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Operatinginstructions

HGZ7

Types:

HGZX7/1620-4R404A/R507HGZX7/1620-4R410AHGZ7/1620-4R22

HGZX7/1860-4R404A/R507HGZX7/1860-4R410AHGZ7/1860-4R22

HGZX7/2110-4R404A/R507HGZX7/2110-4R410AHGZ7/2110-4R22

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Foreword

- Subject to modifi cations -

Dear Customer,Bock compressors are top-quality, reliable, service-friendly quality products. Please comply with the following operating and maintenance instructions so that you can benefi t from all advantages to the full and use your refrigerating system throughout its entire service life. If you have any questions about installation, operation and accessories, please contact our technical service or your refrigerating sys-tem wholesale dealer or our representative. The Bock service team is available by phone under +49 7022 9454-0, by e-mail under mail@bock.de or on the internet under www.bock.de. In addition, for German speaking countries we have set up a toll-free hotline under 00 800 / 800 000 88 from Monday to Saturday between 8 a.m. and 9 p.m. Any suggestions you may have regarding the on-going devel-opment of our compressor, equipment and parts programme are welcome at any time.

Please read the information summarised for you in this manual before starting work.It contains important instructions for safety, installation, initial commissioning and handling. In addition you will fi nd informa-tion on maintenance, spare parts and accessories.Some instructions are identifi ed by special symbols with the following meaning:

WARNING! This symbol is used to indicate that inaccurate compliance or total failure to comply with the instructions could cause injury to persons or damage to the compressor or refrigerating machineDANGER! This symbol refers to instructions for avoiding direct severe dangers to persons.

DANGER! This symbol refers to instructions for avoiding direct severe dangers to persons or plant by electrical current.This symbol indicates important additional instructions which you should observe during your work.

The high quality standard of Bock compressors is guaranteed also by on-going further development of machine, features and accessories. This could possibly result in nonconformities between this present manual and your compressor. Please understand that it is not possible for any claims to be derived from the details, illustrations and descriptions.

Your team atBock Kältemaschinen GmbH

Bock Kältemaschinen GmbHPostfach 11 61D-72632 FrickenhausenBenzstr. 7D-72636 FrickenhausenFon: +49 7022 9454-0Fax: +49 7022 9454-137mail@bock.dewww.bock.de

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Page Contents4 Safetyinstructions5 Productdescription Availableversions ProperUse Shortdescription Mainandfunctionalparts Nameplate Typekey9 Areasofapplication Refrigerant Oilfilling Operatinglimits12 Descriptionoffunctions Two-stagerefrigerationcircuitwithliquidsubcooler14 Installation Settingup Installationoftheliquidsubcoolersystem (standarddesign) Factory-installedliquidsubcoolersystem (optionaldesign) Pipeconnections Pipes Shut-offvalves21 Electrical Electricalconnection Connectionofthedrivemotor Circuitdiagram MotorprotectionunitMP10 ConnectionmotorprotectionunitMP10 FunctionaltestoftheMP10 Referencesforcontactorselection Oilsumpheater26 Start-up Preparationsforstart-up Pressurestrengthtest Leaktest Evacuation Refrigerantcharge Puttingintooperation Avoidingliquidshocks29 Maintenance Safetyinstructions Serviceintervals Sparepartsrecommendation Replacementofthevalveplates Screwconnections Extractfromthelubricantstable Takingoutofoperation32 Accessories33 Technicaldata34 Dimensionsandconnections37 Conformityandmanufacturer‘sdeclaration

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SafetyinstructionsThe Bock refrigerating compressors named in the title are intended for installation in machines (within the EU according to EU directive 98/37/EC Machinery Directive, 97/23/EC Pressure Equipment Directive and 73/23/EC Low Voltage Directive). Initial commissioning is only allowed when the compressor has been installed according to these instructions and the whole machine in which it is integrated has been tested and accepted according to the statutory regulations.

Bock refrigerating compressors have been designed to state-of-the-art engineering. Safety for the user is given particular priority during the design stage. However, it is always possible for the refrigerating machine and operation thereof to pose unavoidable residual risks. This is why these instructions must be observed carefully by every person working at the compressor.

Work on the compressor may only be carried out by persons whose technical train-ing, skills and experience together with their knowledge of pertinent regulations and documentation means that they are capable of assessing the work to be carried out and detecting any possible dangers

Safety instructions Any handling of the compressor is permissible only by skilled personnel! Observe national safety regulations, accident prevention regulations,

generally recognized technical rules as well as specifi c regulations (EN 378, EN 60204, EN 60355 etc.).

Carry compressors only with hoists with suffi cient lifting power. Operate compressors only in refrigeration plants with approved refrigerants. Do not exceed permissible operating pressure – even for testing purposes. Caution! Compressors are fi lled with protective gas ex works (approx. 3 bar

nitrogen). Avoid possible injuries to skin and eyes! Wear goggles! Relieve pressure of compressors before connection to the refrigeration system!

Before start-up check compressor for transport damage. Before start-up check that all components mounted by the user are installed

correctly and connected pressure-tight with the compressor (pipes, plugs, union nuts, replaced components etc.).

Before start-up evacuate the refrigeration plant with compressor carefully and then charge with refrigerant.

Open discharge and suction shutoff valves before starting the compressor. Do not start the compressor in vacuum! Operate only with refrigerants charge. Corresponding to the conditions of use, surface temperatures of more than

100 °C on the discharge side and below 0 °C on the suction side can be reached.

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Productdescription

Proper Use

BOCKrefrigeratingcompressorsaredesignedforuseincoolingsystemsusingtherefrigerantsspecifiedbelowandincompliancewiththeoperatinglimits.Onlyrefrigerantsspecifiedonthenameplatemaybeused.Nootheruseofthecompressorispermitted!

Short Description Semi-hermetic,two-stage,six-cylinderreciprocatingcompressorwithsuction-gas-cooleddrivemotor.

StagesdividedintoLP/HPattheratioof2:1 Two-stageoperationwithliquidsubcooler Expansionvalveforsubcoolingadjustedforrefrigerantandapplicationrange

Models available

1.Standarddesign:Compressorwithintermediate-pressurelinemountedand insulated.Liquidsubcooler,expansionvalve,solenoidvalve,filterdrierandtwo sightglassesenclosedseparately,forindividual,externalmounting.2.Optionaldesign:Liquidsubcooler,expansionvalve,solenoidvalve,filterdrierand twosightglassesmounteddirectlytothecompressor,pipedandinsulated.

Warning!Donotuseinpotentiallyexplosiveareas!

