KNF NF 100 Manuale utente

KNF Flodos BA_NF100_EN_10_067676.docx

Translation of original Operating and Installation Instructions Keep for future reference!

DIAPHRAGM LIQUID PUMP

NF 100, NF 1.100, NFB 100

Operating and

Installation

Instructions

Read and observe these

Operating and Installation

Instructions!

An additional letter prefixing

the NF model code is a coun-

try-specific designation, with

no technical relevance.

Contents Page

1. About this document ................................................................. 2

2. Use ........................................................................................... 3

3. Safety ....................................................................................... 5

4. Technical data .......................................................................... 7

5. Assembly and function ........................................................... 10

6. Installation and connection ..................................................... 12

7. Operation ................................................................................ 20

8. Servicing ................................................................................. 25

9. Troubleshooting ...................................................................... 29

10. Spare parts and accessories .................................................. 31

11. Return of the pump ................................................................. 32

KNF Flodos AG

Wassermatte 2

6210 Sursee, Switzerland

Tel +41 (0)41 925 00 25

Fax +41 (0)41 925 00 35

www.knf.com

info.flodos@knf.com

NF 100 KP .51 .27 DC 12V

AA / DC / DCB / DCB

.51 / - [Ch. 2]

KP / KT / TT / FT [Ch. 4]

NF / UNF / JNF / NFB / UNFB

Supply voltage [Ch. 4]

100 / 1.100

- / PMLxxxx / PLxxxx [Ch. 1]

.27 / - [Ch. 5]

Diaphragm liquid pump NF 100 About this document

KNF Flodos BA_NF100_EN_10_067676.docx

Translation of original Operating and Installation Instructions 2

1. About this document

1.1. Use of the Operating and Installation Instruc-

tions

The Operating and Installation Instructions are part of the pump.

 Forward the Operating and Installation Instructions to any

subsequent owners of the pump.

Customer-specific project pumps (pump models which begin with

"PL" or "PML") may differ from the Operating and Installation

Instructions.

 In the case of project pumps, take note of any additionally

agreed specifications.

1.2. Symbols and markings

Warning

WARNING

This symbol indicates a potential danger.

It also indicates the possible consequences of failure

to observe the warning. The signal word (e.g. "Warn-

ing") indicates the level of danger.

 Here you will see actions for

avoiding the danger

and potential consequences.

Danger levels

Signal word

Meaning Consequences if not observed

DANGER warns of immedi-

ate danger

Consequences are death or

serious injury and/or serious

property damage.

WARNING

warns of potential

danger

Death or serious injury and/or

serious damage to property are

possible.

CAUTION warns of a poten-

tially dangerous

situation

Minor injury or damage to prop-

erty are possible.

Tab. 1

Other information and symbols

 This indicates a required activity (step).

This indicates the first step of a required activity. Additional

consecutively numbered steps follow.

This symbol indicates important information.

Project pumps

Diaphragm liquid pump NF 100 Use

KNF Flodos BA_NF100_EN_10_067676.docx

Translation of original Operating and Installation Instructions 3

2. Use

2.1. Intended use

The pumps are intended for transferring and metering liquids.

Owner's responsibility

Only install and operate the pumps under the operating parameters

and conditions described in Chapter 4, Technical data.

Only completely installed pumps may be taken into service.

Before transferring or metering a medium, check whether the

medium can be transferred danger-free in the specific application

case.

Before using a medium, check the compatibility of the materials of

the pump head, pump housing, diaphragm and valves with the

medium.

The temperature of the medium must lie within the permissible

temperature range (see Chapter 4).

The transferred medium should not contain particles as these can

prevent the pump from working correctly. If this cannot be guaran-

teed, a filter < 100 m with sufficiently large filter area must be

used upstream of the pump.

The .51 versions of our diaphragm liquid pump range have been

certified by NSF according to the standard NSF/ANSI 169 and are

therefore suitable for use with foodstuffs without any restrictions.

All materials used have been checked through a series of toxico-

logical tests. In order to ensure that the food grade quality is main-

tained, NSF will carry out a yearly audit checking our certified

products.

Only the pumps marked with ".51" are NSF certified. and contain a

defined material combination that also has a FDA certificate of

conformity.

NSF: National Sanitary Foundation

FDA: Food and Drug Administration

ANSI: American National Standard Institute

* Pumps with other customer-specific certified material combinations are

available on request.

Operating parameters and

conditions

Requirements for

transferred medium

.51* version – version with food

grade approval

Diaphragm liquid pump NF 100 Use

KNF Flodos BA_NF100_EN_10_067676.docx

Translation of original Operating and Installation Instructions 4

 All certified diaphragm liquid pumps are clearly marked with

“.51” in the type designation along with the NSF logo on the

type plate. If either or both of these markings are missing, the

pump is not certified.

 Because the cleaning requirements of the diaphragm liquid

pumps depend on the application, KNF is unable to guarantee

that they can be cleaned. The responsibility for cleaning there-

fore lies with the user. While the NSF/ANSI 169 standard regu-

lates OEM products, it does not define cleaning methods for

specific OEM products.

