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Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation
External 0-10 Volt Signal Connection
Extension Module EA1
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 = 176ºF (80ºC)
Control Connections
51
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