WT304 – LoRaWAN Thermostat for FCU with 0-10V Valves and e-ink Display – Milesight | DistrIoT
Milesight
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WT304 – LoRaWAN Thermostat for FCU with 0-10V Valves and e-ink Display – Milesight

Thermostat WT303 LoRaWAN Milesight, pour ventilo-convecteurs 2/4 tubes, écran e-ink 2,7", contrôle local et à distance, capteurs T°C et humidité.

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Description détaillée

WT304 – Smart Thermostat for 2/4 Pipe Fan Coils – Milesight

General Description

Milesight 's WT304 is a smart thermostat designed for 2-pipe and 4-pipe fan coil units (FCUs) with multi-speed or EC (0-10V) fans. It combines precise temperature and humidity control with advanced features such as open window detection, frost protection, local scheduling, and compatibility with LoRaWAN® and Milesight D2D protocols. Its 2.7" E-ink display ensures optimal readability with low power consumption.

Targeted Applications

  • Temperature control in commercial or residential buildings
  • Regulation of 2 or 4-pipe fan coil units
  • Connected energy management projects via LoRaWAN®
  • Hotel solutions with card detection (digital entry)

Highlights

  • 2-tube and 4-tube FCU support, EC or 1-3 speed fans
  • High-precision CMOSens® temperature and humidity sensors
  • Advanced functions: scheduling, antifreeze, open window detection
  • 2.7" black and white E-ink display
  • LoRaWAN® Class C and Milesight D2D connectivity
  • NFC or USB Type-C configuration

Technical Specifications

Wireless Transmission
Technology LoRaWAN®, Milesight D2D
Frequencies CN470 / EU868 / RU864 / IN865 / AU915 / US915 / KR920 / AS923-1/2/3/4
Transmit power 16 dBm (868 MHz) / 19 dBm (470 MHz) / 22 dBm (915 MHz)
Sensitivity -137 dBm
Fashion OTAA / ABP – Class C
Thermostat Features
Compatibility 2 and 4-tube FCUs with EC fans (0-10V) or 1–3 speeds
Types of valves 0–10V proportional, motorized On/Off 2 or 3 wires
Temperature modes Heating, Cooling, Ventilation
Ventilation modes Low, Medium, High, Auto
Entrances 1 × NTC 10kΩ, 1 × DI (dry contact for card switch)
Advanced functions Local planning, frost protection, open window detection, fan delay, dehumidification
Integrated Sensors
Temperature – Range -20°C to +60°C
Temperature – Accuracy ±0.5°C (0 to 60°C), ±1°C (-20 to 0°C)
Temperature – Resolution 0.1°C
Humidity – Beach 0% to 100% RH
Humidity – Accuracy ±2% RH typ., ±5% RH max.
Humidity – Resolution 0.1% RH
Display & Configuration
Display 2.7" black & white E-ink display
Buttons 5 physical buttons (On/Off, Temp +/–, modes, reset)
Indicator 1 × reset/reboot LED
Configuration NFC via mobile app or USB Type-C
Physical Characteristics
Food 100–240 VAC, 50/60 Hz
Operating temperature -20°C to +60°C (Screen: 0°C to +40°C)
Relative humidity 0% to 95% (non-condensing)
Protection index IP20
Material and color PC + ABS (UL94 V0), white
Dimensions 86 × 86 × 42 mm
Facility 86 mm square or 60 mm round wall box – 118/120 plates optional
Login AWG 14–26 wires

Interfaces and Connectors

The WT304 features an E-ink display and five buttons for complete local control (system, temperature, modes). It can be configured via NFC or USB Type-C. It supports EC or multi-speed fans as well as various types of valves.

Pack Contents

  • 1 × WT304 Smart Thermostat
  • 1 × User Guide
  • 1 × Wall Mounting Kit