KNF FP25 Bedienungsanleitung

FP25 / FP1.25

INSTALLATION INSTRUCTIONS

DIAPHRAGM PUMP

Before operating the pump and the accessories, please read the Installation Instructions

and safety precautions.

Installation Instructions FP 25 Contents 
 
KNF Flodos 338092_MA_FP25_EN_00 
 3
 
 
 
Table of contents 
 Page 
1General.......................................................................................4 
1.1 Information about the instructions 4 
1.2 Warnings 4 
1.3 Disclaimer 5 
1.4 Manufacturer’s address 5 
1.5 Supporting documents 5 
2Safety.........................................................................................6 
2.1 Intended use 6 
2.2 Reasonably foreseeable misuse 6 
2.3 Responsibility of the user 6 
2.4 Product-specific risks 6 
2.5 Customer service and repairs 7 
3Installation.................................................................................8 
3.1 Installation location 8 
3.2 Mechanical mounting 9 
3.3 Connecting the fluid system 9 
3.4 Electrical connection 9 
4Initial start-up..........................................................................10 
5Maintenance............................................................................12 
5.1 Cleaning 12 
5.2 Preparing for dismantling 13 
5.3 Dismantling the pump head 13 
5.4 Assembling the pump head 13 
6Rectifying transfer problems.................................................15 
7Spare parts..............................................................................16 
8Returning the pump................................................................18 
 
 
 
 
 
 
 

General Installation Instructions FP 25

KNF Flodos 338092_MA_FP25_EN_00

1 General

1.1 Information about the instructions

The Installation Instructions describe the requirements for installing

the product correctly and safely into the complete machine.

These Installation Instructions are a part of the product. The safety-

relevant information should be taken over for the documentation of

the complete machine.

With customer-specific project pumps (pump types which begin

with “PL” or “PML”), there may be differences from the Installation

Instructions.

1.2 Warnings

Warnings in the Installation Instructions are marked by the hazard

symbol, the keywords, and the color. These features provide infor-

mation about the extent of the hazard.

DANGER

This indicates a dangerous situation that will directly cause death

or serious injury if not prevented.

WARNING

This indicates a dangerous situation that may cause death or seri-

ous injury if not prevented.

CAUTION

This indicates a dangerous situation that may cause moderate or

slight injuries if not prevented.

NOTICE

This indicates a situation that may cause damage to property if

not prevented.

Content

Storage location

Project pumps

Installation Instructions FP 25 General

KNF Flodos 338092_MA_FP25_EN_00

1.3 Disclaimer

The manufacturer accepts no liability for damage or malfunctions

that are caused by non-compliance with the Installation Instruc-

tions.

The manufacturer accepts no liability for damage or malfunctions

that are caused by modifications to or conversions of the device or

by improper handling.

The manufacturer accepts no liability for damage or malfunctions

that are caused by using spare parts or accessories that are not

approved by the manufacturer.

1.4 Manufacturer’s address

KNF Flodos AG

Wassermatte 2

6210 Sursee, Switzerland

Phone +41 (0)41 925 00 25

Fax+41 (0)41 925 00 35

www.knf.com

1.5 Supporting documents

The listed documents must also be observed. The valid versions

are available at www.knf.com.

▪Data sheet

▪3D model

The following must also be observed:

▪Local T&Cs

▪Sales documents and agreement between KNF and the cus-

tomer

▪Drive specification

Safety Installation Instructions FP 25

KNF Flodos 338092_MA_FP25_EN_00

2 Safety

2.1 Intended use

The pump is intended solely for the following uses:

▪Transferring liquids and gases

▪For operation in accordance with the operating parameters

specified in the technical data of the supporting documents

2.2 Reasonably foreseeable misuse

The pump must not:

▪be operated in an explosive atmosphere

▪be used to transfer explosive media

▪be used to transfer media whose compatibility with the pump

head, valves, diaphragm, and seals has not been proven

2.3 Responsibility of the user

The user is responsible for ensuring that the safety precautions in

these Installation Instructions are complied with. Applicable safety,

accident prevention, and environmental protection regulations must

be complied with.

2.4 Product-specific risks

Remaining risks that were determined in a risk assessment are de-

scribed in this section. Safety precautions and warnings in this sec-

tion and in the other sections of the Installation Instructions must

be observed to prevent dangerous situations.

DANGER

Danger of injuries and damage to property due to dangerous

substances

Poisoning and chemical burns or unintended reactions caused by

leaking dangerous substances

➢Observe the safety data sheets of the transferred media.

➢Before transferring a medium, check whether it can be

transferred safely in the specific application case.

➢Ensure that the system is not subject to any risks of explo-

sion –not even under extreme operating conditions (tem-

perature, pressure) or in case of malfunctions.

➢Ensure the pump is used only by suitably trained, skilled

employees.

