KNF NF5 Manuale utente

KNF Flodos AG BA_NF5_NFB5_EN_01_172971.docx

Translated from the Original Operating and Installation Instructions Keep for future reference!

DIAPHRAGM LIQUID PUMP

NF 5, NFB 5

Operating and

Installation

Instructions

Read and observe these Oper-

ating and Installation Instruc-

tions!

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 ....................................................................................... 4

4. Technical data .......................................................................... 6

5. Assembly and function ............................................................. 9

6. Installation and connection ..................................................... 10

7. Operation ................................................................................ 15

8. Servicing ................................................................................. 19

9. Troubleshooting ...................................................................... 21

10. Accessories ............................................................................ 23

11. Decontamination declaration .................................................. 24

KNF Flodos AG

Wassermatte 2

6210 Sursee, Switzerland

Tel +41 (0)41 925 00 25

Fax +41 (0)41 925 00 35

www.knf-flodos.ch

info@knf-flodos.ch

NF 5 KP DC

M 12V

M / DCB / DCB

KP / KT /

TT [Ch.

]

NF / NFB

Supply

voltage [Ch.

]

/ PMLxxxx /

PLxxxx [Ch.

]

Diaphragm liquid pump NF 5, NFB 5 About this document

KNF Flodos AG BA_NF5_NFB5_EN_01_172971.docx

Translated from the 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 sub-

sequent owners of the pump.

Customer-specific project pumps (pump models which begin with

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

structions.

 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 se-

rious injury and/or serious prop-

erty damage.

WARNING

warns of poten-

tial 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 5, NFB 5 Use

KNF Flodos AG BA_NF5_NFB5_EN_01_172971.docx

Translated from the 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 About this document, Tech-

nical data.

Only completely installed pumps may be taken into service.

Before transferring or metering a medium, check whether the me-

dium 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 me-

dium.

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 < 50 m with sufficiently large filter area must be used

upstream of the pump.

 Filters may be ordered as accessories, see Spare Parts and

Accessories (Chapter 10).

2.2. Improper use

DANGER

The pumps must not be operated in an explosive

atmosphere.

Please contact your local KNF partner for special designs that

are not included in the technical specification (www.knf.com).

Operating parameters and

conditions

Requirements for

transferred medium

Diaphragm liquid pump NF 5, NFB 5 Safety

KNF Flodos AG BA_NF5_NFB5_EN_01_172971.docx

Translated from the Original Operating and Installation Instructions 4

3. Safety

Observe the safety precautions in Chapter s

6. Installation and connectionand 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 con-

tain valuable recyclable materials.

Personnel

Working in a

safety-conscious manner

Handling dangerous media

Notes

Environmental protection

Disposal

Diaphragm liquid pump NF 5, NFB 5 Safety

KNF Flodos AG BA_NF5_NFB5_EN_01_172971.docx

Translated from the Original Operating and Installation Instructions 5

The pumps comply with the fundamental requirements of Directive

2011/65/EU (RoHS2).

The pumps comply with the safety requirements regarding electro-

magnetic compatibility in Directive 2004/108/EC.

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 com-

missioned until such time as it has been determined that the ma-

chine in which the partly completed machinery is to be assembled

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 5 DC-M

 EN 55022

 EN 55011

NF 5 DCB / DCB-4

 EN 61000-6-2

 EN 61000-6-3 (incl. EN 55022 / EN 55011)

NFB 5 DCB / DCB-4

 EN 61000-6-2

 EN 61000-6-3 (incl. EN 55022 / EN 55011)

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 5, NFB 5 Technical data

KNF Flodos AG BA_NF5_NFB5_EN_01_172971.docx

Translated from the Original Operating and Installation Instructions 6

4. Technical data

Pump materials

The pump type KP stands for:

Assembly Material1)

Pump head* PP

Anchor valves / seals EPDM

Diaphragm NF5 EPDM

Diaphragm NFB5 PTFE-coated

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

The pump type KT stands for:

Assembly Material1)

Pump head* PP

Anchor valves / seals FFKM

Diaphragm PTFE-coated

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

The pump type TT stands for:

Assembly Material1)

Pump head* PVDF

Anchor valves / seals FFKM

Diaphragm PTFE-coated

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

* The pump head (Fig. 1) comprises an intermediate plate and a connect-

ing plate.

