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GEA Bock EX-HG44e/EX-HG56e
Assembly instructions
96389-08.2019-Gb
Translation of the original instructions
EX-HG(X)44e/475-4
EX-HG(X)44e/565-4
EX-HG(X)44e/665-4
EX-HG(X)44e/770-4
EX-HG(X)44e/475-4 S
EX-HG(X)44e/565-4 S
EX-HG(X)44e/665-4 S
EX-HG(X)44e/770-4 S
EX-HG(X)56e/850-4
EX-HG(X)56e/995-4
EX-HG(X)56e/1155-4
EX-HG(X)56e/850-4 S
EX-HG(X)56e/995-4 S
EX-HG(X)56e/1155-4 S
Device category 2 G
acc. to directive 2014/34/EU
EX-HG44e/475-4 HC
EX-HG44e/565-4 HC
EX-HG44e/665-4 HC
EX-HG44e/770-4 HC
EX-HG44e/475-4 S HC
EX-HG44e/565-4 S HC
EX-HG44e/665-4 S HC
EX-HG44e/770-4 S HC
EX-HG56e/850-4 HC
EX-HG56e/995-4 HC
EX-HG56e/1155-4 HC
EX-HG56e/850-4 S HC
EX-HG56e/995-4 S HC
EX-HG56e/1155-4 S HC
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Related Manuals for GEA Bock EX-HG44e Series
Summary of Contents for GEA Bock EX-HG44e Series
- Page 1 GEA Bock EX-HG44e/EX-HG56e Assembly instructions Device category 2 G acc. to directive 2014/34/EU 96389-08.2019-Gb Translation of the original instructions EX-HG(X)44e/475-4 EX-HG(X)56e/850-4 EX-HG44e/475-4 HC EX-HG56e/850-4 HC EX-HG(X)44e/565-4 EX-HG(X)56e/995-4 EX-HG44e/565-4 HC EX-HG56e/995-4 HC EX-HG(X)44e/665-4 EX-HG(X)56e/1155-4 EX-HG44e/665-4 HC EX-HG56e/1155-4 HC EX-HG(X)44e/770-4 EX-HG44e/770-4 HC...
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Page 2: Table Of Contents
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 compressor is installed. Manufacturer GEA Bock GmbH 72636 Frickenhausen Contact GEA Bock GmbH Benzstraße 7 72636 Frickenhausen Germany Phone +49 7022 9454-0 Fax +49 7022 9454-137 info@gea.com www.gea.com Contents Page Safety 1.1 Identification of safety instructions... - Page 3 Contents Page Compressor assembly 4.1 Ignition source control of the compressor 4.2 Storage and transport 4.3 Setting up 4.4 Pipe connections 4.5 Pipes 4.6 Laying suction and pressure lines 4.7 Operating the shut-off valves 4.8 Operating mode of the lockable service connections 4.9 Suction pipe filter Electrical connection 5.1 Potential equalization 5.2 Information for contactor and motor contactor selection 5.3 Terminal cross section for leads 5.4 Connection of the drive motor 5.5 - 5.7 Circuit diagrams 5.8 Electronic trigger unit INT69 G Ex 5.9 Connection of the electronic trigger unit INT69 G Ex 5.10 Functional test of the electronic trigger unit INT69 G Ex 5.11 To verify the intrinsic safety of the PTC hot gas sensor Commissioning 6.1 Preparations for start-up 6.2 Pressure strength test...
