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Type: Posts; User: shhvac14

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  1. Replies
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    Drove an hour to do a warranty call on a bread...

    Drove an hour to do a warranty call on a bread oven at a new Subway opening up. Get there and found a three phase unit wired up to single phase service - third power lead left unconnected. Call the...
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    4,382

    A lot of the off-the-shelf detectors won't alarm...

    A lot of the off-the-shelf detectors won't alarm until levels are high enough that people are probably already sick. It may also take several hours for it to respond, too long to use it as a...
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    2,462

    I always thought it would be a good idea to have...

    I always thought it would be a good idea to have one of those but have never pulled the trigger and bought one. Are there any you recommend?
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    2,315

    Actually, every service school I've ever been to...

    Actually, every service school I've ever been to has said larger wire can cause communication problems. Due to the skin effect, the signals tend to travel on the outside of the wire, not straight...
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    460

    The refrigerant the coils use isn't related to...

    The refrigerant the coils use isn't related to DSS, however more manufacturers are using all aluminum coils that under the right conditions have more trouble with DSS. The fact that R410a and all...
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    2,246

    The cheap ones are alright for school but for...

    The cheap ones are alright for school but for anything else I always use Fluke meters. I have the 116 and 902 and they've both been going strong for years. My Fieldpiece HS36 on the other hand has...
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    2,645

    Okay, I'll bite. What rule was he in violation...

    Okay, I'll bite. What rule was he in violation of? All I saw was questions being asked. Not questioning your judgement, just didn't seem there was anything wrong to me.
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    You can go higher than 13 seer. I live in a...

    You can go higher than 13 seer. I live in a mobile home myself and have had a 16 seer unit for the last two years. Not sure why contractor #3 told you 13 seer was the max, maybe it's the equipment...
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    5,296

    We had one like that once that was hit by a...

    We had one like that once that was hit by a tractor. Customer didn't want it replaced, they wanted it fixed... Tried explaining to them you can't fix "destroyed".
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    1,104

    American Standard / Trane were working on a...

    American Standard / Trane were working on a coating for their aluminum coils to help prevent dirty sock syndrome. Last factory service school I was at they said they hadn't quite got it working yet,...
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    1,625

    Then you're in the wrong place as the rules...

    Then you're in the wrong place as the rules specifically forbid DIY work. Plus assuming an AC company is going to rip you off without even calling them out is a bit insulting as most of us WORK FOR...
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    1,625

    I agree. This could be caused by a number of...

    I agree. This could be caused by a number of things. Only a technician on site will be able to diagnose it for you. You could be wasing a lot of time in dangerous heat trying to fix it yourself. ...
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    3,207

    I honestly wouldn't run the system in the...

    I honestly wouldn't run the system in the condition it is in. If the discharge line right at the compressor is leaking, it will push the refrigerant out at very HIGH PRESSURE-this is why clamps and...
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    654

    If you have the 90 second delay on you may get a...

    If you have the 90 second delay on you may get a little more cooling from the coil, as it is still relatively cool. On the other hand, if the coil is no longer below the dew point instead of...
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    18,900

    If the air coming from the condenser is not hot...

    If the air coming from the condenser is not hot or warm you may be hearing the compressor trying to start but it will stop after only a few seconds as the overload opens and shuts it down. The...
  16. Thread: FlexSeal

    by shhvac14
    Replies
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    1,757

    I wonder how easy it is to remove after someone...

    I wonder how easy it is to remove after someone sprays it all over their system to try and fix water/air leaks...
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    There could be many causes, but the problem it is...

    There could be many causes, but the problem it is referring to is the internal overload of the compressor. It may be overheating, not starting, or stalling out. If you are a homeowner there is...
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    1,954

    If that makes you're shop little, then my shop is...

    If that makes you're shop little, then my shop is bearly a blimp on the map. :) Needless to say, we don't have a spiral duct machine.
  19. Replies
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    Hey, I was just responding to what was in your...

    Hey, I was just responding to what was in your post. You said you cleaned an already clean coil and added refrigerant THEN let it run to see what your SH/SC values were. If it was a mis-type then...
  20. Sounds like the overall opinion is fairly...

    Sounds like the overall opinion is fairly positive. If you're asking because you're thinking about having one put in, keep in mind the install is very important. I don't see many Ducane's around me...
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    429

    I just spec'd out a mini-split system for a...

    I just spec'd out a mini-split system for a customer, everything the same except one was a heat pump and the other an A/C. The cooling values were different, but just by a couple hundred BTUs one...
  22. Replies
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    1,118

    You cleaned the coil even though it wasn't dirty,...

    You cleaned the coil even though it wasn't dirty, and you added refrigerant before you knew what your SH/SC values were. There are many things that may cause a frozen coil but just doing things...
  23. They might not have the time delay in the unit...

    They might not have the time delay in the unit itself, but every digital thermostat that I've installed or worked on has had a built in time delay (usually five minutes). Sometimes it can be shut...
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    2,107

    Not trying to be mean to ya, but you posted a...

    Not trying to be mean to ya, but you posted a question on one thread that was already started, then posted the question in another thread you started, and you have a third thread that you said you...
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    2,107

    I'd like to help ya, but you must have missed the...

