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09726-09.2013-DGbF

engineering for a better world

GEA Refrigeration Technologies

Bock Compressor HGZ7

Assembly instructions

HGZX7/1620-4 R404A/R507

HGZX7/1620-4 R410A

HGZX7/1860-4 R404A/R507

HGZX7/1860-4 R410A

HGZX7/2110-4 R404A/R507

HGZX7/2110-4 R410A

HGZ7/1620-4 R22
HGZ7/1860-4 R22
HGZ7/2110-4 R22

Содержание Bock HGZ Series

Страница 1: ...orld GEA Refrigeration Technologies Bock Compressor HGZ7 Assembly instructions HGZX7 1620 4 R404A R507 HGZX7 1620 4 R410A HGZX7 1860 4 R404A R507 HGZX7 1860 4 R410A HGZX7 2110 4 R404A R507 HGZX7 2110...

Страница 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...

Страница 3: ...e connections 5 6 Pipes 5 7 Laying suction and pressure lines 5 8 Operating the shut off valves 5 9 Operating mode of the lockable service connections 6 Electrical connection 21 6 1 Information for co...

Страница 4: ...ntial 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 tempe...

Страница 5: ...gerating 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 200...

Страница 6: ...n valve for subcooling adjusted for refrigerant and application range 2 1 Short description standard version Intermediate pressure chamber Terminal box Dimension and connection values can be found in...

Страница 7: ...glasses 1 Standard version Compressor with intermediate pressure line mounted and insulated Fig 3 Liquid subcooler expansion valve solenoid valve filter drier and two sight glasses enclosed separatel...

Страница 8: ...3 maximum operating current 8 Displacement 4 Starting current rotor blocked VND low pressure stage Partial winding 1 VHD High pressure stage YYY Partial windings 1 and 2 9 Voltage circuit frequency 5...

Страница 9: ...consumption must not be exceeded In the case of operation above the mains frequency the application limit can therefore be limited When operating in the vacuum range there is a danger of air entering...

Страница 10: ...19 28 bar Design for other areas on request Fig 7 Fig 8 Fig 9 3 Areas of application R404A R507 R410A R22 1 LP low pressure MP intermediate pressure HP high pressure tO Evaporation temperature C tC C...

Страница 11: ...the diagram by approximately calculating the subcooling temperature arising in the relevant operating conditions t0 tc Diagrams for determining the subcooling temperature at the output of the liquid s...

Страница 12: ...5 and compressed to the final pressure Liquid subcooler system The liquid subcooler system consists of the components liquid subcooler plate heat exchanger 6 expansion valve 7 sight glasses 8 9 soleno...

Страница 13: ...1 Filter drier 12 Damper pressure line 13 Oil separator 14 Non return valve 15 Condenser 16 Refrigerant receiver 17 Filter drier 18 Solenoid valve 19 Sight glass 20 Expansion valve evaporator 21 Evapo...

Страница 14: ...osphere or a combustible environment 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 o...

Страница 15: ...subcooler against condensation and heating and the related loss of performance For rigidity reasons the use of stainless steel pipes with a wall of 1 mm is preferred The pipes must be free of tension...

Страница 16: ...pressure line Shown without insulation R Y 5 Compressor assembly R Connection of pressure compensation line for expansion valve 7 16 UNF W Refrigerant injection connection M22 x 1 5 X Schrader connect...

Страница 17: ...mes otherwise the thin pipes may be worn through It is better to run them through spiral protective tubes If the compressor will be set up outside UV resistant materials should be used 16 mm 16 mm 16...

Страница 18: ...ing can damage the valve Remove the pipe supports therefore from the valve for soldering Only solder using inert gas to inhibit oxidation products scale 5 5 Pipe connections The pipe connections have...

Страница 19: ...ng cracked and broken by severe vibrations Ensure a proper oil return Keep pressure losses to an absolute minimum 5 7 Laying suction and pressure lines INFO Proper layout of the suction and pressure l...

