Home

User Manual - ProMinent Fluid Controls, Inc.

1. not usually track amp have failed contaminated or fouled Default Offset Refer to Section 4 2 Calibrate Faults 35 0000 Measured Level is the sensor voltage measured by the Analyzer N Useful when converting 4 20mA currents Measured Level amp diagnosing non tracking sensors 164 0 mV The Analyzer uses the card ID to auto configure on new driver cards n p ut card 1D i Some cards also use this level to determine range 74 6 nV 4 Sidebar Gain amp Default Gain When you calibrate an ammonia sensor the Analyzer adjusts the GAIN to make your measured value match the displayed value Offset amp Default Offset When you calibrate a pH ammonia or temperature sensor the Analyzer adjusts the OFFSET to make your measured value match the displayed value When you two point calibrate a 4 20mA input the Analyzer adjusts both OFFSET and GAIN Manual Sensors These sensor types use only the OFFSET to set the displayed value The Analyzer ignores GAIN for these sensor types For example when you Calibrate a sensor to display 48 5 degrees Offset Adjust will display 48 5 Measured Level pH sensors have a well defined mV to pH relationship Example pH7 OmV pH10 176 mV and pH4 176 mV Displayed sensor value GAIN x Measured Level OFFSET Using this simple eguation you can directly modify the OFFSET amp GAIN to get a desired display This is seldom done but it s conveni
2. Sensor Compensation User Sets or Selects Type Ammonia Temperature Temperature sensor G Compensation rate in degree Or None 4 20mA Temperature Temperature sensor B to G Input Compensation rate in degree Or None pH Temperature Temperature sensor B to G Analyzer supplies compensation rate per degree or None Manual Manual Input Enable an input H to N for use as manual test or drop count tracker or None Temperature None AMMONIA User Manual To view of modify sensor Compensation key UP or DOWN to the target sensor and press ENTER Key DOWN and ENTER O Configure Key DOWN to view Compensation Displays current Compensation type None in this example Press ENTER to modify Press UP or DOWN amp ENTER to select Key EXIT to not modify In this example we selected Thermal Compensation The Analyzer then displayed None as the temperature sensor amp we scrolled to and keyed ENTER O Temperature B Key DOWN to view or modify the degree value This value is typical for cooling water amp is not modified unless you are immersed in brine or another non cooling water stream AMMONIA User 9 09 36 2 5 Sensor Compensation Thermal Compensation NH3 D 1 30 ppm lt ana 4 Configure lt H Diagnostic lt and 4 Compensation d None Compensation None lt Compensation Thermal Comp lt Thermal Sensor Temperature G Compensation lt 0 970 WF AM
3. press ENTER and DOWN to Configure SIN A076X0486 at the power up or day time display then Key ENTER O Configure Configure Requires LB Option Ti me amp Date Load Factory configures the Analyzer to one of the 1 to 15 4 configurations shipped with the Analyzer an This Analyzer is currently running the AMMONIA Load Factory lt configuration XXXXXX View and select an alternative Analyzer configuration by keying ENTER or Load Config returns to the last saved configuration Load config Key ENTER select Yes amp ENTER No After you ve modified the Analyzer for your site and or its water treatment program Save config by keying ENTER amp selecting Yes Save config lt 4 4 Once saved you can always recover by using Load config No ai The A amp B Analyzer inputs may be configured for several A amp B Sensor lt sensor types Usually this is done once site NH3 Key ENTER to view or modify the current A amp B Sensor type Sidebar Warning Load Factory amp Load config Analyzer re configuration may change sensors Reconfiguration and run occurs as soon as either option selected Load Factory LB Option Up to 15 configurations may be included with the Analyzer The configurations shipped with the Analyzer may make it easy to add a 2 boiler blowdown They may also include complete preset feed programs complete with setpoints Recommended Turn on Keypad password Manual Section
4. Relay Fuse OK 4 Internal 2 5V 2 4743 15VDC Power 16 97 4 4 Reset to Factory 10 32 2070807 Admi n Password Default 4 Watchdog Resets 0 4 Firmware Version A587 Reset to Factory Sets all volume water meter totals for this year and the previous year to zero AMMONIA User 9 09 57 AMMONIA User Manual 6 0 Product Support 6 1 Application amp Technical Support www aguatrac com Aquatrac Instruments Inc 1957 Cedar Street Ontario CA 91761 800 909 9283 ProMinent Fluid Controls Inc 136 Industry Drive Pittsburgh PA 15275 412 787 2484 Ammonia Analyzers are supplied in a many configurations some with specialized controls The Analyzer Serial Number and Part number available on the top center of the Analyzer circuit board helps us to help you Replacement Sensors and Parts Analyzer User and Technical Manuals Click on the NH3 Analyzer icon O www aquatrac com Upgrade Kits Controls and sensors can be added to installed Analyzers Upgrade kits include sensor entry fitting driver card and installation instructions Click on the NH3 Analyzer icon O www aquatrac com AC Power Fuse This fuse provides AC power to the pumps solenoids and valves connected to Relays 1 to 5 Protects Rating Type Manufacturer Vendor Power Relays Littlelfuse Type 217P 250VAC 1to5 5 Amps O 120VAC Digikey Part F2395 ND AC Fuse 2 5 Amps 250VAC Digikey Parti F240
5. To enable a sensor or contact set input Thu 16 54 10 4 press ENTER and DOWN to Enable I O SIN A076X0486 at the power up or day time display lt H then Key ENTER Enable o F able 1 0 lt Passwords In this Analyzer 12 of the 26 sensor meter volume Enable In puts and contact set inputs are unused 12 unused Key ENTER to select one Key UP or DOWN to scrollthroughthe Enable Inputs unused disabled inputs lt Key ENTER select one eS or Pah or EXIT to not select any inputs or In this example we ll FlowSwitch S Enable Inputs After enabling scroll to FlowSwitch S input FlowSwitch S 4 lt re name it and configure it for use 3 Sidebar Enabling Inputs In each Analyzer there are 26 inputs 14 Sensors A to N and 12 Meter Volume or Contact Sets O to Z Of the 14 sensors 7 A G have terminal blocks where you can connect actual sensors and 7 H N are Phantom and are used for manual and calculated values Of the 12 Meter Volume or Contact Sets 8 O V have terminal blocks where you can connect actual meters or contact sets and 4 W Z are Phantom and are used for copy targets and mirroring Enabling Outputs Outputs are enabled in the same way as inputs Each Analyzer has 5 outputs Outputs 1 5 are relays which switch Analyzer AC power to turn ON and OFF AMMONIA User 9 09 52 AMMONIA User Manual 5 5 Metric amp U S Units I I Switch to Metric To view
6. to key in the reset code which returns all passwords to default Key ENTER at Edit Passwords to view or modify your password Key UP or DOWN to change the underlined letter or digit Key RIGHT to move the underline Press ENTER to change your password or EXIT to leave unchanged In this example we changed Operator s default password from 1 to OP1 Sidebar Modify Passwords Because all 8 default passwords are listed on the previous page You ll should modify all 8 passwords when you initially turn ON passwords Passwords are limited to 8 capital letters and numbers Any space in a password ends the password on both editing and Login password entry 5 1 Passwords Modify Password Thu 16 54 10 4 S N A076X0486 then Passwords lt H Diagnostic Y Logout Operatorl 4 Reset Pswrds Yes 4 lt Edit Passwords Yes Editing for Exit OP1 gt then Two users cannot share the same password because the password is used to identify the user The Analyzer displays Password Fail on a duplicate password Reset Passwords If you forget your password a Reset Password is available from Aguatrac amp specific to your Analyzer s serial number that sets all passwords to default Passwords This menu item only displays on Analyzers that have turned ON Keypad Password AMMONIA User 9 09 48 AMMONIA User Manual 5 2 Time amp Date Time amp Date To view or adjust the Time amp Date press ENTER and
7. You ll need to set your notebook PC s IP Address to the same network to browse the Analyzer using a crossover cable In this pages example the Analyzer IP Address is 192 168 24 86 To be on the same network your notebook needs an IP Address 192 168 24 xxx where xxx is any number from 1 to 255 excluding 86 AMMONIA User 9 09 56 AMMONIA User Manual To view the Analyzer s Diagnostic press ENTER at the power up or day time display Key ENTER O Diagnostic Displays the state of the Relay 1 to Relay 5 AC power fuse Displays OPEN if AC fuse has failed The Internal 2 5V level corrects analog voltages measured by the Analyzer Displays from 2 4500 to 2 5500 The 15VDC Power level is the unregulated voltage O the Analyzers DC Power Output terminals Displays from 15 to 23 Volts depending on AC line voltage and load on the DC Power Output supply Displays the time and date of the last Analyzer reset or the time and date of the most recent Load Factory was executed An Admin Password O Default has not been modified from AAAA If modified displays Changed An Watchdog Resets should always display 0 An increasing number of Resets indicates corrupted firmware or Analyzer electrical fault or interference The Analyzer Firmware Version indicates the date of issue of the software operating the Analyzer Sidebar 5 8 System Diagnostic Thu 16 54 10 4 S N A076X0486 Diagnostic lt H Communi cate Y
8. the curve shown in Figure 5 is shifted accordingly The slope is calculated according to the Nernst eguation This reguires an automatic temperature measurement with a Pt 100 sensor Special aspects Coloration or opacity of the liguid being measured does not affect the measurement Most ionic substances in the sample will also have no effect since they cannot pass through the hydrophobic membrane But volatile amines for instance may affect measurement These include various substances e g methylamine ethylamine and hydrazine Such substances also exhibit an alkaline reaction in the sensor electrolyte The presence of such substances in addition to ammonia leads to an erroneously high concentration reading If the liguid being measured contains solvents or tensides from cleaning agents or detergents that can affect the hydrophobic properties of the membrane then measurements should be made in a gas space above the liquid This head space method requires that the ammonia sensor is built into a completely gas tight fitting Ahead space measurement is also advisable if oil or grease is present since these would also block the membrane and thus adversely affect the response time of the electrode The sensor membrane is very delicate and must not be touched in any circumstances Cleaning by mechanical means is not possible Measurements cannot be performed under pressure because the compression of the inevitable air bubbles in the sensor ele
9. N 1010511 OVERFLOW TUBE CONNECTION aaa TUBE NEEDS TO BE RUN HIGHER THAN THE TOP OF CAL COL FLOW METER W FLOW SWITCH P N DGMA400T000 1 2 X 3 8 PVC TUBE CONNECTION PRODUCT OUTLET AMMONIA User Manual APPENDIX B Ammonia Analyzer Dimensions AMMONIA User 9 09 62 AMMONIA User Manual APPENDIX C Ammonia Analyzer Parts Item Oty Part No Description 1 1 305350 Impedence Converter for Jumo sensor 2 1 1028807 Back panel 3 5 7500135 PVC shut off valve 4 1 7744652 1 4 PVC needle valve 5 4 7741483 3 4 PVC tee 6 2 7741908 1 4 to 3 4 reducting bushing 7 1 7714637 3 4 plug 8 1 7000325 1 2 plug 9 4 7745126 1 4 PVC tee 10 1 7741839 1 2 to 1 4 reducing bushing 11 1 DGMa 400T000 flow meter 12 3 7305021 PVDF holder 13 2 7741561 tubing connector 14 1 305063 PT 100 sensor 15 1 809128 PT 100 V1 transducer 16 2 305030 6 ft SN 6 to open end cables 17 1 1010511 PHEF sensor 18 7251222 wire cable 10 ft 19 1 Jumo sensor p n 20 1 Aegis controller with ammonia option 21 1 7744247 2 FRP pipe clamp 22 6 7744109 1 4 x close PVC nipple sch 80 NPT 23 4 7742138 3 4 PVC tee SxSxFNPT sch 80 24 4 7741483 3 4 PVC tee SxSxS sch 80 25 3 703885 connector pg9 black 7735074 2 26 3 7500067 pg9 nut 27 1 J
