GEA HG34P Series Assembly Instructions Manual
Bock compressor
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- Maintenance manual (40 pages) ,
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Bock Compressor HG34P
Assembly instructions
HG34P/125-4
HG34P/255-4
HG34P/315-4
HG34P/380-4
engineering for a better world
HG34P/125-4 S
HG34P/255-4 S
HG34P/315-4 S
HG34P/380-4 S
HGX34P/125-4
HGX34P/255-4
HGX34P/315-4
HGX34P/380-4
GEA Refrigeration Technologies
HGX34P/125-4 S
HGX34P/255-4 S
HGX34P/315-4 S
HGX34P/380-4 S
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D
GB
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Table of Contents
Related Manuals for GEA HG34P Series
Summary of Contents for GEA HG34P Series
- Page 1 Bock Compressor HG34P Assembly instructions HG34P/125-4 HG34P/125-4 S HGX34P/125-4 HGX34P/125-4 S HG34P/255-4 HG34P/255-4 S HGX34P/255-4 HGX34P/255-4 S HG34P/315-4 HG34P/315-4 S HGX34P/315-4 HGX34P/315-4 S HG34P/380-4 HG34P/380-4 S HGX34P/380-4 HGX34P/380-4 S engineering for a better world GEA Refrigeration Technologies...
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Page 2: Safety 4
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. Manufacturer GEA Bock GmbH 72636 Frickenhausen Contact GEA Bock GmbH Benzstraße 7... -
Page 3: Table Of Contents
Contents Page Safety 1.1 Identification of safety instructions 1.2 Qualifications required of personnel 1.3 General safety instructions 1.4 Intended use Product description 2.1 Short description 2.2 Name plate 2.3 Type key Areas of application 3.1 Refrigerants 3.2 Oil charge 3.3 Limits of application Compressor assembly 4.1 Setting up 4.2 Pipe connections 4.3 Pipes 4.4 Laying suction and pressure lines... -
Page 4: Safety
1| Safety 1.1 Identification of safety instructions: Indicates a dangerous situation which, if not DANGER! avoided, will cause immediate fatal or serious injury. Indicates a dangerous situation which, if not WARNING! avoided, may cause fatal or serious injury. Indicates a dangerous situation which, if not CAUTION! avoided, may cause fairly severe or minor injury. Indicates a situation which, if not ATTENTION! avoided, may cause property damage. INFO! Important information or tips on simplifying work. 1.2 Qualifications required of personnel WARNING! I nadequately qualified personnel poses the risk of accidents, the consequence being serious or fatal injury. Work on compressors must therefore only be performed by personnel with the qualifica- tions listed below: • F or example, a refrigeration technician, refrigeration mechatron-... -
Page 5: Intended Use
1| Safety 1.4 Intended use These assembly instructions describe the standard version of the HG34P manufactured by Bock. The compressor is intended for use in refrigeration systems in compliance with the limits of application. Only the refrigerant specified in these instructions may be used. Any other use of the compressor is prohibited! WARNING! The compressor may not be used in potentially explosive environments! The Bock refrigerating compressor named in the title is intended for installing in a machine (within... -
Page 6: Product Description
2| Product description 2.1 Short description • Semi-hermetic four-cylinder reciprocating compressor with oil pump lubrication. • Suction gas cooled drive motor. Transport eyelet Valve plate Discharge shut-off valve Name plate Oil pump Oil sight glass Fig. 1 Terminal box Cylinder cover Drive section Motor section Suction shut- off valve Fig. -
Page 7: Type Key
2| Product description Typschild (Beispiel) 2.2 Name plate (example) GEA Bock GmbH 72636 Frickenhausen, Germany HGX34P/315-4 27,3 AS38125A001 21,1/12,2A 32,8 121A SE 55 Fig. 3 Typbezeichnung Spannung, Schaltung, Frequenz 50 Hz Maschinennummer Type designation Voltage, circuit, frequency Nenndrehzahl maximaler Betriebsstrom 50 Hz Machine number... -
Page 8: Areas Of Application
3| Areas of application 3.1 Refrigerants • HFKW / HFC: R134a, R404A/R507, R407C • (H)FCKW / (H)CFC: 3.2 Oil charge The compressors are filled at the factory with the following oil type: - for R134a, R404A/R507, R407C FUCHS Reniso Triton SE 55 - for R22 FUCHS Reniso SP 46 Compressors with ester oil charge (FUCHS Reniso Triton SE 55) are marked with an X in the type designation (e.g. - Page 9 3| Areas of application R134a Fig. 4 R407C Fig. 5 Unlimited application range Supplementary cooling or reduced suction gas temperature Supplementary cooling and reduced suction gas temperature R404A/R507 Motor version S (more powerful motor) Evaporation temperature (°C) Condensing temperature (°C) Fig.
