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*3-463X.090*

3-4630.090   Rev M   04/15

Signet 4630 Free Chlorine Analyzer System

Signet 4632 Chlorine Dioxide Analyzer System

CAUTION!

1.  Follow instructions carefully to avoid personal injury.

2.  Do not exceed the maximum pressure or temperature speci

fi

 cations.

3.  Mounting the Chlorine System in an outdoor box, in areas with elevated temperatures, 

may cause damage to the system if the enclosure's internal temperature exceeds the 

temperature speci

fi

 cation of the Chlorine Analyzer.

4.  Do not alter product construction.

5.  For use with clean fresh water only.

6.  Disconnect AC power before opening wiring enclosure.

7.  This panel system uses AC voltages. Wiring should be done by quali

fi

 ed personnel only.

Signet

Chlorine Analyzer

The Signet 4630 and 4632 Systems are EPA 334.0 Compliant.

English

Operating Instructions

The Signet Chlorine Analyzer Systems are integrated, all-in-one chlorine panel systems 

designed to measure Free Chlorine or Chlorine Dioxide in drinking water and clean, fresh 

water treatment applications.

This manual includes the 4630 Free Chlorine and 4632 Chlorine Dioxide Analyzer Systems.

Features:

•  EPA 334.0 Compliant: The 4630 Free Chlorine and 4632 Chlorine Dioxide systems can 

be used for reporting chlorine residuals in accordance with EPA Method 334.0.

•  Complete chlorine analyzer system allows quick setup and easy installation. Connect 

to a water source and plug it in.

•  Unique integrated clear 

fl

 ow cell combines sensors, 

fl

 ow regulator, 

fi

 lter and variable 

area 

fl

 ow indicator in one compact unit.

•  Built-in variable area 

fl

 ow indicator facilitates 

fl

 ow rate con

fi

 rmation at a glance.

•  Integrated 

fl

 ow regulator with removable 

fi

 lter accepts inlet pressures of 1 to 8 bar 

(15 to 120 psi) while maintaining constant 

fl

 ow and minimal pressure to the sensors.

•  Water 

fl

 ows vertically into sensor tip, eliminating bubble entrapment. Raised exit in 

fl

 ow 

cell sensor chamber ensures sensors stay submerged even when system and 

fl

 ow is 

turned off. 

•  Flow cell accommodates two sensors; one chlorine and an optional pH sensor.

•  Automatic pH and temperature compensation or manual pH value input capability for 

accurate free chlorine readings.

•  Easy viewing of the transmitter via the bright backlit LCD display.

•  Moisture-proof NEMA 4X wiring enclosure.

Additional information can be found in the individual product manuals, 

refer to www.gfsignet.com. 

Click on Product Manuals under the Signet Quick Links section.

  Description

  Safety

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Summary of Contents for Signet 4630

Page 1: ...The 4630 Free Chlorine and 4632 Chlorine Dioxide systems can be used for reporting chlorine residuals in accordance with EPA Method 334 0 Complete chlorine analyzer system allows quick setup and easy...

Page 2: ...onal Protective Equipment PPE Always utilize the most appropriate PPE during installation and service of Signet products Pressurized System Warning Sensor may be under pressure take caution to vent sy...

Page 3: ...Rating 1 to 8 bar 15 to 120 psi Pressure Regulator 0 69 bar 10 psi variation over all ranges of flow and pressure Flow tolerance 15 or rated specification above Flow rate limits 8 to 12 gph US 30 24 t...

Page 4: ...Manual pH compensation If optional pH sensor is installed see page 22 to complete pH Sensor Calibration Step 7 Repeat step 5 and 6 if the optional pH sensor is being used Step 8 Install the influent...

Page 5: ...low rate indicator Flow range limits Flow regulator with strainer Inlet port Drain port 3 8 inch hose Sampling port pH sensor electronics 3 2750 7 159 001 671 pH electrode 3 2724 00 159 001 545 Quick...

Page 6: ...Flat washer Disc spring curved washer Knurled thumb nut 1700 2512 Flow cell bolt 2490 0554 Included in kit 3 4630 390 Item Quantity Flow cell nut 6 Flat washer 15 Disc spring 9 Knurled thumb nut 3 Flo...

Page 7: ...the panel according to local electrical building and or plumbing codes and seismic requirements Use four 6 mm in diameter screws or bolts of sufficient length to mount the panel to a sturdy vertical...