10. Press ENTER to Login If you have not keyed any of the current valid passwords you ll view an error message Sidebar Default Passwords 5 0 System Settings 5 1 Passwords Turn ON Passwords Thu 16 54 10 4 S N A076X0486 then Configure EN Ti me amp Date Y then Keypad Passwor d lt No then Keypad Password Yes 4 lt Password ON Login d Yes i Editing lor Exit 1 gt then The first time you turn ON Keypad Password the 8 default passwords are Operatori 1 Operator2 2 Operator3 3 Operator4 4 Configure5 5 Configure6 6 Configure7 7 Administrator AAAA There are 3 password levels Operator Configure and Administrator The 8 default User IDs are used in the Analyzer s keypress log Modify Password Once you Login you can modify you password Refer to the following page Login Displays Prompts you for the required password level Login Admin Config or Operate depending on what key press activity required a password AMMONIA User 9 09 47 AMMONIA User Manual After you ve turned ON passwords and logged in as one of the eight users To modify your Keypad Password press ENTER and UP to Passwords at the power up or day time display Key ENTER O Passwords To Logout as the current user key ENTER at Logout The Analyzer automatically logs you out 30 minutes after your last key press Note that this display shows Operator1 your user ID Key ENTER at Reset Pswrds
11. a Standard Methods procedure The 1000 ml calibration column is used to calibrate the NH3 sensor in its housing The pH and and temperature sensors should be temporarily removed from the sample header to perform their calibrations Calibration Faults Refer to the next page for options on fault AMMONIA User 9 09 27 AMMONIA User Manual 2 2 Sensor Calibration If the Analyzer cannot calibrate you ll view this warning after Calibrate Faults you modify the sensor value amp key ENTER Sensor Fault Ignore warning Key ENTER to ignore the warning or EXIT to return the sensor to its pre calibration value NH3 lt D 1 30 ppm To reset the sensor to its factory default setting Calibrate adi key ENTER and DOWN to Factory Reset Alarms 4 Press ENTER Factory Reset doesn t correct the Factory Reset lt problem which caused the warning Yes In this example we started at 1 30 ppm got a warning when we performed a single point calibration at 1 60 pp and NH3 lt returned to 0 05 ppm after Factory Reset Looks like this 0 5 ppm 4 sensor could be fouled Sidebar Sensor Fault The Analyzer verifies that sensor OFFSET or GAIN required to make the sensor read its new value are within the range of typical sensor operation If out of range Sensor Fault displays Fault Cause varies with sensor type Ammonia Fouling lowers the measured value Remove and inspect Whitish deposits indicate overcycling amp may require HC
12. achieve a pH value 11 The adjustment of the pH is carried out not only for the sample solution with the unknown concentration but also for the calibration solutions Furthermore the measurement of the samples and reference solutions must be performed at the same temperature because the results will otherwise be influenced by the temperature Calibration starts off with the reference solution that has the lowest concentration and proceeds through increasingly higher concentrations Before changing over to the next sample vessel the sensor must be flushed with ammonia free distilled water and dried off by dabbing with a soft paper tissue without touching the membrane The result of the calibration measurements is a calibration curve that can be evaluated with normal analytical methods In some laboratory instruments ion meters the instrument itself performs the evaluation so that the concentration can be displayed directly after calibration For lengthy series of measurements the calibration should be repeated at intervals AMMONIA User 9 09 25 AMMONIA User Manual With the standard addition method a known amount of ammonia in the form of ammonium chloride is added to the sample with the unknown concentration From the increase in the signal after this augmentation one can work back to derive the unknown initial concentration whereby the increased volume of the total augmented solution must be taken into account in the calculati
13. analyzer user manual available to step you through thecalibrate configure and setpoint seguences If you have the LB LAN browser option installed you can use a notebook PC amp Ethernet crossover cable to startup Refer to Appendix H of the user manual if you haven t set up your notebook to browse the analyzer FYI Your analyzer may have been pre configured for this site AMMONIA User 9 09 18 AMMONIA User Manual Minimum Startup Seguence Valve ON flow 1 Open the downstream isolation valve on the sensor mount manifold header and then the upstream isolation valve FYI Always OPEN in this order amp CLOSE upstream first Check for leaks 2 Inspect the sensor entries for leaks amp correct Check that installation fittings are not leaking Verify Flowswitch 3 Plug in or power up the analyzer Scroll UP or DOWN to the S Flowswitch S display and ensure that within 30 seconds of power ON the flowswitch shows ON Don t proceed until the flowswitch shows ON Check Temperature 4 Scroll UP or DOWN to the sensor G Temperature G display amp check that it s displaying the approximate temperature 10F FYI Temperature needs to be accurate We re using it to compensate ammonia so it has to track changing when the sample water changes temperature Calibrate pH 5 Scroll UP or DOWN to the sensor C pH C display Measure the water pH at the sensor sample valve and calibrate the pH sensor per Appendix E Calibr
14. concentration the response time can be considerably longer as shown in the table above It may be possible to improve the response time by diluting the electrolyte by a factor of 10 using distilled water And particularly at high concentration there is a risk that readings are too low because of ammonia losses Samples should therefore be measured as soon as possible Loss of ammonia can be reduced by a cover or by using the apparatus in an enclosed vessel ProMinent Ammonia Analyzer measurements The relationship between the electrode voltage and the concentration of ammonia in water is stored in the form of a typical characteristic Figure 5 The ProMinent analyzer is thus able to calculate the ammonia concentration from the electrode voltage measurement and display the result directly in the concentration unit parts per million ppm on the analyzer display AMMONIA User 9 09 7 AMMONIA User Manual The characteristic curve that is stored in the transmitter is of course valid for certain specified conditions such as the composition of the liguid and the pH value and individual sensor characteristics also play a part If conditions differ from those specified or different electrodes are used then this will affect the displayed value for the concentration The individual characteristics of the particular sensor are allowed for in the zero point calibration First of all the sensor voltage is measured in the presence of ammonia and
15. contact sets are open when they are measuring the state you wish to alarm control using or log set Invert sense to YES RUN STOP an Invert sense Example Contact set U is used for a RUN STOP switch The switch contacts are OPEN when the switch is set to RUN Invert sense is set for U so that RUN displays on the Analyzer as ON and so that U can be used as a flowswitch for pumps and solenoids AMMONIA User 9 09 41 U E fe lt U AMMONIA User Manual In this example the Solenoid 1 is powered by relay 4 Relay 4 is controlled by Pressure switch V To view or modify the Solenoid 1 setpoints key UP or DOWN to Solenoid 1 and press ENTER Key ENTER O Setpoints and then UP or DOWN to the Setpoint you wish to modify In this example we ve already modified TurnON to 30 seconds Key ENTER O OFF Setpoint to modify Freguency controlled pumps will display then Feed and a setpoint in mL Key UP or DOWN to change the underlined digit Key RIGHT to move the underline Press ENTER to save the new OFF Setpoint or EXIT to leave unchanged Each time you modify you ll get an extra digit So in this example you ll have to edit twice to get to 3 digits from the default 1 digit See the following Contact Set Control Example Sidebar Contact Set Control Example A pressure switch connected to Analyzer input V turns ON when the pressure drop across a sidestream filter indicates a need to open So
16. digits Temperature is usually 1 2 pH amp NH3 typically 2 Press ENTER to modify Available Compensation varies with sensor type Compensation s pH may have Temperature compensation none t Press ENTER to select amp modify A sensor used for control or to compensate Disable Input lt another sensor cannot be disabled Yes 4 Disable unused sensors to unclutter and speed display scrolling Although you can override single point calibration Gain Multiply by directly modifying the sensor 0 017 i Gain amp Offset this is seldom done These values are more useful in flagging failing and fouling sensors Offset Adjust D 21 Sidebar The Analyzer Sensors are factory pre configured for operation AMMONIA User 9 09 31 AMMONIA User Manual To modify sensor Description key UP or DOWN to the target sensor and press ENTER Key DOWN and ENTER O Configure Key ENTER to view Description Sensor Description may be up to 14 characters amp numbers Press ENTER to modify Key UP or DOWN to change the underlined letter or digit Key RIGHT to move the underline Press ENTER to save the new Description or EXIT to leave unchanged In this example we ve changed the name of the NH3 sensor connect to control input D from NH3 to No 1 NH3 Sidebar 2 4 Sensor Configure Edit Description NH3 D 1 30 ppm lt and Configure lt Diagnostic 1 Description lt NH3 Editing or Exit No 1 NH3 g
17. sensor without installing and connecting a solution ground Unstable drifting pH will occur if the solution ground is disconnected Warning 2 Turn OFF the controller before connecting or disconnecting pH and ammonia sensors Sensor Inputs The controller uses the letters A thru Z to identify sensor water meter flowswitch and contact set inputs and the numbers 1 to 9 to identify AC power switching relays and freguency outputs A to G and O to V exist as terminal blocks where inputs are connected Sensor inputs H to N and meter contact set inputs W to Z are used to implement more complex control and monitoring functions Any input may be used to control any output or outputs I O Point Function Notes Sensor A Fixed conductivity sensor Support for both cooling tower and boiler condensate drive sensors Most controllers have at least one conductivity sensor Sensor B Fixed thermal sensor Support for the 10mV K and CTF type temperature drive Sensors Thermal compensation for the A conductivity or stand alone feedwater thermal sensor Sensors Two sensor card slots Plug amp Play sensor cards auto reconfigure the controller C D and E F Each slot can take a when the card is installed single or dual sensor Card set C pH D NH3 driver card Sensor G Fixed 4 20mA input Support for loop powered and isolated 4 20mA levels on Temperatujre Sensors H to N Phantom
