$180.00
WT303/WT304 Smart Fan Coil Thermostat
The Milesight LoRaWAN® smart fan coil thermostat is compatible with both 4-pipe and 2-pipe fan coil systems, supporting 3-speed fans and EC fan control. It seamlessly integrates into intelligent control systems to enable centralized management and efficient energy consumption optimization, aiming to revolutionize HVAC management in modern buildings, hotels, shopping malls, etc.
WT303/WT304 redefines climate control, seamlessly integrating built-in sensors, external NTC probes, LoRaWAN remote commands, and Milesight D2D device collaboration to enable Local-to-Cloud Smart Response – One Device Fits All.
The thermostat provides 8 custom schedules, each allowing up to 16 execution times. It tailors to all your control needs!
WT303/WT304 LoRaWAN Wireless Thermostat – Long-range connectivity, low power, robust encryption. Delivers intelligent HVAC control. Versatile and reliable in complex scenarios- the top choice for large-scale projects.
Connecting The Wires
Wall Mounting
Fixed
Window Open Detection
Window open, auto-stop climate control to save energy
Tamper Protection
Prevent abnormal temperature caused by an accidental touch
Anti-Freeze Protection
Automatic heating in low temperatures to protect indoor assets’ safety
Anti-Theft Protection
Anti=theft structure design, assets safe
Fan Delay Mode
After device shutdown, fan runs on to expel residual heat
Remote Configuration + FUOTA
Remote configuration via Milesight Development Platform for Effortless Building Automation
Real-Time Anomaly Alerts
Temperature anomaly triggers alarm to ensure safety
| Thermostat Feature | |
|---|---|
| Compatible Fan Coil | 2-pipe and 4-pipe Fan Coil Units (FCUs) with 1-3-speed fans For more see Compatibility Checker. |
| Compatible Valve | 2-wire or 3-wire On/Off Motorized Valves |
| Relay Amps | Resistance: 4A, Inductive: 3A |
| Temperature Control Range | 5°C ~ 35°C |
| Temperature Control Mode | Heat, Cool, Ventilation |
| Fan Mode | Low, Medium, High, Auto |
| Others | |
| Inputs | 1 × 10k ± 1% 3950 NTC Input, 1 × DI (Dry Contact) for keycard switches, magnet switches, etc. (only for physical switches or buttons) |
| Advanced Feature | Local Control Schedule, Freeze Protection, Open Window Detection, Fan Delay, Temp. Control and Dehumidify |
| Sensor | |
| Temperature | |
| Operating Principle | Digital CMOSens® technology (MEMS) |
| Range | -20°C ~ 60°C |
| Accuracy | ± 0.5°C (0°C ~ 60°C), ± 1°C (-20°C ~ 0°C) |
| Resolution | 0.1°C |
| Humidity | |
| Operating Principle | Digital CMOSens® technology (MEMS) |
| Range | 0% – 100% RH |
| Accuracy | Typical ± 2% RH, Max. ± 5% RH |
| Resolution | 0.1% RH |
| Wireless Transmission | |
| Protocol | LoRaWAN®, Milesight D2D |
| Antenna | Internal Antennas |
| Frequency | CN470/EU868/RU864/1N865/AU915/US915/KR920/A5923-1&2&3&4 |
| Tx Power | 16dBm (868 MHz) / 19dBm (470 MHz) / 22dBm (915 MHz) |
| Sensitivity | -137dBm |
| Mode | OTAA/ABP Class C |
| Others | |
| Display | 2.7-inch Black&White E-ink Screen |
| Button | 5 External Buttons for FCU System On/Off, Temperature Up/Down, Temperature Control Mode Switch, Fan Mode Switch, Reboot and Reset |
| LED Indicator | 1 x Reset/Reboot Indicator |
