supply of supply, installation, testing and commissioning of ceiling mounted 4 way cassette type split air conditioner (cooling only), capacity: 4.0 tr(48000 btu/hr)supply, installation, testing and commissioning of ceiling mounted 4 way cassette type split air conditioner (cooling only), capacity: 4.0 tr(48000 btu/hr),supply, installation, testing and commissioning of ceiling mounted 4 way cassette type split air conditioner (cooling only), capacity: 4.0 tr(48000 btu/hr), 415 v, 3 ph, 50 hz, technology: inverter type,(lowest energy consumption) with 100% copper pipe, power cable of suitable size, including standard accessories supplied with complete unit. warranty : 1 year on machine, 10 years on compressor. make: voltas or carrier or lg or hitachi or daikin. [ warranty period: 12 months after the date of delivery]