True, but there are several things that can be added. Air proving switch, freeze stat, low & high pressure switches, discharge line thermostats, phase monitors. All to protect the compressor.
I can't say that I know of any design that "protects the compressors from any unit malfunction....."
[Avatar photo from a Florida training accident. Everyone walked away.]
2 Tim 3:16-17
RSES CMS, HVAC Electrical Specialist
Member, IAEI
AOP Forum Rules:
True, but there are several things that can be added. Air proving switch, freeze stat, low & high pressure switches, discharge line thermostats, phase monitors. All to protect the compressor.
[Avatar photo from a Florida training accident. Everyone walked away.]
2 Tim 3:16-17
RSES CMS, HVAC Electrical Specialist
Member, IAEI
AOP Forum Rules:
I always shake my head when I see a economizer installed but never hooked up.