    I'd like to help ya, but you must have missed the rules. We aren't allowed to give DIY advice on here. The best anyone can do for you is tell you to call a professional, which I would recommend as...
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    I would highly recommend AGAINST oversizing to...

    I would highly recommend AGAINST oversizing to help with heating. Your humidity removal in the summer time will not be what you want. You want to size the heat pump for cooling load, not heating...
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    1,053

    If you had a tech that released refrigerant to...

    If you had a tech that released refrigerant to the atmosphere, I think it's time to get another service company. Not only is it illegal, but if he cuts corners doing the job the right way there, who...
  28. Replies
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    To answer your question, yes, you can have your...

    To answer your question, yes, you can have your thermostat wired to an outside sensor and use it to shut down the heat pump at a certian temp (restricted) or leave it unrestricted. I have the same...
  29. Replies
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    998

    You would only want 9cph on an electric heat only...

    You would only want 9cph on an electric heat only system or electric aux heat. For a heat pump, AC, or gas furnace we usually set it to 3 or 4 cph...9 could lead to premature wear and tear on those...
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    Sounds like you may need to go back and read the...

    Sounds like you may need to go back and read the site rules...
  31. Replies
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    2,256

    Trane/American Standard furnaces are "assembled"...

    Trane/American Standard furnaces are "assembled" in Trenton, NJ...Heat Pumps and ACs in Tyler, TX...Not sure about the air handlers. Not sure where all the parts are actually made, though.
  32. Thread: AC allergy?

    by shhvac14
    Replies
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    854

    Do you happen to have an electronic air cleaner?

    Do you happen to have an electronic air cleaner?
  33. Replies
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    3,436

    I've had two carriers that gave the same error...

    I've had two carriers that gave the same error codes (minus the open contactor) because of failed TXVs that were not opening, causing very high superheat and eventually the compressor shut down on...
  34. Replies
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    1,895

    A weak capacitor is easy to diagnose, you don't...

    A weak capacitor is easy to diagnose, you don't need the compressor running to do it. The only way I know to diagnose a bad expansion valve without the unit running is if there are parts broken...
  35. Replies
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    My first one just up and died, no display,...

    My first one just up and died, no display, nothing after a few weeks of use. Sent it in and after several months (distributor loosing it, not YJ's fault) I got it back and it's worked for one...
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    I've ran across a couple of Infinity controls...

    I've ran across a couple of Infinity controls that have failed by just going blank...but there are several things that could cause this, not just a bad control. Sounds like you've already done what...
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    I fail to see how heat strips could affect...

    I fail to see how heat strips could affect subcooling...
  38. Thread: ptack units

    by shhvac14
    Replies
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    343

    Call someone to come out and look at them. ...

    Call someone to come out and look at them. There's not much we can do from here, especially with the info provided...
  39. Replies
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    2,963

    Well...I wouldn't say I get pushed around. :) ...

    Well...I wouldn't say I get pushed around. :) But you make a good point...
  40. Replies
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    2,963

    Never said I liked it...I've only done it when...

    Never said I liked it...I've only done it when the customer said they want it done. I don't even offer it but a lot of them seem to already know what it is (thank you internet). I be sure to...
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    2,963

    We've used that stuff a few times when the...

    We've used that stuff a few times when the customer has specifically requested it. Of the six or seven that I've done, I can only think of two that still have a working system. It shells out...
  42. Replies
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    1,593

    Running at one speed for a single stage AC is...

    Running at one speed for a single stage AC is normal. Your furnace will be set to whatever airflow is required for your size of air conditioner - usually about 350-400 CFM per ton of cooling. You...
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    You say someone has cleaned the outside coil, but...

    You say someone has cleaned the outside coil, but if the smaller refrigerant line (called a liquid line) is still very hot to the touch there is something wrong. A little warm, O.K. but not too hot...
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    615

    "Dry charge" just means that there is no...

    "Dry charge" just means that there is no refrigerant in the unit, just nitrogen. Everything else is the same, ready to run after it's been installed, evac'd and charged. No oil needed.
  45. Replies
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    themetalhead, you were asking a very general...

    themetalhead, you were asking a very general question. We give advice and such on here, but we're not going to teach you how to diagnose a compressor or do your job. There is great info in the pro...
  46. I really don't like where this is going...

    I really don't like where this is going already...smells like a setup.
  47. Sorry, but this is not a DIY site. Besides,...

    Sorry, but this is not a DIY site. Besides, there is just too much that could possibly be wrong to have any idea what it might be without seeing the unit. The best I can do is tell you to check...
  48. Replies
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    The more air you loose to leaking ducts the more...

    The more air you loose to leaking ducts the more hot outside air will be pulled in through leaking windows/exhaust fans/doors and such. Even if your system is working perfectly you'll still be hard...
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    1,247

    I'm not sure exactly what it costs to fill up an...

    I'm not sure exactly what it costs to fill up an acetylene bottle here, but we've been told by our supplier to begin switching to propelyne. They told us there are shortages in acetylene and it's...
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    I would not be giving adivce to check...

    I would not be giving adivce to check voltages/amp draws on high voltage in the open forums. No offense to chillbill2011, but we don't know his level of skill and recommending he check those things...
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