tender for supply and installation of 03 nos. air conditioners machine, split type at the department of mechanical engineering, jadavpur university main campus kolkata 700032. , air condition machine , ? 2.0 ton capacity a.c. machine ? make 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 , ? 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.