36/EE(E)BM-I/2019-20

Amount

Part - A Supply of air cooled variable refrigerant flow modular compact 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 with cooling & heating only. The condensing units shall be suitable for operation on 415 ± 10% volts, 50hz, single phase ac power supply and the condensing units shall be of following capacities. variable refrigerant volume / flow system comprising of the following items: Make: Hitachi / Mitsubishi Electric Outdoor condensing units 5 HP

Hi wall indoor units 2.0 ton

Refrigerant ‘Y’ joint required for distribution of refrigerant in copper piping etc complete as per specifications

Part - B 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, single phase ac power supply and the condensing units shall be of following capacities. Outdoor condensing units 5 HP

Hi-wall indoor unit 2.0 ton

Commissioning of VRF systems including topping R-410A gas per site requirements

Copper refrigerant piping with insulation 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 MS hangers duly painted with black enamel paint. Entire refrigerant piping work is carried out in accordance with the specifications. pipe size min. wall insulation (size thickness) 25.4 mm dia/19 mm thick insulation

19.05 mm dia/19 mm thick insulation

15.9 mm dia/13 mm thick insulation

12.7 mm dia/13 mm thick insulation

9.5 mm dia/13 mm thick insulation

6.35 mm dia/13 mm thick insulation

Condensate drain piping ø 25 mm dia

MS stand for condensing unit

Supplying & drawing control cum transmission cable of size 2 core x 1.5 sq mm, copper conductor PVC insulated PVC sheathed unarmored in the existing steel / PVC conduits pipes between indoor and outdoor unit including making connections at both ends etc. complete as required.

SITC of 40A DP isolator with enclosure

Sujit Electricals And Airconditioning Works

H R REFRIGERATION AND ELECTRICAL WORKS