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Old 08-16-2011, 06:52 PM   #16
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The milli ohm reading that you gave is also an indication the overload is open. It will usually reset after the compressor cools down, but not always. Especially if it has opened a number of times.
A good technician will let you watch what he does and explain his readings, and what it means. In my opinion, when a tech complains about a customer watching, he does not have the confidence in his abilities to properly diagnose or repair the system.

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Old 08-16-2011, 08:20 PM   #17
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Quote:
Originally Posted by Master of Cold View Post
The milli ohm reading that you gave is also an indication the overload is open. It will usually reset after the compressor cools down, but not always. Especially if it has opened a number of times.
A good technician will let you watch what he does and explain his readings, and what it means. In my opinion, when a tech complains about a customer watching, he does not have the confidence in his abilities to properly diagnose or repair the system.
A pro was out today that didn't mind me watching at all. He didn't have his megger with him as this was a sales call about a new system, but he didn't hesitate to pick up my multimeter to ohm the windings and immediately found a short to ground.

He explained the pros and cons of replacing the old 10 SEER condenser with a Goodman and keeping the old airhandler, getting an entire new Trane XB 13 SEER system, or popping for the Trane XLi 16 SEER with some bells and whistles.
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Old 08-16-2011, 08:31 PM   #18
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I would opt for an xr14 unit. Better warranty and is eligible for 10yr p&l warranty
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Old 08-17-2011, 12:40 AM   #19
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I will look into that. The guy I was speaking with today was talking about a 10 year p&l warranty, but that may have only been on the XL16i per the literature he left. The XB, including both the XB13 and the 14 both appear to have 5 year warranties, except for the compressor which is 10. The XLi has 10 year warranties, except 12 on the compressor. Nothing says if it is parts or parts an labor but I will look that up on line if possible. If not I will ask the tech. (The proposal includes 10 labor, 10 parts, and 12 on the compressor. I believe the quote he gave includes the extended warranty. I will have to see if it is assignable should we sell.)

Actually he was talking about an XB13 and I see that you mentioned the X"R"14. Looking on line I see there is such an animal as the XR14 and it has a better warranty than the XB14.

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Old 08-20-2011, 08:40 PM   #20
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[quote=Master of Cold;708786]The milli ohm reading that you gave is also an indication the overload is open. It will usually reset after the compressor cools down, but not always. Especially if it has opened a number of times.
quote]

Where would I find the "overload"? I didn't even know my system had such a thing. Is it an sealed -n internal part of the compressor?

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Old 08-20-2011, 09:01 PM   #21
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Its inside the compressor. You would have to cut the compressor open to see it.
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Old 08-20-2011, 10:32 PM   #22
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I sometimes have people follow me around a little too close for comfort sometimes and it's annoying, especailly when they don't stop yapping and complaining. I don't mind it if folk follow me around as long as they don't thnk they know it all and as long as they give me my space.

If you know what is what and you've checked it yourself than why'd you call us in the first place? You fix it.
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Old 08-20-2011, 11:01 PM   #23
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Its inside the compressor. You would have to cut the compressor open to see it.
I'll take your word for it bing inside the compresor. Anyway, like you said it popped the breaker many times now and is unlikely to reset.

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Old 08-20-2011, 11:23 PM   #24
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I sometimes have people follow me around a little too close for comfort sometimes and it's annoying, especailly when they don't stop yapping and complaining. I don't mind it if folk follow me around as long as they don't thnk they know it all and as long as they give me my space.

If you know what is what and you've checked it yourself than why'd you call us in the first place? You fix it.
I hear you and don't intend to try to micromanage what the HVAC guy does, which is why I am being careful selecting someone to do a proper job for a fair price.
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Old 08-21-2011, 12:01 AM   #25
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I hear you and don't intend to try to micromanage what the HVAC guy does, which is why I am being careful selecting someone to do a proper job for a fair price.
I understand the viewpoint of the customer as well, you want and need someone intelligent who's going to do a good job.

I said what I said because a few days ago I had a lady tell me what was wrong with her system. She followed me into the attic and everywhere, telling me her diagnosis to try see if I knew what I was doing as if she was the most experienced hvac technician the world has ever known. I mean she was annoying something fierce.

"The furnace blower motor is out, it's blowing warm air." Huh? How can it be out if it's blowing?

It ended up being nothing more than the run cap for the condenser fan.

The best bet, check the BBB and ask for referances.
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Old 08-21-2011, 12:06 AM   #26
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Thermal overload. A compressor can begin to overheat so at a certain temperature the thermal overload switch opens, like turning a light switch off. It simply internally cuts the motor off to protect it from burning out.
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Old 08-21-2011, 12:07 AM   #27
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I always thought the BBB was a paper tiger and the thing about references is that no one is going to tell you to call the guy who's job was botched. For that matter, the guy that complains the most is often the guy that got a great deal and is just a PITA.
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Old 08-21-2011, 12:13 AM   #28
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Where do you live, what city?
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Old 08-21-2011, 12:14 AM   #29
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Thermal overload. A compressor can begin to overheat so at a certain temperature the thermal overload switch opens, like turning a light switch off. It simply internally cuts the motor off to protect it from burning out.

Makes sense. This thing was in use for about a month this season about 8 hours in the late afternoon and evening. Then it was on for an afternoon and overnight when it really got hot. I shut it off the next morning and whenn I went to start it 8 hours later it immediately popped a breaker.
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Old 08-21-2011, 12:14 AM   #30
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Where do you live, what city?
Foothill Ranch which is in Orange County, California.

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