Related Manuals for GEA HGX22P CO2 Series
Summary of Contents for GEA HGX22P CO2 Series
- Page 1 Bock Compressor HGX22P CO Assembly instructions HGX22P/110-4 CO HGX22P/125-4 CO HGX22P/160-4 CO HGX22P/190-4 CO engineering for a better world GEA Refrigeration Technologies...
- 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 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 HGX22P -CO manufactured by Bock. The compressor is intended for use with CO in sub-critical 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 two-cylinder reciprocating compressor with oil pump lubrication. • Suction gas cooled drive motor. Transport eyelet Valve plate Name plate Oil pump Oil sight glass Fig. 1 Cylinder cover Terminal box Discharge shut-off valve Drive section Motor section Suction shut-off valve Fig. -
Page 7: Type Key
2| Product description 2.2 Name plate (example) GEA Bock GmbH 72636 Frickenhausen, Germany AS33567A001 20,9/12,1A Δ: 121A Y: 70A 40/55 C85E 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 ND (LP): max. -
Page 8: Areas Of Application
3| Areas of application 3.1 Refrigerants • CO R744 3.2 Oil charge The compressors are filled at the factory with the following oil type: Bock C 85 E (only this oil may be used) 3.3 Limits of application ATTENTION! Compressor operation is possible within the operating limits shown in the diagrams. Please note the significance of the shaded areas. Thresholds should not be selected as design or continuous operation points. -
Page 9: 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 10: 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... -
Page 11: 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. Tighten Release Valve spindle seal Fig. 12 Fig. 11 4.6 Operating mode of the lockable service connections Service connec- tion closed Pipe connection Spindle Connection blocked Compressor Fig. 13 Opening the shut-off valve: Spindle: turn to the left (counter-clockwise) as far as it will go. —>... -
Page 12: 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 13: Connection Of The Driving Motor
5| Electrical connection 5.2 Connection of the driving motor The compressor is designed with a motor for star-delta circuits. Designation on the name plate Sticker on the terminal box ∆ / Y Star-delta start-up is only possible on 230 V voltage supply . Example: 230 V ∆... -
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 ...
-
Page 16: Electronic Trigger Unit Mp
5| Electrical connection 5.4 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. 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 17: Oil Sump Heater
5| Electrical connection 5.6 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) •... -
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. -
Page 19: Refrigerant Charge
6| Commissioning First evacuate the system and then include the compressor in the evacuation process. Relieve the compressor pressure. Open the suction and pressure line shut-off valves. Evacuate the suction and discharge pressure sides using the vacuum pump. At the end of the evacuation process, the vacuum should be < 1.5 mbar when the pump is switched off. Repeat this process as often as is required. 6.5 Refrigerant charge CAUTION! Wear personal protective clothing such as goggles and protective... -
Page 20: Start-Up
6| Commissioning 6.6 Start-up WARNING! Ensure that both shut-off valves are open before starting the compressor! Check that the safety and protection devices (pressure switch, motor protection, electrical contact protection measures, etc.) are functioning properly. Switch on the compressor and let it run for at least 10 minutes. The machine should reach a state of equilibrium. Check the oil level: The oil level must be visible in the sight glass. After a compressor is replaced, the oil level must be checked again. If the level is too high, oil must be drained off (danger of oil liquid shocks; reduced capacity of the refrigerating system). -
Page 21: Connection Of Oil Level Regulator
6| Commissioning 6.8 Avoid slugging ATTENTION! Slugging can result in damage to the compressor and cause refrigerant to leak. To prevent slugging: The complete refrigeration plant must be properly designed. All components must be compatibly rated with each other with regard to output (particularly the evaporator and expansion valves). -
Page 22: Maintenance
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. Prevent air from infiltrating the system! After maintenance has been performed: Connect safety switch. Evacuate compressor. Release switch-on lock. 7.2 Work to be carried out In order to guarantee optimum operational reliability and service life of the compressor, we recommend carrying out servicing and inspection work at regular intervals: Oil change: not mandatory for factory-produced series systems. -
Page 23: Decommissioning
7| Maintenance 7.6 Decommissioning Close the shut-off valves on the compressor. CO does not need to be recycled and can therefore be blown off into the environment. It is essential to ensure good ventilation or conduct the CO into the outdoors to avoid danger of suffocation. When releasing CO2, avoid a fast drop in pressure to prevent oil from exiting with it. If the compressor is unpressurized, remove the piping on the pressure- and suction-side (e.g. dismantling of the shut-off valve, etc.) and remove the compressor using an appropriate hoist. -
Page 24: 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 25: Dimensions And Connections
9| Dimensions and connections H,D1 SI2,A H,D1 SI2,A H,D1 Centre of gravity SI2,A ca.135 ca.135 ca.135 ca.250 ca.250 ca.250 ca.20 ca.505 ca.20 ca.505 ca.20 ca.505 Schwingungsdämpfer Schwingungsdämpfer Vibration Schwingungsdämpfer damper Massenschwerpunkt 1) SV 90° drehbar Massenschwerpunkt 1) SV 90° drehbar Maße in mm Dimensions in mm Maße in mm... -
Page 26: Declaration Of Conformity And Installation
Applied harmonised standard: 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 HGX22P -CO complies with the basic requirements of Appendix II 1B of the Machinery Directive 2006/42/EC. The following harmonised standards have been applied:... -
Page 27: 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 28 GEA Group is a global mechanical 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. GEA Refrigeration Technologies GEA Bock GmbH Benzstraße 7, 72636 Frickenhausen, Germany...
Need help?
Do you have a question about the HGX22P CO2 Series and is the answer not in the manual?
Questions and answers