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Type: Posts; User: dangpgt97

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  1. Replies
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    I stopped using mine when I found out about the...

    I stopped using mine when I found out about the tiff zx. As sensitive as you need and no having to carry a box in one hand and a 4 inch probe in the other. Plus the annoying beep. Make a h10 in a...
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    477

    I had the same problem in a drive in freezer the...

    I had the same problem in a drive in freezer the size of a football field. By the time I got it to the lift and in position it was hard as a rock and cracked in my hands. Pure hell
  3. New Trane ComfortLink II XL950 Thermostat

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  4. Replies
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    7,468

    I agree. I don't know why we replace so many...

    I agree. I don't know why we replace so many turbasheds. My only thought was the impingment screen on the outside wall of the helical separator may get partially plugged over time. I don't know why...
  5. Replies
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    7,468

    Nothing wrong with either setup. They both work...

    Nothing wrong with either setup. They both work fine. Just saying there's nothing wrong with switching oil systems.
  6. Replies
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    7,468

    I've never seen one fail but I've seen many...

    I've never seen one fail but I've seen many changed out. So there's no impingement screen inside a helical oil separator?
  7. Replies
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    7,468

    Kind of on the same lines as jp you gotta make...

    Kind of on the same lines as jp you gotta make sure all floats are not over full. Sometimes you run in to a situation with ems and a oversized rack/small load where one comp will never run and it...
  8. Replies
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    7,468

    Whats wrong with removing a bad turbashed and...

    Whats wrong with removing a bad turbashed and installing separator and reservoir low pressure oil feed system? I do the same setup as jp to test if separator is working. I also will valve one off for...
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    1,151

    What force in a ice machine do you think would...

    What force in a ice machine do you think would cause a magnet to lose it's magnetism?
  10. Replies
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    531

    So safeway has known leaks and doesn't want to...

    So safeway has known leaks and doesn't want to pay to have them fixed? I've never worked at a safeway but the 200 markets we service always want all leaks fixed right away without question....
  11. Replies
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    1,660

    Being low on charge can cause an oil trip.

    Being low on charge can cause an oil trip.
  12. Replies
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    2,726

    Is the cost of modifying this going to be more...

    Is the cost of modifying this going to be more than a new under counter cooler? You'll have to remove the old evap, install txv and custom fit the new evap, modify the refrigerant piping and...
  13. Replies
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    1,238

    Ridiculous and uncalled for. Just saying its not...

    Ridiculous and uncalled for. Just saying its not that easy to adjust setpoint at walmart. Sorry.
  14. Replies
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    1,238

    [QUOTE=Phase Loss;16417911]You can use the "super...

    [QUOTE=Phase Loss;16417911]You can use the "super user" code.

    Or call Wall-Mart monitoring & have them lower the temperature setpoint of the circuit.

    It's just for a short period during the...
  15. Replies
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    1,238

    You have special access codes?

    You have special access codes?
  16. Replies
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    1,238

    You can do that at walmart?

    You can do that at walmart?
  17. I was going to ask you the same thing. I was...

    I was going to ask you the same thing. I was surprised to hear the high suction with the evap fans off. Maybe someone didn't understand the wiring or changed it so it could be a cooler.
  18. lol yep been there

    lol yep been there
  19. I've had the exact same experience with there...

    I've had the exact same experience with there equipment and customer service. They once told me the serial number I gave them for a new blast chiller we installed was incorrect. I sat there looking...
  20. Thread: iced up !!

    by dangpgt97
    Replies
    25
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    5,093

    Use a lift to get it out. I guess you could deice...

    Use a lift to get it out. I guess you could deice it, replace the drain pan and heaters, repair the drain line, repair the bent fan blades and possible some motors, replace whatever caused it to ice...
  21. Thread: iced up !!

    by dangpgt97
    Replies
    25
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    5,093

    Probably called on a Friday at 4:00 like it just...

    Probably called on a Friday at 4:00 like it just happened. I wouldn't deice that. I would replace the evap.
  22. Replies
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    1,439

    Had one a few years back that was clogged like...

    Had one a few years back that was clogged like that. Had to replace compressor, cap tube and drier. Started back up and it was still restricted. Outlet of the condenser was plugged with the same kind...
  23. Replies
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    7,878

    Thats what I do. I gernerally dont make flares....

    Thats what I do. I gernerally dont make flares. On pressure controls, ultracap and things I make them tight and if they leak I tighten until they stop leaking. What else are you going to do. I've...
  24. Replies
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    7,878

    If you keep the crows foot at a 90 degree angle...

    If you keep the crows foot at a 90 degree angle to the torque wrench you dont have to adjust the torque setting. It's only if you have it parallel you have to adjust torque because obviously it...
  25. Replies
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    2,033

    You did the right thing. Only takes a few more...

    You did the right thing. Only takes a few more minutes to cut it out and replace it. I've been on a few calls working on roofs in -20 temps and 40mph winds where someone brazed over the rub through...
  26. Replies
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    1,956

    You set superheat at the evap. If the lineset is...

    You set superheat at the evap. If the lineset is short maintaining compressor superheat at 20* minimum is more important than evap superheat. I doubt that ambient would affect 2 ft of suction line...
  27. Replies
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    1,956

    Whats wrong with adjusting superheat to 25...

