Stulz ENS-14 98 Liter/Hour Ultrasonic Humidifier System HVAC 7x ENS-24U

Stulz ENS-14 98 Liter/Hour Ultrasonic Humidifier System HVAC 7x ENS-24U

The Stulz ENS-14 is a high-capacity dual-rack ultrasonic humidifier system designed for commercial and industrial HVAC applications. It combines seven ENS-24U piezoelectric ultrasonic humidifier modules to deliver a total output of 91–98 liters of moisture per hour. The system ships with its transformer assembly and wall-mount switching/distribution panel, making it a complete, ready-to-integrate humidity control solution for large-scale HVAC installations.

Specifications & What's Included

• Model: Stulz ENS-14 dual-rack ultrasonic humidifier system
• Module: Stulz ENS-24U (qty 7 installed)
• Combined humidification output: 91–98 liters/hour
• Output per ENS-24U module: 13–14 liters/hour
• Piezoelectric vibrators per module: 24
• Power per module: 750 Watts
• Operating voltage: 48V DC
• ENS-24U module dimensions: 175 × 950 × 230 mm
• Configuration: Dual freestanding rack frame
• Rear panel connections (per module): water supply inlet, overflow port, drain pipe, Main electrical connector, Control electrical connector (bilingual German/English labeling)
• Includes: Transformer panel assembly (multiple step-down transformers, Schneider Electric solid-state relays, motor protection breakers, contactors, DIN-rail terminal blocks)
• Includes: Wall-mount switching control panel (enclosed, with labeled humidifier zone terminal blocks and wiring for up to 3 humidifier zones visible)
• All 7 ENS-24U modules, dual rack frame, transformer panel, and switching panel present

Applications

Ultrasonic humidifiers like the Stulz ENS series use high-frequency piezoelectric transducers to atomize water into a fine cool mist, which is then introduced directly into an HVAC air stream to maintain precise relative humidity levels. Unlike steam humidifiers, ultrasonic systems operate at or near room temperature, making them energy-efficient and well-suited for environments where heat-sensitive materials or processes require careful humidity control. The ENS-14 system at this output capacity is suited for large commercial facilities — data centers, server rooms, clean rooms, precision manufacturing floors, printing operations, museums, archives, and large office or hospital HVAC systems where consistent humidity control is critical. Stulz is a German manufacturer with a long history in precision climate control for telecommunications and data center environments, and their ENS-series humidifiers are built for demanding, continuous-duty HVAC integration. This system dates from the era when modular rack-based ultrasonic humidifier arrays became a preferred approach for scalable large-area humidity management in European and international commercial construction.