GEA Bock HGX2/70-4 CO2 T Скачать руководство пользователя

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96032-04.2015-DGbF

engineering for a better world

GEA Refrigeration Technologies

GEA Bock Compressor HGX2 CO

Assembly instructions

HGX2/70-4 CO

HGX2/90-4 CO

HGX2/110-4 CO

HGX2/130-4 CO

GEA Bock GmbH
72636 Frickenhausen, Germany

Содержание Bock HGX2/70-4 CO2 T

Страница 1: ...F engineering for a better world GEA Refrigeration Technologies GEA Bock Compressor HGX2 CO2 T Assembly instructions HGX2 70 4 CO2 T HGX2 90 4 CO2 T HGX2 110 4 CO2 T HGX2 130 4 CO2 T GEA Bock GmbH 726...

Страница 2: ...ompressor can result in serious or fatal injury Observe the safety instructions contained in these instructions These instructions must be passed onto the end customer along with the unit in which the...

Страница 3: ...of the lockable service connections 5 Electrical connection 15 5 1 Information for contactor and motor contactor selection 5 2 Standard motor designed for direct or part winding start 5 3 Basic circui...

Страница 4: ...ng which enable personnel to assemble install maintain and repair refrigeration and air conditioning systems Personnel must be capable of assessing the work to be carried out and recognising any poten...

Страница 5: ...pressurised machines and therefore require particular caution and care in handling The maximum permissible overpressure must not be exceeded even for testing purposes Risk of burns Depending on the op...

Страница 6: ...n especially intensive cooling of the motor Therefore the motor temperature remains on a relatively low level especially at high load Oil pump independent of direction of rotation for reliable and saf...

Страница 7: ...pe designation 2 Machine number 3 maximum operating current 4 Starting current rotor blocked Y Part winding 1 YY Part winding 1 and 2 5 ND LP max permissible operating pressure g Low pressure side HD...

Страница 8: ...e of the shaded areas Thresholds should not be selected as design or continuous operation points Permissible ambient temperature 20 C 60 C Max permissible discharge end temperature 160 C Min oil tempe...

Страница 9: ...re LP HP 1 100 150 bar 1 HGX2 130 4 CO2 T Applications limit 1 LP Low pressure HP High pressure Fig 5 Unlimited application range 3 Areas of application to Evaporation temperature C toh Suction gas su...

Страница 10: ...icient load bearing capacity Single compressor preferably on vibration damper Compound connection basically rigid Provide adequate clearance for maintenance work Ensure adequate compressor ventilation...

Страница 11: ...ut 4 4 Connecting the pipelines cutting ring system Tube preparation The tube has to be sawn in a right angle An angular tolerance of 1 is permissible Slightly trim the pipe ends inside and outside Fo...

Страница 12: ...ompensators 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 A B Fig 13 Fig 14 4 7 Option cutting...

Страница 13: ...lockwise Fig 18 Fig 19 4 8 Laying suction and pressure lines A rule of thumb Always lay the first pipe section starting from the shut off valve downwards and parallel to the drive shaft ATTENTION Prop...

Страница 14: ...pening the service connection Spindle Turn 1 turn to the right clockwise Service connection opened shut off valve opened The connection which cannot be shut off is intended for safety devices Spindle...

Страница 15: ...carry out work when the electrical system is disconnected from the power supply 5 1 Information for contactor and motor contactor selection All protection equipment switching and monitoring devices mu...

Страница 16: ...nal box Y YY Compressors marked in this way are suitable for direct or part winding start The motor winding is divided into two parts part winding 1 70 and part winding 2 30 This winding devision redu...

Страница 17: ...operty damage possible Failure to comply results in reversed fields of rotation and can cause motor damage After the motor has started up with part win ding 1 part winding 2 must be switched on after...

Страница 18: ...1 L1 N N 43 43 11 12 14 L S M X2 1 2 3 4 5 6 7 F1 1 F1 2 8 R2 4A F2 S1 9 10 MP10 11 70 30 5 3 Basic circuit diagram for part winding start Fig 22 R1 Cold conductor PTC sensor motor winding R2 Thermal...

Страница 19: ...F3 17 18 19 K1 P F4 20 K1 K1T K2 21 22 K1T P B1 23 24 K1 25 E1 26 L1 1 L2 1 L3 1 L1 2 N PE Q1 Main switch M1 Compressor motor K1 Mains contactor part winding 1 K2 Mains contactor part winding 2 K1T D...

Страница 20: ...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 The hot gas side of the compressor...

Страница 21: ...OFF Reconnect terminals 1 or 2 and or 3 or 4 4 Restore the power supply L1 or S1 OFF OFF ON MP10 is operational again Before start up troubleshooting or making changes to the control power circuit ch...

Страница 22: ...ing depending on ambient temperature and amount of refrigerant charge it is possible that the pressure may rise and exceed permitted levels for the compressor Adequate precautions must be taken to pre...

Страница 23: ...lity of dry ice formation when the system is operating during and after the filling process the shut off point of the low pressure switch should be set to a value of at least 5 2 bar A refrigerant sup...

Страница 24: ...d off danger of oil liquid shocks reduced capacity of the refrigerating system Suitably adjusted pressure switches that switch off the compressor before reaching the maximum permissible operating pres...

Страница 25: ...activates repeatedly check valve and replace if necessary as during blow off extreme condi tions can occure which may result in a permanent leak Always check system for refrigerant loss after activati...

Страница 26: ...nt in the compressor while the system is at a standstill ATTENTION Slugging can result in damage to the compressor and cause refrigerant to leak WARNING Before starting any work on the compressor Swit...

Страница 27: ...ntolerable excessive pressure For this reason the suction side LP and the high pressure side HP of the compressor have to be secured by decompression valves 7 5 Lubricants For operation with CO2 the G...

Страница 28: ...CO 2 T 11 50 13 80 43 3 25 7 127 161 160 1 2 3 2 4 380 420 V Y YY 3 50 Hz PW 440 480 V Y YY 3 60 Hz PW PW Part Winding Winding ratio 70 30 Tolerance 10 relative to the mean value of the voltage range...

Страница 29: ...NPTF B Connection discharge side not lockable 7 16 UNF B1 Connection discharge side lockable 7 16 UNF B2 Connection discharge side not lockable 1 8 NPTF E Connection oil pressure gauge 7 16 UNF F Oil...

Страница 30: ...or HGX2 CO2 T complies with the basic require ments of Appendix II 1B of the Machinery Directive 2006 42 EC Applied harmonised standard EN 12693 2008 and the corresponding standards referenced A partl...

Страница 31: ...ons about installation operation and accessories please contact our techni cal service or specialist wholesaler and or our representative The GEA Bock service team can be contacted by phone with a tol...

Страница 32: ...49 7022 9454 137 refrigeration gea com www gea com We live our values Excellence Passion Integrity Responsibility GEA versity GEA Group is a global engineering company with multi billion euro sales a...

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