Related Manuals for Grundfos AQC-D12
Summary of Contents for Grundfos AQC-D12
- Page 1 GRUNDFOS INSTRUCTIONS AQC-D12 Potentiostatic Measuring Cell, Compact Measuring Systems Installation and operating instructions...
-
Page 2: Table Of Contents
Symbols used in this document Description of preassembled systems with These complete installation and operating AQC-D12 Note instructions are also available on www.grundfos.com. Identification Nameplate, AquaCell 1. Symbols used in this document Type key, AquaCell Type key, preassembled systems... -
Page 3: Description Of Preassembled Systems With Aqc-D12
AQC-D11, P-AU-PCB-RCB, QS-T, H 314-306-10048 S/N: 07/44888 3,00 bar 95737669P11124563516 Fig. 4 Nameplate, AquaCell Fig. 1 AQC-D12 measuring cell with Conex DIA / DIS Pos. Description measuring amplifier and controller Type designation Model Serial number Maximum pressure [bar] Product number... -
Page 4: Type Key, Aquacell
3.2 Type key, AquaCell Example: -D11, AU-PCB-RCB, Model AquaCell AquaCell type Pressure-proof, with cleaning motor (Cl , ClO Pressure-proof, with hydromechanical cleaning (Cl , ClO Pressureless, with hydromechanical cleaning (Cl , ClO Pressure-loading valve With pressure-loading valve Without pressure-loading valve Electrodes for disinfection parameters Gold Platinum... -
Page 5: Type Key, Preassembled Systems
3.3 Type key, preassembled systems Example: -A D1 P -PCB -T W -H Measuring amplifier and controller DIA-1 Dosing Instrumentation Advanced with 1 input DIA-2 Dosing Instrumentation Advanced with 2 inputs DIA-2Q Dosing Instrumentation Advanced with 1 input + flow measurement Dosing Instrumentation Pool DIS-PR Dosing Instrumentation Standard for pH/ORP measurement DIS-D... -
Page 6: Description Of Aqc-D12
Should you require further information, or should problems occur which are not handled in sufficient depth in this manual, please contact Grundfos. 6. Applications The potentiostatic measuring cell AQC-D12 measures the X, G concentration of chlorine (Cl ) in the pH-range 4.5 to 8.2, chlorine... -
Page 7: Safety Information
8.1 General data – cable for measuring electrode, 2 m, with free cable end The AQC-D12 is a pressure-proof measuring cell with – water sensor with cable, 3 m, with free cable end. hydromechanical cleaning for recirculation of sample water. -
Page 8: Measuring Ranges
0.00 - 20.00 0.00 - 20.00 0.00 - 20.00* * Effective measuring range: 0.00 - 5.00 Preassembled system with DIP Fig. 7 AQC-D12 measuring cell [mg/l] [mg/l] [mg/l] [mV] -1500 - 0.00 - 0.50 0.00 - 0.50 0.00 - 0.50 0.00 - 14.00 +1500 0.00 - 1.00 0.00 - 1.00 0.00 - 1.00 2.00 - 12.00... -
Page 9: Installation
(V) is available with an adaptor for the measuring cell (Grundfos product number 99253231). • Provide possibilities to shut-off the sample water (U). You can use the Grundfos installation set 95727420 on the discharge side. 20 mm Fig. 11 Mounting sequence for preassembled systems... -
Page 10: Startup
10. Startup 10.1.3 Temperature sensor 1. Remove lock screw (C2), store for later use. 10.1 Installation of electrodes and sensors 2. Screw in Pt100 temperature sensor (C1) (optional). 10.1.1 Fitting of electrodes 1. Unscrew the plugs of the holders (A, B) to be used. 2. -
Page 11: Water Connections
10.3 Water connections 10.4 Preparing the electrode cable for connection to the measuring amplifier Warning Danger of injuries! Note The preassembled systems are prewired. At a pressure of more than 3 bar and if the measuring cell is not deaerated, the cell might burst. Warning Do not exceed the max. -
Page 12: Electrical Connections
