GEA Refrigeration Technologies

GEA Grasso BluAstrum

Driving performance

Capacity control

•Capacitycontrolvia

frequencyinverter

• Infinitelyvariablecapacity

between1000-4500min-1

High efficient screw compressor

•GEAspecified5/6rotorprofileforindustryleadingCOP

•Sleevebearings:Infinitelifetimeandinherentlyquiet

•Extendedandvariableinternalvolumeratio(Vi)forbetterpartloadefficiency

•Reducedcomplexity;nooilpump

Sophisticated control unit

•User-friendlytouchpanel

•Ensureshighplantavailability

•Allcommoncommunicationprotocols

•Remoteaccessviawebbrowser

•Maintenancelogsandfulldatahistory

Combined evaporator-liquid separator

•Floodedevaporation

•Fully-weldedplateheatexchanger

•Suitableforallcommonfluids

•Lowapproachtemperaturesfor

minimumenergycostsCompact design

•Doorsizedesign

•Minimumfootprint

•Lownoiseandvibrationlevel

•Unlockableconnectionsat

waterside(evaporator/condenser)

Easy service and maintenance

•Service-friendlydesign

•Easyaccesstowearparts

•Minimummaintenancecosts

Plant safety

•3D-formedpipesreducingwelding

seamsandleakagerisk

• Insulatedcoldsideofthechiller;

nocorrosionrisk

•Doublesafetyvalve,PEDapproved

Enclosure

•Optionallyavailablefortouch

protectionandnoisereduction

•Availableforindoorand

outdoorinstallation

Expansion control system

•ElectronicCondenserDrainSystem(ECD)

foroptimizedcapacityadjustment

Condenser

•Lowapproachtemperatures

•Fully-weldedheatexchanger

•Differentplatematerialsonrequest

•Smallfootprint

•Capacityrangeupto2MW

•Evaporatingtemperaturemin.-18°C

•Condensingtemperaturemax.54°C

engineering for a better world

GEA Grasso BluAstrum

Type Cooling capacity

(kW)Electric power1)

(kW)EER Dimensions

(mm)Weight2)

(kg)

R717 +12/+6 °C L W H

GEA Grasso BluAstrum 500 550 110 5.00 4700 1000 2100 5500

800 740 153 4.84 5000 1000 2100 6000

900 880 172 5.12 5000 1000 2100 6500

1000 1100 217 5.07 5000 1000 2100 7000

1500 1450 266 5.45 6500 1200 2400 8000

1800 1730 323 5.36 6800 1200 2400 8500

1) related to the entire electrical consumption; 2) tare weight

GEAGrassoBluAstrumprovideshighperformanceandcompact-

ness at once. One of the novelties of GEA chillers is the new

generation of screw compressors utilizing speed control and

variable internalvolumeratioformaximumfullandpart load

efficiency.TheadvancedcontrolsystemGEAGrassoTPensures

reliable operation and maximum efficiency with customer

orientedcommunicationfeatures.AsaresultGEAGrassoBluAstrum

setsanewlevelforESEERvaluesofscrewchillers.Theenclosure

isoptionallyavailabletoreducethenoiselevelevenfurther.GEA

Grasso BluAstrum uses only the natural refrigerant ammonia

(R717).

GEAGrassoBluAstrumcomprisessixsizeswithinacapacityrange

from500kWto1,800kWandoperatingconditionsbetween-15

°Cand+15°C.

Options

1 Enclosure for touch and noise reduction

2 Flow switch, secondary refrigerant circuit (loose)

3 Flow switch, cooling medium circuit (loose)

4 CE/PED approval (module H1)

5 Functionaly test with water and refrigerant

6 Set point remote adjustable

7 Profibus communication interface

8 Modbus RTU communication interface

9 Modbus TCP communication interface

10 GEA Grasso GSC plus sequence control communicator

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GEA Refrigeration Technologies

GEA Refrigeration Germany GmbH

Holzhauser Str. 165, 13509 Berlin, GermanyPhone: +49 30 43592 600, Fax: +49 30 43592 777gea-refrigeration.de@gea.com, www.gea.com