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Energy analysis This data can even be uploaded to a VLT® Energy Box – PC software that performs in-depth real life/true energy analysis of your application and dis- plays the payback time for the drive. Energy monitoring The VLT® HVAC Drive provides a com- plete range of energy consumption information. Choose to divide absolute energy consumption into hours, days or weeks. Or choose to monitor a load profi le for the application. Flow compensation

VLT® HVAC Drive FC 100 - 88 unleashes the full potential of HVAC

Signifi cant energy savings and reduc- ed installation costs are provided by fl ow compensation in both fan and pumps systems. A pressure sensor mounted close to the fan or pump provides a reference enabling pressure to be kept constant at the discharge end of the system. The drive constant- ly adjusts the pressure reference to follow the system curve. Automatic Energy Optimisation The standard feature AEO provides optimized motor magnetisation at all speeds and loads.This increases energy effi ciency by 5-15% at partial loads. Stand-alone unit VLT® HVAC Drive provides intelligent stand-alone functionality via: • Built-in Real Time Clock • Programmable actions • Smart Logic Controller • 4 auto-tuned PID controllers. Real Time Clock
Temperature [C]Temp. 4Temp. 1Temperature [C]Temp. 3Temp. 2Temp. 1Time/h Time/h Saturday and SundayMonday to Friday Real Time Clock can be used to adjust building comfort to demands that change over the week. 9 14 17 20 6 9 11 13 17 20 The VLT® HVAC Drive has an award winning Local Control Panel and a well-structured menu system that ensures fast commissioning and trouble-free operation of the many powerful functions.The VLT® HVAC Drive can be remote commissioned and monitored through a USB pluggable cable or BMS network communications. VLT® Set up Software MCT 10 and Language Changer make drive operation child’s play. 5