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  1. Replies
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    Lol What do you mean you can't compress...

    Lol


    What do you mean you can't compress liquid!
  2. Replies
    22
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    4,022

    Thank you very much What do you mean you...

    Thank you very much


    What do you mean you can't compress liquid!
  3. Replies
    22
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    4,022

    Take and pipe 2 or 3 loops of copper off the...

    Take and pipe 2 or 3 loops of copper off the discharge line and place them behind fan then go into condenser. More condensing capacity! Or higher wattage fan


    What do you mean you can't compress...
  4. Replies
    12
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    672

    Heat pumps have come a long way. The Fujitsu...

    Heat pumps have come a long way. The Fujitsu RLS2H system is capable of putting out 75% of it's rated BTU output when the outside air temp is -15 degrees.
  5. Replies
    27
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    2,291

    Swap the two copper lines on the compressor,...

    Swap the two copper lines on the compressor, rebraze and go get lunch.
  6. Replies
    19
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    1,627

    The 3 in 1's are are ok as long as there is time...

    The 3 in 1's are are ok as long as there is time between the next call for cooling to allow it to cool. In A short cycling compressor situation the 3 in 1's are not so good
  7. Replies
    60
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    2,932

    I was working on a similar set up one time, I...

    I was working on a similar set up one time, I jumped out the hp switch and kept adding a little refrigerant, then boom I heard the restriction let go in the cap tube. I vented (adjusted) some to get...
  8. Replies
    43
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    2,800

    Vapor, it's about the vapor! And a change in...

    Vapor, it's about the vapor! And a change in state!


    What do you mean, you can't compress liquid!
  9. 30, 40 min defrosts per day, now that's funny! ...

    30, 40 min defrosts per day, now that's funny!


    Sent from my iPhone using Tapatalk
  10. Replies
    17
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    1,561

    Why? Sent from my iPhone using Tapatalk

    Why?


    Sent from my iPhone using Tapatalk
  11. Replies
    17
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    1,561

    How about two 5 ton Fujitsu cassette systems ...

    How about two 5 ton Fujitsu cassette systems


    Sent from my iPhone using Tapatalk
  12. Replies
    14
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    2,228

    It does seem logical, and no doubt it works....

    It does seem logical, and no doubt it works.
    Thanks for the reply.
    Flange
  13. Replies
    14
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    2,228

    Walkin cooler temp control placement?

    I just replaced a ranco cooling control with a johnson A419 digital control, for a walkin cooler. Evap fans in the back of the cooler. I placed the thermo sensing bulb for the control at 1/2 way...
  14. Replies
    27
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    3,521

    Yea check the zone sensor, make sure fan is in...

    Yea check the zone sensor, make sure fan is in auto, and program allows fan to do what you want it to do, ie cycle or continuous run.
  15. Replies
    28
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    11,209

    So what's the verdict on the Bullet?

    So what's the verdict on the Bullet?
  16. Replies
    11
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    1,155

    If I am charging up small reach in cooler,...

    If I am charging up small reach in cooler, ambient temp= 70f, add 30= 100f convert to 124 psi which is proposed high side press. for 134a. This is a cap tube sys. What should temp be at condensor...
  17. ok makes sense, is this what tech's mean when...

    ok makes sense, is this what tech's mean when talking about glide?
  18. Being a pure refrigerants, R134a, R12 and R22 can...

    Being a pure refrigerants, R134a, R12 and R22 can be charged either way. The blends like R401A, R409A, R410A and all in the 400 series of refrigerants must be charges as a liquid.

    The Azeotropes...
  19. Replies
    15
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    1,337

    Thanks for the info R-12. When you say bleed high...

    Thanks for the info R-12. When you say bleed high into low, you mean open high and low valves on the manifold let pressures equalize?
  20. Replies
    15
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    1,337

    Thanks a lot 404, You be very wise man, I must...

    Thanks a lot 404, You be very wise man, I must say.
  21. Replies
    15
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    1,337

    Not a prob bud, We are only human, my exwife...

    Not a prob bud, We are only human, my exwife doesn't think so, but she's a nontypical a$$hole anyway.
  22. Replies
    15
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    1,337

    Reliableac, 85 + 30 = 115, converted to 134a temp...

    Reliableac, 85 + 30 = 115, converted to 134a temp press scale is about 157 159 discharge press, I believe you are a little off.
  23. Replies
    15
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    1,337

    R404a, this unit has a constant cut in coil...

    R404a, this unit has a constant cut in coil sensing t stat, what is the bast way to tell if this type tstat is bad?
  24. Replies
    15
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    1,337

    ok here goes, I'm a bit green with charging small...

    ok here goes, I'm a bit green with charging small equipment.
    I have a sandwich prep table at subway.

    Cap tube
    R-134a
    Kitchen ambient 85 degrees

    Found evap froze, block of ice, evap fan...
  25. Replies
    6
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    938

    I did not check the ohm value I was just trying...

    I did not check the ohm value I was just trying to get my meter to sound off telling me I had continuity.
  26. Replies
    6
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    938

    I'm just trying to ring out the coil to check if...

