The primary filter is an essential component in air conditioning systems, designed for initial filtration to capture dust particles larger than 5μm. Available in three configurations—plate type, folded type, and bag type—it offers flexibility for different system requirements. The outer frame can be made of paper, aluminum, or galvanized steel, while the filter media includes non-woven fabric, nylon mesh, activated carbon, and metal mesh. The filter also features double-sided sprayed wire mesh and double-sided galvanized wire mesh for enhanced durability and performance.
**Key Features of Primary Filters**
- Cost-effective and lightweight
- High versatility for various applications
- Compact design that fits easily into most HVAC units
**Maintenance Tips for Primary Filters**
1. Replace the filter regularly based on environmental conditions—typically every 1 to 6 months.
2. Use a particle counter to check the cleanliness of the filtered area every two months. If the cleanliness level drops below the required standard, inspect for leaks or damage. If the high-efficiency filter has failed, replace it with a new one.
3. Always turn off the primary filter before replacing it to ensure safety.
**Cleaning Instructions for Primary Filters**
1. Open the suction grille by pressing the buttons on both sides and gently pulling it down.
2. Pull the hook on the air filter and slide the unit out at an angle.
3. Remove dust using a vacuum cleaner or rinse with warm water.
4. For heavy soiling, use a soft brush and a mild detergent. After cleaning, drain the water and let it dry in a cool, shaded area.
5. Avoid using hot water over 50°C, as it may cause discoloration or deformation. Never dry the filter near heat sources.
6. Reinstall the filter properly: place it on the upper part of the grille, secure it, and push it back into position until it clicks.
7. Close the suction grille and press the filter reset button on the control panel to clear the cleaning reminder.
8. In dusty environments, increase the cleaning frequency. It's recommended to clean the filter at least once every six months.
Proper maintenance of your primary filter ensures optimal airflow and extends the life of your entire air system. Regular checks and timely replacements are crucial for maintaining indoor air quality. Whether you're performing routine maintenance or troubleshooting issues, following these guidelines will help keep your system running efficiently.
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