Page 8: ...Wiring Open the electrical box by loosening the four corner screws of the front cover Insert input power wiring into the pre drilled access hole on the left side of the electrical box using appropriat...

Page 9: ...transmitter Recommended torque for the terminals is 7 lb in Do not run 4 to 20 mA loop cables in the same conduit as the power or other high voltage wiring Remove one installed jumper wire from both o...

Page 10: ...net Chlorine Sensor Electronics 3 2650 7 159 001 670 10 9 8 7 6 5 4 3 2 1 GND 10 9 8 7 6 5 4 3 2 1 GND NO COM RELAY 2 NC NO COM RELAY 1 NC LOOP 2 LOOP 2 LOOP 1 LOOP 1 EARTH GROUND Black White Yellow R...

Page 11: ...quire different electrolyte solutions 2630 Free Chlorine Electrode 2632 Chlorine Dioxide Electrode NOTE Inspect and change the membrane cap if damaged See page 36 Maintenance for cleaning procedure A...

Page 12: ...e flow cell DryLoc Connection to Sensor Electronics Locking Ring Locking Ring Lock Lock 3 2724 00 159 001 545 pH electrode 3 2630 X FCL electrode 3 2750 7 159 001 671 pH electronics 3 2650 7 159 001 6...

Page 13: ...sitioned lower than the influent water source to allow proper flow through the flow cell The flow cell must drain by gravity not system pressure When testing allow the sample to flow for a few seconds...

Page 14: ...the previous operating display When editing the CALIBRATE or OPTIONS menus the transmitter will return to the default display after 10 minutes and then the VIEW menu in another 10 minutes if no activi...

Page 15: ...ering the Key Code the display will show the first item in the selected menu Step 3 Scroll the menu in a loop with the or arrow keys Step 4 Press the key to select the menu item to be edited The first...

Page 16: ...active during editing Only the flashing element can be edited Press ENTER to save the new value When you have set your desired value pressing the ENTER key stores the value on the screen making it imm...

Page 17: ...maximum values for the current loop output Units are derived from Loop 1 Source If the Source 1 is changed be sure to re edit this page Loop 2 Source pH Choose pH or chlorine for this 4 to 20 mA curre...

Page 18: ...Range Relay1 Rng ppm 0 00 5 00 Enter the range where Relay 1 will activate above and below this setpoint Relay1 PlsRate 120 pulses min Set the maximum pulse rate Range 1 to 400 pulses min Relay 1 Mod...

Page 19: ...o Last Cal 10 18 09 Edit the calibration date End of Calibrate Menu Relay 2 Rng ppm 0 00 5 00 Enter the range where Relay 2 will activate above and below this setpoint Relay 2 Hys 0 20 ppm This relay...

Page 20: ...OWN keys to manually output any current value from 3 6 mA to 21 00 mA to test Loop 1 output Test Loop 2 Press UP or DOWN keys to manually output any current value from 3 6 mA to 21 00 mA to test Loop...

Page 21: ...of operation Low High C xxxx x xxxx x Lowest and highest temperatures the Cl sensor has been subjected to during operation Test Relay 1 Press UP or DOWN keys to manually toggle Relay 1 Off and On The...

Page 22: ...5 prior to initially installing the sensor and during its normal lifetime If a pH sensor is not available but pH determination is necessary measure process pH with a separate test and enter the value...

Page 23: ...nse it in distilled water 2 Place the pH sensor in a different buffer solution example pH 4 01 The pH standard and slope must be at least 2 pH units apart 3 Note the pH and mV readings on the View Men...

Page 24: ...int E X A M P L E ENTER ENTER Chlorine Sensor Calibration Zero Point Calibration Zero Point Calibration is only used at the factory to program the sensors zero calibration point This value does not sh...

Page 25: ...nd relay functions if applicable NOTE The current and relay outputs can be tested in the Options Menu Current Loop Settings Current outputs are passive outputs that can be spanned in the forward and r...

Page 26: ...l The output will be 100 pulses minute when the input value is 1 or less The starting point endpoint and maximum pulse rate are selectable in the CALIBRATE menu Mechanical Relay Functions The 8630 rel...

Page 27: ...11 Scroll down to the Relay 1 Hys menu 12 Press to enter Edit Mode 13 Set the hysteresis dead zone for this relay This affects the turn off only 0 3 ppm 14 Press Enter 15 Scroll down to the Relay 1 D...

