bids are invited for procurement and installation of lg make out door units of vrf system under buyback - lg make hvac vrf vrv system , 28, 58 mm dia with tube thickness 1 mm with 19 mm thick insulation , 19 mm dia with tube thickness 1 mm with 19 mm thick insulation , 15, 86 mm dia with tube thickness 1 mm with 19 mm thick insulation , 12, 7 mm dia with tube thickness 0, 8 mm with 13 mm thick insulation , 9, 5 mm dia with tube thickness 0, 8 mm with 13 mm thick insulation , pvc conduit along with accessories25 mm dia , 2 tr split type ac unit with scroll compressor, cooling type , minimum 3star lg make , scheduler for server room split units , providing anti corrosive laquar paint on coil base and upper portion of existing outdoor of vrv , sitc of centralized controller for vrf, vrv type air conditioners total quantity : 164