HVAC System for Tunnels

  • Overview
  • Related products
  • Related applications

Safe travels

Danfoss AC drives work with the complex HVAC systems in underground subway and train services as well as road tunnels. Providing reliable operation of cooling, ventilation and safety systems, our solutions ensure pollution-free and safe environments for millions of passengers the world over.

  • Ensures continued operation of smoke extraction fans in the event of a fire
  • Multi-zone feature allows for independent speed controls and airflow directions
  • Secure uptime with condition-based monitoring
  • Continuous control of motor cable connection to motor even in standby
  • State-of-the-art EMC performance even with long motor cables

Related products

  • Enhanced VLT® HVAC Drive FC 102
    VLT® HVAC Drive FC 102

    This tough and savvy FC102 drive enhances pump and fan applications in building management systems, and runs outdoors in most climates.

  • VLT® Refrigeration Drive FC 103
    VLT® Refrigeration Drive FC 103

    FC103 is dedicated to controlling compressors, pumps and fans for significant energy savings in refrigeration plants.

  • DrivePro® Life Cycle
    DrivePro® services

    Improve uptime and get the most out of your AC drives and VFD applications, with DrivePro® services for VLT® and VACON® drives. 

  • DrivePro® Life Cycle Services

    Every AC drive application is different.

    DrivePro® Life Cycle Services is a collection of tailor-made products designed around your needs.

    From optimized spare part packages to condition-monitoring solutions, customize our products to support your business through the different stages of your AC drive’s life cycle.

  • DrivePro® Start-up

    Take the complexity out of commissioning with DrivePro® Start-up’s full range of health checks and adjustments. Our DrivePro® experts inspect and test your AC drive and motor performance to ensure the best configuration of your AC drives.

Related applications

  • Drives for fans
    Drives for fans in commercial buildings

    With user-friendly interfaces, distributed intelligence and reduced power consumption, Danfoss AC drives optimize the performance of fans.

  • Drives for pumps in commercial buildings
    Drives for pumps in commercial buildings

    Protect your pump and optimize commercial ventilation and air conditioning performance using AC drives.