Endress+Hauser Chloromax CCS142D Operating Instructions Manual
Digital sensor with memosens technology for measurement of free chlorine
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Summary of Contents for Endress+Hauser Chloromax CCS142D
- Page 1 Operating Instructions Chloromax CCS142D Digital sensor with Memosens technology for measurement of free chlorine BA419C/07/en/08.07 71038085...
- Page 2 Brief overview This explains how to use these Operating Instructions to commission your sensor quickly and safely: Safety instructions → ä 4 General safety instructions → ä 5 Explanation of warning symbols Æ Installation → ä 7 Installation conditions such as the sensor dimensions are illustrated here. →...
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Page 3: Table Of Contents
Installation accessories ....23 Transmitter ..... . . 23 Endress+Hauser... -
Page 4: Safety Instructions
The sensor has been designed and tested according to the state of the art and left the factory in perfect functioning order. Relevant regulations and European standards have been met. As the user, you are responsible for complying with the following safety conditions: • Installation instructions • Local prevailing standards and regulations. Endress+Hauser... -
Page 5: Return
This symbol indicates important items of information. 1.5.2 Document symbols È ä This symbol indicates a cross reference to a defined page (e.g. p. 1). È å 2 This symbol indicates a cross reference to a defined figure (e.g. fig. 2). Endress+Hauser... -
Page 6: Identification
• The packaging material used to store or to transport the product must provide shock protection and humidity protection. The original packaging offers the best protection. Also, keep to the approved ambient conditions (see "Technical data"). • If you have any questions, please contact your supplier or your sales center responsible. Endress+Hauser... -
Page 7: Installation Conditions
Other angles are not permissible. Do not install the sensor overhead. Note! Make sure you comply with the instructions for installing sensors. You will find them in the Operating Instructions for the assembly used. Endress+Hauser... - Page 8 Installation CCS142D 3.2.2 Dimensions Ø 25 (0.98) Ø 31 (1.22) mm (inch) a0007386 Fig. 2: Dimensions Endress+Hauser...
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Page 9: Installation
Fig. 3: Measuring system Liquiline CM44 transmitter with weather protection cover Power supply line for transmitter CCS142D chlorine sensor Flowfit CCA250 assembly Inlet to assembly (outlet on rear, not shown in graphic) CPS71D pH sensor CYK10 measuring cable Endress+Hauser... -
Page 10: Post-Installation Check
Additional installation instructions can be found in the Operating Instructions for the assembly. Post-installation check • Check the membrane for leak tightness und replace it if necessary. • Is the sensor installed in an assembly and is not suspended from the cable? Endress+Hauser... -
Page 11: Wiring
• You must connect shielded connections and terminals with functional earth ()) (there is no protective earth (*) for plastic housings). CM44 CYK10 Sensor – Com A Com B a0005704 a0007223 Fig. 5: Wiring diagram Fig. 4: View in device (sensor module) Endress+Hauser... -
Page 12: Connection Via Junction Box
Are all the screw terminals properly tightened? Are all the cable entries installed, tightened and sealed? For lateral cable entries: cable loops downwards for water to be able to drip off. Are all the cable entries installed downwards or lateral? Endress+Hauser... -
Page 13: Function
– cathode embedded in plastic – temperature sensor • Membrane cap with – robust PTFE membrane – special support grid between cathode and membrane for a specified and constant electrolyte film and thus a relatively constant indication even at varying pressures and flows Endress+Hauser... -
Page 14: Operating Principle
(Fig. 8). For example, if the amount of hypochlorous acid is 97% at pH 6, it drops to about 3% at pH 9. Hypochlorous acid has a highly disinfecting effect in an aqueous solution but the disinfecting effect of hypochlorite is extremely low. Therefore, chlorine is not suitable as a disinfecting agent at high pH values. Endress+Hauser... - Page 15 4 to 9. For this calculation, the curve shown in Fig. 8 is stored in the transmitter. Note! When free chlorine is measured with the pH compensation function on, always perform calibration in the pH-compensated operating mode. Endress+Hauser...
- Page 16 Therefore the temperature should remain constant after calibration of the chlorine measuring point or a recalibration must be performed if the temperature has changed. Since chlorine measurement by Chloromax CCS142D with Liquiline M includes automatic temperature compensation, the temperature does not need to remain constant and recalibrations after temperature changes are not required.
