VLT® HVAC Drive
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MAKING MODERN LIVING POSSIBLE VLT® HVAC Drive For HVAC it has to be VLT® 1.5 mio VLT® HVAC Drives reliably perform tasks in HVAC systems. Rely on proven VLT® technology – now with PM motor control for efficient control of EC and IEC standard motors. 56% Energy use reduction in Mumbai’s VSNL building. ‘Only by using Variable Frequency Drives in the HVAC system could we achieve this target’ – General Manager VSNL, India. www.danfoss.com/drives

VLT® HVAC Drive provides the lowest life-time cost The VLT® HVAC Drive is the safe choice for fan, pump or compressor applications. It provides a high flexibility with regard to the site of installation, range of available bus systems, broadest HVAC control intelligence and functionality, and respects the building environment by offering the best EMC and harmonics behaviour on the market. nent magnet motors. It can log and record its own energy load profile for both the estimation and validation of actual energy savings. The HVAC Drive offers the highest efficiency solution with both...

High ambient temperature Fire Override Mode EMC & network protection The robust VLT® HVAC Drive is designed to work at maximum output in an ambient temperature up to 50° C. At higher temperatures, the drive will continue operation with lower performance. Fire Override Mode helps keep fire escape routes free of smoke, overrides the drive’s self-protecting features and keeps the driven equipment running as long as possible in the event of fire. Fully integrated EMC filters eliminate the cost of installing external EMC filters and secure the highest integrity & fully tested EMC performance....

VLT® HVAC Drives make your building green Expect optimisation Danfoss’ long experience in applying drives in HVAC systems has enhanced its ability to offer a “Best in Class” technical expertise in integrating the drive into the overall system design. This extracts the maximum value from your initial investment and optimizes the operational savings performance. The 21st Century focus on energy efficiency is not new with regard to energy saving, but the emphasis on the consequences of wasted energy and the over-use of fossil fuels to produce energy, is at the top of the agenda. Climate Change...

Reliable and cost effective Correct drive selection is critical to reliability. Products that introduce harmonics into a building can prove highly problematic and costly in addition to breaking legislative Danfoss' many years of experience in the application of VLT® drives and in the HVAC industry in particular, has resulted in a global team focused on delivering the best drives solution, ensuring total security of your Minimum impact Having chosen to fit a VLT® drive as part of the building control architec- ture, the lifetime sustainability of this product is an important aspect. New...

Danfoss VLT® HVAC Drive provides lowest cost of ownership ness and highest efficiency in daily operations with environmental sustainability. Total Cost of Ownership is an organization’s total cost of acquiring, operating and maintaining a system through a given lifecycle. Danfoss dedicated HVAC organization at your side Total Cost of Ownership includes initial acquisition cost and operating cost. Through its technology and experience, Danfoss can transform this into the “Benefit of Ownership”. Customer assurance stems from Danfoss’ dedicated and highly experienced HVAC support team. We...

Supporting software tool Software tools are available to help design a system with minimal harmonics and best energy efficiency. Protection mode As soon as the system detects a critical status, (e.g. over-current or overvoltage) the frequency of the VLT® HVAC Drive will automatically be reduced and the modulation process adjusted. Due to its ability to limit its switching operations, the VLT® HVAC Drive is extremely reliable and robust. The protection mode will – if allowable – end after 10 seconds and the frequency will be restored under control. Installed in an air conditioned switchroom,...

The modular VLT® HVAC Drive – not too much – nor too little The VLT® HVAC Drive is built on Danfoss’ modular concept. Real plug-and-play adding and exchanging of options. Just upgrade instead of buying a new drive. 1 – – – – – 8 Fieldbus option Advanced BACnet LonWorks Profibus PROFINET DeviceNet 5 1 2 3 2 Local Control Panel (LCP) Choose numerical, graphical or no display 9 4 3 I/O option – General Purpose I/O (3DI + 2AI + 2DO + 1AO) – Analog I/O option (3AI (0 – 10 V / PT1000 / NI 1000) + 3AO (0 – 10 V)) – Relay output (3 x relays) 4 24 V supply option 5 7 The modular design of the VLT®...

The VLT® HVAC Drive is hooked-up on your net The VLT® HVAC Drive integrates and communicates seamlessly with all HVAC devices, mastered by Building Management Systems via the fieldbus. HVAC-specific features make it economical, flexible and user-friendly and make HVAC operation simple. With VLT® HVAC Drive it is possible to read all the inputs and control all the outputs on I/O options. This means that when integrating a VLT® HVAC Drive into the control system it is possible to save by requiring fewer physical I/O points. Improve system performance VLT® HVAC Drive uses limited network...

VLT® HVAC drives – optimized for installation in panels IP 20/Type 1 enclosures The installation volume and/or the mounting surfaces are reduced by up to 60% compared to the previous VLT® series. The functionality nevertheless fulfills the highest requirements even for applications with high overload, long motor cables and ambient temperatures up to 50° C (55° C with derating). Optimized design Optimized efficiency and intelligent cooling technology make for a compact and service-friendly design. Supplementary equipment such as EMC filters, harmonics suppression and brake modules are...