18. to Calibrate view set Alarms Compensation A NH3 sensor is connected to Analyzer input D Press ENTER to Calibrate view Diagnostics Configure A temperature sensor is connected to Analyzer input G Press ENTER to Calibrate view Diagnostics Configure AMMONIA User 9 09 21 1 0 Day to Day Operation 1 1 Main Menu Thu 16 54 10 4 S N A076X0486 Al ar ms 1t C D M SYS pH Sensor C 1 6 pH NH3 Sensor 44D 1 30 ppm 4 20 mA output IE 1 3 ppm 4 20 mA output fF 1 07 ppm Temperature 46 77 5 deg F NH3 N t 0 0 ppm continued AMMONIA User Manual Users may use the Analyzer to key in results of chemical tests These results may be used to alarm The resultofa drop test is entered logged and displayed on control input J Input S is the default flowswitch input for the sample header sensor flow You can edit the name of any input or output You can disable unused sensors pumps or relays to un clutter the display and turn them back ON as site needs change Plug in a new sensor card and the Analyzer auto reconfigures Key EXIT anytime on the Main Menu amp you ll get back to this power ON display Total Ammonia 0 0 ppm Test pH lt 1 8 pH Test NH3 lt 0 0 ppm Test CLK lt 0 0 ppm FlowSwitch s Flow Thu 16 54 10 S N A076X0486 AMMONIA User 9 09 22 AMMONIA User Manual 1 2 Checking amp Clearing Alarms Key DOWN from the power ON d
19. with a number 1 to 9 representing where each is wired Inputs A B and G and O to V have fixed wiring terminals on the upper Analyzer board G is a temperature sensor Inputs O to V may be individually selected to be digital inputs Terminals for outputs 1 to 5 are located on the lower board They are ON OFF power relays that switch 120 or 230 VAC Terminals for outputs 6 to 9 are also located on the lower circuit board They are electronic switches used for freguency control Inputs C D and E F are used for plug in sensor cards which add optional 4 20mA inputs amp outputs to the Analyzer The pH sensor and NH3 sensor are wired into the OP card as inputs C D respectively Sensor inputs H to N and meter contact set inputs W to Z don t physically exist in the Analyzer and are used to calculate other advanced Analyzer functions AMMONIA User 9 09 15 AMMONIA User Manual B 5 Browser Analyzers with the LB LAN Browser option include a built in command amp control web server with real time views of your Analyzer operation You can browse with Mozilla s Firefox or Internet Explorer 7 over a 10BaseT Ethernet connection or the internal modem if installed If the LB option is included in your Analyzer the Browser appendix LB has been added to this manual System Home v Tue 12 30 06 gum ProMinent NH3 Analyzer Ammonia Analyzer Teens SAI AS Status Logged in Current User admin Monitoring 00 Outlet Logout Ov
20. 0 ND 5mm x 20mm www digikey com 1 800 344 4539 OR Aquatrac Part AG FUSE 10 fuse kit Fast Acting AMMONIA User 9 09 58 AMMONIA User Manual 6 2 Specifications Analog Digital I O Rating Detail Notes Analog Inputs A G 4 20 mA Outputs Uses C D and or E F sockets Digital Inputs O V Relay Outputs 1 5 Frequency Outputs 6 9 Enclosure Rating Dimensions Weight 120VAC 4 Plug Box optional 3 Analog Sensors of which 3 are fixed C pH D NH3 amp G Temperature Socketed for two single or dual sensor drivers or 4 20mA output cards O Inputs C D and E F 7 Phantom analog inputs may be used for manual data logging 0 to 4 DC isolated loop powered Nominal 0 196 resolution Auto polarity correction field wiring 8 Meter amp Contact Set Dry Contacts 250mS response Water Meters 400 Hz max 0 5mA O 5VDC measurement current 4 Phantom inputs may be used for volume tracking mirroring 5 1SPST 4SPDT Fused O 6 3A 120VAC or 3 15A 230VAC 4 Isolated Dry Contact SPST Outputs 400 SPM maximum Non metallic NEMA4X IP66 7 5 W x 11 3 H x 5 5 D 190mmW x 287mmH x 140mmD 15 lb 7 Kg nominal Mounting hardware included Rated for outdoor use Includes 36 of flexible non metallic conduit Analyzer auto configures on Driver card installation and removal pH NH3 Temperature 4 20mA Input amp Output cards available Single amp Dual Drivers
21. 5 1 Log on as the admin and modify the password if this Analyzer is Is likely to be accessed by uniformed users Do this to prevent accidental or malicious Analyzer reconfiguration AMMONIA User 9 09 54 AMMONIA User Manual This display seguence is only applicable to Analyzers with the LB LAN Browser option See appendix LB To view or adjust the Analyzer Ethernet setting press ENTER and DOWN to Communicate at the power up or day time display Key ENTER O Communicate Displays the current LAN IP address In this example it s the factory default If you are connecting into the site LAN IP address is assigned by the site IT staff Key ENTER to modify Netmask is usually this value for most sites Key ENTER to modify This is the default HTML Port for browsing It can be modified only via the browser The site IT staff may require the Analyzer MAC Address to register allow the Analyzer on the site network The MAC address is six 2 digit hexadecimal numbers separated by colons into 3 groups of 4 to fit the LCD screen In this example the MAC address is 00 90 C2 00 00 00 Sidebar Warning Do not connect the Analyzer Ethernet connection into a site LAN until the site IT staff have assigned a valid IP Address Not Connected to the Site LAN 5 7 Communications Communicate Thu 16 54 10 4 S N A076X486 then Communi cate 1 Y Configure IP Address lt 10 10 6 106 s 4 e Net m
22. A OFF 4mA or modulate operation of the proportional pump or valve that the 4 20mA output is controlling Use Manual mode to verify the monitoring input that is using the current loop value to represent an Analyzer NH3 pH or temperature sensor or ppm calculation Load Powered 4 20mA Loop Manual Setpoint 4 20mAOut put D D 4 00mA 0 0 Setpoints lt H Configure Manual Mode 0 lt Editing or Exit 27 gt then gt Manual mode lt 21 4 20mA0utput_D lt D 8 32mA 27 0 4 20mA current outputs are powered by the loop load or by the Analyzer 15VDC power supply Building automation system typically supply 24VDC to power current loops Current loop controlled pumps and valves usually use the Analyzer 15VDC supply to power the loop Open Loop Alarm The DC isolated 4 20mA output alarms on an open loop or a loss of loop power AMMONIA User 9 09 43 AMMONIA User Manual 4 1 4 20mA Output Setpoints In this example an ammonia sensor is controlling the 4 20mA out current The 100 0 indicates that the ammonia is greater than the 20mA setpoint To view or modify the 20mA Setpoint press ENTER Key ENTER Setpoints Key DOWN to 20mA Setpoint When the NH3 sensor measures than 1000uS the loop current is 20mA Key ENTER to modify Key UP or DOWN to change the underlined digit Key RIGHT to move the underline Press ENTER to save the new 20mA Setpoint or EXIT to leave unchanged Key EXIT twice to vi
23. Alarms on open current loop User configurable as water meters or contact sets S FlowSwitch sample flow Relays rated 10A 120VAC Detection and Alarm on relay AC fusing 500 ohms in series with non polarized bounce free silicon contact sets Nominal dimensions excluding entry fittings and external power and sensor cabling Enclosure door hinged left Plug boxes not available for Analyzers shipped outside of North America ON OFF Switch IP67 rated 10A O 125 250 VAC Mounted bottom left of optional enclosure door AMMONIA User 9 09 59 AMMONIA User Manual 6 2 Specifications Communications Rating Detail User Interface Keypad LCD 5 Key Tactile feedback UP Scan rate 100mS nominal DOWN ENTER EXIT RIGHT User adjustable contrast 2 Line x 16 Character Backlit Data log download Includes display support for W s ND s 10 BaseT TCP IP HTML AJAX micro Web Server Password UserlD protected Ethernet LAN for Mozillla s Firefox and IE7 Optional Full command control reconfigure Auto configures views linking via browser sensors and controls Network parameters and HTML port user set Static IP Modem 56K V 90 PPP access Alarms accessed via Trackster3 Optional provides remote browsing via polling Mozillla s Firefox and IE7 120 or 230 VAC 50 60Hz Switch selectable 5 Relay Fusing 6 3 Amps O 120 VAC 5x20mm AC fusing N SEE H 120VAC Power 0 to 1 AWG18 NEMA grounded Quanti
24. DOWN to Time amp Date Thu 16 54 10 lt at the power up or day time display SIN A076X0486 then E Ti me amp Dat e lt Key ENTER O Time amp Date d e Enable 1 0 Y See Analyzer Response to a new Time amp Date on this page Sidebar prior to adjusting Display current date and time DD MM YY HH MM Spicy ime Key UP or DOWN to change the underlined digits 20 08 07 14 2 gt Key RIGHT to move the underline then Press ENTER to save the new Time amp Date Thu 16 54 10 lt or EXIT to leave unchanged SIN A041X0486 Sidebar Time amp Date The Analyzer uses a 24 hour clock where 14 30 is 2 30 PM When you set the Date the Analyzer automatically sets the correct day of the week Analyzer Response to a new Time amp Date When you change the time amp date the Analyzer 1 Turns all outputs OFF resets all control timing and restarts the logging period on each I O 2 Does a midnight reset which will may set volume meter Low Alarms and will reset any output alarms set to reset O midnight 3 Sets the biocide Day 1 to the most recent Sunday Example If you are at Day 19 Thursday of week 3 on a 28 day biocide cycle After a Time amp Date change you are now at Day 5 Thursday of week 1 AMMONIA User 9 09 49 AMMONIA User Manual To view the Activity Log press ENTER and DOWN to Activity Log at the Alarms display Key ENTER O Activity Log Each entry in the log initially displays it s activity as you key DOWN
25. DeD 4 00m 0 0 lt and 4 Configure Setpoints Return to Auto lt Yes lt ana 4 Control by EN No Control 4 lt and 4 er Y Control Dy NH3 t Control by Any enabled sensor of any type A to N may be used to control the 4 20mA loop current Once you ve selected a controlling sensor adjust the 4mA Setpoint and 20mA Setpoint to reflect the range for a remote DCS monitoring input Example You are controlling the 4 20mA output current using a pH sensor If the 4 20mA current is monitored by a building automation system or distributed control system you could set 4mA 6 0pH and 20mA 10 0pH since this span represents the likely range of measured pH AMMONIA User 9 09 45 AMMONIA User Manual 4 2 4 20mA Configuration Calibrate Interlock To calibrate view or modify a 4 20mA output 4 20MAOut put _ DD key UP or DOWN to the target output 4 00mA 0 0 and press ENTER then UP and Configure d Key ENTER O Configure J 2 a Setpoints 4 The 4 20mA current output is in Manual mode The current mA level is fixed at the user set level Return to Auto Yes Selecting Auto controls the current based on the value A of a sensor and the 4mA and 20mA setpoints Trim Zero adjusts the 4mA level Tri m Zero Put a mA meter is series with the loop current and 9 lt key ENTER and UP or DOWN to adjust Trim Span adjusts the 20mA level Put a mA meter is series with the loop