    Whats wrong with adjusting superheat to 25 degrees at the compressor? If you have a short suction line you still need a minimum of 20 degrees superheat at compressor. Do the performance curve for the...
  28. Replies
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    4,097

    We got the plumber and stemfitters union. No...

    We got the plumber and stemfitters union. No refrigeration at all. I didn't go through any of it.
  29. Replies
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    Just out of curiosity are you guys in a union...

    Just out of curiosity are you guys in a union that actually teaches and tests you on refrigeration knowledge?
  30. Replies
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    4,305

    They think that the HR coil was sized for a...

    They think that the HR coil was sized for a parallel set up and ended up being piped series? Would you have to pump out the condenser in a parallel setup when it switches to the heat reclaim?
  31. Replies
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    4,305

    With heat reclaim on and a full condenser you may...

    With heat reclaim on and a full condenser you may get to a point where the hold back valve is coming in to play. Holding back and then opening causing the variation in receiver level. The 25 lb...
  32. Replies
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    5,501

    Dont leave until you find the leak. You know its...

    Dont leave until you find the leak. You know its leaking somewhere. Pressure controls, txv distributors, medium temp evap coils, flare nuts, liquid line solenoid valves, condenser coils....
  33. Replies
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    Probably not. They're all the same. I once got...

    Probably not. They're all the same. I once got accused of finding a leak and not fixing it. I tried to explain to them I have to find the leak before fixing it. They needed a new evap. They insisted...
  34. Replies
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    As long as it shows in the glass I wouldn't worry...

    As long as it shows in the glass I wouldn't worry about it. Even small k body compressors these days have an oil pump.
  35. Thread: Hill Phoenix

    by dangpgt97
    Replies
    19
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    2,746

    :yes:

    :yes:
  36. Thread: Hill Phoenix

    by dangpgt97
    Replies
    19
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    2,746

    If you service these it would be wise to carry a...

    If you service these it would be wise to carry a temp sensor and a pressure transducer.
  37. Replies
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    2,808

    Thanks for the tip about the towel. I service...

    Thanks for the tip about the towel. I service things as far as 6 hours away in a 2006 Ford with 200k on it. My lower back is just about shot from it. We run service vans to about 300k. They look like...
  38. Replies
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    Hussmann smg service case coils leak a lot. We...

    Hussmann smg service case coils leak a lot. We replace them all the time. Also don't be alarmed if your leak detector goes off in a hot water heat reclaim tank. The insulation will make it go off. Do...
  39. Replies
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    3,560

    We do more grocery store work than anyone and...

    We do more grocery store work than anyone and what jp said is spot on. For us by the time you make it to the machine room, and set down your tools, the office is on the phone asking when you're going...
  40. Replies
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    3,934

    Sight glass should be installed downstream of the...

    Sight glass should be installed downstream of the filter drier. You can figure out if you're short on gas or the drier is plugged it's not that difficult. Best place for the glass would be at the...
  41. Replies
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    618

    My first thought wouldn't be to add oil. I would...

    My first thought wouldn't be to add oil. I would check to make sure someone didn't create an oil trap somewhere in the systems and that the pipe pitch is right. Check to make sure the compressors are...
  42. Replies
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    This is correct. We had a problem with solenoid...

    This is correct. We had a problem with solenoid valves bleeding though so we called sporlan and this is the answer we received.
  43. Found it. System 350 Pressure Controls ...

    Found it.

    System 350 Pressure Controls
    ...
  44. Who makes them electronic t-stats you see on...

    Who makes them electronic t-stats you see on older condensers for fan cycling? The ones with 1 pressure transducer and you can link the electronic controls all together. If you gotta go without cpc...
  45. Thread: Tyler racks

    by dangpgt97
    Replies
    21
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    1,668

    I just happened to have the enviroguard manual...

    I just happened to have the enviroguard manual sitting next to me when I originally read this and it said a DDPR valve set to a 20 psi differential is required with ambients below 30 with the...
  46. Thread: Tyler racks

    by dangpgt97
    Replies
    21
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    1,668

    I shouldn't have said the ddr itself injects hot...

    I shouldn't have said the ddr itself injects hot gas into the receiver. Obviously it doesn't. It creates a differential and hot gas gets injected through the A9 and into the receiver with a cool gas...
  47. Thread: Tyler racks

    by dangpgt97
    Replies
    21
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    1,668

    Check the tyler enviroguard maunual. Section 16...

    Check the tyler enviroguard maunual. Section 16 page 1. Reciever gas defrost.

    I don't know if you have the manual or not but if you google tyler enviroguard hvac talk has a link that will come up...
  48. Thread: Tyler racks

    by dangpgt97
    Replies
    21
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    1,668

    That's the way the ddr is used in a hot gas...

    That's the way the ddr is used in a hot gas defrost setup.
  49. Thread: Tyler racks

    by dangpgt97
    Replies
    21
    Views
    1,668

    Cool gas defrost... That DDR valve is...

    Cool gas defrost...

    That DDR valve is injecting some hot superheated gas into the reciever making sure the reciever's pressure stays high enough during defrost to feed the "refrigerated...
  50. Replies
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    Like Jp said the suction pressure is out of line....

    Like Jp said the suction pressure is out of line. Bad compressor valves will do that.

    On a side note try and get the boss to buy you a sporlan Q or BQ kit. That'll save your butt next time you're...
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