7
Hydronic Performance
HTW
-V5WD2N8 /
HTW
-V7WD2N8
Figure 2-7.1: HTW-V5(7)WD2N8 hydronic performance
1
Abbreviations:
ESP: External static pressure
Notes:
1. I, II and III indicate water pump speed:
I: Low; II: Medium; III: High.
0
10
20
30
40
50
60
70
0
0.5
1
1.5
2
2.5
ES
P
(kP
a)
Water flow rate (m
3
/h)
240V
220V
III
II
I
42