AVENTICS NL4 Owner's manual

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English

1 About This Documentation

These instructions contain important information for the

safe and appropriate assembly and commissioning of the

product.

O Read these instructions carefully, especially the

chapter “Notes on Safety”, before you start working

with the product.

Additional documentation

O Read and follow the operating instructions for the

other components of maintenance units NL1/NL2/

NL4/NL6.

O Also follow the instructions for the other system

components.

O Furthermore, observe general, statutory and other

binding rules of the European and national laws, as

well as the valid regulations in your country to protect

the environment and avoid accidents.

Presentation of information

Safety instructions

In this document, there are safety instructions before the

steps whenever there is a danger of personal injury or

damage to equipment. The measures described to avoid

these hazards must be observed.

Structure of safety instructions

Meaning of the signal words

Symbols

SIGNAL WORD

Hazard type and source

Consequences of non-observance

O Measures to avoid hazards

CAUTION

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate injuries.

Operation may be impaired if this information is

disregarded.

2 Notes on Safety

The product has been manufactured according to the

accepted rules of current technology. Even so, there is a

risk of injury or damage if the following general safety

instructions and the specific warnings given in these

instructions are not observed.

O Read these instructions completely before working

with the product.

O Keep these instructions in a location where they are

accessible to all users at all times.

O Always include the relevant operating instructions

when passing the product on to third parties.

Intended use

The product is exclusively intended for installation in a

machine or system or combination with other components

to form a machine or system. The product may only be

commissioned after it has been installed in the machine/

system for which it is intended.

Use is permitted only under the operating conditions and

within the performance limits listed in the technical data.

Only use compressed air as the medium.

The product is technical equipment and is intended for

professional use only.

Intended use includes having read and understood these

instructions completely, especially chapter “Notes on

Safety”.

Personnel qualifications

All tasks associated with the products require basic

mechanical, electrical, and pneumatic knowledge, as well

as knowledge of the respective technical terms.

In order to ensure operational safety, these tasks may only

be carried out by qualified personnel or an instructed

person under the direction of qualified personnel.

Qualified personnel are those who can recognize possible

hazards and institute the appropriate safety measures,

due to their professional training, knowledge, and

experience, as well as their understanding of the relevant

conditions pertaining to the work to be done. Qualified

personnel must observe the rules relevant to the subject

area.

General safety instructions

W Observe the valid local regulations to protect the

environment in the country of use and to avoid

workplace accidents.

W Only use AVENTICS products that are in perfect

working order.

W Examine the product for obvious defects, such as

cracks in the housing or missing screws, caps, or

seals.

W Do not modify or convert the product.

W Persons assembling, operating, disassembling, or

maintaining AVENTICS products may not be under the

influence of alcohol, other drugs, or medications that

influence their ability to respond.

AVENTICS | NL1 / NL2 /

NL4 / NL6 | R412015553–BAL–001–AC | English

4

W The warranty will not apply if the product is incorrectly

assembled.

W Do not place any improper mechanical loads on the

product under any circumstances.

W Product warnings and information must be legible, i.e.

not covered by paint, etc.

Safety instructions related to the product and technology

W Lay cables and lines so that they cannot be damaged

and no one can trip over them.

W Do not operate the product in aggressive ambient air

(i.e. solvent gases).

3 Delivery Contents

The delivery contains:

W 1 distributor as per order

W Operating instructions

4 About This Product

Distributors are components of maintenance units and are

used to distribute compressed air. Pressure switches can

also be mounted with flange and pipe connections. The

following versions are available:

W DIS: standard distributor, for pressure switch with pipe

connection

W DIL: narrow distributor, for pressure switch with pipe

and flange connection

(only pipe connection for NL1)

W DIC: distributor with center infeed

W DIN: distributor with non-return valve, for pressure

switch with pipe connection

The following table shows the assignments to the series:

5 Assembly, Commissioning,

Operation

O Let the product acclimatize for several hours before

commissioning,

otherwise water may condense in the housing

Series Version Distributor

Switch symbols

see

NL1 DIL 2x I

DIN 1x IV

NL2 DIS 4x III

DIL 4x III

DIC 2x VI

DIN 4x V

NL4 DIS 4x III

DIL 4x III

DIC 2x VI

DIN 4x V

NL6 DIL 3x II

Flow direction from left (IN, Ⴌ ) to right (2, Ⴌ ). For

compressed air supply from right , components

must be rotated 180° along the vertical axis.

CAUTION

Danger of injury if assembled under pressure or

voltage!

Assembling when under pressure or electrical voltage

can lead to injuries and damage to the product or

system components.

O Make sure that the relevant system part is not under

voltage or pressure before you assemble the

product.

O Protect the system against being switched on.

System is operating under pressure.

Incorrect installation could damage the maintenance

unit/device and cause serious injury.

O Before start-up, check that all connections, ports,

and maintenance devices have been correctly

installed.

1

2

AVENTICS | NL1 / NL2 / NL4 /

NL6 | R412015553–BAL–001–AC | English

5

Assembling the mounting elements

–

O Observe the figures – .

Assembling the pressure sensor

Flange mounting (only with DIL distributor/

narrow; not with NL1)

1. Remove the blanking screw (a).

2. Insert the O-ring (b) into the sealing groove (c).

3. Mount the pressure sensor (d) onto the flange and

tighten it.

