Viessmann Vitorond 200 VD2 320 Service Instructions Manual page 9

Further details regarding the individual steps
Pushing turbulators into boiler and securing boiler door and
clean-out cover with screws
Please note:
Refit the gas supply pipe on gas burners.
¨ Safety instruction
Carry out a leak test on all gas supply connections.
B A
A Only for 320 to 860 kW:
Insert the respective number of turbulators into each hot gas channel of
the third flue (see page 15); in doing so, push the first turbulator element
approx. h into the hot gas channel, hook in the second and third element
and push in.
B Tighten the screws on the boiler door evenly and diagonally.
Initial start-up, inspection and maintenance
(cont.)
9