Tender For supply, installation, commissioning of "isi" marked self contained drinking water cooler of st orage capacity 150 ltrs. and cooling capacity 150 ltrs/hrs. operating on single phase ac 230 volt, vapour d riven compression type, energy efficient refrigeratingmachine having with "eco" friendly (non cfc refriger ant r-134) with air cooled condenser and rate of max. energy consumption: 1550 watts conforming to is: 1 475 (part-i) 2001 (reaffirmed 2007). [ warranty period: 30 months after the date of delivery ]