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