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Dischargeshut-offvalve

Suctionshut-offvalve

Intermediatepressureline

Liquidsubcooler,expansionvalve,solenoidvalve,filterdrierandtwosightglasses(ill.,fromlefttoright),enclosedseparatelyforindividual,externalmounting.

Terminalbox

Oilpump

Intermediatepressurechamber

Chargeplug

OildrainplugOilsightglasses

Nameplate

Oilsumpheater

NoticeCEcertificationforpiping(onlyforHGZ7/2110-4)

Main and functional parts (standard version)

Productdescription

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Filterdrier

Liquidsubcooler

sightglasses

Expansionvalve

Solenoidvalve

Main and functional parts (optional version)

Liquidsubcooler,expansionvalve,solenoidvalve,filterdrierandtwosightglassesmounteddirectlytothecompressor,pipedandinsulated.

Productdescription

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Type code (example)

Series¹)Esteroilcharge2)FramesizeSweptvolumeNumberofpolesRefrigerants3)1)HGZ= Hermeticgascooled(suctiongascooled),two-stage2)X = Esteroilfilling(HFCrefrigerantR404A/R507,R410A)3)PossiblealternativerefrigerantsR404A/R507,R410A,R22

HGZX7/2110-4R410A

Name plate (example)

12345

1312

7

11

6

10

89

1 Typedesignation2 Machinenumber3 Maximumoperatingcurrent4 Startingcurrent(rotorblocked) ∆:Partialwinding1 YYY:Partialwindings1and25 ND(LP):Max.allowablestandstillpressure Suctionside HD(HP):Max.allowableoperatingpressure High-pressureside Observeoperatinglimitsdiagrams!

�0 Hz

�0 Hz

6 Voltage,connection,frequency7 Nominalrotationspeed8 Displacement VND=lowpressurestage VHD=High-pressurestage9 Voltage,connection,frequency10 Nominalrotationspeed11 Displacement VND=lowpressurestage VHD=High-pressurestage12 Oiltypechargedatfactory13 Protectionclassterminalbox Electricalaccessoriesofthecompres-

sorcanchangetheIPprotectiveclass

.

.

.

.

Productdescription

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AreasofapplicationRefrigerants (H)CFC: R22 HFC: R404A/R507,R410A

Oil charge

Thecompressorsarechargedwiththefollowingoiltypesatthefactory: forR22: FUCHSRenisoSP46; forR404A/R507,R410A: FUCHSRenisoTritonSE55. Compressorswithesteroilfilling(FUCHSRenisoTritonSE55)aremarkedwithanXinthetypedesignation(e.g.HGZX7/2110-4R410A)

Forcharge,werecommendtheaboveoiltypes.Alternatives:SeeextractfromtheBocklubricantstablep.31.

Operating limits

Thecompressormaybeoperatedwithintherangeofthediagramsshown.Caremustbetakentoassigntherefrigerantcorrectly.Theoperatinglimitsmustbeobserved!Themaximumdischargeendtemperatureof140°Cmustnotbeexceeded.

-Useonlyoilsthatarehighlythermallystable(seelubricantstable) -Avoidcontinuousoperationnearthelimits. -Theexpansionvalveoftheliquidsubcoolerisdesignedforthecorresponding

refrigerant(seenameplate)andissetatthefactoryfortheentirerangeofapplication.Subsequentadjustmentisunnecessary.

Donotexceedthecompressor‘smaximumpermissibleswitchingfrequency(12swit-chingcyclesperhour)!Thesystemmustreachasteadystatecondition(continuousoperation).Donotgobelowtheminimumoperatingtimeof3minutes.

Duringoperationbelowambientpressure,thereisadangerofairenteringonthesuctionside.Thiscancausechemicalreactions,pressureriseinthecondenserandanexcessivepressuregastemperatureaswellasshiftingoftherefrigerantignitionlimitintothecriticalrange.Avoidabsolutelyanyentryofair!

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Design for other areas on request

Unrestricted areaof application

evaporating temperature (°C)

condensing temperature (°C)

suction gas superheat (K)

Areasofapplication

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SubcoolingtemperatureThedesignoftheexpansionvalveonthecompressorcanbedefinedwiththehelpofthediagrambyapproximatelycalculatingthesubcoolingtemperaturearisingintherelevantoperatingconditions(t0/tc).

Subc

oolin

gtem

pera

turea

tthe

subcoolerou

tlet(FU

A)

t u[ °C

]

t0[°C]Evaporatingtemperature

Kältekreislauf mit zweistufigem VerdichterSchematische Darstellung

Erläuterungen

VerdichterZylinder LP-StufeZwischendruckkammer MPZwischendruckleitung MPZylinder HP-StufeZwischenkühler*Expansionsventil*Schauglas 1*Schauglas 2*Magnetventil*Filtertrockner*Schwingungsdämpfer, DruckleitungÖlabscheiderRückschlagventilVerflüssigerKältemittelsammlerFiltertrocknerMagnetventilSchauglasExpansionsventil (Verdampfer)VerdampferFlüssigkeitsabscheiderSchwingungsdämpfer, SaugleitungSaugleitungsfilter

LP = NiederdruckMP = MitteldruckHP = HochdruckFUE = Flüssigkeitszwischenkühler, EingangFUA = Flüssigkeitszwischenkühler, Ausgang* Komponenten für Zwischenkühlsystem, im Lieferumfang

serienmäßig enthalten

Unterkühlungstemperatur

Zur Auslegung des Expansionsventils am Verdampfer kann mit Hilfe des Diagramms die Überschlägige Bestimmung der sich einstellenden Unterkühlungstemperatur bei entsprechenden Betriebsbedingungen (to/tc) ermittelt werden.

123456789

101112131415161718192021222324

Diagramm zur Bestimmung der Unterkühlungstemperatur am Zwischenkühleraustritt[t °C]u

-40-50-55-60-65-70-30

-25

-15

-10

-5

0

-20

-45

5

10

15

20

-35 -30 -25 -20

[to °C]

C°06=ctrutarepmetsgnugissülfreV

C°05=ct C°04=tc C°03=ct

R404A/R507, R410A, R22

Baureihe HGZZweistufige Verdichter

BOCK HGZ...

Unt

erkü

hlun

gste

mpe

ratu

r am

Zw

isch

enkü

hler

aust

ritt

(FU

A)

53

Condensing

temperature

Areasofapplication

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Aftertherefrigerantreciever(16),theliquidlinewillbesplittedintotwolines:

LineAleadsthroughtheliquidsubcooler(6)andthesubcooledrefrigerantflowstotheevaporator(21).ThroughlineB,refrigerantisexpandingthroughtheexpansionvalve(7)intotheliquidsubcooler(6)inordertosubcooltherefrigerantoflineA.AfterwardstherefrigerantoflineBflowstotheintermediatepressurechamber(MP)andthroughtheintermediatepressureline(MP)tocoolthesuperheatedrefrigerant,whichiscompressedfromlowpressuretointermediatepressure.

