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Raypak Y-200 User Manual

Page 21

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21

Fig. 10: System to Outdoor Temperature

Table G: Suggested Guidelines

Radiation

Typical

Reset Ratio Setpoint at Design Temp:

Temp @

Design Cond.

Temp @

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