EU-i-2 PLUS

Controller Equipment

• Large 4.3″ color touchscreen LCD
• DHW sensor
• External sensor
• Valve temperature sensors
• Return and boiler temperature sensors
• Housing made of high-quality materials resistant to high and low temperatures

Controller Functions

• Smooth control of two mixing valves
• Ability to manage heating device parameters via OpenTherm communication (compatible up to version 4.0)
• DHW pump control
• Return temperature protection
• Weather-based and weekly control
• Two 0–10 V outputs
• Two configurable volt-free outputs
• Two configurable voltage outputs
• Boiler cascade control (two-state signals)
• Compatible with up to three two-state room controllers
• Compatible with up to three RI-1 communication room controllers
• Compatible with an RS communication room controller
• Can be connected to an ST-505 or WIFI RS module for management via eModule
• Capability to control two additional valves using extra i-1m or i-1 modules
• Firmware can be updated via USB

Application

i-2 / i-3 PLUS controllers can be expanded to allow app-based control using the ST-505 internet module or WiFi RS. With the app, you can monitor your installation and adjust its operating parameters.

Click to explore the features of the eModule app.

OpenTherm

The i-2 PLUS controller is equipped with an OpenTherm communication interface. Through this communication, the controller can adjust the set temperature of the heating device, modify the DHW temperature, read current operating parameters, and signal alarm states.

The controller operates according to the OpenTherm+ standard, version 4.0.