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Foxcroft Equipment & Service, Co. Inc.

Model FX-1000p

Amperometric Chlorine Residual Analyzer

Instruction Manual

The FX-1000p Amperometric Chlorine Analyzer includes an instruction manual that contains important

information about its operation. Purchasers who install this analyzer for use by others must leave this

instruction manual or a copy with the user.

Every effort has been made to ensure the accuracy of this document at the time of printing. In accordance with the

company’s policy of continuous product improvement, Foxcroft reserves the right to make product changes without notice.

No liability is accepted for any consequential losses, injury or damage resulting from the use of this document or from any

omissions or errors herein.

Warning!

Please Read Carefully and Save.

Содержание FX-1000p

Страница 1: ...leave this instruction manual or a copy with the user Copyright 2012 FOXCROFT Every effort has been made to ensure the accuracy of this document at the time of printing In accordance with the company...

Страница 2: ...MBING 11 1 7 ELECTRICAL 14 2 STARTUP 21 2 1 Buffer Feed Pump Tube Selection 21 2 2 Preparing Buffer Solution 22 2 2 Preparing Copper Electrode 24 2 3 Preparing System for Calibration 25 3 CALIBRATION...

Страница 3: ...nt 38 5 5 Mixer Gap Adjustment 40 5 6 PREVENTIVE MAINTENANCE KIT 41 6 AUXILIARY KI PUMP 46 6 1 Total Chlorine 46 6 2 Installation of Auxiliary KI Pump 46 7 PARTS LISTING 48 7 1 Electronics 48 7 2 Ampe...

Страница 4: ...stored for long periods at temperatures above 120 F 49 C This measurement system must be installed by specially trained personnel in accordance with relevant local codes and instructions contained in...

Страница 5: ...m a well or reservoir The sample flows by gravity through the flow measuring cell and discharges to waste after measurement A peristaltic pump continuously injects a precise amount of 5 food grade dis...

Страница 6: ...Buffer Pump Measurement Cell Electronics Enclosure Figure 1 Figure 2 Introduction 6 FX 1000p...

Страница 7: ...splay indication Full Scale Response 1 5 to 2 0 minutes Sampling Sample Temperature Range 32 120 F 0 49 C Sample Flow Rate 150 1000ml min 500 ml min recommended Sample Cell Use 120 ml min fixed Sample...

Страница 8: ...ide of the enclosure and on the top of the base plate inside the enclosure The label on the outside of the enclosure indicates the chlorine residual range Should technical assistance be required refer...

Страница 9: ...slightly below the height of the peristaltic pump mechanism Do not mount the vinegar bottle higher than the peristaltic pump mechanism This could lead to atmospheric siphoning of the buffer which can...

Страница 10: ...o minimize chance of introducing air bubbles or sediment into the analyzer A sample valve upstream of the sample flow cell inlet tubing is required We suggest using a metering ball valve needle valve...

Страница 11: ...length clear flexible PVC drain lines to the overflow drain on the right side of the flow cell block and to the measuring cell drain on the left side Route the hoses down to maintain gravity feed int...

Страница 12: ...Clean Water Application Dirty Water Application Figure 10 Figure 11 Installation Plumbing Reservoir Application Figure 12 12 FX 1000p...

Страница 13: ...Carbon Filter Installation Figure 14 Non Continuous Flow Application Figure 13 Installation Plumbing 13 FX 1000p...

Страница 14: ...conduit connections Grounding must be provided as part of the installation Electrical Connections Make electrical connections to terminal strips located on the bottom circuit board in the enclosure T...

Страница 15: ...Output 4 20mA The isolated 4 20mA output signal is provided at terminals on TB 1E This output can drive a load of up to 600 ohms Connect the load device matching polarity as indicated NOTE Do not run...

Страница 16: ...are not powered The line power used to power the system may also be used to power the alarm or control devices with these relay contacts Always check control wiring to ensure that line power will not...

Страница 17: ...l Devices Connecting a Chart Recorder 4 20 mA Signal Recorder must be configured for 4 20mA input signal See Model FX 4300 instruction manual Figure 20 Electrical Schematic Figure 21 Installation Elec...

Страница 18: ...cting a Telephone Dialer High Alarm Status Signal Figure 23 Electrical Schematic Installation Electrical Low Alarm Status Signal Figure 22 See Model FX 1104 or Model FX 1108 instruction manuals 18 FX...

