Thermal Management For Tough Environments

Pfannenberg outdoor cooling units with high IP system of protection.
Cooling units of the DTS 3000 series offer the best possible protection against a wide range of harmful environmental conditions.

Widest product range

As a leading manufacturer in the area of industrial thermal management, we provide a large range of robust outdoor cooling units with high systems of protection (IP 56 and NEMA Type 3R as standard) as well as heaters, thermostats and hygrostats which complement the system.

Our wide range of products provides you with a variety of solutions for demanding outdoor thermal management which are available very quickly.

Whole product portfolio

  1. 1

    DTS 3031 | 300 W

  2. 2

    DTS 3061 | 700 W

  3. 3

    DTS 3161 | 1200 W

  4. 4

    DTS 3165 | 1950 W

  5. 5

    DTS 3261 | 1900 W

  6. 6

    DTS 3265 | 3330 W

  7. 7

    DTS 3661 | 5800 W

Stronger than the elements

Equipped for the largest possible application area. Whether there is frost, heat or dust: Our cooling units work reliably in a range from -40°C to +60 °C with the equipment packages Low Ambient (LA) and High Temperature (HT) for particularly low and/or high outside temperatures. An ideal solution for virtually every requirement.

An optimal solution for almost every requirement. Read more here:

Cold     Wet     Dusty   

Unique features of the DTS 3000 Series

  1. 1


    Designed to isolate the external ambient air from the internally conditioned air eliminating the risk of contaminants entering the cabinet.

  2. 2

    High Airflow Backward Curve Impeller Fan

    Provides high airflow in a long lasting, single bearing design. Outperforms typical two-bearing blowers with nearly twice the lifespan.

  3. 3

    Thermal Overload Protection

    Compressor and fan motors are outfitted with integral temperature switches to shut down the unit in the event of excessive temperature. This increases the operating life of the compressor by preventing thermal overload trips.

  4. 4

    Hermetically Sealed Compressor

    The absence of any refrigerant fill valves eliminates leak paths. Recharging is never needed. 100% cooling capacity efficiency is ensured.

  5. 5

    Corrosion Protection

    Outdoor and washdown units have a special coating on pipes and coils on the ambient side of the unit to provide maximum protection from saltwater, sour gas, and other corrosive substances.

  6. 6

    Thermal Expansion Valve

    Regulates the flow of refrigerant based on thermal demand for efficient performance over the entire operating temperature range.

  7. 7

    Rugged Design

    Powder coated steel or stainless steel cover designed for manufacturing environments. Easily painted to match enclosure or machine.

  8. 8

    Active Condensate Management

    Condensation is a natural by-product of refrigeration. The heated condensate collection pan boils this off thereby eliminating the need for drain tubes and buckets. To conserve power, this heater only activates when necessary.

  9. 9

    Maintenance Free, Filterless Design

    The wide fin spacing is less susceptible to clogging from dirt buildup which can cause the unit to work harder and hamper efficiency.

Additional protection

Additional protection against condensation and corrosion and also for the optimization of the energy balance and the cost balance.

The useful addition for outdoor applications:

Areas of Application

The unique properties of Pfannenberg outdoor cooling units guarantee wide range of application. The following industries benefit from the increased product resistance

  • Railway and freight transportation: Extreme outdoor conditions, whether rain, frost, heat or vibration
  • Sewage and water treatment plants: Humid climate and use of chemicals
  • Tele communication: 24/7 outdoor use, partly in the furthest corners of the earth
  • Metal production and processing: Strong heat generation, aggressive vapours and limited supply of fresh air
  • Cement and construction materials production, wood industry: Dusty environment with very fine particles in the air
  • Food and Beverage production: Regular use of chemicals during cleaning of production facilities, cleaning under high pressure
  • Wind energy: Extreme weather fluctuations, low temperatures
  • Traffic services: Low temperatures, road salt, slush


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Stronger Than The Elements

Pfannenberg Outdoor Cooling Units

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