6.4kw air heater...the atex zone 1 6.4kw pre-heater is designed to elevatand maintain e the...

ML565 | v2 21-Sep-17

6.4kW Air Heater ML 565

ML565 | v2 i

Contents Product Overview ............................................................................................................... 1 Section 1. Technical Specification ...................................................................................................... 2 Section 2.

Self-limiting Parallel Heating Cable HSB 60 ........................................................................................... 2 BSTWII Capillary Tube Thermostat ........................................................................................................ 3 Cold-Applied Technology with brass cable gland explosion protected ................................................... 4 HAWKE Ex e Terminal Enclosure Type PL6* ......................................................................................... 5 STAHL Pilot Lamp (Control Device System) Type 8040/1198X ............................................................. 5

Installation ........................................................................................................................... 6 Section 3.Installation ............................................................................................................................................... 6 Air Supply ................................................................................................................................................ 6 Serial Number ......................................................................................................................................... 6 Power Supplies and their Isolation .......................................................................................................... 6 Provision of Alarm Signal ........................................................................................................................ 6

Commissioning ................................................................................................................... 7 Section 4.Initial Commissioning .............................................................................................................................. 7 Setting Thermostats ................................................................................................................................ 7 Commissioning ....................................................................................................................................... 7 Normal Operation .................................................................................................................................... 7

Drawings and Diagrams ..................................................................................................... 8 Section 5. Approval Documents .......................................................................................................... 8 Section 6.

ML565 | v2 Page 1

Expo Technologies UK T: +44 (0) 20 8398 8011 E: [email protected]

Expo Technologies US T: +1 (440) 247 5314 E:[email protected]

Expo Technologies China T: +86 532 8906 9858 E: [email protected]

Product Overview Section 1.The ATEX Zone 1 6.4kW pre-heater is designed to elevate and maintain the temperature of purge system air within a specified temperature range. Air is passed through a tube that is heated using self-limiting trace heating cable. Switching of power to the air heater is controlled by a capillary tube thermostat. A second thermostat produces an alarm signal when the output air temperature drops below a pre-determined value. System Operation Diagram

ML565 | v2 Expo Technologies UK T: +44 (0) 20 8398 8011

E: [email protected]

Expo Technologies US T: +1 (440) 247 5314

E:[email protected]

Expo Technologies China T: +86 532 8906 9858


Technical Specification Section 2.Explosion Protection

System: Zone 1, IIC, T3

Self-limiting Parallel Heating Cable: II 2G Ex e IIC T3 Gb II 2D Ex tb IIIC T195°C Db

BSTWII Thermostat: II 2G Ex de IIC T6

Cable gland: II 2GD Ex e II Ex tD A21 IP 68

Ex d Terminal Enclosure: Ex d IIC T5

Ex e Terminal Enclosure: Ex e IIC T5 Gb

Technical Data Enclosure Size 1100 x 675 x 700 Weight 160 kg

Electrical Data Supply Voltage 210V to 250V AC single phase supply Power Consumption 6.4kW maximum

Cable Glands M25 Ex d supply entry Temperature Range

Input Air >= -47°C Ambient Temp -50°C to +50°C

Operating Limits Pressure 4 - 7 bar Flowrate Size 5: 1000 – 9000Nl/min

Self-limiting Parallel Heating Cable HSB 60 (Source: http://www.bartec.co.uk/)

Description A temperature-dependant resistive element between two parallel copper conductors regulates and limits the power output of the heating tape. This output regulation is carried out automatically along the entire length of the heating tape according to the prevailing ambient temperature. If the ambient temperature rises, the power output of the tape is reduced. This self-limiting property prevents overheating even when the tapes are crossed. Thanks to the parallel design the heating tape can be cut to any required length. This feature considerably simplifies project planning and installation. The heating tape is cut and terminated directly on the construction site according to the circumstances. The heating system must be designed to ensure that the maximum operating temperature of +120 °C will not be exceeded when it is energized. When switched off, the heating tape can be exposed to a temperature of 200 °C for a short time, not more than 1,000 hours cumulated.

http://www.bartec.co.uk/

ML565 | v2 Page 3




Explosion Protection

Ex protection type II 2G Ex e IIC T3 Gb II 2D Ex tb IIIC T195°C Db

Certification SIRA 13ATEX 3312 U IECEx SIR 13.0122 U

Technical Data

Nominal Voltage AC 230 V

BSTWII Capillary Tube Thermostat (Source: http://www.bartec.co.uk/)

