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5793 309 - 05 09/2016
for use by heating contractor
VITOTRONIC
r
100
VITOTRONIC
r
300-K
Installation and Service
Instructions
Vitotronic 100, Type GC1B
Digital boiler control unit
For use with Boiler models VD2A, VD2 and CT3
Vitotronic 300-K, Type MW1B
Weather-compensated digital cascade control unit
IMPORTANT
Certified as a component
part for Viessmann boilers
Vitotronic 300-K
Vitotronic 100
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