Annual maintenance contract of Air Conditioners installed at various locations in CSIR NEERI Nagpur

Amount

ANNUAL MAINTENANCE WORK OF HI WALL SPLIT/TOWER/DUCTABLE AIR CONDITIONERS - FIXED SPEED TYPE (Including Compressor): Annual maintenance work of Hi wall split/Tower/Ductable air conditioners - Fixed speed type, includes two preventive servicing (As per prescribed format), Free of cost supply and fixing of any required spare parts/material (Including Compressor) and repairing work related to breakdown maintenance of air conditioners, in order to maintain the air conditioner properly functional throughout the contract period, complete as required

HI WALL SPLIT AC (Fixed Speed), Cooling capacity: 1.0 TR (Make: VOLTAS, LLOYD, LG)

HI WALL SPLIT AC (Hot and Cold), Cooling capacity: 1.0 TR (Make: Mitsubishi Electric)

HI WALL SPLIT AC (Fixed Speed), Cooling capacity: 1.5 TR (Make: HITACHI, VESTAR, DAIKIN, VOLTAS, BLUE STAR, LLOYD, MITSUBISHI ELECTRIC, PANASONIC, LG, CARRIER, ELECTROLUX etc.)

HI WALL SPLIT AC (Hot and Cold), Cooling capacity: 1.5 TR (Make: VOLTAS)

HI WALL SPLIT AC (Fixed Speed), Cooling capacity: 1.8 TR (Make: DAIKIN)

HI WALL SPLIT AC (Fixed Speed), Cooling capacity: 2.0 TR (Make: HITACHI, VESTAR, DAIKIN, VOLTAS, BLUE STAR, LLOYD, PANASONIC, LG, CARRIER etc.)

HI WALL SPLIT AC (Fixed Speed), Cooling capacity: 2.5 TR (Make: MITSUBISHI ELECTRIC, HITACHI)

FLOOR MOUNTED/TOWER AC (Fixed Speed), Cooling Capacity: 2.0 TR (Make: CARRIER)

FLOOR MOUNTED/TOWER AC (Fixed Speed), Cooling Capacity: 3.5 TR (Make: BLUE STAR)

DUCTABLE AC (Fixed Speed), Cooling Capacity: 5.5 TR (Make: HITACHI)

DUCTABLE AC (Fixed Speed), Cooling Capacity: 8.5 TR (Make: VOLTAS)

ANNUAL MAINTENANCE WORK OF HI WALL SPLIT AIR CONDITIONERS-INVERTER TYPE (Excluding Compressor): Annual maintenance work of Hi wall Split air conditioners - Inverter type, includes two preventive servicing (As per prescribed format), Free of cost supply and fixing of any required spare parts/material and (Excluding Compressor) repairing work related to breakdown maintenance of air conditioners in order to maintain the air conditioner properly functional throughout the contract period, complete as required

HI WALL SPLIT AC (Inverter Type), Cooling capacity: 1.0 TR (Make: VOLTAS, OG Heavy Duty, HITACHI, LLOYD)

HI WALL SPLIT AC (Inverter), Cooling capacity: 1.5 TR (Make: DAIKIN, BLUE STAR, CARRIER, OG Heavy Duty)

HI WALL SPLIT AC (Inverter), Cooling capacity: 2.0 TR (Make: DAIKIN, CARRIER, BLUE STAR, IFB, HITACHI, VESTAR, LLOYD, EUREKA FORBES)

COPPER REFRIGERANT TUBE (With Insulation): Supply and fixing of brand new soft drawn (seamless) copper (Copper 99.9%) refrigerant tube as per following specificatios and as per BIS standards, including required size flair nuts and complete thermal insulation over copper piping using rubber nitrile insulation sleeve (Class-O type) of wall thickness minimum 6.0 mm with proper clamping of refrigerant piping using appropriate size clamps/Support as per site conditions and instructions given by the engineer. Note: Copper pipes should be compatible to the refrigerant gas R-32 and R-410a

Outside Dia. 5/8'' wall thickness 0.8 mm (minimum)

Outside Dia. 1/4'' wall thickness 0.8 mm (minimum)

Outside Dia. 1/2'' wall thickness 0.8 mm (minimum)

Outside Dia. 3/8'' wall thickness 0.8 mm (minimum)

FIXED SPEED ROTARY COMPRESSOR: Supply and fixing of brand new hermatically sealed fixed frequency rotary compressor suitable for Hi wall Split air conditioners as per following specifications including complete dismantling of existing defective compressor, electrical and mechanical work related to fixing of new compressor such as electrical wiring, brazing joints, replacement of capillary-filter, flushing-leakage testing using nitrogen pressure, including all accessories and testing, complete as required.