Page 28: ...lorine Gnd I O V 18 17 16 Signal Ground Digital S3 L data 5 VDC White Red Black Shield pH Signet 3 2750 7 159 001 671 N C 8630 Chlorine Gnd I O V 15 14 13 Signal Ground Digital S3 L data 5 VDC White R...

Page 29: ...moval a Disconnect flow through system b Drain below sensor level 3 Confirm chemical compatibility before use 4 Do not alter product construction These electrodes require the Signet 2650 Amperometric...

Page 30: ...e is 7 0 and the pH variation is 0 2 then automatic pH compensation is not required pH variation 6 5 7 0 7 5 8 0 8 5 9 0 0 0 3 0 1 0 2 Sample pH Automatic pH compensation recommended in ranges within...

Page 31: ...ng with chemicals or solvents 4 Place a Lockout tag on the pipe when the sensor is removed for maintenance to prevent accidental opening and exposure to potentially hazardous chemicals Lubricate O rin...

Page 32: ...buffer solutions from the electrode Dispose of all buffer solutions at the end of the day If the pH sensor will not calibrate within acceptable limits clean the electrode and recalibrate If the calibr...

Page 33: ...for the application be used during the reassembling of the ow cell Maintenance 463X Chlorine Analyzer Flow Cell CAUTION Over time a sensor can get tight in the flow cell fitting When removing the sens...

Page 34: ...for special O ring fitting instructions Butt all O ring joints together so there is no gap Remove the O rings during flow cell disassembly Both the O rings and all sealing grooves should be examined f...

Page 35: ...shers and nuts 7 Install the assembled pressure regulator and the two round O rings into the flow cell 1 Install the four O ring segments 2 Insert the center bolt into the block 3 4 Align and place th...

Page 36: ...olution Slowly fill until solution begins to flow out of holes Do not allow the solution to run down the electrode and wet the electrical contacts in the DryLoc connector 6 Slowly screw on the membran...

Page 37: ...e nA reading should start to rise Response time and nA reading will depend upon the temperature of the appropriate solution 15 Once the sensor s nA reading reaches approximately 300 360 nA allow the s...

Page 38: ...the glass wet when out of the process Never store the electrode at temperatures below 0 C 32 F or allow it to dehydrate Never scrape or sand the glass electrode surface Treat glass electrode surfaces...

Page 39: ...tmosphere Algae growth in flow cell Low chlorine concentration in water Locate flow cell away from light Exposure to light Excessive small bubbles in flow cell accumulating on sensors Water source con...

Page 40: ...water Electrode not properly conditioned Noise interfering with the measurement Calibration incorrect Condition new sensor for 4 hours Cap replacement or electrolyte refill 2 hours Properly ground sys...

Page 41: ...e calibration point is too close to standard point Wrong data is entered pH buffer solution used has value too close to standard point Re enter correct data Use proper buffer solution at least 2 pH un...

Page 42: ...ged pH sensor Check pH sensor connections or change pH input to Manual in Options Menu FCl CHK pH PREAMP pH preamp is not detected pH preamp is not connected Wrong wiring Damaged preamp Check pH pream...

Page 43: ...priate DPD test Electrode not making good contact with electronics Inspect and reconnect Unstable output from sensor Electrode needs to be repolished Polish gold electrode Not enough electrolyte Check...

Page 44: ...on of Conformity according to FCC Part 15 This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2...

Page 45: ...y not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation General Compatibility Electrode Signet 2724 00 Flat p...

Page 46: ...02 to 2 ppm mg L 3 2630 2 0 05 to 5 ppm mg L 3 2630 3 0 1 to 20 ppm mg L Free Chlorine pH 5 0 to 8 5 pH Chlorine Dioxide 3 2632 1 0 to 2 ppm mg L Chlorine Dioxide pH 4 0 to 11 0 pH Temperature 0 C to...

Page 47: ...149 F 0 to 6 9 bar 0 to 100 psi 65 C to 85 C 149 F to 185 F Linearity derated 6 9 to 4 0 bar 100 to 58 psi Temperature Storage 0 C to 50 C 32 F to 120 F CAUTION The electrode glass will be shattered i...

Page 48: ...ectrode pH flat PT1000 in NPT 3 2750 7 159 001 671 pH Inline Electronics Digital S3 L 4 6 m 15 ft cable 3 2650 7 159 001 670 Chlorine Inline Amperometric Electronics Digital S3 L 4 6 m 15 ft cable Acc...

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