Supply And Installation Of Refrigeration System , Supply & Installation Of Refrigeration System , Electrical Work For Refrigeration The Work Includes Designing, Engineering, Providing, Installing, Testing And Commissioning Of The Refrigeration And Air Conditioning System Covering The Equipment / Materials / Services Covered In The Technical Specification, Boq And The Drawings., The Erection, Testing And Commissioning Will Include Lifting Of Equipment Placement And Alignment In Position, Interconnecting Piping, Controls Etc. The System Shall Be Pressure Tested And Evacuated As Per Standard Practice Before Charging The Refrigerant Gas. The Plant Shall Be Run On Load For 3 Days For Satisfactory Performance; All Tools And Tackles / Welding Machines, Rods And Gases Etc. Required For Fabrication, Erection, Testing And Commissioning Etc. Shall Be Arranged By The Contractor At His Own Cost. , Supply & Installation Of Water Cooled Refrigeration Rack Without Condensor For Pre-Cooling-03 Nos , Water Cooled Refrigeration Rack System Approved Make:-Bitzer Imported/ Frascold •Delivered Colling Capacity: 221 Kw ,Refrigerant: R404 A • Evap. Temp: -5* Ccond. Temp: 40*Ceva. Temp Range: -45 *C To -5 *C • Compressor Type Semi-Hermetic Reciprocating Compressor • No Of Working Compressor 3 Nos. • Actual Capacity (Kw) 221 Kw • Comp. Power (Kw). 82.08 Kw • Condenser Evc (Thermax Or Star Coolers & Condenser) • Compact And Pu Coated Solid Frame Of C-Channel (Formed From Ms Sheets) • Semi-Hermetic Reciprocating Compressors With Heater, Inlet/Outlet Service Valves And Protection Devices All Compressors.• Compressor With O Crank Case Heater O Magnetic Oil Plug O Oil Charging Port O Oil Drain Plug. O Discharge Temp Sensor. O Int 69 Tml Diagnose Motor Protector. O Oil Diff Pressure Switch [ Electronic Type ] • Discharge Line Vibration Eliminator • Discharge Line Nrv (Separate For Each Comp.) • Main Discharge Nrv (After Oil Separator) • Oil Separator. • Oil Level Regulator. • Oil Reservoir With Oil Charge • Differential Pressure Check Valve • Liquid Line/ Suction Filter Drier • Individual Replaceable Suction Line Filters And Accumulators With Service/Ball Valve To Replace The Filter Core. • Oil Return Header With Individual Service/Ball Valve And Oil Level Regulator Fitted On Compressors. • All Ball Valve & Nrv Valve Danfoss Make. Copper Fitting.• Gbc Valve For Filter Replacement • Gbc Valve To And From Evaporative Condenser Line. • Hp / Lp Pressure Switch (For Each Compressor) • Bigger Size Suction Header • Hp/Lp Pressure Gauge (Analog Type) For Main • Lp & Hp Pressure • Suction Accumulator • Liquid Receiver – 600 Ltrs. Note:- Considering Total Evaporator Tube Volume So That Refrigeration Rack Will Have The Sufficient Receiver Capacity To Handle The Liquid During 100% Pump Down Of System. • 3 Individual Valve In Suction Header And Liquid Line. ( 3 Header For Suction & 3 Header For Liqud) • Electrical Control Panel With 100 % Auto & 100 % Manual Option Without Bypassing Any Safety. O Dixell/Equivalentmake Rack Controller With 7” Hmi O Compressor Contactor O Mccb For Main Switch & Mcb For Each Comp. O Water Temp Sensor. O Discharge Line Sensor O Suction Line Sensor O Liquid Line Sensor. O Suction & Dis. Pressure Transducer O Control Mcb. O Fault Indicating Lamp. O Transformer For Control Supply, O Selector Switch Of Each Compressor. O Evaporative Condenser Controlling O Vfd For Evaporative Condenser Fan. O Emergency Switch. O Ventilation Fan, O Rr Make Cable, O Control Cabinet With Powder Coating (16 Gauge)• Rs485 Port In Panel. • Rack Supply With