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Drives: Danfoss

Danfoss-03-12-2012-body.jpgThe new VLT® HVAC basic drive is designed to deliver optimized price/performance ratio in basic fan and pump applications.

Danfoss VLT Drives has introduced the VLT® HVAC Basic Drive — a robust VSD solution that delivers highly reliable HVAC performance for basic fan and pump operations. VLT HVAC Basic Drives minimize wear on HVAC equipment and maximize system uptime, while reducing HVAC system operating costs up to 15%. These drives are available in 3 x 200 — 240 V, 0.25 — 45 kW; 3 x 380 — 480 V, 0.37 —90 kW; and 3 x 525 — 600 V, 2.2 — 90 kW configurations, with IP 20 or IP 21 enclosures, to satisfy a range of power and protection needs. 

“In some fan and pump operations advanced drive features are unnecessary and, because they are superfluous, simply add to overall costs. The VLT HVAC Basic Drive is an ideal solution that strikes the optimum balance between price and variable speed drive performance in these straightforward HVAC installations,” says Ed Smith, OEM sales manager.

Leveraging the latest technological advancements in power electronics, the VLT HVAC Basic Drive is the most compact drive in its class and with its specifications to reduce panel space requirements.  Numerous built-in features reduce, and in some applications may even eliminate, the need for additional external equipment such as gateways, PI controllers and PLCs. An Automatic Energy Optimizer function reduces energy consumption by up to 15%, while “sleep mode” functionality can help further reduce operating costs and extend drive life. Bypass frequencies minimize operating noise, vibration and resonance issues.

VLT HVAC Basic Drives also feature a “start up wizard” that makes drive set-up fast and simple, and easy tool access further aids fast and effective commissioning and operation.  A robust single-piece enclosure provides reliable, maintenance-free operation in ambient temperatures up to 50° C, with no external cooling required. A unique cooling concept provides problem-free performance, even in harsh environments, without forced air flowing over the electronics.

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