What is the standard operating pressure range for R-410A refrigerant?

The standard operating pressure range for R-410A refrigerant is significant for ensuring efficient and safe operation in air conditioning systems. The correct range is around 120-140 psi for the low side and 400-450 psi for the high side. This high-pressure refrigerant requires appropriate handling and understanding of its pressure characteristics to avoid system issues or failures.

R-410A operates at higher pressures than many traditional refrigerants. Understanding these pressure ranges is crucial for technicians to diagnose and maintain HVAC systems effectively. Maintaining the correct pressures helps optimize system performance, ensuring proper heat exchange and efficiency.

The other options reflect pressure ranges that do not align with the operational characteristics of R-410A. For example, the low and high side pressures listed in those alternatives fall outside the specified operational limits for this refrigerant, which could lead to inefficiencies or potential damage during operation. It's essential for HVAC technicians to utilize the correct pressures to guarantee that the equipment operates as designed.