Danfoss BOCK FK20 User Manual Download

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AQ451838788471en-000201

BOCK

®

FK

2

0

Operating guide

FK20/120 N

FK20/145 N

FK20/170 N

FK20/120 K

FK20/145 K

FK20/170 K

FK20/120 TK

FK20/145 TK

FK20/170 TK

FKX20/120 N

FKX20/145 N

FKX20/170 N

FKX20/120 K

FKX20/145 K

FKX20/170 K

FKX20/120 TK

FKX20/145 TK

FKX20/170 TK

Translation of the original instructions

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Summary of Contents for BOCK FK20

Page 1: ...20 120 N FK20 145 N FK20 170 N FK20 120 K FK20 145 K FK20 170 K FK20 120 TK FK20 145 TK FK20 170 TK FKX20 120 N FKX20 145 N FKX20 170 N FKX20 120 K FKX20 145 K FKX20 170 K FKX20 120 TK FKX20 145 TK FK...

Page 2: ...end customer along with the unit in which the compressor is installed The safety advice which is contained in these instructions for assembly and which is relevant for regular operation and maintenanc...

Page 3: ...V belt drive 4 4 Main bearing load 4 5 Electromagnetic clutch assembly 4 6 Pipe connections 4 7 Pipes 4 8 Operating the shut off valves 4 9 Operating mode of the lockable service connections 4 10 Suc...

Page 4: ...y cause property damage INFO Important information or tips on simplifying work 1 Safety 1 2 Qualifications required of personnel WARNING Inadequately qualified personnel poses the risk of accidents th...

Page 5: ...ions 1 3 Danger to life and limb in the event of faults during operation WARNING If a compressor continues to be operated during extreme running noise and or a sharp reduction in refrigerating capacit...

Page 6: ...hich is adapted to each applica tion range where operational safety and efficiency are concerned Compact two cylinder compressor in single row Three capacity ranges Lightweight aluminum design Lubrica...

Page 7: ...e 4 Machine number 5 Factory filled oil type Fig 3 2 2 Name plate example 2 3 Type key example K specially for air conditioning N specially for air conditioning or normal cooling TK specially for deep...

Page 8: ...r the threshold Should the compressor happen to be used near the thresholds we recommend the use of a thermal protection thermostat Accessories Chap 7 When operating in the vacuum range there is a dan...

Page 9: ...ork Fig 4 A A a a A A a a Storage at 40 C 100 C maximum permissible relative Humidity 10 95 no condensation Fittings e g pipe holders additional units etc on the compressor are permissible only follow...

Page 10: ...clutch the sliding ring lid has a snug fit 38 h8 see Fig 6 To connect the magnetic field remove the marked Allen head screws of the sliding ring lid see Fig 7 Slide the magnetic field to a snug fit a...

Page 11: ...off valves Before opening or closing the shut off valve release the valve spindle seal by approx of a turn counter clockwise After activating the shut off valve re tighten the adjustable valve spindle...

Page 12: ...ervice connection 2 b Spindle 1 Turn 1 rotation to the right Service connection 2 opened shut off valve opened Connection 3 is provided for safety devices and is not lockable 3 3 2 2 After activating...

Page 13: ...special running in instructions Check the compressor for transport damage DANGER Risk of bursting The compressor must only be pressurised using dried nitrogen N2 Never pressurise with oxygen or other...

Page 14: ...pour liquid refrigerant through the suction line valve on the compressor It is not permissible to mix additives with the oil and refrigerant 5 5 Refrigerant charge 5 6 Shaft seal ATTENTION Failure to...

Page 15: ...al involves encroaching into the refrigerant circuit this is only recom mended if the seal is losing refrigerant or if oil is escaping in excess of the permissible amount see information on page 14 ch...

Page 16: ...tion or in hotlands with over 40 C ambient temperature or in the case of deep freezing the following requirements must be observed Initial oil change during the first maintenance of the vehicle at the...

Page 17: ...es HFC e g R134a R407 R 404A BOCKlub E55 HCFC e g R22 BOCKlub A46 6 3 Recommended spare parts accessories Maintenance set for oil change BOCKlub E55 1 l Oil drain screw with seal Maintenance set for s...

Page 18: ...Switch off temperature 145 C 5 K Switch on temperature approx 115 C 7 1 Thermal protection thermostat Item No 097B07595 6 6 Valve plate TK version Based on the tried and tested N valve plate system a...

Page 19: ...tion line SV mm inch Oil charge Ltr Inertia moment of the driving unti kgm 2 Lubrication Oil pump FK20 120 2 118 10 3 15 0 16 5 8 16 5 8 0 7 0 0013 Forced lubrication Independent of rotational directi...

Page 20: ...ravity Shaft end Dimensions in mm Dimensions in mm Fig 14 Fig 15 A1 A View X 155 78 78 50 30 99 1 3 0 130 135 125 X 110 h8 beidseitig both sides B SV DV A2 F G K X 4x 11 114 5 2 215 271 281 2 150 H 3x...

Page 21: ...suction side not lockable 7 16 UNF A1 Connection suction side lockable 7 16 UNF A2 Connection suction side not lockable 1 8 NPTF B Connection discharge side not lockable 7 16 UNF B1 Connection discha...

Page 22: ...N TK FK X 50 980 K N TK Serial number BC00000A001 BN99999Z999 complies with the following provisions of the above mentioned Directive According to Annex I points 1 1 2 1 1 3 1 1 5 1 3 2 1 3 3 1 3 7 1...

Page 23: ...K N TK FK X 50 980 K N TK Serial number BC00000A001 BN99999Z999 complies with the following provisions of the above mentioned Statutory instrument According to Schedule 2 part1 points 1 1 2 1 1 3 1 1...

Page 24: ...24 AQ451838788471en 000201 Danfoss Climate Solutions 2023 07...

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