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Operations and Maintenance Manual
Chlorine and Total Residual Oxidant Monitor
For Use in Hazardous Environments and Extended Reagent Life
Model CLX-Ex2 28034
IOM-HF-CLX Ex2-28920 Rev 4
WARNING
!
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information can
result in death, serious personal injury, property damage, or
damage to the equipment.
Keep this Manual for future reference.
IOM-HF-CLX Ex2-28920
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Table of Contents
Related Manuals for Watts HF scientific CLX-Ex2 Series
Summary of Contents for Watts HF scientific CLX-Ex2 Series
- Page 1 IOM-HF-CLX Ex2-28920 Operations and Maintenance Manual Chlorine and Total Residual Oxidant Monitor For Use in Hazardous Environments and Extended Reagent Life Model CLX-Ex2 28034 WARNING Read this Manual BEFORE using this equipment. Failure to read and follow all safety and use information can result in death, serious personal injury, property damage, or damage to the equipment.
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Page 2: Table Of Contents
Table of Contents 1.0 Safety ..................3 8.0 Instrument Configuration (CONFIG mode) ......... 13 1.1 Symbols Used in CLX-Ex2 ............ 3 8.1 Setting the 4-20 mA ............13 1.2 Use in Explosive Environments Safety ........3 8.2 Configuring the Error Level ........... 13 2.0 Overview .................. -
Page 3: Safety
1.0 Safety This manual contains basic instructions that must be followed during the commissioning, operation, care and maintenance of the instrument. The safety protection provided by this equipment may be impaired if it is commissioned and/or used in a manner not described in this manual. Consequently, all responsible personnel must read this manual prior to working with this instrument. -
Page 4: Overview
2.0 Overview The CLX-Ex2 Online Chlorine Monitor allows for the reading of chlorine In addition this instrument has vortex cooling. This instrument will levels of process water on-line. The CLX-Ex2 has been designed automatically control a connected compressed air line to lower the to meet the design criteria specified by Standard Methods for the temperature of one of the reagents, allowing the reagent an operating Examination of Water and Wastewater (21th Edition) Method 4500-Cl... -
Page 5: Unpacking And Inspection Of The Instrument And Accessories
2.5 The Touch Pad 2.2 Unpacking and Inspection of the Instrument and Accessories Figure 2 illustrates the touch pad. The touch pad has six buttons: PRIME, SERVICE, MODE/EXIT, , and The table below indicates the items included in the shipment. The MODE/EXIT button is used to cycle between the three operational modes of the instrument: CAL, CONFIG, and AUTO (Measurement) Item... -
Page 6: Theory Of Operation
3.0 Theory of Operation 3.2 The Air Sentinel Controller 3.1 The Measurement The Air Sentinel controller governs the power to the instrument. For The CLX-Ex2 has two solenoid valves, one for sample water (FLOW) normal instrument operation air needs to passes through fitting on and one for draining of the cuvette (PURGE). -
Page 7: Remote Standby
4.0 Installation and Commissioning 3.3 Remote Standby This feature will allow for remotely placing the instrument into a standby Prior to use for the first time, one of the reagents mode. This can be done to lower reagent usage while not performing (the indicator) will have to be mixed. -
Page 8: Plumbing
4.2 Plumbing 4.4.1 RS-485 The RS-485 half-duplex (2-wire) digital interface operates with differential The instrument is designed to require very little head pressure to operate, levels that are not susceptible to electrical interferences. This is why but will need around 0.34 bar (5 PSI). The maximum pressure for proper cable lengths up to 3000 ft can be implemented. -
Page 9: Rs-485/4-20 Ma Cable Ferrite
5.0 Air Sentinel Controller Operation 4.4.5 RS-485/4-20 mA cable Ferrite To meet IEC requirements for RF radiated immunity a clamp-on type The Air Sentinel controller is mounted on the side of the main enclosure. ferrite is supplied in the accessory kit. It should be placed on the RS- This controller will ensure proper safe operation of the CLX-Ex2. -
Page 10: Maintenance Bypass Operation
6.0 Operation 5.3 Maintenance Bypass Operation Under normal operation the Air Sentinel controller lamps will all be WARNING GREEN indicating safe operation. If the lamps are not GREEN, correct Use of the bypass key disables the safety features and safe this condition first. -
Page 11: Security Access Feature
6.4 The White LED These screens can be seen through the window of the CLX-Ex2 with the door closed, however to access the anything other than A white LED is used to illuminate the measurement cuvette for easy measurement screens requires that the instrument be placed in bypass viewing of the instrument operations. -
