Johnson Controls P128AA-2 Oil Control R-410A Using a limit switch with

Using a limit switch with a higher opening temperature than 135°F can lead to unsafe operating conditions and heat exchanger failure

verify your specific pipe run requirements

This model features the circuit breaker on the secondary output side to protect the sensitive control components from downstream electrical faults

and the regulator must be adjusted to the required manifold pressure (typically 10

Johnson Controls P128AA-2 Oil Control R-410A Using a limit switch withThe Johnson Controls P128AA 2 is a heavy duty pressure actuated lube oil protection switch designed to safeguard semi hermetic compressors from lubrication failure. This oil pressure safety control monitors the net oil pressurethe difference between the oil pump discharge and the crankcase pressure. Featuring a manual reset mechanism and a 60 second time delay, this device bridges the gap during startup and temporary fluctuations, ensuring the