Checking The Active Charcoal Filter (Accessories); Matching The Control Unit To The Heating System - Viessmann VITOLADENS 300-C Service Instructions Manual

Further details regarding the individual steps
Replace the granulate if the pH value < 6.5.
Note
Part no. for pH test strips: 9517 678.
Please observe neutralising system manufacturer's instructions.

Checking the active charcoal filter (accessories)

Note
Please observe active charcoal filter manufacturer's instructions.

Matching the control unit to the heating system

Note
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 38.
Commissioning, inspection, maintenance
(cont.)
27