tender for supply and installation of 04 nos. air conditioners machine, split type at the school of languages and linguistics, jadavpur university main c us kolkata 700032 , air condition machine ,  2.0 ton capacity a.c. machine  make 2/3 star rating  non inverter split type a.c. machine  complete set  refrigerant : r32  100% copper condenser coil  ambient operation upto at least 500 c  1 year comprehensive warranty  brand: voltas / carrier / blue star ,  standard installation charges for 2.0 ton split type room a.c. machine with, supply and laying of copper refrigerant piping with insulations, electrical power cable etc.