Checking The Rotary Damper Setting - Viessmann VITOCROSSAL 200 Service Instructions Manual

Type ct2, gas fired condensing boiler with matrix cylinder burner for natural gas e and ll
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Commissioning, inspection, maintenance
Further details regarding the individual steps

Checking the rotary damper setting

1. Open the gas shut-off valve.
2. Check the position of the rotary
damper in burner idle mode. The
rotary damper windows B must be
completely open and the graduated
collar D on the air choke motor
must be set to "0", relative to mark
C.
26
(cont.)
3. Check whether the compensation
cable A has been connected
between the gas train and distribu-
tor pipe.
4. Start the burner.

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