furnace filter air flow diagram
The arrow must face toward the furnace and away from the return duct that pulls the air in need of heating or cooling. The speed of flow or velocity of the air usually referred to in feet per minute ftmin is represented by the symbolv.
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Today were going to talk about why its important for a furnace filter to face in the right direction and how to ensure you install yours the.
. This small diagram displays the air flow pattern so that the air can be filtered properly. Furnace filters typically have a small image on the top that shows the direction in which it should be installed. Air flow configuration such as upflow downflow and horizontal is a common way to describe furnaces.
Designed for homes from 2700 sq. Whats the right furnace filter. The heat exchanger burner flue ductwork and ventilation pipes are the main parts of a furnace.
Electric furnaces are unique and feature a contactor sequencer and transformer. Installing a new air filter in your furnace or air conditioner is a relatively simple task. If the old filter has already been removed you can use these tips as a guide when replacing furnace filter.
However electric and gas models tend to be the most common with the latter being considered the most efficient according to EnergyStar. After three months of use the Kirkland was up to 04 where the 3M was only up to 03 about where the Kirkland is when new. Well show you which direction to install your air filter and what can happen if its installed the wrong way.
The arrow must always face toward the furnace and away from the return duct. Whats the right furnace filter. The next time you change your filter match up the arrows directions and viola youve properly.
The other side does not have a reinforced mesh and instead is just a clean filter for air to transfer through. In an upflow furnace cool air from your house enters either at the bottom or top of the air handler depending on the furnace model and heated air flows out the top. Fluids flow through a filter due to a difference in pressurefluid flows from the high-pressure side to the low-pressure side of the filter.
The heated air then moves into the supply ductwork and off to your rooms. But if your filter is installed in the wrong direction a mistake that can be made quite easily the performance and efficiency of your system will suffer. Determine where on the furnace you can find the filter air box.
The easiest way in determining which way the furnace filter direction is to refer to the old filter before removing it and installing the new one in the same way. I also tested the pressure drop of these two filters when new on my 800 CFM furnace and its no surprise now why the Kirkland has 50 more pressure drop across the filter when new 031 H2O vs 020 for the 3M. Upflow furnaces are most often installed in basements and less commonly in crawl spaces.
Furnace air flow direction diagram. Furnace air flow direction diagram. 1 Furnace Dimensions 2 16 Separate Thermostats Separate Furnace Wiring Diagram 14 2 Closet Clearances 4 17 Separate Tstat Separate.
The color of wire R is usually RED and C is BLACK. The filters should indicate which direction the air is supposed to flow. A condenser that heats or cools the air depending on which way the refrigerant flows.
Use two wrenches on gas fittings when tightening gas connections.
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