36
R
M
4
5
6
6
7
0
120
20
100
40
80
60
1
2
3
C
E
8
9
11
12
10
U
13
KEY
1
Burner
2
Boiler
3
Boiler thermometer
4
Boiler drain
5
Non-return valve
6
Automatic air vent
7
D.H.W. pump
8
Magnesium anode
9
D.H.W. tank drain
10
D.H.W. storage tank
11
D.H.W. tank expansion vessel
12
D.H.W. tank safety valve
13
Hydrometer
1.5 FUNCTIONAL
DIAGRAM
Fig. 2/a
0
3000
2000
1000
Portata (l/h)
Per
d
it
e di car
ico
(mbar)
10
4000
R
ONDO’ - ESTELLE OF
5000
6000
15
20
25
5
RONDO’ - ESTELLE 3 OF
RONDO’ - ESTELLE 4 OF
RONDO’ - ESTELLE 5 OF
RONDO’ - ESTELLE 6 OF
RONDO’ - ESTELLE 7 OF
1.4
LOSS OF HEAD
Fig. 2
Loss of head (mbar)
Flow (l/h)