The amount of refrigerant required for a mini-split or central air conditioning unit depends on the specific make and model of the unit, as well as the length of the refrigerant lines and the capacity of the system. Typically, the manufacturer will specify the required refrigerant charge in the unit's technical specifications or user manual.
To determine the proper refrigerant charge for a specific unit, it is essential to follow the manufacturer's guidelines and not deviate from them. Adding too much or too little refrigerant can negatively impact the system's performance, efficiency, and lifespan. It can also lead to potential damage to the compressor and other components.
The correct refrigerant charge is crucial to ensure the system operates optimally and maintains the desired cooling capacity. Therefore, if you are installing, repairing, or maintaining a mini-split or central air conditioning unit, it is best to consult the manufacturer's documentation or seek the assistance of a qualified HVAC professional to ensure the proper refrigerant charge is achieved.