Supply, fixing, testing and commissioning of 2 nos. 100 TR with R134a Refrigerant water-cooled screw type chiller in place of existing 2 nos. 80TR water cooled reciprocating chiller in the 340 TR air conditioning plant in premises of Honble High Cour

a) Refrigeration capacity : 100 TR (Minimum) with unit mounted Micro-Processor based VFD Starer Panel b) Refrigerant: R134a c) Chilled water leaving temperature : 6.7 Deg C d) Chilled water entering temperature : 12.9 Deg C f) Fouling Factor Evaporator : 0.0001 FPS g) Condenser water entering temperature : 32.20 Deg C h) Condenser water leaving temperature : 36.30 Deg C i) Chiller and Condenser Pressure Drop should not exceed 6mtrs WC and 10mtrs WC respectively j) NPLV (1KW / TR) at duty condition - 0.5 max k) IPLV VALUE OF 0.498 1KW/TR max l) COP of chiller shall be as per latest BEE circular at Standard AHRI condition should not be less than 5.2.maintaining ECBC norms m) System should have provision for installation of plant manager. n) Ambient Temperarure - 45 Deg C o) Selection sheet both in design condition as well as AHRI condition should be submitted along with the bid for evaluation. Scan copy of original certificates of AHRI & others should be uploaded.

Multiple compressor minmum 2 nos with 2 independent refrigerant ckt in each unit. Twin / Tripple screw type compressor in semi hermetic construction , horizontal in design, complete with automatic stepless type capacity control, safety switches, forced feed lubrication system etc, as per specifications. Induction motor with class 'F' insulation , refrigerant cooled suitable for operation on 415 volts +10% , 50 Hz, A.C. supply.The unit shall have with suitable capacity starter suitable for compressor motor complete with ammeter, over load protection, under voltage protection, protection against phase reversal & independent single phase preventors etc complete as required. The Starter shall be installed inside the panel.

ASME Stamped Matching shell and tube water cooled condenser of M.S. shell and integrally finned copper tubes.

ASME Stamped Matching shell & tube flooded type chiller of MS shell and integrally finned copper tubes . The chiller shall be duly insulated with 19 mm thick elastomeric nitrile insulation at factory.

Refrigerant piping fittings, valves, level sensing electronic expansion valves and accessories to inter connect compressor, condenser, chiller and electronic expansion valve.

1 Set - Microprocessor based control panel comprising of Controls including sensors, start up and shut down leaving chilled water temperature Control, Electronic Expansion Valve modulation, anti recycle logic, automatic Compressor and load limiting shall be function tested . it shall also be equipped with the following protection and monitoring devices. High (Condenser) & Low (Evaporator) pressure protection Low oil level & pressure protection Chilled/Condenser Water flow loss Chiller Water Freeze protection, Sensor error protection, Motor load control and overload, High motor temperature protection. High oil temperature protection. Chiller inlet and outlet Water temperature. Condenser inlet / Outlet water temperature Suction and discharge Compressor pressure.

Microprocessor based control panel shall have suitable hardware & software so that it can be integrated directly with standard communication open protocol using backnet / Modbus as well as open IP.

Lot- suction line and chiller insulation with minimum 19 mm thick polyvinyl nitrile rubber insulation.

Lot-frame work for mounting the above condenser, chiller, compressor and motor with base plate complete with antivibration pads/ springs.