Pivoting Down The Control Unit For Commissioning And Maintenance Work; Checking The Gas Type - Viessmann VITODENS 333-F WS3A Service Instructions Manual

Further details regarding the individual steps
Pivoting down the control unit for commissioning and main-
tenance work
1. Undo two screws and push panel
A up and to the left.
2. Open flap B.

Checking the gas type

Note
In the delivered condition, the Vitodens 333-F is set up for natural gas E.
Commissioning, inspection, maintenance
(cont.)
3. Release side closures C and pivot
control unit D forward.
4. Release the side screws and pivot
control unit D down with its retain-
ing frame E.
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