Quick Summary
The HTW-WF01-FC-4K is designed for indoor fan coil unit systems in hotel projects. It supports a 4-pipe system with independent heating and cooling control. The thermostat controls fan operation and motorized valves. It also supports keycard input for energy saving control.
This Hotel Thermostat is suitable for projects that need stable control and energy saving. This Hotel Thermostat helps reduce energy use when rooms are empty. It supports simple scheduling and daily operation. The sections below show key functions and main parameters clearly.

Key Features
These functions support stable operation and practical HVAC control.
(01) White and black colour options
Two colour options are available. This helps match different room styles. This Hotel Thermostat fits modern hotel interiors.
(02) 4-pipe heating and cooling system
The thermostat supports a 4-pipe system. Heating and cooling run separately. This Hotel Thermostat is suitable for higher comfort needs.
(03) Fan coil and valve control
The thermostat controls fan coil units and two wired motorized valves. It manages heating and cooling output. This Hotel Thermostat keeps room temperature stable.
(04) Programming function
The weekly schedule allows automatic control. It helps reduce energy use during idle time. This Hotel Thermostat improves efficiency.
(05) Keycard function
The keycard input supports hotel energy saving logic. The system can stop or reduce operation when the card is removed. This Hotel Thermostat helps reduce energy waste.

Product Design and Display
The design is simple and clean. It fits indoor wall installation. The interface is easy to read. Buttons are clear and responsive. This Hotel Thermostat is easy for daily use.

Technical Specifications
Key parameters are listed below for installation and system matching.
| Parameter | Value |
|---|---|
| Power Supply | 110–240VAC, 50/60Hz |
| Power Consumption | 5A |
| Set Range | 5–35°C |
| Accuracy | ±0.5°C or ±1°F |
| Installation | EU or Standard Electric Box |
| Protection Level | IP20 |
| Shell Material | PC+ABS (Fireproof) |
| Warranty | 2 Years |
Wiring Diagram
The wiring includes fan control, valve output, and keycard input. It supports separate heating and cooling control. This Hotel Thermostat is easy to install and connect.

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 | External sensor |
| M | 0-10V modulating valve |
| Example WF01-FC-XX | If XX=2K, it means 2 pipe FCU thermostat with Keycard function (If you need this, click here) |
Project Fit & Customization
This model is suitable for hotel HVAC systems that require higher comfort and energy control. It supports room-level management with keycard logic. This Hotel Thermostat is ideal for hospitality use.
Some functions can be adjusted. Control logic and interface settings can be modified. This Hotel Thermostat supports flexible project needs.
OEM support is available. Logo, colour, and packaging can be customised. This Hotel Thermostat can match different market needs.
Certifications and Compliance
The thermostat meets common HVAC standards. It supports safe and stable operation. This Hotel Thermostat is suitable for long-term use.

Exhibition Moments
The product is shown in HVAC exhibitions. This helps improve design and application. This Hotel Thermostat is used in many projects.

Frequently Asked Questions
Q1: What is the keycard function used for?
It is used for energy saving in hotel rooms. This Hotel Thermostat reduces operation when the room is empty.
Q2: Can it work with a 4-pipe system?
Yes, it supports 4-pipe systems. This Hotel Thermostat fits advanced setups.
Q3: Can it control fan and valves?
Yes, it controls fan coil units and valves. This Hotel Thermostat keeps temperature stable.
Q4: Does it support programming?
Yes, it supports weekly scheduling. This Hotel Thermostat helps manage temperature.
Q5: What is the MOQ and can I get samples?
MOQ is 300 units. Samples are available. Smaller orders can be discussed.
Q6: How to place an order and arrange shipping?
Contact us for PI. Payment supports TT and PayPal. Shipping supports EXW, FOB, and DAP.
Q7: How long does production take?
Samples take about 7 days. Custom orders take 3–5 weeks. Bulk orders need about one month.
Q8: What shipping methods are available?
Express takes about 7 days. Air is similar. Sea shipping takes about one month.
Need Support?
If you are selecting a model or planning a project, please contact us. We can help match the right thermostat.
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Final Note
Hotel HVAC systems need energy saving and stable control. This Hotel Thermostat supports both needs in daily use. It helps reduce energy waste and improves system efficiency.





