Assortment / System Description

VAV application
Volume flow setpoints heating/cooling
18
124 | 275 A6V10866237_en--_b_08
18.3 Volume flow setpoints heating/cooling
The volume flow setpoints for heating or cooling sequence can be defined
independent of one another. The values are not interdependent.
VAV volume flow TR Room temperature
SpH Effective heating setpoint SpC Effective cooling setpoint
VavSuAirFl
MaxH
Maximum air volume flow heating VavSuAirFl
MaxC
Maximum air volume flow cooling
VavSuAirFl
MinH
Minimum air volume flow heating VavSuAirFl
MinC
Minimum air volume flow cooling
VavSuAflMi
nVnt
minimum air volume flow for
ventilation
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 [m
3
/h]
Supply air VAV minimum air volume flow for cooling VavSuAirFlMinC 50 [m
3
/h]
Supply air VAV maximum air volume flow for heating VavSuAirFlMaxH 100 [m
3
/h]
Supply air VAV minimum air volume flow for heating VavSuAirFlMinH 50 [m
3
/h]
Supply air VAV minimum air flow for ventilation VavSuAflMinVnt 0 [m
3
/h]
Volume flow
setpoints