Advertisement

Quick Links

BOCK
EX-HG8
®
Operating guide
EX-HG8/2830-4 3G
EX-HG8/3220-4 3G
EX-HG8/2470-4 S 3G
EX-HG8/2830-4 S 3G
EX-HG8/3220-4 S 3G
Translation of the original instructions
Device category 3 G
acc. to directive 2014/34/EU
EX-HGX8/2830-4 3G
EX-HGX8/3220-4 3G
EX-HGX8/2470-4 S 3G
EX-HGX8/2830-4 S 3G
EX-HGX8/3220-4 S 3G
EX-HG8/2830-4 3G HC
EX-HG8/3220-4 3G HC
EX-HG8/2470-4 S 3G HC
EX-HG8/2830-4 S 3G HC
EX-HG8/3220-4 S 3G HC
AQ453247532811en-000201

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the BOCK EX-HG8/2830-4 3G and is the answer not in the manual?

Questions and answers

Summary of Contents for Danfoss BOCK EX-HG8/2830-4 3G

  • Page 1 BOCK EX-HG8 ® Device category 3 G Operating guide acc. to directive 2014/34/EU EX-HG8/2830-4 3G EX-HGX8/2830-4 3G EX-HG8/2830-4 3G HC EX-HG8/3220-4 3G EX-HGX8/3220-4 3G EX-HG8/3220-4 3G HC EX-HG8/2470-4 S 3G EX-HGX8/2470-4 S 3G EX-HG8/2470-4 S 3G HC EX-HG8/2830-4 S 3G EX-HGX8/2830-4 S 3G EX-HG8/2830-4 S 3G HC EX-HG8/3220-4 S 3G...
  • Page 2: Table Of Contents

    1.1 Identification of safety instructions 1.2 Qualifications required of personnel 1.3 Safety instructions 1.4 Intended use Product description 2.1 Short description 2.2 Ignition protection concept 2.3 Name plate 2.4 Type key 2.5 ATEX-identification © Danfoss | Climate Solutions | 2023.07 2 | AQ453247532811en-000201...
  • Page 3 7.3 Spare part recommendation/accessories 7.4 Screw connections 7.5 Decommissioning Accessories 8.1 Capacity regulation 8.2 Oil sump heater 8.3 Oil pressure differential sensor 8.4 Oil separator Technical data 10 Dimensions and connections © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 3...
  • Page 4: Safety

    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. © Danfoss | Climate Solutions | 2023.07 4 | AQ453247532811en-000201...
  • Page 5: Safety Instructions

    The plant constructor/operator must evaluate the interactions with other devices and components of the system and with the environment, especially regarding potential ignition sources. © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 5...
  • Page 6: Intended Use

    WARNING! Any other use of the compressor and its approved accessories is prohibited! The ATEX permit is voided if the compressor is used out- side the operating limits or undergoes inadmissible design changes! © Danfoss | Climate Solutions | 2023.07 6 | AQ453247532811en-000201...
  • Page 7: Product Description

    Valve plate Discharge Cylinder shut-off valve cover Motor section Oil pump Name plate Oil sight glass Drive section Fig. 1 Dimension and connection values can be found in Chapter 10 © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 7...
  • Page 8: Ignition Protection Concept

    IIC. In the special design for protection from corrosive environments (offshore), the compressor is provided with a special paint finish that conform to the requirements of explosion group IIB. © Danfoss | Climate Solutions | 2023.07 8 | AQ453247532811en-000201...
  • Page 9: Name Plate

    X - Ester oil filling (HFC refrigerant, e.g. R134a, R404A, R507, R407C) ³ S - More powerful motor, e.g. air conditioning applications for explosion-endangered atmospheres caused by gases, vapours or mists © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 9...
  • Page 10: Atex-Identification

    International explosion protection Special conditions: see point 17 of the EC type examination certificate Test report number ATmospheres EXplosibles european explosion protection Year of test Bureau Veritas Consumer Products Services Germany GmbH © Danfoss | Climate Solutions | 2023.07 10 | AQ453247532811en-000201...
  • Page 11: Areas Of Application

    A high-viscosity lubricant may be required, depending on the application and experience. The lubricant must be released for use by Bock. Depending on the application, a pump-down switch should also be added (e.g. when the refrigeration system is set up outside). © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 11...
  • Page 12: Oil Charge

    = 7 - 10 K, individual adjustment required. Permissible ambient temperature range -20 °C bis +60 °C Permissible ambient temperature range when using a capacity regulator: -20 °C to +50 °C Avoid continuous operation near the limits. © Danfoss | Climate Solutions | 2023.07 12 | AQ453247532811en-000201...
  • Page 13 Evaporation temperature (°C) Fig. 4 Condensing temperature (°C) Suction gas overheating (K) Suction gas temperature (°C) EX-HGX8/2470-4 3G EX-HGX8/2830-4 3G EX-HGX8/3220-4 3G R407C max. evaporating temperature = 0 °C Fig. 5 © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 13...
  • Page 14 Max. permissible operating pressure (LP / HP) : 19 / 28 bar LP = Low pressure ∆t = 20K HP = High pressure Design for other t (°C) areas on request Fig. 9 © Danfoss | Climate Solutions | 2023.07 14 | AQ453247532811en-000201...
  • Page 15: Compressor Assembly

