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LEW CS/CL 071
Инструкция по эксплуатации Страница: 5

Galletti LEW CS/CL 071 [5/56] Lew 072 cs

Galletti LEW HS/HL 141 [5/56] Lew 072 cs

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Page5of56

RG66006951‐Rev.01

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1 Generaldescription

1.1 LEW units

LEWreversiblewaterchillersand heatpumpsareairorprocessfluidconditioningunits,designedforbothdomesticand

industrialuseandinoperation24hoursaday.Theycoverathermaloutputrangefrom40to429kW,guaranteeinga

highlevelthermodynamicperformanceandawiderangeofconfigurationpossibilities,bothinaccess

oriesandcooling

circuit.

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LEWmachineshavebeenbuiltinafullyfairedframeworktomaketheassemblyextremelysilent.Theycanthereforebe 

installed in open environments without needing to be closed off. The all‐new new rounded‐off shape enhances their

appearance.The exclusive use of R4

10A refrigerant and of high‐quality components in the chiller, hydraulic and

electricalpartsmakestheLEWunitsstate‐of‐the‐artchillersintermsofefficiency,reliabilityandemittedsoundoutput.

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1.1.1 Product configurations

TheseriesofLEWmodelsconsistsinawiderangeofproducts,meetingallsystemneeds:

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WCwaterchillers‐coldwateronly

LEWDwaterchillers‐coldwateronly(interlockedbyDry‐CoolerorEvaporativeturret)

LEWHwaterheatpumps‐chillersidereversiblewater

LEWWwater‐wateronlyheatingheatpumps

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All theabove‐mentioned versionsare available in sizesreferred to inth

e tablebelow. The sizes of theLEW units are

expressedintheX‐coordinatesofthetableintermsofratedcoolingcapacity[kW],obtainedinconditionswithchilled

water produced at 7°C and combined with the evaporative turret with dissipation circuit water at 29° inlet and 35°

outlet.

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TableI‐Tablesummarisingth

erangeofLEWproductsbysizeandEfficiencyPack:

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Sizes: 040 050 060 070 080 090 110 130 140 160 180 200 210 240 280 310 340 370 420 480

Efficiency

Pack1

 F1 F1 F1 F1 F1 F2 F2 F2 F2 F2 

Efficiency

Pack2

 F1 F1 F1 F1 F1 F2 F2 F2 F2 F2 

Efficiency

Pack3

F3

 F3 

Efficiency

Pack4

F3 F3

 F3 F3 F3 F3 F3 F3 F3 F3 F3 F3

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The first column of Table I shows the available "Efficiency Packs". These determine the configuration of the cooling

circuit. For further details see paragraph 1.3 “Cooling circuit”. For example, the size “LEW 2 090” develops a 90 kW

chilleroutputandisimplementedwithEfficiencyPack2(twocompressors,onecoolingcirc

uit).Thedimensionsofthe

"Frames"oftheunitsarelistedinthecells,bymeansofreferencesymbolsF1F2F3(withincreasingdimensions);allthe

information concerning the weight of the machines and the dimensions corresponding to each frame is available in

paragraph2.3"Overalldimensionsandweight".All sizes ofthe LEWser

iescanbeimplementedwiththestandard  "S"

set‐uporthe"L"soundproofset‐up,coveringthecompressorandouterpanellingwithsoundproofmaterial.

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TheLEWunitsareidentifiedwiththefollowingsymbol:

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LEW072CS

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Galletti LEW CS/CL 071 [5/56] Lew 072 cs

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