Instruction manual

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Figure 29 - Three or more heaters installation with connection
for indirect water heater
1 Cosmogas combi 2- 3 Heating drain cocks 4 Ball valves 5 Gas cocks 6 Back-flow preventer 7 Supplementary expansione tank 8 Manometer
9 Gas supply
10 Cold water inlet
11 Supply and return for central heating
12 Supply and return for eventual indirect water heater
P1 Pump for central heating P2 Pump for indirect water heater VIC General automatic gas valve
3 - INSTALLATION