How to choose air switch for air conditioner?

According to the power of the compressor, the greater the load, the greater the air switch. The so-called load is what is usually called a horse.

For example: 1 =735 watts. Current = power/voltage (220 volts). Through this formula, it is not difficult to calculate the load of each path of the controller. Plus a factor of about 30%-50%. It is entirely possible that the air conditioner in the lobby is equipped with 20A air switch, and all others are equipped with 16A air switch.

L 1: lighting-10a-2. 5 square plastic copper wire. L2； Kitchen socket-16a-2. 5 square plastic copper wire. L3； Toilet socket:-16a-2. 5 square plastic copper wire. L4: living room air conditioning socket: -20a-4. 0 square plastic copper wire L5: bedroom air conditioning socket: -20a-4. 0 square plastic copper wire L6: ordinary socket:-16a-2. 5 square plastic copper wire. Main air switch: 40A. This wiring method is more standard and reasonable.