Supply, installation, testing and commissioning of air conditioning units accessories/components for various MTNL sites in Mumbai region

Amount

Supply, installation, testing and commissioning of compressor of following type and rating, suitable to operate on single phase 220V +/-10%, 50Hz or three phase 440V +/- 10%, 50Hz a.c. supply for package/ductable/multi-split/split/window a.c. units including flushing of whole system and pressure testing with nitrogen gas, vaccumzing & charging with proper refrigerant complete as required. (Note: Additional quantity of refrigerant, if any, supplied by the agency shall be measured separately).

3.75TR to 5.5TR scroll/hermetic sealed reciprocating compressor

2.0TR inverter compressor

1.5TR inverter compressor

2.0TR/1.5TR non-inverter compressor

Supply, installation, testing and commissioning of following accessories for different type of a.c. units complete as required:

Ball bearing or gunmetal bush for blower motor of Package type AC units (5TR or above)

Ball bearing or gunmetal bush for condenser fan motor of Package type AC units (5TR or above)

Ball bearing or gunmetal bush for blower motor of ductable type AC units (5TR or above)

Ball bearing or gunmetal bush for condenser fan motor of ductable type AC units (5TR or above)

Blower motor for Package AC units (5TR or above)

Blower motor for Ductable AC units (5TR to above)

Condenser fan motor for Package AC units (5TR or above)

Condenser fan motor for Ductable AC units (5TR or above)

Condenser fan blade for Package type AC unit (5TR or above)

Blower shaft for Package AC unit (5TR or above)

V-belts for Package AC unit (5TR or above

Blower pulley / motor pulley for package AC unit (5TR or above)

Dryer for package/ ductable AC units (5TR to 8.5TR)

Contactors of compressor/blower (upto 25 Amps.) for Package AC units including electrical connections.

overload relay of compressor/ blower for Package AC unit

single phase preventor for Package/Ductable AC units including electrical connections.

LP Switch/HP switch for package/ductable AC units

thermostat for Package/Ductable AC units

ON-OFF Switch/Rotary switch for Package/Ductable AC units

PCB for ductable a.c. units of 5TR to 8.5TR

Synthetic fibre media washable filters with frame (Efficiency 90% down to 20 microns) for ductable a.c. unit

Synthetic fibre media washable filters with frame (Efficiency 90% down to 20 microns) for package a.c. unit

Synthetic fibre media washable filters with frame (Efficiency 95% down to 5 microns) for package a.c. unit

Supply, installation, testing and commissioning of Ball bearing or gunmetal bush including rewinding for blower motor (3 phase/ single Phase) for package AC units complete as required.

blower motor up-to and including 3 hp rating

blower motor above 3hp rating

Supply, installation, testing and commissioning of Ball bearing or gunmetal bush & rewinding for condenser fan motor (3 phase/ single Phase) for following type of AC units complete as required

Package AC units (5TR or above)

Ductable AC units (5TR or above)

Supply, installation, testing and commissioning of thermostatic expansion valve for package/ductable AC units of 5TR to 7.5TR including flushing of whole system and pressure testing with nitrogen gas, vaccumzing & charging with proper refrigerant complete as required. (Note: Additional quantity of refrigerant, if any, supplied by the agency shall be measured separately)

Supply, installation, testing and commissioning of 10kA to 25kA, 415V, 4-Pole MCCB (63 Amps. To 100 Amps.) for Package/Ductable AC units including electrical connections complete as required.

Supply, installation, testing and commissioning of 10kA to 25kA, 415V, 3-Pole MCCB (32 Amps. To 40 Amps.) for Package/Ductable AC units including electrical connections complete as required.

Supply, installation, testing and commissioning of 5TR/5.5TR condenser coil including flushing of whole system and pressure testing with nitrogen gas, vaccumzing & charging with proper refrigerant complete as required. (Note: Additional quantity of refrigerant, if any, supplied by the agency shall be measured separately)

Supply, installation, testing and commissioning of 7.5TR/8.5TR condenser coil including flushing of whole system and pressure testing with nitrogen gas, vaccumzing & & charging with proper refrigerant complete as required. (Note: Additional quantity of refrigerant, if any, supplied by the agency shall be measured separately)

Supply, installation, testing and commissioning of evaporator coil for 5.0TR/5.5TR Package/Ductable AC unit (single/twin circuit) including flushing of whole system and pressure testing with nitrogen gas, vaccumzing & & charging with proper refrigerant complete as required. (Note: Additional quantity of refrigerant, if any, supplied by the agency shall be measured separately)

Supply, installation, testing and commissioning of evaporator coil for 7.5TR-8.5TR Package/Ductable AC unit (sinlge/twin circuit) including flushing of whole system and pressure testing with nitrogen gas, vaccumzing & & charging with proper refrigerant complete as required. (Note: Additional quantity of refrigerant, if any, supplied by the agency shall be measured separately)

Supply, installation, testing and commissioning evaporator coil for 10.0TR Package AC unit (twin circuit) with the help of brazing set including flushing of whole system and pressure testing with nitrogen gas, vaccumizing & commissioning of AC unit complete as required.

Supplying of chemical for evaporator coil/condenser coil and chemical-wash of evaporator coil and condenser coil of ductable/package AC unit complete as required.

Supply, installation, testing and commissioning of the following accessories for 2TRtr/1.5TR/1.0TR split AC complete as required:

Blower

Blower motor

condenser fan motor

condenser fan blade

Air filter

Supply, installation, testing and commissioning of blower the following accessories for 2TR/1.5TR/1.0TR window AC complete as required:

Blower motor

Air filter

Supplying of chemical for evaporator coil/condenser coil and chemical-wash of evaporator coil and condenser coil of split AC unit complete as required.

Supplying of chemical for evaporator coil/condenser coil and chemical-wash of evaporator coil and condenser coil of window AC unit complete as required.

Supply, installation, testing and commissioning of expansion device for split AC/Window AC unit including flushing of whole system and pressure testing with nitrogen gas, vaccumzing & charging with proper refrigerant complete as required. (Note: Additional quantity of refrigerant, if any, supplied by the agency shall be measured separately)

Supply, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for air-conditioning system, complete with fittings, with suitable supports, jointing/brazing including accessories, insulated with nitrile rubber tubular insulation for Suction and Liquid lines, all accessories as per specifications etc. as required:

6.4mm dia (OD)

9.5mm dia (OD)

12.7mm dia (OD)

15.86 mm dia (OD)

19 mm dia (OD)

22.2 mm dia (OD)

28.58 mm dia (OD)

Supply, installation, testing and commissioning of brass hand shut-off valve of suitable sizes for package a.c.units of 9TR/10TR complete as required.

Supply, installation, testing and commissioning of brass angle valve of suitable sizes for package a.c.units of 9TR/10TR complete as required.

Supply, installation, testing and commissioning of capacitor of suitable rating for condenser fan motor and compressor window/ split a.c.units i/c making connections etc. complete as required.

Supply, installation, testing and commissioning of capacitor of suitable rating for condenser fan motor ductable/ package a.c.units i/c making connections etc. complete as required.

Supply, installation, testing and commissioning of 63mm dia dial (0-500psig) pressure gauge / (-30 to 150psig) compound gauge complete as required.

Supply and charging of R-22/R-410a/R-407c gas for top up of refrigerant in the AC units complete as required.

Johnson controls-Hitachi air conditioning India Ltd