Electrical Components - Ferroli AT 18 Manual De Instalación, Uso Y Mantenimiento

6.4 Electrical components

6.5 Plumbing components
6.6 Magnesium anode boiler
Hot water tank cleaning (to be carried out every 2-3 years, depending on water aggressiveness)
• Remove the front panel of the hot water tank.
• Close the hot water tank on-off valves and open the drain cock.
• After draining, remove the inspection flange and carry out cleaning. Use specific products available on the market.
Do not use metal tools to remove the scale.
• After cleaning, refit the inspection flange and hot water tank front panel and open the on-off valves.
Magnesium anode
The degree of deterioration of the magnesium anode can be checked directly from the outside by unscrewing it from
the hot water tank flange (after turning off the domestic hot water supply and draining the hot water tank).
This check is advisable at least once a year.
• Check the magnesium anode and replace it if necessary.
If the water is very hard, above 20 degrees French, install a water softener in the system.
BIf water softeners are installed at the boiler cold water inlet, make sure not to reduce the water hardness too
much,as this could cause early deterioration of the magnesium anode in the hot water tank.
Key:
1 - Control panel model F047
2 - Safety thermostat
3 - Electronic board
4 - Vacuum switch
5 - Fume probe
6 - Heating chamber water probe
7 - Puffer-storage tank water probe
8 - Serial connection
9 - Level probe on pellet hopper
10-Puffer tank sanitary water probe
Key:
1 - Membrane expansion tank
2 - System drain cock
3 - Safety valve
4 - System filling connection
5 - Circulating pump
6 - Return pipe
7 - Pressure transducer
8 - Expansion tank connection
9 - Air venting valve
10- Delivery pipe
11- Pipe sanitary delivery
12- Pipe sanitary return
13- Three ways motor valve
54 AT 18