Attending day to day faults, Repairing and Maintenance of 2TR /4 TR Cassette type AC units at BSNL Bhawan, unit-II, Ashok Nagar, Bhubaneswar For 2023-24.

Amount

Attending breakdown faults, physical Inspection of the Cassette AC units ,testing the units ,detecting the fault & assessing the list of materials for repairing the units, rectification of minor faults i/c replacement of spare parts such as condensers, relays etc as reqd. (without materials)

General Servicing of 2.0 /4.0 TR Cassette units i/c cleaning the air filters, de-dusting the condenser and evaporator coils with the help of Blower and water servicing etc complete as reqd. (cleaning solutions if required shall also be provided).

Charging of Refrigerant gas R-22/R -407 / R -410 up to specified pressure for 2.0 TR /4.0 TR Cassette AC units after leak testing , leak rectification i/c testing for proper cooling of the AC units etc. as reqd.

Top up of R-22 / R-407 /R -410 gas in existing Window A.C /Split A.C units, i/c testing etc. as required.

Replacement of faulty and un-serviceable condenser coil of 2 TR Cassette AC units (LG make) by a new one of reputed make, L-type copper condenser coil 20X30 inch, Type-A for ODU including dismantling the faulty one and fixing the new coil, brazing, soldering etc. complete as required.(LG/Godrej & Boyce/SS make) (Rate is after deducting the cost of dismantled materials)

Replacement of faulty compressor of 2 Ton Cassette AC unit by a new one of reputed make Rotary Compressor, 2Ton, 6705 watt, 230 volts, 50 Hz with robust design, low noise and higher cooling efficiency i/c dismantling the faulty/defective one and fixing the new compressor, connection of refrigerant pipes, brazing/soldering, making electrical connections, testing etc. as required. (LG/GMCC/Hitachi) (Rate is after deducting the cost of dismantled materials)

Replacement of defective/faulty condenser fan motor of 2 Ton Cassette AC unit of LG make by a new one of reputed make, thermally protected, 54 watt (1/15HP), 230 volt, 50 Hz, 900 rpm Capacitor motor (Capacitor 3Mfd,440V AC), connection, testing etc. as required. (Rate is after deducting the cost of dismantled materials)

Replacement of Capacitors for Cassette AC units by new ones of following ratings i/c connection, testing etc. as required.

50/4 µfd, 440V, 50 Hz for Compressors

3 µfd, 440V, 50 Hz for Fan motors

Replacement of Fan Blade for 2 TR Cassette AC unit by a new one i/c fixing, testing etc. as reqd.

Replacement of the the faulty /damaged Indoor unit PCB Card for 2.0 TR cassette AC units by new ones of approved make and capacities/ ratings compatible for 2.0 Tr. LG make Cassette AC units i/c dismantling of the faulty ones and fixing the new ones, connection and testing etc. complete as reqd.

Repairing of the electronic PCB card of the cassette AC indoor unit i/c replacement of defective parts & re-fixing the same in indoor unit ,testing etc as reqd.

MEERA ELECTRICALS