Page 38
User, Installations and Maintenance Manual
14.2
Solar coil fluid: m propylene glycol 33% by volume
0
1
2
3
4
2
3
4
5
6
7
8
9
10
P [k
W]
Q [L/min]
DTin 5K
DTin 10K
DTin 15K
Q [L/min]
DTin 5K - - DTin 10K ---- DTin 15K
P [kW]
fig. 41
0
5
10
15
20
2
3
4
5
6
7
8
9
10
∆∆
H [
m
bar
]
Q [L/min]
Q [L/min]
D
H [mbar]
fig. 42
LEGEND
P [kW] = solar panel thermal power
D
Tin [K] = difference between solar coil inlet fluid temperature and tank water temperature
Q [L/min] = solar coil fluid flow rate
ΔH [mbar] = solar coil pressure drop
