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Was the “uv light” installer at the same time as the coil or added after the odor started?


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For what it is worth,, I enjoy old threads… especially the really old ones.. it jogs my memory and I have more experiences since the posting and offers myself an different perspective.. but that’s...

I think it is called a box assembly maybe? They also had a issue years ago where there was no insulation behind the chute and it would condense on the back but those were rare.


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My money is on a dirty blower wheel.


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Coyote urine or something?


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Cut it out and replace. I wouldn’t want burned up gasket in there. I have however removed the o-rings and brazed the fittings in a pinch


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I pick my battles personally… I had a pleasant conversation with an electrical inspector recently regarding convenience receptacles for air conditioning units. He was animate that they were exempt in...

Looks like rls (OG sporlan zoomlock) fitting to me. Pressed properly, I would like to have seen the fitting cleaned with scotchbrite before pressing and an insertion depth marked but…
We have...

Personally I would gently rinse it off then mix up a little dish soap and water in a spray bottle and spray it on. If she bubbles there is a leak. If no bubbles then go from there..

Rinse the...

They all are anyways


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I love their flaring tool but I had a early model navac that was terrible. It would not pump down as I would like. I contacted their rep a couple times with zero response and pretty much will never...

I’m pretty sure every mini split lineset I have used is the cheap ones. Sadly they all seem to be garbage compared to years past


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If you plan on moving in the next 5yrs then replacing just the outdoor unit may make sense depending on how much of a gambler you are at the casino.

Compressor failures, coil leaks,, for me I...

I put a Goodman r22 (I had opted OG then) and 95% 2 stage I installed 16yrs ago. As for problems,,. I think I maybe cleaned the flame sensor once?


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Electronic air cleaners work great for smoke and some particulate with an *. They need to be cleaned every 30 days and they need to be powered continuously with a continuous fan speed. Since they...

I’m going to take a guess.. 30x32x2


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I run into this a few times with duct cleaning. The guys will remove the side wall grills, clean the duct and reinstall in the 180° orientation. If they are on a wall using the wall cavity the air...

I would guess it is a 16x14 grill and it would be recommended to keep the airflow at 400-500 feet per minute max to reduce noise. So the grill should be good for about 500 cfm.
Your system likely...

What size duct leads to those (6) grills?
Are they filter grills or no?
If they are filter grills hoe restrictive are the filters?
Is the grill on upside down? (Meaning if the air goes down are...

The noise is due to excessive velocity of air passing through the slats. It is kind of like a musical instrument that makes noise as you blow air past the holes. You need to lower the velocity of air...

I would stick to 1 brand of outdoor unit and indoor coil. If you wanted an aluminum coil, I would switch brands


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When you said “leaking” with a down flow coil my mind went to leaking water as it is far more common in downflow (thus the mobile home question as they have that application).
In my opinion, an all...

Is this a mobile home application?


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Do you have a nest thermostat by chance?

As previously suggested, turn the pilot off in the summer if you wish. They had a lot of problems with that model with pilots going out. There was an...

I would be curious as to how this pans out


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Any idea what “VA” the transformer is?


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The thin 18 gauge wire inside your ac is not a ground. In fact you can cut it and let it hang in the wind at each end. It is to ensure continuity of your armored ground sheath and also to reduce eddy...

Nbic? What is the acronym?


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I have been doing this 25yrs residentially and have pretty much exclusively used a jb up until recently when I converted to a fieldpiece.

I never use the ballast and I change the oil maybe every...

The more the foil, the more the oil the longer it lasts


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Call the company that installed the compressor back and let them deal with it. It should be their problem too


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For me bluvac is the only option


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It would typically be set up through the contractor and the distributor through Mitsubishi. That is how it works around here. The distributor typically will have a technical rep that has the ears of...

Perhaps you request a Mitsubishi rep to make a visit with the installing contractor to review the installation and setup?


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Sw1 1-5 would have been my guess


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G is an output from the stat. By checking g to r you could be measuring voltage back-feed from the stat, board or both. it is a useless reading


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The outdoor unit is charged with enough refrigerant for the outdoor unit and the branch box. Additional charge is required for the indoor units as the lineset length. Perhaps this was not added,,,...

If you trust them, replace it.


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Paranoid. Around these parts the new refrigerants are not even stocked by residential companies (yet) I would stick with 410a personally


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The heatpump should cease to operate when either of the 2 items below exist

-the heatpump cannot add enough heat to maintain temperature in the home
-the electrical cost of operation exceeds...

When it shut off did it reach temperature? When it was off was the temperature indoors climbing and climbing?


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If it is running and not getting below setpoint than I would say it is normal. After all it is maintaining the temp you desire and if it shuts off it will be too warm


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Well.. I would personally look at the main stat/hub first. Might be worth a shot having the contractor reset to factory default, power down, power up and see if it will connect to Wi-Fi. Have you...

I would be SUPER careful with nylog around the micron gauge. Bluevac is by far bar none the best (I have 4) but I’m told nylog is it’s nemesis


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A tech has a job, a mechanic has a career


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Generally speaking the arrow for direction is to help keep the filter together due to construction. If it is in backwards it can pull the filtering material off and essentially stretch it out. As for...

Coming for the northeast where almost everything is “hard ducts” I would be curious as to why a variable would not work with them. Never heard of such a thing. Someone talking themselves out of a...

A good rule of thumb for an average home would be to have a number the same as or less than the square footage. The lower the number compared to square footage the tighter the home
If you were to...

When did this start occurring?
How long have you been in the home?
Is your air filter impacted with the fibers?
How old is the home?
Have you had insulation or remodeling done recently?
Do...

If it was generated indoors I would be concerned why so much was in the garage. That means air movement between the 2 areas that should not have movement


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