HVAC system controller PowerSmart III

Overview
Geovent PowerSmart III is an automatic control unit for demand‑controlled, energy‑optimized ventilation systems. It senses mains current to detect when welding machines or other equipment are operating and activates dampers and/or fans only when required, reducing unnecessary runtime and energy use.

What do you get?

• Automatic activation of fan and damper only during machine use for reduced energy consumption.
• Noise‑resistant, self‑adjusting active flux sensor for reliable detection in electrically noisy industrial environments.
• Versions for CEE 16 A and CEE 63 A to match different power supplies.
• Two integrated relay outputs for controlling multiple devices or circuits.
• Built‑in 24 V transformer enabling direct connection to other control devices.
• Quick and simple installation with two‑button calibration.

Product information
PowerSmart III uses an active flux sensor with automatic adjustment to maintain sensitivity while rejecting electromagnetic interference. The unit includes dual relay outputs and a 24 V AC supply for downstream devices. Sensitivity and afterrun time are user‑adjustable to adapt to specific workflows. The controller is designed for straightforward installation and fast commissioning in industrial workshops where demand‑controlled ventilation improves air quality and reduces operating costs.

Technical data
Voltage: 3×400 V / 50–60 Hz; 3×230 V / 50–60 Hz
Current: CEE: 16 A, 63 A
Outputs: Relay: 24 VAC – max 1.5 A (two integrated relay outputs)

Technical specifications

• Model: PowerSmart III
• Manufacturer: Geovent
• Voltage options: 3×400 V (50–60 Hz) and 3×230 V (50–60 Hz)
• Current versions: CEE 16 A and CEE 63 A
• Outputs: 2× relay output 24 VAC, max 1.5 A each
• Sensor: Self‑adjusting active flux sensor, noise‑resistant
• Integrated 24 V transformer for device integration
• Adjustable sensitivity and afterrun time
• Installation: Quick two‑button calibration for fast setup
• Function: Detects power draw from welders and other machines to control dampers and fans for demand‑controlled ventilation and energy savings