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  1. #1

    Air exchanger dripping

    My venmar constructo air exchanger is dripping water. I cleaned the filters and core and even re leveled the unit. It still leaks after a few hours of use. wondering what else it could be. When I open the door the damper on the unit shuts and closes. Is it possible that it is still malfunctioning at some point?

    Cheers

  2. #2
    Join Date
    Jun 2003
    Location
    Madison, WI/Cape Coral, FL
    Posts
    6,638
    ERV or HRV? HRVs will have condensate dripping from the drain. ERVs not so much.
    Regards TB
    Bear Rules: Keep our home <50% RH summer, controls mites/mold and very comfortable.
    Provide 60-100 cfm of fresh air when occupied to purge indoor pollutants and keep window dry during cold weather. T-stat setup/setback +8 hrs. saves energy
    Use +Merv 10 air filter. -Don't forget the "Golden Rule"

  3. #3
    HRV. It's leaking around the edge of the door in corner.

  4. #4
    Join Date
    Feb 2010
    Location
    Calgary, Alberta
    Posts
    1,151
    Is the drain plugged? Filters clogged?

    What's the outside temperature?

  5. #5
    Filters were just cleaned. Drain is not clogged. Temp is around 0 celsius

  6. #6
    Join Date
    Jun 2003
    Location
    Madison, WI/Cape Coral, FL
    Posts
    6,638
    This a plumbing problem. The heat exchanger has a drip rail that is connect to the drain tube. The drip rail should be located under the center of the heat exchanger. Also the tube can be air locked causing the drip rail to overflow.
    Regards TB
    Bear Rules: Keep our home <50% RH summer, controls mites/mold and very comfortable.
    Provide 60-100 cfm of fresh air when occupied to purge indoor pollutants and keep window dry during cold weather. T-stat setup/setback +8 hrs. saves energy
    Use +Merv 10 air filter. -Don't forget the "Golden Rule"

  7. #7
    Join Date
    Aug 2012
    Location
    MN
    Posts
    89
    Look at the insulation on the door of the unit. Is it crushed allowing condensing.

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