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Page 4: Safety
1| Safety 1.1 Identification of safety instructions: 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. -
Page 5: Safety Instructions
1 | Safety 1.3 Safety instructions WARNING • Refrigerating compressors are pressurised machines and there- fore require particular caution and care in handling. • Risk of burns! Depending on the operating conditions, surface temperatures of over 60 °C on the pressure side or below 0 °C on the suction side can be reached. -
Page 6: Intended Use
1 | Safety 1.4 Intended use These assembly instructions describe the compressors named in the title manufactured by GEA. The compressor is intended for use in refrigeration systems inside explosion-endangered areas under the designation specified on the name plate in accordance with the European ATEX Directives. Use of the specified refrigerants as well as observance of the operating limits and listed standards must be ensured in any case. Likewise, all accessories available from, approved and specially marked by GEA are exclusively approved, according to their intended use, for attachment to and operation with GEA compressors of appliance category 2 in accordance with Directive 2014/34/EU. WARNING Any other use of the compressor and its approved accessories is prohibited! The ATEX permit is voided if the compressor is used outside the operating limits or undergoes inadmissible design changes! -
Page 7: Product Description
2 | Product description 2.1 Short description • EX-HG44e: Semi-hemetic four-cylinder reciprocating compressor with oil pump lubrication. • EX-HG56e: Semi-hemetic six-cylinder reciprocating compressor with oil pump lubrication. • For use in explosion-endangered areas. Transport eyelet Potential Discharge equalization shut-off valve Oil pump Name plate Oil sight glass EX-HG44e Fig. 1 Terminal box Suction shut-off valve Cylinder cover Valve plate Drive section Motor section EX-HG56e Fig. 2 Dimension and connection values can be found in Chapter 10... -
Page 8: Ignition Protection Concept
2 | Product description 2.2 Ignition protection concept In accordance with Directive 2014/34/EU, GEA ATEX compressors are suitable for use in device category 2 for explosive gas atmospheres up to temperature class T3 and explosion hazard subgroup IIB/IIC. The entire compressor, including motor, is perceived as technically tight and therefore does not need an ignition protection. To prevent ignition risk caused by working materials also during system malfunctions, all used work- ing materials have to meet the requirements for the temperature class of the compressor. The surface temperature of the compressor may not exceed 80 % of the ignition temperature of the working material. For this reason all working materials need to have an auto-ignition temperature of > 250 °C. - Page 9 2 | Product description Accessories Heating elements for the compressors to protect against explosion risks are designed in the protection types increased safety (Ex d) and have to have to be mounted stationary at the designated areas in the compressor housing. The heating elements can be operated without temperature- and oil level control since the thermal type testing by the manufacturer verified that the heating elements prevent the exceeding of the temperature class of the compressor. The control has to be carried out in a way that the heating element can only be operated during shutdown of the compressor.
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Page 10: Name Plate
2 | Product description 2.3 Name plate (example) Fig. 3 Type designation Voltage, circuit, frequency 50 Hz Machine number Nominal rotation speed maximum operating current Displacement Starting current (rotor blocked) Voltage, circuit, frequency Y: Part winding 1 10 Nominal rotation speed 60 Hz YY: Part windings 1 and 2 11 Displacement ND (LP): max. admissible operating 12 Oil type filled at the factory pressure (g) Low pressure side 13 Terminal box protection type HD (HP): max. admissible operating 14 Permissible ambient temperature pressure (g) High pressure side Observe the limits of Electrical accessories can change application diagrams! the IP protection class! -
Page 11: Atex Identification / Iecex Identification
2 | Product description 2.5 ATEX identification / IECEx identification Ex d e IIB/IIC T3 Gb Equipment protection level Temperature class T3 (max. 200 °C) Explosion subgroups, IIB = Offshore paint finish IIC = ESD paint finish Encapsulation, magnetic coil (option) Intrinsically safe equipment Increased safety Flameproof enclosure, heater (option) E urop. explosion protection acc. to Direc. 2014/34/EU Suitability for gas-explosive area Device category 2 (= zone 1) Explosion group II for Ex-endangered areas (not underground buildings) - Page 12 3 | Areas of application ATEX approval type IECEx approval type EPS 17 ATEX 1002 X / IECEx EPS 17.0001 X S pecial conditions: see "Conditions of Certification" Year of test/Test report number Bureau Veritas Consumer Products Services Germany GmbH International explosion protection S pecial 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...