Nitrogen Pressure. • Oil Separator Esk / Gvn. • Receiver- Indian/Equivalant • Refrigeration Controls Make Danfoss /Castel • Insulated Copper Or Ms Suction Header With Proper Tapping Connection(S) For Suction Line From Evaporators. • Insulated Suction Copper Line From Suction Header To Individual Compressors. • Oil Return Header With Individual Service/Ball Valve And Oil Level Regulator Fitted On Compressors. • Pressure Transducers And Temperature Probes At Proper Location For Continuous Monitoring And Controlling. • Vfd Siemens/Danfoss/ Schneider Make • Auto / Manual Selector Switch And Pressure Switch. • Siemens/Schneider Make Switch Gear. • Ventilation Fan.• First Commissioning Spares / Oil – Filters After 72 Hrs Running Of Rack. • Commissioning Of Rack. • Training - Shall Be Provided During Commissioning And Also Online Training After Month Of Commissioning. , Indoor Units:- Approved Make:-Star-Cooler & Alfa Laval • Product Type : Ceiling Mounted Cooler • Model No : Cf-49-64-Sp (Star Cooler Make) • No. Of Units :3 No’S • Design Duty :75 Kw • Room Temp : 0°C • Refrigerant : R404a Evaporating @ -5°C ( Dx System ) • Air Volume :80000 Cmh • Fans :4 X 800 Mm Dia Axial Fan, 1440 Rpm; • Motor = 3.7 Kw ( Each Fan) 415V/3Ph./50Hz • Coil Data :4 Fpi , Copper Tubes With Plain Aluminum Fins. • Internal Volume: 156 Dm³,Heat Transfer Area:-639.7 M2 • Defrost: Coil= Na , Tray= Na , Fan =Na • Outer Body: Gi Powder Coated • Electrical Junction Box Should Be Of Ip 45 Protection.Approved Makes: Star Cooler Make. , Evaporative Type Of Condenser • Product Type : Evaporative Condenser (Mix Flow Type) • No. Of Units : 1 No’S • Design Duty : 420 Kw. • Condensing Temp: 39 °C • Wet Bulb Temp: 27 °C • Refrigerant : R404aevaporating • Air Volume : 41000 Cmh • Fans : 1 X 1000 Mm Dia Axial Fan, 6P-960 Rpm; • Motor = 5.5 Kw ( Each Fan) 415V/3Ph./50Hz,With Vfd Compatible • Pump:-1.5 Kw • Water Flow:-52 Cmh • Evaporation Rate:- 0.62 M3/H • Heat Transfer Area:490 M2 (Coils + Fills) 65 +425 • Tube Volume:- 303 Dm3 • Tubes:-19Mm0.8 Mm Ss304 L • Water Tank:-Ss304 • Casing:-Zam • Tank Volume:-1500 Ltrsapproved Makes: Thermax / Starcooler • Moc Of Fan:-Pag /Ppg Type High Efficiency Low Power Axial Fan Should Be Suitable For Quiet Operation And Made Of Corrosion Resistant Material In Order To Ensure Long Life And Minimal Maintenance Requirement For The Air Handling Components. Adjustable Angle Multi-Blade Fans For Power Saving In All Weather Conditions To Be Direct Driven. Fan Motor Shall Be Tefc Type, High Efficiency Suitable 415 Volts, Three Phase, 50 Hertz Supply . • No. Of Spray Pumps Each:-The Recirculating Spray Water Pump Will Be Close Coupled, Centrifugal Pump With Tefc Motor 415 Volts, Three Phase, 50 Hertz Supply. • Moc Of Casing:-All Casing Panels And Structural Elements Shall Be Of Heavy Duty Construction Made Up Of • Jsw Az-150 (Aluminium Zinc Coated Cs Sheets) • Moc Of Coil:-Ss 304L • •The Coil Section Shall Be Fabricated Of Continuous Lengths Of Ss304l & Pneumatically Tested At 375 Psig. • Moc Of Cold Water Basin:-Jsw Ss 304 Basin Shall Include Tapered Basin With Drain/ Clean Out Connection. The Basin Area Under The Fill Area Shall Be Sloped Towards The Drain Outlet To Facilitate Cleaning. There Should Be No Leakage In The Water Basin. The Basin Will Be Provided With Suction Strainer • At Pump Inlet. The Water Make Up Assembly Shall Be Adjustable Float Type. • Fan Make:-Siemens/Hindustan • Pump Make:-Grundfos/Ksb • Maintenance:-Access Door • Safety:-Handrails • Ladder:-Unit Mounted Ladder , Allied Accessories For Pre Cooling Rooms. • Supply