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  1. x2

    x2
  2. Replies
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    171

    contact your local contractor. They make wireless...

    contact your local contractor. They make wireless thermostats and wireless remote sensors that should give you an easy solution
  3. not supposed to give out diy info, but this is...

    not supposed to give out diy info, but this is pretty simple. It doesn't matter. It's not dc volts. Just hook them up. If it doesn't work then you'll probably have to call someone
  4. instead of putting the sensor on the return bends...

    instead of putting the sensor on the return bends or condenser distributor piping I actually insert it between the fins, It is easy to relocate and you don't have to secure it with zip tie or...
  5. I've used a lot of those, but I now try to use...

    I've used a lot of those, but I now try to use the ICM-333 with the ICM-380 pressure transducer. It's much more accurate and even with the added cost of the transducer
  6. Why not wait until he has his installer look at...

    Why not wait until he has his installer look at it. It could be something very simple. Funny you mentioned York Evcon is a division of York and the local Johnstone's have been selling Evcons with...
  7. not necessarily true. Yes all older (R-22) 5 ton...

    not necessarily true. Yes all older (R-22) 5 ton units above 15'-20' linesets required 1 1/8" suction. This is not the case with R-410A and in most cases they also don't require traps in the lineset....
  8. couldn't open your link, but you could install a...

    couldn't open your link, but you could install a wireless relay. They aren't cheap, but can be used instead of pulling in new wire
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    reason they are probably installing a gas furnace...

    reason they are probably installing a gas furnace in that climate is one of the following. #1 as earlier said installer getting kickbacks from the gas company, #2 strictly for the extra $$$$, or #3...
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    can't answer that as dry coolers where I'm...

    can't answer that as dry coolers where I'm located are only used below 40 degrees. At that point the chiller is shut down, valves shifted and the dry coolers started.
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    I'm on call too

    I'm on call too
  12. Thread: Zoning

    by superfittertech
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    285

    The pneumatics one is an Arzel. Yes there's round...

    The pneumatics one is an Arzel. Yes there's round zone dampers. You wouldn't daisy chain them, you would wire them in parallel. You'll have the correct sized transformer to handle all of the dampers....
  13. If after cleaning the blower wheel then if you...

    If after cleaning the blower wheel then if you decide to change the motor pulley you want to go larger to increase rpms and airflow, not smaller
  14. another frequent problem is on new coils residual...

    another frequent problem is on new coils residual oil left behind from the process of making the coils. The oil prevents condensate from clinging to the fins and it just falls off. I would go into...
  15. if the bathroom vent is going to the central hvac...

    if the bathroom vent is going to the central hvac system then more than likely it is a supply. Especially in the bathroom, but it's hard to say. We're not there. What's wrong with the central a/c...
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    It can be done by a competent professional, but...

    It can be done by a competent professional, but you're in over your head and this is not a DIY site
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    271

    the newer GMVM97 has a 1/2 HP motor in their...

    the newer GMVM97 has a 1/2 HP motor in their smaller furnaces. Even though both are higher horsepower than your old one they'll likely use less power as they're ECM motors. They're of higher...
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    1,529

    a non issue

    a non issue
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    1,529

    conduit looks to be galvanized= no painting...

    conduit looks to be galvanized= no painting required and coil under positive pressure, so again really no trap required.
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    had similar problem. 20 ton Condensing unit on...

    had similar problem. 20 ton Condensing unit on the 6th floor roof. Up 85' then lines went over edge of roof and another 25' across the roof lower than the edge of the roof. After shutting down...
  21. x3x3x3 can't stand ductboard

    x3x3x3 can't stand ductboard
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    80,000 btu 96% furnace and 3 ton a/c on a 1950 sq...

    80,000 btu 96% furnace and 3 ton a/c on a 1950 sq ft house in wny sounds oversized for both. I'm in twin cities minnesota and they would both be oversized here. Unless you have a ton of infiltration...
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    I have the Hilmor and it works great. Does...

