tender for supply installation testing and commissioning of air conditioner machine split and window type 100 percent copper 1.5tr, inverter type with remote controller to be installed in ground and first floor (buy back scheme) at department of atmospheric science, c.u. , sitc of3 star rating split air cinditioner machine 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 equivalent1..5tr , 1.5tr3 star window type 100% copper with remote 1noeach forroom no 110,112, 114 , incl all necy items such as wooden frame work etc make : same as above , providing 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 , supply 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.3 thickness 5-10 mm , s and f factoryfabricated ms structure for placing the 1.5tr capacity split outdoor uniton existing building. by ms fastner , s andf 4c flexib;e copper cable of 4sq.mm from indoor to outdoor unitc l.connection, commissioing testing etc as reqd , dismantling the existing ac machines as per wb govt labour rate) , less: buy back of the existing room air conditioner machines.