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Page 13: Areas Of Application
3 | Areas of application 3.1 Approved refrigerant • HFKW / HFC: R134a, R404A, R507, R407C • (H)FCKW / (H)CFC: • Hydrocarbons: R290, R1270 INFO Used refrigerants have to have a self-ignition temperature of > 250 °C. 3.2 Important information on the use of hydrocarbons Hydrocarbons (combustible refrigerants) may be used in the compressors named in the title only if all relevant and applicable regulations, standards and technical rules are followed. National safety regu- lations must be observed. In addition, we refer to the following applicable standards and regulations: EN 378, BGR500, TRBS 2152, EC Directives 1999/92/EC and 2014/34/EU. -
Page 14: Oil Charge
3 | Areas of application 3.3 Oil charge The following oil grades are approved for the compressor: Refrigerant Oil grade FUCHS Reniso SP 46 R134a, R404A, R507, R407C FUCHS Reniso Triton SE 55 R290, R1270 FUCHS Reniso Synth 68 INFO Used refrigerant oils have to have a self-ignition temperature of > 250 °C. Compressors with ester oil filling (FUCHS Reniso Triton SE 55) are marked with an X in the type designation (e.g. EX-HGX44e/770-4). Compressors with oil filling FUCHS Reniso Snyth 68 are marked with HC (e.g. EX-HG44e/770-4 HC). Operate compressors only with the approved refrigerants and the corresponding assigned and approved oils. Other combinations (e.g. R22 with ester oils) are not permitted! Conversion to another refrigerant/oil is not permitted! Oil level: The oil level from the factory reaches the upper edge of the sight glass. The oil level must... -
Page 15: Limits Of Application
3 | Areas of application 3.4 Limits of application ATTENTION Compressor operation is possible within the operating limits. These can be found in GEA Bock compressor selection tool (VAP) under vap.gea.com. Observe the information given there. - Max. permissible discharge end temperature 140 °C. -
Page 16: Compressor Assembly
4 | Compressor assembly INFO • New compressors are factory-filled with inert gas. Leave this ser- vice charge in the compressor for as long as possible and prevent the ingress of air. • Check the compressor for transport damage before starting any work. -
Page 17: Storage And Transport
4 | Compressor assembly 4.2 Storage and transport Storage at (−30 °C) - (+70 °C), maximum permissible relative humi- dity 10 % - 95 %, no condensation Do not store in a corrosive, dusty, vaporous atmosphere or in a com- Fig. 5 bustible environment. Use transport eyelet. Do not lift manually! Use lifting gear! Fig. 6 4.3 Setting up ATTENTION Fittings (e.g. pipe holders, additional units, mounting parts etc.) on the compressor are not permissible! Provide adequate clearance for maintenance work. Ensure adequate compressor ventilation. Fig. -
Page 18: Pipe Connections
4 | Compressor assembly 4.4 Pipe connections The pressure and suction shut-off valves have graduated inside diameters so that pipes in the common millimeter and inch dimensions can be used. The pipe will be inserted more or less deep, depending on the dimension. The connection diameters of the shut-off valves are designed for maximum compressor performance. The actual required pipe cross Fig.12: graduated section must be matched to the output. The same applies for internal diameter non-return valves. -
Page 19: Laying Suction And Pressure Lines
4 | Compressor assembly 4.6 Laying suction and pressure lines ATTENTION Improperly installed pipes can cause cracks and tears which can result in a loss of refrigerant INFO Proper layout of the suction and pressure lines directly after the com- pressor is integral to the smooth running and vibration behaviour of the system. -
Page 20: Operating Mode Of The Lockable Service Connections
4 | Compressor assembly 4.8 Operating mode of the lockable service connections Connection cannot Service connection be shut off closed Pipe connection Connection Spindle blocked Opening the shut-off valve: Fig. 16 Compressor Spindle: turn to the left (counter-clockwise) as far as it will go. —> Shut-off valve completely opened / service connection closed. The connection which cannot be shut off is intended for safety devices. Connection cannot Service connection be shut off opened Pipe connection Spindle Connection open Opening the service connection Fig. -
Page 21: Potential Equalization
5 | Electrical connection INFO Connect the compressor motor according to the circuit diagram (s. fig. 19-21 or sticker inside the terminal box). Comply with local safety reg- ulations for electrical work, safety standards (within the EU: EN 60204, EN 60335 among others) and regulations for setting up electrical systems in explosion-endangered areas (within the EU: IEC/ EN 60079-14 among others). -
Page 22: Information For Contactor And Motor Contactor Selection
5 | Electrical connection 5.2 Information for contactor and motor contactor selection WARNING Always install all electrical peripheral devices in an external control cabinet outside the explosion-endangered area! All protection devices and switching or monitoring units must be fitted in accordance with the local safety regulations and established specifications (e.g. VDE) as well as with the manufacturer’s infor- mation. Motor protection switches are required! Motor contactors, feed lines, fuses and motor protection switches must be rated on the basis of the maximum working current (see name plate). For motor protection use a current-dependent and time-delayed overload protection device for moni- toring all three phases. Set the overload protection device so that it must be actuated within 2 hours, if there is 1.2 times the max. working current. 5.3 Terminal cross section for leads To limit the heating of conducting parts, the minimum terminal cross sections, indicated in the table have to be followed. -
Page 23: Connection Of The Drive Motor
5 | Electrical connection 5.4 Connection of the drive motor INFO The compressor is equipped with a motor in Part-Winding design. Designation on the name plate Y/YY Compressors marked in this way are suitable for direct or part winding start. The motor winding is divided into two parts: part winding 1 = 50 % and part winding 2 = 50 %. This winding division reduces the start-up current during a part winding start to approx. 50 % of the value for a direct start. - Page 24 5.5 Circuit diagrams for power section Legend for circuit diagram YY (direct start) Power section QA1 Main switch Performance contactor direct start FC1.1 Motor safety switch EC1 Compressor motor BT1 PTC-sensor motor winding BT2 Thermal protection thermostat UC1 Terminal box compressor X KK Terminal strip in terminal box compressor X SS Terminal strip in external switch cabinet Legend for circuit diagram Y / YY (part-winding start) Power section QA1 Main switch...
