bids are invited for general servicing of 1.5, 2.0 tr split type a. c machines - general servicing of 1.5/2.0 tr split type a/c machines(indoor & outdoor unit ) as per direction of the engineer-in-charge. , general servicing of 3.0,4.5,5.5tr split cassetetype a.c machines - general servicing of 3.0/4.5/5.5tr split /cassetetype a/c machines (indoor & outdoor unit ) as per direction of the engineer-in-charge. , leak testing of condenser & evaporator unit 1.5, 2.0 tr capacity split and casettea.c - leak testing of condenser & evaporator unit for performance and presure testing etc for 1.5/2.0 tr capacity split and casette type a/cs and repair with brazing as per direction of the engineer-in-charge. , leak testing of condenser & evaporatorfor 3, 4.5, 5.5 tr capacity split, cassetea.c - leak testing of condenser & evaporator unit for performance and presure testing etc for 3/4.5/5.5 tr capacity split/ cassete type a/cs and repair with brazing as per direction of the engineer-in-charge , charging fresh refrigerant gas (r 22, r 32) for 1.0,1.5,2.0 tr a.c - charging fresh refrigerant gas (r-22/r-32) for 1.0/1.5/2.0 tr capacity splittype a/cs as per direction of the engineer-in-charge. , charging fresh refrigerant gas (r 410) for 3,4.5,5.5 tr a.c - charging fresh refrigerant gas (r-410) for 3/4.5/5.5 tr capacity split and cassette type a/cs as per direction of the engineer-in-charge , providing fitting and fixing of hermetically sealed compressor for 1.5 tr a.c - providing fitting and fixing of hermetically sealed compressor for 1.5 tr capacity split type a/c in replacement of defective one as per direction of the engineer-in-charge (with 1 year warranty) , providing fitting and fixing of hermetically sealed rotary compressor for 3,4.5, 5.5 tr a.c - providing fitting and fixing of hermetically sealed rotary compressor for 3/4.5/5.5 tr capacity split type and cassete typea/c in replacement of defective one as per direction of the engineer-in-charge (with 1 year warranty) , pr