... panels: 12, 14, 16, 18, 20, 22Geomtrical radiation area: 20.40, 23.80, 27.20, 30.60, 34.00, 37. ... 21.72, 25.34, 28.96, 32.58, 36.20, 39.82m2Effective cooling surface: 13.60, 15.66, 17.68, ... Header centerline distance: 1700Number of panels: 14, 16, 18, 20, 22, 24Geomtrical radiation area: 27.02, 30.88, ... of panels: 16, 18, 20, 22, 24, 26Geomtrical radiation area: 31.68, 35.64, 39.60, 43.56, 47.52 ...