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Type: Posts; User: Armament

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  1. Replies
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    Works just fine.

    Works just fine.
  2. Replies
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    585

    High suction and low head. Bypass should only...

    High suction and low head. Bypass should only really come on about 57-58.... I'd peek around and see how hot the discharge is as well as the suction. Is it a recip?
  3. Not that this is the case but if you have a leg...

    Not that this is the case but if you have a leg of power going to your compressor and you try to ohm it out you'll get similar readings. I had a seized comp on startup. I was checking the winding...
  4. Replies
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    1,739

    the only recommendation I would have had is...

    the only recommendation I would have had is saddles. Over time the insulation will compress on the roof support and the wall clamps. No biggie. Nice work. I honestly never see inverted traps. Good...
  5. Replies
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    1,123

    One would think the pressure difference would...

    One would think the pressure difference would push it through regardless. 90% of cases I've seen are on their side (Hussman, hill). I want to say I remember older cases having them upside down. While...
  6. Replies
    56
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    4,322

    Are you sure? Are you talking about kool gas/hot...

    Are you sure? Are you talking about kool gas/hot gas/ three pipe single unit hot gas defrost? The sole purpose of "discharge bypass" is capacity modulation by introducing an artificial load on the...
  7. Replies
    56
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    4,322

    I'm not sure if you're being sarcastic or not....

    I'm not sure if you're being sarcastic or not. Why would you put a rise on multiple suction circuits piped to a common suction line if you don't need to?

    Further if it had a discharge bypass...
  8. Replies
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    4,322

    I have no idea why the suction lines didn't drop...

    I have no idea why the suction lines didn't drop vertically into each other. If that's hgbp, why didn't they tee into the distributors and why isn't th bypass line insulated? This is just odd
  9. Replies
    9
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    1,317

    I wouldn't be so quick to judge. That's a dirty...

    I wouldn't be so quick to judge. That's a dirty spot to brake and what's always worse than an ugly brazen is a leak.
  10. Replies
    8
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    366

    Is there a discharge air thermistor that's gone...

    Is there a discharge air thermistor that's gone bad? Completely unrelated but I had a heat pump freezing up intermittently because the thermistor resistance was Off causing it to come out of defrost...
  11. Replies
    16
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    805

    Get some micro bubble soap or snoop. I found a...

    Get some micro bubble soap or snoop. I found a Lennox rtu out of gas once. It held pressure for 24hrs at Around 300 psi. The only reason I found the leak was oil on a suction line swedge and snoop...
  12. Replies
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    1,024

    Having worked on several racks over the years and...

    Having worked on several racks over the years and doing gas conversions I've run into many a squinched dill core inside the shraeder. Torque Magee comes onto it and it deforms the head just enough...
  13. Replies
    22
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    993

    I've seen a lennox rtu with no heaters or...

    I've seen a lennox rtu with no heaters or pressure controls. That's extra....
  14. Replies
    40
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    1,557

    Basic hand tools, Clamp meter, drain buster, ear...

    Basic hand tools, Clamp meter, drain buster, ear muffs and some pills to up your immune system
  15. Replies
    152
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    34,598

    I'll leave this one to the Guinea pigs! I'm...

    I'll leave this one to the Guinea pigs! I'm waiting to see how shark bites fair out over 5-10 years...

    I just don't know about hit gas defrost, butter cold temperatures (like our winters up here)...
  16. The fluke 787 and a couple other process...

    The fluke 787 and a couple other process calibrators will source and simulate 4-20 loops. If you drop a 500 ohm resistor across your loop you'll get 2-10 volts. 250ohms will give you 1-5 vdc. The...
  17. Ok. What's the difference?

    Ok. What's the difference?
  18. Lets go with, do lithium ions, aside from the...

    Lets go with, do lithium ions, aside from the different voltage/current characteristics charge like the common lead acid battery?
  19. I'm sure it's a rediculous question but does it...

    I'm sure it's a rediculous question but does it charge like a conventional nicd battery? If one was to splice some solder less terminals on and put it into the battery compartment would it then...
  20. H10-pm battery change out to Li-ion (resurrected)

    Alright gentlemen. I got my hands on a brand hammering h10-pm that was never used but stored for years. The thing had never been turned on. As one would guess with the bulky power sonic 1220 it was...
  21. Replies
    5
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    491

    Mixing loop?

    Mixing loop?
  22. Replies
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    1,866

    Transformers run on smoke! Don't let the smoke...

    Transformers run on smoke! Don't let the smoke out.

    I hate unprotected transformers. The ones with the integrated mini breaker make things a lot easier. I've found pressure control wires chaffed...
  23. We did a lot of experiential with 250 and 500 ohm...

    We did a lot of experiential with 250 and 500 ohm resistors. Cards should be in today. I'll know more when we try
  24. Thread: Veto issues

    by Armament
    Replies
    40
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    2,983

    My fault for not keeping the receipts. I went...

    My fault for not keeping the receipts. I went through three veto bags before I said no more. They were all the rage at first. I priced the backpack at the supplier not too long ago and it was on...
  25. Replies
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    2,504

    I've been at it for about a decade and two days...

    I've been at it for about a decade and two days ago after trying everything we could think of to get something working, I tapped a jumper where I shouldn't have and let the smoke out of a pretty...
  26. The problem is the card is not outputting...

    The problem is the card is not outputting anything. For the Siemens analog outputs do they generate their own 0-20 am signal and you do not require an external power supply like the inputs? I have my...
  27. Siemens S7-1200 0-20MA analog output issue help!

