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Technical data

Cleaning Air Box

8 - 2

ba75731e02

02/2008

Delivery rate

Operation

Note

The Cleaning Air Box

is not suitable for continuous operation.

Maximum
delivery rate

28 NL/min (Liter per minute at STP)

Maximum operating
pressure at the pump
outlet

Pa (1 bar) over pressure

Maximum depth of
immersion of the
cleaning nozzles at
the sensor

1.5 m

Operating mode

Pulse/Break operation (see section 4.1)

Pulse/Break ratio

max. 1/5

Maximum pulse
duration or pumping
time

300 s

Содержание Cleaning Air Box

Страница 1: ...ba75731e02 02 2008 Cleaning Air Box Operating manual Cleaning Air Box Compressed air supply unit...

Страница 2: ...nstrument Also we cannot guarantee that there are absolutely no errors in this manual Therefore we are sure you will understand that we cannot accept any legal claims resulting from the data figures o...

Страница 3: ...3 3 Mounting 3 1 3 4 Electrical connection 3 3 3 4 1 General installation instructions 3 3 3 4 2 Connecting the wires 3 4 3 5 Installing retrofitting a check valve option 3 5 4 Operation 4 1 4 1 Oper...

Страница 4: ...Contents Cleaning Air Box 0 2 ba75731e02 02 2008...

Страница 5: ...d on and off with an external switch A relay contact of the measuring system is used as the switch The relay contact is configured and controlled for the cleaning function via the software of the meas...

Страница 6: ...r Box in an IQ SENSOR NET System 182 Fig 1 2 Application example for the Cleaning Air Box Cleaning Air Box Sun shield SSH IQ Compressed air hose CH scope of delivery Swing mounting assembly EH F 170 x...

Страница 7: ...ignal word e g Caution indicates the danger level Warning indicates instructions that must be followed precisely in order to prevent serious dangers to personnel Caution indicates instructions that mu...

Страница 8: ...e only guaranteed if the generally applicable safety measures and the special safety instructions in this operating manual are followed during their use The failure free function and operational safet...

Страница 9: ...t conditions If the Cleaning Air Box is installed outside it should be protected by a sun shield against the effects of the weather snow ice and direct solar radiation The measurement location must me...

Страница 10: ...e use the supplied fitting pos 1 in Fig 3 1 and secure the compressed air hose with the supplied hose clip pos 2 Screw the intake air filter pos 3 into the filter socket pos 4 by hand Note The cleanin...

Страница 11: ...Air Box easily accessible by the user and identified as an interrupt facility for the Cleaning Air Box z The line power supply must only be switched on while the enclosure lid is closed Control line...

Страница 12: ...be cut off as closely as possible to the cable gland z Close all unused cable glands with blind plugs 3 4 2 Connecting the wires Materials required z Wire end sleeves suitable for the connecting wires...

Страница 13: ...follows Warning Risk of injury by rotating parts inside the enclosure While the pump is running there is risk of injury for the fingers and risk of hair and loose clothing being drawn in at the blowe...

Страница 14: ...n the bared hose by 5 cm 3 Insert the shortened hose end into the free hose coupling at the check valve as far as it will go 4 Insert the free hose end of the check valve into the connection at the co...

Страница 15: ...off due to excessive heat Control relays All relays of WTW instruments e g IQ SENSOR NET or measuring transmitters of the 170 and 296 series can be configured for activation of the Cleaning Air Box T...

Страница 16: ...ratures around and below the freezing point frequently check the hose system for water or ice in the lines To prevent the icing of the pump you can shorten the stoppage and or extend the cleaning dura...

Страница 17: ...ir Box from the power supply and secure it against being switched on inadvertently Maintenance plan Note Depending on environmental conditions e g dust in the air high temperatures the maintenance int...

Страница 18: ...so loosen the blue coupling rings and pull off the hoses 4 Unscrew the mounting plate from the enclosure 4 hexagon socket head screws in the corners and remove it completely with all mounted component...

Страница 19: ...rmediate plate 14 Check that the valve seats intermediate plate and ribbed plate are free from dirt Replace them if they are deformed scratched or corroded Contact WTW in this case 15 Insert the new v...

Страница 20: ...w off the worst of the dirt beforehand Keep the housing closed while doing so Caution Do not clean the Cleaning Air Box with a pressure washer 21 Screw the capacitor on the mounting bracket Make sure...

Страница 21: ...1 ba75731e02 02 2008 6 Replacement parts and accessories Description Model Order no Intake air filter AF Cleaning Air Box 480 026 Check valve BPV 480 029 Maintenance set comprising replacement pump m...

Страница 22: ...Replacement parts and accessories Cleaning Air Box 6 2 ba75731e02 02 2008...

Страница 23: ...pted the circuit T 70 C Let the Cleaning Air Box cool down The temperature fuse restores the circuit again automatically In the case of frequent failure shade the Cleaning Air Box or increase the rati...

Страница 24: ...r Box 7 2 ba75731e02 02 2008 With heavy frost Formation of ice in the compressed air line Deice the compressed air line For future operation lower the ratio between stoppage and cleaning duration see...

Страница 25: ...x Technical data 8 1 ba75731e02 02 2008 8 Technical data Dimensions Fig 8 1 Dimension drawing of the Cleaning Air Box dimensions in mm Test marks Cleaning Air Box Hose inner diameter 6 mm 222 198 178...

Страница 26: ...operation Maximum delivery rate 28 NL min Liter per minute at STP Maximum operating pressure at the pump outlet 105 Pa 1 bar over pressure Maximum depth of immersion of the cleaning nozzles at the se...

Страница 27: ...rature Operation 20 C 55 C 4 131 F Restricted operation under 0 C under certain operating conditions only Storage 25 C 65 C 13 149 F Relative humidity Yearly average 90 Dew formation Possible Site alt...

Страница 28: ...ble by opening the lid Terminal ranges Solid wires Flexible wires 0 2 4 0 mm2 AWG 24 12 0 2 2 5 mm2 Cable feeds 3 cable glands PG 13 5 on the underside of the enclosure EN 61326 EMC requirements for e...

Страница 29: ...Wissenschaftlich Technische Werkst tten GmbH Dr Karl Slevogt Stra e 1 D 82362 Weilheim Germany Tel 49 0 881 183 0 49 0 881 183 100 Fax 49 0 881 183 420 E Mail Info WTW com Internet http www WTW com...

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