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 D
 GB
 F
 E
 I
 Ru

9

09652-06.2015-DGbFEIRu

Evaporation temperature (°C)
Condensing temperature (°C)
Suction gas superheat (K)
Suction gas temperature (°C)

3

|

 Areas of application

Design for other 

areas on request

R134a

R407C

R404A/R507

R22

Fig. 5

Fig. 6

Fig. 7

Fig. 8

Unlimited application range

Supplementary cooling or 
reduced suction gas temperature

Supplementary cooling and 
reduced suction gas temperature
Motor version S
(more powerful motor)

Max. permissible operating 

pressure (LP/HP)

1)

: 19/28 bar

1)

  

LP = Low pressure   

   HP = High pressure

Summary of Contents for HG12P/75-4

Page 1: ...g for a better world GEA Bock Compressor HG12P Assembly instructions HG12P 75 4 HG12P 60 4 S HGX12P 75 4 HGX12P 60 4 S HG12P 90 4 HG12P 75 4 S HGX12P 90 4 HGX12P 75 4 S HG12P 110 4 HG12P 90 4 S HGX12P...

Page 2: ...ng the compressor This will avoid misunder standings and prevent damage Improper assembly and use of the compressor can result in serious or fatal injury Observe the safety instructions contained in t...

Page 3: ...on of the electronic trigger unit MP10 5 6 Functional test of the electronic trigger unit MP10 5 7 Circuit diagram for direct start 230 V 400 V Y with INT69 G 5 8 Electronic trigger unit INT69 G 5 9 C...

Page 4: ...ge INFO Important information or tips on simplifying work WARNING Inadequately qualified personnel poses the risk of accidents the consequence being serious or fatal injury Work on compressors is ther...

Page 5: ...lly explosive environments These assembly instructions describe the standard version of the compressor named in the title manufactured by GEA Bock GEA Bock refrigerating compressors are intended for i...

Page 6: ...th oil pump lubrication Suction gas cooled drive motor 2 1 Short description Fig 1 Fig 2 Oil sight glass Valve plate Cylinder cover Discharge shut off valve Oil pump Terminal box Suction shut off valv...

Page 7: ...normal air conditioning applications X Ester oil charge HFC refrigerant e g R134a R404A R507 R407C Additional declaration for Pluscom compressors 4 S More powerful motor e g for air conditioning appl...

Page 8: ...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 Permissible ambient temperature 2...

Page 9: ...ation Design for other areas on request R134a R407C R404A R507 R22 Fig 5 Fig 6 Fig 7 Fig 8 Unlimited application range Supplementary cooling or reduced suction gas temperature Supplementary cooling an...

Page 10: ...nsation Do not store in a corrosive dusty vaporous atmosphere or in a com bustible environment Fig 10 Fig 9 INFO New compressors are factory filled with inert gas 3 bar nitrogen Leave this service cha...

Page 11: ...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...

Page 12: ...service connection Spindle Turn 1 turn to the right clockwise Service connection opened shut off valve opened Service connec tion closed Connection blocked Spindle Service connec tion opened Spindle C...

Page 13: ...ssible on 230 V voltage supply Example 230 V Direct start Star delta start 400 V Y Direct start only Elektrischer Anschluss Electrical connection Raccordement lectrique Y Niedere Spannung Low voltage...

Page 14: ...tion thermostat PTC sensor FC1 Load circuit safety switches FC2 Control power circuit fuse BP1 Safety chain high low pressure monitoring BP2 Release switch thermostat pressostat 0 1 2 3 4 Klemmenkaste...

Page 15: ...ssor motor QA2 Compressor contactor MP10 Electronic trigger unit MP10 EB1 Oil sump heater 5 6 7 8 9 A1 Alarm Motorschutz A2 bertemperatur BT1 BT2 A3 Alarm Hochdruck A3 BP2 P PE QA2 1 2 EB1 QA2 3 4 L1...

Page 16: ...trigger unit MP10 Temperature monitoring connections Motor winding Terminals 1 2 Thermal protection thermostat Terminals 3 4 Restart prevention Terminals 5 6 INFO The unit has a restart prevention dev...

Page 17: ...connection 1 or 2 Release the hot gas temperature sensor if installed 3 or 4 2 Restore the power supply L1 or SF1 ON Function check of motor temperature sensor operational ON Function check of hot gas...

Page 18: ...T2 L1 L2 L3 N PE 5 7 Circuit diagramm for direct start 230 V 400 V Y compressor with INT69 G Fig 22 BT1 Cold conductor PTC sensor motor winding BT2 Thermal protection thermostat PTC sensor FC1 Load ci...

Page 19: ...T2 A3 Alarm Hochdruck A3 BP2 P PE QA2 1 2 EB1 QA2 3 4 L1 L2 L3 L1 1 N PE QA1 Main switch SF1 Control voltage switch EC1 Compressor motor QA2 Compressor contactor INT69 G Electronic trigger unit INT69...

Page 20: ...NFO The relay switching output is executed as a floating changeover contact This electrical circuit operates according to the quiescent current principle i e the relay drops into a the idle position a...

Page 21: ...er troubleshooting or making changes to the control power circuit check the functionality of the trigger unit Perform this check using a continuity tester or gauge Gauge state Relay position 1 Deactiv...

Page 22: ...ard 6 3 Leak test Carry out the leak test of the refrigerating system in accordance with EN 378 2 or a corresponding safety standard without including the compressor INFO Toprotectthecompressoragainst...

Page 23: ...tion system must be properly designed All components must be compatibly rated with each other with regard to output particularly the evaporator and expansion valves Suction gas superheat at the compre...

Page 24: ...sures temperatures function of auxiliary devices such as oil sump heater pressure switch 6 8 Connection of oil level regulator The connection O is provided for installing an oil level regulator A corr...

Page 25: ...tenance 7 5 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 ext...

Page 26: ...3 6 45 26 49 60 59 58 1 2 3 2 4 220 240 V 380 420 V Y 3 50 Hz 265 290 V 440 480 V Y 3 60 Hz 5 L M H Tolerance 10 relative to the mean value of the voltage range Other voltages and types of current on...

Page 27: ...en lf llung J lsumpfheizung K Schauglas L Anschlu W rmeschutzthermostat O Anschlu lspiegelregulator L L tanschlu F E B L B1 DV 76 244 98 4x c ca 280 A1 J SV 66 208 318 ca 415 Schwingungsd mpfer Vibrat...

Page 28: ...pressor HG12P complies with the basic requirements of Appendix II 1B of the Machinery Directive 2006 42 EC Applied harmonised standard EN 12693 2008 and the corresponding standards referenced A partly...

Page 29: ...estions 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...

Page 30: ...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 and operat...

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