    We were tasked with repairing units that were supposedly started and commissioned but by the looks of it went horribly wrong. Long story short we have six wall mount air handlers that were built by...
  28. Replies
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    2,028

    I'm going to read-read this but did you...

    I'm going to read-read this but did you eliminate the possibility of the oil separator float being stuck open?

    When you say hit gas injection is it a three pipe bypass downstream of txv or into...
  29. Replies
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    4,533

    I'm a little confused on how this works. I only...

    I'm a little confused on how this works. I only went to trade school but how exactly does this stuff work? If it doesn't impede thermal conductivity then how could it prevent water formation? Hot...
  30. I usually just pour a gallon of draino in. A...

    I usually just pour a gallon of draino in. A wicked awesome plumber gawd told me is the best way ever.
  31. Replies
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    952

    Bitzer pt chart on smartphone

    Bitzer pt chart on smartphone
  32. Replies
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    2,571

    These units have both suction filters and ll...

    These units have both suction filters and ll filter driers with the removable cores. I think the liquid line actually takes two cartridges per. I'll know tomorrow if the tx valves are frosting if I...
  33. Replies
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    18,121

    Don't waste your time with the yellow jacket. In...

    Don't waste your time with the yellow jacket. In fact if it's not gauges I don't really like most things yellow jacket. Imo it lacks the sensitivity that some ofnthebnewer ones have. The hp-10 is...
  34. Thread: Appion TEZ8

    by Armament
    Replies
    17
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    3,847

    I've always loved them ever since they came out....

    I've always loved them ever since they came out. That being said the company I'm working with in a job just had two poop the bed nib. Perhaps just bad luck? I never had a complaint.
  35. Replies
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    I've done a few of those. If I remember correctly...

    I've done a few of those. If I remember correctly I started it with tubing cutters and finished with a hack saw. Cleaned up any debris on the inside I could see. No one died and the rack ran just...
  36. Replies
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    2,571

    It's just dx cooling. Hermetic 25hp Copeland...

    It's just dx cooling. Hermetic 25hp Copeland scrolls even though the systems leaked out I believe it was still under slight positive pressure. These are new systems that have only been run at the...
  37. Replies
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    2,571

    This consistency remained constant when it was...

    This consistency remained constant when it was both running and pumped down sitting idle. The other systems were crystal clear.
  38. Replies
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    2,571

    Milky sight glass

    Good day gents. I've run across some relatively new systems with 407c.

    There were a couple of repairs made ( cracked evaporator) and the contracting company evacuated and charged refrigerant.
    ...
  39. Two things can happen if it's a starting...

    Two things can happen if it's a starting component failure. Either the capacitor is shorted or open which will cause the overload to trip, or the start relay fails to open which will in turn trip the...
  40. Thread: Trane TR-200

    by Armament
    Replies
    12
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    1,327

    I called the customer service line and he told me...

    I called the customer service line and he told me the variable torque was the only thing that would change things. He thought it was also the lack of ducting. When these units come on it's a...
  41. Thread: Trane TR-200

    by Armament
    Replies
    12
    Views
    1,327

    The building is 500 square feet. you can set the...

    The building is 500 square feet. you can set the drive to limit the frequency which in turn ends up with a lower current. That's my band aid fix for now.

    Jay guy, nameplate voltage is correct,...
  42. Thread: Trane TR-200

    by Armament
    Replies
    12
    Views
    1,327

    Hello gentlemen. I tinkered and tinkered and...

    Hello gentlemen. I tinkered and tinkered and called trane. He seemed to think the only thing that could vary the voltage like that was one of the torque parameters. I changed them from variable...
  43. Thread: Trane TR-200

    by Armament
    Replies
    12
    Views
    1,327

    There are DP sensors in the building. I'm not yet...

    There are DP sensors in the building. I'm not yet sure of whether of not they're monitoring or trying maintain a certain building pressure. The main concern is why at 60hz is it only putting out 500...
  44. Thread: Trane TR-200

    by Armament
    Replies
    12
    Views
    1,327

    I thought the same thing. I know drives vary the...

    I thought the same thing. I know drives vary the voltage along with the frequency but this is running at 60hz outputting 500v. The s.f of the motor is 1.15 -> 11.6 but consistently running at 11.2...
  45. Thread: Trane TR-200

    by Armament
    Replies
    12
    Views
    1,327

    Trane TR-200

    I just ran out of time looking at a couple of trane units. Basically I'm in an industrial setting. Two trane voyagers are plopped on a building with no ducting. They seem to communicate via Bacnet to...
  46. Replies
    2
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    1,328

    Figured I would give this a bump. Anybody?

    Figured I would give this a bump. Anybody?
  47. Replies
    2
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    1,328

    Jobs abroad (non North american)

    I tried to research threads on this but since they date back the better part of a decade I thought I'd start this thread.

    My inquiry is mostly based around the carribean areas. The Cayman Islands,...
  48. Replies
    3
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    456

    Well I got impatient trying to troubleshoot it...

    Well I got impatient trying to troubleshoot it but ultimately the board was fried in one form or another. I suspect the rectifier was dead. Ended up ordering three boards for the unit from the supply...
  49. Replies
    3
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    456

    Fujitsu trizone communication problems

    I've got a Fujitsu aou36rlm1 with three indoor 9000 heads.

    Indoor heads runs but I've got the two blinks timer which is a comm. error. Outdoor unit main pcb doesn't seem to be doing anything. I...
  50. Ran into this on a brand new unit a few summers...

    Ran into this on a brand new unit a few summers ago. Took me a few minutes to realize the motor was pooched after seeing how they switched speeds rough the relays
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