AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 2 Thursday, May 28, 2009 6:00 PM CONTENTS OPTIFLEX 4300 C 1 General safety information 1.1 1.2 1.3 1.4 1.5 4 Scope of the document..................................................................................................... 4 Device description ............................................................................................................ 4 Standards and approvals............................................................
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 3 Thursday, May 28, 2009 6:00 PM CONTENTS OPTIFLEX 4300 C 7 Notes 02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en 26 www.krohne.
General safety information AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 4 Thursday, May 28, 2009 6:00 PM 1 GENERAL SAFETY INFORMATION OPTIFLEX 4300 C 1.1 Scope of the document These instructions are applicable only to the explosion-protection version of the TDR level transmitter. For all other data, use the Quick Start and other chapters of the Handbook. If you do not have these documents, please contact the nearest office or download them from the manufacturer's internet site.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 5 Thursday, May 28, 2009 6:00 PM OPTIFLEX 4300 C GENERAL SAFETY INFORMATION 1 1.4 Device categories This device is suitable for use in potentially explosive atmospheres of all flammable substances in Gas Groups IIA, IIB and IIC. It is certified for applications requiring Category 1 G (gases, vapours or mists), 1 D (dust), 1/2 G, 1/2 D, 2 G or 2 D equipment when fitted with the appropriate Ex ia options.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 6 Thursday, May 28, 2009 6:00 PM 1 GENERAL SAFETY INFORMATION OPTIFLEX 4300 C Figure 1-2: Ex ia nameplate (device with external sensor) Figure 1-3: Ex d[ia] nameplate 1 ATEX certification agency code. Refer also to temperature classes.
Installation AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 7 Thursday, May 28, 2009 6:00 PM INSTALLATION 2 OPTIFLEX 4300 C 2.1 Precautions 2.1.1 General notes WARNING! When you install the device, obey the conditions in the EC-Type Examination certificate. These conditions include: • The special conditions for safe use. • The Essential Health and Safety Requirements. DANGER! This installation must agree with EN 60079-14: Electrical installations in hazardous areas. 2.1.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 8 Thursday, May 28, 2009 6:00 PM 2 INSTALLATION OPTIFLEX 4300 C Figure 2-2: Risk of ESD: sun cover and remote housing conduit 1 Sun cover 2 Conduit of the remote housing option WARNING! FEP-coated single cable probes are for Gas group IIB only. 2.1.3 Special conditions WARNING! Aluminium housing: Possible source of ignition in a potentially explosive atmosphere. The housing is made of either aluminium alloy or stainless steel.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 11 Thursday, May 28, 2009 6:00 PM INSTALLATION 2 OPTIFLEX 4300 C 2.2.2 Maximum surface temperature of the housing Equipment category II 1 D, II 1/2 D, and II 2 D Max. ambient temperature Ø2 mm/Ø0.08¨ single cable probe (HT version) [°C] Ø2 mm/Ø0.08¨ single cable probe (other versions) [°F] [°C] [°F] Max. flange temperature All other probes [°C] [°C] [°F] Max.