26. I cleaning to remove If no visible fouling clean with alcohol or solvent then Factory Reset pH Verify solution ground connected amp excess sensor cable coiled at sensor not in enclosure Verify sensor cable not shortened amp firmly connected Then replace if no recovery after Factory Reset pH sensor life decreases with handling and temperature extremes Temperature Verify color coding correct and sensor wires firmly connected Inspect sensor for damage or leaking AMMONIA User 9 09 28 AMMONIA User Manual 2 3 Sensor Alarms Alarms To view or adjust sensor alarm key UP or DOWN NH3 D to the target sensor and press ENTER 1 30 ppm Key UP and ENTER O Alarms lar ms lt Configure In this example the Analyzer will alarm if the High Alarm DY NH3 exceeds 1 60 ppm 1 0 f Key ENTER to modify FENCE In this example the Analyzer will alarm if the Low Alarm lt NH3 falls below 0 50 ppm 0 40 ppm Key ENTER to modify Delay on Alarm prevents nuisance alarms by requiring in this example 5 minutes of fault occur before alarming Delay on Alarm 5 0 minute Set the Delay to zero minutes if you require an immediate alarm Key ENTER to modify Sidebar Sensor Alarms Nuisance alarms tend to be ignored Select alarm limits that represent control fault or sensor failure AMMONIA User 9 09 29 AMMONIA User Manual To adjust a sensor alarm key UP or DOWN to the target sensor and press ENTER Key UP and ENTE
27. In this example the limit Alarms for the NH3 sensor were Adjusted Key RIGHT to view the User ID and the Time amp Date stamp for the Activity Key RIGHT again to get back to the Activity or key DOWN to scroll the User ID and Time Date stamps Scroll UP or DOWN through the Activity Log Keying RIGHT to view the User Ids amp Time Date stamps Sidebar Keypress Alarm Log The log contains the last 25 activities that effect the operation of the Analyzer Most recent activities first Both keypad and browser user activities are logged User IDs 5 3 Keypress Alarm Log View Activity Log Al ar ms 1 B 2 lt ana 4 Activity Log lt H Clear Alarms NH3 D gt Alarms Adj usted Configure5 gt 17 19 23 08 07 NH3 D gt Alarms Adjusted pH Sensor C gt New driver card WA gt Keypad Password ON Logs the User IDs listed in Section 5 Sidebar Default Passwords Keypad Password OFF Logs all User IDs as Keypad Browser user IDs are always logged because login is reguired to browse Actions taken by the Analyzer like configuring a new driver card use the System used ID AMMONIA User 9 09 50 AMMONIA User Manual 5 4 Enabling Inputs amp Outputs Enable I O To Enable I O press 3 ENTER and DOWN to Enable 0 Thu 16 54 10 at the power up or day time display I S N A076X0486 then Key ENTER Enable O Enable 1 0 Passwords Displays the number of sensor
28. MONIA User 9 09 3 AMMONIA User Manual A THEORY OF OPERATION What is ammonia Ammonia NH3 is a poisonous and pungent smelling colorless gas that makes the eyes water Ammonia is readily soluble in water The agueous solution has an alkaline reaction and is known as ammonia water or tincture of ammonia In conjunction with acid ammonia forms salts that disassociate in water to form ammonium ions NH4 and the corresponding anions In nature ammonia is produced by the decomposition of animal or vegetable material that contains nitrogen Typical areas of application for ammonia sensors The ProMinent ammonia analyzer sensor can be used to measure ammonia NH3 in agueous solutions Ammonia in an aqueous solution is in a pH dependent equilibrium with ammonium ions If ammonium ions are converted into ammonia by the addition of an alkali then the sensor will detect the resulting ammonia gas The ammonium ions themselves will not be detected Fig 1 ProMinent Ammonia Analyzer AMMONIA User 9 09 4 AMMONIA User Manual Some typical applications using ammonia sensors are municipal water plant chloramination monitoring wastewater of gas scrubbers wastewater monitoring ammonia leaks in cooling towers the food sector e g for wine and beer laboratories The measurement can be made directly in the liquid medium This means that it is not necessary to carry out time consuming and complicated sample preparation Colore
29. MONIA User Manual To view sensor Diagnostics key UP or DOWN to the target sensor and press ENTER Key UP and ENTER O Diagnostic Sensor Type NH3 in this example Also displays pH Temperature unused or 4 20mA Input Current State may also display Alarmed Fail Calibrate 4 20mA Open 4 20mA Inputs only or Overrange Hardware fault Current value of the sensor With user set digits after the decimal and user set units Thermal Compensation is used with pH and NH3 Gain Multiply is the value required to make the displayed NH3 value match your last calibration Default Gain is the Gain after a Factory Reset An increasing Gain Multiply usually Indicates a fouling sensor Sidebar Diagnostic displays how the sensor is configured compensated and calibrated This is where you go if you have a non obvious sensor problem AMMONIA User 9 09 37 2 6 Sensor Diagnostics Diagnostic NH3 1D 1 30 ppm Diagnostic Calibrate 4 Sensor Type NH3 2 Current State Operational Displayed Value 1 30 ppm Compensation Thermal Comp Gain Multiply 5 7146 Default Gain 5 6000 continued AMMONIA User Manual 2 6 Sensor Diagnostics Diagnostic cont Offset Adjust Offset Adjust is the value reguired to make the displayed pH NH3 or temperature match your last calibration 35 0000 Default Offset is the Offset after a Factory Reset pH amp NH3 sensors with offsets twice the default offset will
30. Operating Manual AEGIS Ammonia Analyzer ProMinent Fluid Controls Inc 136 Industrial Drive Pittsburgh PA 15275 Phone 412 787 2484 Fax 412 787 0704 www prominent us ProMinent AMMONIA User Manual CONTENTS A THEORY OF OPERATION B INSTALLATION amp NAVIGATION Plumbing Cabling Wiring Water Meters Flowswitches Contacts Safety amp Navigation Browser Communications Data Logging C START UP D ANALYZER OPERATION 1 Day to Day Operation 1 1 Main Menu Sensors Pumps Solenoids amp Valves 1 2 Checking amp Clearing Alarms Sensors Ammonia NH3 pH temperature 4 20mA 2 1 Sensors 2 2 Sensor Calibration 2 3 Sensor Alarms 2 4 Sensor Configure 2 5 Sensor Compensation 2 6 Sensor Diagnostics Flowswitches amp Contact Sets 3 1 Contact Sets 101 3 2 Contact Set Alarms 3 3 Inverting Contact Sets 3 4 Contact Set Controls 4 20mA Outputs 4 1 4 20mA Output Setpoints 4 2 4 20mA Output Configuration 5 System Settings AMMONIA User 9 09 2 AMMONIA User Manual 5 1 Passwords 5 2 Time amp Date 5 3 Keypress Alarm Log 5 4 Enabling Inputs amp Outputs 5 5 Metric amp U S Units 5 6 Configurations 5 7 Communications 5 8 System Diagnostic 6 Product Support 6 1 Application and Technical Support 6 2 Specifications E APPENDIX A Isometric Drawing B Dimensions C Parts D Component Description E Standards preparation for calibration F Driver Cards LB LAN Browser AM
31. R O Alarms Key UP or DOWN to select High Alarm Low Alarm or Delay on Alarm amp press ENTER Key UP or DOWN to change the underlined digit Key RIGHT to move the digit underline Press ENTER to modify or EXIT to leave unchanged In this example we ve increased the High Alarm from 1 60 ppm to 1 90 ppm Sidebar Reset Alarms Section 1 2 Clear Alarms resets the Delay on Alarm time If the Delay on Alarm is set to zero minutes and the sensor is above the High Alarm or below the Low Alarm the sensor alarm will immediately re trip AMMONIA User 9 09 30 2 3 Sensor Alarms Adjust Alarms NH3 lt D 1 30 ppm lt and 4 Al ar ms lt Configure 4 x High Alarm lt 1 60 ppm Editing or Exit 1 90 ppm then High Alarm lt 1 90 ppm AMMONIA User Manual 2 4 Sensor Configure Configure To view or modify sensor configuration key UP or DOWN pH C to the target sensor and press ENTER 1 46 pH a Key DOWN and ENTER Q Configure Configure lt Key UP or DOWN to view current configuration Diagnostic Sensor Description may be up to 14 characters amp numbers Description lt Press ENTER to modify pH Sensor units may be up to 3 characters amp numbers In most cases you ll use default units Display units lt 4 20mA Inputs may use ppm GPM deg F as units pH Press ENTER to modify Sensor values may be displayed with from zero to three digits of resolution after the decimal Deci mal
32. ask lt 255 255 255 0 v 1 2 HTML Port 80 4 MAC Address 0090 c200 0000 IP Address i 10 10 6 106 Leave the IP Address at 10 10 6 106 Connect a crossover cable from your notebook PC to the Analyzer and browse 10 10 6 106 Browser passwords are the same as the default keypad passwords listed in manual Section 5 1 Passwords You ll need to configure your notebook to connect Refer to Appendix C LB LAN Browser Option at the back of this manual AMMONIA User 9 09 55 AMMONIA User Manual This display seguence is only applicable to Analyzers with the LB LAN Browser option To view or adjust the Ethernet IP Address press ENTER and DOWN to Communicate at the power up or day time display Key ENTER O Communicate Key ENTER to modify Key UP or DOWN to change the underlined number Key RIGHT to move to the next 3 digit number Key ENTER to change or EXIT to leave the IP Address unchanged In this example we ve changed the IP Address from 10 10 6 106 to 192 168 24 86 Sidebar 5 7 Communications Modify IP Address Thu 16 54 10 4 SIN A076X486 then Communi cat e 4 Configure Y IP Address lt 10 10 6 106 P Address gt H 192 168 024 106 then gt IP Address E 192 168 24 86 4 Warning Do not connect the Analyzer Ethernet connection into a site LAN until the site IT staff have assigned a valid IP Address Using An Ethernet CrossOver Cable
33. ate NH3 6 Scroll UP or DOWN to the sensor D NH3 Sensor D display Measure the water NH3 at the sensor sample valve and calibrate the NH3 sensor per Appendix E Correct for Time Zone 7 Key EXIT to the Day Time display If necessary key ENTER scroll to Time amp Date amp adjust the time for your time zone FYI Sets the time amp date stamp correctly for timed data logging AMMONIA User 9 09 19 AMMONIA User Manual Minimum Startup Set Alarms Set pH Alarms 8 Scroll UP or DOWN to the sensor C pH Sensor C display Key ENTER to Alarms and adjust both High Alarm and Low Alarm Set ammonia alarms 9 Scroll UP or DOWN to the sensor D NH3 Sensor D display Key ENTER to Alarms and adjust both High Alarm and Low Alarm 24 7 Sites Set Flowswitch Alarm 10 Scroll UP or DOWN to the S Flowswitch S display Key ENTER to Alarms and adjust No Flow Alarm FYI A No Flow alarm indicates no flow past the measuring sensors AMMONIA User 9 09 20 AMMONIA User Manual This is the power on day of week amp time display The Serial Number tracks special features amp the sensor set installed in your Analyzer Press ENTER to view set system settings Active alarms are displayed by the letter A Z of the input or the number 1 9 of the output Press ENTER to reset alarms to view alarm detail or to scroll the key press log Present value of the pH connected to sensor input C Updates every second Press ENTER
34. ater dud Meters Y Analyzers are defaulted to N Black X input O as make up meter N IN and input S as the N Red N flowswitch operating interlock Water Meters Flowswitches and Contact Sets may be connected any digital input O to V Contact Head Water Meters Connect cabling shields at the controller ends of the cable only to any ground terminal either on the Measure card or on the aluminum backplate bottom center AMMONIA User 9 09 13 AMMONIA User Manual B 4 Safety amp Navigation A Safety Electrical Shock Hazard Opening the Analyzer enclosure with the Analyzer plugged in exposes the user to AC line voltages on the lower of the two Analyzer circuit boards Ground the Analyzer AC power to the ground screw labeled QD and located on the bottom right of the aluminum backplate External 120VAC socket or optional plug boxes are provided with Analyzers installed in North America Both are grounded to the ground screw labeled d located on the bottom center of the aluminum backplate dh USER WARNING CAUTION Water Treatment Analyzers operate steam and water valves and may pump hazardous corrosive and toxic chemicals Opening the Analyzer enclosure exposes user to the risk of electrical shock at power line voltages Understand fully the implications of the control setpoints interlocks and alarms that you select Harm to personnel and damage to equipment may result from mis applicatio
