bids are invited for annual maintenance service-air conditioner - all-inclusive annual comprehensive maintenance of vrv ac system (make: daikin) and comprising of all machineries of various capacities of indoor units & outdoor units, equipments installed in atc cum technical building i/c replacement of required accessories i.e. compressor, fan motor, heat exchanger, pcb, magnetic switch, transformer, remote control, sensor, air filters, valves, thermistor, condenser & evaporator coils and electrical components etc. along with arresting of leakage, refrigerant gas charging ,attending the breakdown to keep in serviceable condition all the time and periodic maintenance as per oem schedule. , all-inclusive comprehensive maintenance of the following capacity and type of all makes of air conditioner/inverter type ac units installed at different locations of airport including providing and replacing all necessary consumables, spares, compressors, refrigerant and all accessories including servicing etc complete as required as per special condition of contract. , dismantling, shifting, re-installation, testing and commissioning of capacity upto 1.5 tr to 2.0 tr for all make & type (split/cassette/tower/high wall) split air-conditioner unit including topping up refrigerant, supply of suitable ms/gi stand etc complete as required as per direction of eic. , supply & fixing of extra refrigerant copper tubing of suitable size for both suction and discharge along with nitrile/ polythene foam insulation for tubing covering and electrical cable of suitable size copper conductor from indoor to outdoor suitable for 1.5 tr to 2.0 tr air conditioner laying/ cl ing on surface, chiselling & making good of wall etc connection complete as per requirement of site. , supply and installation of 20mm hard pvc drain pipe with all accessories like bends, couplers, tees i/c chiselling, making good of wall or laying on surface etc as per site requirement complete as required. , supplying and fixing of 4 ways (4 + 12), double door ways surface/ recess mounting, vertical type, 415 volts, tpn mcb distribution board of sheet steel, dust protected, duly powder painted, inclusive of 100 s tinned copper bus bar, common neutral link, earth bar, din bar, detachable gland plate, interconnections including earthing etc. as required (but without mcb & incommer). , supply and fixing of 20 s, 240 volts, spn modular type, socket outlet, enclosed plug top along with 20 s c curve, sp, mcb, in sheet steel enclosure on surface or in recess etc complete with connections, testing and commissioning etc. as required. , spare parts of 1.5 ton split ac , sitc of pcb kit suitable for various make 1.5 ton capacity split ac for indoor unit as and when required and as per direction of eic. , sitc of swing motor suitable for various make 1.5 ton capacity split ac for indoor unit as and when required and as per direction of eic. , sitc of blower motor suitable for various make 1.5 ton capacity split ac indoor units as and when required and as per direction of eic. , sitc of condenser fan motor suitable for various make 1.5 ton capacity split ac for outdoor unit as and when required and as per direction of eic. , sitc of capacitor suitable for various make 1.5 ton capacity split ac for outdoor unit as and when required and as per direction of eic. , spare parts of 2 ton split ac , sitc of pcb kit suitable for various make 2 ton capacity split ac as and when required and as per direction of eic. , sitc of swing motor suitable for various make 2 ton capacity split ac as and when required and as per direction of eic. , sitc of blower motor suitable for various make 2 ton capacity split ac indoor units as and when required and as per direction of eic. , sitc of condenser fan motor suitable for various make 2 ton capacity split ac as and when required and as per direction of eic. , sitc of capacitor suitable for various make 2 ton capacity split ac as and when required and as per direction of eic. , supply of hand held remote control suitable for various make 2 ton/1.5-ton capacity split ac as and when required and as per direction of eic.