HYDROSENSE 3420 User Manual - Can
Contents
1. 5 14 RS 485 Parameters For instruments manufactured on or aflar June 2003 the following menus can be used to modify the RS 485 parameters Those menus wil only appear if he RS 485 is enabled sao 8 1 The default is B Bit no nOnE Party 1 Slop Bit Make selections using the and bullons then press tho button to move 1o the next meni Fagsziorsz 10 HS3420 2 103 amp higher mm Hs3420 USER MANUAL mentpoo 4 UE gt CONFIG PR T WM AUTO CAL roon 5 T P 545 Desiccant Alarm When the humidity detector in the HS3420 indicates that the intemal environment is close to tho point where humidity could cause condensation the instument wil display DESC as a warming If desired a desiccant waming can activate ho alarms and send the 20mA to 2mA To activate he alarms when the desiccant fais select On in the DESC menu The default for this menu is OFF Make selections using the lt and buttons then press the s button to move to return to AUTO mode 5 16 Saving Configuration Settings I extended settings is set to OFF pressing the J bution will save all setings and the HS3420 vil automaticaly return to the normal AUTO mode af tho instrument n Fagezzorsz 10 HS3420 2 4 03 amp higher T EE Hs3420 USER MANUAL meetpoo 44 I extended settings is set to On after the last menu of the extended se2. I the desiccant alarm is turned off and the desiccant becomes saturated a screen warning of DESC wil appear An error indicates a failure or a problem that usually can be corrected by the operator These errors consist of lamp out LAMP 4 20 mA loop open MA bad calibration CAL if desiccant alarm activated and replacement required DESC if enabled no flow FLOW f equipped with the flow switch If the 1183420 is equipped with ultrasonic cleaning an additional message wil indicate thatthe ultrasonic transducer is not making contact or the flow through has been removed CLN If any of these conditions occurs bath alarm relays wil be activated and the 4 20 mA output wil be held al 2 mA If any ofthese errors occur the instrument wil stil display readings however the accuracy is not known and the instruments readings should not be trusted A failure is a system faut This is NOT a problem that the operator can correct and the unit must be retumed to the factory for service These failures consist of failures in the CPU AID EEPROM or other devices intemal to the instrument FAIL If a failure occurs the instrument wil not function properly and wil display the word FAIL on the lower row both alarm relays wil be activated and the 4 20 mA output Wil be hold at 2 mA If 4 20 mA is selected any fault conditions oeur the message indicating the fault wil be shown on the lower rov of the display 8 2 System FAIL Message Normall
3. 510 Displayed Resolution The instrument is equipped with the abilty to display several levels of resolution The instrument can display up to four digits to the right of he decimal place for ol concentration readings below 10 ppm The defauit setting is 0 1 ppm If the last digit or two is not stable adjust the resolution to hide these digits AUTO REG Change the resolution by pressing he or button When the desired digit resolution has been Selected press tho button 5 11 LCD Backlight Brightness The LCD backlight brightness may need to be adjusted This is of particular interest if multiple instruments are located in he same area and it is desired for the entire group to have the same appearance Ten levels are available The default brightness is 8 10 HS3420 2 4 03 amp higher Fage 20a a7 Hs3420 USER MANUAL mani Doc 14 Change the brightness by pressing the or button When the desired brightness has been selected press the J bution 5442 Setting the Units The most common unit is ppm however the instrument can display in mg L All instruments are shipped trom the factory set in ppm made Make a selection using the and butions than press he bution 5 43 Ultrasonic Cleaning This allows for a selection menu Io tum off the ultrasonic cleaning funcion if desired The default modo is On Make a selection using the and buttons then press the 1 bution
4. Pouch The HS3420 continuously checks the condition of the desiccant When the desiccant gets in such a condition halt may cause problems the instrument will display DESC on the lower portion of he display o indicate the presence of humidity See Proper use of the supplied desiccant is essential in maintaining the performance of the instrument The desiccant has been designed to have a ong Ife however replacement of the desiccant pouch wil be required from T time to time Mri essential that all enclosure seals be maintained to ensure adequate desiccant Jie The emergency drain and o rings that are supplied with each new Instrument form part of the instrument humidi seal Other seals are in the sensor Bottom and the O ring under the flow through unit Inspect these items ach time the desiccant pouch i replaced Replace any parts found to be defective The desiccant should be replaced when the instrument displays DESC A naw sealed desiccant pouch and indicator card are available from Aray Engineering Lid To initially install or remove the old desiccant simply unscrew a ac four comer thumbserews and remove the electronics half of the instrument o Open the bag protecting the new desiccant pouch and replace or install for a new instrument in the desiccant ray assembly To speed up the recognition by the AXE instrument of the new desiccant it will be necessa to reset the instrument by disconnecting the sensor
