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8 Troubleshooting

47

K-415 Operation Manual, Version B

8

Troubleshooting

This chapter helps to resume operation after a minor problem has occurred with the instrument. It lists
possible occurrences, their probable cause and suggests how to remedy the problem.
The troubleshooting table below lists possible malfunctions and errors of the instrument. The operator
is enabled to correct some of those problems or errors by him/herself. For this, appropriate corrective
measures are listed in the column “Corrective measure”.
The elimination of more complicated malfunctions or errors is usually performed by a BUCHI technical
engineer who has access to the official service manuals. In this case, please refer to your local BUCHI
customer service agent.

8 .1

Malfunctions and their remedy

Table 8-1: General malfunction and their remedy

Malfunction

Possible cause

Corrective measure

K-415 does not work

No mains connection?

Fuses defective?
Mains switch defective?

Check whether the instrument is connected
to the mains.
Replace the defective fuses.
Contact the BUCHI customer service.

No digestion running while instrument is
controlled by digester?

Wait for digestion to start.

Pump does not work

Wiring defective?
Pump defective?

Contact the BUCHI customer service.
Contact the BUCHI customer service.

Cooling water not running

External cooling water source switched
off?

Switch external cooling water source on.

Loss of cooling water

Untight hose connections?

Check hose connections and water control.

Fumes are not exhausted
during digestion (Scrubber
suction capacity too weak)

Suction system leaking?
Hose bent or porous?
Adsorption vessel clogged?

Washing solution dirty?
Adsorbents clogged?
Pump dirty?
Silencer unit clogged?
Overpressure valve dirty?
Cock of TKN receiving vessel open?
Wrong adjustment of bypass valve?

Tighten the hose and glass connections .
Check the hoses.
Check the adsorption vessel and the
contained activated charcoal.
Exchange the washing solution.
Renew the adsorbents.
Clean the pump.
Replace the silencer unit.
Contact the BUCHI customer service.
Close the cock.
Readjust the bypass valve.

Fumes are exhausted
too fast during digestion
(Scrubber suction capacity
too strong)

Suction system clogged?

Adsorbents clogged?
Silencer unit defective?
Wrong adjustment of bypass valve?
Bypass valve defective?

Check all stages and the connected diges-
tion unit as well.
Exchange the adsorbents.
Replace the silencer unit.
Readjust the bypass valve.
Contact the BUCHI customer service.

Unsufficient neutralization

Washing solution used up?
Swirl discs blocked?

Exchange the washing solution.
Clean swirl discs and washing solution.

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Содержание Scrubber K-415

Страница 1: ...Scrubber K 415 Operation Manual 11593505 en ...

Страница 2: ...date 06 2015 Version B BÜCHI Labortechnik AG Meierseggstrasse 40 Postfach CH 9230 Flawil 1 E Mail quality buchi com BUCHI reserves the right to make changes to the manual as deemed necessary in the light of experience espe cially in respect to structure illustrations and technical detail This manual is copyright Information from it may not be reproduced distributed or used for competitive purpos e...

Страница 3: ...er capacity 23 5 Putting into operation 25 5 1 Installation site 25 5 1 1 Anti seismic tie down 26 5 2 General installation procedure for all Scrubber models 26 5 3 Equipping the Scrubber with the condenser unit 28 Read this manual carefully before installing and running your system and note the safety precautions in chapter 2 in particular Store the manual in the immediate vicinity of the instrum...

Страница 4: ...sorption vessel 39 5 12 Filling the reaction stage 39 6 Operation 41 6 1 Typical applications 41 6 2 Operation 42 7 Maintenance 43 7 1 Housing 44 7 2 Glass parts 44 7 3 Hoses hose connectors 44 7 4 Sealing system 44 7 4 1 Cleaning the gaskets 44 7 4 2 Replacing the seals GL 14 connector 44 7 5 Washing insert 45 7 6 Washing solution 46 7 7 Active charcoal 46 7 8 Pump 46 7 9 Hose cooling control con...

Страница 5: ...1 About this manual 4 K 415 Operation Manual Version B ...

Страница 6: ...h Digest System K 437 Operation Manual numbers 96760 96764 Digest Automat K 438 432 Operation Manual numbers 96765 96769 SpeedDigester K 425 K 436 Operation Manual numbers 11593346 15593350 SpeedDigester K 439 Operation Manual numbers 15593351 15593355 WetDigester B 440 Operation Manual numbers 096790 096794 KjelDigester K 446 K 449 Operation Manual numbers 11593546 11593552 11593643 1 2 Abbreviat...

