Search:

Type: Posts; User: nina

Page 1 of 7 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    10
    Views
    3,152

    shophound> They may be thermally happy, but are...

    shophound> They may be thermally happy, but are they pleased with their utility bill?

    FPL (the local utility) monthly bill average for 6 months prior to installing the new ductless heatpumps,...
  2. Replies
    10
    Views
    3,152

    cost came in a half price vs. comparable whole...

    cost came in a half price vs. comparable whole house dehu. installation was a snap compared to installing the dehu.
  3. Replies
    10
    Views
    3,152

    an alternative to whole house dehumidifier

    recently a couple building two new houses asked me for an alternative to whole house dehumidifier or running room dehumidifiers. this is in s.florida where we've had unseasonably cool couple weeks,...
  4. Replies
    21
    Views
    1,145

    > it's a 4 ton, 2.5 year old Trane, the house is...

    > it's a 4 ton, 2.5 year old Trane, the house is approx. 2600 sq ft

    it's *WAY* oversized, guess you did not comprehend my reply as I live in your vicinity under similar temperature and humidity...
  5. Replies
    21
    Views
    1,145

    since I also live in s.florida, it's unusual to...

    since I also live in s.florida, it's unusual to read someone keeping the tstat at 75F and can only assume you have no control over your indoor humidity (RH%) and that your system does not have...
  6. Replies
    0
    Views
    420

    Carbon Dioxide R744 system

    have a chance to see my first R744 system installation this weekend, plan on installing several depending on how this 1st setup goes
  7. Replies
    9
    Views
    1,136

    bobRichie: >that recent digital thermostats have...

    bobRichie:
    >that recent digital thermostats have been programmed to
    >delibrately lie to us!

    do you have the ability to adjust the display accuracy, up or down? I've done this to all installed...
  8. Replies
    3
    Views
    958

    They all use an electric expansion valve, which...

    They all use an electric expansion valve, which is located in the outdoor unit.
    It is controlled by the outdoor circuit board.

    The true liquid line is not accessible unless you take the entire...
  9. my comment relates to mitsubishi and fujitsu (but...

    my comment relates to mitsubishi and fujitsu (but likely same end result) systems.

    pressure test appears to have less value than pumping system down, verifying 400-500 microns holds without leaks...
  10. Replies
    3
    Views
    958

    on the mitsubishi and fujitsu units I've usually...

    on the mitsubishi and fujitsu units I've usually pumped system down, verified 400-500 micron (no leaks), weighed back in the factory charge +2 ounces. be careful to make allowance for suction line...
  11. Replies
    26
    Views
    3,538

    Climatouch makes a tstat that responds to a 2%...

    Climatouch makes a tstat that responds to a 2% change in RH.

    Example:
    RH setpoint 50%, the 24vac DH relay opens at 52% and remains open until RH is 48%, total deadband range 4%.

    No other...
  12. zero control of temperature in Mitsubishi Dry Mode

    ok, finalized yet another mitsubishi installation and (of course) the very 1st thing the customer proceeds to run is dry mode operation (very humid environment)

    it looks as if the unit simply...
  13. Replies
    15
    Views
    3,473

    it really would help if *only* the indoor unit...

    it really would help if *only* the indoor unit would turn off fan when cycle is complete, ie. *not* running in "fan always on" mode
  14. Replies
    15
    Views
    3,473

    > Is the air coming out of the inverters always...

    > Is the air coming out of the inverters always cold?

    no as the inverter controlled compressor comes on at very low revolutions based on feedback from the indoor control board, satisfies setpoint...
  15. Replies
    15
    Views
    3,473

    this happens universally on all my recent...

    this happens universally on all my recent installations, even using just 9000 BTU full inverter models, all using the lowest fan speed setting (also tested on Auto)

    the compressor barely comes on...
  16. Replies
    15
    Views
    3,473

    just verified with two other Fujitsu...

    just verified with two other Fujitsu installations, that this condition appears universal with minisplits.

    there must be some moisture taken back, copiously, from the wet evap coil with perpetual...
  17. Replies
    15
    Views
    3,473

    Ductless minisplit = Increased humidity

    Subject line is really a question, as I've received a number of inquiries about the constant circulation of the indoor unit (it runs perpetually, even when setpoint temperature is reached) while in...
  18. Replies
    10
    Views
    4,329

    after watching the operation at an installation,...

    after watching the operation at an installation, what is the reason the mitsubishi turns on the "Powerful" mode LED while running a DRY mode operation?

