Viessmann Vitocrossal 100 Installation Instructions For Contractors page 12

Gas condensing boiler with matrix cylinder burner open flue and room sealed operation

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Mounting the burner

M10x30

Fig. 8

Burners 120 - 318 kW

Gas connection

Ventilation air connection

Venturi extension for burners from 200 kW for

open flue operation (in separate box)

Please note

Mechanical damage to delicate components will

impair the burner function.

Exercise great care when inserting the burner

into the combustion chamber. The burner gauze

assembly, electrodes and insulation block must

not be damaged.

Insert the burner. Secure screws by hand. Tighten the

screws diagonally with a torque of 10 Nm.

(cont.)

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