Страница 7: ...2 Safety 6 K 415 Operation Manual Version B ...

Страница 8: ... as the basis for this 2 2 Proper use The instrument has been designed and built for laboratories It serves for the neutralization and adsorption of gases that arise during chemical reactions and syntheses Only gases with known chemical composition may be drawn off 2 3 Improper use Applications not mentioned above are improper Also applications which do not comply with the technical data are consi...

Страница 9: ...ot avoided could result in death or serious injury CAUTION Indicates a hazardous situation which if not avoided may result in minor or moderate injury no NOTICE Indicates possible property damage but no practices related to personal injury property damage only Supplementary safety information symbols may be placed in a rectangular panel on the left to the signal word and the supplementary text see...

Страница 10: ... NOTEs are not related to any kind of hazard or damage see following example NOTE Useful tips for the easy operation of the instrument software 2 5 Product safety The Scrubber K 415 has been designed and built in accordance with current state of the art tech nology at the time of development Safety warnings in this manual as described in section 2 4 serve to make the user alert to and avoid hazard...

Страница 11: ...nor or moderate cuts by sharp edges Do not touch defective or broken glassware with bare hands Do not touch thin metal edges NOTICE Risk of instrument damage by liquids or mechanical shocks Do not spill liquids over the instrument or its components Do not drop the instrument or its components Keep external vibrations away from the instrument 2 5 2 Personal protective equipment Always wear personal...

Страница 12: ...ation of the instrument or its accessories Legal regulations such as local state and federal laws applying to the instrument or its accessories must be strictly followed Duty of maintenance and care The operator is responsible for the proper condition of instrument This includes maintenance service and repair jobs that are performed and on schedule by authorized personnel only Spare parts to be us...

Страница 13: ...3 Technical data 12 K 415 Operation Manual Version B ...

Страница 14: ...elivery according to the order number NOTE For detailed information on the listed products see www buchi com or contact your local dealer 3 1 1 DuoScrub Table 3 1 DuoScrub K 415 Product Order number 230 V 50 60 Hz 114152320 120 V 50 60 Hz 114151220 100 V 50 60 Hz 114151020 3 1 2 TripleScrub Table 3 2 TripleScrub K 415 Product Order number 230 V 50 60 Hz 114152330 120 V 50 60 Hz 114151230 100 V 50 ...

Страница 15: ...11057146 Adapter with sieve for tap 11058398 Multi tool 11058474 Silicone hose 6 9 3 m 048355 Connection cable to digester 030973 3 1 4 QuadScrubECO Table 3 4 QuadScrubECO K 415 Product Order number 230 V 50 60 Hz 114152341 120 V 50 60 Hz 114151241 100 V 50 60 Hz 114151041 Standard accessories Hose for water control 11057146 Adapter with sieve for tap 11058398 Multi tool 11058474 Silicone hose 6 9...

Страница 16: ...836 Operation Manual English 11593505 German 11593506 French 11593507 Italian 11593508 Spanish 11593509 Chinese 11593510 Japanese 11593511 3 1 6 Optional upgrade sets Table 3 6 Optional upgrade sets Product Order number Condensation step 11058460 Reaction step 11058461 TKN set 11057333 Cooling water valve 11058462 Tray for adsorption storage 11057332 Connection cable to digester 030973 IQ OQ Scrub...

Страница 17: ... 5 C to 40 C Altitude up to 2000 m above sea level Humidity maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C Pump suction capacity max 32 L min air System suction capacity adjustable approximately between 50 and 400 mbar below atomspheric pressure Overvoltage category II Pollution degree 2 Noise level 70 dB 3 3 Materials and Approvals Tab...

Страница 18: ...ors Fluka 29238 Fluka purum p a 4 8 mm Fluka 05110 Merck granulated Merck 102518 Table 3 10 Glasswool for adsorption vessel Product Order number Glass wool 033701 Table 3 11 Color indicator for washing solution Product Order number Bromothymol blue Merck Merck 3026 3 5 Information on type plate a Instrument type code b Serial number c Supply voltage range type d Frequency of supply voltage e Nomin...

