Description of functioning
technical
60
Electrical Circuit diagrams: FEB-24ED
1.- Mains connection (230v ac)
2.- Earth
3- Fan
(230v ac)
4.- Pump
(230v ac)
5.- Ignition
(230v ac)
6.-
Gas valve solenoid 1 (230v ac)
7.-
Gas valve solenoid 2 (230v ac)
8.- Front panel control
9.- 3 way valve
micro switch
10.- Air pressure switch
11.- Room stat (optional)
12.- Clock connection
13.- Modulating solenoid valve
14.-
Ionisation electrode
15.- High limit stat
16.-
DHW thermistor
17.- Central Heating thermistor
18.-
CH low Pressure switch
19.- External Probe
20.- Clock
(230 v ac)