Search:

Type: Posts; User: cretan

Page 1 of 11 1 2 3 4

Search: Search took 0.01 seconds.

  1. Thread: txv selection?

    by cretan
    Replies
    15
    Views
    777

    Thanks

    Thanks
  2. Thread: txv selection?

    by cretan
    Replies
    15
    Views
    777

    Ok,forget about the previous post.If I have a...

    Ok,forget about the previous post.If I have a evaporator rated at 980 btu per 1 degree TD,it would supply 9800 btu at 10TD.correct?Now my question is how would I size the txv?1 ton,1.5 ton?now...
  3. Thread: txv selection?

    by cretan
    Replies
    15
    Views
    777

    txv selection?

    I used to know how to select txv's.I have been out of the trade for a couple of years.If a wic needs 8000 btu's of cooling, what size of txv do I use?Is there a chart I can use?
  4. Replies
    3
    Views
    477

    Thank you!!

    Thank you!!
  5. Replies
    3
    Views
    477

    equipment sizing

    Can someone point me into the right direction?I need some info on sizing evaporators\txv's\compressors for walk in coolers\freezers.I was in the trade a few years ago and i am getting into it again...
  6. Replies
    3
    Views
    1,169

    Much appreciated.

    Much appreciated.
  7. Replies
    3
    Views
    1,169

    m track controller

    Need info on make up airs equipped with the m track controller.manuals,scematics ect.thanks!!
  8. Thread: Myth or Fact?

    by cretan
    Replies
    14
    Views
    1,691

    Thanks guys.

    Thanks guys.
  9. Thread: Myth or Fact?

    by cretan
    Replies
    14
    Views
    1,691

    Myth or Fact?

    According to manuals,a compressor should not be bumped/started in a vaccum.I read a thread a while back that said the comp. could explode if stared in a vac.Is this true or false? PS:installed a...
  10. Thread: shocking!

    by cretan
    Replies
    11
    Views
    836

    assuming it runs on 120 volt.....check how it is...

    assuming it runs on 120 volt.....check how it is wired.many years ago(and still in older houses) if two appliances were plugged into the wall a certain way,touching the two appliances would give the...
  11. Replies
    35
    Views
    9,370

    if no plaque showing charge,check superheat when...

    if no plaque showing charge,check superheat when box is down to temp.10 degrees SH would probably be fine.
  12. Replies
    4
    Views
    721

    Thanks guru for the reply and info.In response to...

    Thanks guru for the reply and info.In response to skpkey9,No water in bearing.it was dry as could be.
  13. I have heard of this,but only on water lines in...

    I have heard of this,but only on water lines in the ground.Google and see what you can find...
  14. Replies
    4
    Views
    721

    Scotsman Flaker?

    A 400 pound flaker only about one year old.Bearings and auger were replaced 3 months ago on warranty.Worked on the machine the other day and found the top bearing coming apart.Customer is furious as...
  15. Replies
    29
    Views
    2,566

    I use a cooper clamp on thermometer.It is has...

    I use a cooper clamp on thermometer.It is has fast response time,is sensitive and seems to be accurate enough to get the job done.Yes,some responses given are not so helpful.I have been on the...
  16. Replies
    13
    Views
    977

    I think "Blower" is slang/term for evaporator.I...

    I think "Blower" is slang/term for evaporator.I understood the posts,started as a joke.Some took it as a joke and some seriously.Oh....anyone with user name Satan here?Cuz some may find that...
  17. Replies
    13
    Views
    900

    Here are a few other ideas and questions...

    Here are a few other ideas and questions also....If there's a history of electrical component failures,check for correct wire size going to the cond.unit.A long run of wire combined with too small a...
  18. Replies
    12
    Views
    940

    Thanks for the replies everyone.I don't plan on...

    Thanks for the replies everyone.I don't plan on touching the system.It has worked like this for years.So I won't fix if it ain't broken(Just as Executioner says).So now another question....since we...
  19. Replies
    12
    Views
    940

    I did a ptr check on the system.Worked on the...

    I did a ptr check on the system.Worked on the unit quite a while ago....High side acts like r22 and low side as R12/134.Txv is adjusted just about all the way open.Its a mix and matched system that...
  20. Replies
    12
    Views
    940

    It works.But why?

    Walk-in cooler 8x10
    RSN4-0050 r12 compressor
    keeprite R375 evap
    R12 txv
    air cooled
    Now here are some numbers:
    Box temp 37f
    suction line temp 63f
    subcool 46f
    HS 240 psi
  21. Replies
    8
    Views
    1,130

    Gradually add refrigerant,wait for the cooler to...

    Gradually add refrigerant,wait for the cooler to get to temp,then check superheat,this way you are assured it is not over/undercharged.It takes a little longer but it will be charged properly.
  22. Replies
    11
    Views
    2,138

    Looks like a very thorough manual.Alot of...

    Looks like a very thorough manual.Alot of electronics on these new machines.Are there variable speed drive motors for the augers on these things?
  23. Replies
    11
    Views
    2,138

    As far as what the machines do and how they work...

    As far as what the machines do and how they work is simple.There are alot of controls ect. that can get confusing but found them relatively easy to work on once I spent some time with them.And no I...
  24. Replies
    79
    Views
    5,887

    Slow pumpdown?mabey the LLSV leaking by or bad...

    Slow pumpdown?mabey the LLSV leaking by or bad valve in comp.High evap superheat?Were evap fans changed recently?
  25. Replies
    28
    Views
    2,298

    How about using a r22 replacement.R422 is one of...

    How about using a r22 replacement.R422 is one of them.Here is a link:http://www.refrigerants.dupont.com/Suva/en_US/products/isceon29.html
Results 1 to 25 of 260
Page 1 of 11 1 2 3 4
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event