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  1. Evaporator Temperature Differential for R410

    Question:

    When calculating what the evaporator temp is (lo side temp reading on gauge) as opposed to where it should be according to return air temp we use the following formula:

    RA - 35 =...
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    thanks for taking the time to respond I...

    thanks for taking the time to respond I appreciate your input
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    so what type of computer training do you...

    so what type of computer training do you recommend? sounds like you had a computer background before you got into controls, and where can I get it? can I get online for free or do I need to go to...
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    thanks, just got done reading chapt one.

    thanks, just got done reading chapt one.
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    How beneficial was learning the installation side...

    How beneficial was learning the installation side first?
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    Thanks for replying - that is good to know about...

    Thanks for replying - that is good to know about the programmer. I want a little dirt not a total laptop jockey.
  7. No - he pulled it to keep the unit from tripping....

    No - he pulled it to keep the unit from tripping. This was the NEW guy (not a new hire a trainee). We didn't get the chance to talk about static pressure...he was still working out static cling.
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    da plane...boss! da plane...

    da plane...boss! da plane...
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    310041

    310041
  10. I can't say for sure on this furnace but I have...

    I can't say for sure on this furnace but I have seen 170F plus at the plenum. Not sure why this one ignited - cat hair? Belly button lint?
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    ok thanks - appreciate your reply!

    ok thanks - appreciate your reply!
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    Ok here is the plan: After determining that...

    Ok here is the plan:

    After determining that there were no companies falling over themselves to give me an opportunity, and that local distributors protected their training classes as if the...
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    Both - How long ago did DDC begin to replace...

    Both -

    How long ago did DDC begin to replace pnuematic? or are new systems still utilizing pneumatic?
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    Thanks supertek65, Im going for it - it is...

    Thanks supertek65,

    Im going for it - it is just hard to figure out how to get started. I danced with a company who did installation but then they walked away before start up. I don't mind some...
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    I got it - thank you so much!

    I got it - thank you so much!
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    hotandcoldair@gmail.com My kids are older now...

    hotandcoldair@gmail.com

    My kids are older now - five are adults so I can handle the time committment. Until recently I worked another job at night.

    I definately get the sense that there is...
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    You said "know how to use a computer" - you must...

    You said "know how to use a computer" - you must mean more than posting to threads. What sort of computer knowledge do I need to brush up on?
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    ok just checked it out - thanks Control Man,...

    ok just checked it out - thanks Control Man, looks like that will be a big help.
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    You mentioned get some manuals, where and what? I...

    You mentioned get some manuals, where and what? I have been trying to get some training but that seems almost impossible. Our company doesn't work in controls, and the training seems to be open only...
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    joey791 - thanks, going to your sight right...

    joey791 -

    thanks, going to your sight right now to add it to my favorites list, next step ebay to buy some used controllers...
  21. New guy at my last job: pulls out the furnace...

    New guy at my last job: pulls out the furnace high limit switch because the unit kept shutting off while he was trying to measure the delta T. Homeowner comes in and starts to talk and new guy...
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    When I was learning (I started as a Tune Up Tech)...

    When I was learning (I started as a Tune Up Tech) I would take a few minutes and bust out my voltmeter and check voltage on every circuit possible. When you are a Service Tech knowing what voltage...
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    Should I leave a $21 hour job?

    I am thinking about crossing over to controls - I prefer electrical over compressor change outs but know that I may have to take a cut in pay while training. Is this smart? Who has crossed over from...
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    online training

    Can anybody point me towards some online controls training?
  25. Thanks tangogreen and J-thetechwizard. I...

    Thanks tangogreen and J-thetechwizard. I appreciate your words of advice.

    hotandcoldair
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