Airports Authority Of India Tender

SH - I (SITC of of 2 * 200 TR Screw Type Air cooled chiller) Supply, Installation, testing & commissioning of Screw Type air cooled chilling unit (with VFD / VSD) of 200 TR (minimum actual capacity) with Twin compressor complete in accordance with AHRI / Eurovent with all aspect. The chilled water inlet / outlet temperature of 54 / 44 Deg. F respectively with chilled water circulation rate of 480 USGPM & fouling factor 0.0005 FPS and suitable for operation on refrigerant for screw / centrifugal type machine, Chiller should be ECBC + 2017 compliant. First chiller shall be factory tested as AHRI & Tender Conditions at 100%, 75%, 50% and 25% load. Following accessories, items or services shall also be part of chiller. a) 1 Set - hermatic/ semi hermatic Helical Rotary twin Screw / Centrifugal compressors & twin circuit with automatic capacity control, safety switches, speed increasing gears, forced feed lubrication system etc. as per specifications. The unit shall be designed to unload up to 25% at constant condensor entering temperature.

b) 1 No. Suitable capacity squirrel cage induction motor with class "F" insulation suitable for operation on the 415+- 10% volts, 50 HZ , AC supply. c) 1 No. Unit mounted / free standing VFD / VSD starter (IP 42) suitable for compressor motor complete with active harmonic filter displaying THD and to limit THDI upto 5% at equipment level, ammeter with CTs, over load protection, under voltage protection, protection against phase reversal & independent single phase preventers etc. complete as required. Cable termination adaptor box for AI/Cu cables (if reqd).Necessary Drive arrangement d) 1 Set lubrication device consisting of automatic electric oil pump cooler, head tank, oil strainer, automatic pressure regulating valve, oil heater thermal switch , etc. as per manufacturer standards. e) 1 No. matching in accordance with ASME / PED /GB / BIS Air cooled Copper Tube-Aluminum fins type condenser. f) 1 No. matching in accordance with ASME / PED / GB / BIS shell and tube flooded type chiller for screw units of MS shell and copper tubes. g) 1 No. lot refrigerant piping fittings including valves as required and accessories to interconnect compressor, condenser, chiller and expansion valve.

h) 1 set - BMS compatible microprocessor based control panel with coloured graphical display complete with accessories as per specification. Card for BMS integration to be provided along with chiller. i)1 Lot - refrigerant line accessories comprising of safety valves, angle valves, liquid rubber insulation complete as required from factory. j)1 Lot- suction line and chiller insulation with minimum 19mm thick elastomeric and motor with base plate complete with anti vibration pads including PCC / RCC foundation as per OEM recommendation. k) 1 LOT - initial / first charge of refrigerant gas and compressor oil duly charged.