Features and technical data
Installation, use and maintenance manual – AY
15
1
1.6.2
Pump selector switch setting
Figure 1.16
AY pump selector switch setting
1.6.3
Pressure drops and residual head
Table 1.2
Nominal flow rate and residual head
AY 35
AY 50
AY 100
Installation data
Circulating pump
data
nominal flow at the maximum available head
l/h
2600
2350
4700
Residual pressure head at nominal flow
rate
boiler only
bar
0,44
1.6.3.1
AY 35
Figure 1.17
Available head and pressure drop of the boiler
A Boiler pressure drop with 20% glycol water
B
Boiler pressure drop with no glycol in water
0,0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
500
1000
1500
2000
2500
3000
3500
A
B
[bar]
[l/h]