    10 % - 95 %, no condensation Do not store in a corrosive, dusty, vaporous atmosphere or in a com- bustible environment. Fig. 10 Use transport eyelet. Do not lift manually! Use lifting gear! Fig. 11 © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 15...
  • Page 16: Setting Up

    Abnehmer oder Dritte ist nicht gestattet. Erstellt 19.04. Kurz Wir behalten uns alle Rechte, gemäß DIN ISO 16016 an dieser Zeichnung vor. Geprüft Benzstraße 7 72636 Frickenhausen Germany www.bock.de Freigabe © Danfoss | Climate Solutions | 2023.07 16 | AQ453247532811en-000201...
  • Page 17: Pipe Connections

    A rule of thumb: Always lay the first pipe section starting from the shut-off valve downwards and parallel to the drive shaft. Rigid As short fixed point as possible Fig. 19 © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 17...
  • Page 18: Operating The Shut-Off Valves

    Before opening or closing the shut-off valve, release the valve spindle seal by approx. ¼ of a turn counter-clockwise. After activating the shut-off valve, re-tighten the adjustable valve spindle seal clockwise. Release Tighten Valve spindle seal Fig. 21 Fig. 20 © Danfoss | Climate Solutions | 2023.07 18 | AQ453247532811en-000201...
  • Page 19: Operating Mode Of The Lockable Service Connections

    For systems with long pipes and higher degree of contamination, a filter on the suction-side is recom- mended. The filter has to be be renewed depending on the degree of contamination (reduced pressure loss). © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 19...
  • Page 20: Electrical Connection

    Appropriately protect cable screw connections / plug screws made of plastic if there is an increased risk of mechanical hazard. © Danfoss | Climate Solutions | 2023.07 20 | AQ453247532811en-000201...
  • Page 21: Information For Contactor And Motor Contactor Selection

    The insulation plate used on the terminal board serves to guarantee the air and creepage paths. It is therefore essential that it remains on the terminal board. Use tubular cable lugs for the electrical connection to the terminal board. © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 21...
  • Page 22: Connection Of The Drive Motor

    Motor für den Direktstart bei annung geschaltet. Für den Stern- erer Spannung geschaltet. Für den Stern- auf bei niederer Spannung sind die eck-Anlauf bei niederer Spannung sind die entfernen. ken zu entfernen. © Danfoss | Climate Solutions | 2023.07 22 | AQ453247532811en-000201...
  • Page 23 Icing/condensate formation in the terminal box of the compressor must be avoided due to the danger of short circuits (e.g. through appropriate suction gas overheating). Carefully set suction gas overheating temperature! Check regularly for icing! © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 23...
  • Page 24 (1U1 / 1V1 / 1W1) and via K2 to winding 2 (50 %) (2U1 / 2V1 / 2W1). The motor contactors (K1 / K2) are each to be rated for approx. 50 % of the max. operating current. = Installation outside of the explosion endangered area! © Danfoss | Climate Solutions | 2023.07 24 | AQ453247532811en-000201...
  • Page 25 P o w e r s e c t i o n p a r t - w i n d i n g s t a r t Revision Index Datum Name Ersteller Schaltplan ATEX HH7,8 bauknecht Fig. 25 Motoranschluß 08.04.2014 Part-Winding/Direktstart © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 25 Urspr. Ers. f. Ers. d. BOCK COMPRESSORS...
  • Page 26 When using 24 V DC the installation of a safety isolating transformer is mandatory. WARNING! With the installation of control and adjust parts the valid regulations for the explosion protection have to be observed! External control cabinet outside the Ex zone! © Danfoss | Climate Solutions | 2023.07 26 | AQ453247532811en-000201...
  • Page 27 Die Typenschildangaben- und Betriebsanleitungen vom Hersteller der zu verwendenden Bauteile sind Unbedingt zu beachten. to be used must always be observed. Datum 18.05.2006 Schaltplan ATEX HH7, 8 Fig. 26 Bearb. bauknecht Direkt © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 27 Gepr. 26.10.2017 BOCK COMPRESSORS V1.1 Οnderung Datum Name Norm Urspr.
  • Page 28 (1U1 / 1V1 / 1W1) and via K2 to winding 2 (50 %) (2U1 / 2V1 / 2W1). The motor contactors (K1 / K2) are each to be rated for approx. 50 % of the max. operating current. = Installation outside of the explosion endangered area © Danfoss | Climate Solutions | 2023.07 28 | AQ453247532811en-000201...
  • Page 29 Die Typenschildangaben- und Betriebsanleitungen vom Hersteller der zu verwendenden Bauteile sind Unbedingt zu beachten. to be used must always be observed. Datum 18.05.2006 Schaltplan ATEX HH7, 8 Fig. 27 Bearb. bauknecht Part Winding © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 29 Gepr. 26.10.2017 BOCK COMPRESSORS Οnderung Datum Name Norm Urspr.
  • Page 30: Electronic Release Unit Mp

