Flow resistance on solar-side, solar coil (bottom)
200
180
160
140
120
100
80
60
40
20
0
0
Flow resistance heating water side, heating coil (top)
120
100
80
60
40
20
0
0
16
Flow resistances
500
1000
1500
500
1000
1500
2000
2500
Solar fluid flow rate [l/h]
2000
2500
Hot water flow rate [l/h]
SEM-2-300
SEM-2-400
3000
3500
4000
SEM-2-300
SEM-2-400
3000
3500
4000
3062505_201312
4500
4500