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Type: Posts; User: Willserve

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  1. Replies
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    Thanks for advice. The machine has been working...

    Thanks for advice. The machine has been working great all summer. I did an earlier post but for some reason it didn't go thru. I bought the pinch off /rounding tool and switch from Baker. Will put in...
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    627

    Manitowoc Fan Pressure Switch Question

    I have a Manitowoc SD0452A that has a bad pressure switch not allowing fan to come on. Ice maker fills and compressor starts then kicks out on high pressure, no fan. I checked across switch and it's...
  3. Replies
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    9,666

    What is the Rule of Thumb to determine if you...

    What is the Rule of Thumb to determine if you fall into the "older guys" category? Is that an actual age or mentality Lol
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    2,932

    I have had an sman3 for years and have had both...

    I have had an sman3 for years and have had both temp clamps crack and break but counter guy where I bought just gave me new ones. My other techs sman3 has had to replace both seals because freon was...
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    1,871

    I have only installed one Goodman mini split. I...

    I have only installed one Goodman mini split. I thought I would try it since I install their regular equipment. It came with it's own lineset and a couple other nicities. The inside section was a lot...
  6. Thread: X13 motors

    by Willserve
    Replies
    23
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    10,207

    We replaced a couple in Comfortmaker units 2...

    We replaced a couple in Comfortmaker units 2 weeks ago, both less than 2 years old. Heard they had several go out recently. Was at Rheem store and counter guy said he just did 8 wty x-13 motors last...
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    2,566

    If you weigh charge in from name plate you may...

    If you weigh charge in from name plate you may never know because if it was low that would take care of it. Did you check for leak. That would be silly to change txv and find out that the coil was...
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    2,566

    Sounds like it's still low on freon. Is the air...

    Sounds like it's still low on freon. Is the air flow correct? At this point it may be better to recover freon and weigh it back in to make sure you are charged correctly then go from there. Txv's are...
  9. Replies
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    3,760

    If the evap coil has a txv you check and charge...

    If the evap coil has a txv you check and charge using subcool. You need to try and bring it up to 10 like name plate states. The tvx will open and close as needed so your suction pressure will...
  10. That's what I'm thinking also. With temps that...

    That's what I'm thinking also. With temps that low your suction shouldn't be that high. Some time you just get a bad part from the factory. Grab another coil from distributor and change it out.
  11. Replies
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    2,205

    Yes, when your subcool is low you add more freon....

    Yes, when your subcool is low you add more freon. The default is usually 10 unless it's stamped on unit data plate. It used to freak me out when I saw high suction pressure because I was so used to...
  12. Replies
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    2,205

    We always put a hard start on dry units esp if...

    We always put a hard start on dry units esp if there is a txv involved. With a house and suction line that hot your are going to have high suction pressure because the txv is probably wide open. You...
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    2,582

    I did the same thing a couple weeks ago for a...

    I did the same thing a couple weeks ago for a Lennox unit. First time I have seen a 30/4. You did the right thing. I could of tried a 30/5 but I had a 30 and 4 on my truck so I built one. Def check...
  14. Replies
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    1,766

    Had a parts house couple years ago that opened...

    Had a parts house couple years ago that opened the box everytime they sold you a motor and spun the shaft. I asked whats up with that? They had had a lot returned with locked up shaft. Manufacturer...
  15. Replies
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    2,808

    Heck no, this is your house and if it's not right...

    Heck no, this is your house and if it's not right say so. Your the one that has to live with it. So he's cutting corners on duct work to keep working for this contractor??? I wouldn't settle for...
  16. Replies
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    2,777

    Hydra-swage 71600 made by Mastercool. I also do a...

    Hydra-swage 71600 made by Mastercool. I also do a lot by hand because I'm old and I like the sound it makes when hammering:grin2: Do you guys have a problem with copper pipe splitting esp new stuff...
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    1,308

    Never mind, I think you might be talking about ok...

    Never mind, I think you might be talking about ok what is it? from January.:cheers:
  18. Replies
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    1,308

    I don't get it, who brought up the dead?

    I don't get it, who brought up the dead?
  19. Thread: seem right?

    by Willserve
    Replies
    13
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    1,064

    If you go by numbers your superheat is too low....

    If you go by numbers your superheat is too low. Check air flow as stated earlier. Before messing with charge you need to make sure air flow is right. It's harder without checking static but there are...
  20. Thread: seem right?

    by Willserve
    Replies
    13
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    1,064

    Thats basically what I came up with...

    Thats basically what I came up with 67wb/odt84=18sh you have 9. Wb67/return db78=17 you have 14. Maybe over charged and fan blowing to hard? I say this because you have low supper heat which means...
  21. Replies
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    2,444

    That's the way I do it also. Prevents over...

    That's the way I do it also. Prevents over shooting. Maybe should of been more exact in my response. I hate this phone, it took me 10 min to type this
  22. Replies
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    2,444

    If he did it right. Don't see many threads and...

    If he did it right. Don't see many threads and work order/invoice that don't list pressures and line temps. In reality, if it's a matched system, he needs to bring subcool up to name plate wait 20...
  23. Replies
    35
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    2,444

    Yes if you do backwards math on everything. I...

    Yes if you do backwards math on everything. I like to start with the original numbers to verify everything is right. That's like giving a math test with answers and telling you to write the correct...
  24. Replies
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    2,444

    Don't go with your gut, go with science. HVAC is...

    Don't go with your gut, go with science. HVAC is a science, long gone are the beer can cold 1 ton per 600 sq ft days. But just like science and a computer garbage in is garbage out. Get the right...
  25. Replies
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    5,051

    I agree 100%. If you want a txv buy a system that...

