80
KEY
F1
Fuse (1.6 AT)
TR
Transformer 230/24V
PI
C.H. pump
EV1-2 Gas valve coil
V
Fan
PF
Smoke pressure switch
VP
Divertor valve
M
Modulator
C
Rotay switch
SM
C.H. sensor
SS
D.H.W. probe
TA
Room stat
EAR
Ignition/detection electrode
TRA
Ignition transformer
TS
100°C safety stat
PA
Water pressure switch
FL
Flowmeter
TF
Smokes stat
OP
Time programmer
Nota: The room stat or the chronother-
mostat must be connected to terminals
10-11 of the “TA” connector after having
removed the bridge.
Fig. 13
2.10.3 Wiring diagram
“25 BF - 30 BF” model
“25 OF” model