System air EX 140A Troubleshooting guide

Document in original language | 135371 · A007

Explosion proof fans

EX 140A/180A — Presafe 16 ATEX 8598 X

Operation and Maintenance Instructions GB

135371 | A007

E&OE

Systemair AB reserves the rights to alter their products without notice.

This also applies to products already ordered, as long as it does not affect the previously agreed specifications.

135371 | A007

Contents

1 EU Declaration of conformity..............................1

2 Safety information...........................................2

2.1 Specific conditions of use (1-4) .................4

3 Transport and storage ......................................4

4 Technical data ................................................5

4.1 Dimensions...........................................5

4.2 Wiring..................................................6

5 Installation.....................................................7

5.1 Installation example................................8

6 Checklist .......................................................9

7 Commissioning ...............................................9

8 Maintenance, service and repair ....................... 10

9 Other..........................................................11

9.1 Name plates ....................................... 12

EU Declaration of conformity | 1

1 EU Declaration of conformity

Manufacturer

Systemair Sverige AB

Industrivägen 3

SE-739 30 Skinnskatteberg SWEDEN

Office: +46 222 440 00 Fax: +46 222 440 99

www.systemair.com

The manufacturer hereby declares that the following products:

Centrifugal fans EX 140A/180A

EU-type Examination Certificate (ATEX) Presafe 16 ATEX 8598 X DNV GL Nemko Presafe AS (2460)

Quality Assurance Notification (ATEX) Presafe 16 ATEX 8871Q DNV GL Nemko Presafe AS (2460)

(The declaration applies only to a product in the condition that it was delivered in and that was installed in the facility in

accordance with the included installation instructions. The insurance does not cover components that are added or ac-

tions carried out subsequently on the product).

Comply with all applicable requirements in the following directives:

• ATEX Directive 2014/34/EU

• Machinery Directive 2006/42/EC

• EMC Directive 2014/30/EU

The following harmonized standards are applied in applicable parts:

EN 60 079-0:2012/A11:2013 Explosive atmospheres — Part 0: Equipment - General requirements.

EN 60 079-1:2014 Explosive atmospheres — Part 1: Equipment protection by flameproof enclosures

"d"

EN 60 079-7:2015 Explosive atmospheres — Part 7: Equipment protection by increased safety ''e''.

EN 14986:2017 Explosive atmospheres — Design of fans working in potentially explosive

atmospheres.

EN ISO 12100:2010 Safety of machinery - General principles for design - Risk assessment and risk

reduction.

EN ISO 13857 Safety of machinery - Safety distances to prevent hazard zones being reached

by upper and lower limbs.

EN 61000-6-2 Electromagnetic compatibility (EMC) – part 6-2: Generic standards - Immunity for

industrial environments.

EN 61000-6-3 Electromagnetic compatibility (EMC) – part 6-3: Generic standards - emission

standard for residential, commercial and light-industrial environments.

Skinnskattberg 09–04–2018

Mats Sándor

Technical Director

135371 | A007

2| Safety information

2 Safety information

Danger

• Before maintenance, service or repair cut the power supply (all-pole breaker) and the impeller to stop.

• Mounted safety equipment must not be removed, bypassed or be disabled!

• Cleaning with a damp cloth when the fan is energized can cause electric shock!

The installation instructions are part of the product and should be stored so that it is always available. The manufacturer

of the system or the plant is responsible for the installation and that safety instructions are in harmony with the

requirements.

EX 140A/180A are certified according to Directive 2014/34/EU (ATEX). Fan Category for fans is BV3 quality grade G6.3

according to ISO 14694. The motor rating plate (A, figure 1) shows data for the motor and does not apply for the com-

plete fan. The fan rating plate shows data for the complete fan (B, figure 1). The field of explosion protection is stated

on the fan rating plate (for example Ex de IIC T4). The fan fulfils the requirement for zone 1 but does not separate zones.

Fan may be used in explosive environments for the transport of gas, but not the transport of hot fumes.

The fan is designed for transport of air or explosive atmospheres in Zone 1 and Zone 2. Transport of solids, shares of

solids or mixtures of dust/air is not allowed. The transported air must not corrode the fan housing, fan blades or motor

(aluminium and steel). Rust particles may not occur in the airflow.

Resonance vibrations can occur due to mounted components and should be checked during commissioning.

The fans must not be installed outdoors.

< 40 mm

Fig. 1

A = Motor data

B = Fan data

C = Production label

Installation, electrical connection and commissioning may only be performed by qualified personnel and in accordance

with the requirements and regulations for electrical installations in areas with explosive atmospheres.

Installation, inspection and maintenance in accordance with EN 60079-14/-17 meets the requirements. Fan should be

installed and protected against foreign objects that come in contact with moving parts and may cause sparks.

No moving parts should be accessible after installation (EN ISO 13857).

Inspection and cleaning should be done regularly, cleaning of deposits will prevent imbalance of the impeller. Make

sure that all the details are correctly reassembled after inspection/cleaning (see chapter 8).

Protective earth (PE) must be connected, the external ground wire connection is placed on the motor (figure 1). Electri-

cal connections must be made according to the wiring diagram. When the fan is controlled the current can increase at

regulated voltage, the power must never exceed the rated power, see table 1. Data provided on the rating plate applies

to air with density of 1.2 kg/m3.

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Safety information | 3

Table 1

Rated data

Fan type Voltage/Frequency P

rpm

min.—max.

