30
UK
VE
FR
PR
Tm
LS
N
PB
SC
TC-TA
B4
T2 T1
L1
S3
N
CO
H
Z
N
N
L
IG
F
TS
M
MB
FA
TR
1
2
2
2
3
4
5
6
7
8
9 10 11 12
MA
COMPACT ECO 3R - COMPACT ECO 6R
Key
CO
Hour-meter
F
Fuse
FA
Anti-interference filter
FR
Photoresistance
IG
Main switch
LS
Safety lamp
MA
Control box
MB
Burner motor
PB
Burner connector
PR
Preheater
SC
Plug
TA-TC
Boiler environment thermostat
TR
Ignition transformer
TS
Safety thermostat
Tm
Min. pr thermostat
VE
Electromagnetic valve