The ISM1 is a specially designed interface that integrates a solar heating system with a solar-compatible weather or load compensation unit such as the FW100 or FR110.
- All solar control via FR110 or FW100 controller
- Only one control to explain to end user
- Displays solar performance on FR110 or FW100
- End user can check solar input
- Clear colour coded plug-in connections
- Installation ease
- Solar optimisation
- Maximum benefit and efficiency from solar installation.