System air AW-EX Series User manual

Stand: / Issue:

Originalanleitung: deutsch

Baureihen:

Axialventilatoren AW-EX; AXC-EX; AXCBF-EX

Dachventilatoren DVEX

Rohrventilatoren RVK-EX

Series:

Axial fans AW-EX; AXC-EX; AXCBF-EX

Roof fans DVEX

Duct fans RVK-EX

Serie:

Axialäktar AW-EX; AXC-EX; AXCBF-EX

Takäktar DVEX

Röräktar RVK-EX

Montage- und Betriebsanleitung

Installation and Operating Instructions

Anvisningar för montering och drift

Руководство по установке и эксплуатации

Instrukcja obsługi i montażu

EX-Ventilatoren / EX Fans

(Ventilatoren für den Einsatz in explosionsgefährdeten Bereichen)

(Fans for use in area in explosion-capable areas)

(äktar för användning i explosiv miljö)

(Вентиляторы для применения во взрывоопасных условиях)

(Wentylatory przeznaczone do pracy w strefach zagrożonych wybuchem)

Seite 3

Page 38

Sida 69

Стр. 100

Strona 134

Серии:

Осевые вентиляторы AW-EX, AXC-EX, AXCBF-EX

Крышные вентиляторы DVEX

Канальные вентиляторы RVK-EX

Typoszeregi:

Wentylatory osiowe AW-EX; AXC-EX; AXCBF-EX

Wentylatory dachowe DVEX

Wentylatory kanałowe RVK-EX

PYC

2.4.3 Personnel for operation, use, maintenance and cleaning

Operation, use, maintenance and cleaning may only be done by trained personnel with the authorisation to do so. The

operating personnel must possess knowledge of how to use the fans. In the event of a disturbance or an emergency,

they must be able to react correctly and suitably.

2.4.4 Unauthorised persons

WARNING

Hazard for unauthorised persons!

Unauthorised persons do not know the risks in the work area.

For this reason:

›Keep unauthorised persons away from the work area.

›If in doubt, address the person and eject him/her from the work area.

›Interrupt work as long as unauthorised persons are still in the work area..

2.4.5 Personal protective equipment

WARNING

Health risks!

In order to rule out risks for the employees‘ health, protective clothing must be worn in explosion-

capable areas.

›For all work, wear a helmet, safety shoes, ear protection and work protection clothing.

›Pay attention to the information shown in the work area concerning personal protective equipment.

›Wear protective gloves in work to which specic reference is made in these instructions.

2.5 Safety devices

An internal thermistor (PTC) with nished lines for connection to a motor protection device has been installed as an

overheating protection for the motors of the EX fans.

CARE

Property damage from overheating of the motor

» The motor can overheat and be destroyed if the thermo-contacts have not been connected.

» Always connect the thermo-contacts to a motor protection device!

3 Warranty

Warranty for our products shall be based on the contractual stipulations, our quotations and also as a supplement our

General Terms and Conditions of Business. Warranty claims shall presuppose that the products are connected properly,

operated and used in accordance with the data sheets and are also maintained as required.

4 Delivery, transport, storage

4.1 Delivery

Each device leaves our factory in an electrically and mechanically awless condition. The EX fans are supplied on pal-

lets.

We recommend transporting them to the place of assembly in the original packaging.

Warranty

CARE

Hazard from cutting!

›Wear protective gloves when unpacking.

Check delivery

"Check the Ex fans for obvious defects or other defects which can impair safe operation.

"Above all pay attention to the connection wire, terminal boxes, rotor, cracks in the housing, missing rivets, screws

or covering caps.

4.2 Transport

HAZARD

Loss of explosion protection!

Transport damage can lead to a loss of explosion protection.

›If transport damage can be seen, do not put the device into operation.

›Contact the manufacturer.

WARNING

Risk from hovering loads!

» Do not walk under hovering loads.

» Only move loads under supervision.

» Lower the load when leaving the workplace.

WARNING

Electrical hazard from damaged connection wire or connections

»Do not transport by the connection wire, terminal boxes, rotor or the admission nozzle.

"Transport the EX fan carefully and with suitable lifting equipment.

"Transport the EX fan either in the original packaging or the transport attachments provided for this purpose (e.g.

ring screws; bores in carrying arms, wall ring panels).

"Only lift the EX fan by the transport attachment when unpacking it.

"DVEX: Screw the ring screws in. Transport the fan with them.

"When transporting by hand, pay attention to reasonable human lifting and carrying powers (weight information,

see name plate).

"Avoid blows and impacts and distortion of the housing parts.

4.3 Storage

CARE

Hazard due to loss of function of the motor bearings

» Avoid storing for too long (recommendation: max. 1 year).

» Turn the rotor manually every three months, wear gloves.

