Viessmann B2TB004 - LON Module; Installing the LON Module to the Boiler Control Board; Connecting the LON Module Cable

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Vitodens 222-F, B2TB 19, 35, 68, 125 Installation
Control Connections
Installing the LON module to the boiler control board
1. Remove the control cover (see page 19).
2. Insert the LON module into the boiler control board.
3. Connect the LON connector cable to the LON module.
LON Module
Connecting the LON module cable
Boiler Control
See the Vitotronic 200-H HK1B Installation
Instructions.