2. 1 2.3 Murelle EV 20 - 25 BFT (fig. 13/b)
TA2 (24 VRAC)
TA1 (24 VRAC)
SB (5 VDC)
SE (5 VDC)
TS (24 VRAC)
PF (24 VRAC)
SM (5 VDC)
KEY
F1-2
TRA
Pl
V
EAR
EV1-2 Gas valve coil
TS
PF
M
SM
VD
TPA
TA 1
TA 2
SB
CR
SE
OP
Fuse (4 AT)
Ignition transformer
System pump
Fan
Ignition/detection electrode
Safety thermostat
Fumes thermostat
Modulator
Heating sensor
Deviator valve
Pressure transducer
Zone 1 environment thermostat
Zone 2 environment thermostat
D.H.W. tank sensor
Remote control CR 73 (optional)
External sensor (optional)
Programming clock (optional)
EXP (24 VRAC)
OP (24 VAC)
Cod. 6301407D
M (17 VDC)
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
code 6316288
CN3
code 6299993
CN5
code 6316200
CN6
code 6316202
CN9
code 6316295
CN12
code 6299991
CN13/15 code 6316279 ("20 BFT")
CN13/15 code 6316272 ("25 BFT")
TPA (5 VDC)
Fig. 13/b
ES
PT
ENG
99