Immergas 3.033210 Instruction And Warning Book page 37

Domestic hot water storage side pump available head.
50
40
30
Y1
20
10
0
0
Solar circulation unit available head.
80
70
V2
60
V1
50
Y1
40
30
20
10
0
0 200
2
200 400
X1 = Flow rate (l/h)
Y1 = Head (kPa)
Y2 = Pump absorbed power (W)
1 = Pump absorbed power
2 = Total head available to the system
V3
A3
400 600 800
X1
1
600 800 1000
X1
80
70
60
Key:
50
X1 = Flow rate (l/h)
Y2
Y1 = Head (kPa)
40
A2 Y2 = Pump absorbed power (W)
Vn = Available head
30
A1
An = Pump absorbed power
20
10
0
1000 1200
50
40
30
Y2
20
10
0
1200
9
10
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