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  1. Thread: sweating plenuem

    by khc
    Replies
    12
    Views
    1,153

    firecontrol All makes sense.... but the...

    firecontrol

    All makes sense.... but the damper is closed. Furnace is DC varaible motor and the board has a flashing light which tells you how many cfm it is moving. 2000cfm for 5 ton of cooling...
  2. Thread: sweating plenuem

    by khc
    Replies
    12
    Views
    1,153

    The coil is in the supply plenuem above the...

    The coil is in the supply plenuem above the furnace cabinet,the duct and plenuems are insulated internally. Sweating is only occurring on the canvas connections,coil door, pipe to by-pass humidifer...
  3. Thread: sweating plenuem

    by khc
    Replies
    12
    Views
    1,153

    When I sweating I mean dripping with condensation...

    When I sweating I mean dripping with condensation and the relative humidity is in the fifties.Also out of three furnaces it is the only one doing this. If the house needed time to dry out wouldn't...
  4. Thread: sweating plenuem

    by khc
    Replies
    12
    Views
    1,153

    cheapie throw aways and yes they are clean...

    cheapie throw aways and yes they are clean changed once a week as house is in final stages of construction.
  5. Thread: sweating plenuem

    by khc
    Replies
    12
    Views
    1,153

    This house had three furnaces one on the 2nd...

    This house had three furnaces one on the 2nd storey, one in basement for the main floor, and another one for the basement. The furnace for the main floor was sweating badly, figuring is was the...
  6. Replies
    9
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    1,566

    huh

    huh
  7. Replies
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    1,566

    Installed a 2 1/2 12seer unit today, got the...

    Installed a 2 1/2 12seer unit today, got the superheat where I wanted it and the compressor head started to sweat. Danger....Danger. Checked for correct orifice. Thought about valves .....scroll...
  8. Replies
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    1,566

    Which is more important to achieve when charging...

    Which is more important to achieve when charging a central air conditioner temp difference or superheat. I was always taught to achieve a 20 F difference. But recently I seem to be achieving my...
  9. I don,t know about this paticular air handler,...

    I don,t know about this paticular air handler, but with most furnaces anything over 1600 cfm it is usally recommended that you either come off the bottom with the return air or use both sides of the...
  10. What is this MERV rating system ? Never seen it...

    What is this MERV rating system ? Never seen it before until recently. What would a MERV 1 be if spaceguard is a MERV 10
  11. Thread: Ductwork for hrv

    by khc
    Replies
    8
    Views
    5,251

    Sorry Doc I am Missing your point. When might it...

    Sorry Doc I am Missing your point. When might it not be possible to insulate around the pipe? Better location maybe? That pipe must be insulated and have a vapour barrier regardless.
  12. Thread: Ductwork for hrv

    by khc
    Replies
    8
    Views
    5,251

    Stay away from flex all together. Use solid pipe...

    Stay away from flex all together. Use solid pipe and insulate pipe to and from exterior. Flex just sags with condensation build up. Any you guys believe in fully ducting or just using the simplfied...
  13. Thread: Hepa or U.V.?

    by khc
    Replies
    40
    Views
    4,419

    As a aftermarket product does 2200 or 2500 not...

    As a aftermarket product does 2200 or 2500 not cause problems with high static pressure with duct that were not designed for that type of filter media.
  14. Thread: Hepa or U.V.?

    by khc
    Replies
    40
    Views
    4,419

    So then would constuite as a good filtration...

    So then would constuite as a good filtration system as i was always lead to believe that Hepa was the cadillac of filtration systems ?
  15. Replies
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    8,454

    i believe that the furnace room is not a good...

    i believe that the furnace room is not a good location as you can get false alarms when you have a draft chimmeny as it may spill for second before the heat corrects the draft?
  16. Replies
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    1,993

    Turns out they have an office 20 mins away from...

    Turns out they have an office 20 mins away from me. Thanks for your help..
  17. Replies
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    1,993

    Do you know where they operate out of , would...

    Do you know where they operate out of , would like to talk to them and see what they could offer. Thanks for all your help.
  18. Replies
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    1,993

    Is possible to get a 70F temp rise out of a water...

    Is possible to get a 70F temp rise out of a water coil ?
  19. Replies
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    1,993

    will the hot water have the ability to give that...

    will the hot water have the ability to give that great of a temperature rise, and if so how would you modulate the output with the outdoor temperature? I guess you would have to use a glycol brine...
  20. Replies
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    1,993

    Burlington Lakeshore not far from T.O. Make-up...

    Burlington Lakeshore not far from T.O.

    Make-up was designed by heatloss duct designer with the co-operation of a mecahical engineer. But NO stamp !!!! Makes me nervous right there. Thanks for all...
  21. Replies
    22
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    1,993

    Combustion air is coming from the air inside the...

    Combustion air is coming from the air inside the house !! There is three forced air furnaces, one each floor. The basement is a seperate area as it is all fire rated and gas proof. There is a garage...
  22. Replies
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    1,993

    src controller ?

    src controller ?
  23. Replies
    22
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    1,993

    I am bringing fresh air from the outside that...

    I am bringing fresh air from the outside that could be a low as 0F or as hot as 90F. The information I got from the manufacture was that when the cold air coming from outside will hit the electic...
  24. Replies
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    1,993

    crazy kitchen hood

    The unit is made by Unitary Products Group (york) and the I beleive is a N1AH is an airhandler with the option of add on electric coils. I contacted the Manufacture directly and the issue is that...
  25. Replies
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    1,993

    Help ! Suggestion or idea appreciated. 6500sqft...

    Help ! Suggestion or idea appreciated.
    6500sqft house with 2 wood chimmenys with 80,000btu gas logs and get this one 1200cfm kitchen hood. New house so tight construction. Between an engineer and...
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