5. buttons to cycle through and select the desired function Press the I button To accept tha selection I the alarm was tumed OFF a prompt wil appear to set up alarm 2 go to section 832 on the other hand one of the other functionalities was selected a prompt wil appear to set the delay times Alarm 1 Set Point This prompt is used to select the set point for this alarm this is indicated by SIP shown on the lower row of Ihe display Select the desired alarm level by using the and Y buttons Once the desired set point has been set press the button to accept IL Alarm 1 Delay Times Delay On The following display wil appear to allow to select the number of seconds currently set for the delay on time Page torso 10 HS3420 2 1 03 amp higher USER MANUAL mentpoo 44 The current selected number of seconds willbe shown Select the desired number of seconds for the delay on time for this alarm using the and buttons Once the desired delay time has been set press the buton to accept it Delay Off Next the following display wil appear to select the number of seconds currently set far he delay off time The curent selected number of seconds wil be shown Select the desired delay of ime for this alarm using the lt and buttons Once the desired delay time has been set press the button to accept it After the settings for alarm 1 have been completed
6. mode press the MODE EXIT button 5 1 Selecting the Output O P The first configuration selection is the O P The selections are 4 20 for the 4 20 mA output 485 for the RS 485 and OFF if no outputs are required Select the desired output by using the and buttons Once the ested output has been set press the 4 burton to accept it The next prompts will depend on the output selected 52 Setting the 4 20 mA I the 4 20 mA output was turned on prompts to set the lower LOLM and upper UPLM pom imis Corresponding to the 4 mA and 20 mA output levels will bo displayed The first prompt wil bo tho ppm limit assigned lo the 4 mA output leve Select tho ppm to assign to the LOLM using the and buttons Once the desired ppm level has been sel press the bultn to accept it The next prompt wil be the ppm level assigned to the 20 mA output level UPLM on the lower row of the LCD display Select the ppm level to assign to the UPLM using the and buttons Once the desired 10 HS3420 2 103 amp higher Page soriz Hs3420 USER MANUAL mentpoo 14 level has been set press the i bution to accept IL CAL 53 Configuring the RS 485 Port f the instrument is equipped with this option and the UO selection is changed to 485 prompts will appear for seting the baud rate and the address Select the correct baud rate 1200 2400 4800 9600 or 19200 for operation of the LO port by p
7. prompts wil allow for the set up of he information on alarm 82 542 Alam 2 Repeat the procedure listed in section SH to set up the parameters for alam 2 If a selection was made to turn the alarm OFF the next selection for the speed of response RESP is shown If one of the other functionalities is selected a promt lo set the delay times and the sel point as with Alarm 1 wil bo displayed 55 Offset Setting OFST Offset is used only lor factory setting 56 Setting the CAL1 and CAL2 The ppm values for the two calibration points CAL and CAL2 must ba determined before calibration See section B2 to determine your ppm values These are entered as the following Push tho button unti CAL is displayed on tho lower row On the top row of the display wil indicate the ppm value of sample or standard Change this value by using or bullons Once the desired ppm value has been set press the 1bulton to accept IL The next CALZ is displayed on the lower row On the top row of the display wil indicate the ppm value of sample or standard Change this value by using or 7 buttons Once the desired ppm value normal Oppm has been sot press the i button Io accept it Page reor32 10 HS3420 2 1 03 amp higher mm Hs3420 USER MANUAL metpoo 1 30 00 rcoweCAL 4 HUHH TE 57 Enabling the Security Access Code The instrument is equipped with a security access If this opti