Страница 19: ...4 Description of function 18 K 415 Operation Manual Version B ...

Страница 20: ...on stage The acid or alkaline gases are washed and neutralized in the neutralization stage The next stage the adsorption stage holds back most of the undesired particles by means of granules of activated charcoal or a universal adsorption granulate It also enables the aerosols to recondensate In the reaction stage that follows specific redox reactions are accomplished The used air is directly lead...

Страница 21: ...ge j Fume exhaust pump Fig 4 2 Functional principle of the Scrubber Condensation stage Condensation of vapors Condensation of water steam prevention of warming or an increase in volume of the washing solution Condensation of the liquids carried along Neutralization stage Neutralization of acid or alkaline gases Adsorption stage Specific adsorptions and retention of particles using granules of acti...

Страница 22: ...f the Scrubber K 415 is designed for digestion units with a maximum of 20 sample tubes Connection examples Connection of up to two SpeedDigesters K 425 6 places each Connection of one SpeedDigester K 436 K 439 12 places Connection of one WetDigester B 440 Connection of one KjelDigester K 446 K 449 20 places ...

Страница 23: ...5 Putting into operation 22 K 415 Operation Manual Version B ...

Страница 24: ... heavy weight of the instrument Lift the instrument carefully and avoid over exertion Do not drop the instrument or its transport box Place the instrument on a stable even and vibration free surface Keep limbs out of crushing zone WARNING Serious chemical burns by corrosives The instrument may only be operated within a fume hood Handle corrosives in well ventilated environments only Always wear pr...

Страница 25: ...nto the provided groove b and fix it with the provided screw c The instument can now be tied to the setup Fig 5 1 Fixing the anti seismic tie down 5 2 General installation procedure for all Scrubber models To commission the Scrubber K 415 proceed as follows Make sure that the silencer a in figure 5 2 is filled with polyester fibres and install it 1 Fig 5 2 The silencer on the rear side of the inst...

Страница 26: ...ove in the housing b and fix it by tightening the screw c After the tray has been attached to the housing of the scrubber the adsorption vessel and the inlet tubing of the neutralization vessel can be stored in the tray while the neutralization vessel is taken away from the instrument Fig 5 3 Fixing the tray for adsorption storage Fig 5 4 Swiveling adsorption vessel and tubing to the tray ...

Страница 27: ...ate Carefully slide the condenser from top into the opening in the housing and fix it on the carrier plate a with the rubber strap c The rubber strap has to be passed through the groove on the back side of the carrier plate to prevent it from sliding up or down and to guarantee a tight positioning of the condenser see arrow in figure 5 6 Make sure the connections of the condenser are pointing back...

Страница 28: ...he Reaction vessel Screw the screw cap c together with the gasket ring b loosely onto the reaction vessel a Insert the introduction tube assembly d Tighten the screw cap c Insert the mounted reaction vessel a from the side to the housing and place it in the groove i on the bottom of the housing the introduction tube assembly d has to protrude from the round opening on top of the housing j Attach t...

Страница 29: ... 415 the cock of the TKN receiving vessel has to be kept closed otherwise the suction performance of the K 415 may not be sufficient to draw off all fumes produced by the digester The cock shall only be opened for a very short time while the receiving vessel is discharged Manual operation 1 Reduce the suction performance to a minimum 2 Open the cock b of the receiving vessel 3 Wait until the recei...

Страница 30: ...oling water supply To swivel the cooling water inlet proceed as follows Loosen the nut on the bottom of the inlet c using the matching end of the provided Multi tool d Swivel the inlet b to the appropriate position Tighten the nut c with the Multi tool d NOTE After swiveling the cooling water inlet to the preferred position make sure the fixing nut c is tight and check all connections and tubing o...

Страница 31: ... establish the hose connections proceed as follows Connect the adsorption vessel c to the bypass valve d using the PTFE hose and secure it with the GL 14 hose connectors at both ends Connect the emission source via a Woulff bottle to the neutralization vessel b and secure all connections with hose clamps 3 2 1 4 5 a Neutralization stage b Inlet for fumes from the emission source c Adsorption vesse...

Страница 32: ...sel a Connect the adsorption vessel b to the bypass valve c Cut off a piece of the provided silicone hose and connect the cooling water source to the cooling water inlet of the condenser g Secure it with a hose clamp Cut off a piece of the provided silicone hose and connect the cooling water outlet of the condenser h to the waste water system 1 2 3 4 5 6 7 8 9 a Neutralization stage b Adsorption v...