    I have the Hilmor and it works great. Does anybody know if they make a reverse bender for it
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    pictures would be helpful

    pictures would be helpful
  25. brand doesn't make very much difference. The...

    brand doesn't make very much difference. The quality of the install and competence of the installing contractor does.
  26. most people are not happy after switching from...

    most people are not happy after switching from hydronic (baseboard) heat to forced air heat. I would suggest a new smaller boiler (load calc required) and install ductless heatpumps using them in...
  27. no pricing allowed. I'm sure mods will be along...

    no pricing allowed. I'm sure mods will be along shortly to delete them
  28. ah, but unless you programmed a setback most...

    ah, but unless you programmed a setback most rarely have to ramp up much and are mainly for comfort, Never had any complaints, but have had many compliments. unfortunately condensing is not mandated...
  29. you don't need to set them up. It's all done with...

    you don't need to set them up. It's all done with the furnace board and controlled by run time. 97% furnaces start up at 35%, The longer the run time the more they will ramp up (the 80% furnaces...
  30. not a true statement if you have a york/coleman...

    not a true statement if you have a york/coleman product. They don't need the modulating thermostat to be truly modulating
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    because that blade rotating clockwise the small...

    because that blade rotating clockwise the small normally trailing edge is now leading. Ducks head/smucks head the smaller part of the blade is supposed to be the trailing edge.
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    yep blades definitely on backwards. Perhaps...

    yep blades definitely on backwards. Perhaps someone reversed them because the unit is so close to the wall or they're the wrong blades
  33. see post #3 sounds like he's switching to DIY so...

    see post #3 sounds like he's switching to DIY so what's the point.
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    then if you let the smoke out you'll call a...

    then if you let the smoke out you'll call a contractor

    :whistle:
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    x2

    x2
  36. you may not even be able to install them legally....

    you may not even be able to install them legally. Here in Mn they wouldn't meet the commercial energy code (seer and gas AFUE).
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    looks like someone overheated the sight...

    looks like someone overheated the sight glass/moisture indicator.
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    I would look into a modulating gas/ variable...

    I would look into a modulating gas/ variable speed furnace with a high seer heat pump. For instance york/Coleman 60,00 BTU furnaces modulate down to a low of 21,000 BTU. So your heat pump will be...
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    Trane voyagers have a minimum outside air...

    Trane voyagers have a minimum outside air potentiometer on the economizer board. All should be bringing in 5-25% osa. It sounds like either one or more or your RTU economizers could be bad and your...
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    don't be surprised to see them on oem equipment...

    don't be surprised to see them on oem equipment in the near future
  41. time for another opinion

    time for another opinion
  42. Coming to an HVAC&R parts house near you

    Start mothballing your torches

    http://sporlanonline.com/ZoomLock/
    :eek2:
  43. really!!! You're suggesting this to someone on...

    really!!! You're suggesting this to someone on the AOP forum. So what if he tries your method and ruptures the diaphragm As you can see doesn't it sound like he's looking for DIY info as others have...
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    no he said osa 75 and ra 65

    no he said osa 75 and ra 65
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    Most air handler coils are on the intake side of...

    Most air handler coils are on the intake side of the blower so when running with just a straight drain line the water won't drain out of the pan until the blower shuts down, but if running most of...
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    it's low outdoor temp and low indoor temp 65...

    it's low outdoor temp and low indoor temp 65 degrees are u kidding so supply air with a 65 degree return is probably 42-45 degrees and the coil temp usually 15 degrees lower than that =27-30 degrees...
  47. bad idea. they probably ran out of 3's and used...

    bad idea. they probably ran out of 3's and used the 5. lots of fuses = a hack or inexperienced tech. Either way, sounds like they'll be back.
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    more than likely both furnace and a/c are over...

    more than likely both furnace and a/c are over sized. you will save some money by changing out the furnace plus get additional rebates, but you really need to check your house insulation and air...
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    x2 on low indoor airflow and running with ra at...

    x2 on low indoor airflow and running with ra at 65 degrees
    :eek2:
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    with an undersized return then you need to...

    with an undersized return then you need to install a deeper trap it will still work, but better to up size the return
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