Raypak LONMARK Y-200 - Manual (Page 21)

21
Fig. 10: System to Outdoor Temperature
Typical Reset Ratio Setpoint at Design Temp:
Temp@ Temp@
Radiation Design Cond. 70°F 40°F 20°F 0°F -20°F
Standing 190 105 0.3:1 0.6:1 0.8:1 1.1:1
Convection or
Baseboard 200 105 0.3:1 0.5:1 0.7:1 0.9:1
Fan coil
Heating 190 105 0.3:1 0.6:1 0.8:1 1.1:1
Fan Coil
Heat and Cool 140 105 0.9:1 1.4:1 2.0:1 2.6:1
Radiant
Floor 120 105 2.0:1 3.3:1 4.7:1 6.0:1
Radiant
Ceiling 120 105 2.0:1 3.3:1 4.7:1 6.0:1
Table H: Suggested Guidelines