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O P E R A T I N G I N S T R U C T I O N S

SFU

Gas Sampling Unit

with Weatherproof Enclosure

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Summary of Contents for SFU Series

Page 1: ...O P E R A T I N G I N S T R U C T I O N S SFU Gas Sampling Unit with Weatherproof Enclosure...

Page 2: ...K AG Reproduction of this document or parts of this document is only permissible within the limits of the legal determination of Copyright Law Any modifica tion abridgment or translation of this docum...

Page 3: ...paring the connection bundle 14 4 4 Mounting 15 4 4 1 Installing the welding neck flange 15 4 4 2 Connection of sample gas line 17 4 4 3 Connection of the pneumatic lines 18 4 5 Electrical installatio...

Page 4: ...ical data 35 8 1 Compliances and Standards 35 8 2 Dimensions 35 8 3 Operating data 35 CONTENTS 4 O P E R A T I N G I N S T R U C T I O N S SFU 8023849 14SF V1 1 2019 07 SICK Subject to change without...

Page 5: ...al laws regulations and company policies applicable at the installation location Retain documents These Operating Instructions Must be kept available for reference Must be passed on to new owners Requ...

Page 6: ...situation which could result in severe personal injury or death CAUTION Hazard or unsafe practice which could result in less severe or minor injuries Notice Hazard which could result in property damag...

Page 7: ...Do not use the SFU for measuring explosive or combustible gases 2 2 Warnings on the device Figure 1 Location of the warning signs on the device 1 Warning sign Caution 2 Warning sign Hot surface DANGE...

Page 8: ...rtial stream of a gas mixture usually flue gas from a line stack or similar and for retaining particles that are contained in the gas stream 2 4 Qualification of the operator The SFU may only be maint...

Page 9: ...th the maritime gas sampling unit SFU BF NI GL Name of the pre assembled set Consisting of SFU BF NI GL in IP54 enclosure PN 2098126 SFU BF NI GL IP54 enclosure for SFU Manufacturer SICK AG Erwin Sick...

Page 10: ...g system The flue gas is taken via a gas sampling tube and fed to a measuring system after filtra tion The gas sampling tube is optionally available in various lengths As an option the gas sampling tu...

Page 11: ...housing is insulated by an aluminum housing lined with polyimide The weatherproof enclosure is made of glass fiber reinforced plastic GRP Thermostatic control The gas sampling unit is thermostaticall...

Page 12: ...equipment b Channel sample gas off safely WARNING Hazard through sample gas pressure The stacks can have underpressure or overpressure b Observe information from the plant operator WARNING Risk of bu...

Page 13: ...Disconnect the gas sampling unit from the power supply before opening the enclo sure for example by switching off the measuring system CAUTION Risk of burns on hot surfaces You can perform the work wh...

Page 14: ...connection bundle DNV GL approved connection bundle Power supply Grounding conductor yellow green Signal lines Tube gray Zero gas span gas Tube black Main valve Tube blue Backflush Halogen reduced for...

Page 15: ...ugh hot or toxic gases dusts in the measuring duct The measuring duct can contain hot or toxic gases or dust deposits which can escape when opening the duct side flange Even if the measuring duct is o...

Page 16: ...neck flange must be min the length specified in the following table in order to maintain and dismantle the gas sam pling unit Table 1 Minimum distance behind welding neck flange Length of gas samplin...

Page 17: ...enclosure cover see Weatherproof enclosure page 13 2 Unscrew the large cap nut and slide it onto the sample gas line 3 Unscrew the insulation half shell 4 Feed the sample gas line through the large c...

Page 18: ...he installation plate 3 Connect the 3 hoses with the 3 hose fittings on the filter housing and ensure cor rect layout 4 Push the hoses flush over the hose connections of the hose fitting 5 Hose for th...

Page 19: ...1 4 turn 4 5 Electrical installation WARNING Danger to life by electric voltage b Only allow an authorized electrician to work on the electric system WARNING Risk of short circuit due to condensate b...