 All parts in contact with the medium can be replaced as spare

parts without losing the certification. Component parts cannot

be traded as certified parts. When replacing parts/assemblies

only use original KNF parts.

2.2. Improper use

DANGER

The pumps must not be operated in an explosive

atmosphere.

For special modifications outside the standard technical specifica-

tions, please contact your KNF technical adviser (see last page for

telephone number).

Risk of explosion

Diaphragm liquid pump NF 100 Safety

KNF Flodos BA_NF100_EN_10_067676.docx

Translation of original Operating and Installation Instructions 5

3. Safety

Observe the safety precautions in Chapters

6. Installation and connection and 7. Operation.

The pumps are built according to the generally recognised rules of

technology and in accordance with the pertinent occupational

safety and accident prevention regulations. Nevertheless, dangers

may occur during their use which may lead to injuries to the user or

others, or to damage to the pump or other property.

Only use the pumps when they are in a good technical and proper

working order, in accordance with their intended use, observing the

safety advice within the Operating and Installation Instructions, at

all times.

Make sure that only trained and instructed personnel or specially

trained personnel work on the pumps. This especially applies to

assembly, connection and servicing work.

Make sure that all personnel have read and understood the Oper-

ating and Installation Instructions, and in particular the "Safety"

chapter.

Always ensure adherence to all pertinent accident prevention and

safety regulations when working on and operating the pump.

When transferring dangerous media, observe the safety regula-

tions for handling such media.

Always ensure adherence to all information stickers on the pumps,

such as flow direction arrows and type plates, and keep stickers in

legible condition.

All replacement parts should be properly stored and disposed of in

accordance with the applicable environmental protection regula-

tions. Ensure adherence to the pertinent national and international

regulations. This especially applies to parts contaminated with toxic

substances.

Dispose of all packaging in an environmentally-appropriate

manner. The packaging materials are recyclable.

Dispose of end-of-life equipment in an environmentally

friendly manner. Use appropriate waste collection systems

for the disposal of end-of-life equipment. Used pumps

contain valuable recyclable materials.

Personnel

Working in a

safety-conscious manner

Handling dangerous media

Notes

Environmental protection

Disposal

Diaphragm liquid pump NF 100 Safety

KNF Flodos BA_NF100_EN_10_067676.docx

Translation of original Operating and Installation Instructions 6

The pumps comply with the fundamental requirements of Directive

2011/65/EU (RoHS2).

For the purposes of the Machinery Directive 2006/42/EC, pumps

are “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 which the partly completed machinery is to be assem-

bled conforms to the provisions of the Machinery Directive

2006/42/EC. The essential requirements of Annex I of Directive

2006/42/EC (general principles) are applied and observed.

The following harmonised standards are met:

NF 100 AA / NF 1.100 AA

 EN 55014 - 1

NF 100 DC / NF 1.100 DC

 EN 55014 - 1

NF 100 DCB / NF 1.100 DCB1)

 EN 55011

 EN 55022

 EN 61000-4-3

NFB 100 DCB-41)

 EN 55011

 EN 55022

 EN 61000-4-3

1) In order to comply with the specified standards, the pump must be

connected as described in Chapter 6.2.

All repairs to the pump(s) must be carried out by the relevant KNF

Customer Service team.

Only use genuine parts from KNF for servicing work.

EU directives/standards

Customer service and

repairs

Diaphragm liquid pump NF 100 Technical data

KNF Flodos BA_NF100_EN_10_067676.docx

Translation of original Operating and Installation Instructions 7

4. Technical data

Pump materials

The pump type KP / KP.51 stands for:

Assembly Material1)

Pump head* PP

Valve plate EPDM

Diaphragm PTFE-coated

Resonating diaphragm PTFE

Diaphragm. 27 EPDM

Tab. 2 1) according to DIN ISO 1629 and 1043.1

The pump type KT stands for:

Assembly Material1)

Pump head* PP

Valve plate FFKM

Diaphragm PTFE-coated

Resonating diaphragm PTFE

Diaphragm. 27 FFKM / FKM

Tab. 3 1) according to DIN ISO 1629 and 1043.1

The pump type TT stands for:

Assembly Material1)

Pump head* PVDF

Valve plate FFKM

Diaphragm PTFE-coated

Resonating diaphragm PTFE

Diaphragm. 27 FFKM / FKM

Tab. 4 1) according to DIN ISO 1629 and 1043.1

The pump type FT stands for:

Assembly Material1)

Pump head* PTFE

Valve plate FFKM

Diaphragm PTFE-coated

Resonating diaphragm PTFE

Tab. 5 1) according to DIN ISO 1629 and 1043.1

* The pump head (Fig. 1) comprises a connecting plate and an intermedi-

ate plate

Diaphragm liquid pump NF 100 Technical data

KNF Flodos BA_NF100_EN_10_067676.docx

Translation of original Operating and Installation Instructions 8

Hydraulic ratings

Parameter Value

Flow rate NF 100 [l/min] 1), 2)  1.2

Flow rate NF 1.100 [l/min] 1), 2)  1.3

Flow rate NFB 100 [l/min] 1), 2)  2 x 1.3

Max. permissible pressure NF 100, NFB 100 [bar g] 1

Max. permissible pressure NF 1.100 [bar g] 6 3)

Suction head [mWG] 3

Tab. 6

1) Measured with water at 20 °C / at atmospheric pressure

2) Flow rates may vary from the values shown, depending on fluid viscosi-

ty, pump head material and the hoses / hose connectors used.

