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  1. Thread: txv failed

    by pop
    Replies
    25
    Views
    2,445

    Capy123 is right, with the polyester type oils if...

    Capy123 is right, with the polyester type oils if some on burns out a component instead of cutting it out you contaminate the entire system as the oil acts a a detergent and will wash all of the...
  2. Replies
    37
    Views
    1,869

    Lenox is a more progressively engineered product...

    Lenox is a more progressively engineered product than the Reem, the reason their are more Reem dealers available is that Lenox will be more selective on their dealers and there for are more...
  3. Replies
    18
    Views
    2,685

    I assume your air handler is a 40RMQ dual...

    I assume your air handler is a 40RMQ dual circuit, if the oil leaves on start up and then returns when the unit shuts down, one of the check valves is open in one of the evaporator circuits. It is...
  4. Replies
    21
    Views
    1,777

    It appears that as in many cases that the...

    It appears that as in many cases that the technician didn't really repair the unit but added charge to make it run without actually finding the leak and make an actual repair, as a customer you get...
  5. Replies
    94
    Views
    13,333

    Yep I meant OSHA, sorry as you get older the hard...

    Yep I meant OSHA, sorry as you get older the hard drive gets full and the access speed really sucks.

    When younger I would get into it all the time with inspectors, even changed the local building...
  6. Replies
    94
    Views
    13,333

    I read the previous post, and checked the web...

    I read the previous post, and checked the web sight, believe me the EPA is still there alive and well, perhaps a few less budget dollars but viable, has any one taken the time to call them.? If no...
  7. Replies
    94
    Views
    13,333

    I would check with OSHA, I believe they would...

    I would check with OSHA, I believe they would force and ordinance, You can't do this type of work off of a ladder. I believe they will require an accessible 30" walk way around the unit with a...
  8. Replies
    302
    Views
    29,535

    In answer to a couple of questions, 410A and...

    In answer to a couple of questions, 410A and R-22 Compressors have different displacements so the R-22 Compressor can never be converted to 410A. In addition with out chlorine mineral oil will not...
  9. Replies
    10
    Views
    1,971

    Both Carrier and Trane rate a 10 ton condenser...

    Both Carrier and Trane rate a 10 ton condenser with a 7 1\2 ton air handler. This is often speced by Engineers to control latent heat. But you are correct if not charged properly you can damage a...
  10. Thread: Engineering exam

    by pop
    Replies
    8
    Views
    893

    And don't forget reduced velocity caused by high...

    And don't forget reduced velocity caused by high superheat reduces oil return to the compressor causing reduced lubrication causing mechanical failure or a damaged bearing causing the stattor and...
  11. Replies
    16
    Views
    3,123

    This is a fixed orifice system, it is common on...

    This is a fixed orifice system, it is common on this design for the techs to bend or partly to crush the liquid lines espically when changing compressors. This restricts the flow of liquid from the...
  12. Replies
    60
    Views
    5,257

    Most Manufacturors including Goodman will not...

    Most Manufacturors including Goodman will not intintually warrantee merchandise sold over the internet direct or salvage as it is assumed damaged or hacked in. Makes those bargain prices not look so...
  13. Replies
    17
    Views
    2,731

    Check for sweat on the coil or the tube turns,...

    Check for sweat on the coil or the tube turns, the dry areas tell in which part of the circuit the restriction is in, you can replace the feeder header or the entire evaporator coil.
  14. Replies
    10
    Views
    1,035

    But the upside is Installers never by toilet...

    But the upside is Installers never by toilet paper.
  15. Replies
    8
    Views
    756

    http://www.commercial.carrier.com/commercial/hvac/...

    http://www.commercial.carrier.com/commercial/hvac/technical_literature/1,3063,CLI1_CNT2_DIV12_ETI9039_MID4442_QRYY,00.html
    It seems that this sight is strange about how it sends the addresses I...
  16. Replies
    8
    Views
    756

    Sorry it looks like it dead ends you that way,...

    Sorry it looks like it dead ends you that way, try this
    http://www.commercial.carrier.com/commercial/hvac/technical_literature/1,3063,CLI1_DIV12_ETI9039_MID4442,00.html?SMSESSION=NO
    enter 41E in...
  17. Thread: 3 phase CFM check

    by pop
    Replies
    2
    Views
    613

    If you have a copy of ohm's laws you have to use...

    If you have a copy of ohm's laws you have to use a multiplyer
    P = 1.732 x E x I x PF
  18. Replies
    8
    Views
    756

    http://www.commercial.carrier.com/commercial/hvac/...

    http://www.commercial.carrier.com/commercial/hvac/technical_literature/1,3063,CLI1_CNT2_DIV12_ETI9039_MID4442_QRYY,00.html
    This should give you the information you need.

    This is a 1963 model,...
  19. Replies
    8
    Views
    756

    http://www.commercial.carrier.com/commercial/hvac/...

    http://www.commercial.carrier.com/commercial/hvac/technical_literature/1,3063,CLI1_CNT2_DIV12_ETI9039_MID4442_QRYY,00.html
    This should give you the information you need.
  20. Thread: txv v.s. fixed

    by pop
    Replies
    92
    Views
    17,280

    Fixed metering devices have three advantages they...

    Fixed metering devices have three advantages they prevent runaways, they are cheap, they are cheap, oh yeah I almost forgot they are cheap.
  21. Thread: acoil leak

    by pop
    Replies
    5
    Views
    567

    It may be something in the air causing that much...

    It may be something in the air causing that much deterioration in that short period of time. Perhaps organic acids, is it leaking in the center of the coil, if so it is probably formic corosion.
  22. Replies
    9
    Views
    664

    On Bryant Equipment it is a 3/8 Liquid line for...

    On Bryant Equipment it is a 3/8 Liquid line for all normal central systems, on some of the ductless you can go smaller. you didn't mention the size of the equipment or the total line length, that...
  23. Replies
    10
    Views
    1,293

    Cooler air can hold less moisture thus the...

    Cooler air can hold less moisture thus the humidity will normaly be higher in the house because the air is cooler.
    The moisture will travel from a high to a low as you remove moisture in the house...
  24. Replies
    66
    Views
    6,826

    To answer the original Question. The reason that...

    To answer the original Question. The reason that Carrier asks for the two elbows is to allow for good mixing of the gas. They have shown this in thier installation instruction for about 20 or 25...
  25. Replies
    5
    Views
    686

    Getting a picture would be tough. The rack is...

    Getting a picture would be tough. The rack is about 200 miles from my house. I was called in from the selling Supply house to tear the compressors down for the re-builders which are out of state. ...
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