Unit Not Turning On: Check the circuit breaker and ensure the unit is receiving power. Verify the pool pump is running and water flow is adequate.
- No Heat Output: Confirm the desired temperature setting is higher than the current pool temperature. Check for sufficient water flow through the unit. Ensure the air intake and exhaust are clear of obstructions.
- Error Code Displayed: Note the specific error code and refer to the comprehensive product manual for its meaning and recommended action. Many codes indicate issues with sensors, flow, or refrigerant levels.
- Unusual Noises: Investigate any new or loud noises. This could indicate a fan obstruction, loose components, or internal mechanical issues. Disconnect power before inspecting.
For issues that cannot be resolved with these steps, or for any complex repairs, contact a qualified Raypak service technician.
Specifications
| Feature | Specification |
|---|---|
| Model | R6450ti-E / TWPH-6450EHT08 |
| Heating Capacity | 119,000 BTU |
| Power Supply | 208/230V |
| Heat Exchanger Material | Titanium |
| Approximate Package Dimensions (L x W x H) | 51 x 42 x 38 inches |
| Manufacturer | Raypak |
Warranty Information
Raypak products are covered by a manufacturer's warranty. The specific terms and duration of the warranty may vary. Please refer to the warranty card included with your product or visit the official Raypak website for detailed warranty information and registration procedures. Keep your proof of purchase for warranty claims.
Customer Support
For technical assistance, service, or parts, please contact Raypak customer support or an authorized Raypak service center. Ensure you have your product model number (R6450ti-E or TWPH-6450EHT08) and serial number ready when contacting support.





