Search:

Type: Posts; User: sandpipertech

Page 1 of 3 1 2 3

Search: Search took 0.01 seconds.

  1. Replies
    8
    Views
    302

    Flash Freezer Superheat

    80 degrees is legit. Suction line is insulated and separate from liquid.
    Running -38 SST. Box temp around -15, looks good to me. Condenser was cleaned to me. I will get numbers tomorrow. Basically...
  2. Replies
    8
    Views
    302

    404a. Running 80 degrees SH! Can't be right but...

    404a. Running 80 degrees SH! Can't be right but don't know what to adjust it to in this application or if it's different than a standard walk in. Sight glass is full.
    At time of testing box temp was...
  3. Replies
    8
    Views
    302

    Flash Freezer Superheat

    What would be an acceptable Superheat setting for a 2 door ice cream flash freezer guys?
    I'm having trouble getting this thing to maintain. Solid liquid to valve, officially 9 degrees subcool.

    ...
  4. Perhaps. Despite solving the issue of maintaining...

    Perhaps. Despite solving the issue of maintaining temperature in the space....I still only have 16 degrees across coil for my delta t. Charge is spot on, weighed in it. Brand new equipment. Maybe...
  5. Without going into too much detail - I did prop...

    Without going into too much detail - I did prop open the back door and managed to open an old window that was screwed shut behind the exhaust system. What a difference. Now it pulls outside air to...
  6. Thanks for the insight guys. One thing that never...

    Thanks for the insight guys. One thing that never crossed my mind was the exhaust system. Restaurant has been around for 20 years and they've always had the same setup. 2 exhaust fans, on I can see...
  7. Restaurant won't cool during heat of day

    Ok guys, I, throwing this out here late tonight, hopefully to get some insight on an ongoing issue I'm having. Here's a quick picture of what I'm dealing with.
    We have a local restaurant that has a...
  8. Water issues on positive pressure cabinets

    So we always have this nuisance call --
    If we install a furnace with ac coil OR a new TAM/GAM Trane air handler - both of which are positive pressure cabinets - if we pipe the secondary into the...
  9. Replies
    7
    Views
    1,222

    What kind of suction pressure should i be seeing....

    What kind of suction pressure should i be seeing. Havent worked much on these types of boxes...
    And what should I be looking for since its low?
  10. Replies
    7
    Views
    1,222

    Open Air Display Cause Issues

    I'm stressing.
    We got a new account with a local meat market. They had a shorted to ground compressor on the initial call for their big display cause. Got a new compressor. Went through the whole...
  11. Replies
    9
    Views
    3,281

    Haha, very true. Fortunately it rarely comes to...

    Haha, very true. Fortunately it rarely comes to that. I guess we all just get a little too comfortable every once in a while. Good wake up call though. Check the basics.
  12. Replies
    9
    Views
    3,281

    Ok. New thermistor cleared my fault codes. For...

    Ok. New thermistor cleared my fault codes. For what its worth, in case anybody didn't know this....a clogged condenser coil will cause reduced ice making capacity:)
    Next time ill get my flashlight...
  13. Replies
    9
    Views
    3,281

    Yea, in 32 degree water I'm only registering...

    Yea, in 32 degree water I'm only registering 15000 ohms. Gotta be replaced.
    Again, they called only because they saw the 2 red lights. Then as im there they just kind of mention that it hasnt been...
  14. Replies
    9
    Views
    3,281

    Scotsman Thermistor Question

    Have a scotsman machine (cme656) that has run great up until recently. Both diagnostic lights are on all the time and - according to the restaurant staff - the machine isnt producing properly. ...
  15. Replies
    33
    Views
    3,614

    Best recovery machine

    Best recovery machine
  16. Replies
    33
    Views
    3,614

    While we are on the topic of digital gauges.......

    While we are on the topic of digital gauges.... whats the word on the digicool ak 900's? I hear they will be the set to have, whenever they come out.
  17. Replies
    33
    Views
    3,614

    My most used tools are.... My gauges, 12v impact...

