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  1. Replies
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    Nice. Sent from my SM-N910V using Tapatalk

    Nice.

    Sent from my SM-N910V using Tapatalk
  2. Replies
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    I actually though about doing that with the...

    I actually though about doing that with the freezer i have, just putting a txv underneath at the condenser and running an appropriate line up to the Evap. But with a txv, wouldn't that require a...
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    I'm thinking like ummscott in space constraints. ...

    I'm thinking like ummscott in space constraints. And no sensing bulb. My only concern is superheat at the compressor especially in hot pull down.

    Sent from my SM-N910V using Tapatalk
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    I have a freezer in the garage I have been...

    I have a freezer in the garage I have been needing to fix as a garage freezer for keeping frozen meat/etc for myself. I think this is how I am going to do it. Just to try it myself.

    Sent from...
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    So you just set it to 13psig and forget it? I...

    So you just set it to 13psig and forget it? I like the idea. We have had issues with stores that like to stack stuff against the condenser and we get tires of changing plugged cap tubes. This would...
  6. Replies
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    Also check the ratings on the compressor. Some...

    Also check the ratings on the compressor. Some compressors have different btu ranges for different refrigerants. You might find you can use a suitable med temp refrigerant and get better service...
  7. Replies
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    There are only 2 "third party" companies we do...

    There are only 2 "third party" companies we do any work for, only because they pay well. We have done work for others, but usually end up getting the short end of the money stack.

    The problem with...
  8. As long as you put the receiver on the condenser,...

    As long as you put the receiver on the condenser, take out all the 24v controls and put in pressure controls for pump down (change the contactor to a 230v coil) a r22 txv and go with r407a (pull the...
  9. Thread: SORIT 12

    by CRussell1975
    Replies
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    768

    I use the same wrench. Comes in handy for a lot...

    I use the same wrench. Comes in handy for a lot of other things as well... like suction service valve caps, liquid line solenoids...
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    Picture says it all...

    Company before us had a bad semi, installed a scroll in its place. Had problems with it tripping on internal overload.


    599971
  11. Supermarket Tech Needed: Greenville SC/Spartanburg SC/Asheville NC

    Multi-state Commercial/Light Industrial and Supermarket service provider looking for experienced technicians to fill 2 openings in the Upstate SC to Asheville area to service existing and future...
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    2,830

    Bad thing about these electronic oil level...

    Bad thing about these electronic oil level controls (I am assuming it was an oiltraxx) is that is all they use on scrolls. I've got my guys valving them off and checking operation during PM's. We...
  13. Replies
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    About $200 a year for 15k. Once I buy my house...

    About $200 a year for 15k. Once I buy my house I'll probably get a rider on the homeowners to cover it.
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    Yesterday one of my techs had his bag stolen from...

    Yesterday one of my techs had his bag stolen from right beside him. He was bent over in a case adjusting superheat and someone snatched up his bag. I have had my whole truck cleaned out. I now...
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    982

    A lot of that is customer spec too. But I have...

    A lot of that is customer spec too. But I have seen a lot of bypasses on previously hard to service items. Gotta love someone actually paying a little extra on the front end to save a ton of money...
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    913

    Had these top bearings fail before. From...

    Had these top bearings fail before. From experience:

    Replace the whole bearing head/breaker assembly. The bearing is pressed in and unless you have a bearing press you won't be able to change...
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    My arsenal... Bubble Soap/Nitrogen as needed...

    My arsenal...

    Bubble Soap/Nitrogen as needed
    TIF ZX (a very sensitive machine, although the sensor should be changed ever 16 hours of run time)
    An OLD H10 that I had rebuilt
    A NEW H10PM
    A...
  18. Those ORZ cases can be a pain to change the rear...

    Those ORZ cases can be a pain to change the rear heater. easiest way... pull product, shelving, and take the panels out, then the bracket the panels slide into. There are also some 1/4 inch screws...
  19. I agree with ford... install a fan limit to shut...

    I agree with ford... install a fan limit to shut the fans off in defrost. Running the fans only circulates warm air around the product...

    Of course the pertinent question is... how long is the...
  20. Replies
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    Ooook E2 discharge is 190, correct? Set...

    Ooook

    E2 discharge is 190, correct?

    Set hold back to 180.

    Receiver pressure regulator to 170.

    Should work like a charm.
  21. Replies
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    1,504

    Don't know how you got that as redneck... even us...

    Don't know how you got that as redneck... even us rednecks k know that thar hairdryer ain't got enough heat ta defrost no coil...
  22. They only work correctly if you insert them from...

    They only work correctly if you insert them from behind the machine.
  23. Replies
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    Wondered what compressors were in the despensing...

    Wondered what compressors were in the despensing systems. Shoot, the way the wine tasting/dispensers are built in.... I haven't even found the condensers yet. Went to do a pm and without...
  24. Replies
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    {EMERGENCY CALL} Dairy Cooler Warm

    Got this call the other day, one of my techs sends me the pic. Customer states the Walk in cooler thermometer is pegged.

    Came like this from the factory and the installation company missed it. ...
  25. Replies
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    3,055

    Yeah... I agree with the compressor being too...

