Product Overview
The CK2 WiFi FCU Thermostat is designed for 2-pipe and 4-pipe fan coil unit (FCU) systems in heating and cooling applications.
It supports smartphone control and 7-day programmable scheduling for convenient temperature management. Additional features include low-temperature protection, power-off memory, and adjustable backlight brightness.
Key Features
- 2-pipe/ 4-pipe
- Smartphone control
- Low temperature protection
- Power off memory
- Backlight brightness is adjustable
Technical Specifications
- Working voltage: 220V
- Temperature Accuracy: +-0.5 °C
- Set temperature: 5~35°C
- Size: 86x86mm
Model Selection Guide

Installation Guide
