25
1.
Automatic by-pass
2.
Modulation gas valve
3.
Burner
4.
Flow temperature twin sensor
5.
Ignition/detection electrode
6.
Mono-thermal exchanger
7.
Flue gas thermostat
8.
Expansion tank
9.
3-bar safety valve
10.
Air purging device
11. Pressure transducer
12.
Manual 3-speed circulation pump
G
Gas inlet
M
CH flow
AF
Cold water inlet
R
CH return
fig. 9
M
AF R
8
7
6
5
4
3
2
1
10
11
12
Model RTN
fig. 10
M
R
Schema idraulico T
G
8
7
6
5
4
3
2
1
10
11
12
13
14
16
17
15
1
2
v
a
lv
o
l
a
gas
mod
ul
ante
3
doppio
sensore
di
temperat
u
ra
di
mandata
4
5
v
enti
l
atore
d
’
estrazione
f
u
mi
6
7
scambiatore
monotermico
8
9
1
0
11
condotto
d
’
aspirazione
aria
e
scarico
f
u
mi
1
2
1
3
14
16
e
l
ettrodo
di
accensione
e
ri
l
e
v
azione
1
7
v
aso
d
’
espansione
presa
di
pressione
circ
u
ito
f
u
mi
disareatore
circo
l
atore
3
v
e
l
ocità
man
u
a
l
i
pressostati
di
minima
pressostato
di
sic
u
rezza
circ
u
ito
f
u
mi
by
-
pass
a
u
tomatico
M
mandata
risca
l
damento
G
gas
AF
acq
u
a
fredda
(
da
acq
u
edotto)
R
ritorno
risca
l
damento
v
a
lv
o
l
a
di
sic
u
rezza
3
bar
1
5
br
u
ciatore
camera
di
comb
u
stione
stagna
presa
di
pressione
circ
u
ito
f
u
mi
AF
Model RTFS
1.
Automatic by-pass
2.
Modulation gas valve
3.
Burner
4.
Flow temperature twin sensor
5.
Ignition/detection electrode
6.
Mono-thermal exchanger
7.
Sealed combustion chamber
8.
Flue gas extractor fan
9.
Flue gas circuit safety pressure switch
10.
Pressure test point on flue gas duct
11.
Air intake and flue gas venting pipe
12.
Pressure test point on flue gas duct
13. Expansion vessel
14.
3-bar safety valve
15.
Air purging device
16. Pressure transducer
17.
Manual 3-speed circulation pump
M
CH flow
G
Gas inlet
AF
Cold water inlet
R
CH return
Summary of Contents for FORMENTERA CTFS 32
Page 60: ...60 C D E fig 40 ...
Page 67: ...67 ...
