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Type: Posts; User: MicahWes

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  1. Replies
    21
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    1,068

    Just for everyone's curiosity, the hot gas...

    Just for everyone's curiosity, the hot gas harvest cycle on a Hoshizaki KM machine is assisted by the inlet water, not the other way around. It is just semantics, but I think it is interesting to...
  2. Replies
    2
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    718

    They are still widely used. Manitowoc curtain...

    They are still widely used. Manitowoc curtain switches come to mind.
  3. Replies
    2
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    555

    On the original board, there should be a force...

    On the original board, there should be a force defrost/normal jumper that you move.
  4. Replies
    12
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    912

    Restriction=no work be being done= low head.

    Restriction=no work be being done= low head.
  5. Thread: R-22 retrofit

    by MicahWes
    Replies
    31
    Views
    1,838

    Keep it R 22. There is absolutely no reason to...

    Keep it R 22. There is absolutely no reason to retrofit in this application.
  6. Replies
    12
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    912

    I'm surprised with two pounds of refrigerant in...

    I'm surprised with two pounds of refrigerant in that small system the compressor would even run. Anyway, the answer is pretty easy if you just think about it for a moment... You know the charge is...
  7. Replies
    19
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    1,314

    True used to recommend running replacement cap...

    True used to recommend running replacement cap tubes up through the suction lines. I have done it several times. A handful of times I had to give up due to not being able to get the tube through a...
  8. Probably. This stumps folks a lot. The hissing...

    Probably. This stumps folks a lot. The hissing TXV was a dead giveaway.
  9. Replies
    43
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    2,316

    We have several Kold-Drafts running in my city...

    We have several Kold-Drafts running in my city now. One with the optional crusher. They do OK. They have needed some random things (a few pumps, most notably), but have generally been OK. The have a...
  10. Replies
    15
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    2,448

    It should be noted that there is no Follett LC12....

    It should be noted that there is no Follett LC12. The icemaking equipment is most likely a 12CI400A, or similar. I work on hundreds of Follett countertops, remote Maestro's and Horizon's, and the new...
  11. Replies
    41
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    2,729

    While sometimes these similar tools (and other...

    While sometimes these similar tools (and other items) ARE indeed the exact same thing, there are a large amount of tools that are made to different specifications for different customers (retail...
  12. Replies
    12
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    487

    Make sure the machine is producing the proper ice...

    Make sure the machine is producing the proper ice quality. It should be nugget ice. The pieces should be very distinct and hard. You probably have a refrigeration problem that is causing the machine...
  13. Replies
    39
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    1,912

    I went this afternoon. The equipment is a 1985...

    I went this afternoon. The equipment is a 1985 Norlake drop-in unit on top of the box. It started with R12, then was changed to R401(MP39). That apparently remained in service until sometime in the...
  14. Replies
    39
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    1,912

    Illegal?

    Illegal?
  15. Replies
    39
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    1,912

    The P/T charts for the two refrigerants are very...

    The P/T charts for the two refrigerants are very similar.
  16. Replies
    39
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    1,912

    That is probably what I will end up doing. I want...

    That is probably what I will end up doing. I want to go there and see the condition of the equipment first. This customer is cheap. I get the feeling he just wants a gas and go. He isn't very...
  17. Replies
    39
    Views
    1,912

    Mix 414b and 409a?

    I have an occasional and somewhat annoying ice machine customer that has now called me about his 20+ year old walk-in cooler. I didn't make it there Thursday, but I am going in the morning. I have...
  18. Slugging and floodback are two different things.

    Slugging and floodback are two different things.
  19. Replies
    11
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    1,483

    Whatever you do, do NOT sand the evap walls too...

    Whatever you do, do NOT sand the evap walls too smooth. If you do, the ice will sometimes rotate with the auger instead of being forced upward. It will freeze up and torque out in 20 seconds under...
  20. Oh, and yes. You can remove the bearings without...

    Oh, and yes. You can remove the bearings without replacing any seals. The top bearing housing has no seal. Just remove band and twist out top bearing housing. The bottom bearing housing just has an...
  21. Check all the obvious things: Is it clean? This...

    Check all the obvious things: Is it clean? This includes the ice compression nozzle. If you have more than one random torqueout, just remove the bearings and check them. It is so easy on Folletts.
    ...
  22. Replies
    26
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    1,719

    It has nothing to do with saving a negligible...

    It has nothing to do with saving a negligible amount of profit per unit. It has to do with service life reliability. Over the service life of your average, well-maintained reach-in, there is no need...
  23. Replies
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    801

    If you put a non-oem (not a constant cut-in)...

    If you put a non-oem (not a constant cut-in) control on a True reach in, are you sensing air temp or coil temp? I wouldn't put an air temp control on one of those boxes. You will have freeze up...
  24. Replies
    15
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    1,223

    Remember, a solid-core drier that is a size or...

    Remember, a solid-core drier that is a size or two larger does not hold very much extra refrigerant. A larger drier has a larger dessicant/filtration core and won't hold much more liquid.
  25. Replies
    13
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    1,353

    I think those covers are there more to contain...