DescriptionoffunctionsTherefrigerantsuctionedoutoftheevaporator(21)iscompressedbythe4cylindersoftheLPstage(2)tointermediatepressureMP.Afterthat,thesuperheatedrefrigerantflowsthroughtheintermediatepressurechamber(3),whereitiscooledbytheliquidsubcoolersystemtoreducethedischargeendtemperature.Therefrigerantthenflowsthroughtheintermediatepressureline(4)totheelectricmotorofthecompressorfortocoolthemotor.Afterthis,therefrigerantissuctionedinbythetwoHPcylinders(5)andcompressedtothefinalpressure.LiquidsubcoolersystemTheliquidsubcoolersystemconsistsofthecomponents-liquidsubcooler(plateheatexchanger)(6)-expansionvalve(7)-sightglasses(8,9)-solenoidvalve(10)-filterdrier(11)

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Explanations1Compressor2CylinderLP-stage3IntermediatepressurechamberMP4IntermediatepressurelineMP5CylinderHP-stage6Liquidsubcooler7Expansionvalve8Sightglass9Sightglass10Solenoidvalve11Filterdrier12Damper,pressureline13Oilseparator14Non-returnvalve15Condenser

16Refrigerantreceiver17Filterdrier18Solenoidvalve19Sightglass20Expansionvalve(evaporator)21Evaporator22Liquidseparator23Damper,suctionline24Filtersuctionline

LP =LowpressureMP =IntermediatepressureHP =HighpressureFUE =Liquidsubcooler,inletFUA =Liquidsubcooler,outlet

Two-stagerefrigerationcyclewithliquidsubcooler

TC

FUE

TC

FUA

LP

LP

HP

MP

Scopeofsupply

LineA

LineB

Descriptionoffunctions

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InstallationSetting up

Nichtmanuellheben! Hebezeugverwenden! Transportösebenutzen.

AusreichendFreiraumfürWartungsarbeitenvorsehen. AusreichendeMaschinenraumbelüftungvorsehen.

NichtinkorrosiverAtmosphäre,Staub,Dampfoderbrenn-barerUmgebungbetreiben.

Erection

Erect on a fl at surface or frame with suffi cient load-bear-ing ability. Only erect on a slant in consultation with the manufacturer

Single compressor preferably on vibration damper. Duplex and compound connection basically rigid.

Use transport eyelet. Do not lift manually. Use lifting gear.

Ensure there is suffi cient space for maintenance work. Ensure there is suffi cient ventilation in the machine room.

Do not operate in a corrosive atmosphere, dust, vapour or fl ammable environment.

Pipe connections

The pressure and suction shutoff valves have graduated inside diameters, so that pipes in the customary millimeter and inch dimensions can be used. The pipe will be immersed more or less deeply according to dimension.

The connection diameters of the shutoff valves are designed for the maximum compressor output. The actually required pipe cross-section must be adapted to the actually refrigeration capacity. The same applies for non-return valves.

Caution when soldering! Do not overheat the valve. Cool the valve body during and after soldering. Remove screw connections from the valve for soldering.

Warning! Compressors are fi lled with protective gas ex works (approx. 3 bar nitrogen! ● Leave protective gas fi lling in the compressor up to evacuation.● Do not open shutoff valves up to evacuation.● Absolutely avoid entry of air!

Fig.: schematic

Compressorinstallbasicallyrigid.

Leaveinertgaschargeinthecompressoruptoevacuation.

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Installation of the liquid subcooler system (standard version)Separatelyenclosedcomponents: Liquidsubcooler Expansionvalve Solenoidvalve Filterdrier 2sightglasses Screw-insleeve,solderadapterandseals

Pleasecheckforcompletenessofpartsbeforebeginninginstallation.

Observemanufacturer‘sinstructions!

Toavoidvibrationcracksinthesubcoolersystem,theindividualcomponentsmustbemounteddirectlytothecompressororinstalledasadecoupledunit!

InstallationThepointslistedhererepresentgeneralguidelinesandinformationonhowtopipeandconnectthesubcoolerunit.Toperformthisworktechnicalknowledgeand skill as well as proof of a hard-soldering test certificate in accordance with DINEN13133isrequired.

Pipeconnections:Forconnections,seedimensiondiagrampage34-36.● Systemdesign,pipingandnecessarysupportpointsfortheindividualcomponents mustbecarefullyplannedandcarriedout.● Properlyinsulateliquidsubcooleragainstcondensationandheatingandthe relatedlossofperformance.● Forrigidityreasons,theuseofstainlesssteelpipeswithawallof 1mmispreferred.Thepipesmustbefreeoftensionduringandafter solderingtopreventpossiblebreakslateron.

Use only suitable hard solder and flux. Solder under an inert gas atmosphere whencoppercomponentsaretobesoldered!Theaccompanyingexpansionvalveisdesignedandadjustedforthecompressorandthelistedrefrigerant(sensorcharge,nozzle).OnlyuseexpansionvalvesapprovedandsuppliedbyBock!

Theintermediatepressurelineandintermediatepressurechamberarefullyinsulatedatthefactory.Tomounttheexpansionvalve,cuttheinsulationasshowninthemarkedareainill.1,page16.Correctsensorplacementismarkedbyanunpaintedareaonthepipe.

123456

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Installation

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Fig.1

X

W

Intermediatepressureline(Shownwithoutinsulation)

R

R Connectionofpressurecompensationlineforexpansionvalve 7/16"UNF

W Refrigerantinjectionconnection M22x1,5

X Schraderconnectionforintermediate-pressuregauge 7/16"UNF

Y Positionoftemperaturesensor/unpainted

Y

Intermediatepressurechamber

Installation

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1Liquidsubcooler 5Expansionvalve FUA liquidsubcooler,2Filterdrier 6temp.sensorexpansionvalve Outlet3Solenoidvalve 7Pressurecompensationconnection FUE liquidsubcooler,4sightglasses Inlet

Dia.16mm Dia.16mm

Dia.16mm

Dia.16mm Dia.6mm

Dia.12mm

Dia.12mm Dia.12mm

FUE

Installationexample,liquidsubcoolerwithaccessories

MitteldruckkammerMP

Heatinsulation

Fig.2

fromthereceiver

Generalnotes:●Sensorlines,wires,etc.shouldnotbeattachedwithcablebindersdirectly topipesorframes;otherwise,thethinpipesmaybewornthrough. Itisbettertorunthemthroughspiralprotectivetubes.●Ifthecompressorwillbesetupoutside,UV-resistantmaterials shouldbeused.

totheevaporator

LineA LineB

LineBIntermediatepres-surechamberMP

Installation

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FUE

FUA

FUE:LiquidsubcoolerinletFUA:Liquidsubcooleroutlet

Asolderingsuppotfortubediameter54mmismountedtothesuctionshut-offvalveofthecompressor.Asolderingsupportfortubediameter21/8''accompaniesthecompressor.

