Smart Fan Coil Thermostat

Even with Fan Coil Units,
Greener Room Temperature Control is Coming

WT30x
Is Your Space Compatible?
fan coil thermostat front
fan coil thermostat right
fan coil thermostat back
  • LoRaWAN® Based for Wireless Transmission
  • Compact Size Design with Easy Installation
  • Compiled with 2-Pipe FCU with up to a 3-Speed Fan
  • Temperature Adjustment Available
  • Support Pre-set Date Period with Programmable Schedules
  • 86mm Hidden Box and European 60mm Round Box Available
  • FEATURES
  • MODELS
  • DOWNLOAD

Greener and Smarter
Controlling Fan Coil Units
in IoT Ways

“Building energy simulation conducted showed that modulation control could save over 50% fan coil units (FCUs) fan energy compared with cycling on and off. The modulation control can also maintain a higher chilled water at part-load conditions, leading to over 50% savings in pump energy and more efficient chiller staging.”

—Understanding Fan Coil Components and Their Relationship to Energy Consumption and Modeling, ASHRAE Report

Starting Here
Building Energy Retrofitting

The Milesight Smart Fan Coil Thermostat WT30x is an advanced touch screen room thermostat, offering access to parameters such as system mode, fan mode and temperature setpoints. Valves and auxiliary electric heaters can be controlled using a relay or contactor system switch controlled by the thermostat. It can be used in a variety of building applications, including hotels, schools and offices.

milesight fan coil thermostat lorawan gateway
milesight fan coil thermostat lorawan data security

Wireless LoRaWAN® Deployment

Easy Deployment

“The wireless communication takes advantage of the Long-Range characteristics of the LoRaÒ physical layer, allowing a single-hop link between the end-device and one or many gateways.” – LoRa Alliance

Higher Security

“LoRaWAN® ensures secure communication between the application server and the end device using AES-128 encryption.” – LoRa Alliance

User-Friendly and Elegant
Product Design

The WT30x comes in an all-white color and fits perfectly into different scenes. It features an LED matrix light for a simple, energy-efficient display. Digital display of ambient temperature, setpoint, mode icons when cooling or heating relays operate, when energy savings mode is active, and fan status.

Rotating Based on Accurate
Temperature Sensing

By comparing the temperature setpoint with the current temperature, the WT30x enables both proactive management and automatic control based on predefined logic.

  • The fan can be controlled from the thermostat, which offers three fan speeds (Low, Med, High) and Auto
  • With Built-in temperature sensor, WT30x enables environmental detection and accurate control
  • NTC port allows connection of additional temperature sensors for more precise monitoring
  • Supports wireless connection of external temperature sensors via LoRaWAN® gateway

Strong Connectivity

By incorporating Milesight LoRaWAN® gateways and harnessing the power of platforms using various communication protocols that encompasses MQTT(s), HTTP, and BACnet, the WT30x brings advanced performance to energy-efficient management, remote control, and data-driven management optimizations.

*Integration with BACnet is under development and will be available soon!

fan coil thermostat bacnet fan coil thermostat lorawan fan coil thermostat mqtt

Weekly Programmable Mode Tailored to Your Needs

  • Date Settings
  • Time Settings
  • Eco Mode

On Every Workday, Saturday and Sunday

Customers can create different heating and cooling schedules based on workdays, Saturdays and Sundays.

Comfort Periods and Economy Periods

The WT30x offers six scheduled heating and cooling periods each day, with three different temperature settings for Comfort Periods and three for Economy Periods.

  • Comfort Periods: The temperature required when room is occupied
  • Economy Periods: The temperature required when room is vacant

Create Energy-Saving Hotels with Eco Mode

Seamlessly link room cards to control device systems, enabling easy management of switches and triggering specific schedules tailored to the hotel environment.

Smarter Temperature
Management

With factory default and customized settings, users can adjust the thermostat to their actual needs while enjoying precise and stable management.