37 38 39 40 41 42 15 17 19 21 23 25 27 29 31 33 35 AQC-D12 measuring cell The cables are not preconnected. See section Note 10.4 Preparing the electrode cable for connection to the measuring amplifier. -
Page 13: Checks Prior To Start-Up
10.7 Switching on 20 21 22 Observe the installation and operating instructions of Caution the measuring amplifier and the device controlled! 14 16 Warning At a pressure of more than 3 bar and if the measuring cell is not deaerated, the cell might burst. Ensure draining and deaeration. -
Page 14: Calibrating The Parameters Cl
4. Keep this value as a reference value. cal. cycle Observe the installation and operating instructions of Caution the photometer! 5. Select one of the defined buffer solutions ("GRUNDFOS", "DIN/NIST", "others"), and press [OK]. – The menu "temperature" is selected automatically. buffer GRUNDFOS... - Page 15 Measuring cell Lower limit Upper limit 6. Flush the electrode with water, and return to the measuring cell. AQC-D12 2.5 µA/ppm 70.0 µA/ppm 7. Go back to the menu "calibration" with [ESC]. • Press [OK] to acknowledge the error message and to return to Then calibrate the chlorine value.
-
Page 16: Operation
Free, active chlorine is considered as the total of molecular – Increased operating costs. chlorine gas (Cl ), hypochlorous acid (HOCl) and hypochlorite The AQC-D12 measuring cell is used for measuring the anions (OCl ). Dissolved chlorine gas in molecular form concentration of chlorine (Cl... -
Page 17: Operation
11.2 Operation 11.3.2 Long-term stop 1. Close and/or switch off the device controlled. 11.2.1 Switching on 2. Wait until the display of the measuring amplifier is at zero. See section 10.7 Switching on 3. Switch off the electricity supply to the measuring amplifier. 11.2.2 Operating state 4. -
Page 18: Fault Finding
11.5 Fault finding Observe the installation and operating instructions of Caution the measuring amplifier and controller! Fault Cause Remedy 1. No display. No electricity a) A disinfection or oxidation agent is missing in the Check the concentration by making a reference supply to the measuring sample water. -
Page 19: Maintenance
• Replace the electrodes. – Clean the pH electrode (A) and redox electrode (B). Place – Grundfos recommend to replace the reference electrode the protective caps onto the electrodes. and the redox or pH electrode after 12 months. – Carefully lay the cover (L) down to the side. - Page 20 12.3.3 Cleaning the measuring cell 12.3.4 Assembling the measuring cell • Required tools and aids: Only tighten screw parts by hand; do not use tools! – soap suds, diluted hydrochloric acid (5-10 %), water Caution Risk of leaking! Make sure that all O-rings are fitted –...
-
Page 21: Starting Up The Measuring Cell
External water filter for AQC, without ball valve 15. Disposal This product or parts of it must be disposed of in an environmentally sound way. Use appropriate waste collection services. If this is not possible, contact the nearest Grundfos company or service workshop. - Page 22 Grundfos declara, bajo su exclusiva responsabilidad, que los productos Nous, Grundfos, déclarons sous notre seule responsabilité, que les AQC-D11, AQC-D12, AQC-D13, AQC-D6, a los que hace referencia la produits AQC-D11, AQC-D12, AQC-D13, AQC-D6, auxquels se réfère siguiente declaración cumplen lo establecido por las siguientes cette déclaration, sont conformes aux Directives du Conseil concernant...
- Page 23 20th km. Athinon-Markopoulou Av. Phone: +55-11 4393 5533 Telefax: +64-9-415 3250 Turkey P.O. Box 71 Telefax: +55-11 4343 5015 GRUNDFOS POMPA San. ve Tic. Ltd. Sti. Norway GR-19002 Peania Gebze Organize Sanayi Bölgesi Bulgaria GRUNDFOS Pumper A/S Phone: +0030-210-66 83 400...
- Page 24 96681476 0419 ECM: 1260226 www.grundfos.com...