Factory-installed liquid subcooler system (optional design)

Liquidsubcooler,expansionvalve,solenoidvalveandtwosightglassesaremounteddirectlyatthecompressor,pipedandinsulated.

Pipe connections

The pressure and suction shutoff valves have graduated inside diameters, so that pipes in the customary millimeter and inch dimensions can be used. The pipe will be immersed more or less deeply according to dimension.

The connection diameters of the shutoff valves are designed for the maximum compressor output. The actually required pipe cross-section must be adapted to the actually refrigeration capacity. The same applies for non-return valves.

Caution when soldering! Do not overheat the valve. Cool the valve body during and after soldering. Remove screw connections from the valve for soldering.

Warning! Compressors are fi lled with protective gas ex works (approx. 3 bar nitrogen! ● Leave protective gas fi lling in the compressor up to evacuation.● Do not open shutoff valves up to evacuation.● Absolutely avoid entry of air!

Fig.: schematic

Installation

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Pipes

Pipes and system components must be clean and dry inside and free of scales, metal chippings, and coats of rust and phosphate. Only use hermetically sealed parts.

Lay pipes correctly. Avoid strong vibrations because of the risk of cracks and breaks. Provide suitable fi xed points and/or vibration compensators as required.

Guarantee a correct oil return. Keep pressure losses to an absolute minimum.

Laying suction and discharge line

A proper run of the suction and discharge line immediately after the compressoris of great importance for the system‘s smooth running and freedom from vibration.

Improperly installed pipes can cause cracks and tears, which result inrefrigerantloss.Aruleofthumb:Alwayslaythefirstpipesectionstartingfromthecompressordownwardandparalleltothedriveshaft.

Stablefixedpoint

Asshortaspossible

Installation

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Absperrventile

Vorsicht! Sicherheitshinweise auf Seite 9 beachten!

Vor dem Öffnen oder Schließen des Absperrventils Ventilspindelabdichtung um ca. ¼ Umdrehung entgegen dem Uhrzeigersinn lösen. Nach dem Betätigen des Absperrven-tils Ventilspindelabdichtung im Uhrzeigersinn wieder anziehen.

anziehen

lösen

Ventilspindelabdichtung

Abb.: schematisch

Shut-offvalves

Warning!Complywiththesafetyinstructionsonpage14

Beforeopeningorclosingtheshut-offvalve,turnthevalvespindlesealapprox.¼ofaturncounter-clockwise.Afteractivatingtheshut-offvalve,tightenthevalvespindlesealagainclockwise.

Modeofoperationofthescrew-downserviceconnections

Fig.:schematic

Connection3isintendedforsafeguardsystemsandcannotbeshut-off.

Openingtheshut-offvalveOpenspindle1turningtotheleft(counter-clockwise)asfarasitwillgo.Shut-offvalveisfullyopen/serviceconnection2closed(settingA).

Openingtheserviceconnection(2)Turnspindle1approx.½to1turntotheright(clockwise)Serviceconnection2isnowopen,theshut-offvalveisalsoopen(settingB).

i

SettingA

SettingB Pipeconnection

Pipeconnection

Compressor

Compressor

unscrew

tightenValvespindle

seal

Installation

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Connection of the drive motor

Thecompressorisequippedwithamotorindirectorpart-windingdesign

Designationonthenameplate Designationontheterminalbox

∆ / YYY

Compressorsmarkedinthiswayaresuitablefordirectorpartwindingstart.Themotorwindingisdividedintotwoparts:partwinding1=60%andpartwinding2=40%.Thiswindingdivisionreducesthestart-upcurrentduringapartwindingstarttoapprox.65%ofthevalueforadirectstart.

In the factory, themotor is connected for direct starting (YYY). For partwinding start(∆/YYY) removethebridgesandconnect themotor feedcableaccordingtothecircuitdiagram:

Mechanicalstartunloaderwithbypasssolenoidisnotrequired.Whentestingthewindingwithresistancemeter,pleasenotethatpartwinding1andpartwinding2areinternallyconnected.

Electricalsystem

Make connection of the compressor motor according to the circuit diagram (see inside of terminal box). Comply with local safety regulations for electrical work and the safety standards EN 60204, EN 60335 when connecting.

For cable lead-through at the terminal box use suitable cable screw connections in correct protective version (see name plate). Use strain relief. Avoid abrasion points on cables.

Motor contactors, feed lines and fuses are to be rated according to the maxi-mum operating current (see compressor nameplate).

Compare the details for voltage and frequency on the nameplate with the details for the electricity mains supply. The motor may only be connected up when these details correspond.

Electrical connectionWarning! High voltage! Perform work only with the electrical installationdisconnected from the power supply!

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0979

1-07

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Elektrischer AnschlussAllgemeine HinweiseAllgemeine Hinweise

Warnung! Starkstrom! Arbeiten nur bei spannungslosem Zustand der elektrischenAnlage vornehmen!

Anschluss des Verdichtermotors gemäß Schaltplan (s. Innenseite Klemmenkasten) vornehmen. Beim Anschließen örtliche Sicherheitsbestimmungen für Elektroarbeiten und die Sicherheitsnormen EN 60204, EN 60335 einhalten.Für Kabeldurchführung am Klemmenkasten passende Kabelverschraubungen in richtiger Schutzartausführung (s. Typschild) verwenden. Zugentlastung einsetzen. Scheuerstellen an Kabeln vermeiden.Bei der Dimensionierung der Motorschütze, Zuleitungen und Sicherungen maximalen Betriebsstrom zugrunde legen (s. Typschild). Empfehlungen für die Schaltschütz- und Motorschutzauswahl siehe Tabelle am Ende des Kapitels „Elektrik“.Spannungs- und Frequenzangaben mit Daten des Stromnetzes vergleichen. Motor nur bei Übereinstimmung anschließen.

●

●

●

●

Serienmotor, Ausführung für Direkt- oder TeilwicklungsstartSerienmotor, Ausführung für Direkt- oder Teilwicklungsstart

Bezeichnung auf dem Typschild Aufkleber auf Klemmenkasten

Y / YY

Verdichter mit dieser Kennzeichnung sind für Direkt- oder Teilwicklungsstart geeignet.Die Motorwicklung ist in zwei Teile unterteilt: Teilwicklung 1 = 66 % und Teilwicklung 2= 33 %. Diese Wicklungsaufteilung bewirkt beim Teilwicklungsstart eine Anlaufstromreduzierung auf ca. 65% des Wertes bei Direktstart.

