KNF FEM 1.02 Manual de usuario

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.docx

Translation of Original Operating and Installation Instructions 1

DIAPHRAGM METERING PUMP

FEM 1.02, FEM 1.09

Operating and

Installation

Instructions

Read and observe these Oper-

ating and Installation Instruc-

tions.

An additional letter prefixing the

FEM model code is a country-

specific designation, and does

not have any technical rele-

vance.

KNF Flodos AG

Wassermatte 2

6210 Sursee, Switzerland

Tel. +41 (0)41 925 00 25

Fax +41 (0)41 925 00 35

www.knf.c

info.flodos@knf.com

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 ..................................................... 11

7. Operation ................................................................................ 16

8. Servicing ................................................................................. 20

9. Troubleshooting ...................................................................... 24

10. Spare parts and accessories .................................................. 26

11. Return of the pump ................................................................. 28

FEM 1.02 KP .27 SM

.27 /

[Ch. 5]

1.02 / 1.09

FEM / UFEM

/ PMLxxxx / PLxxxx [Ch. 1]

KP / KT / TT [Ch. 4]

Stepping motor diaphragm metering pump FEM 1.02 / FEM 1.09 About this document

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.docx

Translation of Original Operating and Installation Instructions 2

1. About this document

1.1. Use of the Operating and Installation Instructions

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 specifi-

cations.

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 include death or

serious injuries and/or serious

property damage.

WARNING

warns of potential

danger

Death or serious injuries and/or

serious property damage are

possible.

CAUTION warns of a poten-

tially dangerous

situation

Minor injuries or damage to

property are possible.

Tab. 1

Other information and symbols

 This indicates an activity (step) that must be carried out.

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

steps required are numbered consecutively.

This symbol indicates important information.

Project pumps

Stepping motor diaphragm metering pump FEM 1.02 / FEM 1.09 Use

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.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 fully assembled 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 range (see

Chapter 4).

The pumped medium should not contain particles as these can prevent the

pump from working correctly. If this cannot be ensured, a < 50 m filter with a

sufficiently large filter area must be used upstream of the pump.

2.2. Improper use

The pumps must not be operated in a potentially explosive atmosphere.

The maximum ambient temperature must not exceed 40°C.

Do not use the pump controller in a damp environment or under condensing

conditions.

The controller must be protected against contamination, and contact with

liquids, solvents or vapours must be avoided.

The pump controller must only be operated when adapted to meet the ESD

(Electrostatic Discharge) safety standards.

Do not establish uncontrolled connections between the controller and conduc-

tive cables and materials.

For special modifications to the pumps outside the standard technical specifi-

cations please contact a KNF technical adviser.

Operating parameters and

conditions

Requirements for

transferred medium

Stepping motor diaphragm metering pump FEM 1.02 / FEM 1.09 Safety

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.docx

Translation of Original Operating and Installation Instructions 4

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 preven-

tion 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 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 Operating and

Installation Instructions, and in particular the "Safety" chapter.

Observe the accident prevention and safety regulations when performing any

work on the pump and during operation.

When transferring dangerous media, observe the safety regulations for han-

dling 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 accord-

ance with the applicable environmental protection regulations. Ensure adher-

ence 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 old appliance is disposed of in an envi- ronmen-

tally-appropriate 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

Stepping motor diaphragm metering pump FEM 1.02 / FEM 1.09 Safety

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.docx

Translation of Original Operating and Installation Instructions 5

The pumps are in accordance with the requirements of the guidelines

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 machin-

ery 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:

When used in conjunction with the 2-phase stepping motor controller,

Id. No. 157870 or Id. No. 160536, with up to 1 metre of supply cable, all

FEM 1.02, FEM 1.09 and UFEM 1.09 pumps meet the following standards:

 EN 61000-6-2

 EN 61000-6-4

Please note: when used in conjunction with controllers from

other manufacturers, compliance with the above standards

cannot be guaranteed.

Please note: when used in conjunction with controllers from

other manufacturers, compliance with CE standards must be

verified by the customer.

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 services and

repairs

Stepping motor diaphragm metering pump FEM 1.02 / FEM 1.09 Technical data

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.docx

Translation of Original Operating and Installation Instructions 6

4. Technical data

Pump materials

The pump type KP stands for:

Assembly Material1)

Pump head* PP

Valve plate EPDM

Diaphragm PTFE

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

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

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

* The pump head comprises a connecting plate and an

intermediate plate (Chapter 8.3, items 3 and 4)

Hydraulic ratings

Parameter Value

Flow rate FEM 1.02 [ml/min] 1), 2) 0.2 – 20

Flow rate FEM 1.09 [ml/min] 1), 2) 0.9 – 90

Permissible pressure [bar g] 6

Suction head [mWG] 4

Tab. 5

1) Measured with water at 23 °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.

Hydraulic ratings, option .27

Parameter Value

Min. overflow pressure [bar] 0.5

Max. overflow pressure [bar] 6.5

Tab. 6

FEM ... .27

Stepping motor diaphragm metering pump FEM 1.02 / FEM 1.09 Technical data

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.docx

Translation of Original Operating and Installation Instructions 7

Hydraulic connections

Pump type Connection type

FEM 1.02 (internal thread) UNF 1/4"-28

FEM 1.02 (hose fitting) 4/6 mm

UFEM 1.09 (hose fitting) 1/8"/1/4"

Tab. 7

Electrical specifications FEM 1.02 / FEM 1.09

Motor voltage SM-2

Nominal voltage [V] 1) 5.52

Current [A/Phase] rms 1) 0.6

Inductivity [mH/phase] 14.6

Resistance [Ohms/phase] 9.2

Power consumption [W] 15

Maximum speed [rpm] 200

Step angle 1.8°

Connection type Connector with leads

Tab. 8

1) Nominal voltage and current.