    My most used tools are....
    My gauges, 12v impact driver, UEI clamp on meter, infared gun, UEI sh/sc meter, refer scale, LED flashlight AND more importantly my LED head lamp ( A MUST HAVE ) , notepad...
  18. Replies
    33
    Views
    3,614

    Very helpful info from a seasoned vet! Thanks jp

    Very helpful info from a seasoned vet! Thanks jp
  19. Replies
    33
    Views
    3,614

    I'll admit one thing. I haven't used a leak...

    I'll admit one thing. I haven't used a leak detector but a few times in the past few years. Leak checks on new 410a systems are easy breazy....look for the OIL!!!.....
    And older systems tend to be...
  20. Replies
    33
    Views
    3,614

    Interesting. Never seen the digi-cool instrument...

    Interesting.
    Never seen the digi-cool instrument before. Is it any better than the digital gauges by yellowjacket etc. that do sh/sc and store a ton of refrigerants....Just cheaper price?
  21. Replies
    33
    Views
    3,614

    Must Have Tools...

    Thought I'd pick everyone's brain as I'm in the mood to spend some money on new tools. Been doing HVACR for 6 years now but I want to expand my tool inventory.
    Besides the very basics, what tools do...
  22. Thread: Hot Shot

    by sandpipertech
    Replies
    13
    Views
    12,606

    Haha... I knew I'd get an answer like that, and...

    Haha...
    I knew I'd get an answer like that, and i do appreciate it.
    BUT
    Why do SOME people feel like using hot shot in place of 12 or 134a is a better option. I'm not saying it is....but what is...
  23. Thread: Hot Shot

    by sandpipertech
    Replies
    13
    Views
    12,606

    Hot Shot

    Without starting a war...
    I know many techs dont think Hot Shot should be used as a drop in for systems using refrigerants like 134a. But what is the reasoning behind doing so.
    I had an issue with...
  24. Replies
    17
    Views
    3,429

    All over, top to bottom.

    All over, top to bottom.
  25. Replies
    17
    Views
    3,429

    I will test the coil temp again and the tstat....

    I will test the coil temp again and the tstat. But I've put 2 new coil sensing stats on the box and neither have changed any of my problems.
    I really think I have a partially clogged cap tube.
    If...
  26. Replies
    17
    Views
    3,429

    Phase Loss, That is a interesting thought. Why...

    Phase Loss,
    That is a interesting thought. Why wouldnt the coil temp be getting up above 32 deg? Do you think the system isn't balancing out during an off cycle?

    Also, evap fans run fine. Blades...
  27. Replies
    17
    Views
    3,429

    Control is buried properly in the coil. Gaskets...

    Control is buried properly in the coil. Gaskets are in great shape.
    I will also add that the box temp now never seems to get below 42deg. It'll drop lke a rock to 42 deg but then it runs and runs...
  28. Replies
    17
    Views
    3,429

    Prep Table Cooler Problem

    So, I'm gonna blow up this prep table soon if I can't get it fixed - here's the story-

    Jimex/Ascend Prep Table Cooler Model JPP4406.
    Box is about a year or two old. Owner originally said that...
  29. Replies
    7
    Views
    981

    Good stuff. THanks for the info guys.

    Good stuff. THanks for the info guys.
  30. Replies
    7
    Views
    981

    Jp, you the man... Any deeper explanations would...

    Jp, you the man...
    Any deeper explanations would be greatly appreciated...trying to learn more....
  31. Replies
    7
    Views
    981

    Dumb Questions....

    Hey Guys,
    Got 2 dumb questions...and probably more to come:)

    1: Why do walk in coolers/freezers no use Evap Pressure Regulators? I'm not really familiar with them but I have heard that they can...
  32. Replies
    25
    Views
    2,731

    Yea. Actually the unit has a headmaster and i...

    Yea. Actually the unit has a headmaster and i encouraged them to turn the tstat up a few degrees...I assured them that the beer would taste just as good at 36 as it would at 30:)
  33. Replies
    25
    Views
    2,731

    CHecked back on it a couple times today. Not a...

    CHecked back on it a couple times today. Not a single line of frost or ice for that matter. Evap coil is very clean.

