KNF NF5 Manuale utente

KNF Flodos BA_NF5_EN_01_152858.docx

Translated from the Original Operating and Installation Instructions

Keep for future reference!

Micro-diaphragm liquid pump

NF 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 country-

specific designation and has no

technical relevance.

Contents Page

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

Use ........................................................................................... 3

Safety ....................................................................................... 5

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

Assembly and function ........................................................... 11

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

Operation................................................................................ 15

Servicing................................................................................. 18

Troubleshooting...................................................................... 20

10.

Decontamination declaration.................................................. 22

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 RP .51 DC

S 12V

.51 /

[Ch. 2]

RP / RT [Ch. 4]

/ PMLxxxx / PLxxxx

[Ch. 1]

S / DC

M / DC

L / DCB

Supply voltage [Ch. 4]

Micro-diaphragm liquid pump NF 5 About this document

KNF Flodos BA_NF5_EN_01_152858.docx

Translated from the Original Operating and Installation Instructions

1. About this document

1.1. Using the operating and installation instruc-

tions

The operating and installation instructions are part of the pump.

Pass on the operating and installation instructions to the next

owner.

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.

also indicates the possible consequences of failure

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

ing") indicates the level of danger.

This specifies measures for avoiding the danger

and the consequences of failure to implement

these measures.

Danger levels

Signal word

Meaning Consequences if not observed

DANGER warns of immedi-

ate danger

Death or serious injuries and/or

serious material damage are the

consequence

WARNING

warns of possible

danger

Death or serious injuries and/or

serious material damage are

possible

CAUTION warns of a poten-

tially dangerous

situation

Minor injuries or material dam-

age are possible

Tab. 1

Other information and symbols

This indicates an activity (step) that needs to be carried out.

This indicates the first step of an activity to be carried out. Any

additional steps required are consecutively numbered.

This symbol refers to important information.

Project pumps

Micro-diaphragm liquid pump NF 5 Use

KNF Flodos BA_NF5_EN_01_152858.docx

Translated from the Original Operating and Installation Instructions

2. Use

2.1. Proper 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.

The pumps may be operated only when fully assembled.

Before transferring or metering a medium, check that it can be

transferred without risk 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

pumped medium.

The temperature of the medium must lie within the permissible

temperature range (see Chapter 4).

The pumped medium should not contain particles as these can

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

teed, a filter < 50 µm with a sufficiently large filter area must be

used upstream of the pump.

The .51 versions of our micro-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

Micro-diaphragm liquid pump NF 5 Use

KNF Flodos BA_NF5_EN_01_152858.docx

Translated from the Original Operating and Installation Instructions

All certified micro-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 micro-diaphragm

liquid pumps depend on the application, KNF is unable to

guarantee cleaning options. The responsibility for cleaning the

pump(s) therefore lies with the user. While the NSF/ANSI 169

standard regulates 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

The pumps may not be operated in an explosive atmosphere.

For special modifications outside the standard technical specifica-

tions please contact a KNF pump specialist.

Micro-diaphragm liquid pump NF 5 Safety

KNF Flodos BA_NF5_EN_01_152858.docx

Translated from the Original Operating and Installation Instructions

3. Safety

Note the safety precautions in Chapters 6. Installation and

connection, and 7. Operation.

The pumps are built according to the generally recognized rules of

technology and in accordance with the pertinent occupational

safety and accident prevention regulations. Nevertheless, dangers

can result during their use which lead to injuries to the user or

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

Only use the pumps in perfect working order and in accordance

with their intended use. Always ensure adherence to the operating

and installation instructions and work in a safety-conscious man-

ner.

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 operat-

ing 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.

Always observe the safety regulations when handling dangerous

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.

Ensure that the pump is disposed of in an environmentally

appropriate manner at the end of its useful life. Use appro-

priate 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

Micro-diaphragm liquid pump NF 5 Safety

KNF Flodos BA_NF5_EN_01_152858.docx

Translated from the Original Operating and Installation Instructions

The pumps are in accordance with the requirements of the guide-

lines 2011/65/EU (ROHS2)

The pumps conform to EU safety requirements and guidelines for

Electromagnetic interference 2004/108/EC.

As defined in the Machinery Directive 2006/42/EC, pumps are

partly completed machines and not ready-for-use, the overall

equipment must be made to fully conform with the requirements of

the Directive before being brought into service. Always ensure

implementation and enforcement of the basic requirements of the

Machinery Directive 2006/42/EC according to Appendix I (General

Principles).

The following harmonised standards are met:

NF 5 DC-S and NF 5 DC-M

EN 55022

EN 55011

NF 5 DC-L

EN 55022

EN 55011

NF 5 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 KNF original parts for all maintenance work.