Страница 33: ...g water tube of the water control c using the provided adapter with sieve and tighten it see chapter 5 6 Cut off a piece of the provided silicone hose and connect the cooling water outlet d of the water control c to the cooling water inlet i of the condenser Secure both connections with hose clamps Cut off a piece of the provided silicone hose and connect the cooling water outlet j of the condense...

Страница 34: ...e cooling water tube of the water control e using the provided adapter with sieve and tighten it see chapter 5 6 Cut off a piece of the provided silicone hose and connect the cooling water outlet f of the water control e to the cooling water inlet k of the condenser m Secure both connections with a hose clamp Cut off a piece of the provided silicone hose and connect the cooling water outlet l of t...

Страница 35: ... of delivery To start the Scrubber automatically at the same time the digestion process starts connect it to the SpeedDigester K 439 to a Digest System K 437 or to a Digest Automat K 438 K 432 with the optional connection cable NOTE To cut the power in case of an emergency by unplugging the instrument or any other item must not block the mains plug In this case the plug must be able to be pulled o...

Страница 36: ... has a blue color while the neutralized or acidic solution has an orange yellowish color Depending on the application purpose other suitable color indicators should be used 5 9 2 Washing solutions for alkaline vapors and gases Hydrochloric acid max 15 Sulphuric acid max 20 Depending on the area of application it is recommended to use different washing solutions or concen trations The Scrubber K 41...

Страница 37: ... f Take the neutralization vessel with the attached cover away from the instrument Lift or carry the neutralization vessel solely by using the glass handles h of the vessel Remove the cover of the neutralization vessel togehter with the attached swirl discs Carefully pour the prepared washing solution into the neutralization vessel and fill up to the blue wavy optimal filling mark g Reassemble the...

Страница 38: ...ated charcoal should be grainy with a particle size of 2 to 6 mm CAUTION Risk of instrument damage and risk of serious chemical burns by corrosives Never use charcoal in the form of powder or with a particle size below 2 mm otherwise the adsorption vessel will get clogged and as a result the pump will get damaged Fig 5 16 Adsorption vessel with activated charcoal and glass wool 5 12 Filling the re...

Страница 39: ...6 Operation 38 K 415 Operation Manual Version B ...

Страница 40: ... is equipped with cooling water control ECO versions leave the external cooling water supply switched on as well 6 1 Typical applications Table 6 1 Typical applications Gases and vapors Chemical formula Neutralization stage 2 Specific reactions stage 4 Kjeldahl digestions SO2 H2 SO4 saturated soda NaOH 8 10 max 20 Sulfur dioxide SO2 saturated soda NaOH 8 10 max 20 Sulfuryl chloride SO2 Cl2 NaOH 8 ...

Страница 41: ...er The suction performance can be regulated using the bypass valve b To reduce the suction perfomance turn the knob counter clockwise Turning the knob clockwise will close the valve and maximise the suction performance 2 2 Fig 6 1 Operation NOTE For most applications it is recommended to keep the bypass valve completely closed and to work with the maximum available suction performance In case you ...

Страница 42: ...e damaged glass parts immediately Do not touch cracks or bits of broken glass with bare hands NOTICE Risk of housing and instrument damage by liquids and detergents Do not spill liquids over the instrument or parts of it Wipe off any liquids instantly Use ethanol or soapy water as detergent only Table 7 1 Service intervals Part Service intervals See chapter Housing Check and clean once a week 7 1 ...

Страница 43: ...hieve optimum tightness of the system Flush out the hoses at least once a week with water or ethanol For the ECO versions check the cooling water hose for tightness and clean the sieve of the adapter on a regular base 7 4 Sealing system ATTENTION When removing and reinstalling the seals and gaskets make sure not to damage them Always move them perpendicularly to the axis of the glass parts and ens...

Страница 44: ...r 7 5 Washing insert The washing insert must be cleaned from time to time and the lip gasket must be replaced when brittle 1 3 2 2 4 5 6 7 8 a Nut M20 b Swirl disc c Spacer tube d Swirl disc holder e Lip gasket f Cover g O ring 24 x 2 5 h Hose connector adapter M20 GL 14 Fig 7 1 Exploded view of the washing insert To re assemble the washing insert proceed as follows Insert the lip gasket e into th...