- Page 25 FC1.1 FC1.1 FC1.2 I> I> I> I> I> I> I> I> I> XKK D 1 XKK PW 1 / 1.b.4 / 1.b.9 XKK D 2 XKK PW 2 / 1.b.4 / 1.b.9 XKK D 3 XKK PW 3 / 1.b.4 / 1.b.9 XKK D 4 XKK PW 4...
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Page 26: Electronic Trigger Unit Int69 G Ex
5.6 Circuit diagrams for control section for direct start Legend for circuit diagram YY (direct start) FC1.1 Motor safety switch FC2.1 Control fuse FC2.2 Control fuse LR / oil sump heater SF1 Control voltage O/I QA2 Performance contactor direct start KF3 Collective malfunction alarm contactor KF4 ² Electronic trigger unit INT69 EX2 FA1 AC-double barrier (compression temperature) BT3¹ Pump down- pressostat/ thermostat or external enabling switch BP1/BP2¹ High/low pressure monitoring in accordance with the relevant national regulations X SS Terminal strip in the external switch cabinet X KK Terminal strip in the supplemental terminal box with recognised protection type Optional KF1... - Page 27 INT69 EX2 FC2.1 FC2.2 Δ XKK D 1 XKK D 2 Externe E xternal release LR Freigabe LR FC1.1 4 PA XKK D 3 XKK D 4 Max. 90sec Potentialfrei Voltage-free Störung Safety chain fault Sicherheitskette P< P> P-öl Kriwan The circuit diagram is a system scheme for assignment and order of the safety chain, without Der Schaltplan ist nur ein Systemschema, zur Anordnung und Reihenfolge der Sicherheitskette, ohne Störungsmeldungen und Montageanordnung error messages and installation arrangement (whether inside or outside the Ex zone).
- Page 28 5.7 Circuit diagrams for control section Y/YY part winding start Legend for circuit diagram Y / YY (part-winding-start) FC1.1 Motor safety switch FC1.2 Motor safety switch FC2.1 Control fuse FC2.2 Control fuse LR / oil sump heater SF1 Control voltage O/I QA2 Performance contactor part winding I QA3 Performance contactor part winding II KF3 Collective malfunction alarm contactor KF4 ² Electronic trigger unit INT69 EX2 KF5 Time relay for time delayed connect of the second part winding FA1 AC-double barrier (compression temperature) BT3¹...
- Page 29 FC2.1 FC2.2 INT69 EX2 Δ FC1.1 XKK PW 1 max 90s XKK PW 2 FC1.2 Externe E xternal release LR Freigabe LR 4 PA XKK PW 3 max 90s XKK PW 4 max 1s Voltage-free Potentialfrei or br P< P> P-öl Kriwan Störung Safety...
- Page 30 5 | Electrical connection 5.8 Electronic trigger unit INT69 EX2 ATTENTION Install INT69 EX2 outside the explosion-endangered area. The INT69 EX2 trigger unit must be installed according to the wiring diagram. The hot gas sensors of the cylinder cover and the temperature sensors of the motor are observed by the electronic trigger unit INT69 EX2. In case of excess temperature in the motor winding and/or in the hot gas, the INT69 EX2 deactivates the motor contactor. Once cooled, it can be restarted only if the electronic lock of the output relay (terminals 1+2) is released by a mains reset > 5 sec. The INT69 EX2 fulfills the requirements of the IPL 1 (Ignition Prevention Level) as prescribed in the EN 80079-37 and has an appropriate EX identification. The unit trips when an overload or inadmissible operating conditions occur. Find and remedy the cause.
