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  1. Replies
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    An oil change never hurts but it sounds like an...

    An oil change never hurts but it sounds like an issue with your manifold/hoses. Sometimes you have to resort to the shotgun method of troubleshooting. First, make sure your gaskets/O-rings are in...
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    2wings, just apply for pro membership man. You...

    2wings, just apply for pro membership man. You catch some flak around here sometimes. It's no big deal. Just the internet. The guys in the pro forums know their stuff. Helped me out numerous times....
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    I bought a fluke 902 a few years ago. I think...

    I bought a fluke 902 a few years ago. I think it's a solid meter. The only issue I ran into was that after 2 years of use I noticed the temperature readings were off by about 6 degrees. There's no...
  4. You make a good point there man.

    You make a good point there man.
  5. Ha! I carry around one of those faucet to garden...

    Ha! I carry around one of those faucet to garden hose adapters in the hopes of getting a hot water supply in freeze up situations. Still can't seem to keep from making a mess though. The last ice...
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    If it were me, I'd install the liquid line...

    If it were me, I'd install the liquid line solenoid. It's just better for the longevity of the system, as others have pointed out. This will also save you from pulling wire to the condensing unit at...
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    Last time I was on call I get woken up by the...

    Last time I was on call I get woken up by the service informing me that one of our store's Walk-in freezers are down. Call the store, temping at 30*. Have her walk inside the box, fans are not...
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    I was talking about purging with nitrogen while...

    I was talking about purging with nitrogen while you are brazing. If you are, be wary about the pressure flowing through the system potentially making the system have a higher pressure than...
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    Dipping your rag in the bucket then wringing it...

    Dipping your rag in the bucket then wringing it out over the fitting would be the only way you are going to introduce moisture to the system, barring a thunderstorm. Focus on the melting point of the...
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    I'm curious about what prompted the other tech to...

    I'm curious about what prompted the other tech to change the TXV in the first place? What symptom made him reach that conclusion? It seems that the decision to change the power head and not the valve...
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    This....X2....He knows what he's talking about.

    This....X2....He knows what he's talking about.
  12. Replies
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    4,440

    Cool gel works really well. Self contained...

    Cool gel works really well. Self contained equipment is always tight. Without cool gel it usually seems to end up smelling like a tire fire.
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    You could try a rosebud tip. I use mine quite a...

    You could try a rosebud tip. I use mine quite a bit. If your brazing rod is sticking then you aren't running your torch hot enough. Like Jason12000 said, the flame will turn green when the copper is...
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    Single phase thermal OL will open S and R to C....

    Single phase thermal OL will open S and R to C. Three phase will open all three windings. A few years ago I responded to a follow up call to replace a compressor which was condemned by another tech....
  15. Anytime a variable speed blower motor fails, the...

    Anytime a variable speed blower motor fails, the customer, when given the option, will opt to replace it with a conventional blower motor. The cost, with the additional contactor, pales in comparison...
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    Question Answer I think you may...

    Question



    Answer




    I think you may be confusing capacity with efficiency. When a unit is brand spanking new, you should expect capacity to be as advertised by the manufacturer (assuming...
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    What "Beenthere" was correcting me on was the...

    What "Beenthere" was correcting me on was the system capacity; the systems ability to absorb heat from the occupied space and reject it to the outside space. Assuming we are talking about a system...
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    You are correct. 95 degrees is the maximum design...

    You are correct. 95 degrees is the maximum design condition. Condensers operate more efficiently below the maximum design conditions. Although, theoretically, capacity should not change until you...
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    ....In the northeast all units, regardless of...

    ....In the northeast all units, regardless of refrigerant, have a capacity loss at 95 degree outdoor ambient.
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    It rarely reaches 95 degrees around here. But I'm...

    It rarely reaches 95 degrees around here. But I'm curious about this capacity loss. We have been swapping out R22 units with R422D. Both comfort cooling and medium temp refrigeration. I have noticed...
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    Regarding condenser split, it will vary,...

    Regarding condenser split, it will vary, slightly, based on ambient temp and evap load. A 12 seer unit should have an approximate 20 degree condenser split. As others have stated, mid to low teens is...
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    A bad condenser? Need a little more information....

    A bad condenser? Need a little more information. What is the Delta T across the evaporator? Suction pressure? Superheat? Head pressure? Was the system previously able to keep the occupied space below...
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    After reading your posts, I agree, It does seem...

    After reading your posts, I agree, It does seem counter intuitive to think that non-condensible gases would increase subcooling. I've never run into a unit with that problem so this is all a thought...
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    How much is that really going to change the...

    How much is that really going to change the direction of the country? I don't mean to sound cynical, but do you REALLY think that Obamacare would be repealed or that the fiscal policies are really...
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    I transitioned to commercial refrigeration after...

    I transitioned to commercial refrigeration after years of strictly HVAC work, resi and light commercial. The stress level is definitely higher when you have a customer with a fully stocked walk in...
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    Look Gib, (I actually play a Gibson, it's only a...

