JUMO AQUIS 500 Ci Operating Instructions Manual

Transmitter/controller for inductive conductivity, concentration and temperature

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JUMO AQUIS 500 Ci

Transmitter/Controller for Inductive Conductivity,

Concentration and Temperature

Type 202566

B 202566.0

Operating Instructions

V1.00/EN/00520244

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Summary of Contents for JUMO AQUIS 500 Ci

Page 1 JUMO AQUIS 500 Ci Transmitter/Controller for Inductive Conductivity, Concentration and Temperature Type 202566 B 202566.0 Operating Instructions V1.00/EN/00520244...
Page 2 WARNING: A sudden malfunction of the device, or one of the sensors connected to it, could potentially result in dangerous, imprecise dosing! Suitable preventive measures must be in place to prevent this from happening. Note: Please read these Operating Instructions before placing the device in operation. Keep the manual in a place which is accessible to all users at all times.
Page 3 Contents Typographical conventions ............5 Warning symbols ..................5 Reference symbols ..................5 Description ................6 Identifying the device version ..........9 Nameplate ....................9 Order details ....................9 Accessories (optional) ................10 Mounting .................. 11 General .......................11 Surface mounting the transmitter ..............11 Pipe installation set / weather protection roof ...........12 DIN rail installation set ................12 Mounting in a panel ..................13 Fitting the conductivity sensor ..............15...
Page 4 Contents Startup ..................42 Getting started ...................42 Setting example ..................43 Calibrating inductive conductivity cells ........ 48 Notes ......................48 General .......................48 Calibrating the relative cell constant ............49 Calibrating the temperature coefficient of the measurement solution ..51 Calibration logbook ..................57 Setup program ................ 58 Function .....................58 Eliminating errors and faults ..........
Page 5 1 Typographical conventions Warning symbols Danger This symbol is used when there may be danger to personnel if the instructions are ignored or not followed correctly! Caution This symbol is used when there may be damage to equipment or data if the instructions are ignored or not followed correctly! Reference symbols Note...
Page 6 2 Description General The JUMO AQUIS 500 CI is used for the inductive measurement / control of information electrolytic conductivity or of the concentration of liquids. With this device, it is also possible to display the measured conductivity in accordance with a specifically customized table.
Page 7 2 Description Measuring circuit arrangement (1) JUMO tecLine Ci, inductive conductivity and temperature sensor (2) Cable (JUMO tecLine Ci component) (3) JUMO AQUIS 500 Ci, transmitter/controller for conductivity, concentration and temperature Key features • Display: mS/cm, µS/cm, g/l, etc. Special visualizations can also be configured with the setup program.
Page 8 2 Description Block diagram Analog inputs Analog outputs (option) Outputs 1 + 2: Input 1: 0(4) - 20 mA or 0 - 10 V Inductive conductivity cell Can be configured as analog actual value output and/or Input 2: continuous Temperature controller output (PID action) manual input or automatic Pt100 / Pt1000 / 4 kW...
Page 9 3 Identifying the device version Nameplate on the JUMO AQUIS 500 Ci transmitter TN: 00491200 Fulda, Germany Typ: 2025 66 1 888 000 000 000- 3 / 0- 2 /000 www.jumo.net F-Nr.: 0168122901016010001 ≤ 14VA AC 110..240V -15/+10% 48..63Hz The date of manufacture is encoded in "F No." (serial number): 1601 means manufactured in 2016, week 01.
Page 10 Calibration adapter for inductive conductivity measurement, 00544942 type 202711/21 With the pipe installation set, the JUMO AQUIS 500 can be attached to a pipe (e. g. a support pillar or a railing). With the DIN rail installation set, the JUMO AQUIS 500 can be attached to a 35 mm x 7.5 mm DIN rail as per EN 60715 A.1.
Page 11 4 Mounting General Mounting Find a location that ensures easy accessibility for the later calibration. location The fastening must be secure and must ensure low vibration for the device. Avoid direct sunlight! Permissible ambient temperature at the installation location: -10 to 55°C with max.