Of Liquid & Suction Refrigerant Piping With Suction Line Rubber Nitrile Insulation Connecting Indoor Unit To Outdoor Unit For Medium Temperature Application.Refrigeration System As Per Specifications Suitable For Site Installation Conditions With Necessary Supports / Brackets , Fittings & Clamps. (As Per Ga Drawing) • Supply Of Electrical Cabling Connecting Indoor Unit To Outdoor Unit & Control Panel For Medium Temperature Application. Refrigeration System As Per Specifications Suitable For Site Installation Conditions With Necessary Supports / Brackets,Fittings & Clamps.(As Per Ga Drawing) • Supply Of Electronic Expantion Valve With All Components In Suction & Liquid Line. • Ip 65 Internal Lighting & Cabling. • Supply Of Pvc Drain Pipingas Per Specifications For Cold Rooms. • Supply Of Epoxy Coated M S Base Frame For Installingevaporator Units In Precooler Rooms. • Supply Of Solid Cable Tray Of 18 Gauge , Painted With Ral-9002 White, 400 Mm Wide X 50 Mm Collar Height With All Necessary Supports For Supporting & Routing Refrigerated Copper Piping& Cables Neatly As Per Specifications • Electrum Make Control Panel With All Auotomatic Function With Data System. • Copper Pipe 14 Gauge & Armaflex Insulation ,Polycab Or Finolex Make Copper Cables , For Drain Consider C Pvc Pipe With Fitting. , Supply & Installation Of Air Cooled Cdu With Aircooled Condensor Forcold Storage-1 , Cdu:-(Approved Make:-Bitzer Imported/ Frascold) • Refrigerant: R404 A • Room Temp: 0* C • Evap. Temp: -5* C • Cop: 1.58 • Ambient: 45 *C • Compressor Type Semi-Hermetic Reciprocating Compressor • Actual Capacity (Kw) 25 Kw • Comp. Power (Kw). 15 Kw • Condenser 2 Fan Suitable For High Ambient • Oil Separator • Adequate Receiver With Sight-Glasses, Safety Valve And Service Angle Valve. • Hp/Lp • Filter Drier • Solenoid Valve • Suction Accumulator • Pressure Gauge • Refrigeration Controls Make Danfoss / Emerson /Castel • Structure Material (Channel / Square Section) M.S. With Pu Painting / Coating , Indoor Unit:- (Approved Make:-Star Cooler/ Alfa-Luve) • Product Type : Ceiling Mounted Cooler • Design Duty :25 Kw (1 Circuit) • Room Temp : 0°C • Refrigerant : R404a Evaporating @ -5°C ( Dx System ) • Air Volume :26000 Cmh • Fans :2 X 710 Mm Dia Axial Fan, 1440 Rpm; • Motor = 1.1 Kw ( Each Fan) 415V/3Ph./50Hz • Coil Data :4 Fpi , Copper Tubes With Plain Aluminum Fins. • Internal Volume:42 Dm³ • Heat Transfer Area :-147M2 • Defrost: Coil= Na , Tray= Na , Fan =Na • Outer Body: Gi Powder Coated • Electrical Junction Box Should Be Of Ip 45 Protection. , Allied Accessories • Supply Of Liquid & Suction Refrigerant Piping With Suction Line Rubber Nitrile Insulation Connecting Indoor Unit To Outdoor Unit For Medium Temperature Application.Refrigeration System As Per Specifications Suitable For Site Installation Conditions With Necessary Supports / Brackets , Fittings & Clamps. • Supply Of Electrical Cabling Connecting Indoor Unit To Outdoor Unit & Control Panel For Medium Temperature Application. Refrigeration System As Per Specifications Suitable For Site Installation Conditions With Necessary Supports / Brackets, Fittings & Clamps. • Supply Ofexpantion Valve With All Components In Suction & Liquid Line. • Ip 65 Internal Lighting & Cabling • Supply Of Pvc Drain Pipingas Per Specifications For Cold Rooms. • Supply Of Epoxy Coated M S Base Frame For Installingevaporator Units In Precooler Rooms • Supply Of Solid Cable Tray Of 18 Gauge, Painted With Ral-9002 White, 400 Mm Wide X 50 Mm Collar Height With All Necessary Supports For Supporting & Routing Refrigerated Copper