16
COSMOGAS
AGUAPLUS
4 - OPERATION
Figure 4-1 key:
1 - Air intake
2 - Flue exhaust
3 - Safety relief valve
4 - ----------
5 - Sealed chamber
6 - High limit temperature switch
7 - Hot water temperature sensor
8 - CRV heat exchanger
9 - Water pressure sensor
10 - Flue gas temperature sensor
11 - High limit flue gas temperature fuse
12 - Blocked flue pressure switch
13 - Ignition electrodes
14 - Pre-mixed burner
15 - Detection electrode
16 - Spark generator
17 - Water inlet temperature sensor
18 - Flapper valve
19 - Fan
20 - Gas valve
22 - Water flow meter
23 - Condensate blocked drain switch
24 - Condensate siphon
25 - Condensate neutralizer box
26 - Gas inlet
27 - Condensate drain
29 - Anode
30 - Stainless steel hot water tank
31 - Water outlet
32 - Pump
33 - Temperature sensor
34 - Cold water inlet
35 - Drain valve
36 - Primary heat exchanger temperature fuse
Figure 4-1 - Functional schematic for models 60 and 70