Page 12 The pipe installation set is also suitable for horizontal pipes. DIN rail installation set The DIN rail installation set for JUMO AQUIS 500 (part no.: 00477842) can be used to attach the device to a 35 mm x 7.5 mm DIN rail, as per EN 60715 A.1.
Page 13 4 Mounting Mounting in a panel Panel cut-out Drilling template See section 12.3 "Template for panel cutout", page 82. The panel must be sufficiently thick to achieve the specified IP65 enclosure protection! Installation Prepare the panel cut-out and holes based on the drill template. Place the control panel (1) with gasket (3) in the panel cut-out and fasten it with the two upper screws (2) spacing rollers (3) and nuts (4).
Page 14 4 Mounting Fit the bracket (4) for strain relief with the two lower screws (5). Make the electrical connection, See section 5 "Electrical connection", page 16. Break off the required flap(s) (3) from the cable cover (2) so that the cable can be laid in the cable path.
Page 15 (1) and the connecting cable (4). Fitting the conductivity sensor Only inductive conductivity sensors of the JUMO tecLINE Ci type, see data sheet 202941, can be connected to the JUMO AQUIS 500 Ci. The installation of these conductivity cells is described in operating instruc-...
Page 16 5 Electrical connection Installation notes The electrical connection must only be performedby qualified personnel! The choice of cable, the installation and the electrical connection must conform to the requirements of VDE 0100 “Regulations on the Installation of Power Circuits with Nominal Voltages below 1000 V” or the appropriate local regulations.
Page 17 Relay contacts Binary input 30 V AC 50 V DC Main input Analog output 1 Inductive conductivity cell type JUMO tecLINE Ci 30 V AC 50 V DC Secondary input Analog output 2 Temperature sensor Pt100 or Pt1000 3700 V AC...
Page 18 5 Electrical connection Opening and closing the device Opening the Prior to opening, loosen all cable fittings (2) so that the cables are device moveable. Push connection cable a little into the case so that enough cable reserve is available for opening. Loosen the 4 front-panel screws (1) of the case lid and pull them out as much as possible.
Page 19 5 Electrical connection Connecting the cables The electrical connection for the surface-mountable housing is easily accessible when the device is folded out. The device contains a guide plate that ensures an optimum cable path. After laying the cables, the cable cover (1) must be attached until it clicks, like shown above.
Page 20 5 Electrical connection Interior view figure without cable cover and without sensor cable (L-) (L+) 11 12 13 14 15 16 Lead the connecting cables in through the cable fittings. In case of rerouting the sensor cable: use the cable clip (3) to clamp the signal cable to the shielding.
Page 21 Power supply (25): 20 - 30 V AC/DC, 48 - 63 Hz Power supply (30): 12 - 24 V DC, ± 15% Only JUMO tecLINE Lf Ci inductive conductivity cells can be operated at the M12 connector, see data sheet 20.2941.
Page 22 5 Electrical connection Connection Terminal Switching output K1 (floating) 4 pole 5 NC 6 NO Switching output K2 (floating) 8 pole 9 NC 10 NO...
Page 23 6 Operation device operation via the optional set-up program, See section 9 "Setup program", page 58. Operation via the device keypad is described below. Controls Display backlit (during operation) Start calibration Cancel entry / Exit level EXIT Change level Forward selection Confirm selection Reduce numerical value Forward selection...
Page 24 6 Operation Display 6.2.1 Measuring mode (normal display) Example (10) (11) Relay K1 is active Measurement value Relay K2 is active Measurement unit Binary input 1 is Temperature of medium triggered (10) device status e.g. Keypad is locked - Measuring (normal) - Calibration status device status (notes) - Alarm (e.g.
Page 25 6 Operation Principle of operation 6.3.1 Operation in levels Measurement mode Normal display > 2 s EXIT Main menu Operator level timeout (appr. 60 s) Administrator level Calibration level Valibration logbook Device info EXIT EXIT EXIT Operator level Administrator level Calibration level timeout timeout...
Page 26 6 Operation Parameter overview Measuring mode (normal display); See section 6.5 "Measuring mode", page 28 CTRl. Setpoints MIN/MAX values See section 6.6.1 "MIN/MAX values", page 28 Output level display See section 6.6.2 "Output level display", page 29 Manual mode overview See section 6.7 "MANUAL mode / simulation mode", page 30...
