Search:

Type: Posts; User: wendel

Page 1 of 3 1 2 3

Search: Search took 0.01 seconds.

  1. Replies
    19
    Views
    2,500

    Since you have a thermistor as the temperature...

    Since you have a thermistor as the temperature sensor, the goal is to not introduce more resistance to the current flow than what the thermostat would expect. If it's a short distance, one of the...
  2. Replies
    19
    Views
    3,087

    I think if you actually measured the 4 ton coil...

    I think if you actually measured the 4 ton coil you'd see the surface area, fpi and number of tubes is very close to a 3.5 ton, 13 SEER coil. Most higher SEER coils are simply bigger heat exchangers...
  3. Replies
    89
    Views
    6,237

    Save your money. After you see the cost to do as...

    Save your money. After you see the cost to do as you plan I doubt you'll be so enthusiastic for the little savings involved. Furthermore, as dust and other material settle on the reflecting material,...
  4. Replies
    4
    Views
    995

    Effectively, they are the same other than the dye...

    Effectively, they are the same other than the dye to make sure diesel fuel is taxed.

    HOWEVER, in winter, diesel can be cut with kerosene to keep it from gelling in the truck/car tank.
  5. Replies
    89
    Views
    6,237

    Good plan.

    Good plan.
  6. Replies
    89
    Views
    6,237

    The ducting in the crawl space is metal with...

    The ducting in the crawl space is metal with insulation. I have not needed a dehumidifier due to the lack of humid air infiltration and the benefits of a good vapor barrier. It's far easier to...
  7. Replies
    89
    Views
    6,237

    I am also a low country dweller. I have done the...

    I am also a low country dweller. I have done the following and it's worked perfectly. First, cover the entire dirt floor of the crawl space with thick poly. Overlap the sections. Cut slices in the...
  8. Unless you know the overall heat loss rate in...

    Unless you know the overall heat loss rate in BTU/hr, it's impossible to know how many cycles per hour a 2 degree temperature differential setting will produce.
  9. Replies
    5
    Views
    1,017

    I think your problem may need the electrician to...

    I think your problem may need the electrician to check the size and connection quality of the house wiring especially the outdoor condenser connection and main house feed connection. The load of the...
  10. Replies
    10
    Views
    4,113

    It seems radiant flame sensors are a relic now...

    It seems radiant flame sensors are a relic now but some dryers use them. From my understanding, essentially they're a normally closed bimetal switch with a glass window exposed to the flame. Once the...
  11. Replies
    10
    Views
    4,113

    Thank you for your help.

    Thank you for your help.
  12. Replies
    10
    Views
    4,113

    I'm curious, based on the CNT1845 description...

    I'm curious, based on the CNT1845 description contained in the Trane literature: "Main control 1 stage, 25 volts AC min flame current 1.0 microamps". That implies this control is a normal flame...
  13. Replies
    10
    Views
    4,113

    Thank you for your reply. The complete model...

    Thank you for your reply. The complete model number is TUE040A924HO. The part list specifies a Trane CNT1845 which was, as of July, 1995, the White Rodgers 50A52-102. White Rodgers no longer lists...
  14. Replies
    10
    Views
    4,113

    Trane TUE040 Ignition Control

    Does any Trane dealer know if, on the older TUE040 furnaces (1995 vintage), the replacement ignition control for the old White Rodgers 50A52-102 (obsolete) is now the 50A55-843 using an adapter for...
  15. Thread: Gas Line Traps

    by wendel
    Replies
    8
    Views
    1,175

    Maybe trap is the wrong term. It may be called a...

    Maybe trap is the wrong term. It may be called a drip leg?
  16. Thread: Gas Line Traps

    by wendel
    Replies
    8
    Views
    1,175

    Gas Line Traps

    I have two Trane gas furnaces that were installed in 1989 in my attic (not conditioned space). There are no traps (drip legs?)for the gas line. Is that a safety issue or does the attic location make...
  17. Replies
    5
    Views
    638

    Check the cover of the finned tune sections....

