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4.2  Sources of interference in the pipe system

Components integrated in the pipes, bends, valves, reductions, etc� lead to  turbu-

lence of the medium� This affects the function of the unit�
Recommendation: Adhere to the distances between sensor and sources of inter-

ference:

         

         

D = pipe diameter; S = sources of interference

4.3  Mounting operation

 

Ensure that the system is free of pressure during installation�

 

Ensure that no media can leak at the mounting location during installa-

tion�

  

 

Grease the threads of the process connection (1), adapter (2) and nut (3)� 

The sensor tip (A) must not be in contact with grease�

 

Screw the suitable adapter into the process connection�

 

Place the flow monitor onto the adapter and tighten the nut� Tightening torque 

25 Nm� Ensure that the unit is correctly oriented�

Summary of Contents for SI5100

Page 1: ...Operating instructions Flow monitors SI5100 UK 80261855 00 03 2017 ...

Page 2: ...ting operation 6 5 Electrical connection 7 6 Operating and display elements 7 7 Set up and settings for water 8 7 1 Change the switch point optional 8 7 2 High flow adjustment optional 9 8 Additional settings optional 9 8 1 Low flow adjustment 9 8 2 Configure the switching output 9 8 3 Restore the factory setting reset 10 8 4 Lock unlock the unit 10 8 5 Remote adjustment 10 9 Troubleshooting 10 10...

Page 3: ... be suitable for the corresponding applications and environ mental conditions without any restrictions Only use the product for its intended purpose 3 Functions and features Only use the product for permissible media 12 Technical data If the operating instructions or the technical data are not adhered to personal injury and or damage to property may occur The manufacturer assumes no liability or w...

Page 4: ...en applies output open if medium is flowing If the flow speed increases the switching status changes when the switch point is reached If the flow speed falls again the switching status changes if the value SP minus hysteresis is reached The hysteresis changes with the flow speed and it is essentially influenced by the set monitoring range It is 2 5 cm s for the setting 5 100 cm s factory setting i...

Page 5: ...llation location General The sensor tip is to be completely surrounded by the medium Insertion depth of the sensor minimum 12 mm Recommended For horizontal pipes mounting from the side For vertical pipes mounting in the rising pipe Conditional Horizontal pipe mounting from the bot tom if the pipe is free from build up Horizontal pipe mounting from the top if the pipe is completely filled with medi...

Page 6: ...sources of interference 4 3 Mounting operation Ensure that the system is free of pressure during installation Ensure that no media can leak at the mounting location during installa tion Grease the threads of the process connection 1 adapter 2 and nut 3 The sensor tip A must not be in contact with grease Screw the suitable adapter into the process connection Place the flow monitor onto the adapter ...

Page 7: ...t 8 5 1 BN brown 2 WH white 3 BU blue 4 BK black Use 4 wire connection cables without a link between pins 2 and 4 With 3 wire sockets with a link between pin 2 and pin 4 switching of the output stage triggers the remote adjustment 6 Operating and display elements 1 Operation display The green LEDs indicate the current flow the LEDs 0 to 9 represent the range between no flow and maximum flow A ligh...

Page 8: ...t 6 2 3 Your normal flow exceeds the representation range of the display LED 9 flashes Carry out high flow adjustment 6 2 You can restore the factory setting any time 8 3 7 1 Change the switch point optional For the factory setting the switch point is at LED 7 A change makes sense if the display shows example 2 the flow fluctuates much or pulsates if a faster response time of the unit is requested...

Page 9: ...flow The following adjustment must only be carried out after the high flow adjust ment Let the minimum flow circulate in the installation or ensure flow standstill Press and keep it pressed LED 0 lights after approx 5 s it flashes Release The unit adopts the new value and passes into the operating mode 8 5 Remote adjustment 8 2 Configure the switching output The unit is delivered as normally open ...

Page 10: ...unit to new flow conditions any time Apply the operating voltage for 5 10 s to Pin 2 high flow adjustment Apply the operating voltage for 10 15 s to Pin 2 low flow adjustment This adjustment does not affect the switch point the relative position is not chan ged 9 Troubleshooting If no adjustment is possible all LEDs flash red The unit then passes into the operating mode with unchanged values Possi...

Page 11: ... 0 flashes current flow far below the represen tation range Interference indicator Short circuit at the switching output The operating indicator and red LEDs light alternately If the short circuit has been rectified the unit imme diately passes into the normal operating state The current operating state is displayed Display OFF no LED lights Operating voltage too low 19 V or failed Check the suppl...

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