Checking The Static And The Supply Pressure - Viessmann VITOCROSSAL 200 Service Instructions Manual

Further details regarding the individual steps
7. Release the gas train from flange
E.
8. Remove restrictor C with rubber
cork gasket D.
9. Secure the gas train (without
restrictor C and without rubber
cork gasket D, but including O-
ring B) at flange E; replace the
factory-fitted screws M 5 × 16 with
M 5 × 12 (in the pack).
10. Secure and tighten fitting A.
11. Push compensation hose G onto
the gas train.

Checking the static and the supply pressure

Static pressure
Commissioning, inspection, maintenance
(cont.)
12. Affix enclosed label "Adjusted to
..." F above the existing label.
13. Start the burner (see page 8).
Danger
Escaping gas leads to a risk of
explosion.
Check all fittings for gas-tight-
ness.
!
Please note
The use of leak detection spray
can result in incorrect func-
tions.
Leak detection spray must not
come into contact with electri-
cal contacts.
1. Close the gas shut-off valve.
2. Undo the screw inside test connec-
tor A, but do not remove.
3. Connect the pressure tester at test
connector A.
4. Open the gas shut-off valve.
5. Check the static pressure (max.
60 mbar).
6. Record the actual value in the
report (on page 61).
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