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Page 10: Compressor Assembly
4| Compressor assembly INFO! New compressors are factory-filled with inert gas (3 bar nitrogen). Leave this service 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. 4.1 Setting up Use transport eyelet. Do not lift manually! Use lifting gear! Fig. -
Page 11: Pipes
4| Compressor assembly 4.3 Pipes Pipes and system components must be clean and dry inside and free of scale, swarf and layers of rust and phosphate. Only use air-tight parts. Lay pipes correctly. Suitable vibration compensators must be provided to prevent pipes being cracked and broken by severe vibrations. Ensure a proper oil return. Keep pressure losses to an absolute minimum. 4.4 Laying suction and pressure lines INFO! Proper layout of the suction and pressure lines directly after the compressor is integral to the smooth running and vibration behaviour... -
Page 12: Operating The Shut-Off Valves
4| Compressor assembly 4.5 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. 14 Fig. 15 4.6 Operating mode of the lockable service connections Service connec- tion closed Pipe connection Spindle Connection blocked Compressor Fig. 16 Opening the shut-off valve: Spindle: turn to the left (counter-clockwise) as far as it will go. —>... -
Page 13: Information For Contactor And Motor Contactor Selection Dgb
5| Electrical connection Electrical connection DANGER! H igh voltage! Risk of electric shock! Only carry out work when the electrical system is disconnected from the power supply! INFO! Connect the compressor motor in accordance with the circuit diagram (see inside of terminal box). Use suitable cable entry point of the correct protection type (see name plate) for routing cables into the terminal box. -
Page 14: Circuit Diagram For Direct Start 230 V Δ / 400 V Y F
5.3 Circuit diagramm for direct start 230 V ∆ / 400 V Y ... - Page 15 Alarm Motor protection Overheating R1, R2 Alarm high pressure Terminal strip in the external switch cabinet ...
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Page 16: Start Unloader
5| Electrical connection 5.4 Start unloader To avoid current peaks during the starting phase we recommend using the Bock-ESS soft starting device (Electronic Soft Start). Refer to "Accessories" for further information. 5.5 Electronic trigger unit MP 10 The compressor motor is fitted with cold conductor temperature sensors (PTC) connected to the electronic trigger unit MP 10 in the terminal box. - Page 17 5| Electrical connection 5.7 Function test of the trigger unit MP 10 Before start-up, troubleshooting or making changes to the control power circuit, check the functionality of the trigger unit: LED H1 LED H2 LED H3 Procedure green • Interrupt power supply (L1 or S1) • Release the motor temperature sensor connection (1 or 2) •...
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Page 18: Commissioning
6| Commissioning 6.1 Preparations for start-up INFO! In order to protect the compressor against inadmissible operating conditions, high-pressure and low-pressure pressostats controls are mandatory on the installation side. The compressor has undergone trials in the factory and all functions have been tested. There are therefore no special running-in instructions. Check the compressor for transport damage! 6.2 Pressure strength test WARNING! The compressor must never be pressurised using oxygen or other... -
Page 19: Refrigerant Charge
6| Commissioning 6.5 Refrigerant charge CAUTION! Wear personal protective clothing such as goggles and protective gloves! Make sure that the suction and pressure line shut-off valves are open. With the compressor switched off, add the liquid refrigerant directly to 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. INFO! Avoid overfilling the system with refrigerant! I n order to prevent shifts in concentration, zeotropic refrigerant blends (e.g. -
Page 20: Connection Of Oil Level Regulator
6| Commissioning 6.8 Connection of oil level regulator The connection "O" is provided for installing an oil level regulator. A corresponding adapter must be obtained from the trade. 7| Maintenance 7.1 Preparation WARNING! Before starting any work on the compressor: Switch off the compressor and secure it to prevent a restart. Relieve compressor of system pressure. -
Page 21: Accessories
7| Maintenance 7.4 Accessories Available accessories can be found on the Internet at www.bock.de. 7.5 Extract from the lubricants table The oil type filled as standard in the factory is marked on the name plate . This oil type should be used as a preference. Alternatives are stated in the extract from our lubricants table below. Refrigerants Bock standard oil types Recommended alternatives... -
Page 22: Technical Data
8| Technical data 220-240 V ∆ / 380-420 V Y - 3 - 50 Hz 265-290 V ∆ / 440-480 V Y - 3 - 60 Hz... -
Page 23: Dimensions And Connections
9| Dimensions and connections Maße Z ca.285 Änderungen vorbehalten Massenschwerpunkt Subject to change without notice Centre of gravity Maße Z Centre of gravity ca.285 Änderungen vorbehalten Massenschwerpunkt Sous réserve de toutes modifications Centre de gravité Subject to change without notice Centre of gravity Sous réserve de toutes modifications Centre de gravité... -
Page 24: Declaration Of Conformity And Installation
EN 60034-1, EN 60204-1 DECLARATION OF INSTALLATION for using the compressors within the European Union (in accordance with Machinery Directive 2006/42/EC) The manufacturer: GEA Bock GmbH, Benzstraße 7 72636 Frickenhausen, Tel.: 07022/9454-0 hereby declares that the refrigerating compressor HG34P complies with the basic requirements of Appendix II 1B of the Machinery Directive 2006/42/EC. The following harmonised standards have been applied:... -
Page 25: Service
The Bock service team can be contacted +49 7022 9454-0 by phone: via e-mail: bock@gea.com www.bock.de or on the Internet at: In addition, for German-speaking countries we have set up a toll-free Bock hotline 00 800 / 800 000 88 from Monday to Saturday between 8 am and 9 pm. - Page 26 Responsibility GEA-versity GEA Group is a global engineering company with multi-billion euro sales and operations in more than 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.
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