Please check the nameplate of the outdoor unit when fluoride is added to the air conditioner. If you don't know the rated charge, you need the rated current of the air conditioner in the cooling state. Clamp the current with a clamp ammeter and monitor the current during refrigerant charging. The best charging amount is when the rated current is reached.
Take a little at a time.
The best way is to fill it up a little at a time and pay attention to the numerical changes of voltage and current.
The best time to supplement fluoride in winter
The best time to replenish fluoride in winter is after the air conditioner runs for a quarter of an hour to half an hour.
Suitable pressure for filling freon
Freon filling is expressed by Freon pressure, generally 0.4-0.5MPa is appropriate.
Professional operation
If you don't know, you can call professional customer service staff for consultation, ask their professional service staff to operate it, or hand it over to local people who specialize in repairing air conditioners.