Страница 45: ... dispose of the used washing solution according to your laboratory guidelines 7 7 Active charcoal Exchange the active charcoal as soon as it clumps together or white crystals or other residues become visible 7 8 Pump Flush the pump once a week or after hard use To flush the pump proceed as follows Close the bypass valve a completely for maximum suction power Disconnect the suction hose d from the ...

Страница 46: ... for residues and clean it if necessary Check the adapter its sealings and the sieve on a yearly base and replace defective parts 7 11 Power supply fuses 1 2 To replace the power supply fuses proceed as follows Pull out the power supply cable Remove the fuse holder a Replace the defective fuse with a new fuse b of the same type 100 V T2A L 250 V 120 V T2A L 250 V 230 V T1A L 250 V Put the fuse hol...

Страница 47: ...service personnel are allowed to perform repair work on the instrument These persons have a comprehensive technical training and knowledge of possible dangers which might arise from the instrument Addresses of official BUCHI customer service offices are given on the BUCHI website under www buchi com If malfunctions occur on your instrument or you have technical questions or applica tion problems c...

Страница 48: ...p defective Contact the BUCHI customer service Contact the BUCHI customer service Cooling water not running External cooling water source switched off Switch external cooling water source on Loss of cooling water Untight hose connections Check hose connections and water control Fumes are not exhausted during digestion Scrubber suction capacity too weak Suction system leaking Hose bent or porous Ad...

Страница 49: ...9 Shutdown storage transport and disposal 48 K 415 Operation Manual Version B ...

Страница 50: ...erous substances Do not clean dusty parts with compressed air Store the instrument and its accessories at a dry place in its original packaging 9 1 Storage and transport Switch off the instrument and remove the power cord To disassemble the Scrubber K 415 follow the installation instructions in section 5 in reverse order Clean the instrument thoroughly Remove all liquids and dusty residues before ...

Страница 51: ...10 Spare parts 50 K 415 Operation Manual Version B ...

Страница 52: ...nuine BUCHI consumables and genuine spare parts for maintenance and repair to assure good system performance and reliability Any modifications to the spare parts used are only allowed with the prior written permission of the manufacturer 10 1 Spare parts on the exploded instrument view 6 7 30 9 10 11 12 13 14 19 18 20 37 38 39 40 41 42 17 7 43 31 32 33 34 17 7 36 17 7 35 21 22 24 23 25 26 27 28 17...

Страница 53: ...0296 30 7 Connector bent for GL 14 set of four including screw caps 040295 9 Rubber strap 11059813 31 Reaction vessel 1 0 L 037797 10 Condenser S35 11057152 32 Gasket ring 037925 11 Hose condenser washing solution FEP 11057155 33 Screw cap SVL 42 003551 12 Carrier plate for condeser 34 Introduction tube assembly 037778 13 Screws for carrier plate M4x16 35 Hose reaction pump FEP 11057157 14 Catchpo...

Страница 54: ...peration Manual Version B 10 2 Miscellaneous Table 10 2 Miscellaneous Product Order number Set of sealings FPM 10 pieces 040040 Set of screw caps GL 14 10 pieces 041956 Set of screw caps GL 14 and sealings FEP 10 pieces 041999 ...

Страница 55: ...11 Declarations and requirements 54 K 415 Operation Manual Version B ...

Страница 56: ...ul interference in which case the user will be required to correct the interference at his own expense Français Cet appareil a été testé et s est avéré conforme aux limites prévues pour les appareils numériques de classe A et à la partie 15 des réglementations FCC ainsi qu à la réglementation des interférences radio du Canadian Department of Communications Ces limites sont destinées à fournir une ...

Страница 57: ...11 2 Declaration of conformity ...

Страница 58: ...HI Thailand Ltd TH Bangkok 10600 T 66 2 862 08 51 F 66 2 862 08 54 thailand buchi com www buchi co th Nihon BUCHI K K JP Tokyo 110 0008 T 81 3 3821 4777 F 81 3 3821 4555 nihon buchi com www nihon buchi jp BUCHI India Private Ltd IN Mumbai 400 055 T 91 22 667 75400 F 91 22 667 18986 india buchi com www buchi in PT BUCHI Indonesia ID Tangerang 15321 T 62 21 537 62 16 F 62 21 537 62 17 indonesia buch...

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