10�1 Read the set parameters ���������������������������������������������������������������������������18 10�2 Changing the display unit in the Run mode �����������������������������������������������18 10�3 Error indication ������������������������������������������������������������������������������������������19 11 Technical data and scale drawing ��������������������������������������������������������������������19 12 Factory setting �������������������������������������������������������������������������������������������������19 1 Preliminary note 1.1 Symbols used ► Instruction > Reaction, result […] Designation of buttons, switches or indications...
2 Safety instructions • Please read this document prior to installing the unit� Ensure that the product is suitable for your application without any restrictions� • Improper or non-intended use may lead to malfunctions of the unit or to unwan- ted effects in your application�...
3 Functions and features The unit monitors liquids� It detects the process categories volumetric flow and medium temperature� Application area Conductive liquids with the following properties: • conductivity: ≥ 20 µS/cm • viscosity: < 70 mm /s at 40 °C (< 70 cSt at 104 °F)� 4 Function 4.1 Processing of the measured signals • The unit displays the current process values�...
4.4 Volumetric flow or temperature monitoring / analogue function • The analogue start point [ASP] determines at which measured value the output signal is 4 mA� • The analogue end point [AEP] determines at which measured value the output signal is 20 mA� • Minimum distance between [ASP] and [AEP] = 20 % of the final value of the measuring range�...
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5 x D 2 x D flow direction flow direction S = disturbance; D = pipe diameter; F = flow direction ► Install in front of or in a rising pipe� flow direction F = flow direction ► Avoid the following installation locations: - Directly in front of a falling pipe�...
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- At the highest point of the pipe system� - Directly in front of the spout of a pipe� flow direction flow direction F = flow direction The unit can be installed independently of the orientation if the following is ensured: - No air bubbles can form in the pipe system�...
5.2 Installation in pipes The unit is installed in the pipe using adapters� Adapters have to be ordered sepa- rately as accessories� flow direction 1� Screw the adapter (B) into the pipe (A)� 2� Place the seals (C) and install the unit according to the marked flow direction� 3�...
6 Electrical connection The unit must be connected by a qualified electrician� The national and international regulations for the installation of electrical equipment must be adhered to� Voltage supply to EN 50178, SELV, PELV� ► Disconnect power� ► Connect the unit as follows: OUT2 OUT1 Pin1...
7 Operating and display elements 1 2 3 4 5 6 7 8 Mode / Enter 1 to 8: Indicator LEDs - LED 1 = current volumetric flow in litres/minute� - LED 2 = current volumetric flow in cubic metres/hour� - LED 3 = current volumetric flow in gallons per minute (gpm)�...
8 Menu 8.1 Menu structure = [Mode/Enter] = [Set] In the Run mode, different display units are accessible (depending on the setting of the parameters [SELd], [Uni.F] and [Uni.T], → 10.2).
8.2 Explanation of the menu ASP1 Analogue start value for temperature� AEP1 Analogue end value for temperature� ASP2 Analogue start value for volumetric flow� AEP2 Analogue end value for volumetric flow� Extended functions / opening of menu level 2� HI�F Maximum value memory for volumetric flow� LO�F Minimum value memory for volumetric flow�...
9 Parameter setting During parameter setting the unit remains in the operating mode� It continues its monitoring function with the existing parameters until the parameter setting has been completed� 9.1 General parameter setting 3 steps must be taken for each parameter set: Parameter selection Mode / ►...
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• Change from menu level 1 to menu level 2: ► Press [Mode/Enter] until [EF] is Mode / displayed� Enter ► Press [Set] briefly� Mode / Enter > The first parameter of the sub-menu is displayed (here: [HI�F])� • Locking / unlocking The unit can be locked electronically to prevent unintentional wrong settings�...
9.2 Scaling of the analogue value for temperature ► Select [ASP1] and set the value at which 4 mA is provided� ► Select [AEP1] and set the value at which 20 mA is provided� 9.3 Scaling of the analogue value for volumetric flow ►...
9.4.5 Setting the error behaviour of OUT1 / OUT2 ► Select [FOU1] and determine the value: - [On] = the analogue signal goes to the upper end stop value� - [OFF] = the analogue signal goes to the lower end stop value� - [OU] = the analogue signal corresponds to the measured value�...
10 Operation After power on and expiry of the power-on delay time (approx� 5 s) the unit is in the Run mode (= normal operating mode)� It carries out its measurement and eva- luation functions and generates output signals according to the set parameters� • Operation indication → 7 Operating and display elements.
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10.3 Error indication [OL] Detection zone of volumetric flow or temperature exceeded: measured value between 120 % and 130 % of VMR� [UL] Below the detection zone of volumetric flow or temperature: measured value between -120 % and -130 % of VMR� [Err] - Unit faulty / malfunction�...
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