Performance Modelling of Dual Air/Water Collector in Solar Water and Space Heating Application

Table 5

Air heating mode (V1, V2, and V3).

Parameter	V1	V2	V3
Collector orientation	South, 45° (based on the roof slope)
Collector area	Based on the collector area for the reference variant
Set point temperature	22°C
Function	Fresh air preheating (before HR unit)	Fresh air preheating (after HR unit)	Direct air heating (recirculating air)
Air flow rate	100 m^3/h	100 m^3/h	400 m^3/h