Features
- Control of the feeder, fan, and CH/DHW pumps
- Control of 2 additional pumps (CH, boiler protection, circulation, underfloor heating, short circuit, valve)
- Control of 2 mixing valve actuators
- Weather-based control (automatic summer mode) and buffer management
- Option to connect a two-state or RS communication room thermostat
- Option to connect ST‑65 GSM, ST‑505 Ethernet, or Wi-Fi RS modules
- Ability to control two valves via additional ST‑431n modules
Equipment
- Color, touchscreen graphical display for easy controller operation
- CH, DHW, and feeder temperature sensors (safety feature)
- Two valve sensors, return sensor, external sensor (without cable), flue gas sensor (zPID version)
- Two additional sensors
- Temperature protection (thermal cut-off)
- Software update capability via USB port
- Power cable and pump supply cables
- Boiler disinfection function
- Single-module panel housing for boiler installation, made of high-quality materials resistant to high and low temperatures
- zPID software
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