Quick Summary
This 2 pipe fan coil thermostat with Modbus HTW-WF01-FC-2N is designed for FCU systems in hotels, offices, and residential buildings. It monitors room temperature continuously and sends control signals to adjust heating or cooling output, ensuring stable indoor comfort.
The thermostat supports Modbus communication for integration into building management systems. It is suitable for projects requiring predictable operation, centralized monitoring, and consistent deployment across multiple rooms.
Key Features
(This section explains the core control functions and their practical value.)
(01) Precise Temperature Control
Thermostat with Modbus maintains stable room temperature by reducing fluctuations. It helps improve comfort and reduces unnecessary energy consumption in FCU systems.
(02) Modbus Communication Integration
The thermostat supports Modbus RTU communication through RS485. It allows centralized monitoring, remote adjustment, and system-level control within BMS environments.
(03) Simplified Operation and Maintenance
The interface is designed for easy setup and daily operation. Clear status display helps technicians quickly identify system conditions and reduce maintenance time.
Product Design and Display
(Product’s dimensions and the interface layout for reference.)
Thermostat with Modbus’s 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 | Specification |
|---|---|
| Power Supply | 100–240 Vac, 50/60 Hz |
| Control Type | On/Off with Modbus communication |
| Output Interface | NC + NO relay output |
| Temperature Accuracy | ±0.5°C |
| Display | White backlit LCD |
| Installation | Wall-mounted, 86-box compatible |
| Operating Range | 5–35°C |
| Communication | Modbus RTU |
| Protection Class | IP20 |
| Dimensions | 86 × 86 × 28 mm |
Wiring Diagram
(This section provides the wiring reference diagram for correct installation.)
Thermostat with Modbus’s clear wiring references to help you complete the installation quickly and correctly
Model Code Guide
(This section explains what each part of the model code means for system configuration.)
| Fan coil series | xx stands for |
|---|---|
| 2 | 2-pipe fan coil system |
| 4 | 4-pipe fan coil system |
| W | Wifi |
| EC | EC FAN 0-10V |
| B | Bacnet |
| N | Modbus communication |
| K | Keycard |
| E | Esternal Sensor |
| M | 0-10V Modulating valve |
| Example WF01-FC-XX | If XX=2N, means 2-pipe FCU thermostat with Modbus function |
Project Fit & Customization
(This section explains where the product can be used, its limits, and OEM/ODM options.)
This thermostat is designed for standard 2 pipe Thermostat with Modbus integration. It is not suitable for 4 pipe systems(If you need 4 Pipe click here ), VAV applications, or complex multi-zone control requiring advanced algorithms.
ODM customization can be discussed for system integration requirements, interface adjustments, or firmware logic changes based on project needs.
OEM customization is supported, including logo printing, labeling, and packaging customization for branding purposes.
Certifications and Compliance
The thermostat meets common European standards and related test requirements.
Exhibition Moments
Our team participates in international HVAC exhibitions and industry events.
Frequently Asked Questions
Can this thermostat integrate with a BMS system?
Yes. It supports Modbus communication for centralized monitoring and control.
Is it suitable for single pipe or VAV systems?
No. It is designed specifically for 2 pipe FCU systems.
What installation method is required?
The thermostat is wall-mounted and compatible with standard 86-box installations.
How does it maintain stable temperature?
It continuously measures room temperature and adjusts FCU output through closed-loop control.
Need Support?
If you are evaluating a thermostat for a 2 pipe FCU system with Modbus, please contact us. We can assist with system integration and technical confirmation.
Related Thermostat Models
For more details, please click here directly：
