External 0-10 Volt Signal Connection - Viessmann Vitodens 200-W, Series B2HA 40 Installation Instructions Manual

Control Connections

External 0-10 Volt Signal Connection

Extension Module EA1
50
Vitodens 200-W B2HA 45, 60 Installation
1. Connect the external 0-10V signal to plug 0-10V
located in the extension module EA1.
2. Ensure correct polarity.
3. See chart for maximum possible boiler water
temperature and required signal.
Example: Voltage to temperature setpoint
8VDC = 176º F (80º C)