Important Information On Commissioning - Viessmann Vitoradial 300-T Installation Instructions Manual

Important information on commissioning

Service instructions for boiler, burner and boiler control unit
Note on coding settings
for control units on the
Vitoradial 300-T, type VR3:
If connecting the circulation pump to the
condensing heat exchanger, change
code 4C to 4C:3.
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