Why A Condensate Trap Is Needed On An Air Conditioner Up Close View In this hvac training video, i show if when to install a water drain trap such as a p trap, u trap, dry trap on a furnace & ac unit, air handler system, and. Understanding the importance of primary and secondary p traps is essential for hvac professionals and homeowners alike. these traps play a vital role in maintaining the integrity of condensate drain lines, preventing leaks, and protecting the air handling unit from water damage. proper placement, regular inspection, and maintenance are key to.
Air Conditioning Why Does Ac Unit Need Condensation Drain Trap Sunday, july 29, 2018. as the air conditioner cools your home, humidity in the air condenses into water on the surfaces of the evaporator coil of your air handler (air conditioner indoor unit). the water drips down into a trough that drains into a drain line to the ground near an exterior wall of your home. because the drain piping is open at. In this hvac video, i show how the water is held back in the condensate pan and will overflow without a condensate water trap! i take you in for an up close. The trap in the condensate drain, prevents the unit from sucking air from; or blowing air into, the drain line. without the trap, the condensate may not drain until the blower turns off. this could lead to the pan overflowing. so you can't remove that. the secondary drain is typically for situations when the main drain is blocked, or otherwise. "do not operate unit without a drain trap. the condensate drain is on the negative pressure side of the blower; thererfore, air being pulled through the condensate line will prevent positive drainage without a proper trap". yes, the bolds in this quote are from the manufacturer, not me. once you install the trap you must prime it to get it started.
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