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  1. In the video that appears to be a mini-split As...

    In the video that appears to be a mini-split As for the discharge sound I agree with mikey. Older non-variable type mini-splits do indeed defrost.
  2. It's fantastic that you are able to continue your...

    It's fantastic that you are able to continue your education, and I highly recommend this field of work if your able to do it. I don't know that any job pays well enough to consider traveling 4 hours...
  3. John H Coleman Seeking Helpers, Knoxville TN

    John H Coleman Company is currently seeking helpers for our install department. We are a mechanical contractor dealing mainly in residential and light commercial HVAC retrofits, boilers, zoning,...
  4. That's interesting, I wonder if this house used...

    That's interesting, I wonder if this house used to have a york heat pump and it was replaced with an AC only system, and the installing tech didn't remove the outdoor t-stat. Ask a tech to come by...
  5. What is the model number for the indoor and...

    What is the model number for the indoor and outdoor units on your house?

    If I am reading your description correctly than you do in fact have a heat pump, and the outdoor thermostat just shuts...
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    That's pretty clever. I too know the why.

    That's pretty clever. I too know the why.
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    There has been some noise about Icomfort lately...

    There has been some noise about Icomfort lately because the systems in question that people are asking about were using lennox systems. It is a proprietary communating t-stat for lennox equipment and...
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    How are you zoning each room without access to...

    How are you zoning each room without access to the branch lines? I hope your not just closing registers, that really isn't a good way to zone a system at all, zoning should always be done at the...
  9. [QUOTE=Baplumber;25623867] We do flat rate...

    [QUOTE=Baplumber;25623867]

    We do flat rate billing on all of our service work, so it's not really been an issue. Currently we are still using Desco so downtime isn't an issue either as we host it,...
  10. Laser thermometers are terrible and shouldn't be...

    Laser thermometers are terrible and shouldn't be trusted for this. High limit on the unit should be around 180F to 240F or so depending on the unit, However the zone boards discharge air temp sensor...
  11. We are currently using Desco, which is the local...

    We are currently using Desco, which is the local version of field edge that we host from our own server. We will be moving over to field edge soon, but it seems to operate the same, I haven't had any...
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    I honestly like the Icomfort Wifi, it's one of my...

    I honestly like the Icomfort Wifi, it's one of my favorites and has been pretty solid, you might have just gotten an lemon, I would ask them to replace it if it happens again. I agree the app needs...
  13. In your case your lockout is set by the outside...

    In your case your lockout is set by the outside thermostat, since you have one, unless you're mistaken an outdoor sensor for an outdoor thermostat, either way best bet is contact your installer and...
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    Honestly the sl280 has a variable speed blower,...

    Honestly the sl280 has a variable speed blower, and is a communicating unit, Think about getting an hvac company to install an Iharmony zone board with Icomfort t-stats, The communicating zone system...
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    Icomfort stat is much better than the nest,...

    Icomfort stat is much better than the nest, depending on your system odds are you couldn't use a nest on it anyway. Which Icomfort do you have? There are 4 models E30, S30, M30, and Icomfort Wifi....
  16. Thread: Newby

    by bhenry1013
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    1,055

    Welcome to the forum.

    Welcome to the forum.
  17. Replies
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    If ops unit is an infinity system then an ecobee...

    If ops unit is an infinity system then an ecobee most likely won't work for his or her application. Infinity systems are proprietary and wont work with other controls.
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    Sounds like a stuck damper causing the zone board...

    Sounds like a stuck damper causing the zone board to turn off the unit on high limit, just a guess without more information.
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    We have a few houses that set hp coils on top of...

    We have a few houses that set hp coils on top of gas furnaces, its very doable. However we found that the gas heat never runs as the heat pumps always provide enough heat no matter the outside temp.
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    If you must zone, how much do you want to spend?...

    If you must zone, how much do you want to spend? How big is each zone and what are the load requirements? Personally I don't like bypass, bleed by, or dump zone systems. If both zones use at least ...
  21. The Lennox and Trane units use ECM motors, they...

    The Lennox and Trane units use ECM motors, they are much more efficient than the PSC motor in the Ruud unit, however keep in mind they are also very expensive to replace after they are out of...
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    A company offering multiple size units for the...

    A company offering multiple size units for the same job is not a company you want to work with. Equipment is sized based on the heating and cooling requirements. Heating too quickly can cause...
  23. If its a furnace than keep in mind the furnace...

    If its a furnace than keep in mind the furnace will be laying on its side. There are plenty of 3 ton A cabinet sized units available from most manufacturers. For lennox it would be 14.5" tall by 28"...
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    I wouldn't worry about the brand so much as who...

    I wouldn't worry about the brand so much as who you get to install it. Its much more important who puts it in, and that they put it in correctly.
  25. XC20 systems use the communicating t-stat, it...

    XC20 systems use the communicating t-stat, it will be much more finely tuned than the settings on the board can provide. The airflow is adjusted from the t-stat in this case.

