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2. Cleaning device

If strongly adhesive contamination is present in the air, the installation of an automatic cleaning apparatus may
be sensible. Usually, blowing out with compressed air is sufficient.

Cleaning with high-pressure warm water is necessary only with tenacious viscous and greasy contamination.
Please note that the residual water is to be blown out of the rotor following cleaning.
For water purification, a compressed air nozzle is therefore always required.

Compressed air cleaning

High-pressure warm water cleaning

Exhaust air

Air

Air

Water

Air

Water

Air

Exhaust air

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Summary of Contents for AS2

Page 1: ...ry Heat Exchangers E N E R G Y R E C O V E R Y 1 Cleaning Options 2 Cleaning Device 3 Cleaning Sensors 4 AS2 Cleaning Control System 5 Menu navigation 6 Troubleshooting 7 Technical Data Page 2 Page 3 Page 6 Page 10 Page 16 Page 23 Page 25 ...

Page 2: ...ssary for viscous greasy and coarse contamination As the self clea ning effect occurs only when the rotor is rotating idle rotors tend to become contaminated A cleaning cycle circuit offers a remedy here The rotor mass is periodically rotated further in order to prevent one sided accumulation This cleaning run cycle also described as interval mode is integrated in the rotor control system see cont...

Page 3: ... sufficient Cleaning with high pressure warm water is necessary only with tenacious viscous and greasy contamination Please note that the residual water is to be blown out of the rotor following cleaning For water purification a compressed air nozzle is therefore always required Compressed air cleaning High pressure warm water cleaning Exhaust air Air Air Water Air Water Air Exhaust air ...

Page 4: ... the rotor speed A slide travels on a track over the radius of the rotor The cleaning nozzles for compressed air and possibly for water depending on requirements are installed here Pulse sensor for rotor speed is located in the rotor casing Rotor circumference sensor Rotor centre sensor A B C C C B B 2 5 4 3 1 A A Sensors are installed on the inside of the cleaning track A 1 AS2 drive motor 2 Nozz...

Page 5: ...is operating the nozzle slide continuously travels to the centre of the rotor When the sensor reaches the centre the air and possibly water cleaning begins A relay output for warm water and a compressed air valve are available When the carriage reaches the periphery of the rotor the water valve relay falls and the rotor is dried with compressed air during the return movement On reaching the centre...

Page 6: ...onnect wire colours blue brown black Usage Rotors Sorption wheel Pulse sensor cleaning device Klingenburg Secatec Connection to controller KR4 7 KR15 and Premium KS 4 7 15 Clamp 4 blue Clamp 5 brown Clamp 6 black Clamp 6 blue Clamp 7 brown Clamp 8 black Clamp 4 blue Clamp 5 brown Clamp 6 black to cleaning device AS2 Ub brown Sensor Pulse Tkt black GND blue ...

Page 7: ...ce 7 mm Connect wire colours gr yel grey brown black Usage Rotor End position switch slide pulse sensor cleaning device Steute Connection to controller KR4 7 KR15 Premium KS 4 7 15 Clamp 5 brown Clamp 6 black Clamp 7 brown Clamp 8 black Clamp 5 brown Clamp 6 black to cleaning device AS2 Ub brown Sensor centre Mit black Sensor circumference black Sensor pulse Tkt black ...

Page 8: ...onnect wire colours blue brown black Usage Cleaning device standard Schmersal Connection to controller KR4 7 KR15 and Premium KS 4 7 15 clamp 4 blue clamp 5 brown clamp 6 black clamp 6 blue clamp 7 brown clamp 8 black clamp 4 blue clamp 5 brown clamp 6 black to cleaning device AS2 Ub brown Sensor centre Mit black Sensor circumference Umf black GND blue ...

