supply and installation of vrf air conditioner system for 1st and 2nd floor banquet halls & split air conditioner system for four nos. guest room, office room & lounges at mezzanine floor level of community centre – i, aa-ic, new town, kolkata -supply and installation of vrf air conditioner system for 1st and 2nd floor banquet halls and split air conditioner system for four nos. guest room, office room and lounges at mezzanine floor level of community centre-1 1393 / nkda / engg-36 / 2010-xii -supply and installation of vrf air conditioner system for 1st and 2nd floor banquet halls and split air conditioner system for four nos. guest room, office room and lounges at mezzanine floor level of community centre-1 , supply, installation, testing and commissioning of 415v -3ph-50hz variable refrigeration system, 100% inverter scroll compressor, air cooled condenser, protective coated fins, refrizent cooled pcb, modular type, r410a and other strandard accessories. make- daikin / mitsubishi heavy / o general / blue star / carrier / trane , i ) 20hp , ii ) 16hp , supply, installation, testing and commissioning of variable refrigerent flow 230v-1ph-50hz wall mounted unit comprising of coil, filter, fan section including all accessories. , 2.0tr / 2.5tr , supply, installation, testing and commissioning of 3star / 5star rated of 230v-1ph-50hz split indoor units comprising copper condenser with fully inverter driven compressor including accessories.make- daikin / mitsubishi heavy / o general / blue star / carrier / trane , 1.5tr , 2.0tr , supply of remote controller , supply of y / t joints / distribution as oem strandard , supply, installation, testing and commissioning of the following sizes cu. refrigerant pipes duly insulated with close cell elastometric nitrite rubber insulation between each set of outdoor and indoor units. the pipes should be suitable for r -410a gas ( vrf ) . , 34.9mm outer dia with 19 mm thick insulation. , 28.6mm outer dia with 19 mm thick insulation. , 25.4mm outer dia with 19 mm thick insulation. , 22.2mm outer dia with 19 mm thick insulation. , 19.1mm outer dia with 19 mm thick insulation. , 15.9mm outer dia with 13 mm thick insulation. , 12.7mm outer dia with 13 mm thick insulation. , 9.5mm outer dia with 13 mm thick insulation. , supply, installation, testing and commissioning of pvc pipe medium class ( for drainage of water from idu ) with 12 mm thick nitrile rubber insulation , 32mm nb , 50mm nb , control & communication cablingbetween odu and idu as per oem specification. , ms angle structure for split units