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  1. Thread: potential relays

    by baub
    Replies
    8
    Views
    240

    Current relays on fractional HP, and potential...

    Current relays on fractional HP, and potential relays on 3/4 - 1 HP and up.
  2. Replies
    24
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    640

    There are three kinds of men. The one that learns...

    There are three kinds of men. The one that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves.

    Will Rogers

    Read this-...
  3. Replies
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    1,354

    You never posted the mod number of your machine,...

    You never posted the mod number of your machine, so I'm guessing it is a 404-A machine with an E board. The machine goes into harvest and stays in this mode until the suction line thermistor reaches...
  4. Replies
    31
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    1,715

    Looks like an old floor furnace . See the rod...

    Looks like an old floor furnace . See the rod attached to the gas valve knob? You used it to control the gas valve/pilot without getting in the crawlspace.

    Just guessing, but I would say early...
  5. Replies
    8
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    520

    The fan is hiding between the coil and the...

    The fan is hiding between the coil and the compressor.
  6. Replies
    8
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    520

    The line is the capillary for the pressure...

    The line is the capillary for the pressure control. Yea, the pressure control is likely original too- black metal, not even black plastic!
  7. Replies
    8
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    520

    Classic Victory Reach-in

    I have serviced this school account for 30 years, and have always loved this Victory cooler. I'm guessing it's about 60 years old (note the label tag, when there is no zip code, you know it's old),...
  8. Replies
    26
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    1,138

    A coil sensing thermostat (constant cut-in like...

    A coil sensing thermostat (constant cut-in like pecmsg said) would be the best solution. Ranco A12-700 or 701.

    A lot of residential units will run with the power to the defrost timer supplied by...
  9. Replies
    23
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    1,110

    Check continuity on the float. The reed switch...

    Check continuity on the float. The reed switch might be stuck closed. I assume you cleaned the inside of the float chamber and the float.
  10. Thread: PTC issue

    by baub
    Replies
    26
    Views
    1,255

    Here is a good article from RSES on all...

    Here is a good article from RSES on all fractional HP start relays.

    http://www.rses.org/assets/rses_journal/0514_Compressors.pdf
  11. Replies
    35
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    1,623

    For what it's worth-

    I have worked on a number of Hoshi sandwich or pizza tables, and it looks like the evap changing would be a lot easier than a True.

    They all are sub-par, due to " I want to spend as little as...
  12. Replies
    22
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    1,354

    I have found when you have a harvest problem on a...

    I have found when you have a harvest problem on a Hoshi KM, first pop off the top-

    Pull the distribution tube, funnels, and fill tube- are they clean?

    Look down thru the evaporator and check...
  13. Replies
    6
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    687

    I serviced a Master-bilt gelato case recently,...

    I serviced a Master-bilt gelato case recently, with a small leak. Mind you, this is a $18,000 case. The manufacturer used a braided line on the suction side for pulling out the condensing unit. ...
  14. Replies
    22
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    1,947

    This is mine-

    I built this rig about 30 years ago- over the years it has served me well, with a little maintenance. The four clips on the right are common, start,run and ground. The two blacks are for the...
  15. Thread: A liittle help...

    by baub
    Replies
    4
    Views
    921

    A liittle help...

    This should probably be in the commercial section, but not much activity there.

    Normally I just do commercial refrigeration, but was called out by a well driller I know, who does ground source...
  16. Try using a rheostat on the heater circuit.

    Try using a rheostat on the heater circuit.
  17. Thread: Koolaire

    by baub
    Replies
    11
    Views
    913

    Yes, water level control. Here is the service...

    Yes, water level control. Here is the service manual. See page 57 for a picture of the sensor. It looks pretty basic, without all the useless bells and whistles of the Indigo. And yes, X3 n the...
  18. Thread: Koolaire

    by baub
    Replies
    11
    Views
    913

    Thanks for the input.

    Thanks for the input.
  19. Thread: Koolaire

    by baub
    Replies
    11
    Views
    913

    Koolaire

    So the Koolaire ice machine (by Manitowoc) line has been out there for a while.

    Anyone have field experience with them?
  20. Some bigger shops in Buffalo- MESMER...

    Some bigger shops in Buffalo-

    MESMER REFRIGERATION INC.
    519 HAMBURG ST.
    BUFFALO, NY 14204
    PHONE 716 855 0575

    TDH Refrigeration
    55 Boxwood Ln
    Buffalo, New York 14227
  21. And cork insulation.

    And cork insulation.
  22. Replies
    43
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    2,439

    Because you are predicting the closing of the GA...

    Because you are predicting the closing of the GA facilities with no facts. As I remember, when Hoshi started building in the USA, pumps and boards were imported from the home company until they...
  23. Replies
    43
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    2,439

    This from http://www.icemakers.com.au Today,...

    This from http://www.icemakers.com.au

    Today, Hoshizaki Electric Company operates 6 plants in Japan, 2 in the United States, 1 in the United Kingdom and 1 in China. The total Hoshizaki group...
  24. Replies
    17
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    1,122

    Back in the early 70's I hooked up an old...

    Back in the early 70's I hooked up an old Kold-Draft (I took in trade) in my newly started ice delivery business. I threw in some clear cleaner, let it run over-night, and came back in the morning...
  25. Replies
    40
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    2,714

    You want an old school toaster?

