Inserting The Lon Communication Module; Connecting Sensors; External Connection - Viessmann VITOTRONIC 300 Installation And Service Instructions Manual
Type gw5b & mw1b, digital boiler control unit & weather-compensated digital cascade control unit
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Also See for VITOTRONIC 300:
- Installation and service instructions manual (164 pages) ,
- Operating instructions manual (73 pages) ,
- Technical data manual (8 pages)
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Vitotronic 300, GW5B & MW1B Installation and Service
Inserting the LON Communication Module
Connecting Sensors
Legend
Main PCB low voltage
aJA Return temperature sensor T1 (optional accessory)
aJB Return temperature sensor T2 (optional accessory)
120V External Connection
Installation, Vitotronic 300, GW5B
Making the LON connection, see page 37.
120V pumps with an amperage draw of <2FLA
A Din rail
B Pump
19
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