1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your FSP Hydro PTM Pro 750W 80 Plus Platinum Full Modular ATX 12V Power Supply (Model: HPT2-750M). Please read this manual thoroughly before using the product to ensure proper function and safety.
The FSP Hydro PTM Pro series is designed for high efficiency and durability, featuring a conformal coating for protection against dust, humidity, and stains. It includes a semi-fanless Eco Mode for quiet operation under low loads and fully modular black ribbon cables for flexible system builds.
2. Safety Information
WARNING: Improper installation or use can result in serious injury or damage to the power supply and other components. Always follow these safety guidelines:
- Do not open the power supply unit. High voltages are present inside, and there are no user-serviceable parts. Opening the unit will void the warranty.
- Ensure the power supply is disconnected from the AC power outlet before installation or maintenance.
- Install the power supply in a well-ventilated area.
- Use only the modular cables provided with this power supply. Using incompatible cables may cause damage to the power supply and connected components.
- This product is designed for use in personal computers. Do not use it for any other purpose.
- Keep the power supply away from water, moisture, and extreme temperatures.
- Ensure all connections are secure before powering on the system.

3. Package Contents
Verify that all items are present in your package:
- FSP Hydro PTM Pro 750W Power Supply Unit (HPT2-750M)
- AC Power Cord
- Modular Cable Set (refer to the "Cable Length and Connectors" section for details)
- Mounting Screws
- User Manual (this document)

4. Setup and Installation
4.1 Physical Installation
- Prepare Your System: Ensure your computer is completely powered off and unplugged from the wall outlet.
- Remove Old Power Supply (if applicable): Disconnect all cables from your old power supply and remove it from the PC case.
- Mount the Power Supply: Insert the FSP Hydro PTM Pro 750W into the power supply bay of your PC case. Secure it with the provided mounting screws.
- Connect Motherboard Cables:
- Connect the 20+4 Pin ATX cable to your motherboard's main power connector.
- Connect the 4+4 Pin CPU (EPS) cable(s) to your motherboard's CPU power connector(s).
- Connect Peripheral Cables:
- Connect the 6+2 Pin PCI-E cables to your graphics card(s).
- Connect SATA power cables to your SSDs, HDDs, and optical drives.
- Connect Molex cables to any other peripherals requiring them.
- Secure Connections: Ensure all modular cables are firmly seated into both the power supply and the respective components.
- Connect AC Power: Plug the AC power cord into the power supply's AC inlet and then into a wall outlet or surge protector.

4.2 Cable Length and Connectors
The FSP Hydro PTM Pro 750W comes with a set of fully modular black ribbon cables. Refer to the diagram below for connector types and approximate lengths.

5. Operation
5.1 Powering On/Off
After completing the installation, ensure the main power switch on the back of the power supply is in the "ON" (I) position. You can then power on your computer using its case power button.
5.2 Eco Mode
The Hydro PTM Pro features a semi-fanless Eco Mode. When enabled, the power supply fan will remain off until the system load exceeds approximately 30%. This provides silent operation during low-power tasks.
- To activate Eco Mode: Locate the "ECO" switch next to the main power switch on the rear of the power supply and set it to the "ON" position.
- To disable Eco Mode: Set the "ECO" switch to the "OFF" position. The fan will operate continuously based on temperature.

Video: An overview of the FSP Hydro PTM Pro series, highlighting features like conformal coating, Eco Mode, and modular design. This video is provided by FSP GROUP USA.
6. Maintenance
6.1 Cleaning
To maintain optimal performance and longevity, periodically clean your power supply:
- Ensure the power supply is completely powered off and unplugged from the AC outlet before cleaning.
- Use compressed air to gently remove dust from the fan grille and ventilation openings.
- Wipe the exterior with a soft, dry cloth. Do not use liquid cleaners or solvents.
6.2 Environmental Protection
The FSP Hydro PTM Pro features a proprietary conformal coating that protects internal components from dust, humidity, and stains. This allows the power supply to reliably operate in environments with up to 95% relative humidity. While this coating offers enhanced protection, it is still recommended to operate the power supply in a clean, dry environment for best results.
7. Troubleshooting
If you encounter issues with your power supply, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| System does not power on. |
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| System powers on but immediately shuts down. |
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| Fan is not spinning (Eco Mode off). |
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If the problem persists after attempting these solutions, please contact FSP customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Hydro PTM Pro (HPT2-750M) |
| Brand | FSP |
| Output Wattage | 750W |
| 80 Plus Certification | Platinum |
| Form Factor | ATX |
| Power Supply Design | Full Modular |
| Cooling Method | Air (135mm fan) |
| Input Voltage | 115-240 Volts |
| Dimensions (L x W x H) | 170 x 150 x 86 mm (6.7 x 5.9 x 3.4 inches) |
| Protections | OCP, OVP, SCP, OPP, UVP, OTP |
| Capacitors | Japanese-made Electrolytic Capacitors |
| PFC | Active PFC ≥ 99% |
| Conformal Coating | Yes (Dust, Humidity, Stain protection) |

9. Warranty and Support
9.1 Warranty Information
The FSP Hydro PTM Pro 750W power supply is covered by a 10-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
The warranty does not cover damage resulting from:
- Improper installation or operation.
- Accidental damage, abuse, or misuse.
- Unauthorized repairs or modifications.
- Natural disasters or external causes.
9.2 Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact FSP customer support. Refer to the official FSP website for the most up-to-date contact information.
FSP GROUP USA
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