Description
The control unit is what turns a sauna heater into an appliance you can live with: it holds the room at a set temperature, runs the pre-heat on a timer so the sauna is ready when you are, and cuts the power on its own safety limits. On every heater that does not have controls built into its own casing, this is a required part, not an upgrade.
Fenix is Harvia’s current panel — a glass touch screen that learns how your particular room heats and adjusts the pre-heat accordingly, so “ready at seven” stays true in January as well as June. Controls heater, lighting and ventilation.
The largest panel in the range — the Fenix for heaters beyond the FX30’s rating, and the one that goes into commercial rooms.
Wi-Fi is built in, so the sauna starts from a phone. On a heater that takes an hour to come up to temperature that is the difference between planning your evening around the sauna and starting it on the drive home.
Reading the model code. U1 is single phase, U3 is three phase, U1-U3 covers both. A C means Combi — the panel drives a heater with a steam generator and regulates humidity as well as temperature, independently of each other. Match the code to your heater’s wiring before ordering; a single-phase panel will not run a three-phase heater.
Supplier compatibility: Digital Control w/WiFi for Club, Spirit, Cilindro, Virta, and Virta Pro Series Sauna Heaters.