Isol.

class

Weight

Min. flow

m3/h

Max. flow

m3/h

Ex 140A-2

230V(Δ) 3~ 50Hz 777 3,39

1550-2980

F 10,0 100 1270

380-415V(Y) 3~ 50Hz 822 1,96 F10,0 100 1270

Ex 140A-2C 220-240V 1~ 50Hz 848 3,85 1320-2960 F 10,7 100 1260

Ex 140A-4

230V(Δ) 3~ 50Hz 159 1,00

800–1485

F 6,3 100 610

380-415V(Y) 3~ 50Hz 168 0,62 F 6,3 100 615

380-440V(Y) 3~ 60Hz 210 0,53 550–1795 F 6,3 100 740

Ex 140A-4C

220-240V 1~ 50Hz 178 1,05 625–1485 F 6,7 100 620

220-240V 1~ 60Hz 218 0,94 545–1795 F 6,7 100 705

Ex 180A-4

230V(Δ) 3~ 50Hz 227 1,07

605–1480

F6,4 100 875

380-415V(Y) 3~ 50Hz 238 0,67 F 6,4 100 875

380-440V(Y) 3~ 60Hz 326 0,63 530–1790 F 6,4 100 1030

Ex 180A-4C

220-240V 1~ 50Hz 234 1,18 450–1480 F6,9 100 880

220-240V 1~ 60Hz 323 1,39 370–1780 F 6,9 100 1010

1The current may exceed the rated current on the fan label as long as the total power consumption does not exceed the rated

power value given.

Step 12 3 4 5

Voltages 1~ 80V 105V 130V 160V 230V

Voltages 3~ 95V 145V 190V 240V 400V

Motors are equipped with PTC resistors in triple execution. More than two PTC resistor chains may not be connected in

series, as this can lead to indefinite suspension. Max. test voltage of PTC resistors are 2.5 V.

Inspection and maintenance of the temperature monitoring unit shall be made according to instructions and according

to a time interval specified in the certificate and instruction manual of the temperature monitoring device.

Note:

Speed control using frequency inverter is not permitted. It is only permitted to use transformer-based

controls for speed control. The fan current/power must not exceed the current/power specified on the fan

rating plate at rated voltage. By increasing the static back pressure the fan can be throttled up to a lower

current/power if the speed control is not in use.

135371 | A007

4| Transport and storage

2.1 Specific conditions of use (1-4)

1. Thermal protectors (PTC) applied in the motor windings shall be connected to an appropriate protection device con-

forming to EN 50495.

2. Ducts or sockets on inlet and outlet has to be protected with IP20 according to EN 60529

3. The fastening screws used for el. motor have to comply with quality 8.8 ISO 898-1.

4. The supply voltage must be within the values specified on table 2.

Table 2 Rating and ambient temperature

Model Phase Supply voltage Tamb

EX 140A-2C 1 220-240V AC 50Hz -20°C to +60°C

EX 140A-2 3 230V (Δ) AC 50Hz -20°C to +60°C

380-415V(Y) AC 50Hz

EX 140A-4C, EX 180A-4C 1220-240 AC 50Hz -20°C to +60°C

220-240V AC 60Hz

EX 140A-4, EX 180A-4 3

230V(Δ) AC 50Hz

-20°C to +60°C

380-415V(Y) AC 50Hz

440V(Y) AC 60Hz

3 Transport and storage

The fan is packed at the factory to withstand normal handling during transit. Avoid blows and shock loads. Store the fan

in a dry, dust-free place without damaging vibrations (v eff <0.2 mm/s) to avoid bearing damage. Avoid long storage

periods (we recommend max.1 year). Before installing the fan, check the motor bearings for noise (spin the impeller

carefully by hand).

Caution

Do not lift the fan in any cable, junction box or the impeller.

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Technical data | 5

4 Technical data

4.1 Dimensions

øF

M4(4X)

øG

115

23.5

ø9 (4X)

ø7 (6X)

KEX 140 ø6(4X)

EX 180 ø7(4X)

Model A B C D E øF øG H

EX 140A–4, EX 140A–4C 301 262 227 285 154 118 158 231

EX 180A–4, EX 180 A-4C 314 294 261 302 171 149 194 211

EX 140A-2, EX 140A-2C 324 262 227 291 154 118 158 211

Model I J K L M N O Weight, kg

EX 140A–4, EX 140A–4C 191,5 130 115 94 120 105 92 6,3/6,7

EX 180A–4, EX 180 A-4C 191,5 125 110 86 140 120 109 6,4/6,9

EX 140A-2, EX 140A-2C 210,5 130 115 94 120 105 92 10/10,7

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6| Technical data

4.2 Wiring

Ex 140A-2C,140A-4C, 180A-4C Ex 140A-2, 140A-4, 180A-4

PTC

CAP

3LL2L1

V2U2W2

W1V1U1

PTC

V1 W1

V2U2W2

L3L21L

PTC

220-240V 1 ~ 380-440V 3~ (Y) 230V 3~ (D)

Sample motor protection

Us = supply voltage H1 = fault indicator

S1 = off switch F1-F4 = fuses

S2 = push button on K1 = contactor

S3 = push button external reset TP = PTC thermistor

Sample wiring

T2 T1

14 11 12

U-EK230E

T2 T1

14 11 12

U-EK230E

L1 L2 L3

T1 T2 L1 L2 L3

T1 T2

3~ D/Y

L1 L2 L3 N

RTRD/U

U1 V1 W1 TK TK

135371 | A007

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