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  1. Replies
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    The Xc13 unit will be significantly quieter and...

    The Xc13 unit will be significantly quieter and more efficient. AirFlow is owned by Lennox international and is of similar design to older Lennox equipment. AirFlow uses an Emerson fan motor and a...
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    Heat pumps are over hyped for MN as winters are...

    Heat pumps are over hyped for MN as winters are too cold.
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    812

    You'd have a lot better luck if you apply for a...

    You'd have a lot better luck if you apply for a professional membership and post in the technical area. Also supply model and serial number.
  4. You need to make sure that the Tstat is capable...

    You need to make sure that the Tstat is capable of operating with millivoltage...can't think of a programmable off hand, but there should be a few.
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    I've had this happen with a gift card from Best...

    I've had this happen with a gift card from Best Buy that my grandparents bought me. The cards on the racks are worthless until activated at the register to void any theft of the cards. The only way...
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    1,113

    On an 80 or 90% furnace, a crack in the heat...

    On an 80 or 90% furnace, a crack in the heat exchanger will cause the air to "short cycle" through the heat exchanger. Instead of the inducer motor pulling in air through the venturi of the burner...
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    The only way I can think of doing that is to have...

    The only way I can think of doing that is to have a seperate Tstat to control the unit's blower motor to cycle with a call for heat. Temp. drop would close the heating contacts and actuate the coil...
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    First step to changing a York heat exchanger,...

    First step to changing a York heat exchanger, disassemble enitre unit around heat exchanger. I mean seriously York, between spark to pilot on an RTU and changing your heat exchangers...I'm glad I'm...
  9. Thread: holiday

    by subcooled_
    Replies
    8
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    1,075

    No more 3A.M. no heat wakeup calls when it's -20...

    No more 3A.M. no heat wakeup calls when it's -20 for you...lucky:D
  10. Thread: holiday

    by subcooled_
    Replies
    8
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    1,075

    I'm oncall:(

    I'm oncall:(
  11. All furnaces should have easily visable "Check...

    All furnaces should have easily visable "Check Engine" lights IMO. You guys would do more business. Homeowners would be safer.[/QUOTE]

    All newer furnaces will go into a "hard lockout" requiring...
  12. Any combination of installation errors/factory...

    Any combination of installation errors/factory defects/or lack of maint. can contribute to premature failure.
  13. OEM parts. I know, the same can be said of...

    OEM parts. I know, the same can be said of Lennox.
  14. "It's hard to pay for a Trane!":p

    "It's hard to pay for a Trane!":p
  15. The fan will blow air into the heat exchanger...

    The fan will blow air into the heat exchanger through the cracks, which is now has positive pressure instead of negative. The positive pressure forces the flames to rollout and either burn wires,...
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    I worked for an independent HVACR contractor for...

    I worked for an independent HVACR contractor for MPHA. I often worked over 40hrs. Their internal maint. staff (the guys who would jump high limits) were under strict orders to not work over 40hrs.
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    MPHA used metal filters because there was no way...

    MPHA used metal filters because there was no way anyone living the houses was going to buy or replace filters. The metal ones would get plugged up enough to trip the high limit, I would come out,...
  18. Thread: Painted RTU

    by subcooled_
    Replies
    11
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    2,821

    I know there are codes that disallow being able...

    I know there are codes that disallow being able to see rtus from the front of the building. They did paint it the same color as the building, but didn't paint the other rtu on a symmetrical building...
  19. Thread: Pic test

    by subcooled_
    Replies
    0
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    555

    Pic test

    http://i198.photobucket.com/albums/aa309/subcooled/Deck.jpg
  20. Thread: Painted RTU

    by subcooled_
    Replies
    11
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    2,821

    Painted RTU

    Why do so many people have their rtus painted. This is an '04 Lennox L series that someone painted over with cheap paint and left the tape on like this. There was an identical unit on the roof that...
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    Safties

    Do you bypass auxiliary limits with the mind set of "there's still a primary limit?"

    There's a right way to do things and a wrong way. Yes some residential single phase disconnects don't have...
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    How you gonna follow me and put my patent pending...

    How you gonna follow me and put my patent pending towing method on the internet for all to see?:confused:
  23. Replies
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    4,148

    Is that a joke?:eek:

    Is that a joke?:eek:
  24. Replies
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    2,356

    I hate "smart" valves.

    I hate "smart" valves.
  25. A condensate leak can be as simple as a loose...

    A condensate leak can be as simple as a loose band clamp. Or it could be a crack in the plastic. Either way, good call on not touching it so they can't blame you. Depending on your warranty, you...
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