Attending day to day faults, repairing and maintenance of Split AC/WAC units at various Telephone Exchanges and mobile BTS sites under Koraput BA for the year 2025-26.

Distance up to and including 25Kms

Distance more than 25Kms and up to and including 50 Kms

Distance more than 50 Km and up to and including 100 Kms

Distance more than 100 Km and up to and including 150Kms

Distance more than 150 Km and up to and including 200Kms

Extra charges for carrying out the above activities for the additional Split AC/WAC units beyond the quantities as mentioned in item no. 1 above at same site/building or other site / building of the same station etc. as required.

General Servicing of Split AC /WAC units, by de-dusting the condenser and evaporator units with Blower & cleaning of the evaporator and condenser fins by brushes, cleaning the outer covers of indoor units, visual checking for any leakage at the blower and condenser units by applying soap water and tightening the flare nuts, putting end caps (if not available), checking the suction and discharge pressures and proper working of room temperature sensors / thermostats and remote handsets of the SAC/WAC units etc. complete as required (without cost of materials). Service reports as per Format - I duly signed by the Exchange/BTS/Bldg. in charge are to be submitted. (This item shall not be paid where item no. 4 is paid)

Water Servicing of SAC / WAC units by cleaning the evaporator and condenser cooling fins with soft brushes, washing and cleaning both the indoor and our units with cleaning agent and clean water, straightening the evaporator and condenser cooling fins by using suitable wire brushes, visual checking of any leakage in the evaporator and condenser coils, checking the pressure of refrigerant gas, checking the electrical connections and power outlet boxes, tightening etc. complete as required. (For WAC units performing complete removal from its position and refixing after water servicing). This activity shall normally be carried out once in a year. However, the frequency may be increased in case of dusty areas. (Not more than two times during a year). (This item shall not be paid where item no. 3 is paid)

Charging of Refrigerant gas R-22/R -407 / R -410 up to specified pressure for 1.5 TR WAC/ Split 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 / repairing of the faulty /damaged spare parts/accessories/components the SAC units by new ones of approved make and capacities/ ratings compatible for 1.5 TR Hitachi / LG /Voltas/Carrier/ Blue Star/ Godrej / Amtrex/ Usha/ Videocon/National make Split AC units of non-inverter & fixed speed type, star/non star models. i/c dismantling of the faulty ones and fixing the new ones, connection and testing etc. complete as reqd.

Running / Dual running Capacitor (36-50 / 4mfd, 440 volts) . Casing- Aluminium, IS:2993

Capacitor for Blower/Condenser motor, 2- 6mfd, 440 volts

Indoor unit Blower Motor, copper wound, 220-240V, 50Hz, 4 pole.

Indoor unit Blower Motor, copper wound, 220-240V, 50Hz. For Hitachi make AC units

Outdoor unit Condenser Motor, copper wound, 220-240V, 50Hz.

Outdoor unit Condenser Motor, copper wound, 220-240V, 50Hz. (For Hitachi make AC units)

Condenser Fan Blades for Split AC units

Condenser Fan Blades for Hitachi make Split AC units (3 wings)

Runner for 1.5 TR Split AC units .

Indoor unit PCB Card for Non-Inverter type 1.5 TR Split AC units.

Temperature sensor probe for Split AC units

Outdoor unit PCB for 1.5 TR Inverter Split AC unit

Remote Handset for Non-Inverter Split AC units (All models)

Remote Handset for Inverter Split AC units

Replacement / repairing of the faulty /damaged spare parts/electrical accessories of the WAC units by new ones of approved make and capacities/ ratings compatible for 1.5 TR Hitachi / LG /Voltas/Carrier/ Blue Star/ Godrej / Amtrex/ Usha/ Videocon/National make WAC units of non-inverter & fixed speed type, star/non star models. i/c dismantling of the faulty ones and fixing the new ones, connection and testing etc. complete as reqd.

Starting capacitor (80-120mfd, 440 volts). Casing- Aluminium, IS:2993

Motor for Window AC units, copper wound, 220-240V, 50Hz, 4 poles.

Fan Blades for 1.5 TR Window units.

Runner for 1.5 TR Window units.

Thermostat switch and probe for Window AC units

16/25/32 Amps SP MCB (C Class) (Legrand/Havells/L&T/Siemens)

16Amps 3 Pin Plug Top.

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

For Non Inverter Split AC units

For Inverter Split AC units

Replacement of faulty compressor of following types for Split AC /Window AC units by a new Compressor (copper) suitable for working with R22/R410A/R32 refrigerant and operation on 220 volts 1-phase, 50 Hz AC supply i/c removing the faulty one, disconnection and reconnection of refrigerant pipes, electrical connections testing etc. complete as reqd. (make-Emerson Copeland / Hitachi/ LG/ Mitsubishi/ GMMC). The faulty dismantled Compressor may be retained by the firm.

Rotary/Twin Rotary type Compressor suitable for 1.5 TR Split AC /Window AC units.

Dismantling the existing Split AC units i.e. indoor unit, outdoor unit, copper pipes, cables and starters etc. as required and shifting to the other rooms/storage locations of the same building etc. as required.

Installation , testing , & commissioning of 1.5 TR Inverter Split A.C. Unit , mounting / Fixing of indoor & outdoor unit ,fixing of refrigerant piping with expanded polythene foam insulation, suitable size PVC pipe in wall crossings, laying of cable for interconnections and laying drain pipe of standard length which is supply along with AC unit, minor civil work i/c making holes on wall for laying refrigerant pipe lines, control cable and drain pipes and closing the extra openings with cement sand, making good the damages etc. as reqd.

Replacement of damaged refrigerant pipe lines of Split AC units by new refrigerant copper pipe for suction & discharge line (size not less than 1/4" & 1/2" dia ) or as recommended by the manufacturer along with expanded polythene foam insulation i/c cutting, brazing /making joint etc as reqd. The measurement shall be taken on linear basis for one circuit which includes suction & discharge line & foam insulation.

Supplying & laying of following sizes PVC insulated & sheathed copper cable for electrical connection of indoor and outdoor units of ACs etc. as reqd. (Finolex/L&T/Polycab/Havells)

4 core 2.5sqmm

3 core 2.5sqmm

Providing and fixing of suitable size L- shaped powder coated MS bracket (2 nos. per set) for fixing of the outdoor unit of the split A/C units and fixing on wall with anchor bolts, drilling holes etc. complete as required.

Providing and laying of additional drain pipe of size 20mm dia PVC braided/ solid (M class-ISI) along with all accessories and fixing on surface of wall with PVC saddles (if required) suitable for drainage of condensate water etc. as reqd.