Designs; Internal Connection Diagram - Viessmann VITODENS 242-F Installation And Service Instructions Manual
3.2 to 26 kw gas condensing/solar storage combi boiler gas council no. 41-819-18; 41-819-19 natural gas and lpg version
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Also See for VITODENS 242-F:
- Installation and service instructions manual (152 pages) ,
- Technical manual (112 pages) ,
- Installation and service instructions for contractors (144 pages)
Table of Contents
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Designs
Internal connection diagram
A1
Main PCB
X...
Electrical interfaces
§
Boiler water temperature sensor
$
Outlet temperature sensor
aA
Ionisation electrode
aG
Flue gas temperature sensor
170
dÖ
Stepper motor for diverter valve
fJ
Thermal circuit breaker
gF
Ignition unit
a-Ö
Fan motor
a-ÖA Fan motor control
a:Ö
Modulation coil
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