4-Inch Color Screen Modbus HP Controller for FCU/Floor Heating

SAS965FCH

4-Inch Color Screen Modbus Reversible HP Controller

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4-inch Color Touch Screen Interface

Core Controller for Reversible HP Systems

RS485/Modbus Building Integration

Real-time Humidity & Dew Point

Compatible with FCU & Floor Heating

Enhanced Residential Aesthetic Design

Home Product Commercial Thermostats 4-Inch Color Screen Thermostats

Product Feature

The SAS965FCH is a next-generation intelligent terminal, merging premium aesthetics with powerful functionality via an intuitive 4-inch color touch screen. Engineered specifically for reversible hydronic heat pump systems in Europe, it leverages standard Modbus-RTU for seamless BMS/EMS integration. The controller provides precise output for both FCU and floor heating, while its built-in dew point display supports vital anti-condensation strategies. This superior solution maximizes system SCOP and delivers unparalleled indoor climate control for A+++ residential projects.

Key Functions

Intuitive Mode Switching

Enables quick, visual switching between Cooling, Heating, and Fan modes via the color screen interface.
Flexible Terminal Control

Direct output for Floor Heating Valve and Fan Coil Valve (ON/OFF), accommodating various terminal requirements.
Precise Dew Point Monitoring

Built-in humidity sensor displays real-time room humidity and dew point for condensation prevention during cooling.

Seamless BMS Integration

Utilizes RS485 and MODBUS-RTU for easy integration into 3rd party BMS or central controllers.
Three-Speed Fan Output

Provides High, Medium, and Low fan speed control outputs for precise air volume adjustment.
Remote Configuration

Key parameters can be read/written via Modbus for central monitoring and remote diagnosis.

Product Parameters

● Power Supply: 100-240VAC, 50/60Hz

● Max Load Current: 3A / 250VAC

● Built-in Room Temp. Control Range: 5°C - 35°C

● External Sensor Control Range: 5°C - 70°C (Optional/Not included)

● Temperature Display Accuracy: 0.1°C

● Operating Temperature: 0°C - 50°C

● Storage Temperature: -10°C - 60°C

● Dimensions: 86mm x 86mm x 13mm

Product Dimensions

Product Installation

Product Application Scenarios

The SAS965FCH controller is the definitive solution for high-comfort climate control in European residential settings, especially where aesthetic design and energy efficiency are paramount. Key applications include: new build villas and premium apartments utilizing reversible HP hydronic systems for precise FCU and floor heating zone control; and deep energy retrofit projects requiring an integrated cooling/heating system with anti-condensation capabilities. Its Modbus integration makes it the ideal choice for advanced residential projects connecting to central EMS or smart home platforms.

Partnership Support

As an established China-based manufacturer and supplier, we offer professional, customized cooperation support services to global HVAC integrators, equipment manufacturers (OEMs), and engineering companies.

Technical Consulting

Expert teams provide App integration guidance (for Tuya or Private Label), detailed wiring tutorials, and 24-hour support for multi-mode heating system troubleshooting (e.g., reversible heat pump issues).
Customization Services

We support full UI interface customization (e.g., brand LOGO, color adjustment), multi-language menu customization, and deep App function integration (e.g., adding project-specific control modules).
Quality Assurance & Global Warranty

Rigorous Quality Control throughout the manufacturing process ensures product reliability and longevity. We maintain a localized quick-response mechanism to support our global partners, ensuring timely resolution of issues and significantly reducing your operational and after-sales burden worldwide.