The volume flow setpoints for the heating or cooling sequence can be defined independent of one another. The values are not interdependent.
Volume flow
setpoints
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| VAV volume flow |
| TR | Room temperature |
SpH | Effective heating setpoint |
| SpC | Effective cooling setpoint |
VavSuAirFlMaxH | Maximum air volume flow heating |
| VavSuAirFlMaxC | Maximum air volume flow cooling |
VavSuAirFlMinH | Minimum air volume flow heating |
| VavSuAirFlMinC | Minimum air volume flow cooling |
VavSuAflMinVnt | minimum air volume flow for ventilation |
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Figure: Serial control sequence for a VAV application with different air volumes for heating and cooling
Description | Name | Default value |
|---|---|---|
Supply air VAV maximum air volume flow for cooling | VavSuAirFlMaxC | 100 [m3/h] |
Supply air VAV minimum air volume flow for cooling | VavSuAirFlMinC | 50 [m3/h] |
Supply air VAV maximum air volume flow for heating | VavSuAirFlMaxH | 100 [m3/h] |
Supply air VAV minimum air volume flow for heating | VavSuAirFlMinH | 50 [m3/h] |
Supply air VAV minimum air flow for ventilation | VavSuAflMinVnt | 0 [m3/h] |