35. between the controller and the valve or solenoid Do not share a common neutral to multiple valves or solenoids Fractional Horsepower Chemical Feed Pumps The controller ON OFF relays are fused at 5 amps total which will power multiple solenoid driven chemical feed pumps and solenoid coils Fractional horsepower chemical feed pumps cannot be directly powered by the controller Use the controller 120VAC control output to switch a motor start relay with a 120VAC coil Fractional horsepower feed pumps are commonly used in high pressure boiler chemical feed applications and waste water polymer feeds Typically the motor inrush current requires a dedicated breaker and separate AC feed from the controller AC power breaker AMMONIA User 9 09 12 AMMONIA User Manual B 3 Water Meters Flowswitches Contact Sets Water meters flowswitches and dry contact sets are connected to input terminals O through V and a ground terminal 5VDC limited by 10K puts 1 2mA through a closed contact set Hall effect Turbines and Paddlewheel water meters are powered by the 15 22VDC analyzer supply thermally fused at 100mA Connecting Meters amp Flowswitches Upper Measure Card n Red Blk Wht Grn 4 20mA DC Power Meter amp Contact Set Inputs sis2T G t THT a J j V Red Jes Red y NL I I A White N N Dry Contact Set Flowswitches Seametrics type Inlerlocks tit Turbine W
36. cordance with the Nernst eguation Basically the ammonia sensor can be used over the temperature range 0 to 50 C Ammonium chloride is recommended for making up calibration solutions A strong alkali is used to adjust the pH of the calibration solutions to pH gt 11 The sample solutions are prepared in the same way For standard on line operation the preparation of ppm standards for a two point calibration differing by at least a factor of 10 is described in appendix E Sensor calibration The sensor is of course also suitable for measurement in situations where the user needs to determine the ammonia concentration as accurately as possible In this case more complex means are reguired for the calibration in order to account for the various influences on the measurement There are two ways of making a guantitative measurement of ammonia e direct measurement with a multi point calibration e the standard addition method The first method requires the setting up of a calibration curve using reference solutions with known ammonia concentration levels The concentration levels of the reference solutions should cover the expected concentration range of the samples The calibration solutions and sample solutions must be treated in the same way in order to achieve maximum measurement accuracy the chemical equilibrium between the ammonium ions and the ammonia must be shifted towards ammonia This is done by adding an alkali which is used to
37. ctrolyte can cause distortion and damage to the inelastic membrane AMMONIA User 9 09 8 AMMONIA User Manual B INSTALLATION amp NAVIGATION Panel is intended for wall mounting at a height where the analyzer can be easily viewed B 1 Plumbing Inlet fitting is 3 8 hose barb and outlet connection and sample vents are 1 2 compression tubing The inlet source should be a representative sample from the process with the following criteria Sample flow rate Adjust needle valve to permit enough flow to allow flow switch to actuate Pressure range at the analyzer inlet 45 psi Pressure at the analyzer outlet if not to drain then it should be lower than inlet pressure Water quality Clear not turbid Maximum temperature 40 deg C 104 deg F Note Do not expose sensors to high pressures Always open the downstream sample shutoff and needle valves first before opening the upstream sample valve when commissioning the unit When turning off the sample stream close valves in reverse order by first closing the upstream valve Sample vent IT TI TI p Sample Out 1 1 1 Sample in AMMONIA User 9 09 9 AMMONIA User Manual B 2 Cabling Wiring B 2 1 Analyzer Wiring Terminals Controllers consist of two circuit boards a front Measur
38. current and Trim Span key ENTER and UP or DOWN to adjust 950 lt 4 20mA outputs may be Interlocked nterlocked When the interlock is ON the current is 4 00mA 0 none RT key ENTER and UP or DOWN to select an interlock Sidebar Calibrate Trim Zero and Trim span places the current loop into Manual mode and then adjusts the zero 4mA or span 20mA level Set your digital voltmeter to measure mA and install it in series with the current loop wiring Series Disconnect one 4 20mA wire from the Analyzer terminal Connect the wire to the DVM or Common and connect the DVM to the wiring terminal If UP or DOWN stops changing the measured current it s because you ve hit the limits of loop adjustment Resolution The nominal resolution of the current loop is 0 1 Example If 4mA 0uS and 20mA 1000uS the current loop has 1uS resolution If 4mA OuS and 20mA 10000uS the current loop has 10uS resolution AMMONIA User 9 09 46 AMMONIA User Manual Analyzers are defaulted to Keypad Password OFF To turn ON the Keypad Password press ENTER and DOWN to Configure at the power up or day time display Key ENTER O Configure Key DOWN to Keypad Password Key ENTER DOWN ENTER to turn ON Keypad Password You ll view the Login display when you select a password protected part of the Analyzer See Login Displays Key ENTER Key UP or DOWN to change the underlined letter or digit Key RIGHT to move the underline
39. d or cloudy samples can also be measured The pH value must be greater than 7 3 or the chemical equilibrium of the ammonium ions shifts towards the ammonia state If the sample contains substances that could damage the sensor membrane such as oils fats or tensides then the ammonia can still be measured using the technique known as head space In this case damage to the sensor is ruled out because there is no direct contact between the sensor and the sample Measurement is performed in a gas tight space above the substance being measured This gas tight space above the substance being measured is in equilibrium with the liquid as far as ammonia is concerned The simple sample preparation makes determination of the ammonia concentration a fast and economical operation that can be applied with high precision over a wide range of concentration Principles of analyzer operation The ammonia sensor consists of a glass pH electrode and a reference electrode which are surrounded by a common electrolyte that is separated from the liquid being measured by a hydrophobic gas permeable membrane A thin layer of electrolyte is between the hydrophobic membrane and the glass pH electrode Its pH value increases when NH3 gas makes its way through the membrane The chemical processes in the electrolyte layer are described by the following reaction equation NH3 H2O gt NH4 OH 1 This means that NH3 functions as a base and thus increases the pH
40. e bottom of the vessel Any air bubbles on the membrane must be removed AMMONIA User 9 09 26 AMMONIA User Manual Sensor Calibrate N To calibrate a sensor key UP or DOWN NH3 lt D to the target sensor and press ENTER 1 30 ppm Key ENTER O Calibrate r N Calibrate lt n ar ms m Displays current value Key ENTER to modify Enter Value 1 30 ppm Press ENTER to calibrate ji eee nait or EXIT to leave unchanged Editing gor Exit 1 60 ppm Key UP or DOWN to change the underlined digit Key RIGHT to move the digit underline In this example we increased the value measured by a NH3 sensor from 1 30 ppm to 1 60 ppm Sidebar Single Point and Two Point Sensor Calibration The pH temperature and Ammonia sensors should be initially calibrated using two points For example the pH should be calibrated using standard pH buffer solutions of 7 and 10 for the low and high points respectively The Analyzer supports direct sets of sensor OFFSET amp GAIN values After the initial two point calibration we recommend that you perform a single point calibration This can be done by measuring a sample from the sensor sample header and calibrating the sensor based on the grab sample test value In most cases it s the simplest and most repeatable method Appendix E describes in more detail the single and two point calibration methods The NH3 sensor should be calibrated based upon
41. e circuit board and a back Power board The front Measure circuit board supports 7 sensor inputs amp 8 digital Inputs It includes a 2 line x 16 character LCD display USB Type B jack and a microcontroller module AMMONIA User Cable to Power Card Optional ce Measure Card Power Expansion N Running O a Meter amp Contact Set Inputs LOP 0OR SsT UV DC Power Output Turbine Red Blik Wht Grn 4 20mA S1s2T G Contact Head amp Turbine Meters Sensors Sensor amp 5 amp 5 amp 5 RJ45 A amp B G Ethernet amp Current i Jack Loop Flow amp Level Switches Power 9 09 10 AMMONIA User Manual B 2 1 Analyzer Wiring Terminals cont The back Power circuit board has 5 ON OFF Power Relays 4 Variable Freguency Feed outputs and the controller power supply The Ai industrial version of the Aegis includes an enclosure door mounted AC Power ON OFF switch Cable to Measure Power Card Card To Measure Card Line Voltage Select 5 Power Relay 4 Pump optional A Controls Controls door mounted vee AC RELAYS 1 3 AC RELAYS 4 5 FREQUENCY CONTROLS ON OFF RUN Ri R2 R3 RA R5 P6 P7 AC POWER EN NONCNONCNO NCNONCNO AB AB e NEURAS EW EW EW O N ee ee ee O 0SS0 252080000 0500 OSESJOS O AC Power AC Power to r IN amp fused Solenoids S y Auxiliary Power Valves amp Pumps LS OUT A blue tinted electrical shield secured by two thumbscrews covers the terminals of the Power board Controller
42. easier to read amp remember The displayed resolution of a sensor does not alter the data log resolution or the accuracy of sensor calculations AMMONIA User 9 09 33 AMMONIA User Manual To Disable a sensor key UP or DOWN to the target sensor and press ENTER Key DOWN and ENTER O Configure Key DOWN to view Disable Input Press ENTER to Disable The Analyzer removes the sensor from the display UP DOWN sequence and reorders the display OR If the sensor is in use for control used to compensate another sensor or used for inventory or manual entry it will NOT be disabled amp you ll see this display Key EXIT Sidebar Disabling a sensor removes it from the display and all selection menus used Data logging stops for disabled sensors Refer to Enabling Inputs amp Outputs if you need to re enable a disabled sensor 2 4 Sensor Configure Disabling Sensors pH 4C Fes lt and 4 Configure lt H Diagnostic lt and 4 Disable Input lt q Yes NH3 D 1 30 ppm or pH In use error lt Use Disable Input to unclutter the display reducing scrolling key presses AMMONIA User 9 09 34 AMMONIA User Manual 2 5 Sensor Compensation Some sensor compensation like thermal compensation is user selectable Other types of compensation are set by the sensor driver card like corrosion rate Each sensor type has its own set of compensations AMMONIA User 9 09 35
