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BOCK HGX 34 P
Assembly instructions
96116-01.2021-Gb
Translation of the original instructions
HGX34P/255-2
HGX34P/255-2 A
HGX34P/315-2
HGX34P/315-2 A
BOCK
®
2
HGX34P/315-2 S
HGX34P/315-2 S A
HGX34P/315-2 A K
HGX34P/315-2 S A K
-pole
HGX34P/380-2
HGX34P/380-2 A
HGX34P/380-2 A K
colour the world
of tomorrow
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Summary of Contents for BOCK HGX34P 2 Series
- Page 1 BOCK HGX 34 P -pole Assembly instructions 96116-01.2021-Gb Translation of the original instructions HGX34P/255-2 HGX34P/315-2 S HGX34P/255-2 A HGX34P/315-2 S A HGX34P/380-2 HGX34P/315-2 HGX34P/315-2 A K HGX34P/380-2 A HGX34P/315-2 A HGX34P/315-2 S A K HGX34P/380-2 A K BOCK ® colour the world of tomorrow...
- 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 compres- sor is installed. Manufacturer Bock GmbH 72636 Frickenhausen Contact 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 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 Storage and transport 4.2 Setting up... -
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: Intended Use
These assembly instructions describe the standard version of the compressor named in the title manufactured by Bock. Bock refrigerating compressors are intended for installation in a machine (within the EU according to the EU Directives 2006/42/EC Machinery Directive and 2014/68/EU Pres- sure Equipment Directive). -
Page 6: Product Description
2| Product description 2.1 Short description • Semi-hermetic four-cylinder reciprocating compressor with oil pump lubrication. • Optional in light weight aluminium design • Suction gas cooled drive motor Transport eyelet Valve plate Discharge line valve Name plate Oil pump Oil sight glass Fig. -
Page 7: Type Key
2| Product description 2.2 Name plate (example) BOCK Bock GmbH, Benzstr. 7 72636 Frickenhausen, Germany HGX34P/380-2 A 380-420V Y -3- 50HZ 66,1 AS38125A001 2900 38,0 440-480V Y -3- 60HZ 79,3 3480 Y: 172 A 19/28 SE 55 IP66 Fig. 3... -
Page 8: Areas Of Application
Fig. 4 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. - Permissible ambient temperature (-20°C) - (+60°C) - Max. permissible discharge end temperature 140°C. -
Page 9: Compressor Assembly
4| Compressor assembly INFO New compressors are factory-filled with inert gas. 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 Storage and transport Storage at (-30°C) - (+70°C), maximum permissible relative humidity 10% - 95%, no condensation Do not store in a corrosive, dusty, vaporous atmosphere or in a com- bustible environment. -
Page 10: Pipe Connections
4| Compressor assembly 4.4 Pipe connections ATTENTION Damage possible. Do not solder as long as the compressor is under pressure. Superheating can damage the valve. Remove the pipe supports therefore from the valve for soldering and accordingly cool the valve body during and after soldering. Only solder using inert gas to inhibit oxidation products (scale). -
Page 11: Operating The Shut-Off Valves
4| Compressor assembly 4.7 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. -
Page 12: Operating Mode Of The Lockable Service Connections Discharge Line Valve
4| Compressor assembly 4.9 Operating mode of the lockable service connections Discharge line valve Service connec- tion closed Pipe connection Spindle Connection blocked Compressor Fig. 17 Opening the shut-off valve: Spindle: turn to the left (counter-clockwise) as far as it will go. —>... -
Page 13: Electrical Connection
5| Electrical connection Electrical connection DANGER Risk of electric shock! High voltage! Only carry out work when the electrical system is disconnected from the power supply! ATTENTION When attaching accessories with an electrical cable, a minimum bending radius of 3 x the cable diameter must be maintained for laying the cable. -
Page 14: Connection Of The Driving Motor - Star Circuit
5| Electrical connection 5.2 Connection of the driving motor with star circuit Designation on the name plate Star-delta start-up is only possible on 230 V voltage supply. Example: L1 L2 400 V Y Direct start only L1 L2 96027-11.06-DGbF... -
Page 15: Connection Of The Driving Motor - Part-Winding Circuit
5| Electrical connection 5.3 Connection of the driving motor with part winding circuit Designation on the name plate Y/YY Example: 400 V Direct start YY PW - start-up Y/YY with bridges without bridges L1 L2 L1 L2 L1 L2 ATTENTION Failure to do this results in opposed rotary fields and results in damage to the motor. -
Page 16: Circuit Diagram
5.4 Circuit diagramm for direct start 400 V Y FC1.1 I> I> I> FC1.1 L3 N PE -EC1 Θ B1 B2 INT69G Compressor terminal box Anschlußkasten Verdichter Fig. 19 Cold conductor (PTC sensor) motor winding Thermal protection thermostat (PTC sensor) Load circuit safety switches Control power circuit fuse High pressure safety monitor... - Page 17 L1.1 L2.1 L3.1 L1.2 P> Θ Θ Main switch Control voltage switch Compressor motor Compressor contactor INT69 G Electronic trigger unit INT69 G Oil sump heater...
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Page 18: Electronic Trigger Unit Int69 G
5| Electrical connection 5.5 Electronic trigger unit INT69 G The compressor motor is fitted with cold conductor temperature sensors (PTC) connected to the electronic trigger unit INT69 G in the terminal box. In case of excess temperature in the motor winding, the INT69 G deactivates the motor contactor. -
Page 19: External Connection Int69 G
5 | Electrical system 5.7 External connection INT69 G Schaltschrank Switch cabinet Schaltschrank INT69G INT69G Cold conductor (PTC sensor) motor winding 8 09 10 11 12 Heat protection thermo- 8 09 10 11 12 stat (PTC sensor) Oil sump heater Terminal Box Fig. -
Page 20: Commissioning
6| Commissioning 6.1 Preparations for start-up INFO To protect the compressor against inadmissible operating conditions, 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 21: 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. -
Page 22: Maintenance
Annual checks: Oil level, leak tightness, running noises, pressures, temperatures, function of auxiliary devices such as oil sump heater, pressure switch. 7.3 Spare parts recommendation/accessories Available spare parts and accessories can be found on our compressor selection tool under vap.bock.de as well as at bockshop.bock.de. Only use genuine Bock spare parts! -
Page 23: 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 Fuchs Reniso Triton SEZ 32... -
Page 24: Technical Data
8| Technical data Oil charge Weight 380-420 V Y - 3 - 50 Hz No. of cylinders... - Page 25 8| Technical data Oil charge Weight 380-420 V Y - 3 - 50 Hz 440-480 V Y - 3 - 60 Hz No. of cylinders...
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Page 26: Dimensions And Connections
9| Dimensions and connections HGX34P 2-pole Anschlüsse / Connections Saugabsperrventil, 286/293* Suction line valve, t Druckabsperrventil, Discharge line valve Centre of gravity Massenschwerpunkt Anschluss Saugseit Connection suction Anschluss Saugseit Connection suction Anschluss Drucksei Connection discharg Anschluss Drucksei Connection discharg H,D1 Anschluss Öldrucks Connection oil press Anschluss Ölrückfüh... - Page 27 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 28: Declaration Of Installation
10| Declaration of installation 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 29: 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 service@bock.de Yours faithfully Bock GmbH... - Page 30 BOCK ® Bock GmbH Benzstraße 7 72636 Frickenhausen Germany Phone +49 7022 9454-0 +49 7022 9454-137 www.bock.de © Bock GmbH. All rights reserved. Subject to modifications. Printed in Germany.
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