Eine mechanische Anlaufentlastung mit Bypass-Magnetventil wird nicht benötigt.

Werkseitig ist der Motor für Direktstart (YY) geschaltet. Für den Teilwicklungsstart (Y / YY) sind die Brücken zu entfernen und die Motorzuleitung gemäß Schaltschema anzuschließen:

400 V

Direktstart YY Teilwicklungsstart Y/YY

1V1 1W11U1

2W12V12U1

L3L2L1 L3L2L1

L3L2L1

1V1 1W11U1

2W12V12U1

YYY partwindingstart ∆/YYYdirectstartYYY

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Mainline circuit diagram for part-winding start

WARNING!Failure to comply results in reversed fields of rotation and can cause motordamage.Afterthemotorhasstartedupwithpartwinding1,partwinding2mustbeswitchedonaftermax.1seconddelay.Failuretocomplycanbedetrimentaltotheservicelifeofthemotor.

A1 ElectronictriggerMP10Q1 MainswitchF1.1 Motorprotectionswitch(partwinding1)F1.2 Motorprotectionswitch(partwinding2)F2 FusecontrolcurrentcircuitF3 Safetychain(high/lowpressuremonitoring)F4 Oildifferentialpressureswitch

S1 SwitchcontrolvoltageB1 Releaseswitch(thermostat)

K1 Mainscontactor(partwinding1)K1A AuxiliarycontactorK2 Mainscontactor(partwinding2)K1T Delayrelaymax.1s(slowrelease),partwinding2K2T Delayrelaymax.20s(slowrelease),

OpensolenoidY1(supcooler)K3T Delayrelaymax.20s(slowrelease),

compresssorswitch-off(suctionsubcooler)Y1 SolenoidvalveintermediatecoolerM1 Compressormotor

R1 PTCsensorR1.1 Heatprotectionthermostat(PTCsensor)R1.2 Heatprotectionthermostat(PTCsensor)R1.3 Heatprotectionthermostat(PTCsensor)R3 Oiltemperature(NTCsensor)

CAUTION!Ensure that power is supplied via K1 to winding 1 (60 %) (1U1 / 1V1 / 1W1) and via K2 to winding 2 (40 %) (2U1 / 2V1 / 2W1). The motor contactors (K1 / K2) are each toberatedforapprox.70%ofthemax.operatingcurrent.

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23

�nderung

0

Datum Name

Datum

Bearb.

Gepr.

Norm

1

13.Feb.2007

Kelich

11.Feb.2008

Urspr.

2

Ers.f.

3

Ers.d.

4

HGZ7mitMP10

5 6 7

BOCKCOMPRESSORS

8

=

+

9

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Netz400V50Hz

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I=66%

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1

2

3

4

5

6

1U1

1V1

1W1

M/YYY

M1

R1

2U1

2V1

2W1

I=33%

F1.2

K2.9

1

2

3

4

5

6

ON/OFF(Reset)

F4

F2

S1

F1.1

F1.2

K113

14

T2 N

P™l

L

A1

M

MotorProtectionMP10

X1L1L1 N N 434311 12 14L S M

S

13 14.8

K1A

0,51sec.

X2 1 2 3 4 5 6

R1

15 18.9

K1T

R2

R1.1

1520sec

15 18.7

K2T

R1.2

P

F3

1520sec.

R1.3

B1

15 18.8

K3T

K2T.6

15

18

Y1

K3T.7

15

18

K123

24

K1A.5

13

14

1 2.13 4.15 6.2

K1

K1T.6

15

18

K133

34

1 2.33 4.35 6.3

K2

K213

14

L1.1L2.1L3.1NPE

Network

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Thecompressormotorandthehighpressuresideofthecompressorareequippedwithposistortemperaturesensors(PTC).ThetemperaturesensorsarewiredtotheelectronictriggerMP10intheterminalbox.Intheeventofovertemperatureinthemotorwindingoronthehotgassideofthehighpressurestage,theunitswitchesthecompressoroffandthecorrespondingLEDsH1orH2lightup.

Electronic trigger MP 10

The compressor motor is equipped with posistor temperature sensors (PTC) which are wired to the electronic trigger MP 10 in the terminal box. The stand-by mode is indicated by the light diode H3 (green) when mains voltage is applied. In the event of overtempe-rature in the motor winding, the device switches the compressor off and signal lamp H1 lights up red.In addition, the hot gas side of the compressor can be protected from overheating by a heat protection thermostat (accessories). The signal lamp H2 (red) is intended for this function.When the device has triggered, this indicates an overload or intolerable opera-ting conditions. Ascertain and eliminate the cause.

The device has a reclosure preventing feature. After eliminating the fault, the device is quit by interrupting the mains power with the external alarm reset switch S1 (see main-line wiring diagram). The reclosure preventing feature is unlocked and LEDs H1 or H2 go off again.

Connection of the electronic trigger MP 10The electrical connection of MP 10 is to be completed according to the circuit diagram. The trigger is to be protected with a fuse (F) of max. 4 A, slow-acting. To guarantee the protection function, the electronic trigger is mounted as fi rst element in the control power circuit.Connections temperature monitoring:

motor winding: terminals 1- 2 hot gas side: terminals 3- 4

WARNING! Terminals 1 - 6 on the electronic trigger MP 10 and terminals PTC 1 and PTC 2 on the compressor terminal board may not come into contact with mains voltage. This would destroy the electronic trigger and the PTC sensors.

Terminal board

Fig.: schematic

Electronic trigger MP 10

The compressor motor is equipped with posistor temperature sensors (PTC) which are wired to the electronic trigger MP 10 in the terminal box. The stand-by mode is indicated by the light diode H3 (green) when mains voltage is applied. In the event of overtempe-rature in the motor winding, the device switches the compressor off and signal lamp H1 lights up red.In addition, the hot gas side of the compressor can be protected from overheating by a heat protection thermostat (accessories). The signal lamp H2 (red) is intended for this function.When the device has triggered, this indicates an overload or intolerable opera-ting conditions. Ascertain and eliminate the cause.

The device has a reclosure preventing feature. After eliminating the fault, the device is quit by interrupting the mains power with the external alarm reset switch S1 (see main-line wiring diagram). The reclosure preventing feature is unlocked and LEDs H1 or H2 go off again.

