Affinity is Control Techniques? dedicated HVAC drive, designed specifically to meet the needs of consultants, contractors and owners of modern commercial buildings, a comprehensive product line incorporating special drive functionality and accessories to simply and efficiently solve your HVAC applications. Affinity is available with IP21 and IP54 environmental protection. Supply Chain Drive for a sustainable future Affinity addresses the challenges for both today and the coming years, it is created with more than 30 years of industrial and commercial drives experience and draws on new research that considered the issues and trends that will affect you and your customers now and in the future. Affinity embeds the features you need to be at the forefront of building technology in relation to sustainability, reliability, communications and performance. Affinity HVAC Drive A complete HVAC solution Affinity includes all of the features you would expect from a dedicated HVAC drive, plus more: * Fireman?s Mode for building occupant safety * Integrated DC Link Reactors and EMC filters * Free software tools for: o Energy saving calculations o Harmonic analysis o Commissioning and monitoring * Onboard controller and real-time clock: o Enables increased control system redundancy for critical equipment o Reduces costs and improves performance for OEMs o Simplicity in small HVAC systems where a full Building Management System is not required * Motor pre-heat for preventing condensation forming * High Switching frequency to 16kHz for quiet motor operation * Two PID loops (e.g. temperature or pressure control) * Sleep / wake mode * SmartCard data storage for back-up and copying of drive configuration * Pluggable terminals for simple installation and maintenance * Low load detection to sense mechanical problems such as a broken drive belt * Easy connectivity: o BACnet , Metasys N2, Modbus, Lonworks*, Ethernet*, DeviceNet*, PROFIBUS*, Additional I/O*