Страница 19: ...necting a Metering Pump 4 20 mA signal 4 20 mA signal 4 20 mA signal 4 20 mA Out FX 8500 Single Loop Controller Metering Pump Figure 24 Electrical Schematic Figure 25 Installation Electrical 19 FX 100...

Страница 20: ...ound Loop Control System 4 20 mA signal 4 20 mA signal 4 20 mA signal 4 20 mA Signal Chlorine Control Valve FX 8500 Compound Loop Figure 26 Flow Meter Electrical Schematic Figure 27 Installation Elect...

Страница 21: ...fer tube holder and around the three rollers on the buffer pump The tubing should be centered front to rear on the rollers Gently pull both ends of the tubing to remove any slack 4 Close the curved oc...

Страница 22: ...inated during the distillation process Therefore Do not use any other food grade vinegar or flavored vinegars they will introduce a chlorine demand to the sample cell and thus provide inaccurate measu...

Страница 23: ...f vinegar and potassium iodide at a time and never premix Once the potassium iodide crystals are mixed with white distilled vinegar the potassium iodide has a limited life of no more than 7 days per g...

Страница 24: ...polished to a bright metal shine to obtain a strong measuring signal and accurate readings During normal system operation with sample flowing the process chlorine vinegar buffering agent and scrubber...

Страница 25: ...e sure that water is flowing from the sample cell drain on the left hand side of the block Minimum flow should be about 130 ml min 4 Locate the master switch and mixer switch and set both switches to...

Страница 26: ...FX 1000p display reads 0 00 ppm 0 01 ppm 5 Wait 10 minutes and recheck the ZERO setting If necessary re adjust the ZERO control to 0 00 ppm reading 0 01 ppm Establishing a proper ZERO set is the key...

Страница 27: ...orking range This will leave room to go up if necessary on any future calibration adjustments Counterclockwise up Clockwise down Example if the new analyzer range is 0 1 00 ppm and the actual residual...

Страница 28: ...ion it will remain there Switches two through four remain in the Off position to the right 3 After determining the actual chlorine residual with an accurate chlorine residual test instrument adjust In...

Страница 29: ...Special Configurations Range Control VR 7 Alarm Control VR 10 Coarse Adjustment VR 3 Input Range Adjustment VR 4 TP 1 TP 2 VR 1 VR 2 Figure 37 Trimmer Locations 29...

Страница 30: ...value 2 Locate the block of four DIP switches S 1 see Figure 38 page 31 and set the switches to these settings Switch Setting High switch on left position Low switch off right position Set switch on...

Страница 31: ...g procedure A change from 0 5 00 ppm to 0 2 00 ppm would not need a decimal shift but would need the re ranging procedure see page 33 Regardless of the range change even if it s only a shift in the de...

Страница 32: ...rd Refer to Figure 39 below and move the yellow jumper to the appropriate pin position Please note the orientation of the display in the photo below With the display installed in the analyzer the yell...

Страница 33: ...read 20 00 mA on a digital milliamp meter wired in series with the FX 1000p analog output signal The milliamp method ensures an accurate output calibration to the new analyzer range 3 Adjust the range...

Страница 34: ...erminals if there is no existing connection to the output signal 3 Adjust the ZERO trimmer VR 1 so that the output is exactly 4 00mA clockwise 4 If the display is not showing exactly 0 00 make the app...

Страница 35: ...ed Please note that the copper negative cell will erode more rapidly as free chlorine residual increases and will therefore require more frequent replacement A higher erosion rate can also occur in co...

Страница 36: ...e For Drinking Water Applications PLEASE NOTE When maintenance is performed the accuracy of the analyzer must be verified with a grab sample comparison after the analyzer is placed back in service The...

Страница 37: ...E Do not use any commercial abrasive cleaning powders or liquid as they contain chlorine and will leave a residual coating that will adversely affect system performance NOTE If the copper electrode ri...

Страница 38: ...power supply board TB 1B Note the wiring color and placement in the terminal strip 4 Remove the two extended brass nuts that hold the motor to the PVC mounting block 5 Remove the old motor with groun...

Страница 39: ...Peristaltic Pump Motor With Coupling 1 16 Gap Required Figure 45 Pump Motor Brass Cap Nuts Figure 46 TB 1B Pump Wiring Figure 47 Maintenance 39 FX 1000p...

