**Air Conditioning Maintenance Rules**
1. **Switching Secret Method**
It is important to avoid frequently turning the air conditioner on and off. If the room temperature has reached or exceeded the desired level, it’s better to let the thermostat control the operation rather than manually switching it. When the air conditioner is not in use, always turn it off and unplug it from the power source. In case of sudden power outages or manual shutdowns, some air conditioners may restart immediately, but others require a 3-minute delay before they can be turned on again. Failing to wait could lead to excessive starting current, which might damage the fuse or even the compressor motor. Always make use of the timer function when going to sleep or leaving home, so the unit only runs for the necessary time, helping to save energy.
2. **Temperature Secret Method**
When using your air conditioner, adjust the temperature carefully to avoid overcooling or overheating. Lowering the heating setting by just 2°C can save about 10% in energy consumption. Keep doors and windows closed as much as possible during operation, since frequent opening reduces efficiency and increases energy use. Use curtains to cover windows—during winter, allow sunlight in during the day and close them at night to retain heat. In summer, blocking direct sunlight can improve cooling efficiency by up to 5%. Homes with good insulation are more energy-efficient, so consider using thermal materials during construction or renovation.
3. **Filter Secret Method**
Among all household appliances, air conditioners tend to accumulate the most dust, yet cleaning is often neglected. Many users go years without cleaning their units, leading to premature breakdowns. It's recommended to clean and maintain your air conditioner before summer and after autumn. The filter is one of the most important parts to clean. Modern deodorizing filters improve indoor air quality. When cleaning, avoid touching the metal parts of the indoor unit to prevent scratches. Gently tap the filter or use a vacuum cleaner. If it's very dirty, you can rinse it with water or a mild detergent, but never use hot water above 50°C, as this can warp the filter. Avoid using sponges, as they may damage the surface. After washing, dry the filter in a shaded area, not in direct sunlight or near heat sources. Reinstall the filter once it’s completely dry. Filters should be replaced every four months to ensure optimal performance.
4. **Component Secret Method**
Protect the condenser and evaporator coils, which are made of thin aluminum sheets. These components are delicate and can be easily damaged by impact, which reduces cooling efficiency. Also, protect the refrigeration system from damage, as leaks can cause serious issues. Every six months, clean the outdoor unit with a soft brush to remove dust. Once a year, disassemble the fan and lubricate the bearings. For water-cooled systems, never shut off the water supply while the system is running. Outdoor condensers should be cleaned every 1–2 months. During winter, drain any water left in the condenser to prevent freezing and cracking. Always choose the correct fuse size according to the manufacturer’s instructions. An improperly sized fuse can be a safety hazard.
5. **General Maintenance Tips**
Never block the outdoor unit’s air outlet, as this reduces efficiency and wastes energy. Adjust the wind direction plate: point it downward when heating and horizontally when cooling for better performance. Regular maintenance ensures the air conditioner functions properly and lasts longer. Here are some key steps:
- Check the plug and socket connection regularly. If the wiring gets hot, it may indicate a problem that needs fixing.
- Monitor the refrigerant pipes for leaks, especially in split systems. Oil stains can signal a leak, which should be addressed promptly.
- Clean the air conditioner’s panel and cabinet with a dry cloth, then wipe with a damp cloth. Avoid using harsh chemicals or hot water.
- Clean the condenser and evaporator coils with a brush or vacuum, always brushing vertically to avoid damaging the fins.
- Clean the air filter every 2–3 weeks. Remove it, brush off the dust, or rinse with water if needed, and let it dry before reinserting.
- Before long-term storage, clean the unit thoroughly, run the fan for a few hours to dry it, and cover it with a dust cover.
- For homes with multiple units, consider professional cleaning every 2–3 years to improve heat exchange efficiency and reduce energy use.
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