Vaillant sensoCOMFORT VRC 720/3 Manual De Uso E Instalación página 92

4.9.3 Basic system diagram 0020178440
4.9.3.1 Setting on the system control
Basic system diagram code: 1
FM3 configuration: 1
FM3 MO: Circulation pump
Circuit 1 / Circuit type: Heating
Circuit 2 / Circuit type: Heating
Zone 1/ Zone activated: Yes
Zone 2/ Zone activated: Yes
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Operating and installation instructions 0020287900_03