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  1. thats a good question for me to ask here about...

    thats a good question for me to ask here about superheat. when i do commercial they want 15 to 20 degrees sh at compressor but then i charge the unit to the specs on charging chart it reads anywhere...
  2. The pressure were fine. 10 sc, 18 sh. i checked...

    The pressure were fine. 10 sc, 18 sh. i checked in both 1st stage and 2nd stage. i only took sh and sc in 2nd stage though. but nowhere near a low pressure problem.

    I made it 15 posts :)
  3. 2 stage unit locking out from low pressure

    I have been an hvac service tech for almost 20 years but recently got back into residential. I have only a little experience on the variable speed stuff. I went on a call yesterday and the outdoor...
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    6
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    674

    Box van or van for installs

    Hi. i am still new to this forum but trying to get my posts up. i have been doing hvac service for almost 20 years( mostly commercial). recently i started a company and wanted to know your opinions...
  5. need tonage for carrier evaportor 280c002000

    Hi everyone. I have been reading the forum for a couple of years but just recently joined. I have been a commercial service tech for almost 20 years but just got back into residential. I am working...
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    9
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    545

    I'm in the same situation. I have been reading...

    I'm in the same situation. I have been reading the forum for a long time but never joined. last year i started a company and now i want to ask all kinds of questions but can't. I have tried to post...
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    13
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    1,453

    I agree that it depends on your homes insulation....

    I agree that it depends on your homes insulation. If its a fairly tight house i would say set it back a little. no more than 5 degrees is what i tell people. I set my thermostat in the summer to 75...
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    1,244

    Icp makes some good units under the Grandaire and...

    Icp makes some good units under the Grandaire and Maratherm names. They have copeland compressors. I have installed a few this year. i always get nervous when i do one because you never know how it...
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    6
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    1,048

    I use the analog type. I forget the name brand...

    I use the analog type. I forget the name brand but it is very reliable and it shows me if i start to lose my vacuum. the digital ones, i have used a couple , the JB i think you have is the black one...
  10. Replies
    19
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    4,827

    Yes Nate you are correct. the return air is a...

    Yes Nate you are correct. the return air is a combination of the two. i like to get a 20 degree drop across by coil meaning if i have 75 degree return air i want around 55 degree supply air. so is i...
  11. Replies
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    3,608

    I'm a big fan of comfortmaker or any ICP product...

    I'm a big fan of comfortmaker or any ICP product line. I used to do Goodman on the side but stopped more than 10 years ago when they kept getting cheaper and cheaper on quality. the last one i...
  12. Thread: Bad TXV?

    by pricedrightkc
    Replies
    10
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    1,582

    You can take the sensing bulb off the suction...

    You can take the sensing bulb off the suction line, the suction pressure should go up and superheat go down. if it does not react then the txv is bad.
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    4,827

    I guess ion;t really understand the part about...

    I guess ion;t really understand the part about having a return air in the bonus room only makes the room hotter. I have been a service tech for almost 20 years but i admit i'm still learning but...
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    2,313

    The nitrogen alone is for making sure you do not...

    The nitrogen alone is for making sure you do not have any leaks before final vacuuming and start up. if you have a system that is low on charge and you need to find a leak i use a good electronic...
  15. I recently bought the JB Prowler leak detector....

    I recently bought the JB Prowler leak detector. it helped me find a leak that had been hiding from me. i have an older H10p that could not find the leak.( it does have a new sensor though) The new JB...
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