43. en fill up to the 100 ml mark with ammonia free distilled water This is a 100 0 ppm NH3 solution standard which can be used to prepare the actual calibration standards 2 For 10 mol caustic soda solution 40g of NaOH sodium hydroxide are dissolved in about 80ml of ammonia free distilled water in a 100ml measuring flask The solution will become a little warm When it has cooled down to 20 C top up to 100ml with distilled water AMMONIA User 9 09 65 AMMONIA User Manual To prepare the ammonia standards and calibrate the sensor 1 Close the system sample inlet valve item 4 Appendix D 2 Rinse the 1000 ml ammonia analyzer calibration column item 1 Appendix D with distilled water 3 Allow to drain by opening the two valves at the bottom of the column 4 Close both bottom valves and fill column approximately 250 ml with ammonia free distilled water 5 Add appropriate amount of the stock 100 ppm ammonia solution through the top of the calibration column based upon the concentration of the standard desired e For 0 1 ppm ammonia add 1 ml e For 1 0 ppm ammonia add 10 ml e For 10 0 ppm ammonia add 100 ml 6 Pipette 2 ml of the 10 mol caustic soda solution through the top of the calibration column 7 Fill the calibration column to the 1000 ml mark with ammonia free distilled water without creating air bubbles s Open the valve immediately below the column valve 2 Appendix D and allow standard to gravity flow past the ammonia se
44. ent for some unusual sensor types AMMONIA User 9 09 38 AMMONIA User Manual 3 0 Flowswitches amp Contact Sets 3 1 Contact Sets Flowswitch Provides a set of contacts that close when there is flow past or through the sensor Flowswitch contact sets are used to permit the sensor measurement Contact Set State Operating Issues Notes Flow OK to turn ON relay actuated Contact set closes when flow measured Flowswitch device or validate sensor Default Connect to Analyzer input S measurements A manual RUN STOP switch may be used No Flow Immediately turns OFF a in place of or in series with a Flowswitch relay actuated device or suspends sensor measurement Dry Contact Sets Contact sets connected to the Analyzer must be dry without AC or DC voltage on either of the contact set wires Contact sets cannot be shared between the Analyzer and any other Analyzer type or automation system Sidebar Volume amp Contact Set Inputs Analyzer inputs O through V may be set individually to be a water meter or a contact set The Analyzer is defaulted to meters at inputs O to R and contact sets at inputs S to V Phantom Inputs Analyzer inputs W through Z do not have physical terminals but may be enabled individually as either water volume meters or contact sets Phantom meters are used as Rate to volume or Copy Volume to targets Phantom contact sets are used to Mirror Analyze
45. es larr iJ 4 20mA on pH New View Cl Diagnostic arr 0 0 Alarms Events Wi 20mA on NH3 und Toure OReset All Alarms Throttle 4 20mA on pH 4 20 loop open at 12 24 35 18 08 09 4 20mA E 4 20mA on NH3 4 20 loop open at 12 24 35 18 08 09 4 20mA F Sample 2 00 ppm m Test NH3 H RESET SUBMIT Test Sensor Results Values Sidebars Are used to explain typical uses for feed and control functions Sidebars are at the bottom of the page detailing the function New users amp users new to water treatment will find these explanations helpful AMMONIA User 9 09 16 AMMONIA User Manual B 6 Communications USB Services All Ammonia Analyzers include a USB port which is used for three purposes 1 Upload of logged data in XML format to a notebook PC or a PDA operating as a USB host 2 Download of View Configuration Sets into the analyzer 3 Upload of the current controller configuration from the analyzer to support generation of View Configuration Sets and for controller cloning Configuration View sets Controllers with the LB Ethernet option are loaded with the ammonia view Itis selected when the controller is manufactured to be the as shipped view configuration LAN TCP IP The LB analyzer option adds a 10 Base T RJ45 Ethernet port with a user assigned static IP The controller operates as an HTML micro server for command amp control using IE7 and Mozilla s Firefox browsers Logged data
46. ew the effect of the new setpoint In the example the loop current is now 15 36mA 71 496 of the 0 ppm to 20 ppm span is 14 28 ppm Sidebar Setpoints Setpoints may be positive or negative numbers Sensor Setpoint 4 20mAOutput D D 20 00mA 100 0 Set points lt Configure 4mA Setpoint lt H 0 0 ppm 20m Setpoint lt 20 0 ppm Editi ng or Exit 20 0 ppm gt then 20mA Setpoint 20 0 ppm 4 20mAQut put D D 15 42mA 71 4 The 4mA Setpoint may be greater or less than the 20mA setpoint so that the loop current may either increase or decrease as the sensor increases Calculating Loop Current 4 20mA Output current mA 4 16 x Sensor Value 20mA Setpoint 4mA Setpoint Use the absolute value of the setpoint difference for 20mA Setpoint lt 4mA Setpoint For this page s example 15 46mA 4 16 14 28 20 0 AMMONIA_User 9 09 44 AMMONIA User Manual 4 2 4 20mA Configuration To view or modify the sensor controlling the 4 20mA output current key UP or DOWN to the target 4 20mA output and press ENTER Key UP and ENTER Q Configure We re presently in Manual mode Key ENTER to Return to Auto and then UP to Control by Key ENTER to modify Control by Key UP or DOWN to scroll through all enabled sensors Key ENTER to select or EXIT to leave unchanged In this example we selected NH3 to control the 4 20mA loop current Sidebar Select Sensor 4 20mAOutput
47. in gt then No Flow Alarm 60 0 min Is ON for more than 13 hours either the flowswitch has faulted or operation has changed No Flow Alarm If you had a treatment system that runs 24 7 you d want to alarm on a flowswitch That has no flow since it indicates that the sensor or injection line is blocked or inadvertently valved OFF AMMONIA User 9 09 40 AMMONIA User Manual A contact set ON can be switched to OFF using Invert Sense To view or modify a contact set Invert Sense key UP or DOWN to the target contact set and press ENTER then DOWN Note that in this example RUN STOP U is currently OFF Key ENTER O Configure and then UP to Invert Sense Key ENTER and UP to display Yes Key ENTER to select YES and EXIT to display that in this example RUN STOP U now displays ON Key ENTER and UP to RUN STOP U Diagnostic Current State displays that the U contact set is OPEN and that U is inverted amp lnvert Sidebar Inverting Sense Contact sets interlock and control when they are ON 3 3 Inverting Contact Sets Invert sense RUN STOP OFF and Configure Diagnostic lt ana 4 Invert sense No lt and Invert sense Yes lt and Interlock OFF Diagnostic Current State OPEN amp l nvert For non inverted contact sets ON is when the contact set is closed If you wish to Interlock or control when the contact set is open set Invert sense to YES If your
48. in the thin electrolyte layer in front of the glass pH electrode Since there is only a very small volume of liguid between the hydrophobic PTFE membrane and the glass electrode the electrode reacts very sensitively to the smallest amount of ammonia A strongly simplified derivation leads to the following relationship between the sensor signal and the concentration of ammonia in the substance being measured The reaction Eguation 1 is described by the law of mass action K NH4 OH NH3 2 K equilibrium constant x concentration component x AMMONIA User 9 09 5 Concentration AMMONIA User Manual The electrolyte has a relatively high concentration of ammonium chloride so the concentration of ammonium ions in the thin electrolyte layer may be regarded as constant if a small amount of NH3 permeates the membrane and NH4 is formed in accordance with the equation given above As a result the concentration of ammonium ions can be included in the equilibrium constant K K OH NH3 or OH NH3 3 Applying the Nernst equation thus results in the following dependency E E S log NH3 4 E electrode potential Eo standard electrode potential S slope f T pH dependence In accordance with the above mentioned reaction equation Equation 1 ammonia NH3 in an aqueous solution is in a pH dependent equilibrium with ammonium ions NH4 This dependence is shown in Figure 3 1 0 0 8 NH ammo
49. ing and connecting a solution ground Unstable drifting pHs will occur if the solution ground is disconnected Warning 2 Turn OFF the controller before connecting or disconnecting pH and ammonia sensors AMMONIA User 9 09 70 AMMONIA User Manual Sensor Set Selection Turn controller OFF before changing sensor selection jumpers Controllers check selection jumpers on power up loading default Offset and Gain on range change Dual pH No Jumper EE 20 P N iso 20 PO Driver Test Header DVM S1 Sensor 1 mV x 1 Hees S2 Sensor 2 mV x 1 ID Card ID Level COM ID Card ID Level pH amp NH3 1450 28o1 AMMONIA User 9 09 71 AMMONIA User Manual lO 4 20mA Output Safety 30 VDC maximum on field wiring terminals 24 VDC maximum on internal card surfaces Services The IO driver provides one or two DC isolated loop powered 4 20mA outputs The current output level 0 to 100 is logged by the analyzer Card Installation 1 Turn OFF the controller AC power 2 IO driver cards may be installed in the Sensors E amp F slot 3 Turn ON the controller after installing the IO Driver and the controller will auto configure displaying the current output on the LCD display and browser Current Loop Wiring Distributed Control System Remote Proportional Monitor Control Loop Powered 4 20mA Input Pump or Valve 4 20mA Input Controller DC Supply 15 to 22 VDC Supply Therma
50. inputs and Ena b e Inputs lt J meter contact input available for enabling 2 d Key ENTER to select one 12 unuse a Displays the number of relays and freguency En able Outputs Pr controlled outputs available for enabling 4 d 4 Key ENTER to select one L VIIS E J Sidebar Disabling I O Individual Inputs and Outputs are disabled by keying ENTER at the target I O display and selecting a Configure sub menu option I O in use by the Analyzer for control or sensor compensation cannot be disabled Disabled I O does not display is not logged and does not appear in the selections used to compensate and configure other enabled I O Enabling Inputs Sensor inputs A B and G Temperature A B amp G may be enabled or disabled but their function is fixed The function of Sensor inputs C D is set by the installed sensor driver card to be pH and AMMONIA Phantom Sensor inputs H to N are enabled as needed to for tank inventory and ppm calculations and to log manually entered drop counts Contact Set Inputs O to V are enabled and configured for either water volume meters OR flowswitches Phantom Meter Volume or Contact Set inputs W to Z are enabled as needed Enabling Outputs Outputs 1 to 5 are AC power switching relays that are enabled to power field devices Outputs 6 to 9 are frequency controlled outputs AMMONIA User 9 09 51 AMMONIA User Manual 5 4 Enabling Inputs amp Outputs Enable an Input
51. installation by powering OFF the controller plugging in the upgrade card and powering ON The controller recognizes the new hardware and auto configures modifying the LCD display to add the new sensor inputs and sub menus The diagnostic browser view auto enables the new sensors and displays their current values No additional hardware is reguired to connect another water meter flow or level switch Enable the input and the new device appears automatically in all of the selection and configuration menus OP pH Ammonia Safety 1VDC maximum on field wiring terminals 24 VDC maximum on internal card surfaces OP Driver Installation Services The OP driver measures ammonia and pH sensors Driver Card Installation 1 Turn OFF the controller AC power 2 OP driver cards can only be installed in the Sensor C amp D slot 3 Connect the pH and ammonia sensors to the driver field wiring terminals 4 Turn ON the analyzer after installing the OP Driver and the controller will auto configure displaying the installed sensor or sensors on the LCD display and browser AMMONIA User 9 09 69 AMMONIA User Manual Sensor Wiring Bare Shield to Clear center wire to Ammonia Sensor Sensor Entry amp Solution Ground pH Sensor Do not install sensor cabling in the same conduit as AC power cabling Solution grounds are single conductor AWG18 22 0 25 0 75 mm Warning 1 Do not install pH sensors without install
