Auer DFT3 User manual

Explosionproof telephone dFT3

Operating manual

dFT3 1.1 1

Fern Tel 3

2 dFT3 1.1 1

The dFT3 telephone is an explosionproof version of the weatherproof dFT3

telephone with all its features. The operating manual is still valid, with the addition of the

following items.

Operation

The dFT3 telephone is used as a stationary device in areas potentially endange-

red by an explosive gas or dust atmosphere.

Designed for Device Group II and Categories 3G and 3D, it may be operated within

zones 2 and 22.

The dFT3 telephone may only be operated in the analogue, public telephone

network and via analogue terminals of branch exchanges.

Commissioning

After having been connected to the telephone line, the telephone is operational.

Operating utilization position

The telephone may be mounted on a wall or used as a desk telephone.

Service

The telephone contains no serviceable parts.

Care and maintenance

The telephone is maintenance-free. Still, if the operating area is highly contaminated by

dust, fat, oil etc., the device should be cleaned from time to time.

The device may only be cleaned using a damp cloth in order to avoid electrostatic

charging.

Never use sharp objects for cleaning.

During maintenance, check accessible seals for function, e.g. regarding possible

damage or positioning. If the seals are damaged, operating the telephone is not allo-

wed. Damaged seals must be replaced.

Disposal

The complete device should be disposed of as electronic waste. When the device is

disassembled, plastics, metals and electronics components are to be disposed of

separately. In every single case the national requirements and regulations for waste

disposal must be observed.

dFT3 1.1 3

Warnings and security information

This device is a explosionproof, weatherproof telephone especially designed for use in

rough industrial environments.

Please note the following warnings and security information:

– The installation and adjustment of the device must be carried out by qualified per-

sonnel in accordance with the prescribed installation regulations taking the specified

types of protection into account.

– This apparatus is a Protective Class lI device and may only be connected to and

operated at the voltage it was designed for.

Make sure the connections are in perfect order.

– Make sure the telephone housing, the connecting cable and the receiver cord are

not damaged. If the device is damaged, it may not be operated.

– While operating the device in commercial facilities, the accident prevention regula-

tions of the Employers' Liability Insurance Association regarding the use of electrical

systems and devices must be observed.

– The device may be operated solely under the stated ambient conditions. Unfavoura-

ble ambient conditions can lead to damage of the device and thus present a poten-

tial danger for the user.

Unfavourable ambient conditions include:

• Humidity of air too high (>75% rel., condensing)

• moisture, dust (pay attention to the degree of protection)

• flammable gases, vapours and solvents not covered by the

device’s type of protection

• too high ambient temperatures (>+55°C)

• too low ambient temperatures low (<-20°C)

– During operation of the device the temperature must not exceed nor fall below the

prescribed range of ambient temperatures. It is not allowed to operate the device

with an additional cover.

– Repairs may be carried out by the manufacturer or by a person appointed by the

manufacturer followed by a renewed product conformity inspection.

– Make sure the wiring is disconnected from the power supply upon connecting or

disconnecting the wires in the terminal room.

– If electrical connections must be carried through in the hazardous area, the enclosu-

re must be opened and closed as follows:

• Remove voltage from the device

• Loosen the fastening screws from the keypad insert

• Remove the keypad insert and unfasten the keypad cable

4 dFT3 1.1

• Make the connections while the device is open

• When the work is done, plug the keypad back on, and place the keypad insert

back on the lower part of the device.

Make sure the seal is correctly positioned and in perfect working order. Then tighten

the fastening screws in a diagonal pattern.

– Only blind plugs and cable glands as prescribed by the manufacturer may be used.

Should these points not be observed, the explosion protection of the device cannot be

guaranteed. The device then poses a potential threat to the user’s life and can cause

the ignition of an explosive atmosphere.

CE symbol

The dFT3 fulfils the demands of the R&TTE Directive 1995/5/EC and the ATEX

directive 94/9/EC. The CE symbol confirms the conformity of the device with the

above-mentioned Directives.

