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Connection Diagram, Solar Control Module - Viessmann FB2B Installation And Service Instructions Manual

4.8 to 26 kw gas condensing/solar storage combi boiler natural gas and lpg version gas council no.: 47-819-18 19 kw 47-819-19 26 kw
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Designs

Connection diagram, solar control module

A
B
A1
Main PCB
TW Temperature limiter
X... Electrical interfaces
A
KM BUS from the control unit
B
Power supply from the control unit
148
%
Cylinder temperature sensor
&
Collector temperature sensor
sF
Solar circuit pump
fÖ
Power supply
aVG KM BUS

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Vitodens 242-f

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