Страница 40: ...ms These same symptoms can also be caused by a worn copper ring where the wall thickness has diminished such that the mixing balls get jammed between the side of the mixer and the inside wall of the c...

Страница 41: ...150 ct 119 0371 0001 1 5 2 O ring 14 129 0014 0001 1 6 4 O ring 12 129 0012 0001 1 7 1 Mixer 168 0242 0121 3 8 1 Negative cell copper electrode 159 0263 0001 2 9 1 Vinegar bottle cap 177 1828 0009 1 1...

Страница 42: ...bottom block together with the copper electrode ring down from the top block Figure 52 This should help prevent losing any of the 150 small PVC mixing balls contained within the copper ring electrode...

Страница 43: ...ts Do not use chlorinated cleansers 16 Check the positive electrode gold and clean with a soft cloth not an abrasive cleaning pad or sandpaper if needed Do not loosen or remove the electrode If the O...

Страница 44: ...Making sure the item 3 O ring in the lower block is in place place the lower block onto the negative cell push the block down until the negative cell and flow nozzle are seated with the upper block T...

Страница 45: ...ose the curved occlusion ring over the tubing slightly compressing the tubing onto the pump rollers Secure the ring by finger tightening the knurled head screw 18 Place the tube stop collars onto the...

Страница 46: ...with temperature and light exposure In the higher concentrations required for measuring 20 ppm or more the mixture tends to have an even shorter life Instead of mixing the KI into the vinegar it is m...

Страница 47: ...s onto the buffer tubing 12 Insert the white reduction connector fittings into the black buffer tubing They can be difficult to insert but do not use any lubricant on the white reduction connectors 13...

Страница 48: ...ower Supply 110V 356 1001 0122 2 1 Power Supply 220V 356 1220 0122 2 2 Display Board 356 0352 0122 2 3 Ribbon Interconnect Cable 356 1004 0001 2 4 Amplifier Board 356 1000 0122 2 5 Switches 2 required...

Страница 49: ...s 113 0472 0121 1 10 Buffer input fitting for 13 and 14 buffer tubing threaded and barbed elbow 130 0266 0014 2 11 Flushing plug double inlet with fittings O rings for second pump field kit 113 0472 0...

Страница 50: ...nting Block 158 0730 0121 1 4 Coupling with Setscrew for Peristaltic Pump 258 0700 0121 2 5 Buffer Tube Holder 257 1110 0121 2 6 Brass Cap Nut 142 1000 0002 2 7 4 40 x 3 4 Flat Slotted Machine Screw 2...

Страница 51: ...d KI Pump FX Datalogger Dilution Panel FX 1200 Chlorine Test Kits FX 4300 Recorders FX 8500 Chlorine Control Systems FX 1200 Chlorine Test Kits Figure 64 Figure 65 Figure 66 Figure 67 Figure 68 Figure...

Страница 52: ...sert it into sample flow inlet If a good flow starts then air bubbles are the issue Install flow regulator fitting supplied with the analyzer Proper Vinegar Feed Check the vinegar feed The analyzer sh...

Страница 53: ...can use a 100 grit emery cloth or a steel wool pad Do not use a Brillo or detergent pad If the analyzer has been in service for some time and there is a calcium buildup on the copper ring due to high...

Страница 54: ...lectrical grounding but some cases may require a different location for the analyzer Make sure that there isn t any interference from equipment located on the wall in the next room behind the analyzer...

Страница 55: ...voltmeter on test points TP 1 and TP 2 Turning the trimmer counter clockwise increases the voltage and clockwise decreases the voltage this is exactly opposite of the Std trimmer The analyzer is neve...

Страница 56: ...t be freight prepaid and include the following information 1 A clearly written description of the malfunction 2 Name of person to contact and the phone number where they can be reached 3 Proper return...

Страница 57: ...orized repair Buyer agrees to hold Foxcroft Equipment Service harmless from all claims for damages arising out of injury or death to any person or damage to any facility or any other property or loss...

Страница 58: ...FX 1000p Amperometric Chlorine Residual Analyzer Foxcroft Equipment and Service Co Inc 2101 Creek Road P O Box 39 Glenmoore PA 19343 Tel 800 874 0590 610 942 2888 Fax 610 942 2769 Email service foxcro...

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