Page 9: ...ire colours blue brown black Usage ATEX cleaning decice Rotors Pepperl Fuchs Connection to controller KR4 7 KR 15 and Premium KS 4 7 15 clamp 4 blue clamp 5 brown clamp 6 black clamp 6 blue clamp 7 brown clamp 8 black clamp 4 blue clamp 5 brown clamp 6 black to cleaning device AS2 Ub brown sensor centre Mit black sensor circumference Umf black sensor pulse Tkt black GND blue ...

Page 10: ...ctional characteristics Processor controlled monitoring of the cleaning sequence Coloured display Detailed error messages Menu navigation Cleaning takes place from the inside to the outside the contaminated water runs towards the outside ...

Page 11: ...ile cleaning The relays switch on the solenoid valves for air and water Due to the rotation of the rotor the clock sensor receives the first pulse and the carriage is driven towards the periphery The carriage should advance by no more than one nozzle width otherwise the cleaning will not be so effective This procedure is repeated until the cleaning carriage reaches the periphery of the sensor The ...

Page 12: ...ozzle supports Pneumatic nozzle including hose connections ca 5 m pneumatic hose 3 2 way pneumatic valve 230 Volt nominal flow 9 6 m3 h including hose connections Sensors three pre mounted Three phase motor 400 Volt Cleaning mechanism with high pressure hot water cleaning with high pressure nozzle pipe 150 170 bar at 750 900 l h external diameter of the nozzle pipe 12 mm with screw threads for con...

Page 13: ...leaning procedure Selection Enter Selection Reset Start Stop With the three buttons during commissioning the cleaning procedure can be started stopped and driven to the start position Button description for menu navigation P a r k i n g p o s i t i o n S t a n d b y ...

Page 14: ... 2 mm away from the sensors This requires adjusting the clamping block at the end of the rail to loosen the toothed belt After setting the position switches position the cleaning carriage in its centre position and tension the toothed belt again For the correct connection of the centre and peripheral sensors an LED in the AS 2 control system lights up over the respective terminals on contact Conne...

Page 15: ...ng the cleaning procedure execute a so called teach in run with the AS 2 control system see Section 5 Menu navigation on page 16 During the teach in run the cleaning carriage travels without media at maximum wheel speed over the entire cleaning procedure and counts the pulses during cleaning and during dry travel and stores these internally with 5 safety margin as limit values This procedure serve...

Page 16: ...menu it is necessary to stop the process One then starts the reset travel and immediately stops it again with the Stop button The display shows Hold down the Stop button and press the Reset and Enter buttons to return to the menu Layout of Menu Language Set Clock Startingtimes Calibration Runtime p Clock R RPM Linit Tresholds Drying Cycles Limits Menuend Navigate with the right button right step w...

Page 17: ...nfirm the entry with the Enter button The display then jumps to the next menu item Clock setting The time is only required if start times are to be programmed see next menu item Select using and confirms the entry and the display jumps to the next selection Sequence Week day Mon Tue Wed Thu Fri Sat Sun Hour setting Minute setting L a n g u a g e E n g l i s h d a y h o u r m i n S e t c l o c k M ...

Page 18: ...ling the cleaning procedure execute the teach in run Pressing takes you to the following setting options After setting the teach in run program the start of the AS2 It is immaterial where the nozzle carriage is positi oned as the initial movement is the reset travel Following the teach in run the AS2 automatically switches to normal operation followed by Confirm the entry with the Enter button The...

Page 19: ...cleaning tracks 1 5m due to the variable speed the rotor only turns very slowly as cleaning progresses so that cleaning takes a very long time 3 5 hours This can be avoided by setting a minimum rotor speed limit using this menu item Adjustment range from 10 50 in relation to the control signal in Volts e g 30 3 Volt control signal That corresponds to about 3 rpm at normal rotor speeds 10 rpm Press...

Page 20: ...ons hot cold Caution The greater the safety margin the later the switch off in the event of a fault With very long cleaning distances 2m the 5 setting can lead to premature switch off After entering the threshold and confirming it with you are then taken to the next menu item Drying cycles T o l e r a n c e l i m i t l i m i t s 1 0 T o l e r a n c e D r y i n g c y c l e s t u r n s c l o c k 0 1...

