GHL KH Director Instruction Manual
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GHL KH Director Instruction Manual

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KH Director
Instruction Manual
Valid from Firmware-Version 1.00
As of 2018-02-19
®

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Summary of Contents for GHL KH Director

  • Page 1 KH Director ® Instruction Manual Valid from Firmware-Version 1.00 As of 2018-02-19...

  • Page 2: Table Of Contents

    ............................. 11 ONFIGURATION PTIONS 4.1.1 Operation with GHL Doser 2.1 Stand Alone ..................... 12 4.1.2 Operation with ProfiLux Aquarium Controller and GHL Doser Maxi Stand Alone ........12 PAB-D ..........................13 ONNECTION OF EVICES 4.2.1 What is the PAB ............................13 GHL C .........................
  • Page 3 Instruction Manual KH Director® ..........................34 ONTROL VIA DOSING PUMPS 6.1.1 Add-On control mode ..........................34 6.1.2 Adaptive control mode ..........................36 ..................... 37 ONTROL VIA REACTOR ALCIUM REACTOR MODE MEASUREMENT ACCURACY ..........................39 ? ..................39 HAT DOES THE MEASURING TOLERANCE MEAN IN PRACTICE ......................
  • Page 4 Please not that the KH Director does not have an internal controller and therefore requires for operation a ProfiLux 3 Aquarium controller with latest firmware (6.32 or newer), a ProfiLux 4 (7.10 or newer), a GHL Doser 2 (2.1) Stand Alone or GHL Doser Maxi Stand Alone both with firmware 1.27 or higher.

  • Page 5: Get The Most Out Of Your Ghl Product

    These and other helpful documents can be downloaded from our website’s download area (Support->Downloads). Visit our homepage at www.aquariumcomputer.com, our Support Forum or meet us on Facebook to become a GHL-Product expert and fully utilize the full range of functions offered from your device! 1 Safety Instructions Please read these instructions carefully before operating the KH Director.

  • Page 6: Safety Of Children And Vulnerable Persons

    • 1.2 Intended Use The KH Director is intended exclusively for use in the domestic area. KH Director may only be operated with GHL accessories. The KH Director may only be used to determine the KH value of aquarium water or pond water.

  • Page 7: General

    For your own safety, please look at the hazard prevention and safety instructions in the chapters that follow. 2 General 2.1 About this Manual These instructions apply to the KH Director. 2.2 Features 1 x pH Electrode port, BNC-socket •...

  • Page 8: Scope Of Delivery

    Insert • PAB connection cables are not included with the KH Director-only. The KHD-Sets do however, include a PAB-Cable for connecting the KHD to the included Doser. Please check to make sure all items are in perfect condition. In case of damage, immediately contact the dealer from whom you purchased the KH Director.

  • Page 9: Connection Overview

    A repair caused by this, is not covered under warranty and will • therefore incur repair charges. 3.2 Connection Overview The KH Director includes the following connection ports and displays: 3.2.1 pH Sensor Connection The white BNC socket is where the supplied pH-Electrode is connected. 2018-02-19...

  • Page 10: Pab-Ports

    Doser. Please note that the KH Director and the GHL Doser are operated with 24 V, ProfiLux on the other hand runs with 12 V. It is therefore not possible to tap the supply voltage for the KH Director from the ProfiLux.

  • Page 11: Activation

    To establish the power supply, the supplied Power supply splitter- • cable may only be connected to the KH Director and to the GHL Doser 2.1 (24 V consumer) and its power supply unit. Under no circumstances connect 12 V consumers (e.g. ProfiLux) to •...

  • Page 12: Operation With Ghl Doser 2.1 Stand Alone

    4.1.2 Operation with ProfiLux Aquarium Controller and GHL Doser Maxi Stand Alone The KH Director® is connected to the ProfiLux 3 (3.1, 4) or a GHL Doser Maxi Stand Alone and a GHL Doser 2 (2.1) Slave via the ProfiLux Aquatic Bus (PAB).