52. is served as an XML file in response to an HTML reguest Modem The RM controller option adds a 57 600 baud micro modem that provides a PPP connection so that remote users can browse the controller AJAX supports the same graphical View interface used by on site users B 7 Data Logging Each enabled input and output is logged by the analyzer as a user set interval from 5 to 1440 minutes Each I O can be independently logged at its own rate The default rate for all I O is 60 minutes with a 600 sample log size Sensors log minimum maximum and average Water meters log volume Contact sets log time ON Power relays and valves log ON time in seconds Alarms are time amp date stamped The last 25 controller activities are time and date stamped with the user ID Note Data logging of relay ON time stops when AC fuse fails since without a fuse a relay can t power ON a valve or solenoid AMMONIA User 9 09 17 AMMONIA User Manual C MINIMAL START GUIDE Safety Sensors are installed into pressurized piping Loose or improperly assembled fittings may leak water or chemicals Do not leave the analyzer turned ON unless you have configured it for the site s water treatment program amp verified that auxiliary equipment is operating FYI inserts For Your Information explanations Here s what we re going to do Startup walks you through analyzer set up step by step We ll start by verifying each sensor First time users Have the
53. isplay to view alarms In this example the sensor connected to input B and the device controlled by Relay 2 have alarmed Press ENTER to view or clear Alarms Press ENTER to clear Alarms and reset all alarmed feeds and reset the delay on alarm for all sensors Exit the acknowledge display by pressing ENTER or any key Returns to the main menu Alarms display See Sidebar O bottom of page Press ENTER then DOWN to view active alarms Alarms display until cleared so you ll know there was a problem although it may have occurred when you were not O the Analyzer Press ENTER at Alarms and UP or DOWN to view active alarms G is a Temperature sensor which has exceeded or is exceeding it s high alarm 2 is a valve which has exceed it s minutes ON today alarm AMMONIA User 9 09 23 Thu 16 54 10 4 S N A076X0486 Al ar ms 4 B 2 Clear Alarms lt Al ar ms Cleared Alar ms Reset All lt Al ar ms 4 none View Alarms Al ar ms 4 B 2 lt and 4 Al ar ms lt H Activity Log Temperature G Alarmed High 4 Valve 2 Limt Time Day AMMONIA User Manual 2 0 Sensors Ammonia pH Temperature 4 20mA 2 1 Sensors 4 20mA Inputs Specialized sensors for other process and water treatment parameters are connected to the Analyzer 4 20mA inputs where they are used for monitoring and data logging Sensor Operating Issues Notes Measures Ammonia Sensor measures free ammonia within a pH
54. lenoid 1 3 4 Contact Set Controls Adjust Setpoints Solenoid 1 qe OF F Setpoints lt Test Prime TurnON setpoint 30 sec OFF Setpoint i 0 sec Editing or Exit 900 sec gt then OFF Setpoint lt H 900 sec The TurnON Setpoint is set to 30 seconds to prevent transient states from triggering a backwash The OFF Setpoint is set to 900 seconds 15 minutes the time reguired to backwash the filter Set the ON Time alarm on Pressure V to 20 minutes because if V hasn t turned OFF in 20 minutes then backwashing failed and filter pressure is still high AMMONIA User 9 09 42 AMMONIA User Manual 4 0 4 20mA Outputs 4 1 4 20mA Output Setpoints 4 20mA Outputs display both the loop current and its corresponding the 0 100956 This example display occurs on installing a new 4 20mA output card To view or modify a current output Manual setpoint key UP or DOWN to the target output and press ENTER Key ENTER O Setpoints Manual User sets current Auto Sensor controls current Displays the present 0 to 100 output setpoint Key ENTER to modify Key UP or DOWN to change the underlined digit Key RIGHT to move the underline Press ENTER to save the new Manual Mode setpoint or EXIT to leave unchanged Key EXIT twice to view the effect of the new setpoint In the example we ve increased the loop current from 4 00mA to 8 32mA Sidebar Manual Mode Use Manual mode to verify the 100 ON 20m
55. lly fused at 100 mA AMMONIA User 9 09 72 AMMONIA User Manual Configuration Operation Manual Auto A 4 20mA output may be switched from Auto control to Manual Manual mode allows the user to set an output from 0 to 100 to base feed set up feed rates and verify monitoring inputs On return to Auto the 4 20mA span and controlling sensor or relay are restored unchanged Hardware Calibration DVM DC Volts V COM 4mA 1V Verifying Loop Current 20mA 5V 1 Insert a mA meter in series with current loop cabling OR 2 Test with loop disconnected as shown on right Loop Terminating Resistor Typically 249 ohms Hardware Calibration is used to compensate for component level errors It s only available via the keypad and forces the current loop to 20mA to adjust SPAN and to 4mA to adjust ZERO Trim Zero default ZO Trim Span default 950 AMMONIA User 9 09 73
56. n Unplug or turn OFF the AC power to the Analyzer if you have any concerns regarding safety or incorrect Analyzer operation and notify supervisory staff YOUR ANALYZER Ammonia Analyzers are supplied in many different configurations part numbers and sensor sets Applications extend beyond water treatment The HELP section depicts the installation plumbing header showing the sensor set supplied with your Analyzer It also includes the information for terminating the sensors supplied with your specific Analyzer part number The START UP section is specific to your application and details modifying the default Analyzer settings for your site AMMONIA_User 9 09 14 AMMONIA User Manual UP amp DOWN to view options KEYPAD or to EDIT numbers If you get lost in a sub menu press EXIT amp you ll stop what you re doing amp move back to the main Move RIGHT to select next menu field when EDITing ENTER to select an option An ENTER symbol on the display signals that amp to execute EDITing there are sub menus available EXIT to escape option 8 info display or EDITing MAIN MENU The sensors and controls in the main menu vary with your Analyzer part number and sensors and pumps that you enable or disable The main menu groups sensors with the relays that they control Where are Sensors and Relays Connected You may modify the names of sensors and outputs but the Analyzer tags each input with a letter A to 2 and each output
57. nium ion NH ammonia 0 6 0 4 0 2 6 7 8 9 10 11 12 pH value of medium 25 C Fig 3 pH dependence of the eguilibrium between ammonia and ammonium ions AMMONIA User 9 09 6 AMMONIA User Manual Only NH4 ions ammonium are present at pH 7 The ratio of NH4 ions ammonium to NH3 ammonia is 1 1 at pH 9 3 Only NH3 ammonia is present at pH gt 11 If ammonium ions are predominant in the solution as is the case in the acidic range then they must be converted into ammonia NH3 by the addition of a strong alkali e g NaOH adding 10 N NaOH solution to the liquid being measured for a pH 11 since the membrane is only permeable for ammonia water in a liquid aggregate or ionic constituents such as ammonium ions cannot pass through the membrane Ammonia sensor membrane caps The advantage of the ProMinent sensor for ammonia is that prefabricated membrane caps are available thus avoiding the manual fitting under tension of the sensitive membrane Concentration range The potentiometric measurement of ammonia shows a linear characteristic over a wide range of concentration on a semi logarithmic plot as is indicated in the following conversion table for various units of concentration mol l ppm as N ppm as NH 5 x 107 7 x 10 8 5 x 10 10 1 4 x 10 1 7 x 10 10 1400 1700 1 14000 17000 Table 1 Conversion table for various units of concentration At especially low levels of
58. nsor Calibrate the sensor per section 2 2 sensor calibration o Place valves back in correct position to measure incoming system sample after calibration s NOTE Refer to Section 2 2 Sensor Calibration for keypad sequences to perform calibrations UP amp DOWN to vi ti or to EDIT numbers Move RIGHT to select next field when EDITing ENTER to select an option amp to execute EDITing lt EXIT to escape option info display or EDI Ting AMMONIA User 9 09 66 AMMONIA User Manual APPENDIX F SENSOR AND OUTPUT DRIVER CARDS OP Driver The OP driver measures ammonia and pH sensors Driver Card Installation Enable both of the analog inputs at the driver socket location Turn OFF the controller AC power OP driver must be installed in the slot indicated below Connect the ammonia and pH sensors to the driver field wiring terminals Turn ON the analyzer after installing the OP Driver and the controller will auto configure displaying the installed sensor or sensors on the LCD display and browser oP Or Sensors Modem Power Expansion Sensors C and D E amp F Part lO Analog Outputs Sensor inputs O O Control Running Module With Optional Ethernet N B Meter amp Contact Set Inputs 515214 6 emo pan es uv 290080 082085 090082 AMMONIA User 9 09 67 AMMONIA User Manual Sensor Types ProMinent pH type Ammonia type and temperature type Warning 1 Do not install the pH
59. on With the standard addition method the user can exclude matrix specific influences that are not accounted for when setting up a calibration curve the first method The remarks made previously about the shift of the chemical eguilibrium in the ammonia direction also apply to the standard addition method Procedure for laboratory measurements In order to ensure that the chemical eguilibrium between ammonium ions and ammonia is shifted towards ammonia as completely as possible alkali must be added to the samples with the unknown concentration and the standard solutions just before starting measurement One can for instance proceed as follows 100ml of standard solution resp 100ml of the sample have 1ml 10 mol caustic soda added until the pH value has reached at least 11 samples with a low pH may reguire the addition of a substantial amount of caustic soda to reach a pH of at least 11 If in doubt the pH must be measured Samples and standard solution should be stirred with a magnetic mixer and mixer paddle so that the measurement stabilizes guickly But care must be taken that the samples and standard solutions are not warmed up by action of the magnetic mixer If necessary a thermally insulating plate must be placed between the vessel and the mixer plate The ammonia sensor should be mounted on a stand in such a way that it is immersed in the liquid in the sample vessel placed on the mixer but does not touch the magnetic mixer paddle or th
60. or adjust the Metric U S Units setting S press ENTER and DOWN to Configure Thu 16 54 10 t at the power up or day time display S N A076X0486 then Confi gure adi Key ENTER O Configure d iis Ti me amp Date Y This Analyzer in currently set to U S units Metric Units lt Temperatures are in F and volumes No 4 greater than 100mL are in Gallons lt and Metric Units Key ENTER to DOWN to switch to Metric Units Yes 4 lt Key ENTER to set Metric Units Metric Units or EXIT to leave as U S Units Yes oth Sidebar Commissioning Select U S or Metric Units when you commission or install the Analyzer Data logging uses the Units setting for the units on logged volumes and temperatures Changing units does not change data already logged Metric Inputs Non 4 20mA temperature inputs are converted to Centigrade using the default offset and gain for each of the thermal input type If you switch back to U S units temperatures are converted to Fahrenheit using the default offset amp gain removing the effect of any user calibration ppm calculations now assume metered volumes in Liters and not gallons Metric Outputs Volumes are reported in mL amp Liters Event volumes are in Liters and not Gallons The Analyzer uses the units of the ammonia sensor for setpoints AMMONIA User 9 09 53 AMMONIA User Manual 5 6 Configurations To view or adjust the configuration of the whole Analyzer Thu 16 54 10
