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Type: Posts; User: surenuff

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  1. Replies
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    Thanks a lot for taking the time to set me...

    Thanks a lot for taking the time to set me straight.
  2. Replies
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    This is BEST practice on filter grills. That...

    This is BEST practice on filter grills. That rule of thumb of 144 Sq. in./ton has undersized Soooooooo many return grills all over
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    8,382

    He was talking about increase in FPM not CFM

    He was talking about increase in FPM not CFM
  4. Replies
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    548

    I have to go with Poodle and Circus here on...

    I have to go with Poodle and Circus here on suggesting a good 80% furnace with a PSC blower. There is nothing wrong with a 90+% furnace, but they are more expensive, and they have a lot more...
  5. More airflow through the evaporator could very...

    More airflow through the evaporator could very well equal more moisture removal than before. It would help us to give you a better answer on ducting if we had a little more info. How about a brief...
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    452

    It is funny how we sometimes pay so close...

    It is funny how we sometimes pay so close attention to something that is new to us. I bet that the fact that it is new, and you don't have a door on that closet yet is what is making it stand out to...
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    1,039

    Thanks. I am looking to buy the carrier motor...

    Thanks. I am looking to buy the carrier motor simulator which is supposed to interface between the control board and the motor and provide additional LED codes for troubleshooting. Right now, the...
  8. Replies
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    1,039

    Infinity/Evolution 2.5 ECM toubleshooting

    Hey guys.!!!! Been a long time since I got on here. I have a question that I am sure has been hashed out here before, but I can't find info on a site search. I am looking for info or a specific...
  9. Replies
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    2,286

    Lennox tech I have an older XP21 with driver...

    Lennox tech I have an older XP21 with driver board for condenser motor. My motor is not running. How do you use. Nine cold battery to check the motor and board?
  10. Replies
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    813

    Installation is everything. A properly installed...

    Installation is everything. A properly installed system that has the correct airflow should and will most likely give many years of good service. As far as replacement parts, and availability, it...
  11. Replies
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    5,479

    Charging a unit based on pressures is not the...

    Charging a unit based on pressures is not the thing to do.
  12. Replies
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    6,693

    It is true that you can read different...

    It is true that you can read different publications that will give different rules for changing out caps. I too have read information that will say you can go up but not down, some say 10 percent up...
  13. Replies
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    1,381

    A wise friend told me one time that you can't be...

    A wise friend told me one time that you can't be the best and the cheapest. I do everything for a reasonable rate, and do the best I can at it. I try to be professional and efficient. But my time,...
  14. I had a compressor one time that would trip the...

    I had a compressor one time that would trip the breaker and I would get called out. By the time I got there, the compressor was cooled down and would check out fine in every way. I would reset the...
  15. Replies
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    756

    A heat pump unlike a regular a/c operates at very...

    A heat pump unlike a regular a/c operates at very low out door air temperatures. during low ambient temperatures, the refrigerant in the system will tend to migrate to the lower temperatures of the...
  16. Thread: TXV Question

    by surenuff
    Replies
    11
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    1,889

    I have seen txv's leak through the external...

    I have seen txv's leak through the external equalizing tube before. But if it is leaking through the external equalizing tube, then the valve itself will not be able to control this in anyway...
  17. I do not know of any factory training, but I am...

    I do not know of any factory training, but I am sure they have it. I have worked a lot on these different ice cream machines and I find that if you have a pretty good background in refrigeration and...
  18. Thread: Low coolant?

    by surenuff
    Replies
    7
    Views
    858

    I guess now that I would like to have them...

    I guess now that I would like to have them explain to me how a "bad" compressor is capable of icing up the evaporator. Now it is very possible when a unit is icing up, particularly because of low...
  19. Replies
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    4,086

    yea, when you have to clean condenser coils that...

    yea, when you have to clean condenser coils that are full of the stuff, you end up pouring on way more cleaner than you need just to help get rid of the smell.
  20. Great idea!!!!!!

    Great idea!!!!!!
  21. Replies
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    605

    during that 30 seconds of run time (which is...

    during that 30 seconds of run time (which is longer than it may seem for making observations) is the suction vapor line cooling down, and does the out door fan seem to be moving warm air or is it...
  22. no, do NOT tear it off. IF it has been there all...

    no, do NOT tear it off. IF it has been there all along then this is not your problem. Tearing it off will cause a new problem you will have to deal with. Condensation all over the outside of it. ...
  23. Replies
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    6,693

    As I said earlier, I too carry a 1/4 of a rat...

    As I said earlier, I too carry a 1/4 of a rat pack full of nothing but capacitors from small to large and single to duals. No one (at least not me) has advocated using anything but the correct...
  24. I have used this several times and never went...

    I have used this several times and never went back on a leak where I used it. These are made by a company called Swadge-Locke and they work great. I first used one on a trane where the copper and...
  25. Replies
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    4,086

    Had to work on a many of unit covered in S$=t. I...