    The first LED signals "Power is ON", the...
  19. Replies
    31
    Views
    3,220

    sdgrease, now that you've made the decision,...

    sdgrease,

    now that you've made the decision, allow me to tell you my experience.

    I live about 4 hours south of you, essentially same climate but perhaps a bit more humid on the coast and...
  20. intelligent/adaptive coil material application

    regenerative latent heat pump, up to 40 seer
  21. Replies
    13
    Views
    1,488

    Luis-Pasco wrote: >My house is 2200 sq feet 2...

    Luis-Pasco wrote:
    >My house is 2200 sq feet 2 story

    I cool and heat 2400sq ft further south of you in FL, using just 2 tons 99% of the time. Only when OD>90F does my system occasionally run using...
  22. Replies
    4
    Views
    1,397

    how does Dry mode in Mitsubishi HP ?

    am installing two more mitsubishi ductless systems this week and one client asked (after reading the manual), how does Dry mode work?

    I took a look at installation manual and then the end user...
  23. Replies
    18
    Views
    2,786

    regis101 wrote: >Any jobs over there? am...

    regis101 wrote:
    >Any jobs over there?

    am looking for a pool boy, must have the body of David Beckham
  24. Replies
    18
    Views
    2,786

    regis101 wrote: >... a 1200 sq ft home at 100K...

    regis101 wrote:
    >... a 1200 sq ft home at 100K and 3 ton.

    yup, just for a quick comparison, I cool/heat a 2300sq ft house with just a 2ton compressor while I do have a dual compressor system and...
  25. Replies
    6
    Views
    3,071

    hvac_superman wrote: >.. and replaced it with a...

    hvac_superman wrote:
    >.. and replaced it with a Supco cap tube type dryer

    one one hand you wrote not to use and then you tell us you installed another type anyway?

    liquid line is of course...
  26. Replies
    6
    Views
    3,071

    Liquid Line Filter/Dryer for Mini Split

    what's the consensus in using dryer(s) on mini split systems? I've found units lasting much longer if line dryers are used, despite some installation manuals (ie. daikin) mentioning *not* to install...
  27. mystery solved. there are 2 separate panels...

    mystery solved.

    there are 2 separate panels which slide out, the air cleaning filter goes on the bottom/inside of the larger panel, snaps into place in an almost invisible area, demarcated by tiny...
  28. Air Cleaning Filter location on Mitsubishi HP

    installed a mitsubishi ductless for a client and can't figure out where the Air Cleaning Filter is installed (see image)

    there are two large screens that slide out from both sides of the cover...
  29. Replies
    7
    Views
    1,339

    ok, I'll bite at it with my trane xl19i vs...

    ok, I'll bite at it with my trane xl19i vs experience.

    mine is like a platypus taking off from the bottom of the stream, slowly but steadily and stealthily.

    next animal anomaly.
  30. Replies
    5
    Views
    898

    for me, the Climatouch CT 07 TS 32H does a...

    for me, the Climatouch CT 07 TS 32H does a 1-minute up to 59-min separation of stage 1 vs stage 2

    you can also override it via 0-minutes which means only stage 1 runs (great for hurricane recovery...
  31. Replies
    5
    Views
    898

    for your part 3, that's an interesting point. ...

    for your part 3, that's an interesting point.

    you are saying that while system was running stage 1, the separate DH/RH relay was turned on with it's own independent signaling to Y1 - correct?
    ...
  32. Replies
    3
    Views
    917

    click here...

    click here and select link for manuals
  33. Replies
    6
    Views
    775

    after the job is done, report back. we're all...

    after the job is done, report back. we're all hoping the "...Two techs will be out next Monday to do the install ..." are made of the same mold.
  34. Replies
    31
    Views
    2,810

    second opinion wrote: > ..in the process of...

    second opinion wrote:
    > ..in the process of compiling a list for training on Tstats that can give a dehumidify comand without cooling.