  • Page 13: Connection Of Pab-Devices

    4.2.1 What is the PAB PAB is an interference free CAN-Bus-System which allows for extremely secure data transfer between all PAB devices such as for example KH Director and GHL Doser 2.1. The range can be up to 100 m (300 FT).

  • Page 14: General

    Assign the KH Director to the respective controller. 4.4 Status Indicators of the KH Director The KH Director includes two status indicator lights which are located on the housing cover and the back of the device. These lights provide system status information at a glance.

  • Page 15: Pab Status Leds On The Back Panel

    Instruction Manual KH Director® 4.4.2 PAB Status LEDs on the Back Panel Located on the back panel of the KH Director are another two LEDs that provide information about PAB connection status and PAB communication status.. The upper yellow LED indicates proper communication within the PAB connection. The lower green LED provides information about the status of the PAB communication.
  • Page 16 Instruction Manual KH Director® The KH Director as well as its accessories are destroyed by excess moisture or excess atmospheric humidity - Please observe the technical data and notes below! To ensure maximum safety and operation, the following regulations must be followed! Failure to follow the safety guidelines will result in VOIDING your warranty.

  • Page 17: How It Works

    Instruction Manual KH Director® 4.6 How it works The 2 inlets and 1 outlet of the KH Director connect to 3 dosing pumps on the Doser 2 (2.1). These 3 pumps are then responsible for accurately transferring fluid to and from the KH Director.

  • Page 18: Selection And Assignment Of The Pumps

    If you have made or changed settings for your device via the GCC, • you must always save them using the "Save changes" button. For the measurement, three pumps of the GHL Doser 2.1 are required. As default, pumps 1-3 are preselected for the functions Water sample, Reagent and Waste water. 2018-02-19...

  • Page 19: Activation Of The Pumps

    WARNING Note the conveying direction: Pump 1 and 2 convey to KH Director. Pump 3 conveys from KH Director. 4.8 Activation of the Pumps 1. Set the pump speeds required for the KH measurement: Dose overview -> Dosing pump 1 (or the pump that is designated in your system for the KH measurement) ->...
  • Page 20 Instruction Manual KH Director® 2. Calibrate the selected pumps DANGER Please carry out the calibration carefully. • The pump calibration has a direct influence on the precision of the • measurement and control. The more precisely you perform the calibration, the more accurate •...

  • Page 21: Mounting The Tubes

    The Fill level is now displayed. 4.9 Mounting the Tubes You can place the KH Director and the GHL Doser 2.1 side by side or stack the devices. Please note that depending on the chosen mounting method you need different tube lengths between KHD and Doser.
  • Page 22 After connecting the tubes, the tube of the pump (here pump 2), which supplies the reagent liquid, must be vented. This can either be done manually using the buttons on the GHL Doser 2.1 or via the GCC under Manual dosing.
  • Page 23 The tube length to the reagent liquid must not exceed 50 cm / • 19,69”. If you detect air in the tubes, deaerate them again and then vent • the internal reagent tubing using KH Director -> Maintenance -> Vent internal reagent tube. 2018-02-19...

  • Page 24: How To Install The Ventilation Tube

    Instruction Manual KH Director® 4.9.1 How to install the ventilation tube The vent port on the back of the KH Director must also be tubed and connected to the Waste water container. WARNING The vent tube must never be positioned in a way that will allow it to suck-in water.

  • Page 25: Connecting The Ph-Electrode

    Before immersing the sensor in a calibration solution, the sensor • must be carefully dried with a dry, lint-free paper towel. Connect the pH-Sensor. If you have not already done so, check the check box for KH Director enabled and save the changes. 2018-02-19...
  • Page 26 Switch the automatic measurement back on (measurements per day larger 0) only after the pH electrode has been fitted correctly and watertight. Go to Probe/ sensor controls -> KH Director -> Maintenance -> and click the button Calibrate electrode. Start the calibration.
  • Page 27 Instruction Manual KH Director® Wait until the measurement is done. this can take up to 5 minutes. As soon as the calibration of the electrode to pH 4 has been completed, you will be asked to immerse the sensor in the...
  • Page 28 Instruction Manual KH Director® Wait for the completion of the calibration. Save the calibration values. 2018-02-19...

