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| 1 | Supply, Installation, Testing & Commissioning of Modular type Variable Refrigerant Flow/ Variable Refrigerant Volume air cooled Outdoor units suitable for cooling/heating having 100% hermetically sealed inverter type twin Rotary/Scroll Compressor(s),minimum two compressors (with individual separate PCB) for above 14HP modules, microprocessor based Controller, top discharge type condensing unit(s), with R-410-A Refrigerant or equivalent, vibration Isolators with suitable foundation etc. complete as required. To have better efficiency condenser fan shall be capable to operate at different speed with respect to load. The unit shall deliver the rated capacity and in confirmation as per IS 18728:2024 and CPWD Specifications and work even at 50°C ambient temperature without tripping. The system shall be able to deliver 100% of the rated capacity upto 39 Degree Celcius.The unit shall be suitable to work on 400V +/- 10%, 3 Phase, 50Hz AC power supply and BMS compatible. The unit shall be filled with first charge of the refrigerant and ready for use as required. The condenser should be coated with a hydrophilic film to prevent water accumulation on the surface of the heat exchanger, enhance water dispersion, and reduce the risk of degradation, thereby improving overall performance and durability. The Indian Seasonal Energy Efficiency Ratio (ISEER) of the unit shall be as per Energy Conservation and Sustainable Building Code (ECSBC) 2024 as below and complete as per CPWD specification, connections, inter connections etc. as required. (For capacity <40 kWr ISEER 6.4, Capacity >40 and <70 ISEER 6.5, Capacity > 70 ISEER 6.6 for ECSBC+ Building)Makes: Bluestar,Midea,Hitachi,Voltas,Daikin,Toshiba,Carrier22HP |
| 2 | Supply, Installation, Testing and Commissioning of following minimum capacity 4 way Cassette Type Indoor ceiling mounted unit equipped with synthetic washable media pre-filter, fan section with low noise fan /dynamically balanced blower, multispeed motor, coil section with DX Copper coil, electronic expansion valve, outer cabinet, drain pump, grill, necessary supports, vibration Isolation, Corded remote control etc., suitable for operation on single phase 230 V ± 10%, 50Hz AC supply, complete, as required. The Indoor units must shut down upon receiving a singal from the BMS System/Fire Signals. The system shall be capable to adjust air flow as per room requirement in auto mode. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature. (Make will be same as of Outdoor) |
| 3 | 1.6 TR |
| 4 | 2.0TR |
| 5 | 1 TR |
| 6 | Supply, Installation, Testing and Commissioning of following minimum capacity High wall type Indoor unit equipped with and comfort washable synthetic media pre-filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX copper coil, electronic expansion valve, outer cabinet, cord less remote control, drain pan, necessary accessories etc., suitable for operation on 230 V ± 10%, 50 Hz, single phase AC supply, complete as required. The Indoor units must shut down upon receiving a singal from the BMS System/Fire Singnals. The system shall be capable to adjust air flow as per room requirement automatically. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature. (Make will be same as of Outdoor) |
| 7 | 2TR |
| 8 | 1.6 TR |
| 9 | 1 TR |
| 10 | Supply, Installation, Testing and Commissioning of Y/T/Multi Joints. Joints shall be of same Original Equipment Manufacturer (OEM) make as of ODUs and IDUs |
| 11 | Indoor Units |
| 12 | Outdoor units |
| 13 | Supply, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation/with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of 19 mm thick insulation as given below for Suction and Liquid lines, all accessories as per specifications etc. as required : |
| 14 | 6.4 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 15 | 9.5 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 16 | 12.7 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 17 | 15.86 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 18 | 19 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 19 | 22.2 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 20 | 25.4 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 21 | 28.58 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 22 | 31.8 mm dia (OD) (Hard drawn) with tube thickness 1.62 mm |
| 23 | Supply and fixing of Drain line: UPVC drain pipe with 6 mm insulation, connection, joints etc in complete shape. |
| 24 | Supply and fixing of PVC Wrapping tape on insulated copper line |
| 25 | Dismatling of existing MS insulated chilled water line,cutting,blank off, leak testing,proper insulation on blank off portion etc. in complete shape |
| 26 | Removing and fixing of existing grid type gypsum/metal false ceiling etc. as required in complete shape |