8. 3 The Display Figure 1 ilustrates all the items that can appear on the display The upper row of the display 1 is used for reporting the ol ppm levels and to provide user guidance inthe customer setting routine The lower row of he display 2 is used to communicate error messages and provide user guidance The display has two Icons 3 that aro used to indicato the use of access code and offset mode In addition mode arrows 4 are used to indicate the curent instrument operating mode AUTO normal operation CAL calleration and CONFIG configuration Faga or3z 10 HS3420 2 1 03 amp higher mm mmm Hs3420 USER MANUAL mesa DOC 3 Figure 1 Display used in tho instrument All ters used on the display aro shown in this figure 14 The Touch Pad Figure 2 llustrates the touch pad The touch pad has four buttons MODE EXIT lt and The MODE EXIT bution is used la cycle between the three operational modes af the instrument CAL CONFIG and AUTO Measurement mode The i button enters the option or mode that Is highlighted or chosen The and buttons are used to change settings t v Figure 2 The HS3420 Touch Pad 15 Vapor Purge The HS3420 is equipped with a continuous vapor purge system A replaceable desiccant pouch in the lower portion of the Instrument dries the air System heat is used to warm the air A fan inside the instrument continuously circulates heated
9. AL maitt Doc 14 NERF mwe HL To recalibrate press the MODE key and start tho calibration sequence again paz mme SEA 10 HS3420 2 1 03 amp higher USER MANUAL meatpoo 44 7 0 ADDITIONAL FEATURES AND OPTIONS 7 1 BacklitLCD Tho backlit LCD allows for easier readability of the LCD display in low ight or no ight conditions The backlight is intended for continuous operation Tho brightness is adjustable from a menu in the CONFIG mode 72 Ultrasonic Cleaning This option is used to continuously clean the flow through cuvette tis not intended to clean cuvettes that are already dirty or replace manual cleaning entirely The system wil increase the time between Gleanings dramatically Please note that he system requires the use of a special cuvette This cuvette must be used for the system lo operate correctly The system works by sending an ultrasonic frequency through spring connections into a piezo transducer bonded ta the bottom ofa low through cuvette The system can detect that an incorrect ouvette is installed an error has occurred in tho transducer ortho transducer is nol making contact with the spring connections This error is indicated by CLN being posted a the lower screen Since this is an error condition Ihe alarms wil ba set and the 4 20 mA wil be sent to 2m It the correct cuvette is installed and the error is stil posted try rotating the low t
10. ANUAL meetpoo 44 1 0 INSTRUMENT OVERVIEW 14 Description Tho HS3420 oil in Water monitor from Arjay Engineering Lid has been designed for municipal and industrial applications to measure PPM levels of hydrocarbons in aqueous solutions Typical applications include PPM trace amounts of ol in efluent water from storm water runoff oll in cooling water produced water and olivater separators Other measurements and mediums can be monitored on request Le colorants in lds etc A continuous sample is directed into the cuvette using a pumped or process pressure source minimal iow rate is required The sample is released from the cuvette by a gravity iow o a drain or sump 12 Unpacking and Inspection The table below indicates the items in the shipment em Quantity HS3420 dv Field Terminal Box amp Flow Through Assembly 1 User Manual 1 Desiccant Pack 1 Guvetia Single Pack 1 Tubing KiE Tahuoi camp backpressure valve 2 connecting tubing wit fitings for flow through assembly drain vont screw used in pressurized systems Remove the instrument from the packing carton Careful inspect all tems to ensure that no visible damage has occurred during shipment If the dems received do not match the order please immediately contact the local distributor or the Ajay Engineering Lid Customer Service department Note Tho cuvette must bo installed prior to operating the instrument 1
11. HYDROSENSE 3420 On line Oil in Water Monitor User Manual Arjay Engineering Ltd Oakvite Toronto Canada L6H 6C9 Tel 41 905 820 2418 Fax 41 905 829 4701 North America 1 800 387 9487 arjay arjayeng com The Hydrosense 3420 offer a low cost approach to monitoring ppm concentrations of emulsified free tls in dean water combining many unique design features into a compact package makes this an ideal solution to monitoring for oil leaks in your water system Light scatter technology responds to petroleum synthetic and vegetable oils Continuous on line monitoring without chemical or lag time Internal ultrasonic pad helps keep the flow through sample cell lean to reduce ARJAY la HydroSense 3420 The Hydrosense 3420 uses a light cater technique to respond to ol contamination in the water A slip stream approach directs a continuous sample low through the Hydrosense unit and back into the process stream While t passes through the sample cell a controlled light source is directed into the water The emulsified oils in the water wil scatter the light toward the light sensors placed strategically around the cell The intensity of light energy is measured to provide an indication of the ppm concentration Ii Features and Benefits E Technical Specifications Control Unit ultrasonic disc generates a continuous leaning Operating Temperature 1 to SUC option
