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Type: Posts; User: MicahWes

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  1. Replies
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    Sleeve bearings are far superior to ball bearings...

    Sleeve bearings are far superior to ball bearings in these applications.

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    3,470

    I must add that preventing defrost heat and...

    I must add that preventing defrost heat and condensate blow off is not the only function of the fan delay. It also prevents the compressor from being overloaded in hot pulldown. Some equipment has Z...
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    It's very simple stuff. You need to know the line...

    It's very simple stuff. You need to know the line temperature and the normal dewpoint of the air around the insulation. The surface of the insulation must stay below dewpoint. Consult the insulation...
  4. Thread: Hoshi KM1601

    by MicahWes
    Replies
    57
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    1,420

    The new plate design with the two dimples was...

    The new plate design with the two dimples was designed to bridge across rows. This ostensibly helps ice fall during harvest. Are you telling me that Hoshi is officially recommending reducing cube...
  5. Happens all the time. I will usually quote all...

    Happens all the time. I will usually quote all the black rubber tubing (float boot, pump out tube in sump too) if one is starting to deteriorate.

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  6. Replies
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    2,586

    I replaced two dead neo touchpads this week. They...

    I replaced two dead neo touchpads this week. They weren't misbehaving, just completely unresponsive. It could be that the touchpad connector on the control board is damaged if someone ever tried to...
  7. Replies
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    2,586

    The original poster may have other issues, but...

    The original poster may have other issues, but after working on truckloads of Neos now, some general advice for everyone:

    -If it has a trough thermistor, remove it permanently on machines from...
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    599

    I think you're right. He isn't talking about...

    I think you're right. He isn't talking about shark tooth cubes from long harvests. This is a pocket or missing hollow chunk from the back of many cubes, usually in one section of the plate. It is...
  9. Thread: R600a

    by MicahWes
    Replies
    10
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    791

    Propane has pretty narrow limits of flammability....

    Propane has pretty narrow limits of flammability. More importantly, it cannot burn inside the system without plentiful access to oxygen. The oil and gas can ignite as it leaves an open tube into the...
  10. I have never seen an older Scotsman CME plate...

    I have never seen an older Scotsman CME plate look new for more than a month or two of service. They quickly look stained and pitted and bare, but they usually keep on working. There are still quite...
  11. Replies
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    1,018

    The PTCR in modern ice machines is the most...

    The PTCR in modern ice machines is the most reliable part! I don't even remember the last time I replaced one.

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  12. I used to carry those little intermatic timers on...

    I used to carry those little intermatic timers on my truck and used them for off cycle defrosts all the time.

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  13. Replies
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    2,061

    You aren't cloning the plant, you are propagating...

    You aren't cloning the plant, you are propagating it. Pretty big difference! Tomatoes are usually easy. If you just bury most of the stem of a cutting in moist soil it will readily root out.

    Sent...
  14. Replies
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    2,157

    That system had a metering device. You can tell...

    That system had a metering device. You can tell by looking at the u-bends and the green corrosion. The last few passes of each circuit have never really been much below the cold room temp and they...
  15. Replies
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    876

    Does it say SAFE MODE or STANDBY? They are...

    Does it say SAFE MODE or STANDBY? They are different things. If it says standby, check the bin control settings in the controller.

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  16. Replies
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    3,190

    You are evaporating at 40 degrees and condensing...

    You are evaporating at 40 degrees and condensing at 134 degrees. Assuming the cold room is near temp, and the condensing ambient is 85, with 134a, both of these temps are way too high. This system...
  17. Replies
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    1,530

    Are you sure the cap tubes are restricted and you...

    Are you sure the cap tubes are restricted and you don't just have leaking evaps?

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  18. Replies
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    Power lamp on and cpu flashing is normal full bin...

    Power lamp on and cpu flashing is normal full bin status for that machine. It won't make until the bin control requests ice, in which case the bin low lamp will come on. Since Follett Horizons can be...
  19. Replies
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    1,005

    Are you saying the pump out frequency is too...

    Are you saying the pump out frequency is too often, or the sump overflow down the drain during harvest is too long? If it's the latter, it is caused by dips 1&2 being on. This maxes out the harvest...
  20. The Horizon machines don't have bearings like the...

    The Horizon machines don't have bearings like the Maestro machines. There is a ceramic bushing and journal at the rear end of the auger, and the gearmotor supports the forward end. I have replaced a...
  21. Also, make sure you are actually seeing which...

    Also, make sure you are actually seeing which lamp is actually lit. The LEDs on the board are pretty far behind the little round cutouts on the control box. If you don't look at it head on it might...
  22. Keep in mind this machine will shut down on time...

    Keep in mind this machine will shut down on time delay under several normal conditions. The time delay lamp being lit does not indicate a problem unless a red service lamp is also lit.

    Sent from...
  23. Many domestic refrigerators with basic controls...

    Many domestic refrigerators with basic controls are still this way. My ten year old Maytag has freezer tstat. Fridge has damper with vapor tension actuator operating the damper. It will close the...
  24. Make sure you have the correct service manual for...

    Make sure you have the correct service manual for your machine. Follett technical documents are usually very good.

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  25. The condenser fan motors go bad somewhat...

    The condenser fan motors go bad somewhat frequently with the older Horizon machines, especially if they are installed under a cabinet with little ventilation and run hot. The fan assembly is not...
  26. Replies
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    Each municipality usually has its own rules about...

