20045713
21
GB
Electrical system
7.2
Operating programme
Fig. 17
~
12s
~
12s
~
5s
D5229
Normal operation
Lock-out due to failure to light
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp
WARNING
Every 2000 working hours, verify the wear of the
brushes and the motor manifold.