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  1. Replies
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    The original post always drifts to another...

    The original post always drifts to another subject as time gos on.. Just replace the valve is good advice. I have had techs that mess with tev adjustment for hours only to give up and finally replace...
  2. Replies
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    173

    If the fridge is still working itís not leaking...

    If the fridge is still working itís not leaking refrigerant.


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  3. For your long term goal, you will need 8 to 10...

    For your long term goal, you will need 8 to 10 years on the job experience. Just to learn the grocery store business. You may already know this, those contract are written by the grocery stores. They...
  4. Thread: Conversion

    by rickl
    Replies
    23
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    853

    I really wanted to get my hands on this unit,...

    I really wanted to get my hands on this unit, just for an autopsy if nothing else. I never seen one.


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  5. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    Ya I understand, kids donít do this at home...

    Ya I understand, kids donít do this at home statement. FYI the customer bailed. I guess he scraped the unit. Maybe cost was an issue,
  6. I think, if you review the manitowoc check list,...

    I think, if you review the manitowoc check list, you will find that you have a compressor valve problem. Or maybe a hot gas defrost solenoid leaking. Just my 2 cents worth.
  7. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    Sent data plate hope you got it. Sent from...

    Sent data plate hope you got it.


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  8. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    No it is co2. If I could post the data plate I...

    No it is co2. If I could post the data plate I would. I email it


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  9. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    Yep, thatís what happens. Propane leak, spark and...

    Yep, thatís what happens. Propane leak, spark and kaboom. Already dreamed that, that why we converting to 134a for the final conversion. So were installing a Danfoss 134a compressor, filter drier,...
  10. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    Sure send it on Sent from my iPhone using...

    Sure send it on


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  11. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    Thanks for your concern. I very safety minded...

    Thanks for your concern. I very safety minded too.


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  12. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    Oh the unit is dead unknown failure! Google...

    Oh the unit is dead unknown failure! Google Umbera g3-19


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  13. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    These new guys I got need the hands on training,...

    These new guys I got need the hands on training, a little beer and good times after 5:00


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  14. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    It a 17 cu foot glass door merchandiser. Just a...

    It a 17 cu foot glass door merchandiser. Just a test. We are going to convert to 134a after playing with it.


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  15. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    Well there is one in Austin. Made in Mexico

    Well there is one in Austin. Made in Mexico
  16. Thread: Conversion

    by rickl
    Replies
    23
    Views
    853

    Conversion

    Going to try converting a r-744 unit to R-290 next week. It going to be interesting event for the trainees and fun too.

    I let you know if it works out!
  17. Replies
    23
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    2,627

    Been there. I know I can fix the unit but not the...

    Been there. I know I can fix the unit but not the way they designed it or pay me for. So I get blamed for being incompetent
  18. Replies
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    921

    Ainít going to get any better that that and not...

    Ainít going to get any better that that and not pricy
  19. Replies
    17
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    921

    Ain’t going to get any better that that and not...

    Ain’t going to get any better that that and not pricy
  20. R600a has a soda vending machine with a 1966...

    R600a has a soda vending machine with a 1966 model compressor, that a good run !
  21. Thread: TXV Stuck Open?

    by rickl
    Replies
    15
    Views
    456

    I wish somebody would try the dime thing. I don’t...

    I wish somebody would try the dime thing. I don’t believe it has ever been done. Wouldn’t the power element leak where it is threaded to the valve. Or flood the system. I don’t think a good power...
  22. So your gonna put the bucks and time into and...

    So your gonna put the bucks and time into and sell it?

    Sent from my SM-T387AA using Tapatalk
  23. Thread: TXV Stuck Open?

    by rickl
    Replies
    15
    Views
    456

    OK cool. Your right on that. I never done the...

    OK cool. Your right on that. I never done the dime thing. We carried the sporlan tex kits on the truck.

    Sent from my SM-T387AA using Tapatalk
  24. Thread: TXV Stuck Open?

    by rickl
    Replies
    15
    Views
    456

    Forget the dime thing that will not work. Replace...

    Forget the dime thing that will not work. Replace the valve and be done with it.

    Sent from my SM-T387AA using Tapatalk
  25. Replies
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    408

    The bearings on a hoshi are black fyi

    The bearings on a hoshi are black fyi
  26. Replies
    17
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    408

    I think you need to check those bearing. Not a...

    I think you need to check those bearing. Not a follet person, but whin the bearing fail on a hoshi ya get black stuff in the ice
  27. Replies
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    Looks fine to me. As long as discharge line stays...

    Looks fine to me. As long as discharge line stays under 200 and system superheat is about 30 to 40. Your all good.