Pipe connection

1. Remove the blanking screw (a).

2. Mount the seals (d) onto the double nipple (b).

3. Screw the pressure sensor (e) onto the double nipple.

6 Service and Repairs

Cleaning and servicing

W Seal all openings with suitable protective caps to

prevent detergents from penetrating the system.

W Never use solvents or strong detergents. Only clean

the product using a slightly damp cloth. Only use water

and, if necessary, a mild detergent.

W Do not use high-pressure cleaners for cleaning.

W Do not use compressed air for cleaning (blowing off)

maintenance units or maintenance devices.

CAUTION

Sudden surge in pressure during start-up!

If no SSU filling unit is used, the system will suddenly be

under pressure during start-up. This could cause

dangerous and sudden cylinder movements.

O When starting up a system without the SSU filling

unit, make sure that the cylinders are in their end

position. For cylinders not in the end position, make

sure they do not present any danger.

W01

W06

W01

W06

3

4

7 Decommissioning,

Disassembly, Exchange

8Disposal

Scrap the device and fluid in accordance with local

regulations.

9 Troubleshooting

10 Technical Data

Maximum permissible pressure, temperature range, and

thread connection are indicated on the product.

CAUTION

Danger of injury if disassembled or exchanged under

pressure or voltage!

Disassembly or exchange when under pressure or

electrical voltage can lead to injuries and damage to the

product or the system components.

O Make sure that the relevant system part is not under

pressure or voltage before disassembling the

product or exchanging parts.

O Protect the system against being switched on.

Malfunctionin

g

Possible cause Remedy

Pressure/flow

level is not

reached or

slowly

decreases.

Working

pressure too

low

Set a higher working

pressure

Check tubing

diameter

Leakage in the

tubing

Check tubing and its

fittings

General data

Mounting orientation Any

For further technical data, please see the online

catalog at www.aventics.com/pneumatics-catalog.

AVENTICS | NL1 / NL2 / NL4 /

NL6 | R412015553–BAL–001–AC | English

6

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Abbildungen: Ansichten und Anzahl der Anschlüsse variieren je nach Serie.

Figures: Depending on the series, the view and number of connections may vary.

Figures : vues et nombre d’orifices varient selon la série.

IIIIII

IV V V I

1

Schaltsymbole:

I = 2-fach; II = 3-fach; III = 4-fach;

IV = Rückschlagventil, 1-fach;

V = Rückschlagventil, 4-fach;

VI = Mitteneinspeisung

Switch symbols:

I = 2x; II = 3x; III = 4x;

IV = non-return valve, 1x;

V = non-return valve, 4x;

VI = center infeed

Symboles de commande :

I = double ; II = triple ; III = quadruple ;

IV = clapet anti-retour, simple ;

V = clapet anti-retour, quadruple ;

VI = alimentation centrale

2

180°

Änderung der Durchflussrichtung /

Change of flow direction /

La modification du sens de débit

3

1. 2.

c

3.

2,5 + 0,5 Nm

a

d

b

Flanschmontage /

Flange mounting /

Montage par bride

4

b

1. 2. 3.

a

c

e

d

Rohranschluss /

Pipe connection /

Raccordement direct

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W04

1.

2.

3. 4.

3.

NL1:

NL2:

NL3:

NL4:

NL6:

15,6 x 1,78

19,22 x 1,78

23 x 2

37 x 2,3

b

a

*

)

NL 2: M = 1,2 Nm

D

NL 3: M = 1,2 Nm

D

NL 4: M = 3,5 Nm

D

NL 6: M = 3,5 Nm

D

*

)

NL1

NL2 - NL4

W06 NL1 - NL6

1.

3.2.

NL 1: M = 8Nm / D = 30,5

D

NL 2: M = 8Nm / D = 30,5

D

NL 3: M = 10Nm / D = 42,5

D

NL 4: M = 10Nm / D = 50,5

D

NL 6: M = 8Nm / D = 30,5

D

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W04

1.

2.

3. 4.

3.

NL1:

NL2:

NL3:

NL4:

NL6:

15,6 x 1,78

19,22 x 1,78

23 x 2

37 x 2,3

b

a

*

)

NL 2: M = 1,2 Nm

D

NL 3: M = 1,2 Nm

D

NL 4: M = 3,5 Nm

D

NL 6: M = 3,5 Nm

D

*

)

NL1

NL2 - NL4

W06 NL1 - NL6

1.

3.2.

NL 1: M = 8Nm / D = 30,5

D

NL 2: M = 8Nm / D = 30,5

D

NL 3: M = 10Nm / D = 42,5

D

NL 4: M = 10Nm / D = 50,5

D

NL 6: M = 8Nm / D = 30,5

D

The data specified above only serve to

describe the product. No statements

concerning a certain condition or

suitability for a certain application can

be derived from our information. The

given information does not release

the user from the obligation of own

judgement and verification. It must be

remembered that our products are

subject to a natural process of wear

and aging.

An example configuration is depicted

on the title page. The delivered

product may thus vary

from that in the

illustration.

Translation of the original operating

instructions. The original operating

instructions were created in the

German language.

R412015553–BAL–001–AC/07.2016

reserved by AVENTICS GmbH, even

and especially in cases of proprietary

rights applications. It may not be

reproduced or given to third parties

without its consent.

AVENTICS GmbH

Ulmer Straße 4

30880 Laatzen, GERMANY

Phone +49 (0) 5 11-21 36-0

Fax: +49 (0) 511-21 36-2 69

www.aventics.com

info@aventics.com

AVENTICS NL4 Owner's manual

AVENTICS NL4 Owner's manual

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