Designs; Connection And Wiring Diagrams - Internal Connections - Viessmann VITODENS 200-W Service Instructions Manual

Designs

Connection and wiring diagrams – internal connections
A1 Main PCB
X... Electrical interface
§ Boiler water temperature sen-
sor
134
$ Outlet temperature sensor
(gas condensing combi boiler)
aA Ionisation electrode
aG Flue gas temperature sensor
dÖ Stepper motor for diverter valve