    This would destroy the trigger unit and PTC sensors. The supply voltage at L1-N (+/- for DC 24 V version) must be identical to the voltage at terminals 11, 12, 14 and 43. © Danfoss | Climate Solutions | 2023.07 30 | AQ453247532811en-000201...
  • Page 31 LEDs H1 or H2 go out. The locking device (B2) must not be removed. MP 10 connection circuit diagram Fig. 28 Terminal box External control cabinet outside the Ex zone! © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 31...
  • Page 32: Function Test Of The Trigger Unit Mp

    • Reconnect terminals 1 or 2 and/or 3 or 4 Restore the power supply (L1 or S1): • MP 10 is operational again • The compressor and the trigger unit MP10 are operational when the H3 LED (green) lights. © Danfoss | Climate Solutions | 2023.07 32 | AQ453247532811en-000201...
  • Page 33: Commissioning Gb

    Evacuate the suction and discharge pressure sides using the vacuum pump. At the end of the evacuation process, the vacuum should be < 1.5 mbar when the pump is switched off. Repeat this process as often as is required. © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 33...
  • Page 34: Refrigerant Charge

    Particularly in critical systems (e.g. several evaporator points), measures such as the use of liquid traps, solenoid valve in the liquid line, etc. are recommended. There should be no movement of refrigerant whatsoever while the compressor is at a standstill. © Danfoss | Climate Solutions | 2023.07 34 | AQ453247532811en-000201...
  • Page 35: Preventing Icing On The Compressor

    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. Change of seal terminal box > compressor housing: Seal has to be renewed every 5 years. © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 35...
  • Page 36: Spare Part Recommendation/Accessories

    When the compressor is depressurised, undo the fastening screws of the shut-off valves. Remove the compressor using an appropriate hoist. Dispose of the oil inside in accordance with the applicable national regulations. © Danfoss | Climate Solutions | 2023.07 36 | AQ453247532811en-000201...
  • Page 37: Accessories

    Clamping range cable screw connections (metal): 5 - 8 mm. Clamping range cable screw connections (plastic): 6 - 12 mm. * Please note that the legacy BOCK code numbers are without 097B © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 37...
  • Page 38 Otherwise the sudden change in load can damage the compressor! Comply with the switching interval of 60 s. • Comply with the switching sequence: Swiching on Swiching off © Danfoss | Climate Solutions | 2023.07 38 | AQ453247532811en-000201...
  • Page 39: Oil Sump Heater

    50 Ω per volt of rated voltage. * Please note that the legacy BOCK code numbers are without 097B © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 39...
  • Page 40: Oil Pressure Differential Sensor

    A direct oil return into the suction line from the oil separator is not permissible. Ensure that the oil separator is properly dimensioned. * Please note that the legacy BOCK code numbers are without 097B © Danfoss | Climate Solutions | 2023.07 40 | AQ453247532811en-000201...
  • Page 41: Technical Data

    380-420 V Y/YY - 3 - 50 Hz PW 440-480 V Y/YY - 3 - 60 Hz PW PW = Part Winding Winding ratios : 50 % / 50 % No. of cylinders © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 41...
  • Page 42: Dimensions And Connections

    Datum / Date Bearb. / Edited Geprüft / Appr. of the grant of a patent, utility model or design. Betrifft Blatt 2 © Danfoss | Climate Solutions | 2023.07 42 | AQ453247532811en-000201 8/2830-4 3G 17101 EX-HGX8/2830-4 3G 17106 EX-HG8/2830-4 3G HC...
  • Page 43 Dimensions MP10 for use in switching cabinets length: 100 mm width: 60 mm height: 52 mm ca.630 Dimensions with accessory parts M20x1,5 (EX e mb) ca.940 Fig. 31 Dimensions in mm © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 43...
  • Page 44 © Danfoss | Climate Solutions | 2023.07 44 | AQ453247532811en-000201...
  • Page 45 © Danfoss | Climate Solutions | 2023.07 AQ453247532811en-000201 | 45...
  • Page 46 © Danfoss | Climate Solutions | 2023.07 46 | AQ453247532811en-000201...

This manual is also suitable for:

Bock ex-hgx8/2830-4 3gBock ex-hg8/2830-4 3g hcBock ex-hg8/3220-4 3gBock ex-hgx8/3220-4 3gBock ex-hg8/3220-4 3g hcBock ex-hg8/2470-4 s 3g ... Show all

Table of Contents