Replacement of Ductable Split ACs.

Amount

Supply of Blue Star Make 11 TR Twin circuit Non-inverter ceiling mounting type ductable split AC unit suitable for operation on 230/415V, 50 Hz., AC Supply with all the accessories (ceiling suspended) as specified and required and incorporating the following. 11 TR (Nominal) capacity package unit with Hermetic scroll compressors of minimum 5.5 TR each including all accessories. Air-cooled condenser with suitable size fans . Drive motors of suitable capacity. Thermostat expansion valve. First charging of refrigerant (R-410A or R -32) and refrigerant oil. Control panel with automatic capacity control unit to regulate the capacity, safety controls, control wiring, motor starter, wired remote etc., MS Outdoor units stands and indoor unit mounting frame All other accessories etc. complete as requried.

Dismantling old 11TR Twin circuit ductable Split AC units including indoor and outdoor units, drain pipe arrangements, old copper pipeline with insulations etc. from their location, including making good the damages to the original finish and shifting to AAI stores etc. complete as required.

Supply, installation, testing and commissioning of Soft/Hard drawn 18G copper refrigerant pipes of suitable size (gas and liquid) bwetween indoor and outdoor units, connection with necessary valves/fittings and associated accessories. Refrigerant pipes shall be clamped to the wall/tray with necessary protection. Copper refrigerant pipes shall be insulated with 19 mm thick closed cell elastomeric tubular insulation material based on size as mentioned below. The insulation shall be wrapped with black color glass cloth etc. complete as requried and as per the direction of the Engineer-in-Charge.

Supply and laying of 4C x 2.5 Sqmm flexible sheilded copper cables in 19mm UPVC conduit etc. complete as requried.

Supply and laying of 32mm dia UPVC pipe with 6mm nitrile rubber insulation along with U trap for Drain piping. Drain insulation shall be wrapped with black color glass cloth etc. complete as required.

Installation of outdoor units on MS stand with Vibration Isolation pads and Indoor unit on suitable mounting frame from the ceiling, connection of copper refrigerant lines, drain pipelines, Nitragon pressure checking, Testing and Commissioning of the system complete as required and as per the direction of the Engineer-in-Charge.

Supply and fixing of suitable Canvas Connection for Indoor Unit complete as required.

Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray cable tray with perforation not more than 17.5%, in convenient sections, joined with connectors laid on suitable pedestal of size 150x300x300mm including necessary G.I. bolts & nuts, etc as required. - 225 mm width X 50 mm depth X 1.6 mm thickness

HVAC WEATHER DESIGN (BID ID -782993)