    I'm just trying to ring out the coil to check if it is good or bad.
  27. Replies
    6
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    938

    On a Potential relay, say a mars 66, It seems to...

    On a Potential relay, say a mars 66, It seems to me that I should have continuity between terminals 2 and 5, Why is it that I don't have this when I am checking to see if the relay is good. Ther is...
  28. Replies
    10
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    8,014

    Thanks alot man. I've been to copeland's site, I...

    Thanks alot man. I've been to copeland's site, I think it could have been designed better, tough to navigate.
  29. Replies
    10
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    8,014

    What's an SST?

    What's an SST?
  30. Replies
    10
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    8,014

    Is there a coversion between compressor btus to...

    Is there a coversion between compressor btus to comp. horsepower?
  31. Replies
    8
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    2,569

    Oh yea the filter driers always get changed. I...

    Oh yea the filter driers always get changed. I went back today and I believe I was about 4 pounds under charged. This system has a subcool valve that does the totaly opposite that a txv would. The...
  32. Replies
    8
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    2,569

    I have the mueller service book and I might be...

    I have the mueller service book and I might be slightly undercharged I put 11.5 pounds in and book calls for 16. it says should have a condensing temp of 95deg at condensor outlet at milk temp lower...
  33. Replies
    8
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    2,569

    30-50#

    You are correct, this is a mueller highperform. The bulk tank has a two condensor skid set up, but we are only using one. I put 12 pounds r-22 in and I was satisfied with a 3 degree super heat at...
  34. Replies
    8
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    2,569

    I just replaced the suction accumulator/heat...

    I just replaced the suction accumulator/heat exchanger on condensor package. Changed filter drier, vaccumed, and recharged. These units run a flooded evap at 4 deg. superheat at evap outlet and a 10...
  35. Replies
    13
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    1,573

    Thanks guys, I'm beginning to see the light with...

    Thanks guys, I'm beginning to see the light with cap tube systems,they are a whole different ball game then others.
    This is a great sight. Thanks again.
  36. Replies
    13
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    1,573

    It's a dual feed cap tube, I can see through the...

    It's a dual feed cap tube, I can see through the condenser, but did not chem clean it. I've been told that in a commercial kitchen condensors tend to get a film of grease on them that needs to come...
  37. Replies
    13
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    1,573

    Alright, here is the situation, Reach in cooler,...

    Alright, here is the situation, Reach in cooler, copeland condensor package located on top, Hotshot. Ambient air temp in kitchen 95 F. condensor is clean and pulling air from screened window going to...
  38. Replies
    8
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    1,856

    Thanks partner, Today I will see If I can bring...

    Thanks partner, Today I will see If I can bring this fridge back to life. Have a good one.
  39. Replies
    8
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    1,856

    I sound like a hack, it's just I'm used to txv's,...

    I sound like a hack, it's just I'm used to txv's, orfices, and bigger systems. Cap tubes are a whole new thing for me.
  40. Replies
    8
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    1,856

    Is there a such thing as swedging a cap tube?

    Is there a such thing as swedging a cap tube?
  41. Replies
    8
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    1,856

    I've never done a cap tube replacement and need...

    I've never done a cap tube replacement and need to learn. My guess would be, install new drier on liquid line, attach cap tube. Cut cap tube from evap leaving an inch or so to allow swedging, then...
  42. Replies
    11
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    1,061

    Seems to me it might just be easier to replace...

    Seems to me it might just be easier to replace cap tube and drier.
  43. Replies
    11
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    1,061

    Do you mean like a three way valve on the removed...

    Do you mean like a three way valve on the removed suction line?, so I can push nitro through the valve, back to the evap, through the cap tube and in to the filter?
  44. Replies
    11
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    1,061

    How do you suppose I flush it?

    How do you suppose I flush it?
  45. Replies
    11
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    1,061

    Ok ok ok You're right, thanks again. Have a good...

    Ok ok ok You're right, thanks again. Have a good one
  46. Replies
    11
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    1,061

    Thanks for the info, So if I clean the condensor...

    Thanks for the info, So if I clean the condensor will the refrigerant start to flow or am I destined to change cap tube?
  47. Replies
    11
    Views
    1,061

    Hey guys, I need a little help. I'm normally...

    Hey guys, I need a little help. I'm normally working on larger refrigeration systems but I've been asked to look at a small reach in dessert cooler. Unit runs, but no cooling. Condenser looks very...
  48. Replies
    19
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    2,315

    Find leak an repair, pressure test, pull vac,...

    Find leak an repair, pressure test, pull vac, recharge, if system has a txv hold bulb in hand and watch your gauges, if gauges don't respond, replace txv. If evap has an orfice you might have a...
  49. Replies
    31
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    2,945

    Well gentlemen, I went back today and took care...

    Well gentlemen, I went back today and took care of the problem, thanks to a kick in the ass from you all. I found wrong Txv installed. It had a r-12, r-134a, and something else, I swapped it out with...
  50. Replies
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    2,945

    Well I guess I got some things to look at this...

    Well I guess I got some things to look at this morning when I rectify the situation later this morning. I'll post with the results later. Thanks alot gents.


    I will never again dick with the txv...
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