3
1
60T - 280T
COSMOGAS
1 Boiler 60T
-280T
series appliance
2 INAIL
safety valve
3 INAIL
manometer
4 INAIL
thermometer
5 INAIL
safety maximum pressure switch
6 INAIL
safety thermostat
7 Gas cock 8 INAIL
gas shut-of
f valve
9 INAIL
well
10 Gas inlet 11 Expansion tank 12 Micro-bubble separator 13 External probe 14 Filter 15 Electrical power supply 16 ---------- 17
Air bleed valve
18 Domestic cold water 19 Heating circuit pump 20 - Hydraulic separator 21 Shut-of
f valve
22 Check valve 23 Heating system supply
Figure 10-2 - Example of boiler connection diagram with hydraulic separator and storage tank
24 Heating system return 25 Plug for sludge drain 26 Heating system mixing valve 27 System drain 28 Storage tank loading pump 29 System loading unit 30 Storage tank safety valve 31 Hot water tank temperature sensor 32 Domestic circuit expansion tank 33 Domestic hot water supply 34 INAIL
safety minimum pressure switch
36 Main circuit pump 37 Room thermostat or equivalent system 56
B
al
an
ci
ng
v
al
ve
(
ne
ce
ss
ar
y
if
th
er
e
is
a
m
ot
or
is
ed
v
al
ve
,
pa
rt
“17”
in
Figure
3-1,
on
the
appliance
and
the
pump,
“36”,
is
NOT
the
modulating type) 57 Drain cock (Mandatory in the 60, 70, 100, 1
15, 140 models )
58 Manifold sensor
10 - INSTALLATION - Hydraulic connections - boiler