BOCK HA44e Manuale utente

 

 

 







BOCK HA44e (LG)











BOCK®

96418-06.2021-DGbFEIRu

Contents Page

1 Safety 4

 1.1 Identicationofsafetyinstructions

 1.2 Qualicationsrequiredofpersonnel

 1.3 Generalsafetyinstructions

 1.4 Intendeduse

2 Safetyinstructionsforuseofammablerefrigerants 6

 2.1 Safetyinstructions

2.2 Qualicationsrequiredofpersonnel

3 Product description 7

 3.1 Shortdescription

 3.2 Nameplate

 3.3 Typekey

 3.4 TypekeyLGcompressors

 4 Areasofapplication 10

 4.1 Refrigerants

 4.2 Oilcharge

 4.3 Limitsofapplication

About these instructions

Readtheseinstructionsbeforeassemblyandbeforeusingthecompressor.Thiswillavoidmisunder-

standings andpreventdamage.Improperassemblyanduseofthecompressorcanresultinserious

orfatalinjury.

Observethesafetyinstructionscontainedintheseinstructions.

Theseinstructionsmustbepassedontotheendcustomeralongwiththeunitinwhichthecompres-

sorisinstalled.

BockGmbH

72636Frickenhausen

BockGmbH

Benzstraße7

72636Frickenhausen

Germany

Phone+4970229454-0

Fax+4970229454-137

www.bock.de

[email protected]

Manufacturer

Contact

96418-06.2021-DGbFEIRu

Contents Page

5AreasofapplicationatLGcompressors 11

 5.1 Refrigerants

 5.2 Oilcharge

 5.3 Limitsofapplication

6Compressorassembly 12

 6.1 Storageandtransport

 6.2 Settingup

 6.3 Pipeconnections

 6.4 Pipes

 6.5 Layingsuctionanspressurelines

 6.6 Operatingtheshut-offvalves

 6.7 Operatingmodeofthelockableserviceconnections

 6.8 Suctionpipelterandlterdrier

 7 Electricalconnection 16

 7.1 Informationforcontactorandmotorcontactorselection

 7.2 Standardmotor,designfordirectorpartialwindingstart

 7.3 Basiccircuitdiagramforpartialwindingstartwithstandardmotor

 7.4 Specialmotor:designfordirectorstar-deltastart

 7.5 Basiccircuitdiagramforstar-deltastartwithspecialmotor

 7.6 ElectronictriggerunitINT69G

 7.7 ConnectingofthetriggerunitINT69G

 7.8 FunctionaltestofthetriggerunitINT69G

 7.9 ElectronictriggerunitINT69GonLGcompressors

 7.10 Oilsumpheater(accessories)

 7.11 OilsumpheateronLGcompressors

 7.12 Capacityregulator(accessories)

 7.13 Fanmotor

 8 Commissioning 28

 8.1 Preparationsforstart-up

 8.2 Pressureintegritytest

 8.3 Leaktest

 8.4 Evacuation

 8.5 Refrigerantcharge

 8.6 Start-up

 8.7 Avoidslugging

 8.8 Connectionofoillevelregulator

9 Maintenance 31

 9.1 Preparation

 9.2 Worktobecarriedout

 9.3 Sparepartsrecommendation/accessories

 9.4 Lubricants/oil

 9.5 Decommissioning

 9.6 Additionalinformationwhenusingammablerefrigerants

 10 Accessories 33

 10.1Capacityregulator

 11 Technicaldata 35

 12 Dimensionsandconnections 36

 13 Declarationofincorporation 37

14 Service 38

96418-06.2021-DGbFEIRu

1|Safety

1.2 Qualicationsrequiredofpersonnel

DANGER Indicatesadangeroussituationwhich,ifnotavoided,

willcauseimmediatefatalorseriousinjury.

WARNING Indicatesadangeroussituationwhich,ifnotavoided,

maycausefatalorseriousinjury.

CAUTION Indicatesadangeroussituationwhich,ifnotavoided,

maycausefairlysevereorminorinjury.

ATTENTION Indicatesasituationwhich,ifnotavoided,

maycausepropertydamage.

INFO Importantinformationortipsonsimplifyingwork.

