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GEA Bock FK50
Assembly instructions
09704-10.2019-Gb
Translation of the original instructions
FK50/460 N
FK50/555 N
FK50/460 K
FK50/555 K
FKX50/460 N
FKX50/555 N
FKX50/460 K
FKX50/555 K
FK50/660 N
FK50/775 N
FK50/660 K
FK50/775 K
FKX50/660 N
FKX50/775 N
FKX50/660 K
FKX50/775 K
FK50/830 N
FK50/980 N
FK50/830 K
FK50/980 K
FKX50/830 N
FKX50/980 N
FKX50/830 K
FKX50/980 K
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Summary of Contents for GEA Bock FK50 Series
- Page 1 GEA Bock FK50 Assembly instructions 09704-10.2019-Gb Translation of the original instructions FK50/460 N FK50/555 N FK50/660 N FK50/775 N FK50/830 N FK50/980 N FK50/460 K FK50/555 K FK50/660 K FK50/775 K FK50/830 K FK50/980 K FKX50/460 N FKX50/555 N FKX50/660 N...
- Page 2 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...
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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 Brief 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 Maximum permissible inclination 4.3 V-belt drive 4.4 Main bearing load... -
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: General Safety Instructions
Only the refrigerant specified in these instructions may be used. Any other use of the compressor is prohibited! The GEA refrigerating compressor named in the title is intended for installation in a machine (within the EU according to the EU Directives 2006/42/EC Machinery Directive and 2014/68/EU Pressure Equipment Directive). -
Page 6: Product Description
2| Product description 2.1 Brief description Two different designs are available for various ranges of application: > for air-conditioning the K Design > for air-conditioning or normal cooling the N Design The differences lie mainly in the valve plate tooling which is adapted to each applica- tion range where operational safety and efficiency are concerned. -
Page 7: Type Key
2| Product description 2.2 Name plate (example) GEA Bock GmbH BB12345A029 72636 Frickenhausen, Germany FKX50/775N 67,4 19/28bar Fig. 3 Machine number Type designation Factory-filled oil type Displacement at 1450 rpm LP: Max. permissible operating pressure Observe the limits of application (g) Low pressure side diagrams! HP: Max. -
Page 8: Areas Of Application
3.3 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 - Max. permissible ambient temperature: 100°C - Max. permissible switching frequency: 12 x /h... -
Page 9: Compressor Assembly
Transport and suspension unit on both eyebolts (Fig. 4). Fig. 4 Fittings (e.g. pipe holders, additional units etc.) on the compressor are permissible only following consultation with GEA. Setup on an even surface or frame with sufficient load-bearing capacity. Use all 4 fastening points. Correct setup of the compressor and mounting of the belt drive are decisive for running comfort, operating safety and the service life of the compressor. -
Page 10: V-Belt Drive
4| Compressor assembly 4.3 V-belt drive ATTENTION Inappropriately designed belt drives, especially belt knocking or excessive tensioning forces can cause compressor damage! Make sure that the drive belt is designed correctly, e.g. by using t ensioners and selecting the belt profile and the belt length. During operation with capacity controllers (Accessories, Chap. 7), the changing load can cause increased running noises and belt drive vibrations. -
Page 11: Pipe Connections
4| Compressor assembly 4.6 Pipe connections The discharge and suction line valves have stepped internal diameters, enabling the use of pipes with standard millimetre and inch dimensions. The depth of pipe insertion will depend on the dimension. The connection diameters of the shut-off valves are designed for maximum compressor output. -
Page 12: Operating Mode Of The Lockable Service Connections
4| Compressor assembly 4.9 Operating mode of the lockable service connections Opening the shut-off valve Spindle 1: turn to the left (counter- clockwise) as far as it will go. —> Shut-off valve fully opened / service connection 2 closed. Fig. 12 Opening the service connection (2): Spindle 1: - 1 rotation to the right —>... -
Page 13: Commissioning
5| Commissioning 5.1 Preparations for start-up INFO To protect the compressor against inadmissible operating condi- tions, high-pressure and low-pressure pressostats 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. -
Page 14: Refrigerant Charge
5| Commissioning 5.5 Refrigerant charge CAUTION Wear personal protective clothing such as goggles and protective gloves! ATTENTION Avoid overfilling the system with refrigerant! To avoid shifts in concentration, zeotropic refrigerant blends must always be added to the refrigerating plant in liquid form. Do not pour liquid refrigerant through the suction line valve on the compressor. It is not permissible to mix additives with the oil and refrigerant. Make sure that the suction and discharge line valves are open. -
Page 15: Avoiding Liquid Shocks
5| Commissioning The compressor shaft is sealed to outside using a shaft seal. The sealing element rotates with the shaft. The following is especially important to ensuring fault-free operation: The complete refrigerant circuit must be correctly executed and clean inside. Heavy shocks and vibrations to the shaft as well as continuous cyclic operation are to be avoided. -
Page 16: Maintenance
6| Maintenance 6.1 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. Prevent air from infiltrating the system! After maintenance has been performed: Connect safety switch. Evacuate compressor. Release switch lock. 6.2 Work to be carried out Oil change: In principle, an oil change is not mandatory if the system is correctly manufactured and operated. -
Page 17: Recommended Spare Parts
Oil SP 46, 1 litre 02279 Oil SE 55, 1 litre 02282 Only use genuine GEA spare parts! 6.5 Integrated decompression valves The valves are fundamentally maintenance-free. However, constant leakage can occur after repeated blowing off due to abnormal operating conditions. -
Page 18: Accessories
7| Accessories 7.1 Capacity regulation ATTENTION Capacity-regulated operation alters the gas speeds and pressure ratios of the refrigerating plant: Adjust the suction line routing and dimensioning accordingly, do not set the control intervals too close and do not let the system switch more than 12 times per hour (refriger- ating plant must have reached a state of equilibrium). Continuous operation in the control stage is not recommended as the gas velocity in the plant system under certain circumstances does not... -
Page 19: Technical Data
8| Technical data No. of cylinders... -
Page 20: Dimensions And Connections
C - FK5 FK(X)50/660 N 13867 (13875) * FK(X)50/660 K 13868 (13876) Freiga GEA Bock GmbH - Benzstraße 7 - 72636 Frickenhausen - Germany - www.bock.de Maß / Dimension Passung / Clearance Änd.-Nr. / Mod-No. Datum / Date Bearb. / Edited Geprüft / Appr. - Page 21 9| Dimensions and connections Suction line see technical data, Chapter 8 Discharge line Connection suction side, not lockable 8 " NPTF Connection suction side, lockable 16 " UNF Connection discharge side, not lockable 8 " NPTF Connection discharge side, lockable 16 "...
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Page 22: Installation Certificate
10| Installation certificate Declaration of incorporation for incomplete machinery in accordance with EC Machinery Directive 2006/42/EC, Annex II 1. B Manufacturer: GEA Bock GmbH Benzstraße 7 72636 Frickenhausen, Germany We, as manufacturer, declare in sole responsibility that the incomplete machinery... -
Page 23: Service
11| 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... - Page 24 • • 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 ®...
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