Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

Search:

Type: Posts; User: hands

Page 1 of 19 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    2
    Views
    185

    filter-drier pressure drop.

    I was just wondering what kind of pressure drop across a filter-drier core you guys change the core. It seems that I remember reading that when it gets to 3 psi above the starting pressure drop, you...
  2. Thread: leak testing ?

    by hands
    Replies
    12
    Views
    367

    I think it's just the temperature difference. If...

    I think it's just the temperature difference. If you have the time, you could watch the pressure to see if it goes back up to 170 psi as the ambient temperature goes up. Put I would start evacuating,...
  3. Replies
    8
    Views
    442

    I have repaired several leaks on the factory 90...

    I have repaired several leaks on the factory 90 right off the compressor. This is very common on Trane equipment. I have always just brazed over the leak, but put a heavy coating of sil-foss over...
  4. Replies
    12
    Views
    509

    Staybrite #8 will not stick to braze, I have...

    Staybrite #8 will not stick to braze, I have tried it. But you can braze over staybrite, and yes I have done it.
  5. Replies
    34
    Views
    1,361

    Why don't you just braze in your fitting and then...

    Why don't you just braze in your fitting and then braze around the soft solder fittings that you are worried about. You can braze right over solder with no problem. You could also just cut out some...
  6. Thread: Laptops

    by hands
    Replies
    7
    Views
    480

    My company gave all Service Techs net books to...

    My company gave all Service Techs net books to use. We do electric service reports with them.
  7. Thread: Work Pants

    by hands
    Replies
    27
    Views
    1,501

    I like Dickies Carpenter jeans. They are made...

    I like Dickies Carpenter jeans. They are made well and hold up good.
  8. I would think every service tech could sweat...

    I would think every service tech could sweat loose a solder joint and re-solder it. If they couldn't, they would have a problem changing a compressor. As for the solders he mentioned, Stay-Brite #8...
  9. I would just sweat it loose, clean the joint...

    I would just sweat it loose, clean the joint good, flux it and solder it with 45% silver solder.
  10. Replies
    5
    Views
    258

    I get them from Air Filters Direct in Cincinnati.

    I get them from Air Filters Direct in Cincinnati.
  11. Replies
    30
    Views
    1,508

    Why don't you just send a tech that knows what...

    Why don't you just send a tech that knows what he's doing, recover the charge, replace the liquid line filter drier, evacuate the circuit and charge it. This would be the right thing to do and would...
  12. Thread: r22 at 300 psig?

    by hands
    Replies
    30
    Views
    1,491

    With a space temperature that low, the suction...

    With a space temperature that low, the suction pressure will be low and the evaporator coil will freeze up. They might be trying to keep the head pressures up which will also make the suction...
  13. Replies
    18
    Views
    738

    Sounds like one fan is moving all of the air and...

    Sounds like one fan is moving all of the air and the other fan is freewheeling. Try starting out with both fans at say 20 Hz and increase them at the same time and see if the amps stay closer. Have...
  14. Replies
    4
    Views
    309

    I attended a class on compressor rebuilds. The...

    I attended a class on compressor rebuilds. The guy giving the class said that a full remanufactured compressor, even from Carlyle, still uses mostly used parts. He said that they only replace the bad...
  15. Thread: Leak on HP

    by hands
    Replies
    16
    Views
    673

    I would consider 5 psi every 3 hours a large...

    I would consider 5 psi every 3 hours a large leak, it should be easy to find one that size. That being said, I have also had trouble finding large leaks. You might have to remove the insulation from...
  16. Replies
    4
    Views
    573

    What was the actual DSH?

    What was the actual DSH?
  17. I think that a lot of motors that are coming out...

    I think that a lot of motors that are coming out nowadays can't handle speed controls. I replaced a condenser fan motor about a year ago with a OEM from Trane. This unit had a ICM Fan Speed Control...
  18. Replies
    4
    Views
    318

    Well I returned to the job today and the circuit...

    Well I returned to the job today and the circuit held pressure over the weekend. I purchased a 1/2" vacuum hose and another Appion core removal tool. I evacuated for over an hour and got it down to...
  19. Replies
    4
    Views
    318

    I know it could be the hoses, micron gauge or...

    I know it could be the hoses, micron gauge or vacuum pump. I was using 1/4" refrigeration hoses, my company doesn't want to buy vacuum hoses.
  20. Replies
    4
    Views
    318

    Pfannenberg Cabinet Cooler

    Friday I was working on a Pfannenberg Cabinet Cooler. It had a leak around the braze joint on the discharge of the compressor. It is a sealed system with no access valves, so I installed a piercing...
  21. Replies
    13
    Views
    873

    It could be the pressure switch not making, did...

    It could be the pressure switch not making, did you check to see if it had voltage to the switch? You said that the induced draft fan was running, it could be an obstruction in the flue if the...
  22. Replies
    6
    Views
    430

    I appreciate your input valdelocc, but I don't...

    I appreciate your input valdelocc, but I don't see any liability by replacing a flame rod with a UV detector. This is a Trane MUA with a Maxon burner and manual that came with the burner states that...
  23. Replies
    6
    Views
    430

    This Maxon burner didn't have a scanner nipple,...

    This Maxon burner didn't have a scanner nipple, it only had threaded holes in the end plate for the pilot, igniter and flame detector. I first installed a flame rod like the original burner had, but...
  24. Replies
    4
    Views
    363

    I left the programming instructions for him to do...

    I left the programming instructions for him to do before he a left and and came the store freezing.


    What?
  25. Replies
    6
    Views
    430

    UV Flame Detector icing up.

    I had a call on a Trane MUA. It is a upflow direct fired unit and I found the UV flame detector had ice on it and the heat block it was screwed onto was plugged with ice. The beginning of this...
Results 1 to 25 of 456
Page 1 of 19 1 2 3 4
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event