Page 20: ...supplied pre assembled Installing the pre filter The pre filter can be screwed to the gas sampling tube 1 Wrap the thread with Teflon tape 2 Screw the pre filter onto the tip of the gas sampling tube...

Page 21: ...g e g heat resistant gloves 1 Push the seal over the gas sampling tube 2 Push the gas sampling unit with probe tube into the welding neck flange The hose outputs of the gas sampling unit have to point...

Page 22: ...uipment b Channel sample gas off safely WARNING Hazard through sample gas pressure The stacks can have underpressure or overpressure b Observe information from the plant operator WARNING Risk of burns...

Page 23: ...pare parts can be found in the individual System Description provided with the gas sampling unit 5 4 Replacing the sintered metal filter element You can perform the work while the filter element is ho...

Page 24: ...nt 1 Loosen the rotary handle counterclockwise 1 Rotary handle 2 Mounting bracket 3 Pressure disk covered 2 Swing the mounting bracket to the right WARNING Risk of burns on hot surfaces The inner part...

Page 25: ...Replace O ring and flat seal of the filter cover 1 O ring 2 Flat seal 9 Insert new or cleaned filter element If one side of the filter element has a groove The groove must point in the direc tion of...

Page 26: ...can have an internal temperature of 185 C WARNING Risk of burns on hot surfaces The filter element can reach high temperatures in operation b Wear suitable gloves b Provide a heat resistant support WA...

Page 27: ...Risk of injury due to high weight b Do not drop the filter cover 1 Filter housing 2 Filter cover 3 Mounting bracket 4 Pressure disk 3 Pull out the filter cover with glass fiber filter element using t...

Page 28: ...ter element on the filter cover Tighten the spiral thread If one side of the filter element has a groove The groove must point in the direc tion of the filter cover 10 Replace the filter cover 1 Rotar...

Page 29: ...evant safety regulations b Dispose of the filter elements in an environmentally compatible manner Procedure 1 Switch off the fuse of the gas sampling unit in the measuring system The position of the f...

Page 30: ...jury due to high weight b Do not drop the filter cover 3 Pull the filter cover out using the rotary handle 4 If the filter cover is hot Place the filter cover on a heat resistant mat 5 Remove the sint...

Page 31: ...e glass fiber filter element has a groove The groove must point in the direction of the filter cover 1 O ring 2 Glass fiber filter element 3 Rotary handle 10 Replace the filter cover 11 Swing back the...

Page 32: ...ngs for tight seat Check gas sampling unit for cleanness dryness and freedom from corrosion Check all electric connections for freedom from corrosion and tight seat Check grounding conductors are free...

Page 33: ...fective seal Replace seal Contaminated or corroded gas paths Defective or missing pre filter Replace Leaky non return valves Contaminated instrument air Replace Check the purity of the instru ment air...

Page 34: ...s contact can contain toxic substances Observe the relevant safety regulations b Depending on their components filters and lines with sample gas contact must be disposed of according to the legal regu...

Page 35: ...tion and Construction Part VI Additional Rules and Guidelines Chapter 7 Guidelines for the Performance of Type Approvals Test Requirements for Electrical Electronic Equipment and Systems 2012 8 2 Dime...

Page 36: ...Tension locks Stainless steel EPDM silicone Weight Approx 30 kg SFU in IP54 enclosure with flange and gas sampling tube Gas temperature in sampling system Max 250 C 482 F Gas temperature in stack Unhe...

Page 37: ...TECHNICAL DATA 8 8023849 14SF V1 1 2019 07 SICK O P E R A T I N G I N S T R U C T I O N S SFU 37 Subject to change without notice...

Page 38: ...80 7425 E Mail enquiry my sick com Mexico Phone 52 472 748 9451 E Mail mexico sick com Netherlands Phone 31 0 30 229 25 44 E Mail info sick nl New Zealand Phone 64 9 415 0459 0800 222 278 tollfree E M...

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