% Minimal plain-TeX example using the format-specific wrapper.
\input p-luacoolprop.tex
\pgfplotsset{compat=1.18}
\LCPHSDiagram[
  fluid=Water,
  pressure min=10000,
  pressure max=30000000,
  quality step=0.2,
  isotherm=true,
  temperature values={100,200,300,400},
  isobar=true,
  isobar values={0.1,1,10,100},
  isobar temperature min=10,
  isobar temperature max=500,
  labels=false
]
\bye