PROVISION OF 02 (TWO) VRF/VRV AC IN THE NE (NETWORK EQUIPMENT) ROOM OF 1ST FLOOR DATA CENTRE AT DRDO BHAWAN, NEW DELHI

Amount

Air Coniditoner (VRF)

Supply, Installation,Testing & Commissioning of modular type Variable Refrigerant Flow / Variable Refrigerant Volume air cooled Outdoor units suitable for cooling and heating,having all hermetically sealed inverter type Scroll Compressor(s), minimum two compressors for above 14 HP modules, micro processor based Controller ,top discharge type condensing unit(s),with R410A Refrigerant,vibration isolators, with suitable foundation etc. complete as required. The unit shall deliver the rated capacity at AHRI Conditions and work even at 50°C ambient temperature without tripping. The unit shall be suitable to work on 400V +/-10%, 3 Phase, 50 Hz AC power supply. The unit shall be filled with first charge of the refrigerant and ready for use as required. The COP at AHRI conditions shall not be less than 3.1 and IEER not less than 6.5. Including all necessary civil works requirement fixing at rooftop.

ODU 5 HP

Supply, Installation, Testing and Commissioning of following minimum capacity and external static pressure VRF / VRV ceiling mounted ductable type Indoor unit equipped with 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, cordless remote control, outer cabinet, vibration isolators, drain pan alongwith integrated automatic drain pump, other necessary supports etc.,suitable for operation on single phase AC supply 230V ± 10%, 50 Hz complete as required. The unit shall have automatic force shut down provision in case of fire on receiveing signal from BMS System. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature. High Static Ductable units (minimum 110 pascal external static pressure)

Drain Piping

Providing & fixing of PVC Pipe complete with fittings, supports as per specifications and duly insulated with 6 mm thickness of closed cell nitrile rubber as reqd.

32 mm dia with 6 mm thick insulation

Supply, Installation, Testing and Commissioning including vaccumiazation and Nitrogen testing of following nominalsizes 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 specified thickness as given below for Suction and Liquid lines, all accessories as per specifications etc. as required :

15.86 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation

28.58 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation

Providing and fixing flexible power cable of 3 core x 6 sqmm copper between Indoor units and their power points , including end termination complete with thimbles etc complete in all respect

Providing and fixing flexible control cable of 2 core x 1.5 sqmm copper or as per OEM between Outdoor units and indoor units, including end termination complete with thimbles etc in all respect

Aluminium armoured cable 4 core x 10 Sqmm