Cooling Capacity: 18000 BTU/Hr, COP: 3 or Above, 220 to 240 Volts, 1-Phase, 50 Hz and compatible to R-22 Refrigerant

Cooling Capacity: 24000 BTU/Hr, COP: 3 or Above, 220 to 240 Volts, 1-Phase, 50 Hz and compatible to R-22 Refrigerant

ANTIVIBRATION PADS: Supply and fixing of brand new anti-vibration pads made up of High quality rubber (Diameter Size: 50.0 mm O.D and 10.0 mm I.D, Thickness: 10.0 mm) at the base of condensing unit of air conditioner, complete as required and as per instructions given by the engineer.

SWING BLADE FLAP: Supply and fixing of brand new Swing Blade Flap set made up of plastic for the following make split air conditioners Inverter/Non inverter model Indoor unit: CARRIER, HITACHI, DAIKIN, VOLTAS, BLUE STAR, LG, VESTAR, LLOYD, IFB, PANASONIC etc. complete as required

DRAIN PIPE (RIGID UPVC) OUTSIDE DIA. 1/2'': Supply and fixing of brand new rigid UPVC drain pipe (as per Schedule 40) outside dia.1/2'' for drain water piping connections of air conditioner, including required fittings, clamping, adhesive for fixing joints as per site requirement and instructions given by Engineer. Make: ISI mark or any reputed make with prior approval of engineer CSIR-NEERI. Note: Maximum elevation of the piping outside building is 30.0 feet from ground level.

FAN BLADE: Supply and fixing of new fan blade for the following type of air conditioners as per existing fan blade material, size and shape suitable for the respective fan motor assembly including dismantling of existing fan blade, required accessories and testing, complete as required

Hi wall split AC, Cooling Capacity: 1.0/1.5 TR (Make:Voltas/Lloyd/LG/Daikin/Hitachi/Panasonic/Carrier/Blue Star/OG Heavy Duty etc.)

Hi wall split/Floor Mounted, Cooling Capacity: 2.0/2.5 TR (Make:Voltas/Lloyd/LG/Daikin/Hitachi/Panasonic/ Carrier/Blue Star/OG Heavy Duty etc.)

FAN MOTOR: Supply and fixing of a brand new Fan motor, Technical Specifications (for Fixed Speed AC): Power Supply: 220-240 V, Frequency: 50Hz, Power: 50 to 350 watts, RPM: 700 to 1000, Frequency: 50 Hz, Technical Specifications (for Inverter AC): Brushless DC motor, Power Supply: DC310 V, Power: 40 to 65 watts, RPM: 850 ±10%, 8 Pole, IP41 or as per existing fan motor specifications, in place of defective fan motor fitted in a outdoor unit of following type of air conditoners, including all mountings and accessories, testing of the same for proper functioning and complete as required

Hi wall Split Air Conditioner (FIXED SPEED) Cooling Capapcity: 2.0/2.5 TR Make: LG/HITACHI/LLOYD/CARRIER/DAIKIN/PANASONIC/ VOLTAS/BLUE STAR/MITSUBISHI ELECTRIC etc.)

Hi wall Split Air Conditioner (Inverter Type) Cooling Capapcity: 2.0TR Make: LG/HITACHI/LLOYD/CARRIER/DAIKIN/PANASONIC/ VOLTAS/ BLUE STAR/OG HEAVY DUTY/VESTAR etc.)

BLOWER MOTOR: Supply and fixing of a brand new Blower motor, Technical Specifications (for Fixed Speed AC): Power Supply: 208-240 V, Power: 25 to 35 watts, RPM: 650-1350, Frequency: 50 Hz, 4 Pole, Technical Specifications (for Inverter AC): Brushless DC motor, Power Supply: DC 140-165 V, Power: 15 to 45 watts, RPM: 1650, 8 Pole, IP41 or as per existing blower motor specifications in place of defective Blower motor fitted in a indoor unit of following type of air conditoners, including all mountings and accessories, testing of the same for proper functioning and complete as required

Hi wall Split Air Conditioner (FIXED SPEED) Cooling Capapcity: 2.0/2.5 TR Make:LG/HITACHI/LLOYD/CARRIER/DAIKIN/PANASONIC/VOLTAS/BLUE STAR)

