17
Giacomini S.p.A.
Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia
+39 0322 923372 - giacomini.com
Secondary circuit: DHW production
B
C
10000
1000
∆
P [mm H
2
o]
Q [l/h]
100
10
10
100
10000
1000
Kv = 0,8
High-temperature heating with kit GE556Y544 (presetting valve)
D
E
G
F
Presetting valve
position
0.5
1
2
3
4
5
6
7
N
(Fully Open)
Kv
(R402PTG 3/4”)
0.14 0.26
0.29
0.34 0.38 0.44 0.54 0.60
0.70
10000
1000
∆
P [mm H
2
o]
Q [l/h]
100
10
10
100
10000
1000
N
0,5
1 2 3 4 5 67
5000
Differential pressure
regulation range
Heating
