KNF NPK 25 AC Operation And Installation Instructions Manual Download Page 5 | Manualshive

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Swing Piston Pumps NPK 25

Safety

Translation of original Operating and Installation Instructions, english, KNF 121581-121584 08/16

5

The pumps conform to the Directive 2011/65/EU (RoHS2).

The following harmonized standards have been used:

NPK 25 AC

NPK 25 DC

DIN EN 55014-1/2

DIN EN 55014-1/2

DIN EN 61000-3-2/3

DIN EN 60034-1

DIN EN 60335-1

DIN EN 50581

DIN EN 50581

Tab. 2

Only have repairs to the pump carried out by the KNF Customer
Service responsible.

Customer service and repairs

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Summary of Contents for NPK 25 AC

Page 1: ...and Installation Instruc tions Contents Page 1 About this document 2 2 Use 3 3 Safety 4 4 Technical data 6 5 Design and function 7 6 Installation and connection 8 7 Operation 12 8 Servicing 13 9 Trou...

Page 2: ...ere Possible consequences of a failure to observe the warning are specified here The signal word e g Warning indicates the danger level Measures for avoiding the danger and its conse quences are speci...

Page 3: ...g a medium check whether the medium can be trans ferred danger free in the specific application case When using a medium other than air Before using a medium check the compatibility of the materials o...

Page 4: ...tore all replacement parts in a protected manner and dispose of them properly in accordance with the applicable environmental protection regulations Observe the respective national and inter national...

Page 5: ...s conform to the Directive 2011 65 EU RoHS2 The following harmonized standards have been used NPK 25 AC NPK 25 DC DIN EN 55014 1 2 DIN EN 55014 1 2 DIN EN 61000 3 2 3 DIN EN 60034 1 DIN EN 60335 1 DIN...

Page 6: ...4 Liters in standard state 1 013 mbar NPK 25 DC Parameter Value Max permissible operating pressure bar g 4 Ultimate vacuum mbar abs 180 Delivery rate at atm pressure l min 25 Tab 5 Liters in standard...

Page 7: ...ner plate 5 Piston seal 6 Eccentric 7 Connecting rod 8 Compressor housing Fig 2 Function of swing piston pump The pumps transfer compress and evacuate air The swing piston consisting of retainer plate...

Page 8: ...er 4 Technical data Observe the safety precautions see Chapter 3 6 1 Installation Before installation store the pump at the installation location to bring it up to room temperature For the mounting di...

Page 9: ...DANGER Extreme danger from electrical shock Only have the pump connected by an authorized specialist Only have the pump connected when the power supply is disconnected For pumps with DC motor 2 Only h...

Page 10: ...which can be affected by these tests The Surge test can only be passed with additional means or is not mandatory if From EN61000 6 1 technical norm for EMC protec tion part 1 10 test demands for EMC...

Page 11: ...ng pump A marking on the pump head shows the direction of flow 4 Remove the protective plugs from the hose connection threads 5 The accessory silencer filter where applicable is screwed into the port...

Page 12: ...tion If the pressure exceeds the maximum permissi ble operating pressure of the pump immediately switch off pump and eliminate fault see Chapter 9 Troubleshooting Excessive pressure with all of the re...

Page 13: ...out the components 8 3 Replacing piston seal and valve plate Motor disconnected from mains and de energized Pump free of dangerous substances Always replace the piston seal and valve plate together t...

Page 14: ...the retainer plate 9 to the upper point by turning the fan 10 Pull cylinder 13 upwards 11 Remove O ring 12 from cylinder 13 12 Hold on fan while loosening the countersunk screw 7 of retainer plate 9...

Page 15: ...ghtening torque 6 5 Nm 7 Lay the two new O rings 5 on intermediate plate 6 8 Place the intermediate plate 6 on the pump housing in ac cordance with the felt tip pen marking 9 Place valve plate 4 on in...

Page 16: ...k external valves and filters Condensate has collected in pump head Install pump at highest point in system Piston seal or valve plate is worn Change piston seal and valve plate see section 8 3 Tab 11...

Page 17: ...late see section 8 3 Tab 12 Fault cannot be rectified If you are unable to determine any of the specified causes send the pump to KNF Customer Service see last page for the ad dress 1 Flush the pump t...

Page 18: ...re parts Spare part Position Order No Piston seal 10 112635 Valve plate 4 113984 Countersunk screw 7 110712 O ring D 32 x 2 0 3 5 116407 O ring D 8 0 x 1 0 8 116408 O ring D 50 x 2 0 12 006709 Tab 13...

Page 19: ...d decon tamination form For optimal processing of a return a copy of this declaration should be sent in advance via e mail regular mail or fax to KNF Customer Service refer to final page for address I...

Page 20: ...Health and safety clearance and decontamination form Swing Piston Pumps NPK 25 KNF worldwide Find your local KNF partner on www knf com 12 Health and safety clearance and decon tamination form...

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