Page 27 6 Operation Measuring mode ADMINISTRATOR LEVEL BASIC SETTINGS, See section 6.10.4 "Basic settings", page 39 OPERATING MODE UNIT DECIMAL POINT COMPENSATION TYPE TEMPERATURE COEFF. TEMPERATURE SENSOR NEW DEVICE INITIALIZE ? CALIB. LEVEL, See section 6.10.6 "Calibration level", page 40 LINEAR TEMP. CO. TEMP.
Page 28 6 Operation Measuring mode 6.5.1 Normal display Visualization The following are displayed in measuring mode: - the analog input signal - the unit: (configurable as pH, mS/cm, µS/cm, ppm, %, mV, etc.) - the temperature of the medium MEASURING -> measuring mode 24.3 ->...
Page 29 6 Operation To return to measuring mode: press the key or wait for a "timeout". EXIT Measurements with "out of range" are ignored. Press the key again briefly to go to "Output level display" mode. The min./max. value memory can be reset: Operator level / Display / Min./max.
Page 30 In MANUAL mode the settings for "higher order controllers" are taken into consideration. 6.7.1 MANUAL mode via "higher order control functions" Higher order The JUMO AQUIS 500 is configured for higher order control functions when switching the following setting is made: functions User level / controller channel 1 or 2 / control type Limit value or pulse width or pulse frequency or modulating or continuous controller.
Page 31 To exit HOLD mode, press the keys for longer than 3 seconds. EXIT Control is no longer through the JUMO AQUIS 500. The output level of the controller channels is 0%. Controller channel 1 is activated by the key. In this case the output level of controller channel 1 is 100%.
Page 32 Set Administrator level / Password / Parameter level / Switching output 1 and/or 2 / Manual mode no simulation, Inactive or Active. No simulation = No manual mode, control is via the JUMO AQUIS 500. Inactive = Relay K1 or K2 is de-energized.
Page 33 Administrator level / Password / Parameter level / Analog output 1 and/or 2 / Simulation / Off or On. With "On", the output takes on the value of the "Simulation value" parameter. When the JUMO AQUIS is in display mode, the word MANUAL appears in the status line of the display. Deactivation Administrator level / Password / Parameter level / Analog output 1 and/or 2 / Simulation / Off.
Page 34 6 Operation HOLD mode In the HOLD state, the outputs take on the states programmed in the relevant parameter (controller channel, switching output or analog output). This function can be used to "freeze" the switching outputs and the analog outputs of the device. This means the current status of the output will be retained even when the measurement value changes.
Page 35 6 Operation Operator level All the parameters that the Administrator (See section 6.10 "Administrator level", page 35) has enabled can be edited at this level. All the other parameters (marked with a key ) are read only. Press the key for longer than 2 seconds. Select "OPERATOR LEVEL".
Page 36 6 Operation 6.10.1 The levels of Administrator level ADMIN. LEVEL PASSWORD EXIT PARAMETER LEVEL timeout (adjustable) EXIT ENABLE LEVEL timeout EXIT BASIC SETTINGS timeout EXIT CALIBRATION LEVEL timeout EXIT CALIB. ENABLE timeout DELETE EXIT LOGBOOK timeout...
Page 37 6 Operation 6.10.2 Parameter level The settings that can be made here are the same as those at operator level, See section 6.9 "Operator level", page 35. As the operator has administrator rights here, the parameters that are locked at operator level can now also be modified. 6.10.3 Enable level All parameters can be enabled (editing possible) or locked (editing not possible) for editing here.
Page 38 6 Operation Controller alarm In Hold mode On error Max. actual value Min. actual value CTRL. SPEC. FUNCT. (special controller function) I switch-off separate controllers Manual mode SWITCH OUTPUT 1 and SWITCH OUTPUT 2 Function Switching point USP pre-alarm Spacing Hysteresis Switch-on delay Switch-off delay...
Page 39 6 Operation Bar graph calibration end MIN/MAX reset Operator timeout Contrast WASH TIMER Cycle duration Wash duration 6.10.4 Basic settings The device has a basic settings wizard, to make it easier for the user to configure the extensive conductivity and standard signal input setting options and to avoid configuration conflicts.
Page 40 6 Operation 6.10.6 Calibration level Three calibration options are provided: - Linear temperature coefficient - Non-linear temperature coefficient (temp. coef. curve) - Relative cell constant The calibration level is reached via: ADMINISTR. LEVEL / PASSWORD / CALIB. LEVEL. 6.10.7 Calibration enable Here you can set whether or not the start of the calibration procedure is enabled at the operator level or by the "CAL"...