WARNING Inadequatelyqualiedpersonnel posestheriskofaccidents,the

consequencebeingseriousorfatalinjury.Workoncompressors

isthereforereservedforpersonnelwhichisqualiedtoworkon

pressurizedrefrigerantsystems:

•For example, a refrigeration technician, refrigeration mechatronic

engineer. As well as professions with comparable training, which

enables personnel to assemble, install, maintain and repair

refrigerationandair-conditioningsystems.Personnelmustbecapable

ofassessingtheworktobecarriedoutandrecognisinganypotential

dangers.

1.1 Identicationofsafetyinstructions:

96418-06.2021-DGbFEIRu

1|Safety

1.4 Intended use

1.3 Generalsafetyinstructions

WARNING Riskofaccidents.

Refrigeratingcompressorsarepressurisedmachines and as such

callforheightenedcautionandcareinhandling.

The maximum permissible overpressure must not be exceeded,

evenfortestingpurposes.

Riskofburns!

- Dependingontheoperatingconditions,surfacetemperaturesof

over60°Conthedischargesideorbelow0°Conthesuctionside

canbereached.

-Avoidcontactwithrefrigerantnecessarily.

Contactwithrefrigerantcancausesevereburnsandskin

damage.

WARNING The compressor may not be used in potentially explosive

environments!

These assembly instructions describe the standard version of the compressor named in the title

manufactured by Bock. Bock refrigerating compressors are intended for installation in a machine

(withintheEUaccordingtotheEUDirectives2006/42/ECMachineryDirective,2014/68/EUPressure

EquipmentDirective).

Commissioningispermissibleonlyifthecompressorhasbeeninstalledinaccordancewiththeseas-

semblyinstructionsandtheentiresystemintowhichitisintegratedhasbeeninspectedandapproved

inaccordancewithlegalregulations.

Thecompressorsareintendedforuseinrefrigerationsystemsincompliancewiththelimitsof

application.

Onlytherefrigerantspeciedintheseinstructionsmaybeused.

Anyotheruseofthecompressorisprohibited!

96418-06.2021-DGbFEIRu

2 |Safety instructions for use of

flammable refrigerants

DANGER • Explosion and fire risk! Synthetic HFO refrigerants

are colourless, combustible gases which occur

naturally and which are explosive in a certain blend!

•HFOrefrigerantsareclassiedintothesafetygroupA2L(hardly-

inammablerefrigerant)accordingtoEN378.

Astheyareheavierthanair,theoperatinglocationmustbeabove

groundleveltoallowunrestricteddischargeofthegas.

• By means of a risk and hazard analysis, appropriate technical

measuresaretobeidentifiedinordertoachievesufficientrisk

reduction. If necessary, a classification of the hazardous areas

accordingtoEN60079-10-1shouldbecarriedout.Iftherefriger-

antconcentrationexceedsthevalueof25%ofthelowerflamma-

bilitylimit(LEL),allequipmentinthehazardousareawhichisnot

permittedforoperationinhazardousareasmustbeimmediately

switchedoffwithoutanyvoltage.

•Useonlysuitableequipmentapprovedforflammablerefrigerants.

•Observethenationalregulations.

INFO Semi-hermeticcompressorsaretobeclassifiedas"technically

tight"(seee.g.TRBS2152part2/TRGS722).

2.1 Safety instructions

2.2 Qualicationsrequiredofpersonnel

WARNING Inadequatelyqualiedpersonnelposes theriskofaccidents,the

consequence being serious or fatal injury. Work on compressors

isthereforereservedforpersonnelwhichisqualiedinhandling

ammablerefrigerants.

96418-06.2021-DGbFEIRu

• Semi-hermeticfour-cylinderreciprocatingcompressorwithoilpumplubrication.

• Flange-mounteddrivemotoronthecompressorcase.

• Speciallyordeepcoolingwithair-cooledmotoranddirectsuctionatthecylinder.

3|Product description

Nameplate

Fig.1

3.1 Short description

Valveplate Cylinder

cover

DimensionandconnectionvaluescanbefoundinChapter12.