Piping& Cables Neatly As Per Specifications. • Supply Of Refrigerant R-404Afor Refrigerated Equipment. • Copperpipe 14 Gauge & Armaflex Insulation , Polycab Or Finolex Make Copper Cables , For Drain Consider C Pvc Pipe With Fitting. • Electrum Make Control Panel With All Auotomatic Function With Datasystem • Electrical Control Panel Cubicle Type, Dust And Vermin Proof Copper Bus Bars And Suitable For 415 Volts, 3 Phase, 50 C/S A.C. Supply And Incorporating The Following: A) Incoming Mccb Rating As Required. B) Earth Leakage Current Elr And Suitable Elcb C) Mcbs And Starters For Condensing Units, Air Handling Unit, Acus In Cold Stores, Ante Room , Supply & Installation Of Air Cooled Cdu With Aircooled Condensor Forcold Storage-2 , Cdu:-(Approved Make:-Bitzer Imported/ Frascold) • Refrigerant: R404 A • Room Temp: 0* C • Evap. Temp: -5* C • Cop: 1.58 • Ambient: 45 *C • Compressor Type Semi-Hermetic Reciprocating Compressor • Actual Capacity (Kw) 28 Kw • Comp. Power (Kw). 20 Kw • Condenser 2 Fan Suitable For High Ambient • Oil Separator • Adequate Receiver With Sight-Glasses, Safety Valve And Service Angle Valve. • Hp/Lp • Filter Drier • Solenoid Valve • Suction Accumulator • Pressure Gauge • Refrigeration Controls Make Danfoss / Emerson /Castel • Structure Material (Channel / Square Section) M.S. With Pu Painting / Coating , Indoor Unit:- (Approved Make:-Star Cooler/ Alfa-Luve) • Product Type : Ceiling Mounted Cooler • Design Duty :28 Kw (1 Circuit) • Room Temp : 0°C • Refrigerant : R404a Evaporating @ -5°C ( Dx System ) • Air Volume :32500 Cmh • Fans :3 X 710 Mm Dia Axial Fan, 1440 Rpm; • Motor = 1.1 Kw ( Each Fan) 415V/3Ph./50Hz • Coil Data :4 Fpi , Copper Tubes With Plain Aluminum Fins. • Internal Volume:50 Dm³ • Heat Transfer Area :-177M2 • Defrost: Coil= Na , Tray= Na , Fan =Na • Outer Body: Gi Powder Coated • Electrical Junction Box Should Be Of Ip 45 Protection. , Allied Accessories • Supply Of Liquid & Suction Refrigerant Piping With Suction Line Rubber Nitrile Insulation Connecting Indoor Unit To Outdoor Unit For Medium Temperature Application.Refrigeration System As Per Specifications Suitable For Site Installation Conditions With Necessary Supports / Brackets , Fittings & Clamps. • Supply Of Electrical Cabling Connecting Indoor Unit To Outdoor Unit & Control Panel For Medium Temperature Application. Refrigeration System As Per Specifications Suitable For Site Installation Conditions With Necessary Supports / Brackets, Fittings & Clamps. • Supply Ofexpantion Valve With All Components In Suction & Liquid Line. • Ip 65 Internal Lighting & Cabling • Supply Of Pvc Drain Pipingas Per Specifications For Cold Rooms. • Supply Of Epoxy Coated M S Base Frame For Installingevaporator Units In Precooler Rooms • Supply Of Solid Cable Tray Of 18 Gauge, Painted With Ral-9002 White, 400 Mm Wide X 50 Mm Collar Height With All Necessary Supports For Supporting & Routing Refrigerated Copper Piping& Cables Neatly As Per Specifications. • Supply Of Refrigerant R-404Afor Refrigerated Equipment. • Copperpipe 14 Gauge & Armaflex Insulation , Polycab Or Finolex Make Copper Cables , For Drain Consider C Pvc Pipe With Fitting. • Electrum Make Control Panel With All Auotomatic Function With Datasystem • Electrical Control Panel Cubicle Type, Dust And Vermin Proof Copper Bus Bars And Suitable For 415 Volts, 3 Phase, 50 C/S A.C. Supply And Incorporating The Following: A) Incoming Mccb Rating As Required. B) Earth Leakage Current Elr And Suitable Elcb Mcbs And Starters For Condensing Units, Air Handling Unit, Acus In Cold Stores, Ante Room
