Instruction manual

A INSTALLATION INSTRUCTIONS

Figure 23 - Two (BMS or BTS model) heaters installation with domestic hot water

recirculating system

1 Cosmogas combi

2 Heating drain cock

3 Sanitary drain cock

4 Gas cock

5 Safety relief valve

6 By-pass valve

7 Domestic relief valve

8 Radiator

9 Automatic feed

10 Back-flow preventer

11 Gas inlet

12 Mixing valve

13 Cold water inlet

14 Recirculating pump

15 Recirculating thermostat or timer

16 Recirculating return line

17 Hot water outlet

18 Cold water outlet