  • Page 29: Mounting The Ph-Electrode

    After 3 days without measurements, it is possible that the humidity in the measuring cell is insufficient and the electrode could dry out. If the KH Director should not carry out any measurements for more than 3 days, please remove the electrode and attach the supplied electrode protection cap to the electrode with approx.

  • Page 30: Carrying Out The Kh Value Measurement

    5 Carrying out the KH Value Measurement 5.1 Select Sample volume Select your desired sample volume to be used by KH Director for KH measurement. There are settings from 50 to 100 ml selectable. The default setting is 80 ml.

  • Page 31: Kh Value Measurement

    Instruction Manual KH Director® 5.3 KH value measurement A measurement can be started manually or automatically every day at certain times. Perform manual and automatic measurements only when the pH electrode is installed and the fitting is screwed tightly and watertight.

  • Page 32: Manual Kh Value Measurement

    Instruction Manual KH Director® Only pump fluids into the KH Director when the pH electrode is installed and the fitting is screwed tightly and watertight. In certain operating situations, it may happen that the measuring cell is not automatically emptied completely, as for example when canceling a measurement process.

  • Page 33: Daily Automated Measurement

    The more often you measure, the more reagent fluid will be consumed. • 5.4 Alarm The KH Director can monitor the measured KH value and, if necessary, display an alarm. To do this, activate the alarm monitoring and specify the Lower and the Upper limit for the 2018-02-19...

  • Page 34: Kh Value Control

    Instruction Manual KH Director® permissible KH value. If the measured value is outside these thresholds an alarm is displayed. If, for safety reasons, you wish to switch off the KH regulation in the event of an alarm, then check Deactivate control during alarm.
  • Page 35 Instruction Manual KH Director® If the setpoint has been exceeded by 1° dKH, the set single doses are reduced by the amount of Volume change (lower KH). For other control differences than 1° dKH the quantity change will be calculated proportionally.

  • Page 36: Adaptive Control Mode

    Instruction Manual KH Director® 6.1.2 Adaptive control mode In this mode, the individual doses of the dosing pumps involved are influenced by the percentage variation of the dosing quantities (volume change in%). First, select the dosing pumps that are to be influenced depending on the KH value (maximum 5).

  • Page 37: Control Via Reactor: Calcium Reactor Mode

    Instruction Manual KH Director® KH actual value Calculated volume change for pump 6 per single dosing 7,5° dKH +10 % = 220 ml 8,0° dKH +5 % = 210 ml 8,5° dKH 0 % = 200 ml – no change, KH value fits 9,0°...
  • Page 38 Instruction Manual KH Director® If the KH actual value is too high by 1° dKH, then the pH setpoint is increased by this value. Limit for raise KH (in pH) • If KH is too low: This can be used to set how much the pH value can be reduced at maximum.

  • Page 39: Measurement Accuracy

    Instruction Manual KH Director® 7 Measurement accuracy The KH Director gives you the best possible accuracy for a measuring device of this class. In lengthy and time-consuming trials, the measurement process, the measurement electronics and the mechanical design have been optimized to such an extent that the KH Director can supply very precise measurement results.

  • Page 40: Comparison With Other Kh Measurements

    0.1 ° dKH. 7.3 Conclusion Every measurement is subject to tolerances, yet the KH Director delivers a high degree of precision when used carefully. For effective measurement and control (if used) we recommend the following: 1.

  • Page 41: Additional Information

    "Transmit from file to GHL Device". For the update, you need the latest firmware and the PC program GHL Control Center, both of which can be downloaded free of charge from our homepage www.aquariumcomputer.com...

  • Page 42: Technical Data

    Instruction Manual KH Director® 11 Technical Data Input voltage 24 VDC Operating temperature: 0°C - 40°C / 32°F – 104°F Environmental conditions Humidity: Max 80% rel. Humidity non-condensing Current consumption 200 mA max. 220 mm (8.66”) x 150 mm (5.9”) x 75 mm (2.95”) (without pH...

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