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Installation and connection

Diaphragm pump N85, N86

16

Translation of original Operating and Installation Instructions, english, KNF 121258-121528 01/20

7. Installation and connection

Only install and operate the pumps under the pneumatic operating
parameters and conditions described in Chapter 4, Technical Data.
Observe the safety precautions (see Chapter 3).

7.1. Installation of the pump



Before installation, store the pump at the installation location to

bring it up to ambient temperature.



See Fig. 7 to Fig. 11 for mounting dimensions.

Fig. 7: Mounting dimensions pump series N85.3K_E

Mounting dimensions

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Содержание N85.3

Страница 1: ...85 3 N86 TRANSLATION OF ORIGINAL OPERATING AND INSTALLATION INSTRUCTIONS ENGLISH DIAPHRAGM PUMP Note Before operating the pump and the accessories please read the operating instructions and pay attent...

Страница 2: ...nction 12 6 Transportation 15 7 Installation and connection 16 8 Operation 25 9 Servicing 27 10 Troubleshooting 36 11 Spare parts and accessories 38 12 Returns 39 KNF Neuberger GmbH Alter Weg 3 79112...

Страница 3: ...NING A danger is located here 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 i...

Страница 4: ...m Before using a medium check whether the medium can be trans ferred danger free in the specific application case Before using a medium check the compatibility of the materials of the pump head diaphr...

Страница 5: ...Make sure that the personnel has read and understood the Operat ing and Installation Instructions and in particular the Safety chap ter Observe the accident prevention and safety regulations when per...

Страница 6: ...re partly completed machinery and are therefore to be regarded as not ready for use Partly completed machinery may not be commissioned until such time as it has been determined that the machine in whi...

Страница 7: ...free But KNF recommends checking the pump regularly with regard to conspicuous changes in noise and vibrations Only have repairs to the pumps carried out by the KNF Customer Service responsible Housi...

Страница 8: ...TFE coated Valves FFPM Tab 4 Pneumatic values N85 3K_E N85 3K_DC Parameter Value Max permissible operating pressure bar g 0 3 Ultimate vacuum mbar abs N85 3KNE N85 3KNDC N85 3KTE N85 3KTDC 25 30 Deliv...

Страница 9: ...read size G 1 8 N86 Thread size G 1 8 Tab 8 Electrical data N85 3K__E N86K_E Parameter Value Voltage V Frequencies Hz See type plate Max operating current A Pump power consumption Protection class Mot...

Страница 10: ...uations 10 Tab 10 The pumps are not protected against overloading and they have no overcurrent protection N85 3K__DC B N86K_DC B Parameter Value Motor type Brushless DC motor Voltage V See type plate...

Страница 11: ...bient tempera ture 5 bis 40 Permissible media temperature 5 bis 40 Dimensions L x W x H mm N85 3K_E N86K_E N85 3K_DC N86K_DC N86K_DC B ca 131 x 75 x 109 ca 104 x 91 x 69 ca 129 x 50 x 105 ca 106 x 74...

Страница 12: ...ions english KNF 121258 121528 01 20 5 Design and function Design N85 3K_E Fig 1 Design N85 3K_E Design N86K_E Fig 2 Design N86K_E 1 Inlet suction side 2 Pneumatic connection 3 Outlet pressure side 4...

Страница 13: ...structions english KNF 121258 121528 01 20 13 Design N85 3K_DC Fig 3 Design N85 3K_DC Design N86K_DC Fig 4 Design N86K_DC 1 Inlet suction side 2 Pneumatic connection 3 Outlet pressure side 4 Electrica...

Страница 14: ...diaphragm 4 is moved up and down by the eccentric 5 and the connection rod 6 In the downward stroke it aspirates the gas to be transferred via the inlet valve 2 In the upward stroke the diaphragm pres...

Страница 15: ...quipment e g safety gloves safety shoes Only two headed pump CAUTION Personal injury and or damage to property because of false or improper transportation of the pump If the pump is raised and or carr...

Страница 16: ...perate the pumps under the pneumatic operating parameters and conditions described in Chapter 4 Technical Data Observe the safety precautions see Chapter 3 7 1 Installation of the pump Before installa...

Страница 17: ...6 Installation and connection Translation of original Operating and Installation Instructions english KNF 121258 121528 01 20 17 Fig 8 Mounting dimensions pump series N86K_E Fig 9 Mounting dimensions...

