Matching The Control Unit To The Heating System - Viessmann VITODENS 200-W WB2B Service Instructions For Contractors

Commissioning, inspection, maintenance
Further details regarding the individual steps
6. Adjust the upper output.
Constant temperature control
unit:
a press:
"2" is shown.
Weather-compensated control
unit:
a press:
"Full load" is shown.

Matching the control unit to the heating system

The control unit must be matched to the equipment level of the system. Various
system components are recognised automatically by the control unit and the
relevant codes are adjusted automatically.
For the selection of an appropriate design, see the following diagrams.
For coding steps, see page 36.
24
(cont.)
7. Check the CO content. Should the
2
actual value deviate by more than
1% from the above ranges, check
the balanced flue system for tight-
ness, see page 16.
8. After testing, press d.
9. Enter actual values into the service
report.