Results 1 to 7 of 7
  1. #1
    Join Date
    Oct 2005
    Location
    IRAN
    Age
    47
    Posts
    893
    Rep Power
    12

    HC system basics



    Dear all,

    I am sure that this thread is very basic for the HC experts but since I have no experience in this field, I would like to start this thread for myself and others who are like me .

    As HCs are growing in our industry therefore, I think it is something we need to learn.

    Can anyone explain :

    1- Major difference with DX system with HCFC,...
    2- Design differences
    3- Equipment differences
    4- Safety issues

    And anything you think a beginner must know.

    Again forgive me if this is very simple for you guys.

    Appreciate your help.
    Cheers


    Even Einstein Asked Questions

  2. #2
    Brian_UK's Avatar
    Brian_UK is online now Moderator I am starting to push the Mods: of RE Site Moderator : and general nice guy
    Join Date
    Mar 2001
    Location
    Dorset
    Age
    69
    Posts
    10,382
    Rep Power
    49

    Re: HC system basics

    Hi Lane, don't work with HCs myself but this BOC tech file might be of interest...

    http://www.bocindustrial.co.uk/bocin...nical_Info.pdf
    Brian - Newton Abbot, Devon, UK
    Retired March 2015
    Please support http://the100project.net/Home

  3. #3
    Join Date
    Aug 2005
    Location
    USA
    Posts
    5,330
    Rep Power
    19

    Re: HC system basics

    Working with hydrocarbons should be based on several design assumptions to meet.


    1. The fluids are refrigerant grade. Various lighter components can separate and act as non-condensable vapor.
    2. The electrical systems/wiring are per code (usually explosion-proof.
    3. The proper oil is selected. Hydrocarbons tend to thin out the oils and result in loss of adequate lubrication/viscosity.
    4. The proper materials of construction are used. Non-sparking on external rotating devices (fans, couplings, etc.)

    Other than these, it's just a refrigeration system.
    If all else fails, ask for help.


  4. #4
    Join Date
    Oct 2005
    Location
    IRAN
    Age
    47
    Posts
    893
    Rep Power
    12

    Re: HC system basics

    Thanks everybody for your reply.

    Any quantity restriction for residential applications? US And Europe.

    Cheers
    Even Einstein Asked Questions

  5. #5
    Brian_UK's Avatar
    Brian_UK is online now Moderator I am starting to push the Mods: of RE Site Moderator : and general nice guy
    Join Date
    Mar 2001
    Location
    Dorset
    Age
    69
    Posts
    10,382
    Rep Power
    49

    Re: HC system basics

    Quote Originally Posted by lana View Post
    Any quantity restriction for residential applications? US And Europe.

    Cheers
    Section 5 of the above BOC document details some of that.
    Brian - Newton Abbot, Devon, UK
    Retired March 2015
    Please support http://the100project.net/Home

  6. #6
    Join Date
    Nov 2006
    Location
    UK
    Age
    44
    Posts
    701
    Rep Power
    15

    Re: HC system basics

    Quote Originally Posted by lana View Post
    Thanks everybody for your reply.

    Any quantity restriction for residential applications? US And Europe.

    Cheers
    Check out BS EN 378 2008

    Not to sure which part but I am sure refrigerant charge is restriced based on occupancy of the building

  7. #7
    Join Date
    Oct 2005
    Location
    IRAN
    Age
    47
    Posts
    893
    Rep Power
    12

    Re: HC system basics

    Thanks everybody,

    I found the restriction.

    Cheers
    Even Einstein Asked Questions

Similar Threads

  1. Ammonia Heat Pumps
    By US Iceman in forum New Technologies
    Replies: 39
    Last Post: 22-03-2010, 06:36 PM
  2. Enthalpy Increasing Buffer System
    By Reflexive in forum Technical Speculations
    Replies: 3
    Last Post: 23-12-2008, 03:18 PM
  3. Fan model for system optimization
    By autt in forum System Optimization
    Replies: 8
    Last Post: 31-03-2007, 05:34 AM
  4. Need Help On experimental System
    By manuelcm in forum Fundamentals
    Replies: 16
    Last Post: 17-12-2006, 05:47 AM
  5. Automotive A/C Vent Temp Range vs System
    By Don Browney in forum Air Conditioning
    Replies: 1
    Last Post: 15-05-2002, 06:19 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •