Schwank Control Touch - Page 38

Revision: 3.0 Page 37 of 70
Circuit board design of IC 4000 automatic burner control unit
Gas solenoid valve Fan [tube heater] Unit control
Solenoid Main- Fan- Air pressure 2-St. Reset Err. Power
2-stage valve power monitor MOD Out supply
Ignition Ionisation MODBUS Solenoid Fan- MODBUS
monitoring modulation modulation addressing
Figure 37: [IC 4000 connections as per delivery status: Terminal resistance PIN open, GDM plug wiring: L/N/PE/Lo]
Connection
Maximum cable
cross-section
Recommended
cable cross-section
Recommended
cable type
Gas solenoid valve
factory wired
Fan
factory wired
Device control
3 x 1.5 mm²
3 x 1.5 mm²
Flexible & temperature resistant
sheathed cable 3 x 1.5 mm² [e.g.
Ölflex]
Ignition
factory wired
Ionisation monitoring
factory wired
MODBUS
3 x 1.5 mm²
3 x 0.8 mm
[shielded]
Y[St]Y 2 x 2 x 0.8