EU directives/standards

Customer services and

repairs

Micro-diaphragm liquid pump NF 5 Technical data

KNF Flodos BA_NF5_EN_01_152858.docx

Translated from the Original Operating and Installation Instructions

4. Technical data

Pump materials

The pump type RP stands for:

Assembly Material

Pump head * PPS

Valve plate EPDM

Diaphragm EPDM

Tab. 2

according to DIN ISO 1629 and 1043.1

The pump type RT stands for:

Assembly Material

Pump head * PPS

Valve plate FFPM

Diaphragm FFPM

Tab. 3

according to DIN ISO 1629 and 1043.1

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

ate plate

Hydraulic ratings

Parameter Value

Flow rate DC-S / -M / -L [ml/min]

1), 2)

≥50

Flow rate DCB-4 [l/min]

1), 2)

≥5 - 60

Permissible pressure DC-S [bar g] 0.6

Permissible pressure DC-M / -L / DCB-4

[bar g]

Suction head DC-S / -M / -L / DCB-4

[mWG]

3.5

Tab. 4

Measured with water at 20°C / at atmospheric pressure

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

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

Hydraulic connections

Parameter Value

Recommended hose size ID [mm] ≤ 3

Tab. 5

Micro-diaphragm liquid pump NF 5 Technical data

KNF Flodos BA_NF5_EN_01_152858.docx

Translated from the Original Operating and Installation Instructions

Specifications NF 5 DC-S

Type 6V

Power consumption [W] 1.08

Max. I load [A] 0.18

Max. perm. current consumption

[A] 0.23

Lead size [-] AWG22

Protection class [-] IP30

Weight

[g] 32

Tab. 6

Specifications NF 5 DC-M

Type 6V 12V

Power consumption [W] 0.96 0.96

Max. I load [A] 0.16 0.08

Max. perm. current consumption

[A] 0.235 0.121

Lead size [-] AWG22

Protection class [-] IP30

Weight

[g] 42

Tab. 7

Specifications NF 5 DC-L

Type 6V 12V

Power consumption [W] 0.54 0.65

Max. I load [A] 0.09 0.054

Max. perm. current consumption

[A] 0.182 0.092

Lead size [-] AWG26

Protection class [-] IP30

Weight

[g] 36

Tab. 8

Specifications NF 5 DCB-4

Type DCB-4

Supply voltage [V] 10…28

Power consumption [W] 1.5

Max. I load [A] 0.15…0.055

Max. perm. current consumption

[A] 0.65

Protection class [-] IP40

Weight

[g] 30

Tab. 9

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

version.

Micro-diaphragm liquid pump NF 5 Technical data

KNF Flodos BA_NF5_EN_01_152858.docx

Translated from the Original Operating and Installation Instructions

Motor electrical specifications DCB-4

Electrical connections

Lead assignment

Function Wire colour Signal

name Size

+ Supply voltage red + Vs AWG 28

- Supply voltage black - Vs / GND AWG 28

Speed control – input

signal white Vctrl AWG 28

Frequency output –

output signal green FG AWG 28

DC control input Vctrl

Control voltage range DC [VDC] 0...5

Speed range [rpm] 0..2300

Resistant to surge voltages [VDC] <28

Input resistance (Vctrl < 5.3VDC) [kΩ] 62

Threshold voltage [VDC] 0.11

Speed/voltage constants [rpm/V] 460

Control voltage characteristic

FG frequency ouput

FG pulse per mech. revolution [ ] 6

Pulse duty factor [%] 50

Output series resistance [kΩ] 3.9

Output level "high" (Iout <0.1mA) [V] 4.2 … 5.4

Output level "low" (Iout <0.1mA) [V] max. 0.5

Tab. 10

Connecting (short-circuiting) the two connections "Frequency

output – output signal" (green lead) and "Speed control – input

signal" (white lead) switches the control to "2-lead" operating

mode (DCB-2 24V).

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

designed for operation with pulse-width modulated voltages

(PWM).

However, a PWM signal (frequency ≥500Hz ) can be used to

control the control voltage.

Electrostatic sensitive components (ESD)

Vctrl max

. 5V

(2300 rpm)

Micro-diaphragm liquid pump NF 5 Technical data

KNF Flodos BA_NF5_EN_01_152858.docx

Translated from the Original Operating and Installation Instructions

Various parameters

Parameter Value

Permissible

ambient temperature range [°C]

+ 5 to + 40

Permissible media temperature [°C] + 5 to + 80

Permissible kinematic viscosity of the

media [cSt]

≤150

Tab.11

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