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Pos Procedure LED H1 LED H2 LED H3red red green

1 ● Interrupt the power supply (L1 or S1) OFF OFF OFF● Disconnect the motor temperature sensor connection (terminal 1 or 2)● Disconnect the hot gas temperature sensor (if installed) (terminal 3 or 4)

2 ● Switch the power supply on again (L1 or S1). ON● Function check motor temperature sensor: stand-by ON● Function check hot gas temperature sensor: stand-by ON

3 ● Interrupt mains voltage again (L1 or S1) OFF OFF OFF● Connect terminals 1 or 2 respectively 3 or 4 again

4 ● Switch the power supply on again (L1 or S1): OFF OFF ON● MP 10 in stand-by mode

The compressor and the motor protection unit MP10 are ready for use if the LED control lamps signal perfect operating functions.

Function test of the electronic trigger MP 10Before starting up and after any faults or changes to the control power circuit of the machine, check the electronic trigger to ensure that it functions properly:

Information for contactor and motor contactor selectionAllprotectionequipment,switchingandmonitoringdevicesmustcomplywith the localsafetyregulationsandestablishedspecifications(e.g.VDE)andregulationsaswellasthemanufacturer’sspecifications.Usemotorprotectorswitch!Motorcontactors,feedlinesandfusesaretoberatedaccordingtothemaximumoperatingcurrent(seenameplate).Amax. 7 times thepermissibleoperating current according to the compressornameplateissetastheshortcircuittriggeringcurrent.

Attention!Alwaysinstallallelectricalperipheraldevicesinanexternalcontrolcabinetoutsidetheexplosion-endangeredarea!

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Oil sump heating

Start-upPreparations for Initial commissioning

The compressor has undergone trials in the factory and all functions have been tested. There are therefore no special running-in instructions.Before starting up, check the compressor for any signs of transport damage!To protect the compressor from intolerable operating conditions, high- and low-pressure pressostats. Comply with the accident prevention regulations!

Pressure strength test

The compressor was tested in the factory for pressure strength. If the entire plant should be subjected in addition to a pressure strength test, then observe the following: Test the cold circuit according to EN 378-2 (or a corresponding safety standard). Perform the pressure strength test preferably with dry nitrogen. Under no circumstances press off the compressor with air. Do not mix any refrigerant with the testing medium, since otherwise shifting the

ignition limit into the critical range is possible.Danger! The maximum permissible operating pressure of the compressor may not be exceeded during the entire testing process (see name plate infor mation)!

Whenthecompressorisatastandstill,refrigerantdiffusesintothelubricationoilofthecompressorhousing,dependingonpressureandambienttemperature.Thisreducesthelubricationcapacityoftheoil.Whenthecompressorstartsup,therefrigerantcontainedintheoilevaporatesout throughthereduction inpressure.Theconsepuencescanbefoamingandmigrationoftheoil,causingoilshocksundercertaincircumstances.

Inordertoavoiddamagetothecompressor,thecompressorisequippedwithanoilsumpheaterasastandartfeature.Theoilsumpheatershouldalwaysbeconnectedupandoperated.

Operation:Theoilsumpheateroperateswhenthecompressorisatastandstill.Whenthecompressorstartsup,theoilsumpheatingswitchesoff.

Connection:Theoilsumpheatermustbeconnectedviaanauxiliarycontact(orparal-lelwiredauxiliarycontact)ofthecompressorcontactortoaseparateelectriccircuit.El.data:230V-1-50/60Hz,140W

WARNING!Theoilsumpheatermustnotbeconnectedtotheelectricalcircuitofthesafetycontrolchain..

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Inadditiontothesuctionorhighpressureside,theintermediatepressureareaofthe compressor must also be evacuated (Use connection X, see fig. 1, p. 16). The solenoid valve of the subcooling system (p. 17, fig. 2, item 3) must be opened.

● Pay attention to adequate refrigerant fill before starting up the compressor. Duringoperation,refrigerantmustbefreeofbubblesinsightglasses1and2 oftheliquidsubcooler.

Tightness test

Perform the tightness test of the refrigeration plant according to EN 378-2 (or a corresponding safety standard) without inclusion of the compressor (preferably dried with N2).

Do not add any refrigerant to the testing medium since otherwise shifting the ignition limit into the critical range is possible.

Evacuation

Firstly evacuate the plant, then include the compressor in the evacuation process.- Pressure relieve the compressor- Open suction and pressure shutoff valve.- Evacuate with the vacuum pump on the suction and high pressure side.- Vacuum < 1.5 mbar with shutoff pump. - Repeat the process several times if necessary.

WARNING! Do not start the compressor in vacuum. Apply no voltage – also not for test purposes (may be operated only with refrigerant). In the vacuum the spark-over and creepage current distances of the terminal board connection bolts shorten, this can lead to winding and terminal board damage.

Evacuation

Firstly evacuate the plant, then include the compressor in the evacuation process.- Pressure relieve the compressor- Open suction and pressure shutoff valve.- Evacuate with the vacuum pump on the suction and high pressure side.- Vacuum < 1.5 mbar with shutoff pump. - Repeat the process several times if necessary.

WARNING! Do not start the compressor in vacuum. Apply no voltage – also not for test purposes (may be operated only with refrigerant). In the vacuum the spark-over and creepage current distances of the terminal board connection bolts shorten, this can lead to winding and terminal board damage.

Filling with refrigerant

Caution! Wear personal safety gear! Check that the compressor suction and discharge shut-off valves are open. With the compressor switched off, fi ll the liquid refrigerant directly into the condenser

or receiver, breaking the vacuum. If the refrigerant needs topping up after starting the compressor, it can be topped up

in vapour form on the suction side, or, taking suitable precautions, also in liquid form at the inlet to the evaporator.

● Avoid overfi lling the machine with refrigerant.● To avoid shifts in concentration, zeotropic refrigerant blends (e.g. R407C) must always only be fi lled into the refrigerating system in liquid form● Warning! Do not fi ll liquid refrigerant into the suction shut-off valve on the compressor. ● Do not mix additives with the oil and refrigerant.

Filling with refrigerant

Caution! Wear personal safety gear! Check that the compressor suction and discharge shut-off valves are open. With the compressor switched off, fi ll the liquid refrigerant directly into the condenser

or receiver, breaking the vacuum. If the refrigerant needs topping up after starting the compressor, it can be topped up

in vapour form on the suction side, or, taking suitable precautions, also in liquid form at the inlet to the evaporator.

● Avoid overfi lling the machine with refrigerant.● To avoid shifts in concentration, zeotropic refrigerant blends (e.g. R407C) must always only be fi lled into the refrigerating system in liquid form● Warning! Do not fi ll liquid refrigerant into the suction shut-off valve on the compressor. ● Do not mix additives with the oil and refrigerant.