- Page 31 5 | Electrical connection 5.9 Connection of the trigger unit INT69 EX2 Wire the PTC temperature sensor of the compressor motor, thermal protection thermostats of the cylinder cover, pressure and temperature monitoring of the system according to the wiring diagram (fig. 20+21). Pay attention for connecting the PTC sensor. Terminals 1 + 2 on the trigger unit INT69 EX2 and terminals PTC 1 and PTC 2 on the compressor terminal board must not come into contact with mains voltage. This would destroy the trigger unit and PTC sensors.
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Page 32: To Verify The Intrinsic Safety Of The Ptc Hot Gas Sensor
5 | Electrical connection 5.11 To verify the intrinsic safety of the PTC hot gas sensor To verify the intrinsic safety of the hot gas sensor, the following values must be rated: Thermal protection thermostat (Art. No. 50159) Conditions for intrinsic safety [ V ] ≤ 15.8 ≤ [ V ] ≤ 15.8 ≤ [ mA ] ≤ ≤ [ mA ] ≤... -
Page 33: Commissioning Gb
6 | Commissioning WARNING All of the following work must be performed only by qualified personnel (see p. 4) and with exclusion of an explosive atmosphere. 6.1 Preparations for start-up INFO In order to protect the compressor against prohibited operating conditions, high- and low-pressure monitors are necessary in accordance with the relevant national regulations! The compressor has undergone trials in the factory and all functions have been tested. There are... -
Page 34: Evacuation
6 | Commissioning 6.4 Evacuation ATTENTION Do not start the compressor if it is under vacuum. Do not apply any voltage - even for test purposes (must only be operated with refrigerant). Under vacuum, the spark-over and creepage current distances of the terminal board connection bolts shorten; this can result in winding and terminal board damage. First evacuate the system and then include the compressor in the evacuation process. Relieve the compressor pressure. -
Page 35: Start-Up
6 | Commissioning 6.6 Start-up WARNING Ensure that both shut-off valves are open before starting the compressor! Check that the safety and protection devices (pressure switch, motor protection, electrical contact protection measures, etc.) are functioning properly. Switch on the compressor and let it run for at least 10 minutes. Check the oil level: The oil must be visible in the sight glass. ATTENTION If larger quantities of oil have to be topped up, there is a risk of oil impact effects. If this is the case, check the oil return! 6.7 Avoiding liquid sluggings ATTENTION Slugging can result in damage to the compressor and cause refrigerant to leak. -
Page 36: Maintenance
7 | Maintenance 7.1 Preparation WARNING All work must be performed only by: qualified personnel (see page 4) with exclusion of any danger of explosion. Before starting any work on the compressor: Obtain written work release. Switch off the compressor and secure it to prevent a restart. Relieve compressor of system pressure. -
Page 37: Screw Connections
7 | Maintenance EX-HG56e / ... 850-4 (S) 995-4 (S) 1155-4 (S) Item No. Item No. Item No. Designation Set of gaskets 81658 Set of valve plate 81500 81501 Set of oil pump 81503 Only use original GEA spare parts! Information on available replacement parts can be obtained from the replacement parts list. Further repair work can only be carried out at the factory. INFO If system function must be guaranteed with certainty, we recom- mend a standby compressor. -
Page 38: Accessories
8| Accessories 8.1 Capacity regulation (retrofit kit item no. 81570) The compressor output can be reduced for EX-HG44e to 50 % and for EX-HG56e to 66 %. The capacity regulation works on a cylinder bank. It is necessary to replace a cylinder cover (included in the kit) for retrofitting. INFO The gas velocities and pressure conditions of the refrigerating plant change in operation with capacity regulation: Adapt the suction line run and dimensioning correspondingly, do not set control intervals too closely (steady state condition of the ref- rigeration plant must be reached), continuous operation in the control stage is not recommended (uneconomical). -
Page 39: Oil Sump Heater