Hi wall Split Air Conditioner (Inverter Type) Cooling Capapcity: 2.0TR Make:LG/HITACHI/LLOYD/CARRIER/DAIKIN/PANASONIC/ VOLTAS/BLUE STAR/OG HEAVY DUTY)

DUAL SECTION MPP RUNNING CAPACITOR: Supply and fixing of brand new dual section MPP running capacitor (Reference Standard :IS 2993/IEC 252), Burst Proof, DAT series, Three Output terminals marked with H, F & C) with cylindrical aluminium can construction of following capacity to the compressor fitted in outdoor unit assembly of air conditioner including removing of defective capacitor and required wiring connections for newly replaced capacitor along with other accessories as per standard procedure and complete testing of the same, complete as required

(45μF+4.0μF) ±5%, 50/60 Hz, 440 Vac

(50μF+4.0μF) ±5% 50/60 Hz, 440 Vac

(55μF+5.0μF) ±5% 50/60 Hz, 440 Vac

RUNNING CAPACITOR: Supply and fixing of brand new running capacitor as per following specifications and Sizes to replace defective capacitor of Fan/Blower motor of Air Conditioner includes removing of defective capacitor and required wiring connections as per standard procedure and testing of the same complete as required

Capacitance (µF): 1.5 ± 5%, Enclosure: Polypropylene Box, Dielectric: Polypropylene Film Metallization: Metalized PP Film, Construction: Dry Type, Terminal: PVC insulated multistrand copper wire, 440VAC, 50Hz, T- Max: 85⁰C

Capacitance (µF): 3.0 ± 5%, Enclosure: Polypropylene Can, Dielectric: Polypropylene Film Metallization: Metalized PP Film, Construction: Dry Type, Terminal: two terminals, Pin type, 440VAC, 50Hz, T- Max: 85⁰C

Capacitance (µF): 4.0 ± 5%, Enclosure: Polypropylene Can, Dielectric: Polypropylene Film Metallization: Metalized PP Film, Construction: Dry Type, Terminal: PVC insulated multistrand copper wire, 440VAC, 50Hz, T- Max: 85⁰C

Capacitance (µF): 6.0 ± 5%, Enclosure: Aluminium/Plastic Cylindrical Can, Electrode: Polypropylene Film, Dielectric: Polypropylene Film, Construction: Oil Filled, Top Sealing: Leak Proof, Terminal: PVC insulated multistrand copper wire, 440VAC, 50Hz, T- Max: 85⁰C

SUPPLY AND FIXING OF NEW PRINTED CIRCUIT BOARD (PCB) ASSEMBLY OF AIR CONDITIONERS (Indoor Unit): Supply and fixing of new printed circuit board assembly of Indoor Unit for the follwing air conditioners including dismantling of old defective PCB, and fixing of new printed circuit board (PCB) assembly along with any other accessories such as room temperature and coil temperature sensor, PCB transformer, Display Kit etc (if required), wiring connections of PCB and testing of PCB assembly to make it properly functional, complete as required HI WALL SPLIT AC, FIXED SPEED TYPE, Cooling capacity: 1.0/1.5/2.0/2.5 TR of any Make

BATTERY FOR REMOTE CONTROLLER: Supply of Alkaline Battery (Size: AAA), 1.5 Volts, for the use of remote controller of Air Conditioner.

REPAIRING OF PRINTED CIRCUIT BOARD (PCB) ASSEMBLY OF AIR CONDITIONERS: Repairing of defective printed circuit board assembly fitted in Indoor/Outdoor unit of follwing air conditioners including dismantling of old defective PCB and refixing of the same after completion of repairing work along with any other accessories such as room temperature and coil temperature sensor, PCB transformer, Display Kit etc (if required), wiring connections of PCB and testing of PCB assembly to make it properly functional, complete as required

HI WALL SPLIT AIR CONDITIONER (FIXED SPEED), Cooling capacity: 1.0/1.5/2.0/2.5 TR Make:Voltas/Lloyd/LG/Daikin/Hitachi/Panasonic/Carrier/ Blue Star/OG Heavy Duty

HI WALL SPLIT AIR CONDITIONER (INVERTER), Cooling capacity: 1.0/1.5/2.0 TR Make:Voltas/Lloyd/LG/Daikin/Hitachi/Panasonic/Carrier/ Blue Star/OG Heavy Duty

GAS CHARGING: Supply of refrigerant and complete gas charging work in following type of air conditioners as per required quantity & Pressure and standard practice for gas charging work including identification of gas leakage, rectification of leakage, flushing and leakage testing using nitrogen pressure, vaccume testing and complete as required.