| USB | 1 x Type-C Port for Console |
| Software | |
| Configuration | NFC via mobile App or Downlink |
| Advanced Feature | Threshold Alarm, Child Lock, Multicast, Milesight D2D Controller, Milesight D2D Agent, External Sensor Mode, Milesight D2D Sensor Data Receiving, FUOTA |
| Physical Characteristics | |
| Power Supply | 100 ~ 240 VAC, 50 ~ 60Hz |
| Operating Temperature | -20°C ~ 60°C (E-ink Screen: 0°C ~ 40°C) |
| Relative Humidity | 0 ~ 95% (Non-condensing) |
| Ingress Protection | IP20 |
| Color & Material | White, PC + ABS (UL94 V0) |
| Dimension | 86 × 86 × 42 mm |
| Wire Connection | AWG 14-26 |
| Installation | 86mm Square or European 60mm Round Box Mounting 118 or 120 Wall Box Mounting via (optional) Wall Plate Accessories |
| Thermostat Feature | |
|---|---|
| Compatible Fan Coil | 2-pipe and 4-pipe Fan Coil Units (FCUs) with 1-3-speed fans or EC (0-10V) fans For more see Compatibility Checker. |
| Compatible Valve | 0-10V Proportional Integral Valves, 2-wire or 3-wire On/Off Motorized Valves |
| Relay Amps | Resistance: 4A, Inductive: 3A |
| Temperature Control Range | 5°C ~ 35°C |
| Temperature Control Mode | Heat, Cool, Ventilation |
| Fan Mode | Low, Medium, High, Auto |
| Others | |
| Inputs | 1 × 10k ± 1% 3950 NTC Input, 1 × DI (Dry Contact) for keycard switches, magnet switches, etc. (only for physical switches or buttons) |
| Advanced Feature | Local Control Schedule, Freeze Protection, Open Window Detection, Fan Delay, Temp. Control and Dehumidify |
| Sensor | |
| Temperature | |
| Operating Principle | Digital CMOSens® technology (MEMS) |
| Range | -20°C ~ 60°C |
| Accuracy | ± 0.5°C (0°C ~ 60°C), ± 1°C (-20°C ~ 0°C) |
| Resolution | 0.1°C |
| Humidity | |
| Operating Principle | Digital CMOSens® technology (MEMS) |
| Range | 0% – 100% RH |
| Accuracy | Typical ± 2% RH, Max. ± 5% RH |
| Resolution | 0.1% RH |
| Wireless Transmission | |
| Protocol | LoRaWAN®, Milesight D2D |
| Antenna | Internal Antennas |
| Frequency | CN470/EU868/RU864/1N865/AU915/US915/KR920/A5923-1&2&3&4 |
| Tx Power | 16dBm (868 MHz) / 19dBm (470 MHz) / 22dBm (915 MHz) |
| Sensitivity | -137dBm |
| Mode | OTAA/ABP Class C |
| Others | |
| Display | 2.7-inch Black&White E-ink Screen |
| Button | 5 External Buttons for FCU System On/Off, Temperature Up/Down, Temperature Control Mode Switch, Fan Mode Switch, Reboot and Reset |
| LED Indicator | 1 x Reset/Reboot Indicator |
| USB | 1 x Type-C Port for Console |
| Software | |
| Configuration | NFC via mobile App or Downlink |
| Advanced Feature | Threshold Alarm, Child Lock, Multicast, Milesight D2D Controller, Milesight D2D Agent, External Sensor Mode, Milesight D2D Sensor Data Receiving, FUOTA |
| Physical Characteristics | |
| Power Supply | 100 ~ 240 VAC, 50 ~ 60Hz |
| Operating Temperature | -20°C ~ 60°C (E-ink Screen: 0°C ~ 40°C) |
| Relative Humidity | 0 ~ 95% (Non-condensing) |
| Ingress Protection | IP20 |
| Color & Material | White, PC + ABS (UL94 V0) |
| Dimension | 86 × 86 × 42 mm |
| Wire Connection | AWG 14-26 |
| Installation | 86mm Square or European 60mm Round Box Mounting 118 or 120 Wall Box Mounting via (optional) Wall Plate Accessories |
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