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4.5 - PRACTICAL CONNECTION wIRING DIAGRAM
KEY
A1.....A9
Services connectors
SUP. E8
E8 supply (*)
E. ACC. 1-2 Ignition electrode 1-2
E. RIL.
Detection electrode
HSCP
Heating controller
M1
Boiler Power Supply Terminal Board
MVD
Diverter valve motor
P
Pump
SM
Flow sensor
M2
Safety Terminal Board
PF
Flue gas pressure switch
PF min
Smoke pressure minimum pressure switch
(*)
PG min
Gas minimum pressure switch
PG max
Gas maximum pressure switch
SL
Condensate level sensor
SM
Flow Sensor
T. ACC 1-2
Ignition Transformation 1-2
TL
Limit thermostat
VG
Gas valve
VM (A)
Modulating Fan Power Supply
VM (R)
Modulating Fan Det./Adjustment
SE
External probe connection terminals
U-FLY
Heating Controller Touch (*)