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Summary of Contents for BOCK HG6
- Page 1 BOCK HG6 Assembly instructions 09971-01.2021-Gb Translation of the original instructions HG6/1080-4 HG6/1080-4 S HG6/1240-4 HG6/1240-4 S HG6/1410-4 HG6/1410-4 S HGX6/1080-4 HGX6/1080-4 S HGX6/1240-4 HGX6/1240-4 S HGX6/1410-4 HGX6/1410-4 S 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 4.3 Pipe connections 4.4 Pipes... -
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
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, 2014/68/EU Pressure Equipment Directive). -
Page 6: Product Description
2| Product description 2.1 Short description • Semi-hermetic four-cylinder reciprocating compressor with suction-gas cooled drive motor. • Flange-mounted drive motor on the compressor case. • Preferred application range: normal refrigerating and air-conditioning. Transport eyelet Cylinder cover Discharge shut-off 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 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 60 Hz Y: Part winding 1 10 Nominal rotation speed... -
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 3| Areas of application R134a Fig. 5 Unlimited application range Supplementary cooling or reduced suction gas temperature Supplementary cooling and R407C reduced suction gas temperature Motor version S (more powerful motor) Fig. 6 HGX6/1410-4 S max. evaporating temperature = 2 °C HGX6/1410-4 R404A/R507 max.
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Page 10: 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- Fig. -
Page 11: Pipes
4| Compressor assembly The pipe connections have graduated inside diameters so that pipes with standart millimetre and inch dimensions can be used. The connection diameters of the shut-off valves are rated for maximum compressor output. The actual required pipe cross section must be matched to the output. The same applies for non-return valves. Fig. -
Page 12: Operating The Shut-Off Valves
4| Compressor assembly 4.6 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 13: Electrical Connection 13 Gb
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: Basic Circuit Diagram For Part Winding Start With Standard Motor
5.3 Basic circuit diagram for part winding start with standard motor 0 1 2 3 4 F1.2 F1.1 I=33% I=66% F1.1 F1.2 XSS X1 L1 L1 N N 43 43 11 Y/YY X2 1 MP10 Compressor terminal box AnschluákastenVerdichter Fig. 20 Cold conductor (PTC sensor) motor winding Thermal protection thermostat (PTC sensor) F1.1 /1.2 2 motor protection switches (66% / 33% of I... - Page 15 5 6 7 8 9 L1.1 L2.1 L3.1 L1.2 P> P< P™l Main switch Compressor motor Mains contactor (part winding 1) Mains contactor (part winding 2) Delay relay max. 1s Control voltage switch Oil sump heater PWMP10 BOCKCOMPRESSORS...
- Page 16 5| Electrical connection The motor is wired for direct start (YY) at the factory. For part winding start Y / YY, the bridges must be removed and the motor feed line connected according to the circuit diagram: 400 V Direktstart YY Teilwicklungsstart Y/YY Direct start YY Part winding start Y/YY...
- Page 17 5| Electrical connection 5.4 Sondermotor: Ausführung für Direkt- oder Stern-Dreieck-Anlauf 5.4 Sondermotor: Ausführung für Direkt- oder Stern-Dreieck-Anlauf 5.4 Sondermotor: Ausführung für Direkt- oder Stern-Dreieck-Anlauf 5.4 Special motor: design for direct or star-delta start Für den Stern-Dreieck-Anlauf ist eine mechanische Anlaufentlastung mit Bypass-Magnetventil Für den Stern-Dreieck-Anlauf ist eine mechanische Anlaufentlastung mit Bypass-Magnetventil Für den Stern-Dreieck-Anlauf ist eine mechanische Anlaufentlastung mit Bypass-Magnetventil (Zubehör) erforderlich.
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Page 18: Basic Circuit Diagram For Star-Delta Start With Special Motor
5.5 Basic circuit diagram for star-delta start with special motor 0 1 2 3 4 F1.1 F1.1 F1.2 F1.2 XSS X1 L1 L1 N N 43 43 11 X2 1 MP10 AnschluákastenVerdichter Compressor terminal box Fig. 21 Cold conductor (PTC sensor) motor winding Thermal protection thermostat (PTC sensor) F1.1 /1.2 2 motor protection switches Control power circuit fuse... - Page 19 5 6 7 8 9 L1.1 L2.1 L3.1 L1.2 P> P< P™l Compressor motor Mains contactor Δ-contactor Y-contactor Delay relay S/D changeover Delay relay, start unloader Control voltage switch Start unloader MP10 Oil sump heater BOCKCOMPRESSORS...
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Page 20: Electronic Trigger Unit Mp10
5| Electrical connection 5.6 Electronic trigger unit MP 10 The compressor motor is fitted with cold conductor temperature sensors (PTC) connected to the elec- tronic trigger unit MP10 in the terminal box. Readiness to operate is signalled by the H3 LED (green) after the power supply is applied. In the case of excess temperature in the motor winding, the unit switches off the compressor and the H1 LED lights red. - Page 21 5| Electrical connection 5.8 Function test of the trigger unit MP10 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) •...
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Page 22: I Ru
5| Electrical connection 5.9 Oil sump heater (accessories) During compressor standstill and depending on the pressure and ambient temperature, refrigerant diffuses into the compressor's lubricating oil. This reduces the oil's lubricating ability. When the compressor is started, the refrigerant contained in the oil evaporates due to the decline in pressure. This can result in oil foaming and oil exodus which can result in oil hammer in certain circumstances. -
Page 23: 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 24: 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. -
Page 25: Connection Of Oil Level Regulator
6| Commissioning 6.8 Connection of oil level regulator Oil level regulation systems have proven themselves with parallel circuits of several compressors. The connection "0" is provided for installing an oil level regulator (see dimensions drawing). All common oil level regulators from AC&R, ESK and Carly as well as the OM3 TraxOil oil level regulation system from Alco can be connected directly without adapters (see Fig. -
Page 26: Extract From The Lubricants Table
7| Maintenance 7.3 Recommended spare parts/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! 7.4 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. -
Page 27: Technical Data
8| Technical data 380-420 V Y/YY - 3 - 50 Hz PW 440-480 V Y/YY - 3 - 60 Hz PW PW = Part Winding Winding ratio : 66% / 33% No. of cylinders... -
Page 28: Dimensions And Connections
13726 HGX6/1240-4 13754 HGX6/1080-4 R134 Stopfen Ölfüllung Connection thermal protection thermostat inch Anschluss Wärmeschutzthermostat Zoll Oil charge plug HG6/1080-4 S 13723 HG6/1410-4 S 13727 HGX6/1240-4 S 13755 HGX6/1240-4 R134 Anschluss Leistungsregler 1/8" NPTF M45x1,5 Connection thermal protection thermostat inch Anschluss Ölsumpfheizung... - Page 29 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 30: 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 31: 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 service@bock.de Yours faithfully Bock GmbH... - Page 32 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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