VT03C WiFi White Digital ON/OFF Type 4-pipe Fan Coil Thermostat

The digital on/off 4-pipe thermostat features precise temperature control, 3-speed fan settings, WiFi remote access, and voice assistant support—offering smart, efficient, and convenient climate management.

Model No.: VT03C-WiFi
Application: Water-cooled chiller system of air conditioner
Programmability: Weekly programmable
Mode: Heating/Cooling/Ventilation Mode, Sleep Mode
Material: ABS+PC
Packing : Neutral packaging, support customization
Features: Child lock, Temperature calibration, 3 Fan speed, Timer, Energy-saving function, Low temperature protection

The digital on/off 4-pipe fan coil thermostat, model VT04C, is designed for systems that require separate control of heating and cooling circuits. It features reliable relay output control, a clear LCD display with color icons, and manual or automatic 3-speed fan adjustment. With support for heating, cooling, and ventilation modes, it ensures year-round comfort and precise temperature control. Built-in WiFi allows remote control via smartphone app, while compatibility with voice assistants like Alexa and Google Assistant offers hands-free convenience. Easy to install and user-friendly, it’s ideal for both residential and commercial AC applications.

Smartphone Control:
With built-in WiFi connectivity, this thermostat allows users to control their indoor climate anytime, anywhere via a dedicated mobile app. Whether you’re at home, at work, or traveling, you can adjust temperature settings, switch between heating and cooling modes, change fan speeds, or set a weekly schedule directly from your smartphone, making climate management smarter and more efficient.

Voice Control Integration:
For added convenience, the thermostat works seamlessly with popular voice assistants such as Amazon Alexa and Google Assistant. Simply use voice commands to change the temperature, turn the system on or off, or switch operation modes — all without lifting a finger. This hands-free control enhances user experience, especially for smart home setups and accessibility needs.

The fan coil thermostat features multiple operating modes, it supports Heating, Cooling, and Ventilation modes to suit year-round climate needs.

TECHNICAL PARAMETERS

Application Water-cooled chiller system
Power Supply AC100-240V, 50/60Hz
Load Current ≤5A
Display Accuracy ±0.5℃
Sensor NTC (10k)
Ambient Temperature 0~99℃ 
Set Temperature Range 5~35℃ 
Control Touch button control
Installation Wall mounted
Size 86*86*12mm
Color Black, White
Customization Customized logo and packaging
Customzied software 
Customized hardware 

WIRING AND INSTALLATION