    Yeah... I agree with the compressor being too small, and agree with ice's recommendations. Could also install a small oil sperator on the CU. We had to do this with a system a while back. Simple...
  26. Sorry. Forgot the 10 degree td [emoji12]

    Sorry. Forgot the 10 degree td [emoji12]
  27. 10,800 btu/hr

    10,800 btu/hr
  28. Lol. This sounded more like a groaning... like a...

    Lol. This sounded more like a groaning... like a jet engine having a hard time firing up... it was bad. Lol. But the info I was posting was second hand too from my tech and I was trying to get some...
  29. I have the same problem with hussmann. Or...

    I have the same problem with hussmann. Or sending wrong parts when you do get a hold of them.
  30. Wellll.. found my problem. When the tech...

    Wellll.. found my problem.

    When the tech replaced the contactor he had insulation under one of the screws :-/

    Have learned that vfd drives are resilient. All of the contactors and motors...
  31. Replies
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    Budman, Sounds like you are wasting time and...

    Budman,

    Sounds like you are wasting time and losing money on a customer that wants the cheap or free fix.

    As stated before, the lpc (or cut in cut out) was set to pump the system down during...
  32. Just by a small glycol pump skid and run it...

    Just by a small glycol pump skid and run it glycol. Probably cheaper that buying all of those coils. I'd never even consider trying to convert a glycol coil to DX.

    A slave to the great and...
  33. Replies
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    Noooo. Cut the blue wire... or was it the red?...

    Noooo. Cut the blue wire... or was it the red? Be careful, cut the wrong one and the bomb goes boom.

    A slave to the great and powerful "product"
  34. Thread: InviroPac

    by CRussell1975
    Replies
    3
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    685

    They are great racks. Be careful of pressure...

    They are great racks. Be careful of pressure drops on the suction across filters... will ruin the compressors quickly. The other thing we have seen is leaks between the suction service valve and...
  35. Thread: InviroPac

    by CRussell1975
    Replies
    3
    Views
    685

    The iPac? A slave to the great and powerful...

    The iPac?

    A slave to the great and powerful "product"
  36. Never had that problem unless it was due to...

    Never had that problem unless it was due to vibration or stressed piping.

    A slave to the great and powerful "product"
  37. Stay Brite is a Silver Solder. Can join...

    Stay Brite is a Silver Solder. Can join refrigeration piping without as much heat.

    Ask for it at the parts house. Needs Flux.




    A slave to the great and powerful "product"
  38. Incoming voltage is 468v +/- 1 volt. Have not...

    Incoming voltage is 468v +/- 1 volt. Have not checked incoming amps.

    A slave to the great and powerful "product"
  39. Replies
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    In that case you have to add in the extra load of...

    In that case you have to add in the extra load of the make up air for the exhausted air.

    If that is the case, why not just install a MUA unit that can cool the incoming air that replaces the...
  40. Replies
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    The chlorine from the pool will eat a system up....

    The chlorine from the pool will eat a system up. What equipment do you have dealership with? Talk to them. They may have options for that enviroment. I know the equipment we sell on the hvac side...
  41. I don't remember the numbers exactly... but my...

    I don't remember the numbers exactly... but my tech said he was reading 735v l1 to l2, 134 l1 to l3, and 65 l2 to l3. (The 735 did not bother me as much as the variance... he was reading with a dmm...
  42. The contactors are all 120v coils run off of a...

    The contactors are all 120v coils run off of a transformer. All the coils fried (amazingly the transformer is ok) and the 2 contactors that close on vfd operation had welded contacts.

    I am...
  43. Replies
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    Ok. First thing that caught my attention was...

    Ok.

    First thing that caught my attention was "superheat is right". I bust my guys down hard for that statement. WHAT IS THE SUPERHEAT?

    OK. Now that I have had my rant.

    As stated we...
  44. Speaking of vfd's. I have one that I have to...

    Speaking of vfd's.

    I have one that I have to go look at Friday one of my techs ran across at one of the big marts on the condenser. We had a power issues during a storm and had to replace all...
  45. Ahhh the great and powerful "product". Makes a...

    Ahhh the great and powerful "product". Makes a service mechanic do some strange and twisted things at times...
  46. Replies
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    It's interesting. Most of the unitary systems I...

    It's interesting. Most of the unitary systems I work on have the fan cycle control on the discharge. Very seldom have I seen them on liquid. I look at it as vapor changes pressure easier than...
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    1,180

    Most are sized for keeping temp... not constant...

    Most are sized for keeping temp... not constant use or hot pulldown. When I size equipment... I always ask about hot pull down. 1 rack of 140 degree plus food can add a lot of load, not to mention...
  48. Replies
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    1,023

    If the fusible link is found... the next question...

    If the fusible link is found... the next question is why did it blow.

    Something I have always wondered. Why a fusible link and not a fuse?
  49. Replies
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    Install a quick chiller. Just big enough to hold...

    Install a quick chiller. Just big enough to hold a rack of product. Aging/tightly sized equipment is not going to be able to handle that hot pull down without problems.

    We have a couple of...
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    Sounds plausible. Question... you say it is not...

    Sounds plausible. Question... you say it is not charging. What is the voltage at the battery when the unit is running?

    With all the electronics in things today... the basic theory and operation...
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