Technical Specifications

Electrical characteristics

Connection data DC voltage La / Lb: Ui = 66 Vdc

Ringing voltage 24 Vac - 90 Vac / 16 Hz…68 Hz

Sounder input

impedance ≥6.0 kΩat 25 Hz

≥3.5 kΩat 50 Hz

General specifications

Enquiry key (flash) for dual-tone

multifrequency only 80 ms, 120 ms, 600 ms

Dialling procedure Dual-tone multifrequency Frequencies according to ITU-T Q.23

Tone duration unlimited or 90 ms

Pulse dialling Pulse/Pause ratio

1.5: 1 (60 ms/40 ms) or

2:1 (66.7/33.3 ms)

Ringing volume max. approx. 95 dB(A) at 1 m distance

Housing Height x Width x Depth 293 x 191 x 128 mm

Weight Approx. 2300 g

Receiver Microphone Electret-foil microphone

Receiver inset dynamic receiver inset with magnetic

field generator

dFT3 1.1 5

Connecting terminals

Labelling

Power cable 2-pin TCP/La - TCP/Lb

Secondary sounder cable 2-pin W - W1

Conductor cross section

flexible fine-wired 0.75 – 2.5 mm2/ AWG14

rigid single wired 0.75 – 2.5 mm2/ AWG14

When connecting the wire, observe the fulfilment

of the Class II requirements as follows:

1. For connection always use the required terminal (5)

2. The shielding isolation must be long enough to reach at least to the upper edge

of the cable gland.

3. The exposed conductors, from which the isolation has been removed,

must be situated in the terminals.

In order to avoid electrostatic discharge, the potential must be evened out. (17)

Dimensions connecting cable / cable entry

Cable entries M20 x 1.5 / M12 x 1.5

Blind plugs M20 x 1.5 / M12 x 1.5

Connecting cable diameter 6 – 13 mm

Connection potential compensation 1.5 – 4 mm2

6 dFT3 1.1

Ambient temperature range and explosion protection

Type of protection II 3 G Ex nAnL IIC T5

II 3 D Ex tD A22 IP65 T80°C

Ambient operating temperature -20°C ≤Ta ≤+55°C

Storage and transport temperature -25°C ≤T ≤+70°C

Housing degree of protection IP 65

Labelling

Company J.Auer Fabrik elektr. Maschinen GmbH

Type dFT3

20°C ≤Ta ≤+55°C IP 65 Ui = 66 Vdc / 90 Vac

II 3 G Ex nAnL IIC T5 /

II 3 D Ex tD A22 IP65 T80°C

DEKRA BVS 09 ATEX E 061

Do not open while energized.

For cleaning moist cleaning-rag must be used

CE II 3 G Ex nAnL IIC T5 /

II 3 D Ex tD A22 IP65 T80°C

dFT3 1.1 7

EG KONFORMITÄTSERKLÄRUNG

EC – DECLARATION OF CONFORMITY

DECLARTION CE DE CONFORMITE

DELLARCION DE CONFORMIDAD CE

Wir erklären in alleiniger Verantwortung, dass das Produkt auf das sich diese Erklärung bezieht mit der/den folgenden Normen

oder normativen Dokumenten übereinstimmt:

Herewith we declare bearing sole responsibility that the product referred in this declaration is in conformity with the following standards or

normative documents and regulations of the directive:

Nous declarons de notre seule responsabilite que le produit auquel se rapporte la presnte declaration est conforme aux normes ou aux

documents normatifs suivants :

Declaramos, con nuestra exclusiva responsabilidad, la conformidad del producto al que se refiere la presente declaracion la(s) norms(s)

Bezeichnung des Erzeugnisses Telefon

Name of product Telephone

Titre Produit Téléphone

Nombre del producto

Teléfono

Geräte- oder Typenbezeichnung

Equipment type or mark of equipment

Identification du produit

dFT3

Nombre del aparato o del tipo

Bestimmung der Richtlinie Nr. und Ausgabedatum der Norm(en)

Provisions of the directive No. and date of issue of the standard(s)

Désignation de la directive No. et date d´ émision de la/des norme(s)

Directiva aplicable N° y fecha de emisión de la(s) norma(s)

94/9/EG: Geräte und Schutzsyteme zur bestimmungsgemäßen

Verwendung in explosionsgefährdeten Bereichen EN 60079-0:2006

94/9/EC: Equipment and protective system intended for use in EN 60079-15:2005

potentially explosive atmospheres EN 61241-0:2006

94/9/CE: Appareils et systéme de protection destinés á étre EN 61241-1:2004

utilisés en atmosphéres explosibles

94/9/CE : aparatos y sistemas de proteccón para uso en

atmósferas potenciaömente explosivas

EG Baumusterprüfbescheinigung

EC-type-examination certificate

BVS 09 ATEX E 061

Attestation examen CE

Certificado de examen CE

Benannte Stelle für die Bescheinigung DEKRA EXAM GmbH

Notified body of the certificate Fachstelle für Sicherheit elektrischer Betriebsmittel - BVS

Organisme notifié de l` attestation Carl-Beyling-Haus

Organismo encargodo del certificado Dinnendahlstraße

Benannte Stelle für die Überwachung TÜV-Austria

Notified body of the inspection

Organisme notifié de contróle Krugerstraße 16

Organismo encargodo del examen A-1015 Wien

Hersteller / Anschrift J.Auer GmbH

Manufacturer / Factory address Perfektastr. 102

Fabricant / Adresse A-1230 Wien

Geschäftsfrührer: Dipl. Ing. Michael Auer

Managing director / Direction Gérant / Gerente: .......................................................

