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| 1 | Supply, Installation, Testing and Commissioning of Modular Type outdoor units, equipped with Highly Efficient Scroll, all Inverter Compressor(s), special heat exchanger, Y- branch as required, outdoor unit support, auto check function for connection error, auto address setting, Refrigerant temperature control and capacity as mentioned below. VRV/VRF System shall be suitable for working on 48 °C ambient temperature, Refrigerant R 410A. The unit price shall be inclusive of full charge of Refrigerant Gas & Oil, Freight, Insurance etc. as applicable in INR. having the unit shall have feature to automatically modulate the evaporative temperature between 6 deg C to 11 deg C with respect to load for better comfort and energy efficiency. The fan static pressure of the outdoor unit shall be more than 75 Pa to avoid hot air recirculation. The PCB Chamber of the outdoor unit should be refrigerant cool. Outdoor Units12 HP |
| 2 | Indoor units (Nominal capacity)Cassette Units4.0TR |
| 3 | 2.0TR |
| 4 | Refrigerant \"Y\" Joint Required for distribution of refrigerant in copper piping etc. complete as per specifications |
| 5 | Lifting Shifting Installation, Testing & Commissioning of air cooled variable refrigerant flow modular type condensing units, each comprising of 100% inverter scroll compressors, full charge of refrigerant gas (R-410a), lubricating oil and all accessories as per the specifications. The condensing units shall be suitable to work in both cooling and Heating mode. The condensing units shall be suitable for operation on 415 ± 10% volts, 50Hz, 3 phase AC power supply andthe condensing units shall be of following capacities.Outdoor Units Outdoor Condensing Units 12 HP |
| 6 | Indoor Units CassetteUNIT 4.0TR |
| 7 | CassetteUNIT 2.0TR |
| 8 | Commissioning of VRF system including topping R-410A gas as per site requirements |
| 9 | Supply, Installation, Testing &Commissioning of high-pressure copper refrigerant piping suitable for R 410a refrigerant of following size as required and duly insulated with 19mm/13mm thick closed cell elastomeric nitrile rubber insulation in tubing form. External Refrigerant piping shall be laid on the existing GI covered cable trays. Piping inside occupied spaces shall be supported by using Supplying & fixing of suitable M S hangers duly painted with black enamel paint.Entire refrigerant piping work be carried outinaccordance withthe specifications.34.9 mm dia /19mm thick insulation |
| 10 | 28.6 mm dia /19mm thick insulation |
| 11 | 19.05 mm dia/19 mm thick insulation |
| 12 | 15.9 mm dia/13 mm thick insulation |
| 13 | 12.7 mm dia/13 mm thick insulation |
| 14 | 9.5 mm dia/13 mm thick insulation |
| 15 | Condensate Drain Piping25mm dia |
| 16 | CIVIL WORKMs Stand and caging For Condensing unit |
| 17 | Core Cutting size 50mm to 75mm |
| 18 | Control & Transmission WiringSupplying & drawing control cum transmission cable of size 2 core x 1.5 sq mm, copper conductor PVC insulated PVC sheathed unarmoured in the existing steel /PVC conduits pipes between indoor and outdoor unit including making connections at both ends etc. complete as required. |
| 19 | Credit for retaining the old 2TR split type AC Units |