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● Whenselectingtheevaporatorexpansionvalve,payattentiontocorrectionfactorsfor liquidsubcooling.● Avoidtransferofrefrigerantintothecompressorwhenthesystemisatastandstill.● Theuseofaliquidseparatorisrecommended.

Start-up

Warning! Open pressure and suction shutoff valves before starting the compressor!

Check that the safety and protection devices (pressure switch, motor protection, electrical contact protection measures etc.) are all functioning.

Switch the compressor on Check the oil level in the compressor. It must be visible in the sight glass.Caution! If larger quantities of oil have to be refi lled, there is a risk of oil liquid shocks. In this case, the oil return has to be checked. On reaching equilibrium (constant operating conditions), check that the system main-

tains the permitted operating conditions. When the whole system is running perfectly, we recommend drawing up a fi nal proto-

col stating all important data and measured values.Liquid sluggings

WARNING! Liquid slugging can cause damage to the compressor and leakage of refrigerant.

To avoid liquid slugging, the following points should be observed: The whole plant must be properly designed. All components must be rated to be compatible with each other with regard to output

(particularly evaporator and expansion valve). Suction gas overheating at the compressor entrance should be min. 7 - 10 K (check

setting of the expansion valve). The machine must reach a state of equilibrium. Particularly in critical systems (e.g. several evaporator points), measures are recom-

mended such as replacement of liquid traps, solenoid in the liquid line, etc. Coolant should not move in the compressor when the machine is at a standstill.

ToavoidliquidshocksontheHPstage,theexpansionvalvemayonlybeopenedapprox.15-20secondsafterthecompressorisswitchedon(fullloadoperation).Atcompressorshut-down:Closethesolenoidvalveapprox.15-20secondsbeforethecompressorisswitchedoff.

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HGZ7 / ... 1620-4 1860-4 2110-4Designation Art.-Nr.setgaskets 80197

setvalveplatelowpressuresideLP 80193

setvalveplatehighpressuresideHP 80194

setOilpump 80116setOilsumpheater 08426

Maintenance

Avoid entry of air into the plant! Ester oil behaves very strongly hygroscopically. The humidity bonded in the oil cannot be removed suffi ciently by the evacuation process. Therefore very careful handling is required!

To guarantee optimum operating safety and life of the compressor, we recommend performing service and checking work at regular intervals of time: Oil change

- In series plants produced in the factory not mandatory. - In fi eld installations or operating in the application limit area: for the fi rst time after

100 to 200 operating hours, then approx. every 3 years or 10,000 – 12,000 operating hours. Dispose of old oil according to the regulations, observe national regulations.

Regular checks: Tightness, running noise, pressures, temperatures, function of the additional equipment such as oil sump heater, pressure switches: annually. Observe national regulations.

Safety instructionsBefore starting any work on the compressor: Switch the machine off and secure it against being switched back on. Relieve machine from the system pressure.

After maintenance has been performed: Connect safety switch. Evacuate compressor. Cancel switch-on blockage.

Spare part recommendation

HG 34 P /215 - 4 (S)255 - 4 (S)

HG 34 P /315 - 4 (S)380 - 4 (S)

Designation Art. No. Art. No. BS valve plate 80305 80306BS gaskets 08534

Use only original Bock spare parts!

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ReplacingthevalveplatesThecompressorsaredividedintoanLPandanHPcompressorstage.Differentvalveplatedesignsarerequiredbecauseofthedifferentductsintheindividualcompressorstages.Thevalveplateshavebeenfittedwithsafetyboltstopreventanyconfusion.Thesafetyboltsengageinthecorrespondingboresonthecylinderheads,thesafetyboltsmustnotberemoved!

SafetyvalveSafetybolt

Installationofthevalveplates:

Ventilplatte LP-Stufe

Ventilplatte HP-StufeValveplateLPstage ValveplateHPstage

SafetyvalveSafetybolt

Maintenance

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LubricantsBockseriesoilgrades RecommendedalternativesForHCFCs(R22)FUCHSRenisoSP46 FUCHSReniso,z.B.KM,HP,SP32 SHELLClavusSD22-12 TEXACOCapellaWF46 SUNOILSuniso3GSForHFCs(R404A/R507,R410A)FUCHSRenisoTritonSE55 FUCHSRenisoTritonSEZ32 MOBILArcticEAL32 ICIEmkarateRL32H,S SHELLClavusR32RefertotheBocklubricanttablesforinformationaboutfurthersuitableoils.

Excerpt from the lubricant table

The oil grade fi lled as standard in the factory is noted on the name plate. This oil grade should be used preferably. Alternatives to this are listed in the following excerpt from our lubricant table.

Lubricants Bock series oil grades Recommended alternatives For H-CFCs (e.g. R22) FUCHS Reniso SP 46 MOBIL SHC 425 SUNOIL Suniso 4GS SHELL Clavus SD 22-12 TEXACO Capella WF 46 SUNOIL Suniso 3GS For HFCs (e.g. R 134a, R404A, R407C) FUCHS Reniso Triton SE 55 FUCHS SEZ 32 MOBIL Arctic AL 46 ICI Emkarate RL 46 S SHELL Clavus R 46 Refer to the Bock lubricant tables for information about further suitable oils.

Connectingrodscrews M6 15NmOildrainplug,oilfillerplug,oilsumpheating M22x1,5 100NmSightglass,connectionoillevelcontroller M6 15NmFlangeconnection, 7/16″ 13Nmsolderedconnectionshut-offvalves M10 60NmPlugscrews,bungs,valvebodies AL-,LR-plug: 100Nm 1/8″NPTF 25NmLiveconnections M6 3NmRotor M12 65Nm

ScrewedunionsVarious installation, maintenance and servicing work entails intervention in thecompressor.Allworkmust thereforebeperformedwithstrictcompliancewith thegivensafetyinstructions.Thefollowingtorquesmustbeusedwhenre-assemblingthecompressor

Notes:Cylinderhead/valveplate:tightenscrewsfromthemiddleoutwardscrosswiseinatleasttwostages(torque50/100%)

DecommissioningFormajorrepairsorwhendecommissioning:Complywiththesafetyinstructionsonpage29!Closetheshut-offvalveonthecom-pressor,vacuumouttherefrigerant(donotblowout!)anddisposeofcorrectly.Openthescrewedunionsorflangesat thecompressorvalvesandremovethecompressorusinghoistinggearifnecessary.Whenscrappingthecompressor,draintheoilanddisposeofcorrectly.Complywiththenationalregulations!WARNING!Compressorisunderpressure!Avoidinjurestoskinandeyes.Weargoggles!

