Commissioning And Adjustment; Front Panel - Viessmann VITOCROSSAL 200 Installation Instructions Manual

Gas connection
(cont.)
5. Carry out a tightness test.
!
Please note
Excessive test pressure will damage the
burner and gas train.
Max. test pressure 150 mbar/15 kPa. If a
higher pressure is required for tightness
tests, disconnect the burner and gas train
from the main supply pipe (undo the fitting).

Commissioning and adjustment

Service instructions for boiler and boiler control
unit

Front panel

4.
Fig. 26
1. Screw 2 x location studs
2. Insert 2 x connection pins
32
5.
3. 2x
into the front panel.
3
2 .
6. Purge the gas line to the outside.
Danger
Escaping gas can lead to explosions which
may result in serious injury.
Never purge the gas line through the boiler
combustion chamber.
1. 2x
2. 2x
3. Hook in the front panel at the bottom and pivot up,
ensuring that the hole at the top is still accessible.