CLIPPERGUY
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Re: Carrier A/C Compressor making a humming noise
In frustration I replaced the Carrier with a Coleman Mach 15. The switch was pretty easy when you use the Carrier to Coleman conversion kit. The RV shop wanted to charge me 250 dollars to make the switch. I took my time but easily could have made the switch in less than 1 hour. Needless to say I took pleasure in throwing the Carrier unit from the roof to the ground. I figure I would make the switch and not be worried about my ac unit going out while I was on a trip with my family. Thanks again JD for all the information. I did learn a lot from this project.584Views0likes0CommentsRe: Carrier A/C Compressor making a humming noise
Here is the photo of the capacitor. This project has turned into a real pain. I don't think I will ever buy anything with Carrier in the name. As you can see the capacitor is 12/45. I tried to locate one and it's difficult to locate. The manufacturer of the capacitor has a website that is not too appealing.584Views0likes0CommentsRe: Carrier A/C Compressor making a humming noise
Great info JD. My compressor does get hot. How hot are the compressor suppose to get? After a short time running mine is almost too hot to touch. I talked to PPL and the replacement capacitor is 90 and available from a outfit in California.586Views0likes0CommentsRe: Carrier A/C Compressor making a humming noise
So I was able to locate the service manual online for my unit. http://www.transportaircon.carrier.com/Files/Bus/Local/US-en/T298.pdf It details how to discharge the capacitor. It also mentioned a PTC: Positive Temperature Coefficient Thermistor (PTC) (Start Thermistor) It doesn't show what it looks like but I recall seeing a little black canister in the control box with the capacitor. If it is, I guess I have to test and/or replace that too. Since Carrier no longer makes or service these units I will post post the Owner Manual and Service manual for others. I will do it in a separate thread.584Views0likes0CommentsRe: Carrier A/C Compressor making a humming noise
I did look at the capacitor. There is only one that i saw which shows on the diagram in the manual. I will take pictures to get the specs to get a replacement. PPL is hear in Houston so I will get the capacitor and see what happen. It is easy to access and replace. Long shot but cheap compared to a/c replacement. I saw other post about discharging the capacitor so I will consult my neighbor. I will post results584Views0likes0CommentsRe: Carrier A/C Compressor making a humming noise
My neighbor came by but he was not very much familiar with RV air conditioners. He used his wrap around gauge to measure flow to the compressor. He said the electrical flow was good and perhaps the bearing are bad in the compressor. I've re-read the feedback provided and I'm leaning toward testing/and replacing the capacitor but it appears that it's function is starting the compressor as oppose to running it. Thoughts? Here is the manual for my ac. It contain the wiring diagram and other info. I have the Standard Unit http://www.transportaircon.carrier.com/Files/AirV/Local/US-en/customer_service/99-00469-00.pdf226Views0likes0CommentsRe: Carrier A/C Compressor making a humming noise
Funny you mentioned leak from rust. While looking at the unit, I noticed that water is accummalating at the rear of the unit where the fan turns. I don't see a drain but will look closer and drill a small hole to allow drainage if a drain port doesn't exist. At any rate, while the compressor is on, I noticed what look like bubbles from the pool or water. I attributed it to the fan turning becuase the pool is at the base of the fan blade. I neglected to turn off the compressor and see if the bubbles still appeared. I'm going to do that before he comes to see if I have leak in the system. That may save him some troubleshoot time. I suspect if there is a leak it wouldn't be cooling and the freon would have leak during a single use. I noticed the noise a few trips back. I will report out the results226Views0likes0Comments
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