1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your COUGAR GX-S 550W Power Supply. The GX-S 550W is an 80-PLUS Gold certified power supply designed for reliable and efficient power delivery to your computer components. It features a compact design, advanced fan curve tuning for reduced noise, and optimized protections to ensure system stability.
Figure 1.1: Front angled view of the COUGAR GX-S 550W Power Supply, showcasing its compact black casing and fan grille.
2. Safety Information
- Electrical Hazard: Do not open the power supply unit. High voltages are present inside, even when the unit is unplugged.
- Ventilation: Ensure adequate airflow around the power supply. Do not block ventilation openings.
- Moisture: Keep the power supply away from water, humidity, and liquids.
- Temperature: Operate the power supply within the specified temperature range (up to 40°C/104°F).
- Grounding: Always connect the power supply to a grounded outlet.
- Professional Installation: If you are unsure about any installation steps, consult a qualified technician.
3. Package Contents
Verify that all items are present in the package:
- COUGAR GX-S 550W Power Supply Unit
- AC Power Cord
- Modular Cables (if applicable, for semi-modular design)
- Mounting Screws
- User Manual (this document)
4. Setup and Installation
Follow these steps to install the COUGAR GX-S 550W Power Supply into your computer system:
- Prepare Your System: Ensure your computer is powered off and unplugged from the wall outlet. Open your computer case.
- Remove Old PSU (if applicable): Disconnect all cables from your old power supply and remove it from the case.
- Mount the New PSU: Carefully place the COUGAR GX-S 550W into the power supply bay of your computer case. Secure it with the provided mounting screws. Ensure the fan is facing the correct direction for optimal airflow (typically facing downwards or inwards, depending on case design).
- Connect Main Power Cables:
- Connect the 24-pin ATX motherboard power cable to your motherboard.
- Connect the 4+4-pin EPS/CPU power cable to the CPU power connector on your motherboard.
- Connect Peripheral Cables: Connect the necessary SATA power cables to your storage drives (HDDs, SSDs) and optical drives. Connect PCIe power cables to your graphics card(s) if required.
- Cable Management: Route cables neatly to improve airflow and aesthetics within your case.
- Close Case and Connect AC Power: Close your computer case. Connect the AC power cord to the power supply's input socket and then to a grounded wall outlet.
Figure 4.1: Side view of the COUGAR GX-S 550W Power Supply, showing the main power cables emerging from the unit.
Figure 4.2: Rear view of the COUGAR GX-S 550W Power Supply, highlighting the power switch and the AC power input connector.
5. Operating Instructions
After successful installation, operating your COUGAR GX-S 550W Power Supply is straightforward:
- Power On: Ensure the power switch on the rear of the power supply is in the 'I' (On) position.
- System Start-up: Press the power button on your computer case to start your system.
- Fan Operation: The integrated 140mm fan will operate based on the power supply's thermal load, utilizing an advanced fan curve tuning to maintain optimal temperature while minimizing noise.
Figure 5.1: Top-down view of the COUGAR GX-S 550W Power Supply, showing the fan grille and the COUGAR logo at the center of the fan.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your power supply:
- Dust Removal: Periodically clean the power supply's fan grille and interior of your computer case to prevent dust buildup, which can hinder cooling. Use compressed air for this purpose, ensuring the system is powered off and unplugged.
- Environmental Conditions: Operate the power supply in a clean, dry, and well-ventilated environment. Avoid extreme temperatures.
- Cable Inspection: Occasionally check all power cables for secure connections and any signs of damage.
7. Troubleshooting
If you encounter issues with your COUGAR GX-S 550W Power Supply, consider the following:
- No Power:
- Ensure the AC power cord is securely connected to both the power supply and the wall outlet.
- Verify the power switch on the PSU is in the 'I' (On) position.
- Check the wall outlet with another device to confirm it has power.
- Ensure all internal power cables (24-pin ATX, EPS/CPU) are firmly seated.
- System Instability/Random Shutdowns:
- This could indicate an overloaded power supply or a faulty component. Ensure your system's power requirements do not exceed 550W.
- Check for proper ventilation and dust buildup.
- Unusual Noises:
- A rattling or grinding noise may indicate a fan issue. Ensure no cables are obstructing the fan.
If troubleshooting steps do not resolve the issue, contact COUGAR customer support for further assistance.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | COUGAR |
| Model Number | GXS550 |
| Output Wattage | 550 Watts |
| Efficiency Certification | 80 PLUS Gold |
| Form Factor | ATX |
| Cooling Method | Air (140mm fan) |
| Dimensions (LxWxH) | 5.9 x 3.4 x 5.5 inches (150 x 86 x 140 mm) |
| Item Weight | 5.15 pounds (2.34 kg) |
| Input Voltage | 100-240 Vac |
| PFC Type | Active PFC |
| Power Supply Design | Semi-Modular |
9. Warranty and Support
The COUGAR GX-S 550W Power Supply typically comes with a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official COUGAR website for detailed warranty terms and conditions, which usually cover manufacturing defects for a specified period (e.g., 3 years).
For technical support, product inquiries, or warranty claims, please contact COUGAR customer service through their official website or the contact information provided in your product packaging.