Страница 20: ...ections Fig 26 Opening the shut off valve Spindle turn to the left counter clockwise as far as it will go Shut off valve completely opened service connection closed The connection which cannot be shut...

Страница 21: ...are the same 6 1 Information for contactor and motor contactor selection All protection equipment switching and monitoring devices must comply with the local safety regula tions and established speci...

Страница 22: ...S M X2 1 2 3 4 5 6 7 F1 1 F1 2 8 R2 4A F2 S1 R2 9 R2 10 MP10 11 6 2 Circuit diagram for part winding start Q1 Main switch F1 1 Motor protection switch part winding 1 F1 2 Motor protection switch part...

Страница 23: ...K1 25 E1 26 L1 1 L2 1 L3 1 L1 2 N PE K1T Delay relay max 1 s slow release part winding 2 K2T Delay relay max 20 s slow release Open solenoid Y1 subcooler K3T Delay relay max 20 s slow release compres...

Страница 24: ...th resistance meter please note that part winding 1 and part winding 2 are internally connected 6 3 Standard motor design for direct or partial winding start Designation on the name plate Sticker on t...

Страница 25: ...ault the device is quit by interrupting the mains power with the external alarm reset switch S1 see main line wiring diagram chap ter 5 3 The reclosure preventing feature is unlocked and LEDs H1 or H2...

Страница 26: ...nection 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 tem...

Страница 27: ...l causing oil shocks under certain circumstances Operation The oil sump heater operates when the compressor is at a standstill When the compressor starts up the oil sump heating switches off Connectio...

Страница 28: ...st 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 hav...

Страница 29: ...tor 7 5 Refrigerant charge 7 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 e...

Страница 30: ...7 10 K check the setting of the expansion valve The system must reach a state of equilibrium When selecting the evaporator expansion valve pay attention to correction factors for liquid subcooling Av...

Страница 31: ...servicing and inspection work at regular intervals Oil change not mandatory for factory produced series systems for field installations or when operating near the application limit for the first time...

Страница 32: ...y bolt 8 4 Replacing the valve plates The compressors are divided into an LP and an HP compressor stage Different valve plate designs are required because of the different ducts in the individual comp...

Страница 33: ...ions 8 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 extrac...

Страница 34: ...es A ll specifications are based on the average of the voltage range 380 420 V YYY 3 50 Hz PW 440 480 V YYY 3 60 Hz PW Winding ratios 60 40 HGZ7 1620 4 6 93 7 46 9 112 5 56 2 50 27 0 185 278 294 35 1...

Страница 35: ...X Connection possibility for oil level regulator Three hold connector for oil level regulator Products ESK AC R CARLY 3x M6 10 deep 10 1 Compressor in standard design Intermediate pressure mixed line...

Страница 36: ...ew X Connection possibility for oil level regulator Three hold connector for oil level regulator Products ESK AC R CARLY 3x M6 10 deep 10 2 Compressor in optional design Liquid subcooler with accessor...

Страница 37: ...onnection oil pressure gauge 7 16 UNF F Oil drain M22 x 1 5 FS Sight glass liquid line 12 mm H Oil charge plug M22 x 1 5 J Oil sump heater accessories M22 x 1 5 K Sight glass 3 hole M6 L Connection th...

Страница 38: ...or HGZ7 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 compl...

Страница 39: ...t piping of the refrigerant compressors HGZX7 2110 4 R404A HGZX7 2110 4 R410A und HGZ7 2110 4 R22 agrees with the Pressure Equipment Directive 97 23 EG dated 29 May 1997 Valid for Category I piping Ev...

Страница 40: ...specialist wholesaler and or our representative The Bock service team can be contacted by phone with a toll free hotline 00 800 800 000 88 or via e mail bock gea com Yours faithfully GEA Bock GmbH Ben...

Страница 41: ...D GB F E 41 09726 09 2013 DGbF...

Страница 42: ...0 Fax 49 7022 9454 137 bock gea com www bock de We live our values Excellence Passion Integrity Responsibility GEA versity GEA Group is a global engineering company with multi billion euro sales and o...

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