SMART FAN COIL CONTROLLER ST-520FC
The ST-520FC Smart Thermostat Fan Coil Controller is a wireless controller specifically designed for managing Fan Coil units in heating and cooling applications. It provides three-speed operation control, ensuring precise adjustment of temperature and comfort in the room.
It operates in combination with the Smart Thermostat ST-520/R, from which it wirelessly receives commands, enabling full automation of the fan coil without complex wiring. Its flexibility makes it ideal for both residential and commercial installations, offering efficient energy use and comfort throughout the year.
The ST-520FC combines reliability, ease of installation, and advanced wireless control, making it a complete solution for modern heating and cooling systems with fan coils.
Key Features
- Long-range wireless communication for a stable connection with the ST-520/R thermostat.
- Reliable control of fan coil units with three speeds, ideal for heating and cooling systems.
- Support for multiple thermostats in a shared setup (Master/Slave operation).
- Remote fan coil management via the ST-520/R, ensuring maximum convenience and comfort.
ST-520FC Functions
- Wireless Fan Coil Controller: Acts as an intermediary between the ST-520/R and the fan coil units, receiving and executing thermostat commands for heating or cooling.
- Three-Speed Control: Supports three fan speed levels, providing precise adjustment of temperature and comfort.
- Repeater Function: The ST-520FC can also operate as a signal repeater, enabling the connection of thermostats located out of range and extending wireless communication coverage.
The ST-520FC Smart Thermostat Fan Coil Controller is the ideal solution for wireless fan coil management, offering flexibility, stable communication, and precise three-speed control. It is designed to work seamlessly with the ST-520/R, enabling reliable and efficient remote operation of fan coil units in heating and cooling applications.
Technical Specifications
| OPERATING VOLTAGE | 230Vac 50/60Hz |
| TWO INDEPENDENT RELAYS | Relay 1 [Q12 - Q14]NO / Relay 2 [Q21 - Q24]NO |
| THREE FAN SPEED SELECTION RELAYS | Relay 1 [S1]NO / Relay 2 [S2]NO / Relay 3 [S3]NO |
| MAXIMUM RELAY CONTACT LOAD | 8(2) A |
| COMMUNICATION RANGE | Up to 100m in open space |
| COMMUNICATION FREQUENCY | 2.4GHz (ESP-NOW) |
| INPUT (SELV) | Input 1 [I16 - I17] (SELV) |
| OPERATING TEMPERATURE RANGE | -10°C – 50°C |
| PROTECTION RATING | IP20 |
| MOUNTING | Wall-mounted |
We hereby declare that the radio equipment of the product ST-520FC, manufactured by AR. TSITSIKAS & CO G.P., complies with the essential requirements and relevant provisions of the following European Union directives:2014/30/EU (EMC), 2014/35/EU (LVD), 2014/53/EU (RED). The full text of the EU Declaration of Conformity is available at the following internet address: https://www.master-electric.gr/downloads
• The technical specifications, features, and availability of the ST-520FC (Smart Receiver) are subject to change without prior notice.
• The manufacturer reserves the right to modify the product, firmware, and the accompanying Android and iOS applications for improvement purposes, without any obligation to inform previous purchasers.
• Install the product according to the electrical installation diagram.
When the product is decommissioned, it must be disposed of in accordance with national legislation and environmental protection requirements.
Draft of Electrical Installation
