With the continuous development of modern building technology, central air conditioning has become one of the common facilities in large commercial, industrial, office and residential buildings. It can not only control the indoor temperature, but also filter the air and keep the indoor air fresh. However, if the air conditioning system fails, it can cause considerable problems. Therefore, regular maintenance and maintenance of central air conditioning is very important. This article will introduce you to the basic methods of central air conditioning maintenance and troubleshooting skills.

1. Maintenance of central air conditioning

A sound central air conditioning system requires frequent maintenance to ensure its normal operation and extend its service life. Here are a few aspects of maintenance that should be considered.

1. Clean the filter

Air filters need to be cleaned and replaced regularly to ensure that they effectively filter the air and keep the indoor air fresh. The filter should be cleaned every other month to avoid dust and dirt buildup.

2. Clean the air conditioner

Central air conditioners need to be cleaned and disinfected regularly, which can be done by professional cleaning services. Comprehensive cleaning and maintenance should be carried out at least once a year.

3. Check the refrigerant level

The refrigerant is the key part of the central air conditioning system. The system needs to check the refrigerant level regularly to ensure that it does not leak or leak. If necessary, it should be repaired in time.

4. Check the electrical system

Electrical systems should be inspected at least once a year to ensure that they are working properly. Electrical wiring should be checked regularly for damaged or aged wiring.

5. Maintain the fan blades

The central air conditioning blades also need maintenance and maintenance to ensure that they work properly. The fan blades should be inspected and cleaned regularly to remove faults caused by accumulated dust.

2. Troubleshooting of central air conditioning

When maintaining the central air conditioner, it is necessary to understand and use the correct troubleshooting techniques. The following are some common methods for central air conditioning troubleshooting.

1. Check the power supply

If the air conditioner stops working completely, it may be because of a power failure. Therefore, first check whether the power supply is working properly.

2. Check the air filter

If the central air conditioning system makes noise or the temperature is unstable, the air filter may be blocked, so the air filter should be checked and cleaned.

3. Check the refrigerant level

If the air conditioning system is no longer cooling, it may be because of refrigerant leakage or insufficient. Therefore, the refrigerant level must be checked.

4. Check the electrical system

If the central air conditioning system does not start, it may be because of a failure in the electrical system. At this time, electrical inspections can be carried out and repairs can be made if line faults are found.

5. Check the fan

If the central air conditioning system is still noisy or the air flow is weak, it may be because the fan blades are old or dirty, so you can check and clean the fan or make necessary repairs.

Maintenance and troubleshooting are important measures to ensure the normal operation of the central air conditioning system. If you are not a professional, it is recommended to regularly have a professional technician check and maintain your central air conditioning system to ensure its efficient operation and long life.