Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 80

Commissioning, inspection, maintenance
Further details regarding the individual steps
Setting the heating output
1. If necessary, press "ESC" repeat-
edly, until the default display is
shown.
2. Press "Ð"; this activates the emis-
sions test function (see page 160).
3. Press "OK".
"Eng burner min" flashes on the dis-
play.
80
(cont.)
4. Check the CO
2
actual value deviate from the above
ranges, implement steps from page
79.
5. Record the actual value on
page 184 of the commissioning/
service report.
6. Adjust "Eng + Supp bu max" (see
page 80).
7. Check the CO
2
actual value deviate from the above
ranges, implement steps from page
79.
8. After testing, press d.
9. Record the actual value on
page 184 of the commissioning/
service report.
4. Select the individual output settings
with rotary selector "J":
■ "Eng burner min" (Stirling burner
minimum)
■ "Eng + Supp bu max" (Stirling &
auxiliary burner max)
5. Confirm with "OK".
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content. Should the