Hydraulic ratings NF 5

Parameter Value

Flow rate DC-M [ml/min] 1), 2)  70

Flow rate DCB-4 [ml/min] 1), 2)  5-40

Flow rate DCB [ml/min] 1), 2)  40

Permissible pressure [bar g] 1

Suction head KP [mWG] 3

Suction head KT, TT [mWG] 2.5

Tab. 5

Diaphragm liquid pump NF 5, NFB 5 Technical data

KNF Flodos AG BA_NF5_NFB5_EN_01_172971.docx

Translated from the Original Operating and Installation Instructions 7

Hydraulic ratings NFB 5

Parameter Value

Flow rate DCB-4 [ml/min] 1), 2) 2x  5-40

Flow rate DCB [ml/min] 1), 2) 2x 40

Permissible pressure [bar g] 1

Permissible pressure (with restricted oper-

ating time) [bar g]

Suction head [mWG] 3

Tab. 6

1) Measured with water under KNF standard conditions, against atmos-

pheric pressure. Pump head material: KP

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

ity, ambient temperature, pump head material and the hoses / hose con-

nectors used.

Hydraulic connections NF 5

Parameter Value

Hose barb OD (mm) 3

Recommended hose size ID [mm] 3

Tab. 7

Hydraulic connections NFB 5

Parameter Value

Hose barb OD (mm) 3

Recommended hose size ID [mm] 3

Tab. 8

Specifications NF 5 DC-M

Motor voltage 12V 24V

Power consumption [W] 1.44 1.44

Max. I load [A] 0.12 0.06

Max. permissible current consumption [A] 0.17 0.09

Lead size [-] AWG22

Protection class [-] IP30

Weight1) [g] 56

Tab. 9

Specifications NF 5 DCB / DCB-4

Motor options DCB-4 DCB 12V DCB 24V

Supply voltage

[V] 10…26.4 12 24

Power con-

sumption [W] 1.1 1.0 1.2

I loadmax. [A] 0.04…0.09 0.08 0.05

Lead size [-] AWG28

Protection class

IP40

Weight 1) [g] 48

Tab. 10

Diaphragm liquid pump NF 5, NFB 5 Technical data

KNF Flodos AG BA_NF5_NFB5_EN_01_172971.docx

Translated from the Original Operating and Installation Instructions 8

In the case of type NF 5 DCB-4 the supply voltage is not de-

signed for operation with pulse-width modulated voltages

(PWM).

However, a PWM signal (frequency 500Hz or higher) can be

used to control the control voltage.

Electrostatic sensitive components (ESD)

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

version.

Specifications NFB 5 DCB / DCB-4

Motor options DCB-4 DCB 12V DCB 24V

Supply voltage

[V]

10…26.4 12 24

Power con-

sumption [W] 2.1 1.6 1.9

I loadmax. [A] 0.08…0.19 0.13 0.08

Lead size [-] AWG28

Protection

class

IP40

Weight 1) [g] 75

Tab. 11

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

version.

In the case of type NFB 5 DCB-4 the supply voltage is not de-

signed for operation with pulse-width modulated voltages

(PWM).

However, a PWM signal (frequency 500Hz or higher) can be

used to control the control voltage.

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. 12

Diaphragm liquid pump NF 5, NFB 5 Assembly and function

KNF Flodos AG BA_NF5_NFB5_EN_01_172971.docx

Translated from the Original Operating and Installation Instructions 9

5. Assembly and function

Assembly

1 Outlet

2 Inlet

3 Connecting plate

4 Drive

5 Connecting leads

6 Head plate

7 Intermediate plate

Fig. 1: diaphragm liquid pump NF 5

1 Outlet valve

2 Inlet valve

3 Working chamber

4 Diaphragm

5 Eccentric

6 Connecting rod

7 Pump drive

Fig. 2: Pump assembly

diaphragm liquid pumps are based on reciprocating displacement

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 her-

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

(7).

NFB 5 Version (double-headed pump, see Fig. 3)

This pump type has two NF5 pump heads that can be operated individu-

ally or or in parallel connection (see Chapter 6.3.2).

Fig. 3: NFB 5

(double-headed pump)

Diaphragm liquid pump NF 5, NFB 5 Installation and connection

KNF Flodos AG BA_NF5_NFB5_EN_01_172971.docx

Translated from the Original Operating and Installation Instructions 10

6. Installation and connection

Only install the pumps under the operating parameters and condi-

tions described in Chapter 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 ambient temperature.

 Mounting dimensions (see Fig. 4 to Fig. )

Fig. 4: Mounting dimensions NF 5 DC-M

Fig. 5: Mounting dimensions NF 5 DCB

Mounting dimensions

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