HI WALL SPLIT AC (Cooling Capacity: 1.0/1.5 TR), Refrigerant: R-22

HI WALL SPLITAC (Cooling Capacity: 2.0/2.5 TR), Refrigerant: R-22

HI WALL SPLIT AC (Cooling Capacity: 1.0/1.5 TR), Refrigerant: R-32/R-410a

HI WALL SPLIT AC (Cooling Capacity: 2.0 TR), Refrigerant: R-32/R-410a

ADDITIONAL GAS CHARGING (TOP UP): Supply of refrigerant and additional gas charging work in following type of air conditioners as per required quantity & Pressure and standard practice for gas charging work, complete as required.

HI WALL SPLIT AC (Cooling Capacity: 1.0/1.5 TR), Refrigerant: R-22

HI WALL SPLITAC (Cooling Capacity: 2.0/2.5 TR), Refrigerant: R-22

HI WALL SPLIT AC (Cooling Capacity: 1.0/1.5 TR), Refrigerant: R-32/R-410a

HI WALL SPLIT AC (Cooling Capacity: 2.0 TR), Refrigerant: R-32/R-410a

DEFINITE PURPOSE CONTACTOR: Supply and fixing of single pole definite purpose magnetic contactor, FLA- 30A, Coil voltage 220 to 240 VAC, 50/60 Hz Quad (4) quick connect terminal on all and load terminals, Magnetic coil 120-130⁰C Class-B, Insulation Voltage above 600V, Vertical/Horizontal/Tabletop mounting in outdoor unit of air conditioner to control on/off operation of fan and compressor by removing old defective contactor, required wiring for new contactor and testing, complete as required.

DISMANTLING OF AIR CONDITIONER: Dismantling of air conditioner of following capacity as per standard pracitice recommanded by the AC manufacturer includes reuired pump down operation, dismantling of Indoor-Outdoor unit, complete copper piping and electrical wiring, Base plate of ID Unit and mounting stand of OD unit, Shifting of dismantled material as per instructions of Engineer, at any location of institute premises, complete as required

HI WALL SPLIT AC, COOLING CAPACITY: 1.0/1.5 TR

HI WALL SPLIT AC, COOLING CAPACITY: 2.0/2.5 TR

INSTALLATION OF AIR CONDITIONER: Installation of air conditioner cooling capacity: 1.0/1.5/2.0 TR as per standard pracitice recommanded by the AC manufacturer includes installation of Indoor-Outdoor unit at any location of institute premises and complete testing of air conditioner to make it functional.

WALL MOUNTING BRACKET: Supply and fixing of wall mounting bracket Material: High Strength Sheet metal, Length: 24 inch, Sheet Thickness: 2.0 MM, Duly Powder Coated and consisting of L.H-R.H Brackets and two mounting brackets with a provision of Slots/Holes for required fittings, Four Nos. of Nut & Bolt sets for fitting of Outdoor Unit on L.H-R.H brackets and Six nos. of Anchor Bolts for the fixing of mounting bracket on the wall, complete as required

INDOOR BLOWER: Supply and fixing of brand new indoor Blower (Material: Plastic) of suitable Size, Specifications and Design for the indoor unit of following type of Air Conditioners and testing of the same, complete as required For Hi Wall Split Air Conditioner, Cooling Capapcity: 2.0/2.5 TR, Non Inverter/Inverter Type, Make: DAIKIN, CARRIER, BLUE STAR, IFB, HITACHI, VESTAR, LLOYD, EUREKA FORBES etc.

SRVICE/CHECK VALVE: Supply and fixing of brand new service valve of following sizes and as per given technical specification, Body Material: High Grade Brass, duly fixed with copper pipe (Material: High Grade Copper) Length: 100.0 mm or More, consisting of four different sides i.e. one side for Valve Stem assembly to control the refrigerant flow, second side for Service Valve core assembly to check the system pressure or for Gas Charging, Third side for connecting copper piping with Indoor unit and Fourth side for connection with condenser side and required brazing work for fixing of the same and leakage testing, complete as required.

