A/C compressor cycles?
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Tuned
Joined: Nov 2011
Posts: 306
Likes: 15
A/C compressor cycles?
How often does your A/C compressor cycle? As we all know the mighty 125hp of the Aero allows you to feel every on/off of the A/C. Just wanted to know what others felt?
I just repaired mine,, again. But its all new now, ALL NEW!$ cooling Fantastic. But cycling quite a bit.
Once it cools down in the van on Max air, it cycles every 15=20 seconds.
If I go to Norm air, (letting the outside air in) its much less, sometimes not at all.
Maybe I need a different pressure switch?
A little more freon?
Maybe just run it?
I just repaired mine,, again. But its all new now, ALL NEW!$ cooling Fantastic. But cycling quite a bit.
Once it cools down in the van on Max air, it cycles every 15=20 seconds.
If I go to Norm air, (letting the outside air in) its much less, sometimes not at all.
Maybe I need a different pressure switch?
A little more freon?
Maybe just run it?
Mountain Pass
Joined: Mar 2002
Posts: 227
Likes: 12
From: St Louis, MO
With the clue you gave about it cycling less when cooling air brought in from the outside, I'd agree it might be low on refrigerant. I've got the 3.0L but other than the initial startup every morning, I never notice mine cycling. If it's cooling you must be close to full and if the accumulator tank is good and cold you may be experiencing normal operation. The low pressure switch cycles the compressor after things cool down and the pressure won't stay low very long in the summer. You wouldn't want the compressor to stay off so long you started to feel warm air coming from the vents.
Tuned
Joined: Aug 2009
Posts: 402
Likes: 16
OP, you seem to have an accurate understanding/observation about the situation.
The original design is suspect.
This from someone who has spent much effort on features and insulation.
Just yesterday in California I was subjected to 105 F dry degrees, around Sacramento.
Probably not as bad as Florida humid, but worthy of reporting.
--> With all my upgrades, it was still just "survivable", but not modern or professional.
The original design is suspect.
This from someone who has spent much effort on features and insulation.
Just yesterday in California I was subjected to 105 F dry degrees, around Sacramento.
Probably not as bad as Florida humid, but worthy of reporting.
--> With all my upgrades, it was still just "survivable", but not modern or professional.
Post Fiend
Joined: Apr 2005
Posts: 5,720
Likes: 5
From: Washington state
Insulating mine with foil/foam auto insulation on the firewall and on the hump and interior firewall under the carpet improved the hot temps cooling of my A/C. Used glue to hold the insulation on.
Aero 4L in the enclosed engine compartment dumps lots of heat into the passenger compartment stock.
Aero 4L in the enclosed engine compartment dumps lots of heat into the passenger compartment stock.
Lead Driver
Joined: Sep 2003
Posts: 7,013
Likes: 205
From: SoCal
Something you might try is to wrap insulation around the refrigerant lines. The original foam wrap may be disintegrated from age. This is especially important for dual-air systems, where a line runs around the dog house to the rear unit. Anything you can do to insulate the liquid lines from engine heat before they get to the evaporators will help.
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Tuned
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