    Also the larger...
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    Its more important who puts in it than what the...

    Its more important who puts in it than what the brand name is. Find a contractor you can trust and know will do a great job. Saying that I am a Lennox Dealer so I am a bit bias, go with Lennox. lol.
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    Unless you have specific needs due to mold...

    Unless you have specific needs due to mold growth, bad smells or smoke maybe, duct cleaning is unnecessary 95% of the time. All new installs should come with a new metering device (TXV in your case),...
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    Those are not troubleshooting codes, they are...

    Those are not troubleshooting codes, they are simply telling you what the unit is doing. And would have been on the first day the unit was turned on. They do change depending on the state of the...
  29. That is an interesting matchup of equipment,...

    That is an interesting matchup of equipment, Single stage EL16xc is a good unit, you can get the EL16XP if you would prefer a heat pump instead of air only. I will say you are not comparing apples to...
  30. ^ This way maybe?

    ^
    This way maybe?
  31. I have never seen a useful home inspector. Have...

    I have never seen a useful home inspector. Have seen high voltage going through duct work they didn't catch, have seen the venting backwards and blowing CO into the house, weather heads busted off,...
  32. I checked his history to see what I was missing,...

    I checked his history to see what I was missing, turned out I wasn't missing anything, carry on.
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    I wouldn't bet on it being the switch, find a new...

    I wouldn't bet on it being the switch, find a new contractor who knows what he is doing. The guy you have sounds like a parts replacer, he will replace everything until he finds what is broken, and...
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    Armstrong is owned by Lennox, they are...

    Armstrong is owned by Lennox, they are functionally the same unit, some of the parts in the armstrong unit may be of lesser quality than the Lennox unit but they are equivalent to one another in...
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    Tstat runs it now.

    Tstat runs it now.
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    I disagree, 95% of the time duct cleaning is a...

    I disagree, 95% of the time duct cleaning is a racket, vary rarely is it needed on a residential unit.
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    While that may work, it is not okay for it to be...

    While that may work, it is not okay for it to be on a shared circuit, it is supposed to have a dedicated circuit of its own.
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    I just went to R. E. Michels today to see the...

    I just went to R. E. Michels today to see the demo trailer they have setup for this. It's pretty impressive. Seems the goal is the keep the indoor coil at 47 (or 37 depending on a jumper) no matter...
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    If it killed half the house odds are its a 110v...

    If it killed half the house odds are its a 110v furnace inside. Unless the AHU is powered off a subpanel in which case that would be perfectly fine so long as its sized correctly.
  40. What is the tonnage of your unit? I am assuming 3...

    What is the tonnage of your unit? I am assuming 3 ton? If its bigger than that it will be fine. If the unit is correctly sized or slightly undersized it should be okay regardless, If its 2 tons or...
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    Icomfort Wifi on this unit. Mechanical rooms...

    Icomfort Wifi on this unit.

    Mechanical rooms romex is allowed here, it would look nicer in conduit of some kind your right, but this is the prefered method we use. Sales guys love to pinch those...
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    You're also not supposed to connect the...

    You're also not supposed to connect the zone-board to the furnace or ductwork. Vibration is the reason I was given as well. sadly I couldn't fit it next to the wine rack, and he is putting shelving...
  43. Hey sorry I didn't see this earlier, we use a...

    Hey sorry I didn't see this earlier, we use a local copy of Desco, we host it in our office on our server. Obviously it's an older version, we are looking to upgrade to fieldedge once we get our...
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    I can't tell you how many times I go on a service...

    I can't tell you how many times I go on a service call and find out the filter either hasn't been changed in a year, was just changed out right before I showed up and the old shag carpet that was the...
  45. As others have said get a gas furnace, put a coil...

    As others have said get a gas furnace, put a coil on it, and a t-stat that does dual-fuel, you will need an outdoor sensor. If your sticking with Lennox equipment the CS7500 t-stat will do dual-fuel....
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    Equipment knows no colors. Saying that, we do...

    Equipment knows no colors. Saying that, we do have a standard at our company, this helps us when doing installs, I know what my helper is going to use, because it's what we always use.

    R = red
    C...
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    I choose Lennox, but I am a Lennox dealer, I am...

    I choose Lennox, but I am a Lennox dealer, I am more familiar with the equipment and what it can do. Just as I am sure a Trane dealer will feel the same way about Trane units.

    If you want to go...
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    My company has done the prep for solar installs,...

    My company has done the prep for solar installs, we have training specifically for it, and have been through the red tape. Saying that, the install we were going to do the client backed out of. They...
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    If you are going to have a Lennox XP25 installed...

    If you are going to have a Lennox XP25 installed with solar panels make sure the dealer your buying from is a Lennox dealer, and they have an electrical division in their company. Also make sure they...
  50. Nothing to advise, no leak, there will be...

    Nothing to advise, no leak, there will be pressure swings depending on temp. Wait 15 min if it's the same it's fine as far as the inspector is concerned.
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