76
2.12
BOILER ELECTRICAL “12-20 T”
SF (3,3 VDC)
PA (24 VDC)
TA
(24 VDC)
SE (3,3 VDC)
SB
(3,3 VDC)
SM
(3,3 VDC)
SL (24 VDC)
TS (3,3 VDC)
EXP
(24 VDC)
Fig. 12
KEY
F
Fuse (1.6 AT)
TRA
Ignition transformer
PI
System pump
V
Fan
EA
Ignition electrode
EV1-2
Gas valve coil
VD
Deviator valve
SL
Level condenses sensor
SM
Heating sensor
SB
D.H.W. sensor
TS
Safety thermostat
SF Fumes
sensor
PA
Water pressure valve
TA
Environment thermostat
SE
External sensor (optional)
EXP
Expansion card remote control (optional)
NOTE: Connect TA to the clamps 5-6 after having
removed the bridge.
CONNECTOR SPARE PART CODES:
CN3
code 6316268
CN4
code 6316275
CN5
code 6316253
CN6
code 6316266
CN7
code 6316269
Summary of Contents for FORMAT DGT HE 12
Page 31: ......