ECO 15/2
ECO 20/2
13
Key
1 Automatic control unit
2 3A fuse
3 Main switch
4 Lock-out warning light
5 Burner motor
6 Mains connection plug and auxiliary devices
7 Photo-resistor
8 Room thermostat
9 Boiler thermostat
10 Ignition transformer
11 1st stage solenoid valve
12 2nd stage solenoid valve
13 Air aperture servomotor
17 Self-adjusting thermostat
15 Auxiliary terminal block
16 Filter
1
1°
11
12
2°
M
L1
L1
N
N
T1
T1
T2
T2
S3
S3
5
6
4
16
LMO 24
7
10
15
L1
L1
14
N
N
230 V
50 Hz
8
9
2
3
UK
37