supply and installation of 02 nos. 2.0 ton and 2 nos 1.5 ton split ac at the infu server room jadavpur university main campus kolkata , spilit ac , 2.0 ton capacity a.c. machine single phase 230 volts, 50 hz make 3 star rating wall mounted split type a.c. machine complete set 100% copper condensor coil led display antidust filter , 1.5 ton capacity a.c. machine single phase 230 volts, 50 hz make 3 star rating wall mounted window type a.c. machine complete set 100% copper condensor coil , standard installation charges for 2.0 ton split room a.c. machine with, supply and laying of copper refrigerant piping with insulations, electrical power cable etc. , standard installation charges for 1.5 ton split room a.c. machine with, supply and laying of copper refrigerant piping with insulations, electrical power cable etc. , less: buy back (-)