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Type: Posts; User: Willserve

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  1. Replies
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    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...
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    8,940

    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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    2,751

    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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    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...
  5. Thread: X13 motors

    by Willserve
    Replies
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    8,114

    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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    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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    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...
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    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...
  9. 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.
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    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...
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    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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    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...
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    1,684

    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...
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    2,517

    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...
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    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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    1,211

    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:
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    1,211

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

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

    by Willserve
    Replies
    13
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    1,016

    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...
  19. Thread: seem right?

    by Willserve
    Replies
    13
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    1,016

    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...
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    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
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    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...
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    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...
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    2,346

    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...
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    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,...
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    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...
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