GMCforum: GMCnet » a/c compressor not engaging

Home » Public Forums » GMCnet » a/c compressor not engaging (low refrigerant?)

Show: Today's Messages :: Polls :: Message Navigator

Re: [GMCnet] a/c compressor not engaging [message #345158 is a reply to message #345154]

Thu, 11 July 2019 23:16

emerystora

Messages: 4442
Registered: January 2004

Karma:

Senior Member

Can you please clarify exactly what refrigerant you are using. You say R12a but is this Freon 12 or is it HC12a? It makes a big difference in pressures.

Emery Stora
77 Kingsley
Frederick CO

> On Jul 11, 2019, at 8:10 PM, Deb McWade via Gmclist wrote:
>
> Hi Roy. Low side static is at 70psi. Running drops to about 40ish but goes up to about 45-50 and down again as the switch repeatedly opens and closes.
> It never settles at one pressure. So I don't really know exactly what the running pressure is. I did find in the manual that the low pressure switch
> wants it above 37, so anything less than 40 would be getting pretty close to low end acceptable.
>
> It is possible Im still running with too little refrigerant but the static low side is at 70 which I think should be pretty close to where it should
> be. I'm running the R12a and I'm checking into whether that should affect my static pressure in this system. I know 37 is bottom limit for the
> compressor to run (thats in the switch). But I have to find what the static pressure should be. Still going through the manual. Don't want to
> overfill it but don't want to freeze things up either.
>
> I'll take another look at it tomorrow. If it is that switch, what is more likely - problem with the expansion valve or the switch itself? Any good
> way to determine where the problem lies?
> --
> Deb McWade
> Logan Lake, BC, CAN
> "Li'l Sister"
> '77 Kingsley, 403, EBL EFI;
> TZE167V101404
> It's Bigger on the Inside!
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

Report message to a moderator

[Message index]

		a/c compressor not engaging By: Deb on Thu, 11 July 2019 14:36
		Re: a/c compressor not engaging By: lqqkatjon on Thu, 11 July 2019 15:02
		Re: a/c compressor not engaging By: Deb on Thu, 11 July 2019 15:34
		Re: a/c compressor not engaging By: Deb on Thu, 11 July 2019 17:34
		Re: a/c compressor not engaging By: roy1 on Thu, 11 July 2019 20:40
		Re: a/c compressor not engaging By: Deb on Thu, 11 July 2019 21:10
		Re: a/c compressor not engaging By: Deb on Thu, 11 July 2019 22:02
		Re: [GMCnet] a/c compressor not engaging By: emerystora on Thu, 11 July 2019 23:16
		Re: [GMCnet] a/c compressor not engaging By: Deb on Fri, 12 July 2019 00:00
		Re: [GMCnet] a/c compressor not engaging By: roy1 on Fri, 12 July 2019 00:46
		Re: [GMCnet] a/c compressor not engaging By: emerystora on Fri, 12 July 2019 08:29
		Re: [GMCnet] a/c compressor not engaging By: Deb on Fri, 12 July 2019 13:59
		Re: [GMCnet] a/c compressor not engaging By: Deb on Fri, 12 July 2019 17:01
		Re: [GMCnet] a/c compressor not engaging By: 6cuda6 on Fri, 12 July 2019 18:10
		Re: a/c compressor not engaging By: Chris Tyler on Fri, 12 July 2019 06:06
		Re: a/c compressor not engaging By: Ken Burton on Sat, 13 July 2019 02:14
		Re: [GMCnet] a/c compressor not engaging By: Ken Henderson on Sat, 13 July 2019 06:41
		Re: [GMCnet] a/c compressor not engaging By: Deb on Sat, 13 July 2019 11:23
		Re: [GMCnet] a/c compressor not engaging By: Deb on Sat, 13 July 2019 16:38
		Re: [GMCnet] a/c compressor not engaging By: Ken Burton on Sat, 13 July 2019 23:48
		Re: [GMCnet] a/c compressor not engaging By: Deb on Sun, 14 July 2019 13:58
		Re: [GMCnet] a/c compressor not engaging By: Deb on Sun, 14 July 2019 15:12
		Re: [GMCnet] a/c compressor not engaging By: Ken Henderson on Sun, 14 July 2019 15:41
		Re: [GMCnet] a/c compressor not engaging By: 6cuda6 on Sun, 14 July 2019 16:40
		Re: [GMCnet] a/c compressor not engaging By: Deb on Sun, 14 July 2019 16:43
		Re: [GMCnet] a/c compressor not engaging By: Deb on Sun, 14 July 2019 17:17
		Re: [GMCnet] a/c compressor not engaging By: Ken Burton on Sun, 14 July 2019 17:44
		Re: [GMCnet] a/c compressor not engaging By: Deb on Sun, 14 July 2019 18:59
		Re: [GMCnet] a/c compressor not engaging By: emerystora on Sun, 14 July 2019 14:35
		Re: [GMCnet] a/c compressor not engaging By: Deb on Mon, 15 July 2019 09:55
		Re: [GMCnet] a/c compressor not engaging By: Deb on Mon, 15 July 2019 12:38
		Re: [GMCnet] a/c compressor not engaging By: emerystora on Mon, 15 July 2019 13:22
		Re: [GMCnet] a/c compressor not engaging By: Deb on Mon, 15 July 2019 13:39
		Re: [GMCnet] a/c compressor not engaging By: k2gkk on Mon, 15 July 2019 14:14
		Re: [GMCnet] a/c compressor not engaging By: Deb on Mon, 15 July 2019 14:53
		Re: [GMCnet] a/c compressor not engaging By: Deb on Wed, 14 August 2019 13:53
		Re: a/c compressor not engaging By: jhbridges on Wed, 14 August 2019 15:58
		Re: a/c compressor not engaging By: JohnL455 on Wed, 14 August 2019 17:52
		Re: a/c compressor not engaging By: JohnL455 on Wed, 14 August 2019 17:54
		Re: a/c compressor not engaging By: Deb on Wed, 14 August 2019 18:27
		Re: a/c compressor not engaging By: JohnL455 on Thu, 15 August 2019 11:28

Previous Topic:	[GMCnet] 1978- 23' Birchaven for sale in California
Next Topic:	[GMCnet] Options please

Goto Forum:

-=] Back to Top [=-

Current Time: Wed Jun 26 03:13:09 CDT 2024

Total time taken to generate the page: 0.08209 seconds