    Save the customer lots of cash? In the long run they will not remember this time...
  28. Thread: Test

    by rickl
    Replies
    0
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    252

    Test

    Testhttps://uploads.tapatalk-cdn.com/20200919/d89509676c65f5bfac653805b6cfca32.jpg

    Sent from my SM-T387AA using Tapatalk
  29. I would front seat that suction service valve....

    I would front seat that suction service valve. Comp should pump down at least to 10 inches of vacuum. If it doesnít, comp is bad. Replace it and the tev as well. My 2cents worth.
  30. Thread: Test

    by rickl
    Replies
    0
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    364

    Test

    Test
  31. Thread: Test

    by rickl
    Replies
    0
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    167

    Test

    Photo test
  32. If masterbiit will give the cut in and out your...

    If masterbiit will give the cut in and out your ok. If not go with the oem control. Less headache
  33. Replies
    12
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    1,097

    Had a prep table evap splitt right in the middle...

    Had a prep table evap splitt right in the middle of the coil. Told customer to junk it. Its a nice looking unit though .but they have very little warranty and part support. The disp in CA is a jerk,...
  34. Replies
    28
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    1,019

    Make that 1.5 ton ac unit. And tev only no cap...

    Make that 1.5 ton ac unit. And tev only no cap tube or piston type metering device
  35. Replies
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    1,019

    If you can find an old r22 ac condensing unit It...

    If you can find an old r22 ac condensing unit It will work. 2 ton with a 12,000 to 14,000 BTUH evap. Add a fan cycle because the condenser coil is oversized. Drop in that r12 replacement hot shot!...
  36. Replies
    58
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    1,947

    So all y’all did yo homework and found out a...

    So all y’all did yo homework and found out a properly operating system without a pump down will not cause a flooded start, no slugging. In fact the tev will close on the off cycle. The tev will not...
  37. Replies
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    477

    I worked on a few. Set to factory specs. One...

    I worked on a few. Set to factory specs. One thing for sure is the owner really gets piss off if the chocolate turns white. Be there done that.
  38. Replies
    58
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    1,947

    Not messing and I understand your point. We have...

    Not messing and I understand your point. We have weather colder than the walk-in temps too, not -20.
    But If y’all would understand the 4 pressures that Effect tev operation you would know a pump...
  39. Replies
    58
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    1,947

    Refrigeration in Texas is the same as cold...

    Refrigeration in Texas is the same as cold climates. They donít make both warm climate and cold climate units, I am thinking in cold areas the units are located in Penthouse, but I may be wrong on...
  40. Replies
    58
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    1,947

    Your right and wrong at the same time. There will...

    Your right and wrong at the same time. There will be no overload or liquid slugging at startup after the off cycle. Think about how a txv works. Breakout those old textbooks.
  41. Nothing if its a liquid line valve, Hot gas valve...

    Nothing if its a liquid line valve, Hot gas valve I not sure

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  42. Replies
    58
    Views
    1,947

    Nope remember the txv will prevent That. The...

    Nope remember the txv will prevent That. The only benefit is that you don't need to run wiring to the condensing unit

    Sent from my SM-T387AA using Tapatalk
  43. Replies
    9
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    510

    Dam thing works great most of the time , but we...

    Dam thing works great most of the time , but we get that call at 9:00 pm to 11:00 pm help my coil iced up !! Under warranty come out no charge I am not paying. I know how to fix that problem , but it...
  44. Replies
    9
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    510

    Well I have a new customer with one. They have a...

    Well I have a new customer with one. They have a chronic problem with the evap coil icing. Temp control has defrost 4 time per day at 25 minutes. So itís a new place just opened. Heavy use, door is...
  45. Replies
    9
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    510

    Thanks all . Now a question for all the...

    Thanks all . Now a question for all the professionals. Have you seen a air curtain installed on the inside of a walk-in door?
  46. Replies
    9
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    510

    constant cut in control

    I recall a few posts concerning constant cut in reach in cold controls, but i forgot and cannot find those part numbers. Can any help?
    I am thinking they are Ranco?

    thanks

    RL
  47. Replies
    18
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    611

    Yep the only purpose of the cro is to prevent the...

    Yep the only purpose of the cro is to prevent the compressor from being overloaded

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  48. Replies
    18
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    1,103

    I have found over the years on those models, a...

    I have found over the years on those models, a weak compressor is very common when they get 5 to 8 years on em. We replace those machine all the time. But sometimes it is the defrost solenoid leaking...
  49. Replies
    18
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    611

    Head and suction low and superheated is high. Add...

    Head and suction low and superheated is high. Add gas until you think the head pressure is over the condensing pressure of ambient plus 30 degress. Then you will know, low on gas or restriction.
    ...
  50. Replies
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    622

    If it is a Italian that 210 may mean it blows at...

    If it is a Italian that 210 may mean it blows at 210 c.

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