Quick Summary
Wifi Thermostat with Modbus HTW-WF06-FC-4WN is a smart thermostat designed for 4-pipe fan coil systems. It controls fan speed and two motorized valves for heating and cooling operation. It supports programmable scheduling, Modbus communication, and WiFi connectivity for flexible system control.
This page explains how this smart thermostat works in HVAC projects. It covers control logic, wiring reference, technical parameters, and model code meaning. Project suitability and customization options are also included for engineering confirmation.
Key Features
(This section explains the core control functions and their practical value.)
(01) Programmable Scheduling
The Wifi Thermostat with Modbus supports time-based temperature control. It helps reduce unnecessary system operation and improves energy efficiency in daily use.
(02) Modbus Communication Integration
RS485 Modbus communication allows connection to building management systems. It supports central monitoring and remote adjustment across multiple zones.
(03) Wifi Remote Operation
Built-in WiFi allows remote access through mobile applications. It simplifies commissioning and daily operation without the need for on-site adjustment.(If you only need Modbus, click here)
(04) Fan and Valve Control
The thermostat controls fan speed and two motorized valves. It ensures stable heating and cooling operation in 4-pipe fan coil systems.
Product Design and Display
(Product’s dimensions and the interface layout for reference.)
The thermostat appearance and interface layout to fully grasp the display effect and performance of the thermostat in real-world use
Technical Specifications
(This section lists the key parameters for reference and project confirmation.)
| Parameter | Value |
|---|---|
| Power Supply | 110(+/-10%)VAC or 220(+10%,-15%)VAC |
| Frequency | 50/60Hz |
| Accuracy | ±0.5°C or ±1°F |
| Current Load | Fan 5A (3A inductive), Valve 3A (1A inductive) |
| Setpoint Range | 5–35°C |
| Display Range | 5–99°C |
| Installation | EU or standard electric box |
| Protection Class | IP20 |
| Storage Temp. | -5–45°C |
Wiring Diagram
(This section provides the wiring reference diagram for correct installation.)
Clear wiring references to help you complete the installation quickly and correctly
Model Code Guide
| Fan coil series | xx stands for |
|---|---|
| 2/4 | 2 for 2-pipe; 4 for 4-pipe system |
| M | Modulating valve control |
| W | Wi-Fi |
| N/B | N for Modbus; B for BACnet |
| K/E | Keycard or external sensor |
| Example HTW-WF06-FC-xx | If xx = 4WN, it means 4-pipe system with fan control, wifi, and Modbus communication. |
Project Fit & Customization
(This section explains where the product can be used, its limits, and OEM/ODM options.)
This Wifi Thermostat with Modbus is designed for indoor 4-pipe fan coil systems. It is not suitable for standalone heating-only systems or unsupported communication protocols. It is recommended for projects requiring both local control and system integration.
ODM customization can be discussed. Communication settings, control logic, or interface behaviour may be adjusted based on project needs.
OEM customization is also supported. Logo printing, panel colour, and packaging can be modified to meet branding requirements.
Certifications and Compliance
Exhibition Moments
Frequently Asked Questions
Which fan coil systems are compatible?
This model supports 4-pipe fan coil systems with fan and valve control.
Can it integrate with BMS?
Yes. Wifi Thermostat with Modbus supports Modbus communication for integration with building management systems.
How is the unit installed?
It fits EU or standard electric boxes. Installation should follow wiring diagrams and IP20 protection requirements.
What is the MOQ and are samples available?
Samples are available. Standard MOQ is 300 units. Smaller quantities may be discussed.
How to place an order?
Please contact us to confirm requirements. We provide PI. Payment supports TT, PayPal, Visa with EXW, FOB, DAP terms.
How is the product shipped?
Courier delivery takes about 7 days. Air freight is similar. Sea shipping takes about one month.
Need Support?
If you need help selecting a thermostat for your project, please contact us. Our team can assist with system matching and installation guidance.
