Viessmann Vitocrossal 300 CU3A 26 Installation Instructions Manual page 33
Floor mounted, gas-fired condensing boiler with matrix gas burner and lambda pro control
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Also See for Vitocrossal 300 CU3A 26:
- Technical data manual (33 pages) ,
- Service instructions manual (116 pages) ,
- Operating instructions manual (44 pages)
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Vitocrossal 300 CU3A 26 to 199 Installation
Connections
(continued)
Extension Module EA1
Connecting to 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
33
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