Carrier HK02SA420 Pressure Switch 320788-703 How do I test this

How do I test this limit switch

This model includes two built-in SPDT auxiliary switches (fixed at 10° and 85°) for end-stop position feedback

this valve is strictly calibrated for R410A refrigerant and should not be used in legacy R22 equipment

800 BTU/HR on LP

Carrier HK02SA420 Pressure Switch 320788-703 How do I test thisAs a seasoned technician, you know that a tripped high pressure switch is often the only thing standing between a routine service call and a catastrophic compressor failure. The Carrier HK02SA420 is a factory authorized OEM replacement pressure switch designed specifically for Carrier, Bryant, and Payne air conditioning and refrigeration systems. This 660 505 high pressure switch is calibrated for precision, featuring a cut out point of 660 PSI to