HARVIA PRO D3I

HARVIA PRO-D3i — CONTROL UNIT FOR ELECTRIC SAUNA HEATER

The PRO D family from sentiotec/Harvia impresses with its modern and timeless design, offering ultimate flexibility. The PRO-D3i control unit can be installed either outside or directly inside the sauna. This allows you to adjust all settings—temperature, humidity, and lighting—directly from the sauna bench, providing a seamless and relaxing experience without the need to leave the heat.

Product Features

• 2-part sauna control unit: power supply unit and sleek control panel
• Control panel installation possible both inside and outside the sauna
• Supports Combi heaters with evaporator functions
• Digital and precise-to-the-minute time and temperature presets
• Patented technology and energy-efficient electronics
• System expandable up to 4 operating units
• Remote start via potential-free contact

Advantages

• Unmatched comfort: adjust everything while sitting on the bench
• Versatile control of the electric sauna heater, evaporator, and infrared radiators
• Safety focused: connection for safety devices and door monitoring
• Personalized experience with individual user profiles
• Eco mode for optimized energy consumption
• Digital humidity indicator (with optional sensor)

Technical Specifications

• Maximum switching load for heating system: 10,5 kW
• Maximum evaporator performance: 3,5 kW
• Additional output: up to 3,5 kW (e.g., for infrared heaters)
• Heating time limit: 6, 12, 18, 24 h (adjustable for commercial use)
• Light and fan control: switchable and dimmable (max. 100 W)
• Protection class: IPX4
• Power supply: 400 V 3N~

Application

Perfect for premium residential saunas and commercial wellness centers. It is the ideal solution for controlling an electric sauna heater combined with an evaporator and additional infrared panels.

Result

Full, intuitive control over your sauna environment. You achieve a high-end, aesthetic setup that enhances the functionality and value of your sauna project.

Ideal for you

• If you want to install the control panel inside the sauna cabin
• If you operate a Combi electric sauna heater
• If you require smart home integration (via optional BUS converter)
• For high-end designs where comfort and minimalism are priorities