Transport

eyelet

Oilpump

Discharge

shut-offvalve

Oilsightglass

Airguidehood

withfan

Fig.2

Terminalbox

Suctionshutoff

valve

96418-06.2021-DGbFEIRu

HA 44 e 665-4X

¹)HA-HermeticAir-cooledfordeep-freezing

²)X- Esteroilcharge(HFCrefrigerant,e.g.R404A/R507)

Numberofpoles

Sweptvolume

e-series

Numbersofcylinders

Size

Oilcharge²)

Series¹)

3|Product description

Fig.3

3.2 Nameplate (example)

3.3 Typekey (example)

1 Typedesignation 6 Voltage,circuit,frequency

2 Machinenumber 7 Nominalrotationspeed

3 maximumoperatingcurrent 8 Displacement

4 Startingcurrent(rotorblocked) 9 Voltage,circuit,frequency

 Y:Partwinding1 10 Nominalrotationspeed

 YY:Partwindings1and2 11 Displacement

5

ND(LP):max.admissibleoperatingpressure

 12 Oiltypelledatthefactory

Lowpressureside 13 Protectionclass

HD(HP):max.admissibleoperatingpressure

Electricalaccessoriescanchange

Highpressureside theIPprotectionclass!

Observethelimitsofapplication

 diagrams!

50 Hz

}

60 Hz

}

19,7 A

57,7

SE 55 69,2

101 A 174 A

AZ12345A001

HA44e/665-4

IP44

20,3A

Bock GmbH, Benzstr. 7

72636 Frickenhausen, Germany

BOCK

BOCKlubE55

96418-06.2021-DGbFEIRu

HA 44 e 475 LGLT 9X

3.4 Typkey LGcompressor (example)

¹)HA-HermeticAir-cooledfordeep-freezing

²)X

-Esteroilcharge

Low-GWP

Engineperformanceinhp

Enginefordeep-freezing

Sweptvolume

e-series

Numbersofcylinders

Size

Oilcharge²)

Series¹)

3|Product description

96418-06.2021-DGbFEIRu

ATTENTION Theoillevelmustbeinthe

visiblepartofthesightglass;

damagetothecompressor

ispossibleifoverfilledor

underfilled!

4 |Areas of application

4.1 Refrigerants

• HFKW/HFC:  R404A/R507

• (H)FCKW/(H)CFC: R22

ATTENTION Compressor operation is possible within the operating limits.

ThesecanbefoundinBockcompressorselectiontool(VAP)under

vap.bock.de.Observetheinformationgiventhere.

-Max.permissibleambienttemperature45°C.

-Max.permissibledischargeendtemperature140°C.

-Max.permissibleswitchingfrequency12x/h.

-Aminimumrunningtimeof3min.steady-statecondition

(continuousoperation)mustbeachieved.

Foroperationwithcapacityregulator:

Continuousoperation,whenthecapacityregulatorisactivated,

isnotpermissibleandcancausedamagetothecompressor.

-Thesuctiongassuperheattemperaturemayneedtobereduced

orsetindividuallywhenoperatingneartothethreshold.

-Whenthecapacityregulatorisactivated,thegasvelocityin

thesystemcannotundercertaincircumstancesensurethat

sufcientoilistransportedbacktothecompressor.

Foroperationwithfrequencyconverter:

- Themaximumcurrentandpowerconsumptionmustnotbe

exceeded.Inthecaseofoperationabovethemainsfrequency,

theapplicationlimitcanthereforebelimited.

When operating in the vacuum range, there is a danger of air

enteringonthesuctionside.Thiscancausechemicalreactions,

apressureriseinthecondenserandanelevatedcompressed-gas

temperature.Preventtheingressofairatallcosts!

4.3 Limitsofapplication

max.

min.

oillevel

Fig.4

1,6Ltr.

 Thecompressorsarelledatthefactorywiththefollowingoiltype:

-forR404A/R507 BOCKlubE55

 -forR22 BOCKlubA46

Compressorswithesteroilcharge(BOCKlubE55)aremarkedwithanXinthetype

designation(e.g.HAX34e/315-4).

4.2 Oilcharge

INFO Forrefilling,werecommendtheaboveoiltypes.

Alternatives:see chapter 9.4

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