2) The weight may differ slightly from the stated value, depending on the version.

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

Protection class [-] IP40

Weight2) [g] 340

Tab. 9

Stepping motor diaphragm metering pump FEM 1.02 / FEM 1.09 Technical data

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.docx

Translation of Original Operating and Installation Instructions 8

Accuracy/reproducibility

The accuracy of the calibrated metering pump is appropriately characterised

by the maximum absolute error A (dependent on the nominal value) and the

maximum relative error B (dependent on the setting value):

 max. inaccuracy ≤ (A + B)

FEM 1.02

Error Value

Absolute error A ≤ ±0.1% of nominal value

Relative error B ≤ ±1.0% of setting value

Tab. 10

FEM 1.09

Error Value

Absolute error A ≤ ±0.1% of nominal value

Relative error B ≤ ±1.0% of setting value

Tab. 11

Example: FEM 1.09; the nominal value for stroke volume is 500 µl

For a setting of 260 µl, the accuracy should therefore be within the following

error limits:

Inaccuracy ≤ (±0.1% x 500 µl) + (±1.0% x 260 µl)

≤ (±0.5 µl) + (±2.6 µl)

≤ ±3.1 µl

≈ ±1.2% of setting value

Under constant environmental conditions the pump achieves a reproducibility

of less than ±1%.

Greater inaccuracies may occur for fluids with a viscosity of >

150 cSt or with a tendency to outgas. Appropriate adjustments

may be made during calibration.

The accuracy of the pump is ultimately a matter of the meas-

urement and pumping system and the parameters with which

the pump is operated. The hose types used and the design of

the hose end at the pressure side play an important part in

precise metering.

FEM 1.02 ... SM-2 and FEM 1.09 ... SM-2 are not calibrated in the factory.

The pump must be calibrated electronically via the controller in the customer

system.

The flow rate may differ from the calibrated value in some applications. This is

influenced by the following factors: type of medium, its viscosity, density and

temperature, pressure and installation type (e.g. cross-section constrictions).

For accurate metering it is therefore recommended that the metering pump be

calibrated.

Accuracy

Reproducibility

Factory calibration

Calibration

Stepping motor diaphragm metering pump FEM 1.02 / FEM 1.09 Assembly and function

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.docx

Translation of Original Operating and Installation Instructions 9

5. Assembly and function

Assembly without overpressure relief valve

1 Inlet

2 Outlet

3 Pump head

4 Stepping motor (2-phase)

5 Stepping motor plug

Fig. 1: Stepping motor diaphragm metering pump FEM 1.02

Assembly with overpressure relief valve

1 Inlet

2 Outlet

3 Pump head

4 Stepping motor (2-phase)

5 Stepping motor plug

6 Overpressure relief valve

(.27)

Fig. 2: Stepping motor diaphragm metering pump FEM 1.02 ... .27

1 Outlet valve

2 Inlet valve

3 Working chamber

4 Diaphragm

5 Eccentric

6 Connecting rod

7 Pump drive

Fig. 3: Pump assembly

Stepping motor diaphragm metering pumps are based on reciprocating dis-

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

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

Stepping motor diaphragm metering pump FEM 1.02 / FEM 1.09 Assembly and function

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.docx

Translation of Original Operating and Installation Instructions 10

FEM … -Version (standard version)

This pump type represents this product in its simplest form and is intended for

continuous delivery at an exact delivery rate.

FEM … .27-Version (with overpressure limitation)

If the metering pump is operating against a closed system, the delivery pres-

sure quickly exceeds the maximum permissible values. To prevent this hap-

pening, an overflow valve is integrated in the top part of the pump head. If the

pressure exceeds the variable limit range (min. 0.5 to max. 6.0 barg), the

valve opens and the liquid circulates from the pressure side to the suction side

via an internal bypass system. This prevents any further rise in pressure.

FEM … .55 version (with single-stroke metering)

The .55 version was specially developed for the KNF stepping motor partial

stroke controller FE Z5. The pumps have a Hall effect sensor for determining

the position of the diaphragms. This is needed during partial stroke metering

or with customer-specific operating profiles.

Please note:

 The FEM … .55 is compatible with KNF controllers FE Z4

and FE Z5.

 The FE Z5 stepping motor partial stroke controller from

KNF can only be used in combination with the FEM ... .55.

FEM … .55 RC version (single-stroke metering incl. controller)

In the .55 RD version the FE Z5 stepping motor partial stroke controller from

KNF is integrated in the pump and is supplied as a single unit.

Detailed information can be found in the relevant operating instructions.

The stepping motor controllers from KNF are available as accessories, see

accessory list in chapter 10. Two different controllers are available.

Stepping motor controller FE Z4 2-phase stepper

standard controller, single speed controller for variable delivery volume,

pulse input for maximum programming capability etc.

Stepping motor partial stroke FE Z5 Dispense

partial stroke controller, partial stroke metering using potentiometer or an-

alogue signals possible, alarm output etc.

More information about the functionality of the KNF controllers FE Z4 and FE

Z5 can be found in the relevant operating instructions.

FEM ...

FEM ... .27

FEM … .55

FEM … .55 RC

KNF stepping motor

controller

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