Страница 18: ...tion Diaphragm pump N85 N86 18 Translation of original Operating and Installation Instructions english KNF 121258 121528 01 20 Fig 10 Mounting dimensions pump series N86K_DC Fig 11 Mounting dimensions...

Страница 19: ...installation location is accessible for ser vice The IP protection class of the pump motor is indicated on the type plate Install the pump at the highest point in the system to prevent condensate fro...

Страница 20: ...connection is impossible For pumps with AC motor The motors of the pump must be protected according to DIN EN 60204 1 protection against excess current or overload ing For max operating current of the...

Страница 21: ...t demands for EMC protection table 3 EMC protection D C power in and outputs Remark 3 quota tion Not to be used with input connections which are foreseen for a connection with a battery or a rechargea...

Страница 22: ...nce suppression according to DIN EN 55014 1 A1 pump types equipped with the brushless DC motor DC B without K marking on the type plate of the motor must be equipped with a supplemental electronic cir...

Страница 23: ...nal VCrtl Steuerspannungsbereich DC Control voltage range DC V 1 0 4 7 Max Eingangsspannung Max input voltage V 30 Schwellenspannung Treshold voltage V 1 0 0 2 Eingangswiderstand VCtrl 5V Input resist...

Страница 24: ...sure connection of the pump and the first shut off valve If the pump s used as a vacuum pump safely discharge the pump exhaust at the pump s pneumatic outlet Connecting pump A marking on the pump head...

Страница 25: ...umps are not used improperly see Chapter 2 2 Observe the safety precautions see Chapter 3 The pumps are intended for installation Before putting them into service it must be established that machinery...

Страница 26: ...or vacuum during switch on This also applies in operating following a brief power failure If a pump starts against pressure or vacuum it may block This activates the thermal switch and the pump switc...

Страница 27: ...it with air or with inert gas if required for safety reasons under atmospheric conditions ambient pressure for about five minutes 9 2 2 Cleaning pump Pump disconnected from mains and de energized WARN...

Страница 28: ...he same time the nominal per formance of the pump is not guaranteed after the servicing WARNING Dangerous substances in the pump can cause a health hazard Depending on the substance transferred causti...

Страница 29: ...o turning or holding the cooling fan the necessary operations must be carried out by turning or holding the counterweight 16 b Removing the pump head 1 Mark the position of the head plate 3 intermedia...

Страница 30: ...pacer s and disc spring into the connecting rod clockwise and tighten it by hand d Changing the valve plates 1 Separate the head plate 3 from intermediate plate 2 2 Remove the valve plates sealings 7...

Страница 31: ...8 01 20 31 7 Now tighten screws 4 firmly and diagonally 8 Refit the pneumatic connection 5 f Final steps 1 In the case of DC version no cooling fan refix the cover 6 to housing 1 2 Connect the pump to...

Страница 32: ...e valve plates sealings are not changed at the same time the nominal per formance of the pump is not guaranteed after the servicing WARNING Dangerous substances in the pump can cause a health hazard D...

Страница 33: ...and secure it 2 Only for models with dc motors no cooling fan remove cover 6 from pump housing 1 to do this insert a screwdriver into the slots on the sides and prise the cover off with care the seali...

Страница 34: ...iaphragm and retain them 4 Check that all parts are free from dirt and clean them if neces sary see Chapter 9 2 Cleaning 5 Put the diaphragm support diaphragm spacer s and disc spring in that order on...

Страница 35: ...d by the marking M 3 Check that the head plate is centred by moving it gently side ways 4 Gently tighten the screws 4 evenly and diagonally 5 Turn the fan to check that the pump rotates freely 6 Turn...

Страница 36: ...shless DC motor Wrong polarity of the connection wires Separate pump from the mains Be aware of right polarity of the connection wires and con nect pump For pumps with AC motor The pump s thermal swit...

Страница 37: ...hoses are properly seated on the hose con nectors Replace leaking hoses Eliminate leaks Connections or hoses complete ly or partially clogged Check hoses and connections Remove any parts or particles...

Страница 38: ...needed for complete overhaul of the pump head For one headed pumps 1x diaphragm 2x valve plates sealings For two headed pumps 2x diaphragm 4x valve plates sealings Spare parts kit for pump type Order...

Страница 39: ...requisite for repairing a pump by KNF is a completed Decon tamination Form This is made available on the KNF website as a download To find the form select your country on the overview page www knf com...

Страница 40: ...KNF worldwide Find your local KNF partner on www knf com...

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