Page 41 6 Operation 6.12 Controller functions Simple witching In the JUMO AQUIS 500, simple switching functions (AF) such as alarm functions contacts, limit value monitoring or calibration timer signaling are configured at parameter level via the parameters of "Switching outputs 1 and 2".
Page 42 Getting started The B 202566.0.1 calibration instructions must be used to coordinate the JUMO AQUIS 500 Ci transmitter and the inductive conductivity sensor! The calibration instructions are included with the type 202711/21 calibration adapter option. Needed for the adaptation are:...
Page 43 7 Startup Setting example 7.2.1 Measurement in the food industry with an hygienic inductive conductivity and temperature sensor (PEEK) Task Measurement range: 0 - 1.00 mS/cm Display: two decimal places Cell constant K: 5.15 1/cm (see printing on cell) Output signal: 4 - 20 mA Temperature compensation: linear Temperature measurement automatic (sensor is incorporated in the cell)
Page 44 7 Startup Calling up the basic settings ADMIN. LEVEL PASSWORD EXIT PARAMETER LEVEL timeout (adjustable) EXIT ENABLE LEVEL timeout EXIT BASIC SETTINGS timeout continue on next page EXIT CALIBRATION LEVEL timeout EXIT CALIB. ENABLE timeout EXIT DELETE LOGBOOK timeout...
Page 45 7 Startup Making the basic settings for the main input Operating mode Custom table Conductivity Concentration Decimal point Unit Unit XXXX / XXX.x / µS/cm or mS/cm % or customized XX.xx / X.xxx Compensation type Compensation type Decimal point Curve XXXX / XXX.x / NaOH / HNO3 / Nat.
Page 46 7 Startup Calling up Parameter level ADMIN. LEVEL PASSWORD EXIT PARAMETER LEVEL continue on timeout next page (adjustable) EXIT ENABLE LEVEL timeout EXIT BASIC SETTINGS timeout EXIT CALIBRATION LEVEL timeout EXIT CALIB. ENABLE timeout DELETE EXIT LOGBOOK timeout...
Page 47 7 Startup Concluding device settings Input for Sensor type: Pt100/Pt1000 temperature Unit: °C Filter time constant: 00:00:02 Offset: 0.0°C Controller Controller type: limit channel 1 Setpoint: 0.60 mS/cm Min./max. contact: as required Hysteresis: as required Pull-in delay: as required Drop-out delay: as required Controller alarm: as required...
Page 48 (subject to the medium). General Calibration The device provides three calibration options for adapting the JUMO AQUIS options 500 Ci to the sensor and the medium: - Calibration of the relative cell constants; this is a one-point calibration, See section 8.3 "Calibrating the relative cell constant", page 49.
Page 49 When there is an increased demand for accuracy, the cell constant first has to be calibrated. Requirement - The JUMO AQUIS 500 Ci must be supplied with voltage. See section 5 "Electrical connection", page 16 ff. - A conductivity sensor must be connected.
Page 50 8 Calibrating inductive conductivity cells When the measurement value is steady, press the key; the displayed conductivity measurement flashes. Use the keys to set the value to the actual conductivity. Press the key; the relative cell constant determined by the device is displayed (as a %).
Page 51 We therefore recommend that you run a temperature coefficient calibration. Requirement - The JUMO AQUIS 500 Ci must be supplied with voltage. See section 5 "Electrical connection", page 16 ff. - A conductivity sensor must be connected.
Page 52 8 Calibrating inductive conductivity cells The displayed current sensor temperature flashes (1). Enter the required working temperature and confirm your entry. The working temperature must be at least 5°C above or below the reference temperature (25.0°C). The LC display now shows the chosen working temperature (flashing) (2). Press the key.
Page 53 8 Calibrating inductive conductivity cells As soon as the temperature of the medium exceeds T1 (25°C), this is hidden on the display. The uncompensated conductivity at the current temperature is displayed on the right. If the temperature of the medium exceeded T2 (73.0°C), the device determines the temperature coefficient.
Page 54 We therefore recommend that you run a temperature coefficient calibration. Requirement - The JUMO AQUIS 500 Ci must be supplied with voltage. See section 5 "Electrical connection", page 16 ff. - A conductivity sensor must be connected.
Page 55 8 Calibrating inductive conductivity cells Select "TEMP. COEF. CURVE " and press the key. Enter the required start temperature (1) for the temp. coef. curve. Enter the required end temperature (2) for the temp. coef. curve. Heat the medium continuously (3) the current uncompensated conductivity (4) the current temperature of the medium (5) the first target temperature...
