Intro

Free-Air

Retrofit Free Cooling units for indoor or outdoor installation

To considerably cut the running costs of base stations, they can be retrofitted with the STULZ Free-Air Free Cooling unit.

Solutions for Free-Air units

  • Shelter cooling

  • Direct Free Cooling

  • Installation in the shelter

  • Installation outside the shelter

Benefits

Benefits

  • Energy efficient Free Cooling solution that can be retrofitted in existing systems.

  • The return on investment for the retrofit is achieved especially quickly in base stations, where comfort air conditioning units are running 24 hours a day.

  • The Free-Air units are plug and play and therefore immediately ready for connection and use.

Direct Free Cooling

With Free Cooling, the units achieve savings of up to 96 % on running costs.

Free Cooling

  • Uwe Kudszus, Product Manager

    “Many base stations still make use of comfort air conditioning systems that do not use Free Cooling. The Free-Air cooling unit can easily be integrated in systems like this, and controls the comfort air conditioning units.“

Flexible installation

The units are available in two versions for maximum versatility – FCL-IN for indoor installation and FCL for outdoor installation.

The FCL-IN is installed indoors, for when maximum protection against vandalism and adverse weather conditions is your priority

FCL-IN installation

The FCL is installed outside the container, so that the entire interior space can be used for IT equipment. Full access from the outside for maintenance purposes.

FCL installation

Features

Features

  • Ready for operation on the very first day – easy mechanical and electrical installation

  • Simple integration of existing comfort air conditioning units

  • Outside temperature value for Free Cooling can be defined as you wish

  • Speed-controlled EC fan

  • Full service accessibility from the front

  • Measures DC power consumption

  • G4 air filters: The FCL-IN is equipped with a pocket filter, which provides a larger filter area (2 m2). This reduces pressure drops and extends service intervals

  • Insulated, powder-coated housing of galvanized sheet steel

  • The filter alarm can be triggered either by differential pressure or based on a manually adjustable fan operating time

Controller

Control and monitoring

The Free-Air units are monitored and controlled by the C102 microprocessor. Comfort air conditioning units can be integrated in the existing air conditioning system and also actuated by the C102 controller.

  • The integrated relays enable the C102 to control and monitor up to two connected comfort air conditioning units
  • It directly measures the energy consumption of the Free-Air units and records the operating hours of the comfort air conditioning units
  • It provides backup ventilation upon failure of the main power supply or a fault in the comfort air conditioning units
  • 48 VDC power supply enables it to be used for emergency backup ventilation 
  • Monitoring: ModBus onboard, further protocols via WIB 1000

WIB 1000

WIB 1000 is user-friendly and offers easy data exchange, monitoring and worldwide suitability.

  • Ongoing retrieval of data from the controller
  • Ethernet interface
  • Easy connection to existing building management system
  • Simultaneous HTTP and SNMP
  • Easy, fast configuration from a laptop
  • Compatible with all common BMS systems
  • Communication via SNMP and HTTP IP protocols

 

 

Downloads

Downloads

  • STULZ Telecom Line Brochure


    Air conditioning for base stations
    of cell phone networks

    • File: STULZ_Telecom-Line_Brochure_1215_en.pdf

    • Type: Adobe PDF

    • Size: 7,34 MB

    • Language: English

    • Date: 2015-12-01

    download
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  • Kontakt

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    IZ NÖ Süd, Str. 15, Obj. 77 Stg. 4 Top 7

    2355 Wr. Neudorf

    Telefon: +43 1 615 99 81-0

    Telefax: +43 1 615 99 81-80

    info(at)stulz.at

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