[DML] Re: AC correct operation?
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[DML] Re: AC correct operation?



You didn't mention the outside temp but, the pressures look ok. What 
is the fan speed? Any modifications to the system? Max is only a 
recirculation of air and a shutoff of the heater valve - there is no 
built-in continuious clutch mode (at low speeds) like some older GM 
cars, etc. The most air moves across the evaporator at max so a 
slower cycling would be normal until the low side pressure drops 
enough - which in your case you should be near refrigerator quality.

Harold McElraft - 3354


--- In dmcnews@xxxxxxxxxxxxxxx, "sweitzel_2000" <sweitzel@xxxx> 
wrote:
> Greetings:
> 
> Question - is the AC compressor on the D supposed to be charged 
> enough to run continuously when the mode switch is on MAX and the 
> fans on HIGH? and then only cycle when the mode switch is on 
Normal 
> or Bi Level and/or the fan switch is set to a lower speed? I've 
been 
> getting conflicting reports. Right now I'm running Freeze-12 in my 
> system and have charged it to run about 38psi low/175psi high at 
> idle. At 3000rpm it runs 29-30psi low and 220psi high. Since it 
> doesn't drop below 25psi at 3000 rpm, the clutch never cycles off 
> when the settings are on MAX. If i kick the settings down in the 
car, 
> it starts cycling. Is this correct? (BTW, Freeze-12 works VERY 
well. 
> im getting about 38 degrees F out the vents.)




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