AMBIENT TEMPERATURE SENSOR: Supply and Fixing of new Ambient Temperature sensor with connector of appropriate size, Temperature Range: -40 to 105 Degree Celcius, Accuracy: ± 0.3 ° C, Resistance: 100 MOhms, Connector Material: PVC, Wire: PVC insulated Copper, Supply Voltage: 1.5 kV AC, Cable Length: 1.0 Meter or as per required specifications to replace existing A.T sensor of Hi wall Split Air conditioner Indoor Unit and testing of the same, complete as required

COIL TEMPERATURE SENSOR: Supply and Fixing of new Coil Temperature sensor with connector of appropriate size, Temperature Range: -10 to 80 Degree Celcius, Accuracy: ± 0.5 ° C, Size of Sensor: 0.5 x 2.5 cm, Connector Material: PVC, Sensor & wire: Copper, PVC insulated copper wire, Voltage: 90 V AC, Current output: 300 mA, Cable Length: 1.0 Meter or as per required specifications to replace existing A.T sensor of Hi wall Split Air conditioner Indoor Unit and testing of the same, complete as required

SWING MOTOR: Supply and fixing of new Swing Motor (Stepper type) operating on 12V DC supply along with connecting cables and PVC connectors of suitable size or as per size and technical specifications suitable for the indoor unit of following type of air Conditioner of any make and testing of the same for its proper functioning, complete as required

For Hi wall Split Air Conditioner Cooling Capacity: 1.0/1.5 TR (Inverter/Non Inverter Type), Make: DAIKIN, CARRIER, BLUE STAR, IFB, HITACHI, VESTAR, LLOYD, EUREKA FORBES, LG, MITSUBISHI ELECTRIC etc.

For Hi wall Split Air Conditioner Cooling Capacity: 2.0/2.5 TR (Inverter/Non Inverter Type), Make: DAIKIN, CARRIER, BLUE STAR, IFB, HITACHI, VESTAR, LLOYD, EUREKA FORBES, LG, MITSUBISHI ELECTRIC etc.

CONDENSER COIL: Supply and Fixing of new condenser coil made up of copper tube, duly covered with aluminium fins, Tube Dia.: 3/8'', Tube Thickness: 0.8 mm, No. of Coil Rows: Two, Shape of Coil: L-Shape Compatible to R-32 and R410a refrigerants or as per suitable size of existing condenser coil, including dismantling of defective condenser coil, required brazing work for fixing of new coil, replacement of capillary/filter set of suitable size and leakage testing complete as required to replace defective condenser coil of following types of Air Conditioners Hi wall Split Air Conditioner, Cooling Capacity: 2.0/2.5 TR, Inverter/Non Inverter, Make: DAIKIN, CARRIER, BLUE STAR, IFB, HITACHI, VESTAR, LLOYD, EUREKA FORBES, LG etc.)

RUBBER NITRILE INSULATION SLEEVE: Supply and fixing of brand new insulation, Material: rubber nitrile insulation sleeve (Class-O type) of following sizes, Wall thickness: 6.0 mm or more over copper refrigerant piping, complete as required and instructions given by the engineer.

Inside Dia. 5/8'' wall thickness 1.0 mm (minimum)

Inside Dia. 1/4'' wall thickness 0.8 mm (minimum)

Inside Dia. 1/2'' wall thickness 0.8 mm (minimum)

Inside Dia. 3/8'' wall thickness 0.8 mm (minimum)

ELECTRIC CABLE (Size: 2.5 Sq. MM, 3-Core): Supply and fixing of Industrial Flexible cable, Size: 2.5 Sq. MM, 3-Core, PVC Insulated and PVC Round Sheathed Multi Core, Bright Annealed Bare Copper Conductor (Multistrand) Heavy Duty Industrial Flexible Cables for Voltage Grade 1100 Volts conforming to IS: 694:2010 for the electrical connections of Air conditioner Indoor Unit with main power supply as per site conditiones and instructions of Engineer.

ELECTRIC CABLE (Size: 2.5 Sq. MM, 4-Core): Supply and fixing of Industrial Flexible cable, Size: 2.5 Sq. MM, 4-Core, PVC Insulated and PVC Round Sheathed Multi Core, Bright Annealed Bare Copper Conductor (Multistrand) Heavy Duty Industrial Flexible Cables for Voltage Grade 1100 Volts conforming to IS: 694:2010 for the electrical connections of Air conditioner Indoor Unit and Outdoor Unit as per site conditiones and instructions of Engineer.

Patel Engineering