This DIN-Rail Mount Device is Great For Control of Standard FCU/AHU/VAV Air conditioning and Ventilation systems, It is Bus Enabled, Mannual Programming Enabled. Good for Single and Multi stage Units (Heat, Cool, Single stage/Humidifier/Fresh Air. Fan low, Fan Med, Fan High, VAV 0-10V). With Auxiliary Tempreture Sensor Port) = Works stand alone with or without the need to have any Paired DDP. All Contact Relays are Rated 2A. (Warning: Higher Loads Require Adding of Contactors for Protection per channel = is a Must)

The HVAC2 – Air Condition Control Module (G4) is a smart, reliable, and efficient air-conditioning control module built for modern home, hotel, and building automation systems. Designed on the G4 platform, it enables precise control of HVAC systems, including fan coil units, split systems, and VRF/VRV air-conditioning setups.

With two independent control channels, the HVAC2 allows management of up to two HVAC zones, providing flexible configuration for cooling, heating, and ventilation. Each channel supports digital and analog inputs for temperature sensors and relay outputs to control fans, valves, and compressors.

Perfect for energy management and comfort control, this module can be integrated seamlessly with automation controllers, wall panels, or IoT platforms. The HVAC2 (G4) offers stable communication, high reliability, and energy-efficient operation, making it an excellent choice for both residential and commercial environments.

🔍 Key Features

• Intelligent dual-channel HVAC control module (G4 platform)
• Controls up to 2 independent HVAC zones
• Supports cooling, heating, and fan speed modes
• Digital and analog inputs for temperature and feedback sensors
• Relay outputs for compressor, fan, and valve control
• Fully compatible with G4 automation systems
• Energy-efficient design with programmable control
• DIN-rail mountable compact housing
• Ideal for smart buildings, hotels, and offices
• Stable communication with automation controllers

🏢 Applications

• Centralized HVAC management
• Smart home air-conditioning systems
• Hotel room climate control
• Office and commercial building temperature control
• Energy-efficient HVAC automation
• Fan coil and VRV/VRF system integration
• Building management system (BMS) integration
• IoT-based HVAC monitoring and control

⚙️ Technical Specifications

• Model: HVAC2 (G4)
• Channels: 2 (Independent HVAC zones)
• Outputs: Relay outputs for fan, valve, and compressor
• Inputs: Digital/Analog (Temperature & mode sensors)
• Communication: G4 Bus Protocol
• Power Supply: 12–24V DC
• Mounting: DIN-Rail / Panel Mount
• Operating Temp: –5°C to +50°C
• Compatibility: G4 wall panels and system controllers
• Protection: Overload and short-circuit protection