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What is the MAXIMUM amount of pressure in pounds per square inch (psi) that should be introduced into an R-410A-based system during a leak test, if the manufacturer's nameplate is missing?

100 psi

150 psi

In systems that utilize R-410A refrigerant, conducting a leak test requires careful consideration of pressure limits to ensure safety and effectiveness. When the manufacturer's nameplate is missing, industry standards recommend introducing a maximum pressure of 150 psi for leak testing. This is primarily because R-410A operates at higher pressures than many other refrigerants, and exceeding this limit can lead to potential damage to the system or pose safety risks.

Setting the leak test pressure at 150 psi balances the need for effective detection of leaks while ensuring the system's components are not subjected to pressures that could exceed their design specifications. It's crucial to adhere to these guidelines to avoid compromising the integrity of the system and to ensure compliance with safety protocols.

While options above 150 psi may be available, they could exceed the safe operating limits for certain components within the system, leading to unnecessary risk.

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200 psi

250 psi

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