20
60T - 280T
COSMOGAS
4 - OPERATION
Figure 4-3 - Hydraulic operating diagram for models 210T
Figure 4-3 Key:
1 - Air intake
2 - Exhaust gases outlet
3 - Air vent valve
4 - Sealed chamber
6 - Water outlet temperature safety thermostat
7 - Water outlet temperature sensor
8 - Water pressure gauge
9 - Exhaust gases temperature sensor
10 - Exhaust gases temperature safety fuse
12 - Pre-mixed burner
13 - Ignition electrodes
14 - Sparks generator
15 - Water inlet temperature sensor
16 - Fan
17 - Back flue preventer valve
20 - Gas valve
22 - Detection electrode
23 - Inlet and outlet manifold
24 - VRC heat exchanger
25 - Water outlet
26 - Water inlet
27 - Gas inlet
28 - Pressure switch against outlet blockage
29 - Condensate level sensor
30 - Condensate outlet
31 - Condensate outlet siphon
33 - Manifold outlet temperature sensor
36 - Condensate neutraliser
47 - Water flow rate gauge
48 - 2-way motorised valve (on request)
50 - Drain valves
51 - Primary heat exchanger temperature fuse