8| Accessories 8.2 Oil sump heater (retrofit kit item no. 81401) The explosion-protected heating element is supplied as PTC heating element in a flameproof enclosure (Ex d) and is supplied with an electrical supply line of approx. 3.2 metres. Electrical wiring within the potentially explosive area could be though the terminal box compressor. The connection line for the heating element must be laid permanently and mechanically protected. During assembly and installation, the requirements of EN 60079-14 and EN 60079-17 must be observed. In addition, nationally applicable laws, safety regulations (BetrSichV) or provisions must be observed. ATTENTION The supply line length of 3.2 m must not be shortened under any circumstances during installation (integrity of protection against arcing or flame penetration within the cable insulation). -
Page 40: Oil Differential Pressure Sensor Int250 Ex
8 | Accessories 8.3 Oil differential pressure sensor INT250 Ex (retrofit kit item no. 80516) The oil differential pressure sensor kit INT250 Ex consists of screw-in parts INT250 Ex and switching parts, switching repeater and two timers. The switching part INT250 Ex is supplied with a 3-meter electrical supply line. Electrical wiring within the potentially explosive area could be through the terminal box compressor. Within the zone classification, the electrical circuit must be executed intrinsically safe, a switching repeater is included with the kit. The timers contained in the kit must be integrated in accordance with the basic cir- cuit diagram of these instructions for assembly, They enable the rise/fall delay of the oil differential pressure sensor INT250 Ex. Enable the time relay on a on delay of 90 sec. (KF1) res. -
Page 41: Technical Data
9| Technical data Oil charge (sight glass centre) Oil charge (ex works) Suction line Discharge line Weight Starting current (rotor locked) Max. power consumption Max. operating current 380-420 V Y/YY - 3 - 50 Hz PW 440-480 V Y/YY - 3 - 60 Hz PW Voltage PW = Part Winding Winding ratios: 50 % / 50 % Displacement (1450 / 1740 rpm) No. of cylinders Type... - Page 42 9| Technical data Oil charge (sight glass centre) Oil charge (ex works) Suction line Discharge line Weight Starting current (rotor locked) Max. power consumption Max. operating current 380-420 V Y/YY - 3 - 50 Hz PW 440-480 V Y/YY - 3 - 60 Hz PW Voltage PW = Part Winding Winding ratios: 50 % / 50 % Displacement (1450 / 1740 rpm) No. of cylinders Type...
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Page 43: Dimensions And Connections
Freigabe / Approved 07.03.17 A. Layh A. Layh GEA Bock GmbH - Benzstraße 7 - 72636 Frickenhausen - Germany - www.bock.de arb. / Edited Geprüft / Appr. Maß / Dimension 0a | Anschluss A2 auf A geändert... - Page 44 10| Dimensions and connections EX-HG44e Suction line see technical data, Chapter 9 Discharge line 1 / 8 “ NPTF Connection suction side, not lockable 7 / 16 “ UNF Connection suction side, lockable 1 / 8 “ NPTF Connection discharge side, not lockable 7 / 16 “ UNF Connection discharge side, lockable 7 / 16 “ UNF Connection oil pressure safety switch LP 1 / 4 “ NPTF Connection oil return from oil separator 1 / 8 “ NPTF Connection oil pressure gauge Oil drain M12 x 1.5...
- Page 45 J. Faßbender D. Widmaier Geprüft / Verified M. Gneiting 28.02.17 Freigabe / Approved A. Layh A. Layh GEA Bock GmbH - Benzstraße 7 - 72636 Frickenhausen - Germany - www.bock.de 28.02.17 Maß / Dimension Passung / Clearance Edited Geprüft / Appr.
- Page 46 10| Dimensions and connections EX-HG56e Suction line see technical data, Chapter 9 Discharge line 1 / 8 “ NPTF Connection suction side, not lockable 7 / 16 “ UNF Connection suction side, lockable 1 / 8 “ NPTF Connection discharge side, not lockable 7 / 16 “ UNF Connection discharge side, lockable 7 / 16 “ UNF Connection oil pressure safety switch LP 1 / 4 “ NPTF Connection oil return from oil separator 1 / 8 “ NPTF Connection oil pressure gauge Oil drain M12 x 1.5...
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Page 54: Service
12| Service Dear customer, GEA compressors are top-quality, reliable and service-friendly quality products. If you have any questions about installation, operation and accessories, please contact our technical service or specialist wholesaler and/or our representative. The GEA service team can be contacted by phone with a toll-free hotline 00 800 / 800 000 88 or via e-mail: info@gea.com Yours faithfully GEA Bock GmbH Benzstraße 7 72636 Frickenhausen Germany... - Page 56 50 countries. Founded in 1881, the company is one of the largest providers of innovative equipment and process technology. GEA Group is listed in the STOXX ® Europe 600 index. GEA Bock GmbH Benzstraße 7 Phone +49 (0)7022 9454-0 info@gea.com...
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