repair maintenance of AC Units (WTAC / STAC), Water Coolers in Meera Bai Institute of Technology Maharani Bagh New Delhi. (SH:-Servicing & Routine Maintenance of Air Conditioners) (67Nos). (2) RMO AC Units (WTAC / STAC), Water Coolers in Circle Office South East & South at Visheswarya Flyover Sukhdev Vihar, New Delhi. (SH:-Servicing & Routine Maintenance of Air Conditioners)(08Nos) , servicing of existing installed wtac / stac / cgac of 1 . 5 tr & 2 . 0 tr capacity ac & water coolers of 80 / 150 / 250 lph , checking for unit , inspection greasing , oiling etc . i / c chemical cleaning of condensing & cooling coil with high pressure pump changing the air filter , checked & tightening all electric connections , testing the machine etc . as reqd . ( tentative service period from 10 . 03 . 21 to 30 . 03 . 21 ) . , supply & charging r-22 / 410 / 407 / 32 / 134a gas in the existing wtac / stac / of 1 . 5 / 2 . 0 tr unit i / c pressure testing , flushing the system and gas charging complete as reqd . , replacement of following capacity compressor in the existing wtac / split ac making copper pipe connection , brazing pressure testing and supplying and charging refrigerant gas i / c cutting the copper piping dismantling of the old compressor complete as reqd . ( make:- hitachi / whirlpool / kirloskar as per compatibility of air conditioner ) , a ) 1 . 5 tr , b ) 2 . 0 tr , providing & replacement wtac / stac / ctac fan motor capacity 1 / 4 to 1 / 8 hp including dismantling the burned motor from the existing unit & fixing of new motor , making connections testing , commissioning etc . as reqd . ( make:- lg / voltas / as per compatibility of air conditioner ) , supplying & fixing 25 mm diameter pvc heavy duty pipe for drainage in the existing split type ac unit with supporting clamps etc . complete as reqd . ( make :- polycab / finolex / akg ) , supplying , fixing , testing & commissioning of interconnecting copper refrigerant pipe of size of 1 / 4 discharge side & 1 / 2 suction side from indoor unit to outdoor unit alongwith closed cell nitrite rubber insulation as per specification properly supported with clamps etc . complete as reqd . ( make :- mandev / malaysia ) , providing and fixing of ( 3x2 . 5 sq . mm ) pvc insulated & pvc sheathed copper conductor circular flexible cable and commissioning etc . as required . ( make:-finolex / rr kable / skytone / havells / polycab / ralison / bencab ) , relocating of existing installed stac of 1 . 5 tr & 2 . 0 tr capacity with outdoor unit , from its location to another location , i / c testing & commissioning etc . as required . , supplying and replacement of following defective spare parts in the existing ac unit i / c connection testing etc . complete as required . ( dismantle material retained by contractor ) ( make:- shiva / tibkon / shrada / havells ) , a ) running capacitor - 36 mfd / 45 mfd , b ) starting capacitor- 80 / 100 mfd , repair of damaged pcb of indoor & outdoor unit including tightening the loose connection , testing the machine etc . as reqd . , supplying & replacement of remote control system with remote ( wireless / with wire remote ) in the existing installed window / split type ac i / c all interconnection , testing & commissioning complete as reqd . ( l . g / azure / voltas or different suitable make ) , supplying & replacement of wornout / defective copper condenser coil with same size of design suitable for following capacity split type ac outdoor unit i / c breezing the all copper pipe with all distribution joints of make sure the connection with capillary tube linking dryer duly proper etc pressure testing leak detection , vaccumizing the unit , gas charging etc complete as reqd . ( dismantle retained by contractor ) , a ) 1 . 5tr capacity , providing , fixing suction / discharge valve of 5 / 8 inch and 1 / 4 inch of split air conditioner unit including brazing the valve with compressor suction and discharge line etc . as required . , supplying & replacement of following capacity split type ac indoor unit i / c testing , commissioning etc . as required . , a ) 1 . 5 tr , b ) 2 . 0 tr , supplying & replacement of following capacity split type ac outdoor unit . , a ) 1 . 5 tr , b ) 2 . 0 tr , comprehensive & routine maintenance of wtac / stac / unit and water cooler i / c attending day to day complaints from 9am to 5pm and rectifying the defects , supplying & replacement of worn out parts such as capacitors , starting relays , selector switches , sleeves , knobs , front grills connectors etc . which required to be replace during routine maintenance & monthly cleaning of filters etc . ( replacement of compressor , condenser fan , blower , fan / blower motor , coils , main lead , gas charging etc . not covered under routine maintenance ) complete as per terms & condition and direction of engineer-in-charge . ( 75 nos . x 7 months= 525nos ) ( note:- the comprehensive maintenance will start after 15days of servicing of acs ) , credit for dismantle material . , a ) worn out 1 . 5 / 2 . 0 tr capacity compressor , b ) burn out fan motor 1 , 1 / 2 , 1 / 4 , 1 / 8 , , c ) refrigerant copper pipe , d ) worn out condenser coil , e ) running / starting capacitors , f ) split type ac indoor unit 1 . 5 / 2 . 0tr , g ) split type ac outdoor unit 10 . 5 / 2 . 0tr , h ) suction / discharge valve
