Air Cond Compressor off at WOT

Jsolo

I recall reading somewhere that ac compressor disengages by design at wot. The reason? Not sure, full power available for acceleration, less shock to the ac compressor/motor when it does engage.

__________________
G37S Sedan 6MT, Eibach swaybars, Invidia Exhaust, Weaker Clutch Pedal Spring

For sale links

SouthArk370Z

My guess is that it's an "ordinary" clutch/compressor and that the clutch is turned off above some RPM. Too lazy to look it up in FSM.

It's for performance/economy. Once engaged, the clutch and compressor can handle whatever the engine throws at it at WOT (no different, from the A/C's POV, than any other throttle position) until you reach the compressor's RPM limit. I'm assuming that modern cars turn off the clutch before the compressor is spinning too fast but see closing comment above.

__________________
Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub
Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

Louie cat

My compressor should have been gone long ago if wot was hurting it, but its still quiet and efficient

Louie cat

Plus I have a warranty that covers it for 30k more miles and 2.5 more years.

ChopsZ

Keep in mind, with these modern compressors and computer control, they are not effected by WOT or not, it's all basically RPM/pressure related. Old systems were more or less controlled by WOT, so when there was near zero manifold vacuum, the clutch would disengage. I'm not sure if there was any protection on the low RPM side of things.

__________________
She's For Sale! PERFORMANCE: Aero Workz | Akebono | BC Racing | EcuTek | HKS | MaxBore | Motordyne | Nismo | RJM | SPL | StopTech | Z1
AUDIO: Arc Audio | Bazooka | Helix | Pioneer | Stereo Integrity