61. or from its mount and place in container holding buffer solution Rinse sensor and container with distilled water thoroughly before filling with second buffer solution For Temperature A two point calibration can be achieved using an ice bath 32 deg F for the low point and a room thermometer for the high point The sensor should be removed from its mounting and allowed to stabilize for several minutes before calibration at each value For Ammonia Recommended Standard Ricca Chemical Co Cat No 615 32 Ammonia Standard CAS No 12125 02 9 1 00 ml 1 00 mg NHs 1000 ppm NH3 1 00 ml 822 4 ug N 822 4 ppm N NH4CI in water Use the ammonium chloride standard solution above and make up standard solutions for two point calibration To ensure proper operation and for the initial ammonia sensor calibration prepare two test solutions that differ in their ammonia concentration by at least a factor of 10 The standards should be made up to cover the expected operation range 2 ml of 10 mol caustic soda should be added to each standard prior to calibration to elevate the pH gt 11 in order to convert any ammonium to ammonia Preparation of the two required solutions for ammonia calibration 1 For stock 100 0 ppm ammonia solution Pour 10 ml of the recommended NH CI ammonium chloride standard 1 mg 1 ml 1000 ppm NH3 solution into a 100 ml graduated measuring flask partially filled with ammonia free distilled water mix slightly and th
62. r outputs and then to sequence or block other Analyzer outputs AMMONIA User 9 09 39 AMMONIA User Manual To view or modify contact set Alarms key UP or DOWN to the target contact set input and press ENTER Key UP and ENTER O Alarms Alarms if the contact set is ON today for longer than the ON Time Alarm Timing resets every time contact set turns OFF and at midnight Alarms if the contact set is OFF today for longer than the No Flow Alarm Timing resets every time contact set turns ON and at midnight Keying ENTER to modify Key UP or DOWN to change the underlined digit Key RIGHT to move the underline Press ENTER to save the new No Flow Alarm or EXIT to leave unchanged In this example we ve reduced the No Flow Alarm from its factory default of 1500 minutes to 60 minutes Sidebar Default alarm times are set so that contact sets won t alarm unless user configured It s unlikely that you would set both alarms on any one contact set but the ability to alarm both ON amp OFF states gives you a lot of application flexibility ON Time Alarm If the pressure switch on your RO or sidestream filter shows high pressure for more than 30 minutes you d like to log an alarm If the flowswitch is ON between 6 00AM amp 6 00PM 3 2 Contact Set Alarms Alarms Fl owswitch 415 ON 52 6min Al ar ms lt Configure ON Time Alarm lt q 1500 0 min 4 No Flow Alarm lt lt 1500 0 min Editing or Exit 0060 0 m
63. range of 7 3 to 12 0 Calibration is performed with a pH adjusted standard solution The terms ammonia NH3 and free ammonia are used interchangeably in reference to this sensor pH Install vertically tip down Requires a solution ground Reliability increases if calibrated in line Temperature Sensors connect directly to the Analyzer and sensor driver cards Some sensor types are converted to 4 20mA inputs prior to measuring 4 20mA Most operational problems occur during Inputs commissioning ensuring the loop is powered and converting the measured current to the sensor units AMMONIA User 9 09 24 AMMONIA User Manual 2 2 Sensor Calibration General advice on performing ammonia sensor calibration Possible calibration procedures for the potentiometric measurement of ammonia are direct calibration with a series of calibration solutions or the addition method For the latter method a known guantity of a standard solution is added to a sample of the liguid with the unknown concentration and from the change in signal one can work back to calculate the initial concentration During calibration and measurement care must be taken that the sample and the calibration solution have the same temperature otherwise the transport of water vapor through the membrane can cause drifting of the electrode Furthermore the temperature also affects the slope of the sensor characteristic which is temperature dependent in ac
64. s may be supplied prewired with either 120VAC NEMA sockets or with an optional plug box Variable frequency pump control cables may be pre wired AMMONIA User 9 09 11 AMMONIA User Manual B 2 2 Wiring Rules Analog Sensor Wiring Analog sensors contact sets water meters and flowswitches may be cabled in a common conduit without causing operational problems Do not mix AC Line 120VAC amp 240VAC wiring with any sensor or communications cable in a common conduit Grounded metallic conduit is preferred in areas where variable freguency drives operate Sensor cables with the exception of pH sensors may be extended in paired AWG22 0 25mm cable Ensure that cabling splices are accessible in conduit fittings or junction boxes Verify that the shields on contact head water meters are also spliced when meter cables are extended Ground cable shields at one end only to the internal frame lower bottom grounding screw Ethernet LAN Cabling CAT5 LAN cabling is limited to a maximum of 300ft 100m from controller to access hub Do not exceed this limit AC Controller Power Power the controller using a dedicated separate breaker in the local lighting distribution panel Do not route the controller AC power in common conduit with variable frequency pump drives AC Power to Valves amp Solenoids Controller ON OFF relays switch and power the AC line to valves amp solenoids Ensure that each valve amp solenoid has a dedicated neutral cable
65. sensor inputs used for control and logging Inputs used to for calculated and manually entered values Calculated ppm amp inventory tank levels Manually entered drop count chemical test results Meter Contacts O to V Eight digital inputs individually configurable as meter volume or contact set inputs Meter volume inputs totalize display volume today and this year calculate turbine K factors and debounce contact head meters Contact sets are flow and level switches They are used to interlock and to initiate feeds Meter Contacts WtoZ Phantom digital inputs used for control and A 4 20 GPM input may be converted to a volume X A relay state may be mirrored by phantom input Y which logging is used to start a rinse sequence by controlling relay No 4 Relays 1 to 5 AC Line powered Controller powered outputs switch 120 or 230VAC pumps ON OFF controls valves amp solenoids ON OFF Log time ON AMMONIA User 9 09 68 AMMONIA User Manual Alarm on runtime per actuation amp per day Relays 2 5 are SPDT for motorized valves reguiring power OPEN amp power CLOSE Freguency DC isolated Variable speed feeds with presets for popular pump Outputs 6 to 9 non mechanical ml stroke and maximum rate Calculates amp logs volume 0 to 400Hz fed Use volume fed to calculate ppm amp inventory Field Replacements Sensor driver cards can be added after
66. t then Description lt H No 1 NH3 Description editing using the keypad is limited to capital letters and numbers to keep scrolling time reasonable Browser users are not limited but all user text editing is rejected if it contains HTML delimiters like Avoid assigning duplicate or similar names for sensors requiring the user to identify using only the identifying letter A to N Each sensor has only one name It s the same for both Keypad LCD and Browser users and is included in the Analyzer data logs AMMONIA User 9 09 32 AMMONIA User Manual To modify sensor Resolution the number of digital after the decimal key UP or DOWN to the target sensor and press ENTER Key DOWN and ENTER O Configure Key DOWN to view Decimal digits Press ENTER to modify Key UP or DOWN to change the resolution Press ENTER to set a new Decimal digits or EXIT to leave unchanged In this example we ve changed the number of digits after the decimal point from 2 to 3 changing the display of NH3 from 1 30 ppm to 1 306 ppm Sidebar When you select the number of digits displayed after the decimal 2 4 Sensor Configure Adjust Resolution NH3 D 1 30 ppm lt and 4 Configure Di agnostic and Decimal digits 2 Deci mal digits 3 4 lt then Decimal Digits NH3 1D 1 30 ppm 3 Keep the number to a minimum to unclutter the display making sensor values
67. ty varies with mes plug SJTW jacket black 60 n be 120VAC Pump Solenoid 0 to 5 AWG18 3 wire 12 long Quantity varies with Analyzer Plug Sockets NEMA receptacle sockets black Part number Surge Spike Suppression Relays 2 5 NO contacts Analyzer transformer isolated Control Fusing snubbed 0 1uF 150R from AC line Varistor on control AC input Control fusing not user accessible AC Terminals AWG 14 150mm Electrical grounds at bottom of UL rated 300V O 10A aluminum backplate Conductor insulation rated 600VAC minimum Sensor Digital Input AWG 22 0 25 0 50mm MAX AWG14 150 150mm Terminals DC Loop Turbine Meter 15 22 VDC unregulated Available at 3 field wiring Power Thermally fused 100mA hold terminals DC Power Output trip O 200mA Rising clamp type AMMONIA User 9 09 60 AMMONIA User Manual APPENDIX A Ammonia Analyzer Assembly 1000 mL PVC CALIBRATION COLUMN PT 100 TEMPERATURE SENSOR W TRANSDUCER P N 305063 SENSOR P N 809128 TRANSDUCER AMMONIA SENSOR W IMPEDANCE CONVERTER PH RANGE 7 11 IMPEDANCE CONVERTER NOT SHOWN P N 1035557 DRAIN VALVE NEEDED TO FLUSH SYSTEM 2TYP SAMPLE INLET W ISOLATION VALVE 1 4 PVC NPT PVDF SENSOR HOLDERS P N 7305021 AMMONIA User 9 09 61 3 4 PVC TEE W PLUG SPARE BLACK POYPRO PANEL 30 X 24 AMMONIA ANALYZER P N 7746329 PH SENSOR PHEF 012 SE SENSOR P
68. umo sensor membrane cap 28 1 Jumo electrolyte 29 1 1 Bottle ammonia standard 1 000 ppm 30 1 1 pipette with bulb 31 1 1028807 1000 ml calibration column 32 1 7760254 Dual 4 20 mA output board 33 1 7760256 Dual pH ORP Driver board Recommended Spare Part AMMONIA User 9 09 63 AMMONIA User Manual APPENDIX D Component Description Component description 1 Calibration column is used for gt Adding or making calibration standards when calibrating to standard methods Capturing sample when calibrating to a photometer Normal operation acts as a delay chamber and a dampener 2 Valve for isolating calibration coulomb 3 Drain valves needed to flush system for standard method calibration Also it is could be used for taking a calibration sample for photometer calibration 4 Sample inlet with isolation valve 5 Metering valve to set flow rate between 200ml 500ml min 6 Ammonia sensor with impedance converter Impedance converter not shown 7 Pt 100 temperature sensor with transducer 8 pH sensor 9 solution grounding screw 10 overflow tube connection tube needs to be run higher than the top of the calibration coulomb 11 Flow meter with flow switch 12 Ammonia analyzer AMMONIA User 9 09 64 AMMONIA User Manual APPENDIX E Standards Preparation for Sensor Calibration Recommended Standard solutions For pH Use pH buffer solutions 7 and 10 for two point calibration Remove pH sens

User Manual - ProMinent Fluid Controls, Inc.

Contents

Download Pdf Manuals

Related Search

Related Contents