Electrical connections AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 12 Thursday, May 28, 2009 6:00 PM 3 ELECTRICAL CONNECTIONS OPTIFLEX 4300 C 3.1 General notes WARNING! • De-energize the circuit. • Use the applicable cable glands for the cable entry openings in the housing (Aluminium housing: M26 x 1.5, M20 x 1.5, ½NPT or G½; Stainless steel housing: M25 x 1.5, M20 x 1.5, ½NPT or G½). For the cable entry size, refer to the device nameplate.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 13 Thursday, May 28, 2009 6:00 PM ELECTRICAL CONNECTIONS 3 OPTIFLEX 4300 C 3.2.2 How to close the terminal compartment WARNING! Ex d [ia] applications: obey the instructions that follow: • Attach the terminal compartment cover 2. i Turn the terminal compartment cover carefully to prevent damage to the thread and the gasket. • Make sure that the terminal compartment cover is tight. • Attach the cover stop 1. i Use a 3 mm allen wrench.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 14 Thursday, May 28, 2009 6:00 PM 3 ELECTRICAL CONNECTIONS OPTIFLEX 4300 C 3.5.2 Maximum intrinsically-safe values for the electrical circuit Level transmitter without external sensor (output terminal 1 or 2) • Ui ≤30 V • Ii ≤300 mA • Pi ≤1 W • Ci =30 nF • Li =0.2 mH Level transmitter with external sensor: output terminal 1 • Ui ≤30 V • Ii ≤300 mA • Pi ≤1 W • Ci =30 nF • Li =0.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 15 Thursday, May 28, 2009 6:00 PM ELECTRICAL CONNECTIONS 3 OPTIFLEX 4300 C 3.5.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 16 Thursday, May 28, 2009 6:00 PM 3 ELECTRICAL CONNECTIONS OPTIFLEX 4300 C Figure 3-4: Compartments in Ex d [ia]-approved equipment 1 Electronics block (Ex ia) compartment 2 Terminal (Ex d) compartment INFORMATION! If you must open the electronics block compartment and remove the electronics blocks for servicing, it is not necessary to disconnect the wires in the Ex d compartment.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 17 Thursday, May 28, 2009 6:00 PM ELECTRICAL CONNECTIONS 3 OPTIFLEX 4300 C 3.6.3 Supply voltage Current output terminal Minimum voltage at output terminal [VDC] Maximum voltage at output terminal [VDC] 1 (US1) 20 1 36 1 2 (US2) 2 10 1 30 1 1 for a current output of 22 mA 2 use a second power supply. This power supply energizes current output terminal 2 only. 3.6.
Start-up AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 18 Thursday, May 28, 2009 6:00 PM 4 START-UP OPTIFLEX 4300 C WARNING! Make sure that it is safe to supply electrical power.
Service AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 19 Thursday, May 28, 2009 6:00 PM SERVICE 5 OPTIFLEX 4300 C 5.1 Periodic maintenance No maintenance is necessary. 5.2 Keep the device clean WARNING! Do not let more than 5 mm / 0.2¨ of dust collect on the top of the device. This is a possible source of ignition in a potentially explosive atmosphere. DANGER! Risk of electrostatic discharge from the plastic sun cover and the conduit of the remote housing option.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 20 Thursday, May 28, 2009 6:00 PM 5 SERVICE OPTIFLEX 4300 C 5.3.2 Form (for copying) to accompany a returned device Company: Address: Department: Name: Tel. no.: Fax no.: Manufacturer's order no. or serial no.: The device has been operated with the following medium: This medium is: water-hazardous toxic caustic flammable We checked that all cavities in the device are free from such substances.
Approval certificate AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 21 Thursday, May 28, 2009 6:00 PM APPROVAL CERTIFICATE 6 OPTIFLEX 4300 C Figure 6-1: ATEX certificate, page 1 of 5 02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en www.krohne.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 22 Thursday, May 28, 2009 6:00 PM 6 APPROVAL CERTIFICATE OPTIFLEX 4300 C Figure 6-2: ATEX certificate, page 2 of 5 22 www.krohne.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 23 Thursday, May 28, 2009 6:00 PM APPROVAL CERTIFICATE 6 OPTIFLEX 4300 C Figure 6-3: ATEX certificate, page 3 of 5 02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en www.krohne.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 24 Thursday, May 28, 2009 6:00 PM 6 APPROVAL CERTIFICATE OPTIFLEX 4300 C Figure 6-4: ATEX certificate, page 4 of 5 24 www.krohne.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 25 Thursday, May 28, 2009 6:00 PM APPROVAL CERTIFICATE 6 OPTIFLEX 4300 C Figure 6-5: ATEX certificate, page 5 of 5 02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en www.krohne.
Notes AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 26 Thursday, May 28, 2009 6:00 PM 7 NOTES 26 OPTIFLEX 4300 C www.krohne.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 27 Thursday, May 28, 2009 6:00 PM NOTES 7 OPTIFLEX 4300 C 02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en www.krohne.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 28 Thursday, May 28, 2009 6:00 PM © KROHNE 02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en - Subject to change without notice.