How to add fluid to the air conditioner: hot topics and operation guides on the Internet in the past 10 days
Recently, as the high temperatures in summer continue, air conditioning repair and maintenance has become a hot topic on the Internet. The following is a compilation of hot topics related to air conditioners in the past 10 days (as of October 2023), combined with professional operation guides to provide you with a detailed analysis of the correct method of adding fluid to air conditioners.
1. Hot topics related to air conditioners on the entire network (last 10 days)
| Ranking | Topic keywords | Search volume (10,000) | Main discussion platform |
|---|---|---|---|
| 1 | Reasons why the air conditioner is not cooling | 48.5 | Baidu/Douyin |
| 2 | Air conditioner refilling cost | 32.1 | Meituan/Dianping |
| 3 | DIY air conditioning repair | 25.7 | Station B/Zhihu |
| 4 | Environmentally friendly alternative to refrigerants | 18.3 | Weibo/Professional Forum |
2. Necessary knowledge of air conditioner filling
1.Determine whether fluid needs to be added:When the cooling effect of the air conditioner decreases, the outdoor unit is frosted, or the operating current is abnormal, it may be due to insufficient refrigerant.
2.Safety precautions:
- Must turn off the power supply and wait for the capacitor to discharge
- Wear protective gloves and goggles when operating
- R22 and R32 refrigerants cannot be mixed
| Refrigerant type | Applicable models | Pressure standard (MPa) |
|---|---|---|
| R22 | Old fixed frequency air conditioner | 0.4-0.6 |
| R32 | New inverter air conditioner | 0.6-0.8 |
3. Detailed operation steps
1.Preparation:
- Purchase the corresponding type of refrigerant (need to go through formal channels)
- Prepare tools such as pressure gauges, electronic scales, and liquid filling tubes
2.Operation process:
① Connect the pressure gauge to the air conditioner low pressure valve (larger diameter valve)
② Discharge the air from the liquid filling pipe (open the valve for 2 seconds and then close it)
③ Start the air conditioning cooling mode (set the minimum temperature)
④ Slowly add refrigerant to the standard pressure value
| Number of air conditioners | Recommended filling amount (g) | Reference time (minutes) |
|---|---|---|
| 1 horse | 700-900 | 8-12 |
| 1.5 horses | 900-1200 | 12-15 |
| 3 horses | 1800-2500 | 20-30 |
4. Frequently Asked Questions
Q: What should I do if it still doesn’t cool after adding liquid?
A: It may be a system blockage, compressor failure or installation problem. It is recommended to contact professional maintenance personnel.
Q: Can I buy refrigerant myself?
A: Flammable refrigerants such as R32 need to be purchased with a license. I personally recommend choosing regular maintenance services.
5. Professional advice
According to maintenance data statistics across the entire network, 70% of so-called "insufficient refrigerant" are actually caused by other faults. Suggestions:
1. Prioritize checking whether the filter is clean
2. Confirm whether the heat dissipation of the outdoor unit is good
3. Check whether the capacitor is normal
4. Non-professionals are not recommended to disassemble and repair the machine by themselves
Through the above structured data and operation guide, we hope to help you correctly understand the process and precautions for air conditioner fluid refilling. If you need further help, it is recommended to consult official after-sales service or certified maintenance personnel.
check the details
check the details
en
