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  1. #1

    Smile Free hvac lessons

    dear all member :
    i decided to provide free hvac lessons for HVAC-Talk members which aim to develop HVAC designer's skills and knowledge about HVAC design and I will put it in HVAC-Talk forum soon

    With my Best wishes;
    Eng.Mohamed fawzy

  2. #2

    Smile Lesson#1 Introduction to HVAC systems

    In this lesson we will talk about:

    The goal of HVAC system.

    Comfort requirements.

    Dissecting HVAC system to loops.

    1.The goal of HVAC system:

    The goal of the heating, ventilating, and air conditioning (HVAC) system is to create and maintain a comfortable environment within a building.

    2- Comfort Requirements:

    A comfortable environment, however, is broader than just temperature and humidity. Comfort requirements that are typically impacted by the HVAC system include:

    Dry bulb temperature
    Air movement
    Fresh air
    Cleanliness of the air
    Noise levels

    3- Dissecting HVAC system:

    Dissecting HVAC system is a method for understanding the components of different types of HVAC system.

    The premise of this method is that any HVAC system can be dissected into basic subsystems will be referred to "loops".

    There are five primary loops that can describe any type of HVAC systems:
    Air side loop.
    Chilled water loop.
    Refrigeration loop.
    Heat rejection loop.
    Control loop.

    Please note that not every system will use all five loops.

    Now this lesson is finished write your questions about this lesson in the comments below we will talk in the next lesson about every loop in details see you soon

    To View Lesson#1 Source you can Enter <link removed>
    Last edited by jrbenny; 04-05-2009 at 08:37 PM.

  3. #3
    Join Date
    Aug 2000
    Nothing in life is "free". Sure resembles the Trane courses with the text modified/changed. Copyright infringment?
    Your poor planning does not constitute an emergency on my part!!!!

  4. #4
    Join Date
    Jan 2009
    it look like a peer to peer download..i am leary of those

  5. #5
    Join Date
    Jan 2008
    I don't know about you, but I am a little leary about clicking on this guy's links

  6. #6
    Join Date
    May 2004

  7. #7
    Join Date
    Jan 2008
    Outside The Motor City
    sounds like an instant coffee freak to me
    NO Brains NO Headaches

  8. #8
    Join Date
    Dec 2008
    Dixiana, AL
    Sounds like a job for the Thread Police!!!!!!

  9. #9
    Join Date
    Nov 2008
    Quote Originally Posted by hvac248 View Post
    sounds like an instant coffee freak to me

  10. #10
    Join Date
    Jan 2008
    Dallas ,Texas
    I wish I would have known this was free before I spent my $500 bucks.
    UA 100

    It takes three people to do anything around here. Two do the work, one explains to the crowd of people who showed up when they seen smoke and flames.

  11. #11
    Join Date
    Sep 2005
    I think it just might time to shut this thread down.Just my 2 cents
    I love the smell of phosgene first thing in the morning:

    To apply for professional membership click here

    Educational forums are open.

    If you would like to submit a link or an article or other related info to the EF. click here

  12. #12

    Smile About me

    I,m a mechanical engineer who have a good experience in air conditioning,fire protection and plumbing systems design.
    i have B.Sc. Degree in mechanical power engineering From Mansoura University, Year 2005.
    i,m currently working as a design engineer for allied consultant company since 2005 till now.i enjoy helping others to success and i try to teach my strategies in the design via my lessons,handbooks,sotwares and catalouges
    i will send my form and cv to the administrator to be profissional member

  13. #13
    Join Date
    Apr 2002
    Four years and you are ready to teach. I say you have not even had a chance to cut your own teeth yet
    The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.

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