The wire size for a split air conditioner depends on various factors such as the electrical load of the air conditioner, the distance between the air conditioner and the electrical panel, and the voltage used. It is important to consult with a qualified electrician or HVAC technician who can assess the specific requirements of your installation.
However, as a general guideline, I can provide some information. The wire size is typically determined based on the current rating of the air conditioner. The current rating, in turn, depends on the cooling capacity (in British Thermal Units or BTUs) and the voltage (usually 120V or 240V) of the air conditioner. Higher cooling capacities and voltages generally require thicker wires to handle the increased current.
Here's a rough wire size guide based on the current rating for typical air conditioner installations:
- For air conditioners up to 12,000 BTUs and a voltage of 120V, a 14-gauge wire (AWG) is commonly used.
- For air conditioners up to 18,000 BTUs and a voltage of 240V, a 12-gauge wire (AWG) is often used.
- For air conditioners up to 36,000 BTUs and a voltage of 240V, a 10-gauge wire (AWG) is typically used.
Keep in mind that these are general guidelines, and it's crucial to consult with a professional to ensure proper wire sizing based on the specific requirements of your air conditioner and local electrical codes.