How to measure the pressure of air conditioners: Hot topics and practical guides on the Internet in the past 10 days
Recently, as the high temperatures continue in summer, air conditioning repair and maintenance has become a hot topic. Many users are concerned about how to detect air conditioning pressure by themselves to ensure cooling effect. This article will combine the hot content of the entire network in the past 10 days to provide you with a detailed analysis of the methods and precautions for air conditioning pressure measurement.
1. Popular air-conditioning related topics on the Internet in the past 10 days
| Ranking | Topic keywords | Search volume (10,000) | Related content |
|---|---|---|---|
| 1 | Air conditioner not cooling | 45.6 | Pressure detection, fluorine deficiency judgment |
| 2 | Use of air conditioning pressure gauge | 32.1 | DIY repair tutorial |
| 3 | The pressure difference between R22 and R32 | 28.7 | Comparison of refrigerant types |
| 4 | Air conditioning safe operation | 25.3 | Pressure detection risk warning |
2. Detailed explanation of air conditioning pressure measurement steps
1.Preparation tools: Need to be equipped with a professional pressure gauge set (double high and low pressure gauges), refrigerant tank, safety gloves, etc. Recent hot searches show that weekly sales of pressure gauge sets on an e-commerce platform reached 12,000 pieces.
2.Operation process:
| steps | Operation content | Standard value reference |
|---|---|---|
| 1 | Turn off the air conditioner power | Ensure complete power outage |
| 2 | Connect the low pressure valve detection port | Use blue hose |
| 3 | Start air conditioning cooling mode | Set 16℃ strong wind |
| 4 | Read the pressure indication number | R22:0.4-0.6MPa R32:0.8-1.2MPa |
3. Precautions (derived from recent maintenance accident reports)
1. The pressure standards of different refrigerants vary greatly, and misoperation may cause damage to the compressor. After-sales data from a certain brand shows that 30% of compressor failures are caused by abnormal pressure.
2. In high temperature weather, the pressure will increase by 0.1-0.15MPa, and the influence of ambient temperature should be considered when measuring. Meteorological data shows that temperatures above 35°C have persisted in many places in recent days.
3. Safety warning: A refrigerant leakage occurred in a certain place last week due to private testing. It is recommended that non-professionals contact after-sales service.
4. Expert advice
1. Annual testing: The Refrigeration Industry Association recommends pressure testing every year before use.
2. Equipment selection: Give priority to digital pressure gauges with temperature compensation function (the popularity of new products has increased by 67% recently)
3. Data recording: Establishing pressure change files helps predict faults
Through the above structured data and practical guidance, users can understand the air conditioning pressure detection method more scientifically. If you need in-depth services, you can refer to the "Summer Air Conditioning Physical Examination" activities recently launched by major brands (the number of activity inquiries increased by 40% week-on-week).
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