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Page 17: Commissioning
DPD method. Chlorine reacts with diethyl-p-phenylenadiamine (DPD) by producing a red dye, the intensity of the red color being proportional to the chlorine concentration. The intensity of the red dye is measured by a photometer (e.g. CCM182, see accessories) and displayed as chlorine concentration. Endress+Hauser... -
Page 18: Maintenance
• Refill the sensor with electrolyte once per season or every 12 months. Depending on the chlorine content on site, this period can be reduced or extended (see section "Refilling the electrolyte"). • Calibrate the sensor when necessary (see section "Calibration"). Endress+Hauser... -
Page 19: Cleaning The Sensor
3. Remove the membrane cap (pos. 2) and replace it by a CCY14-WP replacement cartridge. 4. Refill the measuring chamber with CCY14-F electrolyte (see section "Refilling the electrolyte"). a0008169 Fig. 9: Membrane replacement Measuring chamber Membrane cap Screw cap Endress+Hauser... -
Page 20: Refilling The Electrolyte
• Rinse the measuring chamber and electrode shaft with cold water and let them dry. • Screw the sensor down loosely and not to the stop so that the membrane remains unstressed. • Proceed according to chapter "Commissioning" when recommissioning the sensor. Endress+Hauser... -
Page 21: Regenerating The Sensor
Fill the beaker with chlorine bleach liquor to about 10 mm (0.39") and position it safely. " Caution! The sensor must not touch the liquid. Place the sensor in the gaseous phase about 5 to 10 mm (0.2" to 0.39") above the chlorine bleach liquor. Endress+Hauser... - Page 22 – If the recommended current value cannot be reached, cover the beaker to avoid quick air change. After the 20 min. have elapsed, re-install the sensor in the assembly. 10. Re-establish the medium flow. The sensor current will normalize. 11. After sufficient settling time (no noticeable drift), calibrate the measuring chain. Endress+Hauser...
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Page 23: Accessories
• Ordering acc. to product structure, see Technical Information TI166C/07/en Transmitter Liquiline M CM44 • Four-wire transmitter for determining chlorine and pH value • For connecting digital sensors with Memosens technology • Power supply 24 V DC • For non-hazardous areas • Order no. 71040315 Endress+Hauser... -
Page 24: Maintenance / Calibration
If the value measured by the sensor differs significantly from that of the DPD method, first consider all possible malfunctions of the photometric DPD method (see Operating Instructions of the photometer). If necessary, repeat the DPD measurement several times. Endress+Hauser... - Page 25 Replace membrane cap. Measure voltage between the PMC pin and Display fluctuates the protective ground of the transmitter (both considerably External voltage in medium AC and DC ranges). For values exceeding approx. 0.5 V, find and eliminate external cause. Endress+Hauser...
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Page 26: Return
Maximum measured error 1 % of measured value Repeatability • Sensor: ± 1% • Reference method: depending on version Note! Calibration standards do not have long-term stability. Nominal slope CCS142D-A: -25 nA per mg/l CCS142D-G: -80 nA per mg/l Endress+Hauser... -
Page 27: 10.3 Environment
Chlorine measurement possible up to pH 9 with limited accuracy. Pressure Medium in the CCA250 assembly: max. 1 bar (14.5 psi) Flow volume in the CCA250 assembly: min. 30 l/h (8 US.gal./h) Flow velocity min. 15 cm/s (0.5 ft/s) Endress+Hauser... -
Page 28: 10.5 Mechanical Construction
0.5 kg (1.1 lb.) Sensor shaft: Membrane: PTFE Materials Membrane cap: PBT (GF 30), PVDF Cathode: Gold Anode: Silver / silver chloride Cable connection Memosens plug-in head, connection via CYK10 Memosens data cable Cable length max. 100 m (328 ft) Endress+Hauser... -
Page 29: Index
Temperature compensation ....28 Temperature range ..... . . 27 Endress+Hauser... - Page 30 CCS142D Transmitter......23 Transport ....... 6 Troubleshooting .
- Page 31 Declaration of Hazardous Material and De-Contamination Please reference the Return Authorization Number (RA#), obtained from Endress+Hauser, on all paperwork and RA No. mark the RA# clearly on the outside of the box. If this procedure is not followed, it may result in the refusal of the package at our facility.
- Page 32 www.endress.com/worldwide BA419C/07/en/08.07 Printed in Germany / FM+SGML 6.0 / 71038085...
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