3) for DCB and AA version 4 barg

Hydraulic connections

Parameter Value

NF 100 / NF 1.100 / NFB 100 G 1/8"

UNF 100 / UNF 1.100 / UNFB 100 NPT 1/8"

Recommended hose size ID [mm] 8

Tab. 7

Specifications NF 100 AA

Motor voltage 230V / 50Hz

Power consumption [W] 86

Max. I load [A] 0.36

Max. permissible current

consumption [A] 0.50

Protection class [-] IP 54

Weight1) [g] 2430

Tab. 8

Specifications NF 100 DC

Motor voltage 12V / 24V

Power consumption [W] 9.6 / 8.4

Max. I load [A] 0.8 / 0.35

Max. permissible current

consumption [A] 2.2 / 1.0

Protection class [-] IP 50

Weight1) [g] 600

Tab. 9

Specifications NF 100 DCB

Motor voltage 12V / 24V

Power consumption [W] 11 / 11

Max. I load [A] 0.67 / 0.37

Max. permissible current

consumption [A] 0.93 / 0.46

Protection class [-] IP 30

Weight1) [g] 480

Tab. 10

Diaphragm liquid pump NF 100 Technical data

KNF Flodos BA_NF100_EN_10_067676.docx

Translation of original Operating and Installation Instructions 9

Specifications NF 1.100 AA

Motor voltage 230V / 50Hz

Power consumption [W] 86

Max. I load [A] 0.36

Max. permissible current

consumption [A] 0.50

Protection class [-] IP 54

Weight1) [g] 2450

Tab. 11

Specifications NF 1.100 DC

Motor voltage 12V / 24V

Power consumption [W] 33 / 34

Max. I load [A] 1.3 / 0.5

Max. permissible current

consumption [A] 2.8 / 1.0

Protection class [-] IP 50

Weight1) [g] 720

Tab. 12

Specifications NF 1.100 DCB

Motor voltage 12V / 24V

Power consumption [W] 18 / 18

Max. I load [A] 1.29 / 0.75

Max. permissible current

consumption [A] 1.5 / 0.75

Protection class [-] IP 30

Weight1) [g] 500

Tab. 13

Specifications NFB 100 DCB-4

Motor voltage 12V / 24V

Power consumption [W] 15 / 15

Max. I load [A] 1.25 / 0.63

Max. permissible current

consumption [A] 1.5 / 0.75

Protection class [-] IP 30

Weight1) [g] 640

Tab. 14

1) The weight may differ slightly from the stated value, depending on the

version.

Electrostatic sensitive components (ESD)

Other parameters

Parameter Value

Permissible

ambient temperature range (°C)

+ 5 to + 40

Permissible media temperature range (°C) + 5 to + 80

Permissible kinematic viscosity of medium [cSt] ≤ 150

Tab. 15

Diaphragm liquid pump NF 100 Assembly and function

KNF Flodos BA_NF100_EN_10_067676.docx

Translation of original Operating and Installation Instructions 10

5. Assembly and function

1 Outlet

2 Inlet

3 Connecting plate

4 Motor

5 Leads

6 Head plate

7 Intermediate plate

Fig. 1: Diaphragm liquid pump NF 100

1 Outlet valve

2 Inlet valve

3 Working chamber

4 Diaphragm

5 Eccentric

6 Connecting rod

7 Pump drive

Fig. 2: Operating principle

The diaphragm liquid pumps are based on reciprocating displace-

ment pump technology. The elastic diaphragm (4) is moved up and

down by the eccentric (5) and the connecting rod (6). In the down-

ward stroke it aspirates the medium to be transferred via the inlet

valve (2). In the upward stroke, the diaphragm pushes the medium

out of the pump head via the outlet valve (1). The diaphragm

hermetically seals off the working chamber (3) from the pump drive

(7).

NF 100 version (fixed flow rate)

This pump type represents this product in its simplest form and

transfers media at the fixed flow rate.

NF 100.27 version (fixed flow rate with overpressure limiting)

If the diaphragm liquid pump is operating against a closed system,

the delivery pressure quickly exceeds the maximum permissible

value. To prevent this from happening, an overflow valve is inte-

grated in the top part of the pump head. If the pressure exceeds

the adjustable limit range (min. 1.5 to max. 6.5 barg), the valve

opens and the liquid circulates from the pressure side to the suc-

tion side via an internal bypass system. This prevents any further

pressure rise.

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