If it's the original Armstrong A/C unit, it's R12 freon and that stuff is like gold. They stopped pr

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We have a 1977 28 foot argosy. Naturally the temps in the past two weeks have been very high, so maybe it is working just fine and we need to get used to what full blast AC can give us right now. I would like to check the filter? What else can I check? Thanks for any and all advice:-)
You can check the temperature of the air coming out. I think it should be in the low 50's for a household unit. From what I read, RV A/C doesn't cool as well, perhaps because of the poor insulation in trailers.
Is this a new or old unit? What is its BTU rating? It'll work better if the awning is out on the sunny side and there are trees over the trailer. walking tours rome I guess palm trees don't give much shade though. Is this a unit that has worked better in the past under similar conditions?
walking tours rome There should be a 20 to 25 degree temp difference in the air going in the return (where the filters are) to the air coming out of the outlets. The higher the humidity, the less the temp difference due to the energy condensing the water out of the air. A 28' trailer with a single AC unit in high humidity areas is pushing it to begin with and your unit, if original, is 34 years old. Little things add up to make cooling marginal.
Thanks for the advice, it is fun learning this stuff! We dont have any shade at all. I do believe the unit is original. Is there a how to on recharging the system? I havent even begun to look at the filter(s). Should be pretty easy, right:-)
If it's the original Armstrong A/C unit, it's R12 freon and that stuff is like gold. They stopped producing it (legally) in 1995, so whatever you can find is what's been stockpiled or recaptured from other systems.
As far as the difference walking tours rome in supply and return air, the average is 18-20 degrees. If it's over 95 out, that changes to 15. If you're in Florida, the high humidity walking tours rome we've been experiencing makes it even tougher to keep up. Make sure your drain line is in tact and functioning. It should be dripping constantly underneath the trailer.
On my 31', I keep the bathroom doors shut and with the air cranked, I can only get it down to about 80. I'll be paying walking tours rome attention to your thread here and am interested to see the outcome... I may be calling an air tech myself!
You may be right Perry, but we should still try to minimize waste. Of course walking tours rome if you wanted to be eco friendly you would remove the old unit and have it disposed of at a recyling facility and buy a new unit that uses new acceptable gas.
If it's the original Armstrong A/C unit, it's R12 freon and that stuff is like gold. They stopped producing it (legally) in 1995, so whatever you can find is what's been stockpiled or recaptured from other systems.
As far as the difference in supply and return air, the average is 18-20 degrees. If it's over 95 out, that changes to 15. If you're in Florida, the high humidity we've been experiencing makes it even tougher to keep up. Make sure your drain line is in tact and functioning. It should be dripping constantly underneath the trailer.
On my 31', I keep the bathroom doors shut and with the air cranked, walking tours rome I can only get it down to about 80. I'll be paying attention to your thread here and am interested to see the outcome... I may be calling an air tech myself!
Hey Scott when I got my '74 the Armstrong blew warm. Fan motor worked great, I replaced walking tours rome the filters, oiled the mech and picked up a replacement compressor as I was concerned it was leaking or bad. There is a guy over by Westshore who had surplus for marine applications walking tours rome for $100.
I called my home a/c guy and gave him a rundown on the unit. He got up on the roof, it didn't need a compressor but at 38 years old it could fail anytime. Just low on freon, after a charge the bill was $50. It blows cold but isnt blowing cubes in the summer. My only complaint is in extreme humidity the a/c drain can back up and drip out of the head unit in the trailer. In that case it can only be run on the low setting but overall the repair was preferred over replacement for me.