Tonnage of AC

aicbal

aicbal

@aicbal-t5T7aK • Oct 23, 2024
what is tonnage of AC machine? What is the diffrence between 1.5T capcity and 1.5TR capacity of a AC machine? Ton or Tonn ?
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  • Ramani Aswath

    Ramani Aswath

    @ramani-VR4O43 • Apr 7, 2011

    aicbal
    what is tonnage of AC machine? What is the diffrence between 1.5T capcity and 1.5TR capacity of a AC machine? Ton or Tonn ?#-Link-Snipped-#
    Before the days of AC machines, rooms used to be cooled by keeping blocks of ice usually at a height. The latent heat of melting of ice is 80 Kcal/Kg. It was found convenient to specify the cooling capacity of AC systems by the eqivalent latent heat of melting of ice. A 1.5 tonne AC poduces a cooling of 1.5 x 8000 Kcals in 24 hours. Ton in India is the Tonne (1000 KG)

    1 Tonne = 1000 KG
    1 Ton = 2000 Lbs

    Bioramani
  • aicbal

    aicbal

    @aicbal-t5T7aK • Apr 7, 2011

    what is 'TR'?
  • Ramani Aswath

    Ramani Aswath

    @ramani-VR4O43 • Apr 8, 2011

    Tonnage Rating. Loosely used as tonnage alone. In India both seem to mean the same.
    Bioramani
  • shubhankar

    shubhankar

    @shubhankar-CeulhT • Apr 9, 2011

    i had worked on a project at batukbhai jewellers electrical installation in nagpur. there we had a 22TR AC unit to cool the ground floor. moreover we had 3 separate 18 HP compressors for the other 3 floors. if i am not mistaken 1.5*HP rating is the TR rating
  • aicbal

    aicbal

    @aicbal-t5T7aK • Apr 10, 2011

    hi shubhankar, i think you are right. by the way, any one can say,

    1 T = how much kW?
  • shubhankar

    shubhankar

    @shubhankar-CeulhT • Apr 11, 2011

    the HP in the above equation has to be converted to kW by multipliying by 0.746...thus we can easily establish the asked relation also/