    I agree 100%. If you want a txv buy a system that has it factory installed. Goodman's are rated and designed to work with pistons. They have a higher end one with a factory installed txv. It's funny,...
  26. Replies
    54
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    5,051

    6 of one 1/2 dozen of other. TXV is suppose to be...

    6 of one 1/2 dozen of other. TXV is suppose to be more accurate with refrigerant flow but piston is simpler and less problems. Adding a txv may increase your Seer in some cases you would have to look...
  27. Thread: Superheat

    by Willserve
    Replies
    22
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    2,507

    I agree don't let it get below 5* sh. What was...

    I agree don't let it get below 5* sh. What was the indoor temp? I'm in Florida the total opposite of what you have. I usually check line temp also to see how close I am to freezing. Is your air flow...
  28. Replies
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    2,041

    Valve core tools are a must for leaking...

    Valve core tools are a must for leaking schraders. When putting new schrader in don't force it. Everyone once in awhile I get one that won't come out so I close the shut off, remove the plunger and...
  29. Replies
    35
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    2,444

    For you to determine if charge is correct you...

    For you to determine if charge is correct you need the following basic information:
    Indoor temp wet bulb
    Indoor temp return dry bulb
    Supply temp dry bulb
    Outside air temp entering condenser
    High...
  30. Replies
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    2,444

    Man I am so confused right now? Are we talking...

    Man I am so confused right now? Are we talking about a split residential air conditioner with a TXV?
  31. Replies
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    7,534

    If it's not posted on name plate I have always...

    If it's not posted on name plate I have always used 10 as you stated.
  32. Sweet, job well done. HVAC is a thinking man's...

    Sweet, job well done. HVAC is a thinking man's game, way to use your head and work the problem out.
  33. Replies
    35
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    2,444

    Your temp difference is 27 not 15 which is way...

    Your temp difference is 27 not 15 which is way too cold. If your name plate subcool is rated for 17* (which is higher than most units I work on usually 8-12) that is your target. What were your...
  34. Replies
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    3,748

    David912, what did you find out and how did you...

    David912, what did you find out and how did you fix this? I was curious since this was such a weird one.
  35. Replies
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    3,748

    He took out a 62 and put a 67 in. I would put the...

    He took out a 62 and put a 67 in. I would put the original piston back and check everything. It had a 19* temp difference so are they running it and is cooling? I saw a Whirlpool unit in our local...
  36. Replies
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    3,748

    I agree, if he adds freon the superheat is going...

    I agree, if he adds freon the superheat is going to be less than the 2-7 that he has now. It would be a great idea to go back and get all the numbers to come to a conclusion to include wb, td (return...
  37. Replies
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    3,748

    You did put the piston back in after checking it...

    You did put the piston back in after checking it right? I guess with a 19* t/d you must have. Maybe try putting the original smaller size back in. Need wet bulb and odt to determine superheat needed....
  38. Replies
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    1,056

    I know Rheem had problems in the past with...

    I know Rheem had problems in the past with overcharged heat pump units. They worked fine in cooling mode but kept kicking out on high pressure in heating mode. Look at the size difference of the...
  39. Replies
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    4,256

    I would go with compressor name plate. What size...

    I would go with compressor name plate. What size unit is this, just curious. What was the rated amp draw on the new compressor and were you with in rated amps. You could also put smaller cap on and...
  40. Replies
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    1,978

    Whats line set size? Need to charge with sc with...

    Whats line set size? Need to charge with sc with txv. Bring it down to 10 and see what happens. Sounds like your over charged. Of course check the air flow and get it right.
  41. Replies
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    1,573

    Why would you start a compressor in a vacuum in...

    Why would you start a compressor in a vacuum in the first place?
  42. Replies
    14
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    1,573

    Good old sweep charge, great for when your in a...

    Good old sweep charge, great for when your in a hurry. Changed a lot of frig compressors using this when I worked for Sears. Found out later they went back to vacuum down systems, to many problems...
  43. Replies
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    1,076

    I have one and still use it. I like to see needle...

    I have one and still use it. I like to see needle move when checking sp. I'm taking a training class and they are making me go digital.
  44. Replies
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    1,805

    mgenius, you only answered the last part of the...

    mgenius, you only answered the last part of the question. Is the huffing a cavitating sound, like the motor hessitates or free wheels just for a second. How is the huffing stopped, by increasing or...
  45. Replies
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    1,920

    Give me break, I'm old and wear trifolds. :grin2:...

    Give me break, I'm old and wear trifolds. :grin2: Not saying totally home made but took something and rigged it. Never seen louvers like that on top of a unit, seems like it would be very restrictive...
  46. Replies
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    1,920

    The one on the right looks like a Rheem/Ruud with...

    The one on the right looks like a Rheem/Ruud with a home made top?
  47. Replies
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    1,805

    mgenius, you said "However, if the rpm level...

    mgenius, you said "However, if the rpm level reaches it's preset max, it will temporarily drop out and cause huffing." Is the huffing a cavitating sound, like the motor hessitates or free wheels...
  48. I agree with Baldloonie, check PVC exhaust pipe...

    I agree with Baldloonie, check PVC exhaust pipe for a sag. The unit sounds like it's starving for air and sucking in the panel because exhaust is filling with water.
  49. Replies
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    664

    Depending on unit type some fan run times can be...

    Depending on unit type some fan run times can be adjusted after outside unit shuts off, ask your installed. The air may feel cold but it should be room temp air unless your return is pulling in cold...
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    695

    I agree with thermojohn. The condenser has to be...

    I agree with thermojohn. The condenser has to be frosting that much to cause that much water. If this is a newer unit it may be defrosting more than your last one or what your use to. If the unit is...
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