Description BSTW II 25-A Ex temperature monitors are two-state controllers in Ex e-certified polyester enclosures. BSTW II can monitor the ambient temperature but also the different surface temperatures. Function Any change in temperature at the sensor bulb causes a change in the volume of fluid in the measuring system, which in turn results in a movement of the diaphragm membrane. This membrane is connected to a mechanical device that activates a microswitch. If the temperature at the sensor bulb exceeds the pre-set value, terminals 1 and 2 are opened. Explosion Protection

Ex protection type II 2G Ex de IIC T6

Certification EPS 11 ATEX 1356X

Technical Data

Protection class IP 65/EN 60529

Storage Temperature -55°C to +50°C

Min. Ambient Temperature -55°C

Min. Sensor Temperature -45°C (Safety cut-out)

Enclosure Sizes 260mm x 160mm x 90mm

Electrical Data

Switching Capacity 25 A

Rated Voltage Max AC 400V 50/60 Hz

Contacts 2 change-over contacts





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Terminals 6 x 6 mm2 + 3 PE Cable Glands 2 x M20

Temperature Ranges

Temperature Setting Range -20 °C to +50 °C

Switching Accuracy

-0 K +5 K

Switching Hysteresis Approx 7% of the scale range

Cold-Applied Technology with brass cable gland explosion protected (Source: http://www.bartec.co.uk/)

Explosion Protection

Ex Protection Type

System: II 2G Ex e IIC T3, Gb II 2D Ex tb IIIC T195°C, Db Cable gland: Ex II 2GD Ex e II Ex tD A21 IP 68

Certification

System: Sira 14 ATEX 3051 X IECEx SIR 14.0023X TC RU C-DE.ГБ06.B.00230 Cable Gland: Sira 01 ATEX 1270 X IECEx SIR 05.0020 X

Ambient Temperature Range

-55°C to +180°C

Ex d Terminal Enclosure Ex d terminal enclosures are certified for use in Hazardous Locations, where the Hazardous Location is

non-mining (i.e. above ground) and where the hazard is caused by flammable gases, vapours or combustible dusts. The enclosure can be located in Zone 1, 2 for gas and / or Zone 21, 22 for dust, or Class I, Division 1, 2 for gas and / or Class II, Division 1, 2 for dust Hazardous Locations. The joint between the lid and the enclosure forms a threaded flamepath. The following materials are used in the construction of Ex d enclosures. If substances that will adversely affect any of these materials are present in the surrounding environment, please consult EXPO for further guidance.


ML565 | v2 Page 5




Materials of external construction: Stainless Steel Brass Aluminium ( Ex d / Xp enclosure contains <1% magnesium)

Ex d Terminal Enclosure Type GUB* Data

Certification CESI 01 ATEX 035

Ex protection type II 2G Ex d IIC T5 -50°C to +55°C

Rated Voltage Max 400 Vac 50/60 Hz

HAWKE Ex e Terminal Enclosure Type PL6* Increased Safety terminal enclosure certified for use in Hazardous Areas.

Terminal Enclosure Type PL6* Data

Certification BASEEFA 06 ATEX 0117 X

Ex protection type II 2G Ex e IIC Gb T5 -50°C to +60°C

Rated Voltage Max Dissipated Wattage 8.5 W WDU2.5 – 550V – 17A WDU4 – 630V – 22A

STAHL Pilot Lamp (Control Device System) Type 8040/1198X Ex e lightweight enclosure made of glass fibre reinforced polyester (GRP), containing Ex d e certified LED indicating lamp.

Pilot Lamp (Control Device System) Type 8040/1198X Data

Certification PTB 01 ATEX 1105

Ex protection type II 2G Ex db eb IIC T4 Gb -60°C to +60°C

Enclosure Size 93 mm x 80 mm x 72 mm

Technical Data Rated voltage: up to 240 V Power input for pilot lamp max 1.5 W




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Installation Section 3.Installation

• Mount the purge system as shown on the Hook-Up drawing. • Always ensure all piping is clean and free of dirt & debris prior to connection to the purge system or

enclosure.

The system shall be installed in accordance with relevant standards, such as IEC / EN 60079-14, and any local codes of practice that are in force.

Air Supply Prior to connecting the air supply to the purge system, flush the supply pipe work with air to remove any debris that may have been introduced into the pipe work during installation. At least 10 seconds for every meter length of supply pipe.

Serial Number The serial number for the unit can be found at the top left corner of the front panel.

