Viessmann MatriX Service Instructions Manual page 15

Further details regarding the individual steps
A
B
C
D
E
F
Initial start−up, inspection and maintenance
Lower output
7. Press " " (D), until the service
display shows "00" (lower
output).
8. Check the CO
flue pipe.
For permissible CO
see the table on page 14.
9. If the CO
altered,
H remove the cover B and
H turn the adjusting screw A in
small steps (torque 40) until the
CO content reaches the
2
stipulated range.
turn clockwise
³ CO
turn anti−clockwise
³ CO
10. Record the test value in the
service report (on page 49).
11. Check the measurements again.
For this, use the gas burner
control unit to approach the
higher output (see step 4) and
the lower output (see step 7).
If the values do not match the
permissible CO
according to the table on
page 14, repeat the steps 6 or 9.
12. Press "S" (E) and " " (D).
The burner is now in operating
mode.
(cont.)
content at the
2
content,
2
content must be
2
content rises,
2
content falls.
2
contents
2
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