BRONKHORST F-112AX Instruction Manual Download Page 1

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Instruction manual

Explosion proof

Flow Measurement and control

ATEX

Doc. no.: 9.17.028U Date: 25-06-2020

ATTENTION

Please read this instruction manual carefully before installing and operating the instrument.

Not following the guidelines could result in personal injury and/or damage to the equipment.

Related drawing.
No modifications permitted without
approval of the authorised person

Summary of Contents for F-112AX

Page 1: ... 25 06 2020 ATTENTION Please read this instruction manual carefully before installing and operating the instrument Not following the guidelines could result in personal injury and or damage to the equipment Related drawing No modifications permitted without approval of the authorised person ...

Page 2: ...BRONKHORST ...

Page 3: ...is period may be repaired or replaced at no charge Repairs are normally warranted for one year or the balance of the original warranty whichever is the longer See also paragraph 9 of the Conditions of Sales The warranty includes all initial and latent defects random failures and indeterminable internal causes It excludes failures and damage caused by the customer such as contamination improper ele...

Page 4: ... to assure a clean moisture and oil free gas stream Install the Meter Controller in the line and tighten the fittings according to the instructions of the supplier of the fittings Choose the mounting position according to the directions given in this manual Check the system for leaks before applying fluid pressure Electrical connections must be made with a standard cable or according to the hook u...

Page 5: ...iping page 13 2 8 Electrical connections page 13 2 9 Caution page 13 2 10 Supply pressure page 14 2 11 System purging page 14 2 12 Seals page 14 2 13 Equipment storage page 14 3 Operation 3 1 General page 15 3 2 Power and warm up page 15 3 3 Start up page 15 3 4 Operating conditions page 15 4 Cables 4 1 Introduction page 16 4 2 Cable for Bronkhorst flowhead page 16 4 3 Control system with XC coil ...

Page 6: ...BRONKHORST Appendices 1 Enclosures ...

Page 7: ...ple Acetylene and Hydrogen T4 surface temperature max 135 C Gb IEC equipment protection level There is one gas which has a more dangerous temperature class CS2 has temperature class T5 This gas may not be measured with our meters STANDARDS The electrical apparatus and any acceptable variations to it specified in the schedule of this certificate and the identified documents was found to comply with...

Page 8: ...st be avoided The following models can be distinguished Solenoid valve This is considered to be the standard direct operated control valve In general it is a normally closed solenoid valve The plunger is lifted by the force of the magnetic field of the coil The orifice under the plunger is removable for optimising the orifice diameter Also a normally opened solenoid valve is available Vary P valve...

Page 9: ...Intrinsic safe coil with LCIE approval This coil must be safeguarded with a isolating repeater 1 5 2 Style XC coil Manufacturer Parker Lucifer Type 483371 24Vdc Type of protection II 2 G Ex eb IIC T4 II 2 D Ex tb IIIC T130 C Certificate no LCIE 02 ATEX 6011 X Housing metal housing IP 67 Max supply voltage 24Vdc Class of insulation F 155 C Max power DC 8 Watt hot 9 Watt cold 20 C Connecting couplin...

Page 10: ... T6 II 1 D Ex ta IIIC T80 C Certificate no LCIE 02 ATEX 6024 X Housing polyamid with fiberglass housing IP 66 Max supply voltage 28 V 110mA Max power DC 3 Watt Coil resistance 295 Ω 20 C Impedance 345 Ω Apparent inductance 0 mH Apparent capacitance 0 µF Connecting coupling Cable gland M20x1 5 Ambient temperature 40 C to 65 C ...

Page 11: ...s fluids have been metered with the instrument This to enable the factory to take sufficient precautionary measures to safe guard the staff in their repair department Take proper care of packing if possible use the original packing box seal instrument in plastic etc All instruments must be dispatched with a completely filled in declaration on contamination form Instruments without this declaration...

Page 12: ...can occur a downstream filter is recommended too Be aware of the pressure drop caused by the filter On the inlet of some instruments a screen is placed to prevent foreign matter from entering the instrument and to maintain a good flow pattern This device cannot be seen as a filter element Contact your distributor for further information 2 6 Gas connections Bronkhorst series mass flow meters contro...

Page 13: ... min 2 8 Electrical connections Bronkhorst recommends to use standard cables which have been tested together with the appropriate flow meter controller These cables have the right connector and if loose ends are used these will be marked to prevent wrong connection The documentation can be downloaded from www bronkhorst com downloads To comply with the IP classification it is necessary to follow t...

Page 14: ... moist air Complete purging is also required to remove such gases from the system before exposing the system to air It is preferred not to expose the system to air when working with these corrosive gases 2 12 Seals Bronkhorst has gathered a material compatibility chart from a number of sources believed to be reliable However it is a general guide only Operating conditions may substantially change ...

Page 15: ...tes to warm up and stabilize During warm up period gas pressure may either be on or off 3 3 Start up Be sure your tubing is absolutely clean free of dust moisture etc and your gas is cleaned by an adequate filter Turn on fluid supply gently Avoid pressure shocks and bring the instrument gradually up to the level of the actual operating conditions Also switch off fluid supply gently 3 4 Operating c...

Page 16: ...measurement 4 3 Control system with XC coil Bronkhorst uses two wire Lapp Unitronic LiYCY shielded cable When using Bronkhorst Readout unit E 7000 series and cables the maximum cable length is 30 meter When using Bronkhorst Readout unit E 8000 series and cables the maximum cable length is 150 meter When using a non Bronkhorst Readout unit and cables the total system should comply with the Ex speci...

Page 17: ... of the used connector or cable gland of the readout unit Readout units with its intrinsic safe isolating repeaters should be situated outside zone 2 4 5 1 Cable gland assembly Bronkhorst flowhead Do not connect the cable shield to the Bronkhorst flowhead See included hook up diagram 4 5 2 Cable gland assembly XC coil For assembling the cable to the coil follow the instructions of the manufacturer...

Page 18: ...aintenance is required to be performed on the meters or controllers Units may be flushed with clean dry inert gas For further information contact supplier or factory 5 2 Calibration All flow meters are factory calibrated For re calibration or re ranging contact supplier or factory ...

Page 19: ...tory Screen in inlet fitting blocked 1f return to factory Sensor capillary failure 1g return to factory Maximum output signal Output stage blown up 2a return to factory Sensor capillary failure 2b return to factory Output signal much lower than setpoint signal or desired flow Screen blocked contamined 3a return to factory LFD blocked contaminated and or liquid in meter 3b return to factory Valve b...

Page 20: ...BRONKHORST page 20 9 17 028 ...

Page 21: ...ion of essential safety instructions enclosed by order and available on Documentation software tool CD EC Type Examination certificate Product Quality Assurance Notification Manual XB coil Manual XC coil EC Type Examination certificate XB coil EC Type Examination certificate XC coil Also available on the Documentation software tool CD Enclosed on Documentation software tool CD ...

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