Wiring Diagram - Ferroli OPTIMAX HE PLUS 18 S Instructions For Use, Installation And Maintenance

OPTIMAX HE PLUS 18 S

4.6 Wiring diagram

Key
16 Fan
32 Central heating pump
44 Combination gas valve
62 Time clock (optional)
81 Spark Electrode
82 Ionisation electrode
101 Main p.c.b.
103 Relay
104 Fuse F 3.15 amp
114 Water pressure switch
186 Return temperature sensor
191 Exhaust temperature sensor
202 Transformer 230V-24V
203 Supply lead
278 Double sensor (Safety + Heating)
Cod. 3540L826 - 04/2009 (Rev. 00)
fig. 30
35