12. al to 0 action within the sample cel to reduce Power input 24 vdc or 110 vac or 220 vac maintenance frequency Alarm Relays 2x2 smp SPDT dry compensation for temperature and lamp output 3120 mA or Rs 48s Seteiortion minimizes recalibration Standards UL GSA CE requirements Endosure Type 4X polycarbonate es long fife amp Fange 100 ppm desiccant chamber keeps electronics dry in Display Resolution ppm humid conditions Instrument Acaray 4 01 ppm continuous display updates every one second Process Accuracy S Lo ppm under stable conditions no consumables or chemical used Sample flow retums to the proces m Performance sample call can be exchanged with prepared The performance is based on the site calibration to a known samples for easy testing and calibration hydrocarbon concentration in stable background water Changes in no tools necessary for routine maintenance hydrocarbon make up and background stability may affect the output Through a simple calibration this unit correlates well with laboratory SO and EPA methods The flow through sample cell s easily removed to insert a test standard Ajay S56 2851 Brighton Road N America 1 800 387 9487 Oakville Ontario emal arjay arjayeng com Canada L6H 6C9 web wwwatjayeng com mum Hs3420 USER MANUAL mmaiti006 4 TABLE OF CONTENTS SPECIFICATIONS 1 0 INSTRUMENT OVERVIEW 1 1 Description 12 Unpacking and inspection 13 The Displ
13. anged Use the lt OT gt arrows to select he first of the three numbers in ha code and then press the button to accept the Page taor32 10 HS3420 2 1 08 amp higher mum STE r Hs3420 USER MANUAL mmaitt 006 44 test number of the code Now enter the second number in the code Proceed as with the fist number followed by Then repeat he process for the third number in the access code and finish with the button it the valid access code has been selected he instrument wil be directed to the calibration mode If the Wrong access code is selected he instrument wil etum to the AUTO mode Refer to section 57 for more information mmm mme Page 4a 32 10 HS3420 2 1 03 amp higher USER MANUAL meetpoo 44 5 0 INSTRUMENT CONFIGURATION The instrument has been designed lo provide the abilty to customize the instrument according to needs at any me during normal operation This mode has been spit into sub menu to faciltate instrument Configuration This section describes how to use each of the sub menus to configure Ihe instrument While in the configuration mode he instrument has a time out feature that automatically returns he system operation to the AUTO mode alter a fiteen 15 minute period Enter the CONFIG mode of the instrument by pressing the MODEJEXIT button unti to arrow beside CONFIG is lluninaled Note To ext the CONFIG
14. ay 14 The Touch Pad 15 Vapor Purge 20 SAFETY 30 INSTALLATION AND COMMISSIONING 3 1 Mounting amp Site Selection 32 Plumbing 321 Drain Vent 33 Electrical Connections 3334 Power 332 RS 485 333 Relays 334 420mA 40 OPERATION 41 Routine Measurement 42 Securiy Access Feature 50 INSTRUMENT CONFIGURATION 51 Selecting the Output OP 52 Setingthe 4 20 mA 53 Configuring the RS 485 Port 54 Configuring the Alarms 541 Alami 542 Alarm 2 55 Offset Setting 56 Settling the CAL and CAL2 57 Enabling the Security Access Code 58 Extended Setings 59 Speed of Response 5 10 Displayed Resolution Page 2or32 10 HS3420 2 4 03 amp higher 10 2 2 2 12 13 13 13 15 15 15 16 16 17 18 18 18 19 19 2 2 mum Hs3420 USER MANUAL mewnpoo 11 511 LCD Backlight Brightness 5 12 Setting the Units 5 13 Ulrasoni Cleaning 5 4 RS 485 Parameters 5 5 Desiccant Alam 5 16 Saving Configuration Settings 5 17 Configuration Setings Sheet 60 INSTRUMENT CALIBRATION 61 Calibration Metholds 62 Calibration Procedures 63 Calbraton Eror 70 ADDITIONAL FEATURES AND OPTIONS TA Backlit LOD 72 Ultrasonic Cleaning 73 RS 485 Outputs 80 Troubleshooting amp Maintenance 8 1 HS3420 Fault Detection 82 System FAIL Message 83 Diagnostic Char B4 Technical and Customer Assistance 90 ROUTINE MAINTENANCE 9 1 Cleaning the Flow Through Cuvete 92 Replacing or Instaling the Desi
15. ays automatically change state when an internal system failure is detected Alarm SetPoint The level al which an alarm activates is called the alarm sel point On the instrument the alarm set point is designated as S P The set point is adjustable lo any valid ppm level over the range of the instrument in steps of 0 01 pom Alarm Delay Time The alarm delay times are used to prevent chattering of he alarm when the measured ppm level is close to the sot point The function of the delay times is as follows olay On The pom level must exceed tho alarm set point continuously for at least this number of seconds before the alarm activates If tho delay on time is set at 5 seconds and the process ppm level exceeds the set point continuously for only 4 seconds the alarm wil not be activated However process ppm level exceeds tho set point continuously for 5 seconds or more the instrument wil activate the alarm Delay Of The pom level must not exceed the alarm set point continuously for at least this number of seconds prior to deactivation of ho alarm I tho delay off ime is sot to 5 seconds and the process has exited out of tho alarm condition tno alarm willbe reset only if the process is out of the alarm condition for a continuous 5 seconds Otherwise the instrument wil stil signal an alam condition 541 Alam 1 Alarm 1 Function The ALM is displayed and the display indicates the current function of alarm 1 HI LO or OFF Use the or
