Viessmann Vitorondens 200-T Series User Manual

Kerosene Conversion Instructions for
Vitorondens 200-T 33kW, 40kW and 50kW
n Isolate power supply and oil supply lines.
n Set the burner into the servicing position as per boiler service
manual.
n Clean strainer, filter, fuel lines, and tank and remove water.
n If the appliance is 40kW or 50kW Remove burner flame tube.
n Loosen the 3 nuts securing the burner to the boiler door and
carefully withdraw the burner from the boiler.

Viessmann Vitorondens 200-T Series Specifications

General

Model	Vitorondens 200-T Series
Category	Boiler
Efficiency	Up to 98%
Control System	Vitotronic control unit
Boiler Type	Condensing
Operating Pressure	3 bar (Maximum)

Summary

Burner Disassembly and Preparation

Isolate Power and Fuel Lines

Ensure electrical and oil supply lines are disconnected before commencing work.

Position Burner for Servicing

Set the burner into the servicing position as per the boiler service manual.

Clean Fuel System Components

Clean strainer, filter, fuel lines, and tank, and remove any water present.

Remove Burner Flame Tube (40/50kW)

For 40kW or 50kW appliances, detach the burner flame tube.

Withdraw Burner from Boiler

Loosen the three nuts securing the burner to the boiler door and carefully withdraw the burner.

Mixing Assembly and Nozzle Replacement

Remove Mixing Assembly Cover

Remove the 3 socket head bolts securing the mixing assembly cover and slide it off.

Replace Burner Nozzle

Remove the existing nozzle and install the kerosene nozzle from the conversion kit.

Electrical Connections and Cable Management

Modify Pre-heater Electrical Connection

Disconnect the oil pre-heater plug and connect the supplied link wire between brown and black wires.

Secure Supply Cable with Cable Tie

Fasten a cable tie around the electrical supply cable, 3mm from the outer insulation end.

Route and Secure Pre-heater Cable

Pull the pre-heater cable until the tie is against the grommet, then secure with a second tie on the opposite side.

Final Steps and Commissioning

Reassemble and Reinstall Burner

Reassemble and reinstall the burner into the appliance following the reverse order of disassembly.

Check Electrode Position and Gap

Verify the electrode position and ensure the correct electrode spark gap is set.

Recommission Burner

Recommission the burner using new pump pressures, chamber pressure, and air settings from the table.