(Name, Vorname / name, prename / apellido, nombre)

Wien 22.04.2009

...................................... ................................... .......................................................

(Ort / place / lieu / población) (Datum / date / fecha ) (Rechtgültige Unterschrift)

D-44809 Bochum

8 dFT3 1.1

Operating manual

FernTel 3

Version 16 keys

without display

Version without keys,

without display

Version 21 keys with display

Tabletop unit

Weatherproof telephone wFT3

dFT3 1.1 9

Note

Please read the operating manual carefully before installing the device.

Please check the contents of the box for completeness.

Table of Contents

General operating notes.................................................................................... 4

Device overview / Dimensions ........................................................................ 5

Device versions.................................................................................................... 5

Controls and indicators..................................................................................... 6

Version with keypad (21 keys) and display .......................................................... 6

Version with keypad (16 keys), without display .................................................... 7

Version without keypad, without display............................................................... 7

As-delivered condition....................................................................................... 8

Box contents....................................................................................................... 8

Telephone presetting .......................................................................................... 8

Mounting and installing..................................................................................... 9

Wall version ........................................................................................................ 9

Table version .................................................................................................... 1

Mounting the sling holder .................................................................................. 11

Connection of a secondary sounder .................................................................. 11

Version wit keypad (21 keys) and display...................................... 12

Operation................................................................................................... 12

Seize (Make / answer a call)........................................................................ 12

Receiver volume ......................................................................................... 12

Make a call.................................................................................................. 12

Speed code dialling ..................................................................................... 12

Number redial ............................................................................................. 12

Disconnect .................................................................................................. 12

Enquiry call (dual-tone multifrequency only)................................................. 12

Telephone book .......................................................................................... 12

Programming............................................................................................. 13

Telephone book .......................................................................................... 14

Speed code dialling ..................................................................................... 14

Settings....................................................................................................... 15

Ringing signal........................................................................................ 15

Volume.................................................................................................. 15

Dialling mode ........................................................................................ 15

PBX....................................................................................................... 15

As-delivered condition ........................................................................... 15

Menu..................................................................................................... 15

Restrictions ................................................................................................. 15

Activate ................................................................................................. 15

None ............................................................................................... 15

Operation and programming 12

10 dFT3 1.1

Direct call ........................................................................................ 16

Total lock......................................................................................... 16

Telephone book............................................................................... 16

Programming................................................................................... 16

Direct call number.................................................................................. 16

PIN........................................................................................................ 16

Version with keypad (16 keys), without display ............................. 17

Operation ................................................................................................ 17

Seize (Make answer a call)..................................................................... 17

Amplified listening in receiver.................................................................... 17

Make a call............................................................................................... 17

Last number redial.................................................................................... 17

Disconnect ............................................................................................... 17

Enquiry call (dual-tone multifrequency only) .............................................. 17

Programming.......................................................................................... 17

Allow settings modifications ...................................................................... 17

Restrict settings modifications................................................................... 18

Adjust ringing volume ............................................................................... 18

Adjust the ringing melody.......................................................................... 18

Amplified listening in receiver, setting the levels........................................ 18

Set dialling mode...................................................................................... 19

Enter the exchange code.......................................................................... 19

Delete the exchange code ........................................................................ 19

Program pause following the exchange code ............................................ 20

Program the Enquiry Key (flash time)........................................................ 20

Restore to as-delivered condition.............................................................. 20

Change Personal Identification Number (PIN)........................................... 21

Signalling tones during programming................................................... 21

Version without keypad and without display .................................. 22

Operation ................................................................................................ 22

Seize (Make answer a call) and dialling .................................................. 22

Programming using device-internal

programming keypad (opt)..................................................................... 22

Setting operating mode............................................................................. 22

Enter speed code dialling number............................................................. 22

Adjust ringing volume ............................................................................... 22

Adjust the ringing melody.......................................................................... 23

Set dialling mode...................................................................................... 23

Restore to as-delivered condition.............................................................. 23

Signalling tones during programming................................................... 23

eneral information .......................................................................................... 24

Service............................................................................................................. 24

Care and maintenance .................................................................................... 24

Warnings and security information................................................................ 24

Technical Data .................................................................................................... 25

EC Declaration of Conformity........................................................................ 26

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