➢Clarify the chemical resistance of the head materials.

➢Check that the pump and the system do not leak at the op-

erating temperature of the transferred medium.

➢Check the pump for damage regularly.

➢Operate the pump only when you are sure it has no tech-

nical malfunctions.

➢Operate the pump in accordance with the technical data.

➢Work on the pump or fluid circulation system only after they

have been decontaminated and/or a decontamination decla-

ration is present.

Installation Instructions FP 25 Safety

KNF Flodos 338092_MA_FP25_EN_00

DANGER

Danger of injuries and damage to property due to leaks at the

interfaces to the pump head

Poisoning and chemical burns or unintended reactions caused by

leaking dangerous substances

➢Wear personal protective equipment.

➢Connect the pump correctly.

➢Operate the pump only when you are sure it has no tech-

nical malfunctions.

➢Operate the pump in accordance with the technical data.

DANGER

Danger of injuries and damage to property due to uncon-

trolled flow while the pump is not in operation

Poisoning and chemical burns or unintended reactions caused by

leaking dangerous substances

➢Construct the fluid system so that the operating pressure at

the pressure side of the pump is higher than at the suction

side.

➢Install a shut-off valve in the fluid circulation system.

2.5 Customer service and repairs

All repairs to the pumps must be carried out by the responsible

KNF customer service team.

Use only genuine parts from KNF for servicing work.

Installation Installation Instructions FP 25

KNF Flodos 338092_MA_FP25_EN_00

3 Installation

WARNING

Danger from incorrect installation

Injuries or damage to property from leaking media

➢After installation, check the system for leaks with a safe

medium.

➢Observe the requirements for intended use.

➢Take precautions in the design of the end device so that

leaking liquids cannot come into contact with live compo-

nents.

➢Use only connections that are specified in the data sheet.

UNF1/4”-28 thread is recommended. Do not use NPT

threads or sealing tape, as cracks can occur at the plastic

connections.

The following requirements apply to all activities described in this

section:

3.1 Installation location

The installation location must:

▪protect the pump against immersion

▪keep aggressive and flammable liquids and vapors away

▪allow hoses to be connected without tensile or bending stress

▪take account of cooling the pump drive

▪ensure that any leaks can be handled

▪have appropriate precautions if flammable media are used

Mounting orientation

The following points are recommended for optimal filling and

venting of the pump head.

▪horizontal mounting position

▪Filling / emptying pump with nominal rpm (nominal voltage).

Figure 1: Horizontal orientation

Installation Instructions FP 25 Installation

KNF Flodos 338092_MA_FP25_EN_00

3.2 Mechanical mounting

▪Protect the product against impacts, knocks, and strong vibra-

tions.

▪Please refer to the product data sheet for dimensions, installa-

tion positions, and fluid connections.

Following mounting options are available

▪Groove (1) for mounting of clip (for detail information and avail-

ability contact KNF).

▪Holes (2) for PT screws KA30. Hole spacing and depth of holes

see data sheet FP 25. Torque 0.35Nm.

3.3 Connecting the fluid system

Use suitable means to check the fluid connection for leaks.

Connections more information regarding dimensions, please refer

to the data sheet.

3.4 Electrical connection

For terminal assignment, output data, and control requirements,

please refer to the data sheet.

Observe the regulatory requirements for electrical installations:

▪Overload protection and separating protective devices accord-

ing to current value on the type plate. The pumps must be

fused individually.

▪Contact protection and additional insulation

▪Ground connections

▪Protection against vibrations, tensile stress, and corrosion

For detailed information about control, please refer to the drive

specification (available from your local KNF dealer).

Figure 2: Mounting

Initial start-up Installation Instructions FP 25

KNF Flodos 338092_MA_FP25_EN_00

4 Initial start-up

The product must not be started up until it has been ensured that

the machine in which the product is to be installed meets the re-

quirements of the Machinery Directive 2006/42/EC, if applicable.

WARNING

Danger that the fluid system could rupture due to excess

pressure

The pump builds up pressure. With a closed system, the max.

permitted operating pressure can be exceeded. This may cause

injuries to personnel, or damage to the pump or the system.

➢Prevent operation against a closed system.

➢In the case of parts that are in contact with the fluid, use

only those that are designed to withstand at least the oper-

ating pressure of the pump.

➢If necessary, take suitable measures to limit the maximum

system pressure.

CAUTION

Danger of unexpected chemical reactions with water

Residues of water in the pump that come from testing in the fac-

tory may react with the transferred medium.

➢Before starting the pump for the first time, rinse it with a me-

dium that is uncritical as regards water.

VORSICHT

Danger of automatic restart

Pumps with brushless DC-motor have a thermal overload protec-

tion with automatic recovery to protect the motor from overheat-

ing. After cooling down the motor starts automatically.

➢Ensure that this does not cause a hazardous situation

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