Page 56 8 Calibrating inductive conductivity cells The transmitter is in "measuring mode" and displays the compensated conductivity of the solution.
Page 57 8 Calibrating inductive conductivity cells Calibration logbook The results of the last successful calibration are documented in the calibration logbook. - Relative cell constant (CELL CONST) = 102.9%. - Temperature coefficient of the sample medium = 2.0%/°C. - The temperature coefficient was determined at temperatures T1 and T2. It is not possible to assign a time.
Page 58 Both the setup program and the PC interface cable with USB/TTL converter parameters (70/00456352) are available as options, and provide a convenient way to adapt the JUMO AQUIS Ci to meet requirements: - Setting the measuring range. - Setting the response of the outputs to an overrange signal.
Page 59 10 Eliminating errors and faults Problem Possible cause Action No measurement display There is no power supply Check the power supply current output Measurement display Sensor not immersed in Top up the container 0000 or medium; current output 4 mA level in container too low Flow-through fitting is blocked Clean the flow-through fitting...
Page 60 10 Eliminating errors and faults Temperature is too high Keep to the permitted range Problem Possible cause Action Temperature is too low Keep to the permitted range Input signal is too low Check the sensor Check the "zero point" parameter Concentration is outside the Check the concentration permitted range...
Page 61 Uncompensated conductivity > Temperature compensation > Linearization with table > Display value. Effect of temperature on the JUMO AQUIS 500 Ci with inductivity conductivity probe JUMO tecLINE Ci. Variation from 22°C relative to the final output signal value 0(4) - 20 mA and 0 -10 V.
Page 62 11 Technical data NTC / PTC Measuring range max. 4 kΩ Input of a table with up to 20 value pairs via the setup program ≤ 0.3°C (subject to the interpolation points) Accuracy Ambient temperature error 0.05 %/10°C 11.3 Temperature compensation Linear Lf (uncompensated) Lf (compensated) =...
Page 63 11 Technical data 11.7 Controller Controller type alarm functions, limit controller, pulse width controller, pulse frequency controller, modulating controller, continuous controller Controller structure P / PI / PD / PID A/D converter dynamic resolution up to 14 bits Sampling time 500 ms Switching outputs (max.
Page 64 11 Technical data Ambient temperature range -10 to 50°C (the specified accuracy is adhered to in this range) Operating temperature -15 to 65°C range (device operational) Storage temperature range -30 to 70°C rel. humidity ≤ 90% annual mean, no compensation Climatic rating (based on EN 60721 3-3 3K3) Enclosure protection...
Page 65 12 Appendix 12.1 Operator level parameters When there are numerous device parameters to configure, it is advisable to make a note in the table below of all the parameters to be changed and to work through these parameters in the given order. The following list shows the maximum number of parameters that can be modified.
Page 66 12 Appendix Parameter Selection / value range factory setting setting Function No function Key lock Hold mode Hold mode inverse Alarm stop (for controller only) Controller channel 1 Controller type No function Limit controller Pulse frequency output Pulse width output Continuous controller Modulating controller Setpoint...
Page 67 12 Appendix Parameter Selection / value range factory setting setting Controller channel 2 Controller type No function Limit controller Pulse frequency output Pulse width output Continuous controller Setpoint According to device variant Second setpoint According to device variant (modulating controller at controller 1 only) Min.
Page 68 12 Appendix Parameter Selection / value range factory setting setting Switching output 1 Function No function Controller output 1 Controller output 2 Controller alarm 1 Controller alarm 2 AF1 main variable AF2 main variable AF7 main variable AF8 main variable AF1 temperature AF2 temperature AF7 temperature...
Page 69 12 Appendix Parameter Selection / value range factory setting setting Switching output 2 Function No function Controller output 1 Controller output 2 Controller alarm 1 Controller alarm 2 AF1 main variable AF2 main variable AF7 main variable AF8 main variable AF1 temperature AF2 temperature AF7 temperature...
