SITC of Air-Conditioning system at the Accounts Section at 5th floor and the University Branch East Block at 6th floor of Higher Education Department, Bikash Bhawan Salt lake Kol-91 SITC of VRF Air-Conditioning System

Supply of Air cooled type 5th gen VRF top discharge type Outdoor Unit with linear capacity controlled, IPM Technology, VET Technology, PWN ovrmodulation control each comprising of variable speed all inverter controlled scroll/rotary compressor, air cooled copper condensor with protective coated fins, mounting frame, micro processor control panel and other standard accessories according to OEM standard. The unit shall be suitable for operation with R-410A refrigerant. Minimum EER at 100% load & at minimum 35 degree centigrade ambient condition should not be less than 10 (Ashree standard table 6.8.1 L). Nominal capacity of outdoor units in BOQ at climatic condition of Kolkata taking into considertion of ambient corretion factor as per OEM standard to deliver inside temperature condition @22 ± 2 degree centigrade. The outdoor unit should either be a single module or combination of mutiple modules and each of the module should contain multiple variable speed inveter type scroll or rotary compressors. The rate is inclusive of anti vibration foot pad, Y conectors at ODU side if any. (Make : O-General/Mitsubishi Electric/Mitsubishi Heavy ).[ Including the all the cost of delivery, Loading, Unloading etc.] 20 HP (Cooling Only)

Supply, Installation, Testing & Commissioning of VRF Indoor Units & accessories: (Make: Similar to the make of VRF ODU unit) 3.5 KW cooling capacity indoor unit in High wall mounting type with 360 CFM or better with minimum three steps speed regulator, with chordless remote and noise level less than 36 db.

Do---Do----Do 5.6 KW cooling capacity indoor unit in High wall mounting type with 540 CFM or better with minimum three steps speed regulator, with chordless remote and noise level less than 38 db.

Do---Do----Do 11.2 KW cooling capacity indoor unit concealed split type ceiling suspending or wall mounting type with 1200 CFM or better with minimum three steps speed regulator, noise level less than 48 db with chorded and chordless remote.

Supply, Installation, Testing & Commissioning of Refrigerant copper "Y" Joints with copper brezzing with nitrile rubber insulation of adequate thickness.

Supply, Installation, Testing & Commissioning of wireless remote controller to control each indoor units. Wireless remote control shall be selected to control shall have option of sequencing and scheduling of units as well. Individual remote with signal receiver for concealed split units can controled fan Speed, Mode Lock, Remote controller lock, error check, emergency start/stop, swing function, air filter cleaning reminder.

SITC of the of following nominal size of soft/ hard drawn copper refrigerent piping System including vaccumiazation and Nitrogen of testing for VRV/VRF AC system, complete with fittings, with adjustable ring type hanger supports, jointing/ brazing including accessories as required at site & approved by EIC, duly insulated with XLPE class -O tubular closed cell elastomeric nitrile rubber insulation (Make : Armacell/ K-flex/ Aeroflex/ A-flex) of 13mm thickness upto 15.9 mm OD Cu pipe & above 19mm thick insulation for higher sizes Cu pipes. Ф28.6 MM(19 SWG or 1 mm)

Do---Do----Do Ф22.2 MM(19 SWG or 1 mm)

Do---Do----Do Ф19.05 MM(19 SWG or 1 mm)

Do---Do----Do Ф15.9 MM(19 SWG or 1 mm)