ES
"25-30-35 BF" models
PT
GB
"20-25 BFT" models
90
KEY
F1-2
Fuse (4 AT)
TRA
Ignition transformer
PI
System pump
V
Fan
EAR
Ignition/detection electrode
EV1-2 Gas valve coil
TS
Safety thermostat
PF
Fumes thermostat
VP
Pressure switch valve
M
Modulator
SM
Heating sensor
FL
Water flow meter
SS
D.H.W. sensor
VD
Deviator valve
TPA
Pressure transducer
TA 1
Zone 1 environment thermostat
TA 2
Zone 2 environment thermostat
ST
Solar heat sensor
CR
Remote control CR 73 (optional)
SE
External sensor (optional)
OP
Programming clock (optional)
EXP
Expansion card
VZ
Zone valve
AUX
Auxiliary connection
NOTE: Connect TA1 to the clamps 7-8
after having removed the bridge.
CONNECTOR SPARE PART CODES:
CN2
cod. 6299992
CN3
cod. 6299993
CN4
cod. 6316203
CN5
cod. 6316200
CN6
cod. 6316202
CN7
cod. 6316204
CN10
cod. 6316227
CN11
cod. 6316226
CN12
cod. 6299991
CN13
cod. 6299990
KEY
F1-2
Fuse (4 AT)
TRA
Ignition transformer
Pl
System pump
V
Fan
EAR
Ignition/detection electrode
EV1-2 Gas valve coil
TS
Safety thermostat
PF
Fumes thermostat
VP
Pressure switch valve
M
Modulator
SM
Heating sensor
FL
Water flow meter
VD
Deviator valve
TPA
Pressure transducer
TA 1
Zone 1 environment thermostat
TA 2
Zone 2 environment thermostat
SB
D.H.W. tank sensor
CR
Remote control CR 73 (optional)
SE
External sensor (optional)
OP
Programming clock (optional)
EXP
Expansion card
PR/AR Recirculation pump control
or remote alarm
VZ
Zone valve
AUX
Auxiliary connection
NOTE: Connect TA1 to the clamps 7-8
after having removed the bridge.
CONNECTOR SPARE PART CODES:
CN2
cod. 6299999
CN3
cod. 6299993
CN4
cod. 6316203
CN5
cod. 6316200
CN6
cod. 6316202
CN7
cod. 6316204
CN9
cod. 6316201
CN10
cod. 6316227
CN11
cod. 6316226
CN12
cod. 6299991
Fig. 13/a
CN13
cod. 6299990