    Get ready to pay, but they are still available.

    http://www.toastercentral.com/
  26. Thread: Ohm's Law

    by baub
    Replies
    1
    Views
    380

    Ohm's Law

    Here is an interesting visual of Ohm's law.


    https://www.youtube.com/watch?v=UUPSGvWr6xE#t=666
  27. Thread: Accumulators...

    by baub
    Replies
    4
    Views
    468

    I think we are talking about something a little...

    I think we are talking about something a little smaller than a rack. http://kebawe.com/smellies/smellie_lol.gif
  28. Thread: Accumulators...

    by baub
    Replies
    4
    Views
    468

    Here is what they look like inside-

    This is a bullet type accumulator showing the inside. Note- It doesn't have the j tube with the weep hole for oil return like it's bigger brother on a larger condensing unit. No way for it to get...
  29. Replies
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    891

    http://www.tcrefsystems.com/

    http://www.tcrefsystems.com/
  30. Replies
    12
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    1,073

    Give it a bit of a think- if the cap/drier is...

    Give it a bit of a think- if the cap/drier is restricted, the only place for the refrigerant to go is the condenser (can't make it to the evaporator), so the liquid refrigerant stacks up in the...
  31. 508021

    508021
  32. Replies
    7
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    604

    The coil likely has plugs on the ends, and since...

    The coil likely has plugs on the ends, and since there is no oil in a new evaporator, moisture should not be a problem.
  33. Replies
    34
    Views
    2,198

    Sounds like a dirty evaporator and/or a leaking...

    Sounds like a dirty evaporator and/or a leaking check valve.
  34. Replies
    10
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    750

    Take the time to read the rules- Equipment...

    Take the time to read the rules-

    Equipment Owners- Guests are allowed to post questions to our industry professionals relating to help with your existing issues or future equipment strategies. You...
  35. Replies
    4
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    677

    A price would be nice!

    A price would be nice!
  36. Replies
    2
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    382

    This? ...

    This?

    http://hvac-talk.com/vbb/showthread.php?1328321-Stocking-Tecumseh-current-relays&highlight=start
  37. Replies
    4
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    1,079

    Here is the PFD for adjustments to the Ranco A12...

    Here is the PFD for adjustments to the Ranco A12 series stats.

    If you have to adjust these on an older stat, be aware that the linkage is probably wearing out.
  38. Replies
    26
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    1,781

    I agree if the system is flat, use an access...

    I agree if the system is flat, use an access stub.

    But if you are taping into a charged system and use a tap-

    Make sure the line is straight and clean (use a little sandcloth).

    Lube the...
  39. Replies
    20
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    1,503

    Remember- if you do general warranty work for...

    Remember- if you do general warranty work for unitary equipment manufacturers, you are directly supporting the on-line dealers who are cutting your throat on new equipment pricing. They have no...
  40. Replies
    5
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    635

    Lots of Wegmans in my area. I have never talked...

    Lots of Wegmans in my area. I have never talked with a company tech, but Wegmans is always at the top of the Fortunes best place to work list.

    I know that's not much, but hope it helps.
  41. Replies
    22
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    1,196

    Here is some good info from National...

    Here is some good info from National Refrigerants-

    Decomposition can occur with any refrigerant when it gets hot enough (generally above 700° F). Refrigerant can decompose in systems or containers...
  42. Thread: best window box ?

    by baub
    Replies
    8
    Views
    403

    Mikey- I have had good luck over many years with...

    Mikey- I have had good luck over many years with Comfortaire. Bet I sold a hundred of the old 3 ton Power-aires, but alas efficiency ratings have made them obsolete.
    ...
  43. Replies
    28
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    2,088

    Manitowac's new Kool-aire IM line uses 410-A.

    Manitowac's new Kool-aire IM line uses 410-A.
  44. Thread: Door Gaskets

    by baub
    Replies
    20
    Views
    2,940

    For custom work contact Central States Services. ...

    For custom work contact Central States Services. For unique problems they are the best. Ask for Dennis.

    http://www.centralstatesgasket.com/index.html
  45. Replies
    34
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    1,762

    OP said condenser was clean.

    OP said condenser was clean.
  46. Replies
    34
    Views
    1,762

    Suction pressure of 22# gives you a saturated...

    Suction pressure of 22# gives you a saturated suction temperature of 25 deg. Way to high for a domestic refrigerator. Sounds like a weak compressor.
  47. Replies
    22
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    2,267

    An electric heat gun is handy to have with you. ...

    An electric heat gun is handy to have with you. As you press in the arrow dart you can CAREFULLY warm the gasket.

    As Dad said, pull the old gasket out slowly... if you break the dart channel, you...
  48. Thread: R22 still used?

    by baub
    Replies
    16
    Views
    1,426

    You are incorrect- Since 2010, the EPA has...

    You are incorrect-

    Since 2010, the EPA has banned sale of "new air-conditioning units containing R-22".

    Production of R-22 has continued since 2010, and in 2013 production and importation of...
  49. Replies
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    5,860

    I use a Triton T2 and have been very happy with...

    I use a Triton T2 and have been very happy with it.

    http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Daps&field-keywords=triton+t2
  50. Replies
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    4,206

    I think they lost their mojo back in the 80's. ...

    I think they lost their mojo back in the 80's. That's when the manufacturers started switching to 502 from 12, and began using circuit boards vs. the old mechanical controls.
    Instead of the old...
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