Boiler Control Base - Viessmann B2HB009 Installation Instructions Manual

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Boiler Connections
Connections
(continued)
DHW
TEMPERATURE
SENSOR
26
OUTDOOR
TEMPERATURE
SENSOR
Vitodens 200-W B2HB 19 to 35, 68 to 125 Installation

Boiler control base

Note: See wiring diagram on page 45 for connection to
the external accessory connection box.

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