    Had to work on a many of unit covered in S$=t. I hate those critters with all my heart. They destroy a lot of equipment.
  26. Replies
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    573

    It could be reversing valve not fully seating one...

    It could be reversing valve not fully seating one way or the other, or bad valves in compressor, or as stated, a low refrigerant charge caused by a leak could also cause it to not shift properly. ...
  27. Replies
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    You said that both fans are running, but do you...

    You said that both fans are running, but do you here the compressor itself running. without it we are not going to cool.
  28. Replies
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    605

    Is the outside fan running when the unit starts...

    Is the outside fan running when the unit starts in cooling mode? What other things have you noticed about this system when it comes on?
  29. is it a "groaning" or more of a higher pitched...

    is it a "groaning" or more of a higher pitched harmonic/ringing sound? I have came across several variable speed blowers now that have had this "harmonic" issue.
  30. I will try to look up these numbers and do some...

    I will try to look up these numbers and do some more thinking on it. But right off the bat, here is the deal. There was an article I read awhile back that was titles 13 seer + 10 seer = 8 seer. In...
  31. Can't wait to hear the outcome on this one. Very...

    Can't wait to hear the outcome on this one. Very interesting problem. I wonder what the chances are that some of the manufacturing materials on the new furnace could be causing this. I heard a...
  32. You are correct. I live in west Texas myself...

    You are correct. I live in west Texas myself where the temps stay up around the century mark most of the summer, and I have done a lot of load calcs for my area. Just going out on a limb here, but...
  33. Replies
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    6,693

    Where did you teach? always good to meet fellow...

    Where did you teach? always good to meet fellow teachers. Just out of curiosity, what text book or books did you use?
  34. Replies
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    6,693

    Thanks for posting this. THis is from a textbook...

    Thanks for posting this. THis is from a textbook called "Electricity for HVACR" written by a guy named Smith.
  35. Replies
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    you would be so wrong about that. I can find it...

    you would be so wrong about that. I can find it on so many books and publication it'll make you dizzy reading them all. Why it is not a moot point is that saying this information is wrong or not...
  36. Replies
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    6,693

    I am sorry for you. I am in the bed and not at...

    I am sorry for you. I am in the bed and not at the office right now around my books, but one other poster has posted the info from a textbook called "electricity for heating, air conditioning, and...
  37. Replies
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    1,178

    The buzzing sound could be the compressor trying...

    The buzzing sound could be the compressor trying to start but not being able to. And once again, I said it could be. Not if it is the compressor trying to start and can't, several different things...
  38. Replies
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    2,929

    Very very easy to install an inline fuse off of a...

    Very very easy to install an inline fuse off of a board that did not have one to begin with. I do it almost every time I have to work on one that does not have one.
  39. Replies
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    1,451

    If it is done correctly. Double lugging the...

    If it is done correctly. Double lugging the condenser line voltage wires in the breakers that control the heater is not doing it correctly. That is the way I usually see it done if they did not run...
  40. Man, for anyone to even begin to try and answer...

    Man, for anyone to even begin to try and answer this we would need a lot more information. What is the model of the condenser you have? We need to know the btu capacity of the compressor and we can...
  41. Thread: Low coolant?

    by surenuff
    Replies
    7
    Views
    858

    You were right to check the filter. Low airflow...

    You were right to check the filter. Low airflow can cause icing. Also, a low charge of refrigerant can also cause icing. Basically, anything that causes the evaporation temperature of the inside...
  42. Thread: TXV Question

    by surenuff
    Replies
    11
    Views
    1,889

    could be partially plugged up, could have lost...

    could be partially plugged up, could have lost part of the sensing bulb's charge causing it to not open up enough, or several other things. Are you sure you are getting plenty of airflow, coil is...
  43. Replies
    4
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    573

    Was the company that put in your unit someone...

    Was the company that put in your unit someone from your area? Are they in the phone book? Were they licensed? A freezing coil could be from lack of airflow or a low pressures. It would be best...
  44. Replies
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    1,977

    WOW!!!!!

    WOW!!!!!
  45. Replies
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    536

    The furnace itself would have nothing to do with...

    The furnace itself would have nothing to do with water usage. However, a lot or furnace installs could have workers working around areas with water lines and such. I would look for the possibility...
  46. Replies
    1
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    547

    I have used them in the past. My own thought is...

    I have used them in the past. My own thought is that they would be as accurate as a charging chart on the unit. Awhile back I was given a slide chart along with a unit. The slide chart was put out...
  47. Replies
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    8,676

    nice looking install.

    nice looking install.
  48. Replies
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    4,399

    I used to do a whole lot of shooting. A few...

    I used to do a whole lot of shooting. A few years ago, I started stockpiling the ammo I have and not shooting it up anymore. I have not shot much at all in the past few years. But I do have a heck...
  49. Replies
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    I agree with everything you said. The only...

    I agree with everything you said. The only reason I was bringing up the +/_ 10% information, is that others had said that this is bad info. It is not bad info, it is the way almost every book I...
  50. Replies
    51
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    6,693

    Oh. Ok.

    Oh. Ok.
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