Viessmann Vitocrossal 300 CA3B Disassembly And Reassembly Instructions page 29

Vitocrossal 300, CA3B Series 2.5 to 6.0 Technical Data
Installing the Burner Assembly
(continued)
1. Install upper burner section.
2. Install the 6 nuts around the burner mounting
plate.
3. Connect wiring and install electrode block.
4. Install sensors 15A/B and 3A/B from the sensor
wells.
5. Connect plugs 145, 41, 53 and 40 on the
burner control unit.
6. Connect burner gas line with gasket to gas
connection.
Reassembly
29