AirFlow
S1
®
Transformer
Secondary fuse
Main switch
8
Description of the electrical parts
This unit is equipped with a mains socket with fuses incor-
porated. The main switch ON/OFF is placed on the back
side of the unit.
The mains voltage (high voltage of 110, 220 or 240 V AC)
is converted into 24V AC (low voltage), by an internal trans-
former, to supply all the electrical components of the unit.
Electrovalve
Mains socket
and primary fuses
Thermostat 47°C
Thermostat 60°C
Water heater