Replacement of defective/ outlived Air Cooled Ductable Type Packaged Air-Conditioning Units at Karkardooma Court Complex Delhi.

Supplying, Installation, Testing and Commissioning of air -cooled Floor Mounted Package Type Air Conditioner with R-410a refrigerant. The unit shall be supplied in two portions outdoor portion & indoor unit made up of the evaporator copper tube & aluminium fins adequate face area & evaporator fan, 2 nos. Scroll compressors, Microprocessor controlled electric panel and Outdoor unit comprising air cooled condenser made of copper tube & aluminium fins, condenser fan complete in all respect & specifications. Dismantling of old PTAC Indoor & outdoor condensing unit along with refrigerant piping with brazing, after installation of outdoor condenser unit new installed 2 circuit piping of 21 / 22 TR PTAC plants, leak detection, flushing pressure testing & vacuumizing the system and charging of refrigerant etc. complete as required. (Without refrigerant)

Supply, Installation, testing and commissioning including vaccumization and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for PTAC system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, as given below for Suction and Liquid lines, all accessories as per specifications etc. as required:

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

22.2 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm

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

SITC of Drier Filter 5/8" flare type suitable for PTAC Plant 410a refrigerant based air-cooled package unit etc. complete as required as per site.

Charging of Refrigerant R 400/410a after re- installation Pressure testing, plants, Leak Detection, Repairing, flushing & vacuumizing the system of condenser/ Cooling Coils in the units of damage 2 Circuits of 21/22 TR PTAC etc. required as per site.

Duct connection with Plenum

Duct connections to the unit shall be made by inserting a double canvas sleeve fire rated as per NBC 100 mm long. The sleeve shall be securely bonded and bolted to the duct and unit casing.

Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.

Fire damper

Actuator

Supplying , fabrication & painting at site angle iron post & Struct of required size including buttom to be split and bent at height angle in opposite direction and drilling holes upto 10 mm dia complete as required.

Provision of electrical panel board, distribution board with MCB, MCCBs, Switchgears, ampare meter, volt meter, indicator lamp etc.

Provision of cables, GI pipe earthing, GI wire, GI strtips, gland etc.

Dismantling and credit of following parts / accessories of existing (15 x 22 TR) PTAC Plant

Compressor

Condenser Coil for ODU

Copper Piping

Outdoor Unit Fan

Colling Coil for IDU

Blower with fan motor for IDU

Complete iron body of both IDU & ODU (Assorted size)