Viessmann B2HB 45 Installation Instructions Manual page 54

B2hb series vitodens 200-w wall-mounted, gas-fired condensing boiler

Table of Contents

Control Connections

Closing the External Accessory Connection Box

Vitodens 200-W B2HB 45, 57 Installation

4. Tilt the top of the external accessory connection

box cover forward.

5. Drop down over the locating pins and set the cover

in place.

6. Swing the external accessory connection box up.

7. Push the external accessory connection box in until

the holding screw is in place.

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B2hb 57