Last Calor TERMO-VIOLA Manuel D'installation, D'utilisation Et D'entretien page 63

Electrical components
6.4
Key:
1 - Control panel model F047
2 - Safety thermostat
3 - ON-OFF switch with fuses
4 - Electronic board
5 - Power cable
6 - Vacuum switch
7 - Fume probe
8 - Room probe
9 - Serial connection
Plumbing components
6.5
Key:
2- Membrane expansion tank
3- System drain cock
4- Safety valve
5- System filling connection
6- Heating circulating pump
7- Heating chamber - pump return
8- Pressure transducer
9- Expansion tank connection
10- Air venting valve
11- Delivery pipe
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TERMO-VIOLA