    Check the cover of the finned tune sections. Sometimes there's a metal flap on the top than can be closed thereby stopping the air from flowing over the finned tubing. If not, any other means of...
  18. Replies
    21
    Views
    15,353

    Ask the installer about slowing the air flow down...

    Ask the installer about slowing the air flow down to 350 cfm/ton and adding a TXV to help with your local humidity. If the AC system is oversized, you may have poorer humidity control at 400 cfm/ton.
  19. Replies
    5
    Views
    801

    Natural gas is back down to ~US$7 Mcf. The...

    Natural gas is back down to ~US$7 Mcf. The hurricane effect didn't materialize this summer. Watch the thermometer and inventory statistics to know where this price may go.
  20. Montreal, earlier you mentioned using varistors...

    Montreal, earlier you mentioned using varistors as a means of mitigating arcing damage to contactors. On a simple 240 volt, SPST contactor, how would you wire the varistor? Does the arcing originate...
  21. Thread: 2 Filter/Dryers

    by wendel
    Replies
    4
    Views
    565

    I had a new condenser unit installed in a split...

    I had a new condenser unit installed in a split system AC. The installer added a filter/dryer on the liquid line. I noticed on the condenser specifications that it already has a filter/dryer. Is...
  22. You might find this study interesting. It's about...

    You might find this study interesting. It's about documented causes of CO poisioning. I couldn't find any heat exchanger crack issues mentioned. I think those documented causes are very self-evident...
  23. Replies
    9
    Views
    966

    I would only add that a few mouse baits might...

    I would only add that a few mouse baits might save your compressor blanket as well as the condenser wiring.
  24. Replies
    2
    Views
    601

    It could be the contactor. Pull the condenser...

    It could be the contactor. Pull the condenser disconnect so there's no power to it. While you're outside, have someone call for cooling (activating the contactor). Is that the noise you hear? If not,...
  25. "Do I simply put 1" styrofoam board in each...

    "Do I simply put 1" styrofoam board in each opening and seal it with caulk? Can anyone point me to a book or link with information on sealing the space off?"

    That's what I did and it's worked...
  26. With all due respect, Jim, a condenser coil does...

    With all due respect, Jim, a condenser coil does not operate at one temperature. If you measured the temperature at the compressor output (coil input) and also at the condenser coil output, you'll...
  27. Replies
    9
    Views
    960

    Check the local ordinance for noise level...

    Check the local ordinance for noise level restrictions. You may need a decibel meter for measurements. If his condenser is industrial and that noisy, you're not the only neighbor who is upset....
  28. Replies
    16
    Views
    1,657

    If you live in a cold climate like New England,...

    If you live in a cold climate like New England, then think about two issues. Mice are always in old houses and they will eat through flexduct in a jiffy. Metal ducts are the best mouse answer but if...
  29. Replies
    6
    Views
    692

    If you're not going to save them, why not split...

    If you're not going to save them, why not split them into smaller sections? Remove the tie-rods and they should separate where you want.
  30. Replies
    14
    Views
    1,460

    BaldLoonie, would you kindly elaborate on your...

    BaldLoonie, would you kindly elaborate on your statement:

    "Any time you have a mismatch, something is affected. Obviously putting a 13 SEER outdoor unit on old coil means you'll get less than 13...
  31. Replies
    13
    Views
    1,134

    http://www.cde.com/catalogs/SF.pdf...

    http://www.cde.com/catalogs/SF.pdf...
  32. Replies
    3
    Views
    702

    Capacitance can change over time affecting the...

    Capacitance can change over time affecting the motor's efficiency and operating temperature without you ever knowing. Hotter running motors will have shorter lives. Less efficient motors will affect...
  33. Replies
    3
    Views
    4,282

    TXC0=R-22, cased coil, up/down/horizontal air...

    TXC0=R-22, cased coil, up/down/horizontal air flow, brazed connections

    36= BTU/hr cooling capability in 000s (36,000 BTU/hr)

    C= Universal family

    4= Accutron flow control

    HP= heat pump
  34. Replies
    19
    Views
    2,244

    I'm getting quotes for a new AC system. My...

