Common Operating Issues of FUV Box Condensers and How to Troubleshoot Them
Company Background
Zhejiang Diya Refrigeration Equipment Co., Ltd. founded in 1983 and headquartered in Huzhou, Zhejiang Province, is a modern comprehensive enterprise integrating R&D design, manufacturing, sales, engineering installation and after-sales service. The company covers an area of 134000 square meters with a registered capital of 40 million yuan and more than 260 employees, including over 38 technical and management backbones. It is a national technology company and a Zhejiang provincial R&D center.
Over the past 40 years, adhering to the concept of leading development with science and technology, winning the market with quality, the company has built a complete industrial refrigeration product system. It has independently developed more than 10 series of products, including air coolers, air-cooled/water-cooled condensers, screw compressor units, condensing units, chillers and integrated systems, widely used in food cold chain, industrial process cooling, pharmaceutical warehousing, commercial refrigeration, marine refrigeration and logistics cold chain industries.
The company follows the quality policy of scientific management, careful operation, strict quality and customer satisfaction and adheres to the corporate philosophy of integrity first, management first, people-oriented, striving for excellence, committed to becoming a trustworthy Chinese brand in the global industrial refrigeration field.
1. Insufficient Heat Dissipation
- Dirty or clogged condenser fins block airflow.
- Ambient temperature too high, reducing heat exchange efficiency.
- Faulty fan components resulting in reduced air volume.
Troubleshooting
- Clean the fins regularly to maintain unobstructed airflow.
- Ensure the condenser installation environment has adequate ventilation.
- Inspect fan motors and blades, replace worn parts when needed.
2. Abnormal Pressure Levels
- High pressure caused by refrigerant overcharge or blocked pipelines.
- Low pressure due to refrigerant leakage or insufficient refrigerant.
Troubleshooting
- Check refrigeration pipeline blockage and remove obstructions.
- Use professional tools to measure refrigerant levels and adjust accordingly.
- Locate leakage points, repair, and recharge refrigerant to the recommended amount.
3. Fan Motor Failures
- Overload caused by long-term high-load operation.
- Internal wiring aging or component damage.
Troubleshooting
- Replace damaged motors or bearings promptly.
- Check for abnormal noise or vibration to identify early warning signs.
- Ensure regular lubrication of moving components.
4. Condenser Coil Corrosion
- Exposure to corrosive environments such as coastal or industrial areas.
- Accumulation of moisture leading to oxidation.
Troubleshooting
- Apply anti-corrosion coatings to coil surfaces.
- Schedule periodic inspections to detect early corrosion.
- Use protective covers when equipment operates in highly corrosive environments.
5. Abnormal Noise and Vibration
- Fan imbalance due to dust accumulation or blade deformation.
- Loose mounting screws or misaligned components.
- Compressor vibrations transmitted to the condenser box.
Troubleshooting
- Rebalance or replace fan blades.
- Tighten all structural screws and check for loosened components.
- Install shock-absorbing pads to minimize vibration transmission.
Recommended Maintenance Practices
- Regular cleaning of fins and coils to maintain optimal heat transfer.
- Quarterly inspection of electrical and mechanical components.
- Monitoring pressure and temperature parameters to identify anomalies early.
- Building a preventive maintenance schedule for long-term operation stability.
Common Parameter Checklist for FUV Box Condenser Inspection
| Inspection Item |
Normal Condition |
Possible Issues |
| Pressure Levels |
Within recommended operating range |
Overpressure / low pressure |
| Airflow |
Strong and stable |
Weak airflow, fan malfunction |
| Coil Surface |
Clean and corrosion-free |
Dirt buildup, corrosion spots |
| Noise Level |
Normal operating sound |
Vibration, mechanical noise |
| Refrigerant Level |
Within standard limit |
Leakage or overcharge |
Conclusion
By identifying common operating issues early and implementing targeted troubleshooting measures, users can effectively extend the lifespan and improve the performance of FUV box condensers. Relying on professional manufacturers like Zhejiang Diya Refrigeration Equipment Co., Ltd. ensures access to reliable products, integrated engineering services, and long-term technical support that help maintain stable and efficient industrial refrigeration operations.