supply, installation, testing and commissioning of ac machines to be installed at the lab of prof surekha kundu r/no 318,315 department of botany ,35 b.c. road under university of calcutta. , supply, installation, testing and commissioning of3 star rating 1.5tr split air cinditioner machine inverter type with r32 gas including remote controller of following capacity suitable for operation on 230v +/- 10% volt,50hz single phase ac supply with air cooled evaporator with copper coil,fan and fan motor.air cooled copper condenser, hermetically sealed copper compressor,propeller fan control panels incl wirings,necy power cable connections from unit to power socket,refrigerant pipe of appropriate size between indoor and outdoor unit upto 3 mtr length. both suction & delivery incl. gas charging,complete as required make ;necy ply wood board of 19 mm to be fixed for installation of the machine,duly painting as per wall colour.hitachi,daikin,blue star,voltas or equivalentproviding and fixing copper pipe with nitrile rubber insulation not less than 0.6mm thickness suitable size required for suction and return refrigerant with suitable insulation for above ac s complete in all aspects as required in excess of 3mtrs / machine inclsupply and laying 20mm dia isi markedflexiblepvc pipe along with accessories on surface of the wall to drain out condensate water from indoor unit5 to10mm thickness 3 dia. upto g/f drain. machine to be installed by s and f factoryfabricated ms structure for placing the 2.0 tr capacity split outdoor uniton existing building. by ms fastner&s andf 4c flexib;e copper cable of 4sq.mm from indoor to outdoor unit incl.connection,commissioing testing etc as reqd