28 | Installation instructions
Fig. 45 Power cable connections
7.3 Position of the fuses in control unit
To check fuses, proceed as follows;
B Remove the front cover, see Fig. 23 .
B Remove the three screws from the control unit (Fig. 46 e
Fig. 47 , pos. 1).
B Remove the six screws from the back cover of the control
unit, see Fig. 47 , pos. 2.
6 720 680 174 (2012/09)
B Check the fuses in the printed circuit board, see Fig. 47 ,
Fig. 47 Fuses position
B After checking the fuses, reinstall all parts in reverse order
(Fig. 47 , pos. 3).
8.1 Factory regulations
Heaters designed for Natural gas
delivery after the values on the characteristics panel have been
Butane heaters (G30) are factor y sealed for delivery after the
values on the characteristics panel have been checked.
Sealed parts must not be interfered with.
H (G 20) are factory sealed for
Heaters should not be ignited when the
connections pressure is less than 1,5 kPa
more than 2,5 kPa.
Therm 8000 S