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Portable evaporative air cooler Rittal 3334.300 — 1850 m³/h, 380–415/440–480 V, 50–60 Hz, grey
Rittal 3334.300 is a portable evaporative air cooler engineered for industrial and commercial environments where targeted, short-term cooling is required. The unit provides an airflow of 1850 m³/h and is designed to operate on three-phase supply ranges of 380–415 V and 440–480 V at 50–60 Hz. Certified to DIN EN 14511, this grey-finished cooler is intended for spot cooling of equipment rooms, workshops and temporary installations where mobile, reliable air cooling is preferred over permanent HVAC retrofits.
The portable evaporative design delivers high volumetric airflow with relatively low energy consumption compared to compression refrigeration for spot cooling. Its three-phase compatibility across two common industrial voltage ranges and frequency tolerance ensures flexible integration into different site power systems. The unit’s certification to DIN EN 14511 confirms that thermal performance measurements follow accepted industry standards. The compact, grey housing and portable form factor support rapid deployment and repositioning without major installation work.
This evaporative air cooler is not a direct replacement for standard compression-based air conditioners where precise temperature and humidity control are required. Evaporative cooling performance depends on ambient humidity; effectiveness is reduced in high-humidity environments. The unit is intended for spot or temporary cooling rather than continuous whole-building climate control.
Place the cooler on a stable, level surface with adequate clearance for intake and discharge airflow. Connect the unit to a compatible three-phase power supply matching the specified voltage and frequency. Fill and maintain the evaporative media or water reservoir as required by the manufacturer’s instructions to ensure continuous adiabatic cooling. Position the outlet toward the area or equipment requiring spot cooling and adjust airflow or louvers if available. Monitor water level and periodic maintenance items such as filter or media cleaning to maintain performance and longevity.
For best results, use the Rittal 3334.300 for targeted, temporary cooling where ambient relative humidity is moderate to low. Ensure stable three-phase power and follow regular maintenance intervals for the evaporative media and water system to sustain performance and avoid buildup of deposits.
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