Relay K22

[Figureman52]

Can anyone tell me what this relay does, and would it stop the air con compressor from working if it failed?

Thanks.

[sjc]

Looks like it...

https://workshop-manuals.com/vauxhall/omega-b/j__engine_and_engine_aggregates/cooling_system/radiator/specifications/circuit_diagram/

[Enceladus]

There's also a refrigerant pressure sensor. If the system pressure drops too low it protects the compressor by preventing the clutch from engaging.