Viessmann VITOTRONIC 300 Installation And Service Instructions Manual page 131

Weather-compensated digital boiler and heating circuit control
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Settings and equipment
Function in as delivered condition
Mixer circuit M2
Mixer circuit M3
Frost protection
Switching hysteresis
Modified function
j
j
j
j
j
j
º
j
j
j
j
j
j
j ERB50 function
j ERB80 function
º
º
º
133

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