IT
ES
3. 1
ELECTRONIC BOARD
PT
GB
78
CN6
CN1
CN7
KEY
F
Fuse (1.6 AT)
PF
Smoke pressure switch
EV1 Gas valve coil
EV2 Gas valve coil
EAR Ignition/detection electrode
TS
100°C safety stat
V
Fan
PI
C.H. pump
TA
Room stat
SM C.H. sensor
M
Modulator
FL
Flowmeter
Time programmer
OP
(optional)
CN2
TF
Smoke stat
VP
Divertor valve
TRA Ignition transformer
SLC Condensate level safety
MT
Terminal block
R1
220 KΩ resistance
Nota: The room stat or the chronothermostat (TA)
must be connected to terminals 15-16 of the
"CN1" connector after having removed the bridge.
CONNECTOR SPARE PART CODES:
CN2
cod. 6299909
CN6
cod. 6299923
CN7
cod. 6299924
Fig. 15