Connection And Wiring Dia-Connection And Wiring Diagram - Internal Connections - Viessmann Vitodens 222-F Installation And Service Instructions Manual
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Also See for Vitodens 222-F:
- Installation and service instructions manual (172 pages) ,
- Installation and service instructions for contractors (156 pages) ,
- Technical manual (156 pages)
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Connection and wiring diagram
Connection and wiring diagram
Fig. 79
A1
Main PCB
X...
Electrical interfaces
Boiler water temperature sensor
§
$
Outlet temperature sensor
Ionisation electrode
aA
Flue gas temperature sensor
aG
116
internal connections
–
Stepper motor for diverter valve
dÖ
Temperature limiter
fJ
Ignition unit
gF
Fan motor
a-Ö
A Fan motor control
a-Ö
Gas solenoid valve
dG
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