TECH STEROWNIKI Thermostatic Valve Controller (8 Zones) RS485 with WiFi L-12

The TECH STEROWNIKI L-12 is a professional 8-zone thermostatic valve controller designed for precise temperature management in heating systems. It communicates via RS485 and WiFi, enabling seamless integration with smart home systems and remote control via the TECH eModul mobile app. This controller is ideal for managing up to eight heating zones, each with its own wired NTC temperature sensor, and includes outputs for a pump and boiler.

Advantages

• Control up to 8 independent heating zones with individual temperature sensors.
• Dual communication: RS485 for wired integration and WiFi for wireless remote access.
• Compatible with TECH eModul app for Android and iOS, allowing programming and monitoring from anywhere.
• Selectable control algorithm (hysteresis or PID) for optimal comfort and energy savings.
• Weekly programming, holiday mode, and frost protection for enhanced convenience and safety.
• DIN rail or wall-mountable for flexible installation.

Suitable for

• Residential and commercial heating systems with multiple zones.
• Underfloor heating, radiator systems, and other hydronic heating setups.
• Integration with smart home systems via RS485 or WiFi.

Key specifications

• Number of Controlled Zones: 8
• Actuator Outputs: 8 (230V AC, 0.5A max per output)
• Pump Output: 1 (230V AC, 2A max)
• Boiler Output: 1 (potential-free contact)
• Temperature Sensor Inputs: 8 (wired NTC)
• Communication: RS485, WiFi
• Power Supply: 230V AC, 50Hz
• Mounting: DIN rail or wall-mounted
• Protection Class: IP20
• Operating Temperature: 5°C to 50°C

Recommendations

For optimal performance, pair the L-12 with TECH thermostatic actuators and room thermostats. Ensure proper wiring and configuration via the TECH eModul app. Professional installation is recommended.