    I don't think the evap is oil "logged". There may be oil that has settled in it...
  34. Replies
    25
    Views
    2,731

    Now THAT is what i was hoping somebody would say....

    Now THAT is what i was hoping somebody would say. Thats what ive been thinking....
  35. Replies
    25
    Views
    2,731

    Good call skp. No oil trap installed. Cond. is...

    Good call skp.
    No oil trap installed.
    Cond. is on roof above evap.

    Why would oil logging in bottom of evap be the cause of frosting? WOuld it just ask as an insulator? Causing bottom of coil to...
  36. Replies
    25
    Views
    2,731

    Why would i be oil logging in the evap? I agree...

    Why would i be oil logging in the evap?
    I agree that it may need a defrost control but it hasn't in 6 years....and they have had it at the same temp the whole time...
  37. Replies
    25
    Views
    2,731

    Yea, thought that was kind of odd...

    Yea, thought that was kind of odd also...but...box has been running for 6 years like that.
    Pump down system.
  38. Replies
    25
    Views
    2,731

    Another frozen walk in...

    What do you guys think? Equipment info below:
    (I think it was Bohn equipment)
    Evap - ba82p-a-sia-tsm2a1/050205276
    Cond - beha008h2-hs2a-b/050207420
    No outdoor fan cycling control. No defrost...
  39. Is it just me or is this guy a moron?....ALL of...

    Is it just me or is this guy a moron?....ALL of his posts in this thread tell me I would never want him working on anything with any kind of refrigerant in it.
  40. I'm having trouble understanding why, if the heat...

    I'm having trouble understanding why, if the heat pump is running in heat, even if the aux heaters aren't running...why the room temp is actually dropping that quickly.
    It sounds like perhaps the...
  41. Replies
    6
    Views
    1,843

    Wow, nice service guide. Never seen it. Thanks...

    Wow, nice service guide. Never seen it.
    Thanks guys...
  42. Replies
    6
    Views
    1,843

    Carlyle Compressor Book

    Hey Guys,
    I'm looking to "expand" my knowledge. I've tinkered with the Carlyle Compressors when the job demands it of me...but I can only usually go so far.
    Anyone have any recommendations on a...
  43. Manitowoc S1000C Installation Question

    Hey Guys,
    Question on installing a Manitowoc remote condensing unit. The reason I'm asking is because the units I have installed have been remote cond. coils...not entire compressor/condenser units....
  44. Replies
    6
    Views
    817

    I'd get yourself a new tech...

    I'd get yourself a new tech...
  45. Replies
    19
    Views
    3,513

    Thanks for the input guys. DandyMe, that pdf...

    Thanks for the input guys.
    DandyMe, that pdf file was great. I just never worked on many negative pressure systems and wasn't 100% on them.
    Havent made it back over there but from what it looks...
  46. Replies
    2
    Views
    541

    Trane Propane Furnaces

    Ok, I will try to explain whats happening you guys:
    We have 2 Trane units side by side. Both tied to a common propane gas line. Both have their own separate regulators before the inlet on the gas...
  47. Replies
    19
    Views
    3,513

    No flame rolling out....

    No flame rolling out....
  48. Replies
    10
    Views
    1,977

    Hate zone systems. But they arent really...

    Hate zone systems.
    But they arent really difficult to install. What you stated is about all you need.
    Only other thing I would add in is a bypass. If only 1 or 2 zones of the 3 call for...
  49. Replies
    19
    Views
    3,513

    Why would a dirty or failed exchanger cause this?...

    Why would a dirty or failed exchanger cause this? I could see if it were rolling out...but....
  50. Replies
    37
    Views
    7,594

    Suprised there are no error codes.... Along with...

    Suprised there are no error codes....
    Along with everyone else I pray for your safety that there isnt 30+ in w/c pressure through that valves outlet. That would not be good.
    I had a Trane furnace i...
Results 1 to 50 of 145
Page 1 of 3 1 2 3

Related Forums

Plumbing Talks | Contractor MagazineThe place where Electrical professionals meet.
Comfortech 365