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Summary of Contents for BOCK FK50
- Page 1 BOCK FK 5 Assembly instructions 09704-03.2025-Gb Translation of the original instructions FKX50/660 N FKX50/775 N FKX50/830 N FKX50/980 N FKX50/660 K FKX50/775 K FKX50/830 K FKX50/980 K FKX50/660 K1 FKX50/775 K1 FKX50/830 K1 FKX50/980 K1 BOCK ® colour the world...
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Page 2: About These Instructions
Such persons must read the safety advice and have understood it. Bock assumes no liability for any damage arising from non-compliance. Manufacturer... -
Page 3: Table Of Contents
Contents Page Safety 1.1 Identification of safety instructions 1.2 Qualifications required of personnel 1.3 Danger to life and limb in the event of faults during operation 1.4 General safety instructions 1.5 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... -
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 Bock 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) BOCK BB12345A029 Bock GmbH, Benzstr. 7 72636 Frickenhausen, Germany FKX50/775N 67,4 19/28bar Öl: BOCK lub E55 Fig. 3 Machine number Type designation Factory-filled oil type Displacement at 1450 rpm LP: Max. permissible operating pressure Observe the limits of application... -
Page 8: Areas Of Application
3.3 Limits of application 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. - Max. permissible discharge end temperature: 140 °C - Permissible ambient temperature: (-20 °C) - (+100 °C) - Max. permissible switching frequency: 12 x /h... -
Page 9: Compressor Assembly
Fig. 4 Storage at (-40 °C) - (+100 °C), maximum permissible relative humidity 10 % - 95 %, no condensation. Fittings (e.g. pipe holders, additional units etc.) on the compressor are permissible only following consultation with Bock. 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 (offsets, inclinations) 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, if installed, have stepped internal diameters, enabling the use of pipes with standard millime- tre 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 Gb
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: Characteristics For K1 Special Housing
Oberf Unbemaßte Radien / Undimensioned radii: Indica DIN E 11738 16.12.22 C. Polizzi A. Layh A. Layh 26.07.22 S. Büttner 11620 BOCK G Maß Dimension Passung / Clearance Änd.-Nr. / Mod-No. Datum / Date Bearb. / Edited Geprüft / Appr. -
Page 14: Commissioning Pt
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 15: Oil Level Check
0.05 ml per operating hour is therefore normal. This applies particularly during the run-in phase (200 - 300 h). T o trap and collect leaked oil, the FK50 is fitted with an inte- grated leak oil trapping device with oil reservoir (P. 6, Fig. 1). The compressor shaft is sealed to outside using a shaft seal. The sealing element rotates with the shaft. -
Page 16: Avoiding Liquid Shocks
5| Commissioning 5.8 Avoiding liquid shocks ATTENTION Slugging can damage the compressor and cause refrigerant to leak. To prevent liquid shocks: The complete refrigeration plant must be correctly designed and executed. The capacities of all components must be compatible (particularly evaporator and expansion valve). Suction gas superheating at the evaporator output should be at least 7 – 10 K (check setting of the expansion valve). -
Page 17: Shaft Seal, Emptying The Oil Reservoir
6| Maintenance Where requirements are higher during use (frequent operation at the limits of application, or in hotlands with over +40 °C ambient temperature, or in the case of deep freezing), the following requirements must be observed: • Initial oil change during the first maintenance of the vehicle (at the latest after one year) • Then an oil change after every 2,000 operating hours, at the latest however after two years. Also clean the oil filter. Preventive maintenance The above requirements for higher use applications also apply in the case of preventive maintenance. The shaft seal must also be changed after 3 years. Regular inspections (at least annually): Checks to be carried out on oil level in the oil sight glass, oil fill level of the shaft seal in the oil drain hose, absence of leaks in the compressor, running noise, vibrations, pressures, temperatures, and functioning of auxiliary devices such as the capacity control. -
Page 18: Recommended Spare Parts
It is for this reason, that we only recommend the use of oil from Bock! Bock assumes no liability for any damage arising from alternative oil types. -
Page 19: Accessories
Electrical actuation of the solenoid valve: Normally open, (cor- responds to 100 % compressor capacity). Cylinder covers for capacity regulation are marked with the designation "CR" (Capacity Regulator). FK50 / ..N ... K Designation Item No. Item No. -
Page 20: Thermi Protection Thermostat
7| Accessories 7.2 Thermal protection thermostat (Item No. 07595) A screw-in option is provided for the sensor element on the hot gas side of the compressor housing (see Chap. 9). Connect the thermal protection thermostat in series with the control line. Technical Data: Switching voltage max. : 24 V DC Switching current max. : 2.5 A at 24 V DC Switch-off temperature : 145 °C ±... -
Page 21: Technical Data
8| Technical data Oil pump Rotation-independent Lubri cation Forced lubrication Mass moment of inertia Oil charge Weight Displacement (1450 min) Displacement Rotation speed Swept volume No. of cylinders Type FK50/... -
Page 22: Dimensions And Connections
/ above FKX50/660 N 13875 * FKX50/660 K 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 23 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 24: Declaration Of Incorporation
10| Declaration of incorporation Declaration of incorporation for incomplete machinery in accordance with EC Machinery Directive 2006/42/EC, Annex II 1. B Manufacturer: Bock GmbH Benzstraße 7 72636 Frickenhausen, Germany We, as manufacturer, declare in sole responsibility that the incomplete machinery... - Page 25 Declaration of incorporation of partly completed machinery in accordance with UK Statutory Instrument Supply of Machinery (Safety) Regulations 2008, Annex II 1. B Manufacturer: Bock GmbH Benzstraße 7 72636 Frickenhausen, Germany We, as manufacturer, declare in sole responsibility that the partly completed machinery...
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Page 26: Service
11| Service Dear customer, if you have any questions about installation, operation and accessories, please contact our technical service or specialist wholesaler and/or our representative. The Bock service team can be contacted by phone, +49 (0)7022 9454-0 or via bock.info@danfoss.com. Yours faithfully Bock GmbH... - Page 28 BOCK ® Bock GmbH Benzstraße 7 72636 Frickenhausen Germany Phone +49 7022 9454-0 +49 7022 9454-137 bock.danfoss.com © Bock GmbH. All rights reserved. Subject to modifications.
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