GEA HG5/725-4, Assembly Instructions Manual

Page 1: ...engineering for a better world GEA Compressor HG5 Assembly instructions HG5 725 4 HG5 725 4 S HGX5 725 4 HGX5 725 4 S HG5 830 4 HG5 830 4 S HGX5 830 4 HGX5 830 4 S HG5 945 4 HG5 945 4 S HGX5 945 4 HGX...

Page 2: ...he compressor 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...

Page 3: ...2 Standard motor design for direct or part winding start 5 3 Basic circuit diagram for part winding start with standard motor 5 4 Special motor design for direct or star delta start 5 5 Basic circuit...

Page 4: ...potential dangers WARNING Refrigerating compressors are pressurised machines and therefore require particular caution and care in handling Risk of burns Depending on the operating conditions surface t...

Page 5: ...frigerating compressor named in the title is intended for installing in a machine within the EU according to the EU Directives 2006 42 EC Machinery Directive 97 23 EC Pressure Equipment Directive and...

Page 6: ...or Flange mounted drive motor on the compressor case Preferred application range normal refrigerating and air conditioning 2 1 Short description Dimension and connection values can be found in Chapter...

Page 7: ...otation speed 3 maximum operating current 8 Displacement 4 Starting current rotor blocked 9 Voltage circuit frequency Y Part winding 1 10 Nominal rotation speed YY Part windings 1 and 2 11 Displacemen...

Page 8: ...n not under certain circumstances ensure that sufficient oil is transported back to the compressor For operation with frequency converter The maximum current and power consumption must not be exceeded...

Page 9: ...ation Design for other areas on request R134a R407C R404A R507 R22 Fig 4 Fig 5 Fig 6 Fig 7 Unlimited application range Supplementary cooling or reduced suction gas temperature Supplementary cooling an...

Page 10: ...e compressor ventilation Do not use in a corrosive dusty damp atmosphere or a combustible environment Fig 10 Fig 11 Fig 12 ATTENTION Superheating can damage the valve Remove the pipe supports from the...

Page 11: ...ipes 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...

Page 12: ...e completely opened service connection closed The connection which cannot be shut off is intended for safety devices Fig 18 Opening the service connection Spindle Turn 1 turn clockwise Service connect...

Page 13: ...rtial winding 1 66 and part winding 2 33 This winding division reduces the start up current needed for a part winding start to approx 65 of that for a direct start INFO A mechanical unloaded start wit...

Page 14: ...e safety monitor F4 Safety chain high low pressure monitoring F5 Oil differential pressure monitor B1 Release switch thermostat Fig 19 nderung 0 Datum Name Datum Bearb Gepr Norm 1 20 Feb 2009 Kelich 0...

Page 15: ...r part winding 1 K2 Mains contactor part winding 2 K1T Delay relay max 1s S1 Control voltage switch E1 Oil sump heater PW MP10 5 6 7 BOCK COMPRESSORS 8 9 Bl 1 Bl 1 F5 K1 12 T2 13 N P l 14 L 15 M 16 S...

Page 16: ...do this results in opposed rotary fields and results in damage to the motor After the motor starts up via partial winding 1 partial winding 2 must be switched on after a maximum delay of one second F...

Page 17: ...l Zubeh r erforderlich Bezeichnung auf dem Typschild Aufkleber auf Klemmenkasten Y Stern Dreieck Anlauf ist nur im Spannungsbereich 230 V m glich Beispiel 230 V Direktstart Stern Dreieck Start L3 L1 V...

Page 18: ...Safety chain high low pressure monitoring F5 Oil differential pressure monitor B1 Enabling switch thermostat Q1 Main switch nderung 0 Datum Name Datum Bearb Gepr Norm 1 20 Feb 2009 Kelich 09 M r 2010...

Page 19: ...relay S D changeover K5T Delay relay start unloader S1 Control voltage switch AL Start unloader E1 Oil sump heater D S MP10 5 6 7 BOCK COMPRESSORS 8 9 Bl 1 Bl 1 F5 K1 12 T2 13 N P l 14 L 15 M 16 S K1...

Page 20: ...essor can also be protected against overtemperature using a thermal protection thermostat accessory The H2 LED red is provided for the protection function The unit trips when an overload or inadmissib...

Page 21: ...connection 1 or 2 Release the hot gas temperature sensor if installed 3 or 4 2 Restore the power supply L1 or S1 ON Function check of motor temperature sensor operational ON Function check of hot gas...

Page 22: ...n 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 circu...

Page 23: ...trols 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 Check the comp...

Page 24: ...open before starting the compressor Check that the safety and protection devices pressure switch motor protection electrical con tact protection measures etc are functioning properly Switch on the co...

Page 25: ...on lock 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 leve...

Page 26: ...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 GEA standard oil types Recommended alternatives HFC...

Page 27: ...YY 3 50 Hz PW 440 480 V Y YY 3 60 Hz PW PW Part Winding Winding ratio 66 33 L M H 5 Tolerance 10 relative to the mean value of the voltage range Other voltages and types of current on request The spec...

Page 28: ...kseite absperrbar Connection discharge C Anschlu ldrucksicherheitsschalter OIL Connection oil pressu D Anschlu ldrucksicherheitsschalter LP Connection oil pressu D1 Anschlu lr ckf hrung vom labscheide...

Page 29: ...sure switch OIL 7 16 UNF D Connection oil pressure switch LP 7 16 UNF D1 Connection oil return from oil separator 1 4 NPTF E Connection oil pressure gauge 7 16 UNF F Oil drain M22 x 1 5 H Oil charge p...

Page 30: ...ards referenced A partly completed machine may only be put into operation when it has been established that the machine into which the partly completed machine is to be installed conforms to the regul...

Page 31: ...uestions about installation operation and accessories please contact our technical service or specialist wholesaler and or our representative The GEA service team can be contacted by phone with a toll...

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