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2. Fan coil unit - Wikipedia

   en.wikipedia.org/wiki/Fan_coil_unit

   These motors are sometimes called DC motors, sometimes EC motors and occasionally DC/EC motors. DC stands for direct current and EC stands for electronically commutated.. DC motors allow the speed of the fans within a fan coil unit to be controlled by means of a 0-10 Volt input control signal to the motor/s, the transformers and speed switches associated with AC fan coils are not required.

3. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   The fan enclosure is directly behind the board, and the filters can be seen at the top. The safety interlock switch is at the bottom left. In the lower middle is the capacitor. Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of

4. Thermal expansion valve - Wikipedia

   en.wikipedia.org/wiki/Thermal_expansion_valve

   A thermal expansion valve is a key element to a heat pump; this is the cycle that makes air conditioning, or air cooling, possible.A basic refrigeration cycle consists of four major elements: a compressor, a condenser, a metering device and an evaporator.

5. AOL Mail - AOL Help

   help.aol.com/products/aol-webmail

   Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

6. The 9 Best Grocery Items for Weight Loss, According to ... - AOL

   www.aol.com/9-best-grocery-items-weight...

   "Tacking on a side salad to your meals is a delicious way to fill you up and add fiber and nutrients to your eating pattern." Leafy greens—like spinach, kale, collards, lettuce and cabbage ...

7. Centrifugal fan - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_fan

   Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.

8. 3 police officers stabbed in Texas; 18-year-old man faces ...

   www.aol.com/news/3-police-officers-stabbed...

   Lighter Side. Medicare. News. Science & Tech. Shopping. Sports. Weather. 3 police officers stabbed in Texas; 18-year-old man faces attempted capital murder charges. Natalie Neysa Alund, USA TODAY.

9. Deion Sanders CANNOT fix Cowboys & did we forget about the ...

   www.aol.com/sports/deion-sanders-cannot-fix...

   Jason Fitz, Charles Robinson & Frank Schwab look at what a path to fixing the Dallas Cowboys would look like and recap the Thursday Night Football game between the Philadelphia Eagles and ...