    I think those covers are there more to contain shrapnel from a terminal blowout than they are to protect anyone from the live electrics.
  26. Replies
    32
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    1,993

    They don't need heaters. They need more defrosts....

    They don't need heaters. They need more defrosts. Some of my problem open cases run at least a 20 minute defrost every two hours to keep coils clear. You also need to make sure the coil superheats...
  27. I am not familiar with the model you listed, but...

    I am not familiar with the model you listed, but I think you might be misunderstanding the refrigeration circuits. Most Victory cold-wall prep tables have two circuits; One for the evaporator below,...
  28. Replies
    12
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    763

    Different refrigerants are different densities,...

    Different refrigerants are different densities, so a hose full of liquid of one kind of refrigerant will be a different weight than a hose full of a different refrigerant. It isn't a huge deal when...
  29. Replies
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    1,414

    The left hand condenser fan blade is on the wrong...

    The left hand condenser fan blade is on the wrong way around, and the blades don't even match.

    The condenser is probably dirty. They always are.
  30. Thread: pump down

    by MicahWes
    Replies
    20
    Views
    1,581

    I have heard many times that the main purpose of...

    I have heard many times that the main purpose of a fan delay is to lower load on compressors. I don't really agree.

    During hot pull down, the fans stay off until coil is below freezing, then they...
  31. Replies
    19
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    1,574

    I have hundreds of mechanical, remote bulb...

    I have hundreds of mechanical, remote bulb controls mounted inside cold rooms. They work just fine that way. Also, loosing head pressure during low ambients will usually cause the suction line temp...
  32. Wow, Mr. Guy! That would cut my business in half!...

    Wow, Mr. Guy! That would cut my business in half!

    I used to roll my eyes when I encountered a reach in with no ports, but I understand why they do this. It really is best for small systems with...
  33. I can only think of one grill cooler (of maybe...

    I can only think of one grill cooler (of maybe 100 that are in my service locations) that could be remoted. They have to be able to be moved out from under the hood.
  34. The purpose of the fan delay is to allow the...

    The purpose of the fan delay is to allow the defrost heat added by the heaters to be removed instead of blown into the room, and to allow residual moisture to re-freeze on the coil so it isn't blown...
  35. Replies
    21
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    1,393

    Well, it sounds like the overload is sensing an...

    Well, it sounds like the overload is sensing an overload!
  36. Most beers would probably be fine (not frozen)...

    Most beers would probably be fine (not frozen) around 28F, but if a standard keg pressure is maintained over the beer (10-14psig) at those temps the beer will overcarbonate quite a bit and be very...
  37. They can have all the opinions they want, what I...

    They can have all the opinions they want, what I stated is matter of physics.
  38. 33-34 is too cold for storage of keg beer. If not...

    33-34 is too cold for storage of keg beer. If not allowed to warm up a little before tapping, it will over carbonate.
  39. Replies
    21
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    4,952

    What is wrong with this piping? I don't see...

    What is wrong with this piping? I don't see anything that would cause any oil return issues with that tiny little system.
  40. Replies
    17
    Views
    1,327

    The sanitize light on Prodigy's is turned on...

    The sanitize light on Prodigy's is turned on based on elapsed time and means nothing to to the operation of the machine. You can change the amount of time that has to pass before it illuminates, or...
  41. Replies
    13
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    1,397

    Make sure the water pump is pushed firmly up into...

    Make sure the water pump is pushed firmly up into its mount.

    Sent from my ADR6350 using Tapatalk 2
  42. Replies
    0
    Views
    375

    Manitowoc RFO399A Condenser Fan Cycling

    Hello all. Last week I sold a customer an RF0399A flaker. I haven't sold this particular model to anyone before. Well, right out of the box the condenser fan is cycling excessively. It would run 5...
  43. Replies
    12
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    929

    Well, the unit would run fine when jumped out on...

    Well, the unit would run fine when jumped out on the roof with all the t-stat wires disconnected. Checked wires going down = OK. Luckily, this store has 8 identical units and stats. Just switched two...
  44. Replies
    6
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    873

    I would put it almost on the floor. I think most...

    I would put it almost on the floor. I think most PTAC's evaporate all their condensate, so it shouldn't be an issue.
  45. Replies
    12
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    929

    I ran across it today. It was a bad thermostat.

    I ran across it today. It was a bad thermostat.
  46. I had to change the compressor in one of these...

    I had to change the compressor in one of these last week where the ice cream sink AND the hand sink were both hanging down into the condensing unit compartment.
  47. Replies
    10
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    679

    Hopefully there is also some allowance for...

    Hopefully there is also some allowance for make-air in a room that holds that many people.
  48. Replies
    10
    Views
    679

    I'm confused as to why it is so hot on the main...

    I'm confused as to why it is so hot on the main floor of the auditorium? I have a couple of theaters. One is a single screen that is about 80 years old. We have a problem there with the rear being...
  49. Replies
    22
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    1,421

    I have changed two leaking encapsulated controls...

    I have changed two leaking encapsulated controls this week already.
  50. Replies
    7
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    741

    Why? I don't really have any issues with unit...

    Why? I don't really have any issues with unit coolers in walk-ins developing leaks like small reach-ins do.
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