AC PRESSURE SWITCH NORMAL POSITIONS

  • Tiny
  • ddberringer
  • 1997 Jaguar XK8
  • 23,000 miles

What are the normal positions (open or closed)for the air conditioner four way pressure switch with equal pressure (engine off) and system charged?

Thursday, December 1st, 2011 AT 4:08 AM

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 42,964 posts

FOUR LEVEL PRESSURE SWITCH

Four level pressure switch is mounted in discharge pipe. It provides a signal, via A/C module and engine control module, to disengage compressor clutch drive when refrigerant pressure drops to 29.0 psi (2 bar) or
increases to greater than 435 psi (30 bar).

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Friday, December 2nd, 2011 AT 8:04 PM

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