Page 70 12 Appendix Parameter Selection / value range factory setting setting Analog output 1 Signal selector Actual value of main variable / Temperature Continuous controller output 1 Continuous controller output 2 Signal type 0 - 10 V 0 - 20 mA 4 - 20 mA 10 - 0 V 20 - 0 mA...
Page 71 12 Appendix Parameter Selection / value range factory setting setting Response on error Low (0 V / 0 mA / 3.4 mA) High (10.7 V / 22 mA) Frozen Safe value Response in Hold mode Low (0 V / 0 mA / 3.4 mA) High (10.7 V / 22 mA) Frozen Safe value...
Page 72 12 Appendix TEMP. COMPENSATION LINEAR TEMP. COEF CURVE (non-linear) NAT. WATER (permissible temperature range 0 - 36°C as per EN 27 888) FUNCTION NO FUNCTION Alarm window AF1 MAIN VAR. Alarm window AF2 MAIN VAR. Limit function AF7 MAIN VAR. Limit function AF8 MAIN VAR.
Page 73 12 Appendix Trigger condition Trigger condition Pulse contact Pulse contact Pulse contact Pulse contact Triggering condition longer than Triggering condition shorter than pulse duration pulse duration Time Pulse duration Spacing Setpoint / Limit HySt Hysteresis Actual value / Measurement value MEAS.
Page 74 12 Appendix TREND The operator can quickly see the direction in which the measurement is changing. rising falling steady greatly medium slightly slightly medium greatly The measurement value trend is calculated over the last 10 measurement values. So with a sampling interval of 500 ms, the last 5 seconds are considered.
Page 75 12 Appendix Confirm the selection with To return to measuring mode: press the key repeatedly or wait for a "timeout". EXIT LOWER DISPLAY Operating mode Lower display Upper display The following values can be assigned to the "lower" display (2): This parameter is only available for the "NORMAL"...
Page 76 12 Appendix 12.2 Glossary Pulse width controller (output active with x > w and P control structure) 100% Switching period Process value X Proportional band X X - W Setpoint W If actual value x exceeds setpoint W, the P controller will control in proportion to the control deviation.
Page 77 12 Appendix Concentration The device can calculate the concentration of different mediums from the measurement current measurement values of uncompensated conductivity and temperature. Choice of concentration calculations: NaOH (caustic soda) - Range 1: 0 -12 % by weight (0 - 90°C) - Range 2: 20 - 50 % by weight (10 - 90°C) (nitric acid)
Page 78 12 Appendix The optional setup program is used to enter the requisite value table. Customized In this mode, the input value can be displayed in accordance with a table table (max. 20 value pairs). With this function, non-linear input variables can be displayed and linearized.
Page 79 12 Appendix Determining the temp. coef. curve Ref. Start Reference Temperature Calculating a γ temperature x 100 γ coefficient Reference α T - T Reference α = temperature coefficient (TC) γ = uncompensated measurement value Temp. coef. curve Start Temperature...
Page 80 12 Appendix Temperature The relevant temperature coefficient is determined from the temp. coef. curve compensation by means of the current temperature of the medium. with the temp. Intermediate values, such as (α at T ) between the two ascertained values (α coef.
Page 81 12 Appendix Wash timer Automated sensor cleaning can be implemented with the wash timer. This function is assigned to a switching output (1 or 2) for this purpose. The cycle duration (cleaning interval) can be set in the range from 1 to 240 hours.
Page 82 12 Appendix 12.3 Template for panel cutout 100.5 Note: 1. Fix template to panel. 2. Drill holes ( 4.5 mm and 10 mm dia.) 3. Cut out the section within the marked lines. 4. Deburr. In order to ensure the enclosure protection as per data sheet, the panel must be of adequate thickness and stability.
Page 83 13 Index Accessories Getting started Administrator Analog output HOLD mode Binary input Block diagram I-component switch-off Inputs Installation position Cable routing Instrument status Calibrating a conductive conductivity cell Non-linear temp. coefficient Relative cell constant MANUAL mode Temp. coef. curve MANUAL mode for analog outputs Temperature coefficient MANUAL mode for switching outputs Calibration enable...
Page 84 13 Index Reference symbols Setting examples Setup program Simulating the switching outputs Simulation mode Special controller function Special controller functions Special functions Sunlight Surface Surface mounting Switching output Temp. coef. curve Temperature compensation Conductivity Temperature input Warning symbols Wash timer Washing contact Weather protection roof...

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