    Look Gib, (I actually play a Gibson, it's only a studio but I like it) maybe you misinterpreted my post, I meant no disrespect to RoBoTeq. I enjoy reading his posts, as I find them interesting. I...
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    I have limited experience with different brands....

    I have limited experience with different brands. I had Dewalt for a while and switched to Porter cable. The general consensus is that the Ni-cad batts last appx 5 years and you get about 2.5 years...
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    It was disgusting because, well... it was! There...

    It was disgusting because, well... it was! There are many diseases that can be spread this way. The existence of microbes was unknown at this time but I would suspect that people were somewhat aware...
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    I am loving the 570. And I appreciate your...

    I am loving the 570. And I appreciate your correspondence. The one thing that I take issue with is the software. Why is it not included with the hardware?
  30. Replies
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    It was called a spongia. And yeah, It was...

    It was called a spongia. And yeah, It was disgusting.
  31. Replies
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    I'm going to bite on this, as i find it extremely...

    I'm going to bite on this, as i find it extremely annoying. First of all, Mithra was the original Jesus. Okay, let's get that straight. The Romans were trying to appeal to the pagans so they altered...
  32. Replies
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    Even one US corporation who is evading taxes is...

    Even one US corporation who is evading taxes is equal to thousands of individual citizens living solely on entitlement programs. Parasites on our paychecks. It might sound heartless, but if people...
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    You seem to have overlooked the point. I'm...

    You seem to have overlooked the point. I'm talking about what they actually pay. You provided one example; Ingersol Rand. But they didn't move from the US to Ireland, they moved from Bermuda to...
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    Testo 570 built-in Vacuum gauge

    Does anyone have any experience with this? I'm curious about it's accuracy. I have only used it once so far. It was on a walk in cooler. Out of curiosity I put my Yellow Jacket 690 on the pump (in...
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    This is just absolutely false. 35% is a nominal...

    This is just absolutely false. 35% is a nominal tax rate. And while it makes for a good talking point, it is meaningless compared to the effective tax rate. To put it simply; the effective tax rate...
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    Really? I'm in PA, I don't have any friends...

    Really? I'm in PA, I don't have any friends working at the federal level but state prevailing wage ALWAYS pays significantly more.
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    Against my better judgement, I'll inquire about...

    Against my better judgement, I'll inquire about your understanding of communism and why you think Obama is a communist. That's new to me. Back in 2008 "socialist" was the talking point the media was...
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    Again, this is simply not accurate. Reagan...

    Again, this is simply not accurate. Reagan entered office and was on a tax cutting rampage. The deficit grew as well as unemployment reaching 10.8%. Once he realized that he needed to address the...
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    I understand this too...sort of. Unless I'm on...

    I understand this too...sort of. Unless I'm on call, I always work day shift. They've never asked me to come in at night. And a lot of the time I'm out of the way of any customers whether it's PM'ing...
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    I guess you're right about the unmarked mark...

    I guess you're right about the unmarked mark truck thing. I would imagine, being in regular clothes might be a little strange if an employee wonders what that guy (who looks like a customer) is doing...
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    undercover service techs

    I spoke to a manager at one of our stores today who is friends with a manager of a Sheetz store (large chain of convenience stores in PA). He told me that Sheetz has an in-house HVAC/R crew that are...
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    This isn't entirely accurate. The market was a...

    This isn't entirely accurate. The market was a little more than shaky. The junk loans had already been divvied up and sold by private firms who knew they were selling garbage. But the stage was set...
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    Probably a good way to get bailed out. At whose...

    Probably a good way to get bailed out. At whose expense though?
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    A simple question

    Does anyone really think that this country is going to change under a different president?

    The biggest freeloader of all is government. Who else does does so little work and demands so much money?...
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    Things that will happen this year: "Sales of...

    Things that will happen this year:

    "Sales of Mayan Calendars up for 2012, drop for 2013"

    -Joe Bodolai
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    Oh man, just imagine the potential dumbassery to...

    Oh man, just imagine the potential dumbassery to ensue after all that carbon monoxide was done cooking his last couple brain cells.
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    I agree with Smurphy. Unless you want to...

    I agree with Smurphy. Unless you want to guarantee a call back, avoid the copper bullet style driers.

    And much like 2Sac said; keep that oil from cooking! (clean condensing coil)
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    Oh, sorry Testo 570. I read that they abandoned...

    Oh, sorry Testo 570. I read that they abandoned the wireless temp probe option on these because of the inaccuracies/interference/range problems they had with the 560.

    I'm not endorsing any...
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    Change of heart

    Regarding digital manifolds...I received one as a gift from my father (unexpectedly) for Christmas. Although one of the other techs in my Co had one that I had dealt with briefly, I had chalked it up...
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    Poll: A turd herder, I am not. No plumber hate here,...

    A turd herder, I am not. No plumber hate here, those guys know their sh!t (no pun intended). Electrical kind of comes with the territory as well as basic plumbing skills. Working with an in house...
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