  • Clock display with 12-hour system or 24-hour system
  • Support temperature compensation factory default
  • Secured data memory when power is off
  • Button lock functions to avoid tampering

LoRaWAN® Based

  • Penetrating Signals: data transmission range up to 2 km in urban areas and 15 km in rural areas
  • High Compatibility: compliant with standard LoRaWAN® gateways and network servers

Choose the Fan Coil Thermostat That Fits

WT301: On/Off Relay

WT302: 0-10v Valve Control

WT302 adopts proportional plus integral (P+I)
control algorithm for precision temperature regulation.

Easy Installation

milesight fan coil thermostat installation

Bottom Box into Wall Mounting

Not Sure If It's Compatible with Yours?

Getting the right product to work perfectly with your wiring can make everything go much smoother. Let us help you find the best thermostat with these step-by-step instructions.

Compatibility Checker

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Specifications

Thermostat Feature
Compatible Fan CoilTwo Pipes, 3-Speed Fan, 95~240VAC
Fan Relay AmpsResistance: 5A, Inductive: 3A
Fan ModeLow, Medium, High, Auto
Compatible ValveTwo-wire On/Off Motorized Valve
Valve Relay AmpsResistance: 3A, Inductive: 1A
Temperature
Internal Sensor TypeNTC10K
Set Temperature Range5°C ~ 35°C
Accuracy±0.5°C
Others
Inputs1 × Keycard Switch Input (Dry Contact), 1 × NTC Input for External NTC Sensor
Wireless Transmission
ProtocolLoRaWAN®
FrequencyCN470/EU868/RU864/1N865/AU915/US915/KR920/A5923-1&2&3&4
Tx Power16dBm (868 MHz) / 19dBm (470 MHz) / 22dBm (915 MHz)
Sensitivity-137dBm
ModeOTAA/ABP Class C
Display & Configuration
DisplayLCD Screen with Four-color LED
Display Temperature5°C ~ 99°C
Configuration5 Capacitive Touch Buttons
Physical Characteristics
Power Supply95 ~ 240 VAC, 50 ~ 60Hz
Power Consumption<1.5W
Operating Temperature0°C ~ 45°C
Storage Temperature-5°C ~ 45°C
Relative Humidity5 ~ 95% (Non-condensing)
Ingress ProtectionIP20
Color & MaterialWhite, PC + ABS (Flame-retardant)
Dimension88 × 88 × 41.8 mm
Wire Connection2 x 1.5 mm² or 1 x 2.5 mm²
Installation86*86mm Square or European 60mm Round Box Mounting

Thermostat Feature
Compatible Fan CoilTwo Pipes, 3-Speed Fan, 95~240VAC
Fan Relay AmpsResistance: 5A, Inductive: 3A
Fan ModeLow, Medium, High, Auto
Compatible Valve0-10V Proportional Integral Valve
Valve Relay AmpsResistance: 3A, Inductive: 1A
Temperature
Internal Sensor TypeNTC10K
Set Temperature Range5°C ~ 35°C
Accuracy±0.5°C
Others
Inputs1 × Keycard Switch Input (Dry Contact), 1 × NTC Input for External NTC Sensor
Wireless Transmission
ProtocolLoRaWAN®
FrequencyCN470/EU868/RU864/1N865/AU915/US915/KR920/A5923-1&2&3&4
Tx Power16dBm (868 MHz) / 19dBm (470 MHz) / 22dBm (915 MHz)
Sensitivity-137dBm
ModeOTAA/ABP Class C
Display & Configuration
DisplayLCD Screen with Four-color LED
Display Temperature5°C ~ 99°C
Configuration5 Capacitive Touch Buttons
Physical Characteristics
Power Supply95 ~ 240 VAC, 50 ~ 60Hz
Power Consumption<1.5W
Operating Temperature0°C ~ 45°C
Storage Temperature-5°C ~ 45°C
Relative Humidity5 ~ 95% (Non-condensing)
Ingress ProtectionIP20
Color & MaterialWhite, PC + ABS (Flame-retardant)
Dimension88 × 88 × 41.8 mm
Wire Connection2 x 1.5 mm² or 1 x 2.5 mm²
Installation86*86mm Square or European 60mm Round Box Mounting

Documents

WT30x Fan Coil Thermostat Datasheet WT30x Fan Coil Thermostat User GuidePayload Decoder Firmware & SDK Download

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