HESCH HE 5422 MR Operating Manual Download Page 1

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HE 5422 MR

Differential pressure regulator with measuring hose cleaning

Operating manual

Translation of the operating manual

(Original version German)

Summary of Contents for HE 5422 MR

Page 1: ...HE 5422 MR Differential pressure regulator with measuring hose cleaning Operating manual Translation of the operating manual Original version German...

Page 2: ...lter Schr der Werner Brandis Publisher HESCH Industrie Elektronik GmbH Documentation Department Copyrights Copyright 2014 HESCH Industrie Elektronik GmbH All rights reserved The content including pict...

Page 3: ...13 3 4 Technical data 14 4 Installation 16 5 Electrical commissioning 17 5 1 Safety notes 17 5 2 Supply voltage 18 5 3 Connection diagram 19 5 4 Inputs 19 5 5 Outputs 19 6 Parametrization 20 6 1 Param...

Page 4: ...Chapter 3 Device description Description of the Differential Pressure Regulator control elements and techni cal specifications Chapter 4 Installation Dimensions of the device and scope of delivery Cha...

Page 5: ...ter 3 1 3 4 5 2 5 3 Changed value for wide range power supply 100 240 VAV Chapter 2 2 Changed value for surface temperature Chap ter 6 1 Supplemented factory setting of p Measuring range mbar Chapter...

Page 6: ...iable for improper usage and the resulting personnel injuries or damage the risk lies entirely with the operator Failure to comply with the above mentioned criteria regarding intended use may void the...

Page 7: ...king with the de vice Used symbols The following symbols are used in this manual All safety information notes are structured in a uni form manner Warning of personnel injury The severity of the danger...

Page 8: ...nger with medium risk that may result in death or serious injury if not avoided CAUTION Indicates a danger with low risk that might result in slight or moderate injury if not avoided Structure of warn...

Page 9: ...berate interruptions are not permissible If it can be assumed that safe operation is no longer possible then the device shall be put out of commission and be secured against unintended operation or re...

Page 10: ...zone 22 with the lid closed Prior to opening the device it has to be ensured that there are no explosive ambient conditions such as dust development The device is marked with II Not suitable for mine...

Page 11: ...Chapter 3 Device description Operating manual HE 5422 MR 11 Version 1 2 3 Device description 3 1 Overview Fig 3 1 Overview A Type designation B Display and control elements C Cable glands A B C...

Page 12: ...ration message Cleaning active Alarms active Interruption on one valve Short circuit of a valve over current Filter constant of the differential pressure measurement Post cleaning time Normal operatio...

Page 13: ...essure balance after the blowing time Interval waiting time until the next measuring line cleaning cycle TEST button testing mode ON OFF PARA button parametrization mode ON OFF UP button increase disp...

Page 14: ...mA Galvanically isolated Max permissible load 400 Digital inputs Start post cleaning Internally supplied by 24 VDC 1 mA Relay outputs 1 change over contact 250 VAC 5 A as a combined operating and fau...

Page 15: ...mm hose Blowing pressure connection 1 push in bulkhead connector for 8 mm hose Maximum blowing pressure 8 bar Installation Wall mounting mounting position vertical Ambient conditions Climatic Storage...

Page 16: ...ce may be installed in areas subject to the EX ATEX Zone 22 Explosion Class The special provisions should be observed see chapter 2 2 Safety dur ing the individual phases of operation on page 9 Dimens...

Page 17: ...limitations specified for use of the device have to be observed before and during operation The protective ground connection in the appropriate device carrier has to be conductively connected to the p...

Page 18: ...Supply voltage 1 Loosen the screws on the housing cover lid and remove the cover 2 Read the supply voltage value off the type plate for example 100 240 VAC and 24 VDC mains voltage 3 Connect PE conduc...

Page 19: ...ed with 24 V DC and are active when they are switched to ground GND with a potential free contact 5 5 Outputs Relay The device is equipped with 4 potential free relay outputs The contacts can each be...

Page 20: ...t value The next digit will subsequently flash in the display 6 Repeat steps 4 5 until the last digit has been changed The next parameter is offered 7 If necessary change the next parameter 8 The para...

Page 21: ...len below of End of the p cycle OFF 0 1 450 mbar 10 0 mbar Low alarm mbar Threshold for the low alarm message When this value is fallen below of the relay contact is closed if the post cleaning thresh...

Page 22: ...elow the low alarm threshold until the low alarm relay is activated The relay is not activated if the post cleaning threshold is fallen below of during this delay period 1 3600 s 300 s BG Cleaning int...

Page 23: ...trization mode is exited If the current code is supposed to be read out the UP DOWN buttons again have to be pressed while powering up If 0 is selected as code the parameter protection is deactivated...

Page 24: ...ns at the same time while powering up EEP will appear on the display 2 Hold both buttons for 5 seconds With a password 0 cod will flash in the display 3 Press the ENTER button 4 Change the code for th...

Page 25: ...and the inputs of the device Fig 7 1 Connection compartment Note All digital inputs of a system refer to the same ground It is permissible to use one ground wire for multiple inputs A 1 As long as the...

Page 26: ...1 The Upper threshold is exceeded or the Lower threshold is fallen below of 2 The Post cleaning threshold is fallen below of for the post cleaning time if the lower threshold was exceeded previously...

Page 27: ...asuring range For example 0 30 mbar 4 20 mA 0 20 mbar 4 20 mA During normal operation the cleaning process is started when the upper threshold Cleaning is ex ceeded and is deactivated again when the l...

Page 28: ...differential pressure measurement Cleaning Time Measuring range of the sensor High alarm Upper threshold Cleaning start Lower threshold Cleaning stop Low alarm Post cleaning start On Off High alarm r...

Page 29: ...ential pressure measurement is regularly blocked off and compressed air is blown into the connection lines for raw and pure gas After a recovery time for pressure balanc ing the differential pressure...

Page 30: ...ial pressure signal Check external glands The differential pres sure display shows Error of the measuring hose cleaning valve 1 to 3 Interruption Send the device in for repair The differential pres su...

Page 31: ...Chapter 9 Declaration of conformity Operating manual HE 5422 MR 31 Version 1 2...

Page 32: ...cleaned regularly in order to avoid increased dust build up on the device Disposal Recycle metals and plastics Electrical and electronic components should be collected separately and be disposed of ac...

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