Page 12: Instrument Calibration
7.0 Instrument Calibration The instrument was tested prior to leaving the factory. The instrument 7.2 Zero (offset) Calibration Procedure operates from a pre-determined calibration curve for high accuracy Generally this calibration is only required if readings are expected to be of residual oxidant concentration. -
Page 13: Instrument Configuration (Config Mode)
8.0 Instrument Configuration (CONFIG mode) WARNING The next prompt will be the chlorine level assigned to the 20MA. Select the chlorine level using the and buttons. Once the desired level Only access when the atmosphere has been tested and known to has been set, press the ... -
Page 14: Configuring The Alarm
8.4 Configuring the Alarm 8.6 Extended Settings One relay is provided that are designed to operate as an independent The last settings are grouped together to prevent them from being programmable alarm or as a system problem alarm. Please note that adjusted by accident. -
Page 15: Lcd Backlight Brightness
In addition to averaging, the CLX-Ex2 has a software filter that limits 8.11 Cycle Time the change between consecutive readings to 20%. For example, The cycle time can be changed using this menu. Please note that the reading following a reading of 1.00 ppm could not be displayed changing this menu will directly affect the volume of reagent as higher than 1.20 ppm or lower than 0.80 ppm. -
Page 16: Ma Adjustment
9.0 Additional Features and 8.13 4mA Adjustment Options If the 4-20 mA setting is turned ON (8.1 Setting the 4-20 mA Output), the following two menus will appear. The first menu outputs a constant 4 mA while allowing for a small 9.1 RS-485 Outputs amount of adjustment. -
Page 17: Troubleshooting
10.0 Troubleshooting 10.2 Setting Flow Rate 10.1 CLX-Ex2 Fault Detection The flow rate on the CLX-Ex2 was factory adjusted and usually should WARNING not need adjustment. Installation variances may affect the flow. The optimal flow rate through the CLX-Ex2 may be adjusted if needed. Only access when the atmosphere has been tested and known to The flow is adjusted by removing regulator vinyl cap and turning the be safe. -
Page 18: Diagnostic Chart
11.0 Routine Maintenance 10.5 Diagnostic Chart WARNING Symptom Cause Cure Only access when the atmosphere has been tested and known to Lower display shows MA 4-20 mA loop open Check wiring. See sections be safe. 4.4.4 and 8.1 Please note that to perform these maintenance Lower display shows FAIL Major system fault Refer to section 10.1... -
Page 19: Replacing Or Installing The Reagents
Pump Tubing Replacement T-Strainer Cleaning The black pump tubes may need replacement more often due to the The T-strainer is integral to the fact that they are subject to wear. The inline check valves should not instrument and must be checked need to be replaced and should be saved. -
Page 20: Indicator Reagent Preparation
11.3 Indicator Reagent Preparation 11.5 Instrument Storage Remove the cap of the small liquid indicator reagent and add the If the CLX-Ex2 is relocated or will be inactive for long contents of the DPD powder bottle (small brown bottle). Cap and shake periods of time (several months), remove the reagents. -
Page 21: Accessories And Replacement Parts List
12.0 Accessories and Replacement Parts List The items shown below are recommended accessories and replacement parts. Accessory Catalog Number Photo Reagent Kit – Total Chlorine 12 month supply 09991 Air Sentinel Purge Control Operating Manual 28749 (N/A Operating Manual CLX-Ex2 28920 Tubing/Cuvette Kit 09950EX... - Page 22 12.0 Accessories and Replacement Parts List (Cont’d) The items shown below are recommended accessories and replacement parts. Accessory Catalog Number Photo Check Valve Flushing Kit 25096 T-Strainer/ Pressure Regulator Assembly 25357 Replacement T-Strainer Screen 28625 Water Intake Assembly 28411 To order any accessory or replacement part, please contact the HF scientific Customer Service Department. If for any reason technical assistance is needed regarding this instrument, please do not hesitate to contact the HF scientific Technical Services Department.
- Page 23 Notes _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...
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Page 24: Ballast Water Market Products Limited Warranty
13.0 Ballast Water Market Products Limited Warranty Watts Regulator Co. (the “Company”) warrants each ballast water market instrument product to be free from defects in material and workmanship under normal usage for a period of two (2) years from first use or three (3) years from date of the Company’s invoice from the original sale of the product, whichever occurs first.