Search:

Type: Posts; User: Juan Madera

Page 1 of 7 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    4
    Views
    335

    I am assuming that as it is mid-summer you are...

    I am assuming that as it is mid-summer you are asking this, that your HTM is also making hot water. Most of these I worked on had no problems with the motors on the solution pump/ combustion air...
  2. Replies
    2
    Views
    344

    Looks like a pretty cool product that allows for...

    Looks like a pretty cool product that allows for a replaceable copper gasket on a normal male flare! Quite simple and having seen some nasty flare jobs, perhaps it should be the standard?
  3. Replies
    35
    Views
    11,336

    Conductance... Term used by the guys that DO...

    Conductance... Term used by the guys that DO vacuum on an industrial scale. At low pressures, there are very few molecules of gas or vapor and SIZE matters! The bigger in diameter and the shorter the...
  4. Replies
    10
    Views
    685

    When bought, my home had baseboard hydronic heat,...

    When bought, my home had baseboard hydronic heat, natural gas fired. First months bill (February) was over $400 and I decided right then to gut this guy and install two Ruud Contour furnaces. 94.5%...
  5. Replies
    70
    Views
    9,772

    We need a "like" button!

    Many times I read a post and chuckle, then wish there was a quick way to say "nice one" or on the other hand "not so nice" without having to write a post.....
  6. Replies
    74
    Views
    3,561

    What I have read is that a rotary is the most...

    What I have read is that a rotary is the most efficient compressor and certainly is the simplest in design and parts count. I have disassembled both rotary and scroll units and even tho the scroll is...
  7. Nailed by 277VAC from a conduit! Was in an...

    Nailed by 277VAC from a conduit! Was in an elevator equipment room and leaned against a conduit that quite apparently was not earth grounded and had a live conductor in close communion.... Sheesh,...
  8. The distributor also has an orifice in it....

    The distributor also has an orifice in it. Engineers put this guy in there for a reason and I guarantee that if it worked just as good without the distributor, it would not be there as it would save...
  9. Replies
    133
    Views
    5,079

    Well, with a water cooled condenser, I feel that...

    Well, with a water cooled condenser, I feel that subcooling is a valid charging method as long as there is not a receiver. When you have a receiver in the system, the pressures and temps you take are...
  10. They really should make these a mechanical joint...

    They really should make these a mechanical joint with an O-ring and bolted flange. Cost a couple of bucks, but save an "L" of a lot of headaches and warranty issues.
  11. Replies
    24
    Views
    3,600

    Keep in mind that many of the "drop-in"...

    Keep in mind that many of the "drop-in" replacement refrigerants have had a large portion of either R290 or R600 to improve oil return. R290 is a fine refrigerant. LP is a bad refrigerant as it has a...
  12. Replies
    177
    Views
    25,344

    Looking for some helpful advice on tuning the...

    Looking for some helpful advice on tuning the loop on an old IBEX system. Not sure what the optimal settings for this might be, but at present, the controls seem to be asking for the second stage of...
  13. Replies
    26
    Views
    1,531

    Hydrocarbon such as propane (R290) and butane...

    Hydrocarbon such as propane (R290) and butane (R600) are now approved for use in the USA, but limited to 75g in residential and 150g in commercial appliances.

    R134a..... the "a" is NOT for...
  14. Tech lit for REMD16M-300, Lennox GCS16 from mid 90's

    Anyone have a bit of literature on this economizer section? The smaller GCS16's have economizer actuators where you can get to them. Cannot see how to get to the motor on the -300 as it is behind the...
  15. ...and the old becomes new once again!

    I believe you are correct on this as being an "ancient" vrf system. Made me think also of the old high side float systems having a flooded evaporator.

    I do think that a concept like the liquid...
  16. Thread: Nate Info

    by Juan Madera
    Replies
    38
    Views
    1,848

    took and passed 7 of the nate tests at a sitting....

    took and passed 7 of the nate tests at a sitting. Took the "master tech" test and scored 75 and failed. Nate refuses to let me know what the bar is on this test and the guy who is basically the...
  17. So why can I not use tags? Just started a thread...

    So why can I not use tags? Just started a thread and filled in a few key terms in tags and got the message that I cannot create tags. Searched about unsuccessfully as to what was the procedure and...
  18. VRF type refrigeration racks? Real or imagined....

    In studying the concept of VRF in A/C and heat pumps systems such as the Mitsubishi City system, I could see that this concept would be a true money saver in the utilities department for many...
  19. New global controller for old Alerton Ibex TUX?

    Anyone have experience with using Siemens Talon global controller to supervise old Alerton Ibex TUX points? Looking for a reasonable cost solution to an old '94 install that is no longer supported by...
  20. Replies
    14
    Views
    2,982

    STERO moving back East right soon!

    Just got off the phone with my Stero parts guy who says they are moving from CA to somewhere on the East coast!
  21. Replies
    9
    Views
    1,473

    Hi John loves to ski (is that a native indian...

    Hi John loves to ski (is that a native indian name? ;-)

    Question on the APLC. If system has CO2 sensor, which inputs would be used? Cannot find any info on CO2 sensors and APLC.

    Thanks;

    j
  22. Replies
    177
    Views
    25,344

    2ski; Thought the world fell apart on me a...

    2ski;

    Thought the world fell apart on me a week back. Had a wind, rain and lightning event and while I was in one of the controlled areas, I smelled and felt the heat go on. Mind you, we were...
  23. Replies
    64
    Views
    8,994

    Caps normally die of old age due to dielectric...

    Caps normally die of old age due to dielectric stress. (think work hardening of copper and you get the idea) They are rated in breakdown voltage of the dielectric and surges will take them out...
  24. Replies
    17
    Views
    3,286

    Don't let it loose in an ice machine! They might...

    Don't let it loose in an ice machine! They might crossbreed with the slime in there and take over the world..
  25. Replies
    4
    Views
    1,984

    You took this in PRC? Malaysia?

    You took this in PRC? Malaysia?
Results 1 to 25 of 156
Page 1 of 7 1 2 3 4
Comfortech Show Promo Image

Related Forums

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