    Climatouch CT-07-TS32-H

    it's available with perhaps the...
  35. Replies
    26
    Views
    3,282

    kellyr24 wrote: >the green/blue controversy.. ...

    kellyr24 wrote:
    >the green/blue controversy..

    then of course there is Climatouch with it's grey/black/white/night-time-reverse display. I've found older clients like it better than any colored...
  36. Replies
    21
    Views
    1,680

    I've see a nokia demo on this in connection with...

    I've see a nokia demo on this in connection with a smart house system. the person keyed in a code into his cell, while driving home from the office. by the time of arrival, house was warmed up...
  37. Replies
    0
    Views
    513

    new software on Climatouch for RH%

    one of the local contractors gave me a test model of the new Climatouch to see how it performs with my XL19i

    as S.Florida has been extremely rainy and humid recently, I wanted to see how this new...
  38. Replies
    30
    Views
    7,003

    indoor

    indoor
  39. Replies
    30
    Views
    7,003

    http://www.funpic.hu/files/pics/00032/00032669.jpg

    http://www.funpic.hu/files/pics/00032/00032669.jpg
  40. Replies
    30
    Views
    7,003

    http://www.funpic.hu/files/pics/00029/00029861.jpg

    http://www.funpic.hu/files/pics/00029/00029861.jpg
  41. Replies
    30
    Views
    7,003

    Wall of minisplits

    http://img.photobucket.com/albums/v442/iftk/17/10_podborka_36.jpg
  42. Replies
    11
    Views
    1,704

    take a look also at the AED Climatouch model...

    take a look also at the AED Climatouch model CT07TS32H
  43. Carnak wrote: > Everyone seems to be thinking...

    Carnak wrote:
    > Everyone seems to be thinking about having one for short standby periods. I am talking about the inevitable big one in hurricane prone areas, where the infrastructure gets taken out....
  44. > Does anybody make a central A/C system for...

    > Does anybody make a central A/C system for residential use that's designed to gracefully limp along when powered by a non-gargantuan (sub-15kW) generator?

    I use a 5.5kW honda to run 1st stage...
  45. Replies
    5
    Views
    743

    you had a J done and exceeded it by .5, it should...

    you had a J done and exceeded it by .5, it should be no big deal. for some anecdotal evidence, all my installations in the last 6 months were done by downgrading without exception by .5 and a few...
  46. Payson wrote: >I tried to explain that a 2 stage...

    Payson wrote:
    >I tried to explain that a 2 stage t-stat only calls for the SMALL compressor unless it goes 2 degrees or more above set point and that once it cools within that 2 degrees, it goes...
  47. Thread: Dehumidifier & Ac

    by nina
    Replies
    10
    Views
    3,809

    While it is possible to run both separate Dehu...

    While it is possible to run both separate Dehu and AC equipment, I would assert that it is a waste of resources and unnecessary.

    Here's how I've solved it for myself and installations I've done...
  48. Replies
    15
    Views
    2,200

    > had the coil cleaned once in the four years ...

    > had the coil cleaned once in the four years

    bingo!
  49. Replies
    19
    Views
    1,983

    Derailer wrote: > The humidity dropped below 50%...

    Derailer wrote:
    > The humidity dropped below 50% to as low as 47% @ 75F last two evenings; however by morning the humidity is higher than before (up to 57% RH @ 72F )

    I see you were already...
  50. Replies
    15
    Views
    2,200

    in these 4 years since the original install, how...

    in these 4 years since the original install, how many times and at what intervals was the evaporator coil cleaned?

    what type of filter is used, what merv rating and how often is it changed?
    ...
Results 1 to 50 of 314
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