I think i will get a used temp control from a wrecking yard nd try the bypass. This way I'll still have a good one on hand. Thanks
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| AC Cycling on Start up http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=78332 |
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| Author: | canonoch1 [ Mon Feb 17, 2014 11:06 pm ] |
| Post subject: | AC Cycling on Start up |
I pulled the Viscous Heater Relay the other day. When I started it up in the morning (cold Engine) I heard a compressor cycling. I figured the temp. control must have been set to defrost. After checking that it was not on Defrost but on floor heat. The AC compressor was cycling. Anybody have any ideas why? |
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| Author: | DOC4444 [ Mon Feb 17, 2014 11:31 pm ] |
| Post subject: | Re: AC Cycling on Start up |
Normal. Only face level setting supposedly disables AC cycling in winter. DOC |
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| Author: | papaindigo [ Tue Feb 18, 2014 9:13 am ] |
| Post subject: | Re: AC Cycling on Start up |
Per the Owner's Manual the AC compressor will cycle, regardless of whether the AC button is on or off, when the Climate Control Mode Selection knob (middle one) is set for defrost, mix (defrost and floor), and floor modes. I don't think it cycles in panel or bi-level modes. I don't know for sure about recirculate mode but judging by how quickly the window's fog when heat is on in recirculate mode I'm pretty sure the AC compressor does not cycle. Pretty much standard for all vehicles for quite some time now. Keeps interior humidity down and occasional running of the compressor keeps seals lubricated in "off" season. |
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| Author: | canonoch1 [ Wed Feb 19, 2014 12:25 am ] |
| Post subject: | Re: AC Cycling on Start up |
Ok, Thanks I only thought it cycled in defrost or when you actually wanted to use the AC. Maybe I'll install a bypass switch to control that. |
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| Author: | DOC4444 [ Wed Feb 19, 2014 7:57 am ] |
| Post subject: | Re: AC Cycling on Start up |
There is a how-to somewhere that shows where to apply a piece of tape in the hvac control unit to keep the AC off until you actually turn it on. DOC |
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| Author: | sailwa66 [ Wed Feb 19, 2014 9:37 am ] |
| Post subject: | Re: AC Cycling on Start up |
Scroll down to 'Chessmaster's writeup: viewtopic.php?t=6042 |
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| Author: | canonoch1 [ Thu Feb 20, 2014 12:42 am ] |
| Post subject: | Re: AC Cycling on Start up |
I think i will get a used temp control from a wrecking yard nd try the bypass. This way I'll still have a good one on hand. Thanks
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| Author: | papaindigo [ Thu Feb 20, 2014 11:07 am ] |
| Post subject: | Re: AC Cycling on Start up |
Just my  but why bother? There are some benefits to running the compressor in some modes to remove humidity and keep seals lubed and if you don't want it to run just use the panel and bi-level modes.
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| Author: | thermorex [ Fri Feb 21, 2014 12:48 am ] |
| Post subject: | Re: AC Cycling on Start up |
I also agree with papaindigo, you have the switch to engage ac whenever you want. Also, many German cars don't even engage ac even on defrost, and if they do, you can manually switch it off. More options is better imo. But its your car, and we obviously just voice some opinions, ultimately choose what is best for you. |
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