Description
Viessmann EM-S1 Solar Extension Module (7722519)
The Viessmann EM-S1 Solar Extension Module is designed to control heating systems with solar DHW heating functions.
- Control and display via the heat generator control unit
- Switching the solar circuit pump
- Solar circuit pump speed control via PWM signal
- Only use solar circuit pumps with PWM input.
- Suppression of DHW cylinder reheating by the heat generator subject to solar yield
- Collector safety shutdown
- Electronic temperature limitation in the DHW cylinder
- Switching of a transfer pump for the DHW cylinder
- Interval function
- Frost protection function
Kit Contains:
- 1 x ADIO Electronic Module
- 1 x EM-S1 Label
- 1 x 20K NTC Solar Collector Sensor
- 1 x 10K NTC Hot Water Cylinder Sensor
- 1 x PlusBus Cable
- 1 x Power Cable
- Cable Connectors (1x TS Connector, 1x PWM Connector, 1x 40A Connector, 1x P1 Connector (24), 1x P3 Connector (46))
- 4 x Cable Clamps & Screws
- 3 x Fixing Screws & Wall Plugs
- 4 x Cable Grommets
Compatible with Viessmann System Boilers