    I'm getting quotes for a new AC system. My concern is the ceilings where the supply and return registers will be located are all lath and plaster. I'm sure many of you have had the joy of trying to...
  35. Replies
    5
    Views
    655

    Forgive my confusing way of expression,...

    Forgive my confusing way of expression, keepitsimplestupid. By 'tune' I meant that the pressures and temperatures of the liquid and suction line were within the guidelines as recommended by the...
  36. Replies
    5
    Views
    655

    Many thermostats now have "Vacation Holds" where...

    Many thermostats now have "Vacation Holds" where you can deviate from the usual programmed temperature for a given number of days. If an straight AC system has been 'tuned' with a house temperature...
  37. Replies
    46
    Views
    4,519

    A little less paranoia.

    A little less paranoia.
  38. Replies
    6
    Views
    952

    They make great homes for mice too.

    They make great homes for mice too.
  39. Replies
    24
    Views
    5,907

    Go with 6 or 4 gauge wire. It's more expensive...

    Go with 6 or 4 gauge wire. It's more expensive but with that length run the heaver wire will minimize wear and tear on the motors and minimize the dimming of lights in your house, both due to voltage...
  40. Replies
    5
    Views
    4,974

    A PTC is a Positive Temperature Coefficient...

    A PTC is a Positive Temperature Coefficient Technology type of hard start kit. The other type of hard start kit is a capacitor/relay combination. One technology relies on time interval without...
  41. Replies
    5
    Views
    646

    Do you currently have a steam or hot water...

    Do you currently have a steam or hot water system? If so then you must have an existing boiler. If your current heating system kept you comfortable last winter and ran almost constantly on the very...
  42. Replies
    5
    Views
    2,877

    According to the ARI web site, your coil with the...

    According to the ARI web site, your coil with the addition of a TXV (TAYTXV-3) and an XR13 condenser (2TTR3036-cooling only) will give you a 13 SEER.
  43. Replies
    34
    Views
    3,367

    Time for the police to work with the metal scrap...

    Time for the police to work with the metal scrap yards and have them get more information from suspicious copper and other precious metal sellers. If thieves can't unload their stollen goods, the...
  44. Replies
    32
    Views
    2,939

    Personally, I remove the top to the condenser...

    Personally, I remove the top to the condenser unit and spray water from the inside out. That way you don't force some debris further into the coil. At the same time you can also inspect the...
  45. Replies
    10
    Views
    1,928

    If you have mice/rats I would think twice about...

    If you have mice/rats I would think twice about using flex duct.
  46. Replies
    19
    Views
    5,962

    Assuming your measuring equipment is accurate,...

    Assuming your measuring equipment is accurate, here's a suggestion. Have your associate pull the TXV bulb while you watch the gauges and thermometers. If the TXV is working and there are no...
  47. Replies
    10
    Views
    1,026

    Many of us religiously change the oil in our cars...

    Many of us religiously change the oil in our cars at regular intervals as preventative maintenance. Is there a need for compressor oil changing? Oil does degrade so shouldn't we have a PM oil change...
  48. Replies
    3
    Views
    753

    What specifically makes one manufacturer's...

    What specifically makes one manufacturer's horizontal coil better than another's? For example, does one manufacturer use better materials or proprietary technology? Other than personal preferences,...
  49. Replies
    5
    Views
    930

    The tech who installed my Trane system came last...

    The tech who installed my Trane system came last week to be sure it was working okay--I'm lucky he's one of the guys who cares about his work. But he's not sure if something may be amiss. Here's the...
  50. Replies
    6
    Views
    932

    I'm having a 15 year old, 2 ton Goodman coil...

    I'm having a 15 year old, 2 ton Goodman coil replaced with the same coil (no duct work needed). The condenser is also 2 tons. I asked the HVAC installer if he could use a TXV. He said Goodman has a...
Results 1 to 50 of 106
Page 1 of 3 1 2 3
Comfortech Show Promo Image

Related Forums

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