Danfoss MTZ125-4VI Compressor Freon Why is my contactor chattering

Why is my contactor chattering or humming

the actuator will mechanically drive the valve to the open position if the 24V power supply is interrupted for more than two seconds

Exceeding this limit can damage the internal diaphragm

Versatile Application: Certified for multiple gas types and usable as a single-stage regulator or line regulator

ensure the sealing surface is scraped clean of all old material and debris to prevent bypass leaks

Danfoss MTZ125-4VI Compressor Freon Why is my contactor chatteringThe Danfoss MTZ125 4VI is a heavy duty Maneurop reciprocating compressor engineered for medium and high evaporating temperature applications. As a technician, you know the value of the MTZ series large internal free volume, which provides superior protection against liquid slugginga common killer in commercial refrigeration. This 10 HP hermetic unit is pre charged with polyester oil (POE), making it fully compatible with R404A, R407C, R134a, and R407F