Maintenance

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Heat protection thermostat

Ifdesired,thecompressorisequippedwithathermalprotectionthermostat(PTCresistor).Itprotectsthecompressorfromunacceptablyhighpressuregastemperatures.ThethermalprotectionthermostatismountedonthehotgassideofthecompressoratthecylinderheadandconnectedtotheMP10triggerunit.Switchingpoints:Switch-offtemperature: approx.145°C±5KSwitch-back-ontemperature: approx.130°C

Accessories

MP 54 oil pressure switch (add-on kit, art. no. 08920)

230V-1-50/60Hz,IP20Ifinstalledatthefactory,theswitchismounteddirectlytothecompressorandpiped.Theelectricalconnectionmustbemadeinaccordancewiththeaccompanyingdescription.Ifaretrofit,theswitchissuppliedwiththecorrespondingfasteningbracketandconnectiontubes.Theoilpumpcoverisequippedtopermitscrewingonofoilpressuredifferencesensors.

Oil differential pressure sensor (∆p switch Kriwan make)

220-240V-1-50/60Hz

Oilpressuremonitoringensuresareliableandsecureoilsupply.Thedevicesimultane-ouslymeasuresboththesuctionandhighpressureoftheoilpump.

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DimensionsandconnectionsCompressorinstandarddesign.Intermediatepressuremixedlinemountedandinsulated.(Liquidsubcoolerwithaccessoriesasanextraitem)

ViewX:Connectionpossibilityforoillevelregulator

Three-holdconnectorforoillevelregulatorProductsESK,AC+R,CARLY(3xM6,10deep)

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Dimensionsandconnections

ViewX:Connectionpossibilityforoillevelregulator

Three-holdconnectorforoillevelregulatorProductsESK,AC+R,CARLY(3xM6,10deep)

Compressorinoptionaldesign.(Liquidsubcoolerwithaccessoriesattacheddirectlytothecompressor)

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SVDV

SuctionlineDischargelinePleaserefertotechnicaldata,page33

FUE LiquidsubcoolerON

FUA LiquidsubcoolerOFF

A Connectionsuctionside,notlockable

A1 Connectionsuctionside,lockable

A2 Connectionintermediatepressure,notlockable

A3 Connectionintermediatepressure,notlockable

B Connectiondischargeside,notlockable

B1 Connectiondischargeside,lockable

C ConnectionoilpressuresafetyswitchOIL

D ConnectionoilpressuresafetyswitchLP

D1 Connectionoilreturnfromoilseparator

E Connectionoilpressuregauge

F Oildrain

FS Sightglassliquidline

H Oilchargeplug

J Oilsumpheater

K Sightglass

L Connectionthermalprotectionthermostat

N Filterdrier

O Connectionoillevelregulator

ÖV Oilservicevalveconnection

P Connectionoilpressuredifferentialsensor

Q Connectionoiltemperaturesensor

R Connectionofpressurecompensationlineforexpansionvalve

R1 Pressurecompensationlineforexpansionvalve

T Solenoidvalve

U expansionvalve-refrigerant-dependent

W Connectionrefrigerantinjection

X ConnectionforSchradervalveforintermediatepressuremanometer

Ø16mm-5/8"

Ø16mm-5/8"1/8"NPTF7/16"UNF1/8"NPTF1/4"NPTF1/8"NPTF7/16"UNF7/16"UNF7/16"UNF1/4"NPTF7/16"UNF

M22x1,5

Ø12mm

M22x1,5

M22x1,5

3holeM61/8"NPTF

Ø12mm

seeviewX1/4"NPTF

M20x1,51/8"NPTF7/16"UNF

Ø6mm

Ø12mm

Ø12mm

M22x1,57/16"UNF

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DECLARATIONOFCONFORMITYCE96foruseofthecompressorswithintheEuropeanUnion

(asperEUlowvoltagedirective73/23/EEC,intheversion93/68/EEC)

Weherewithdeclarethatthehermeticrefrigeratingcompressorsnamedinthetitlecomplywiththelowvoltagedirective73/23/EECintheversion93/68/EEC.

Appliedharmonisedstandard

EN60335-2-34

Wheninstallingourproductsinamachine,thefollowingmanufacturerdeclarationmustbetakenintoconsideration.

MANUFACTURERDECLARATIONforuseofthecompressorswithintheEuropeanUnion

(referingtotheEUmachinerydirective98/37/EEC,annexIIB)

Weherewithdeclarethatthehermeticrefrigeratingcompressorsnamedinthetitleintheversionsuppliedbyusareintendedforinstallationinamachine

whichcomplieswiththemachinerydirective98/37/EEC.

Appliedharmonisedstandards

ENISO12100-1 EN349 EN60529ENISO12100-2 EN60204-1

Itishowevernotpermittedtostartupourproductsbeforethemachineinwhichtheyareintegratedhasbeentestedaccordingtothecorrespondingstatutoryregulationsanddeclaredtobeconforminginallpoints.

Frickenhausen,27.11.2006

Dr.HaraldKaiserTechnicalDirector

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PEDCLASSIFICATION(asperEUPressureEquipmentDirective97/23/EC)

DECLARATIONOFCONFORMITYforuseofthecompressorswithintheEuropeanUnion

(asperEUPressureEquipmentDirective97/23/EC)

Weherebydeclarethatpipingoftherefrigerantcompressors

HGZX7/2110-4R404A/R507,HGZX7/2110-4R410AandHGZ7/2110-4R22

agreeswiththePressureEquipmentDirective97/23/EGdated29May1997.

ValidforCategoryIpipingEvaluationproceduremoduleA

Theotherpartsofthepipingfallunderarticle3§3oftheGuidelineandcorrespondtogoodengineeringpractice

MANUFACTURERDECLARATIONforuseofthecompressorswithintheEuropeanUnion

(asperEUPressureEquipmentDirective97/23/EC)

Weherebydeclarethatpipingoftherefrigerantcompressors

HGZX7/1620-4R404A/R507,HGZX7/1620-4R410A,HGZ7/1620-4R22HGZX7/1860-4R404A/R507,HGZX7/1860-4R410AandHGZ7/1860-4R22

agreeswiththePressureEquipmentDirective97/23/EGdated29May1997.

Vallidforpipingcorrespondingtoarticle3§3

Dr.HaraldKaiserTechnischerLeiter

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Bock Kältemaschinen GmbH

Benzstraße 7

D-72636 Frickenhausen

Telephone +49 7022 9454-0

Fax +49 7022 9454-137

mail@bock.de

www.bock.de

Art. Nr. 09726-05.07-DGbF

Subject to change without notice