Page 21: ...ng will take longer with this function Tresholds A summary of the thresholds set is once again displayed here To complete the parameters only the values now need to be stored Press the Enter button to accept the settings entered Pressing one of the selection buttons rejects the settings The previous values then remain active H x x x x R x x x x T r e s h o l d s H R S t o r e d a t a D a t a s t o...

Page 22: ... Cleaning with air and water Drying with only compressed air s x x x x M o v i n g t o m i d d l e D r y i n g s x x x x W a i t f T r i g g e r D r y i n g s x x x x R u n i n g b a c k w a r d during pulse C l e a n i n g s x x x x R u n n i n g f o r w a r d C l e a n i n g s x x x x W a i t f T r i g g e r bei Takt ...

Page 23: ...reset to the start position using the keyboard Once this has been done it is ready to start cleaning again If any one of these errors occurs the relevant sensors are to be checked If there is a motor fault the following appears E r r o r M o v i n g t o r e s e t s x x x x T e s t c i r c u m f s e n E r r o r T e s t m i d d l e s e n s E r r o r E r r o r T a k t s e n s d e f e c t M o t o r t ...

Page 24: ...eaning an error message is generated when the power is switched back on This can be reset in one of two ways The error message is acknowledged by setting the start command again and the cleaning slide automatically resets to the start position When this has been done cleaning can be restarted By pressing the 3 button combination under the display It must then be reset to the start position using t...

Page 25: ...25 7 Technical data Dimensions of cleaning device AS2 ...

Page 26: ... Control Mains voltage 380 420 Volt 3Ph N PE 50 60 Hz Ambient temperature 10 C to 40 C Place of installation When installing the equipment ensure that the floor is free of shaking and vibrations IP code IP 54 Relay contact Floating changeover contact load capacity 250 V AC 1 A Weight 3000g Dimensions L 265 mm W 232 mm H 128 mm ...

Page 27: ...27 Maintenance notices e g V belts re tensioned on ...

Page 28: ...tive conductor Sensor middle brown black blue Sensor extend brown black blue Thermal contact for ATEX arrange ment external starting contact setpoint value 0 10V Output controller Sensor cycle brown black blue Error Air in operation Water external setpoint value 0 10 Volt By installation with ex protection from the company STEUTE only brown and black are to be connected A C Motor 0 09 kW in Star c...

Page 29: ...operation with faults or power failure 12 and 13 closed 14 15 U a L Analogue Output FM 0 10 Volt Precedence freq for example antifreeze summer identification Optional 0 20 mA 4 20 mA 0 10 V Connection plan Version 2 for control units KR 4 7 Premium P and KR 15 Connection plan Version 1 for control unit KR 4 7 Also when the cleaning device is not in operation the mains voltage of 400V must be prese...

Page 30: ...enoid valve water 0 10 Volt 4 20 mA Supply voltage 400 V AC 230 V AC max 0 5 A e g for electrovalves supply Protective conductor Sensor middle brown black blue Sensor extend brown black blue Thermal contact for ATEX arrange ment external starting contact setpoint value 0 10V Output controller Sensor cycle brown black blue Error Air in operation Water external setpoint value 0 10 Volt By installati...

Page 31: ...A1 A2 14 11 12 24 2 22 T1 T2 Y1 Y2 Us 230 V L1 N S3 1 6 PTC Relay Ue 250 V le 3A AC15 M3 400 V 0 09 kW 1 1 1 2 2 ATEX PTC Relay 31 ...

Page 32: ...Klingenburg GmbH Boystraße 115 45968 Gladbeck Germany Tel 49 20 43 96 36 0 Fax 49 20 43 7 23 62 E mail klingenburg klingenburg de www klingenburg de E N E R G Y R E C O V E R Y AS2 050814 engl ...

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