Power Supplies and their Isolation Single phase, 210V to 250V supply to the Air Heater is provided by the customer to the Ex d Terminal enclosure via M25 Ex d glanded entry. The supply connection is to be protected by a 32A Type C characteristic circuit breaker, with a means of isolation.

Provision of Alarm Signal When the output temperature falls below a pre-determined set point an alarm signal is removed, i.e. absence of the signal indicates a Low Temperature Alarm condition. There are volt free (dry) contacts available within the Ex e Terminal Box for remote usage.

ML565 | v2 Page 7




Commissioning Section 4.Initial Commissioning

• Check that the system has been installed in accordance with Expo Instructions. • Disconnect the pipe from the inlet to the Air Heater and blow clean air through it for at least 10

seconds per meter of length to remove any debris, oil and condensation.

Setting Thermostats The system activation and low temperature alarm thermostats can be set to user requirements. To access the thermostats remove the thermostat access panel as shown in drawing AGM-GM00-465. The switching temperature is set by turning the indicator with a small flat head screwdriver. The System activation thermostat is indicated by a blue dot. The low temperature alarm thermostat is indicated by a green dot.

Commissioning Proceed as follows: • Connect the air inlet pipe to the Air Heater. • Disconnect the pipe from the air outlet and pass air through the Air Heater for 60 seconds. • Reconnect the outlet pipe and check all air connections are fitted correctly with no obstructions. • Close the Air Heater isolation valve. • Energise the power supply to the air heater. • Allow 30 minutes for the trace heating to reach operating temperature. • Open the isolation valve.

Normal Operation Once commissioned the Air Heater will energise automatically when required, there is no manual override switch provided with the system.




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Drawings and Diagrams Section 5.Title Drawing Number Number of Sheets

6.4 KW Air Heater General Assy AGM-GM00-465 2

6.4 KW Air Heater Terminal Diagram

SD8301 1

Connection Diagram for AGM-GM00-465

SD8323 2

Approval Documents Section 6.

Equipment Approval Authority Certificate Number HTSB Heating System Sira 14 ATEX 3051 X IECEx SIR 14.0023X HTSB self-limiting parallel heating cable

Sira 13ATEX3312U

IECEx SIR 13.0122U Cable Glands Sira 01 ATEX 1270X & 09 ATEX 1221 X IECEx SIR 07.0096X TC TC RU C-DE.ГБ06.B.00230 BSTWII Capillary Tube Thermostat EPS 11 ATEX 1356 X TC TC RU C-DE.GB06.B.00399 Ex e Terminal Enclosure Baseefa 06 ATEX0117X IECEx BAS06.0028X Ex d Terminal Enclosure CESI 01 ATEX 035 IECEx CES 16.0000 TC TC RU C-IT.AA 87.B.00 211

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TRACE H

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TRACE H

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14

13

RLY2

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14

13

RLY3

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14

13

56

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33

34

31

32

29

30

RLY4

59

812

14

13

#3

#4

#5

#6

#7

#8

#9

#10

#11

#12

#13

#14

#15

#16 #17

#2

#1

#1

#2

#5

#6

#6

#6

#7

#8

#10

#12

#14

#16

#9

#15#13

#11

#17

D + -

IND

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TRACE HEATER NO. 2

TRACE HEATER NO. 3

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FS2 32A

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TRACE HEATER NO. 5

RLY2

RLY3

L1

24

L2

12

14

RLY4

5 9

L

N

VO

LT F

REE

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NTACTS

13 14

1413

1413

1413

59

9 5

9 5

12 8

12 8

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LE

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EN

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mun

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n c

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ch

no

log

ies L

imite

d,

ne

ith

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are

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y t

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d in a

ny w

ay a

gain

st o

ur

inte

rests

.

NO

DE

C P

LA

CE

±0

.5

1 D

EC

PL

AC

E ±

0.2

2 D

EC

PL

AC

E ±

0.1

SIM

PLIFIED

CIRCU

IT D

IAG

RAM

Expo Technologies USAExpo Technologies Inc.

9140 Ravenna Road Unit #3Twinsburg,

OH 440878, USAT: +1 440 247 5314F: +1 330 487 0611


Expo Technologies UKExpo Technologies Ltd.

Unit 2 The Summit, Hanworth RoadSunbury-On-Thames,

TW16 5DB, UKT: +44 20 8398 8011F: +44 20 8398 8014


Expo Technologies ChinaQingdao Expo M&E Technologies Co. Ltd

329 Huashan Er LuJimo City, Qingdao,

266200 ChinaT: +86 532 8906 9858F: +86 532 8906 9858


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