Search:

Type: Posts; User: vettehead

Page 1 of 3 1 2 3

Search: Search took 0.00 seconds.

  1. Replies
    13
    Views
    1,034

    The service valve is in terrible...

    The service valve is in terrible condition.Leaking and stem saw a few channel locks and pipe wrenches. (Ive been using another port near compressor to monitor LP) I'll get one of the staff to help...
  2. Replies
    13
    Views
    1,034

    Can I temporarily remove LLS coil?

    LPC needs adjusting on low temp application..specifically for the pumpdown cycle. Tstat is located inside....several staircases and feet away. Thinking of temporarily removing the LLS coil (which is...
  3. Thank you, gentlemen, for the edumacation. I went...

    Thank you, gentlemen, for the edumacation. I went out on Xmas day to check on the unit and could tell the unit had been starting (compressor warm). I went ahead and installed a (new) 12' self...
  4. cold ambient and having trouble 'making' LPC after LLS solenoid opens

    Got called out today, XMAS eve, for a nuisance problem (again). It seems when we get frigid weather (zero degree, -10 wind chill) this walk in cooler has trouble starting. Here are the parameters....
  5. Replies
    4
    Views
    1,141

    not getting 24v to contactor

    I should say I'm getting one leg. When I measure the red wire - to ground - I get 24 V, but I do not get 24v when I measure across the two low volt legs (Yes the tstat is calling) Further the fan...
  6. Replies
    5
    Views
    845

    Let me correct Texas. The icemaker arm must be in...

    Let me correct Texas. The icemaker arm must be in a DOWN position to allow the thing to cycle. Grabbing and turning icemaker ..ahh not really recommended. WHY? Gears are all plastic. You will bust it...
  7. Replies
    36
    Views
    3,685

    I used to work at XDX...

    ..and I can tell you guys exactly what is in the 'secret valve" Nothing. Nothing except (as a previous poster accurately described) copper tubing w a tee. When I first started there, I cut those...
  8. Gosh isn't that the truth. I started in this...

    Gosh isn't that the truth. I started in this business in 1979 doing nothing but domestic refrigerators. (NO I'm not an appliance repair person, I'm a refrigeration man..dammit!) Thru the 80's amp...
  9. If the capacitor has failed the motor...

    If the capacitor has failed the motor (compressor) usually doesn't run at all. If it is weak the motor will run at a higher amperage and will run hotter. Either way it's a no good sitcheeation.
    ...
  10. I'm mainly referring to 1 ph compressors.. ...

    I'm mainly referring to 1 ph compressors..

    BTW...power factor correction devices (capacitors) can be installed on 3 phase equipment
  11. Why dont we see more run caps on commercial...

    ...refrigeration compressors. yea I see a few now and then but it not like a residential AC unit where EVERY unit has a run cap (to increase power factor). Maybe the mfg's (copeland, tecumseh,...
  12. Replies
    32
    Views
    6,872

    Wonder how the dog liked sleeping next to the...

    Wonder how the dog liked sleeping next to the unit....?
  13. Replies
    28
    Views
    2,167

    Why dont we see power factor correctors (run caps) on refrigeration units

    Great thread guys but it leads me to a couple of questions. If power factor correction (run capacitors) are used on nearly all residential AC units (and on some newer domestic refrigerators) why dont...
  14. Replies
    14
    Views
    3,405

    What is best condenser coil cleaner?

    Sometimes high pressure gases aren't enough. And acid based chems are very messy especially if water rinsing is required inside a restaurant. Double the problem if the condenser is on top of the walk...
  15. Replies
    25
    Views
    1,658

    Yea I've had to draw for electricans in the past....

    Yea I've had to draw for electricans in the past. That is what I did with this problem. Once you got me the idea, I sat down and drew it. I would like to post the diagram for the benefit of somebody...
  16. Replies
    25
    Views
    1,658

    Yea ..got it now. Went there today, wired it up...

    Yea ..got it now. Went there today, wired it up as I sketched it out and WahLa ..off and running she goes. Adjusted LPC to proper sets and everyone is cool. BTW,,Customer explained he shuts off the...
  17. Replies
    25
    Views
    1,658

    I would love to.... just don't know how to post a...

    I would love to.... just don't know how to post a sketch:rolleyes: Inform me how to upload a sketch and I'll try. I have it on paper and cant wait to get back there tomorrow to giter done. (and get...
  18. Replies
    25
    Views
    1,658

    That's it!! I beleive this will work. BTW...LPC...

    That's it!! I beleive this will work. BTW...LPC is cutting in about 12 psi, and off at 4-5. It was never an issue with the LPC because I could never get the contactor to pull in when I (mistakenly)...
  19. Replies
    25
    Views
    1,658

    LPC is properly set. Prob is power isn't even...

    LPC is properly set. Prob is power isn't even making it to the LPC because the contactor isn't being pulling in. For an experiment I wired TStat back to original and all works well. (I have LLS...
  20. Replies
    25
    Views
    1,658

    problem adding (wiring) a pumpdown cycle

    This customer of mine has lost two compressors in the last seven years.
    (Med. temp remote unit 1 HP 208/230, 1ph, R12 coverted to Hot Shot.) Happens in winter. I'm suspecting flooded starts due to...
  21. Wait let me guess.. lack of PM with the acid...

    Wait let me guess.. lack of PM with the acid cleaning of the evaporator, led to the ultimate failure. Once they get all 'gummed' up there is no turning back. Evaps need to be replaced.

    Maybe his...
  22. Replies
    25
    Views
    2,947

    Get a tech service manual from your nearest...

    Get a tech service manual from your nearest Scotsman dealer if you dont have one already. Then budget a couple of hours to sit and watch. My experience with icemachines is you must spend some time...
  23. I can't offer ya much help here bro...you've done...

    I can't offer ya much help here bro...you've done more evap changes than I, but if I was in your shoes, I'd contact Manitowac directly. Their tech support is very helpful as you probably know. You...
  24. Replies
    13
    Views
    2,520

    Some need to re-read the original post. Once the...

    Some need to re-read the original post. Once the pinch off has been applied, the pig tail will be WITHOUT pressure. Thanks to those that have performmed this quick and effective 'field expediency' (I...
  25. Replies
    16
    Views
    1,001

    LLS valve chattering.....I GOT IT !!

    Gents the culprit was indeed the defrost clock. I changed the clock and all operation were normal Yipe! I have a temp logger deployed and will confirm in a few days what I get.

    Now can somebody...
Results 1 to 25 of 51
Page 1 of 3 1 2 3
Comfortech Show Promo Image

Related Forums

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