Steve Kraus wrote:
Richard J Kinchwrote:
Plain old unfancy units have pressure switches that shut the unit
down from overpressure on the discharge side, underpressure on the
suction side, and/or overtemperature.

Shut down the whole unit? Good to know. Thought only the compressor
would shut off.

Most 'unfancy' units don't have high pressure / low pressure switches,
but instead rely on the compressor overtemperature switch.