compareVars :=
  {
    "heaPum1.QLoa_flow",
    "heaPum.QLoa_flow",
    "heaPum1.P",
    "heaPum.P",
    "capErr.y",
    "heaPum1.COP",
    "heaPum.COP",
    "heaPum1.dp1",
    "heaPum.dp2",
    "heaPum1.dp1",
    "heaPum.dp2"
  };
