Standard configuration – Digital module with address 1
Input
Designation
1
TX 250
Boiler loading pump motor protection switch
TI 350
Grate motor protection switch
2
TX 250
Combustion air fan motor protection switch
TI 350
Pump slide-on duct cooling fault
3
TX 250
Induced draught fan motor protection switch
TI 350
Combustion chamber ash container limit switch
4
TX 250
Automatic/manual induced draught fan selector switch
TI 350
Ash container heat exchanger limit switch
5
TX 250
Feed screw motor protection switch
TI 350
Ash screw heat exchanger motor protection switch
T4e
Tilt motor 3 open
6
TX 250
Frequency converter induced draught fan fault
TI 350
Frequency converter induced draught fan operating signal
T4e
Tilt motor 3 closed
7
TX 250
Feed screw overcurrent
TI 350
Ash screw combustion chamber motor protection switch
T4 / T4e
Tilt motor 2 open
8
TX 250
Klixon induced draught fan
TI 350
Induced draught fan thermal contact
T4 / T4e
Tilt motor 2 closed
Output
Designation
1
TX 250
Induced draught fan release
TI 350
Frequency converter induced draught fan activation
T4 / T4e
Open tilt motor 2
2
TX 250
Feed screw forward
TI 350
Frequency converter induced draught fan release
T4 / T4e
Close tilt motor 2
3
TX 250
Feed screw backwards
TI 350
Heat exchanger ash screw
T4e
Open tilt motor 3
4
TX 250
Discharge screw forward
TI 350
Ash screw combustion chamber forward
T4e
Close tilt motor 3
5
TX 250
Discharge screw back
TI 350
Ash screw combustion chamber back
T4e
Primary air flap open
6
TX 250
Activate combustion air fan
TI 350
Worm-drive grate motor
2
Power connection and wiring
Expansion modules
28
Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com