    Each municipality usually has its own rules about maximum refrigerated product temps. It was 41F in my area but was recently lowered to 40F. This is the FDA max and seems to be what most health...
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    The chance of contracting legionella from a hot...

    The chance of contracting legionella from a hot water tank is miniscule, especially if the water system is disinfected. If you are on a city water supply, there is no worry. If you insist upon...
  28. Replies
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    Not according to the OP. He is trying to add a...

    Not according to the OP. He is trying to add a timeclock to enable off-cycle defrost.
  29. Replies
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    1,382

    Can the existing Emerson digital control not be...

    Can the existing Emerson digital control not be configured for off-cycle defrost?
  30. Replies
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    Are you sure this system was designed for R22? ...

    Are you sure this system was designed for R22?

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  31. Replies
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    824

    Sounds like a normal ECM motor starting. Sent...

    Sounds like a normal ECM motor starting.

    Sent from my XT1080 using Tapatalk
  32. Replies
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    There have been millions of these units...

    There have been millions of these units previously and currently in operation with the condenser oriented this way. Of course it works!

    On a semi-related note; Never assume because process tubes...
  33. Thread: Follett L400A

    by MicahWes
    Replies
    13
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    3,274

    This is a fairly common issue with Follett...

    This is a fairly common issue with Follett dispensers, especially those with top mounted ice storage bins. The tube gets worn along the top at the last bend before the terminal end of the ice tube in...
  34. Thread: Hoshizaki

    by MicahWes
    Replies
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    1,695

    What size is the water line entering the filter...

    What size is the water line entering the filter manifold?
  35. Replies
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    1,083

    I have put hundreds of KE2 Temp + Defrost (medium...

    I have put hundreds of KE2 Temp + Defrost (medium temp) controllers, and many KE2 Evaporator Efficiency (low temp, same as MasterBilt MasterController) controllers. I haven't had any problems in...
  36. Thread: BluVac Repair

    by MicahWes
    Replies
    3
    Views
    870

    BluVac Repair

    Hello all! Last summer my BluVac micron gauge stopped working. I had a second one, so I put the broken one aside and forgot about it. My second one was recently stolen from a jobsite and I would like...
  37. Replies
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    Those plates aren't likely damaged from freeze-up...

    Those plates aren't likely damaged from freeze-up on the exterior (ice side) of the plates, they very likely were damaged from water flowing between (inside) the plates during freeze, hence the...
  38. Replies
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    3,986

    All of our problem KMS machines are brand new and...

    All of our problem KMS machines are brand new and subject to whatever Hoshi wants to do for warranty.
  39. Replies
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    3,986

    They aren't freezing up in the traditional sense....

    They aren't freezing up in the traditional sense. The mechanical bin controls are not working as intended and the machine restarts with a full bin.
  40. Replies
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    3,986

    We have installed 4 (two doubles) KMS machines...

    We have installed 4 (two doubles) KMS machines just like this on Follett storage bins this year. ALL FOUR of them have this problem. The bin extensions they sent helped a lot, but didn't solve the...
  41. Replies
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    7,785

    My point is, the majority of heat transfer is the...

    My point is, the majority of heat transfer is the result of phase change (condensation in this instance), not from the small gains from compressor motor heat or heat of compression. Desuperheating,...
  42. Replies
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    7,785

    That doesn't sound quite right to me!

    That doesn't sound quite right to me!
  43. Replies
    36
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    7,785

    Why is lower discharge temperature...

    Why is lower discharge temperature counter-productive for heat pumps?
  44. Thread: display HELP!

    by MicahWes
    Replies
    23
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    3,328

    You can't really do that with a pumpdown system....

    You can't really do that with a pumpdown system. You need more frequent defrosts, at the least. Also, if the room temp is much over 80F, you will never be able to keep that case at temp.
  45. Thread: display HELP!

    by MicahWes
    Replies
    23
    Views
    3,328

    4 times a day for 20 minutes is very likely not...

    4 times a day for 20 minutes is very likely not nearly enough for an open case that is not controlled by a pressure switch. I would have 10-15 minutes of defrost per HOUR if the relative humidity of...
  46. Thread: display HELP!

    by MicahWes
    Replies
    23
    Views
    3,328

    Is the A19 control the original control? We don't...

    Is the A19 control the original control? We don't have a lot of Marc stuff around here, but the few I service are controlled by a low pressure switch alone. They are very reliable for open cases. I...
  47. Remember that driers are full of dessicant....

    Remember that driers are full of dessicant. Doubling the size of a drier will (usually) double the size of the dessicant mass inside. Due to the fact that most of the internal volume is taken up by...
  48. Replies
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    6,898

    Pressure will be the SAME inside the box during...

    Pressure will be the SAME inside the box during the night. Well, always, except when the door was just opened.

    There is another problem somewhere, and it has nothing to do with relief ports.
  49. Replies
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    Closers are designed to be mounted on the center...

    Closers are designed to be mounted on the center of the door so that the door will more certainly be in range of the closer engaging when the gravity (maybe with spring assist) hinges are closing the...
  50. Replies
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    http://www.sdcsecurity.com/pth-Electric-Power-Tran...

    http://www.sdcsecurity.com/pth-Electric-Power-Transfer-Hinge.htm
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