» Before installation, check proper function of the motor bearings.

"Store the EX fan in the original packaging dustproof, dry and protected against weather.

"Avoid extreme effects of heat or cold.

Delivery, transport, storage

5 Description

With a view to the selection of materials, the EX fans full the requirements of Standard DIN EN 14986 (Construction of

fans for use in explosion-capable areas) as a result of specic protective measures in the area of possible contact sur-

faces between rotating and stationary components (rotor/admission nozzle)

5.1 Identication

Example

0820 II 2G c Ex e IIB T3 Gb Sira 07ATEX6341X

CE sign

0820 Notied ofce (quality assurance system)

Device certied for Ex area

II Device group (here: use above ground)

2G Device category and classication (G = gas, D = dust)

Ex e

Kind of ignition protection „c“ = constructive safety (not electric)

Kind of ignition protection („d“ = pressure-proof encapsulation, „e“ increased safety, „nA“ =

not sparking)

IIB Groups

T3 Temperature class

Gb EPL (Equipment Protection Level)

Sira 07ATEX6341X EC type test certicate number

Table 1: Identication

Designation

Device group II All areas with explosive atmosphere except mining industrie under-

ground and on the surface at mine gases.

Device category/

classication

„2G“ 2 Category 2 / zone 1 / high safety Devices of this category are inten-

ded for use in areas in which it can be expected that an explosion-

capable atmosphere of gases, vapours, mists occasionally occurs.

„3G“ 3 Category 3 / zone 2 / normal safety / Devices of this category are

intended for use in areas in which it cannot be expected that an

explosion-capable atmosphere occurs as a result of gases, vapours,

mists, but if it does occur, then in all probability only rarely and for a

short period of time.

GGases/vapours/mists

Table 2: Identication

Description

Designation

Kind of ignition

protection

„c“ Constructive

safety

DIN EN 13463-5

„d“ Pessureproof

encapsulation

Ex d

DIN EN 60079-1

„e“ increased

safety

Ex e

DIN EN 60079-7

Production of sparks, light arcs or inadmissible temperatures which

could act as a source of ignition is prevented by additional measures

and an increased degree of safety.

Non-sparking

equipment

Ex nA

DIN EN 60079-15

Explosion-capable mixtures can penetrate into the housing of the

operating equipment, but may not be ignited. Sparks and ignition-

capable temperatures must be avoided.

Group Group II IIA

IIB

IIC

z. B. Propane ...

z. B. Ethylene ...

z. B. Hydrogen ...

Temperature

class

450 °C

300 °C

200 °C

135 °C

I: Methane

IIA: Acetone, Ammoniac, Methane, Methanol, Propane, Toluene

IIB: Town gas

IIC: Hydrogen

IIA: Ethyl alcohol, n-Butane

IIB: Ethylene

IIC: Acetylene

IIA: Otto fuels, Diesel fuels, fuel oils

IIB: Hydrogen sulphide

IIA: Acetaldehyde, ethyl ether

Table 2: Identication

5.2 Certication according to ATEX directive 2014/34/EU

EC type test certication

Types Certication number Identication Kind of ignition

protection

AW-EX ZELM 05 ATEX0279X II 2G c Ex e IIB T4 c, Ex e

AXCBF-EX Sira 07 ATEX 6341X II 2G c T*

Tu = -20°C ... max. 60°C

(T* is equal to temperature classication of the

motor)

c, Ex e, Ex d, Ex nA

AXC-EX

RVK-EX ZELM 03 ATEX0198X II 2G c Ex e IIB T3 c, Ex e

DVEX SP07ATEX31..X II 2G c Ex e IIB T3 c, Ex e

Table 3: EX identication

Description

5.3 Technical data

AW-EX AXCBF-EX AXC-EX RVK-EX DVEX

Temperature range [°C]

ambient and material

-20 °C ... +40 °C

-20 °C ... max.

60 °C

-20 °C ... max.

60 °C

-20 °C ... +40 °C -20 °C ... +40 °C

Voltage / current strength see name plate

Protection class see name plate

Sound pressure at [dB(A)] 3 m

62 ... 72

3 m

44 ... 82

3 m

47 ... 99

3 m

4 m/10 m

44...57/36...49

Dimensions see data sheet

Weight see name plate

Rotor diameter see name plate

Integrated posistor

(PTC1))

yes

Table 4: Technical data of the EX fans

1) Positive temperature coefcient

NOTE

Further technical data can be found in the data sheet of your EX fan.

5.4 AW-EX axial fan series

5.4.1 Types

AW 355 D4-2-EX

AW 420 D4-2-EX

AW 550 D6-2-EX

AW 650 D6-2-EX

5.4.2 Description

• Ignition protection class „Ex e“ (increased safety)

• Motor protection by posistor in combination with a suitable motor protection device with EC test type certication

• 2-phased operation thanks to D/Y switching

Fans of the AW-EX series have a voltage-variable external rotor motor with nished wire (65 cm). To make wall tting

possible, they have been attached to a square wall panel.

