Checking All Gas Connections For Tightness; Performing Final Checks; Mounting The Burner Hood - Viessmann MatriX Service Instructions For Contractors

Checking the gas train filter element
Danger
Escaping gas leads to a risk of explosion.
Check the gas train for gas tightness.
Checking the filter element in the gas line (if installed) and replacing if
necessary

Checking all gas connections for tightness

Danger
Escaping gas leads to a risk of explosion.
Always carry out the following steps.
1. Insert new gaskets in all gas fittings that have been
opened and retighten them.
2. Open the gas shut-off valve.
3. Check the inlet joints of the gas train for tightness.
!
Please note
The use of leak detection spray can result in
faulty operation.
Leak detection spray must not come into
contact with electrical contacts.

Performing final checks

1. Carry out final checks in accordance with the
points on page 18 onwards.

Mounting the burner hood

1.
Fig. 27
4. Start the burner (see page 12).
5. Check for tightness
2. Record the actual values in the report on
2.
OPN CLOSE
Commissioning, inspection, maintenance
(cont.)
■ Outlet joints of the gas train
■ Joint between the fan and the boiler flange
■ Joint between the fan and the Venturi pipe
page 47.
27