Fan Coil Unit – FCU HVAC

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In this video we take a look into HVAC fan coil units to understand how they work. Using 3D models, photos and diagrams to build your knowledge.

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23 COMMENTS

  1. ⚠️ Found this video super useful? Buy Paul a coffee to say thanks: ☕

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  2. Can you explain how alternative heating and cooling sources work, this is when neither a boiler or chiller plants are present. You mentioned that refrigerant or electric elements are used but how does that work? And is it also used in the AHU?

  3. I have a question about the positioning of the Belimo or other 3 way actuators being used. The units that I handle all have these actuators installed on the return piping, what I am trying to understand is in the case where the units are being called to cool a space, there is still heated water flowing through the coil while the unit is trying to cool the air supplied into the space. Shouldn't the heating coil be isolated to allow the cooling process to be faster or is this some secret efficiency method that I am not understanding?

  4. Hi, I am new to mechanical here. May I ask is there a need to have refrigerant pipe and condensate pipe when installing new Fan Coil Units and VAV boxes?

  5. So we often have certain spaces in our building fed by FCUs. I n some cases very cold air will enter the space via the diffuser and for some reason we cannot determine why this air is entering cold. Set point adjustments seem not to work in raising the SA into the space.

  6. Thank you very much this video helped me very but I would like to suggest you please also type the name of elements .

  7. This units are a pain to work on sometimes not becuase its complicated, but becuase theres limited space to work on them.

  8. Good day sir
    Sir I am little bit confused about what is the difference between air handling unit and fan coil unit sir kindly tell me the difference

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