BOCK BOCK HG12P Manuale utente

 

 

 

 

 

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 

 

BOCK HG

P (HC/LG)





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





BOCK®

09652-06.2021-DGbFEIRu

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

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 HC compressors

3.5 Type key LG compressors

09652-06.2021-DGbFEIRu

Contents Page

 4 Areasofapplication 10

4.1 Refrigerants

4.2 Oil charge

4.3 Limits of application

5AreasofapplicationonHCand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 and pressure lines

 6.6 Suctionpipelterandlterdrier

6.7 Operating the shut-off valves

6.8 Operating mode of the lockable service connections

 7 Electricalconnection 15

7.1 Information for contactor and motor contactor selection

7.2 Connection of the driving motor

7.3 Circuit diagram for direct start 230 V Δ/ 400 V Y

7.4 Electronic trigger unit INT69 G

7.5 Connection of the electronic trigger unit INT69 G

7.6 Functional test of the electronic trigger unit INT69 G

7.7 Electronic trigger unit INT69 G on HC and LG compressors

7.8 Oil sump heater on HC and LG compressors

8 Commissioning 21

8.1 Preparations for start-up

8.2 Pressure strength test

8.3 Leak test

8.4 Evacuation

8.5 Refrigerant charge

8.6 Start-up

8.7 Avoiding slugging

8.8 Connection of oil level regulator

9 Maintenance 23

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 Technicaldata 25

 11 Dimensionsandconnections 26

 12 Declarationofincorporation 27

13 Service 28

09652-06.2021-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:

09652-06.2021-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 and 2014/68/EU Pres-

sure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!

09652-06.2021-DGbFEIRu

2 |Safety instructions for use of

flammable refrigerants

DANGER • Explosion and fire risk! Hydrocarbons and synthetic HFO

refrigerants are colourless, combustible gases which

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

• Hydrocarbons are classied into the safety group A3 (highly-

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

•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thecompressor

maytherefore onlybe carriedoutby personswho aretrainedin

handlingammablerefrigerants.

09652-06.2021-DGbFEIRu

3|Product description

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

• Suction gas cooled drive motor.

3.1 Shortdescription

Fig. 2

Dimension and connection values can be found in Chapter 11

Fig. 1

Transport eyelet

Valve plate

Oil pump Name plate

Oil sight glass

Cylinder cover

Discharge

shut-off valve

Drive section

Motor section

Terminal box

Suction

shut-off valve

09652-06.2021-DGbFEIRu

3|Product description

3.2 Nameplate(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

5 ND(LP):max.admissibleoperating 10 Nominalrotationspeed

pressure (g)Low pressure side 11 Displacement

 HD(HP):

max. admissible operating

 12 Oiltypelledatthefactory

pressur

e(g)High pressure side 13 Terminal box protection type

Observethelimitsofapplication Electricalaccessoriescanchange

diagrams! theIPprotectionclass!

50 Hz

}

60 Hz

}

HG 21 P 110- 4 SX

3.3 Typekey(example)

¹)HG - HermeticGas-cooled(suctiongas-cooled)forthenormal-/airconditioningapplications

²)X

- Esteroilcharge(HFCrefrigerant,e.g.R134a,R404A/R507,R407C)

³) Additional declaration for Pluscom compressors

4)S - More powerful motor, e.g. for air-conditioning applications

Motor variant 4)

Number of poles

Swept volume

³)

Numbers of cylinders

Size

Oil charge ²)

Series ¹)

Typschild (Beispiel)

513

1 Typbezeichnung

2 Maschinennummer

3 maximaler Betriebsstrom

4 Anlaufstrom (Rotor blockiert)

5 ND (LP): max. zulässiger Stillstandsdruck

Saugseite

HD (HP): max. zulässiger Betriebsdruck

Hochdruckseite

Einsatzgrenzendiagramme beachten!

50 Hz

60 Hz

6 Spannung, Schaltung, Frequenz

7 Nenndrehzahl

8 Hubvolumen

9 Spannung, Schaltung, Frequenz

10 Nenndrehzahl

11 Hubvolumen

12 Werkseitig eingefüllte Ölsorte

13 Schutzart Klemmenkasten

10,6/6,1A

45A 26A

9,4

11,3

HGX12P/110-4S

AS35830A001

Fig. 3

Bock GmbH, Benzstr. 7

72636 Frickenhausen, Germany

BOCK

BOCK lub E55

09652-06.2021-DGbFEIRu

3|Product description

110-

110

3.4 Typekey HCcompressor (example)

3.5 Typkey LGcompressor (example)

¹)HG - Hermetic Gas-Cooled (suction gas-cooled)

²) Additional declaration for Pluscom compressors

³)S - More powerful motor

¹)HG - Hermetic Gas-Cooled (suction gas-cooled)

²)X

- Ester oil charge

³) Additional declaration for Pluscom compressors

4)S - More powerful motor, e.g. for air-conditioning applications

ML - Motor for normal cooling and deep freezing

Hydrocarbons

Motor variant ³)

Number of poles

Swept volume

²)

Numbers of cylinders

Size

Series ¹)

HFO refrigerant

Engine performance in hp

Motor variant 4)

Swept volume

³)

Numbers of cylinders

Size

Oil charge ²)

Series ¹)

09652-06.2021-DGbFEIRu

4|Areas of application

4.1 Refrigerants

• HFKW/HFC:  R134a, R404A/R507, R407C

• (H)FCKW/(H)CFC: R22

4.2 Oilcharge

4.3 Limitsofapplication

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

Alternatives:seechapter 9.4

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

visiblepartofthesightglass;

damage to the compressor is

possibleifoverfilledorunder-

filled! Fig. 4

max.

min.

0,5 Ltr.

oil level ~

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.

-Permissibleambienttemperature(-20°C)-(+60°C).

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

-Max.permissibleswitchingfrequency8x/h.

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

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

Foroperationwithsupplementarycooling:

-Useonlyoilswithhighthermalstability.

-Avoidcontinuousoperationnearthethreshold.

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!

Max.permissibleoperating

pressure(LP/HP)1):19/28bar

1) LP = low pressure HP = high pressure

 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. HGX12P/110-4).

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