16
KEY
L
Line
N
Neutral
IG
Main switch
TA
Room stat
SM
Heating flow sensor (blue)
F1
Fuse (T1,6A)
F2
Fuse (F50 mA)
A
FM 11 programmer
EA
Ignition electrode (orange)
ER
Sensing electrode (white)
EV1 Gas valve coil
EV2 Gas valve coil
TS
100°C safety stat
R
Equipment lock out reset button
TL
85°C limit stat
M
Modulator
P
Circulation pump
TF
Smoke stat
PA
Water pressure switch
LS
Insuff. water pressure warning lamp
FA
EMC filter
KEY
L
Line
N
Neutral
IG
Main switch
E/I
Summer/ Winter switch
TA
Room stat
SS
D.H.W. sensor (red)
SM
Heating flow sensor (blue)
F1
Fuse (T1,6A)
F2
Fuse (F50 mA)
VG
Gas valve
TS
100°C safety stat
TI
Interrupted thermocouple
TL
85°C limit stat
M
Modulator
VP
Pressure switch valve
P
Circulation pump
TF
Smoke stat
PA
Water pressure switch
LS
Insuff. water pressure warning lamp
NOTE: The room stat must be connected to the terminals 40-41 of the
three-pole terminal strip after removing the link.
NOTE: The room stat must be connected to the terminals 40-41 of the
three-pole terminal strip after removing the link.
2.12.2 “MURELLE 20R CE IONO” wiring diagram
2.12.3 “MURELLE 20 CE” wiring diagram
Fig. 19
Fig. 20
