Technical data

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Vitotronic 300, GW5B & MW1B Installation and Service
Connecting Sensors
Legend
Main PCB low voltage
aJA Return temperature sensor T1 (optional accessory)
aJB Return temperature sensor T2 (optional accessory)
Installation, Vitotronic 300, GW5B
120V pumps with an amperage draw of <2FLA
A Din rail
B Pump
120V External Connection
Inserting the LON Communication Module
Making the LON connection, see page 37.