Housing and axial rotor are made of galvanised and powder-coated sheet steel (RAL9005).

The fans of the AW-EX series can be used for temperature classes T1, T2 and T3 AW-EX355 and 420 also T4). They

convey explosion-capable gases in Zone 1 and Zone 2 as well as groups IIA and IIB.

Description

Fig. 1: Fan of the AW-E series with accessories

Legend

1 VK Self-acting covering cap 3 Fan

2 SG-AW Contact-protection grid 4 Contact-protection grid

5.4.3 Type designation

Example AW 355 D4-2-EX

AW Axial fan

355 Size/rotor diameter 355 ... 650

D Kind of motor D: Three-phased current

4Number of poles 4 V: 4/4-poled variable motor,

S: 6/6- poled variable motor,

4: 4/4-poled

6: 6/6-poled

2Mechanical version

EX Explosion-protected fan

Table 5: Type key of the AW-EX series

5.4.4 Name plate (example)

Fig. 2: Name plate of the AW-EX series

Legend

1 Manufacturer‘s information 5 EC type test certicate number

2 Electrical data 6 Code of the technical documentation (internal)

3 Current / current difference / speed 7 Article no./article designation

4Protection class / ATEX identication

123

Description

5.5 AXCBF-EX series / AXC-EX axial fans

5.5.1 Types

AXCBF-EX 250 AXCBF-EX 400

AXCBF-EX 315 AXCBF-EX 500

AXCBF-EX 630 AXCBF-EX 800

AXC-EX 355 ... AXC-EX 1600

5.5.2 Description

• Aerodynamic rotor

• Hub and blades of aluminium die cast

• Housing hot-galvanised steel to DIN EN ISO 1461

• Aluminium slip ring

• Seamed anges to Eurovent standard ½ for high rigidity

• Three-phase motors, IP55, insulation class F, according to EN 60034, IEC 85.

• Admissible ambient temperatures from -20°C to max. 60°C, see Table 6.

• AXC-EX: supplied with Ex e connection box on the outside of the housing

• AXCBF-EX: motor outside the air ow

The divided medium-pressure axial fans of the AXCBF-EX / AXC-EX series are available with rotor diameters from 250

to 1600 mm.

They can be used for temperature classes T1, T2, T3 and T4. They convey explosion-capable gases in Zone 1 and Zone

2 as well as groups IIA, IIB and IIC.

Ex d: The motor has motor protection through an integrated posistor (PTC) and is speed-variable through a frequency

converter.

For temperatures above +40 °C, the maximum motor load according to the following table is to be considered:

Description

Temperature Max. input power in proportion to nominal power in %

40 °C 100 %

45 °C 95 %

50 °C 90 %

55 °C 85 %

60 °C 80 %

Table 6: Motor load

1234 5

910

Fig. 3: Fans of the AXCBF-EX / AXC-EX series with accessories

Legende

1 SG Protection guard 6 MP (4x angle 90°) Mounting brackets up to size 1000

2 ESD-F Inlet cone 7 LRK Air operated damper

3 RSA Silencer 8 GFL Counterange

4 EV-AR/AXC Flexible connection 9 MFA Mounting feet

5 MPR Mounting ring 10 FSD (4x) AV Spring mounts

Description

5.5.3 Type designation

Examples AXCBF-EX 250-6/28°-2

AXC-EX 355-7/32°-4

AXCBF AXC Axial fan

EX EX Explosion-protected fan

250 355 Size/rotor diameter 250 ... 1.600

67Number of blades

28° 32° Blade angle

24Number of poles

Table 7: Type key of the AXCBF-EX / AXC-EX series

5.5.4 Name plate (example)

Systemair GmbH, 97944 Boxberg-Windischbuch Deutschland

Tel: +49 (0) 7930-92720 Fax: +49(0) 7930-927293

www.systemair.de

RefNr

TypNr

P2 kW

Höchst kW

Ampere

26°

2011

400

2890

Winkel

Baujahr

Volt

Phase

U/min

AXC-EX-500-9/26°-2

5,50

5,10

0820 II 2G c

Ex d(e) IIC T4

Sira 07ATEX6341X

ta = -20°- +60°C

Pa. Nummer einfügen

1Manufacturer‘s information

2Product order number

3 Type no. / blade angle

4 Motor output / year of manufacture

5 - / frequency

6Max. output / voltage

7 - / phases

8 Current / revs./minute

9Identication to ATEX

10 EC test type certication number

11 Ambient temperature

Fig. 4: Name plate of the AXCBF-EX / AXC-EX series

Description

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