16. be reported in mg L Readings above 100 pm are outside the range of this instrument Readings above 100 ppm will cause the display to fash indicating an over range condition During normal operation the instrument wil have the arrow beside AUTO highlighted with the current scale displayed on the lower row ofthe display and the measured reading on the upper row ofthe display Soe dran bdo gt AUTO 3 L CAL CONFIG P PM 44 Routine Measurement The folowing steps describe how to measure the oil concentration of a sample using this instrument Apply power to the instrument and allow the unit to warm up typically 45 minutes 1 hour on initial commissioning When a continuous process stream is lowing through the instrument the instrument wil display the measured ol concentration of the sample by displaying it on the LCD screen In addition ho equivalent signals provided on the analog 4 20 mA output or the digital output depending on the options selected 42 Security Access Feature The instrument is equipped with a security access code feature that can be activated in the configuration mode IF the security feature s enabled factory set for OFF the screen shown In the ilustraton below Will appear when the MODEIEXIT button is pressed The security code 333 must bo entered to gain access to CAL or CONFIG menus Notice that the first number in tha code is flashing the flashing indicates that this is the number to be ch
17. ccant Pouch 93 Replacing the Source Lamp mmm Fage 3or32 HS3420 2 4 03 amp higher 2 z E E 2 2 E 2 2 2 25 ar 2 27 ar 2 2 2 2 30 a a a a Hs3420 USER MANUAL meetpoo 44 SPECIFICATIONS Measurement Range Accuracy Resolution Response Time Display Alarms Analog Output Communications Port Maximum Water Pressure Flow Rate Operating Temperature Wetted Materials Sample Temperature Range Power Supply Insulation Rating Environmental Conditions Enclosure Rating Certifications Shipping Weight Warranty 0 100 PPM 45 of span oppm Adjustable Muit Line Liquid Crystal Backlit Display Two Programmable 120 240VAC 2A Form C Relay Powered 4 20mA 600 Q drive Bi directional RS 485 Modbus Optional Integral pressure regulator rated 1380kPa 200 PSI Also refer to Flow Rate 100 ml min 1 iterimin 026 26 Galimin 1 C 50 C 34 F 122 F Nylon Borosilicate Glass Sicon Polypropylene Stainless Steel CS0C 34 F 122 F 100 240 VAC 47 63 Hz 80VA Double Insulated Pollution Degree 2 Overvoltage Category I Not recommended for outdoor use Altitude up to 2000 meters Up to 95 RH non condensing IP 66 NEMA4X CE Approved ETL listed to UL 3111 1 amp ETL Certified to CSA 22 2 No 1010 1 82 25kg 5 5 bs 1 Year from date of shipment Faga or3z HS3420 2 1 03 amp higher USER M
18. dry air around tne optical well and the flow through cuvette pnag paaa Tags6or3z 10 HS3420 2 1 03 amp higher Hs3420 USER MANUAL meetpoo 1 This feature eliminates the need fr a dry purge line The HS3420 monitors he replaceable desiccant pouch condition continuously The LCD display wil show DESC on the lower ine in tho event that he desiccant pouch needs replacement Replacement pr rams ar eps d The desiccant can activate an alarm to notify the operator of a saturated desiccant See section SHB Faga Taa 10 HS3420 2 1 03 amp higher Hs3420 USER MANUAL meetpoo 14 2 0 SAFETY This manual contains basic instructions that must be followed during the commissioning operation care and maintenance of tho instrument The safely protection provided by this equipment may bo Impaired if itis commissioned and or used in a manner nat described in his manual Consequenty all responsible personnel must read this manual prior to working with this instrument In certain instances Notes or helpful hints have been highlighted to give further clarification ta the instructions Refer to the Table of Contents to easily fnd specific topics and to leam about unfamilar terms puris Page orsz 10 HS3420 2 1 03 amp higher USER MANUAL meetpoo 44 3 0 INSTALLATION AND COMMISSIONING Frame oe rt e
19. e requested standard or known pm sample that represents the ppm value on the lower display Press the buton to accept the first point calibration The upper display wil count down 30 seconds and then display the ppm value The lower display wil now change to the second point calibration Insert the requested 0ppm clean water of standard AUTO AUTO gt CAL CAL CONFIG 0 CONFIG 9 Press the J button to accept the second point calibration 10 The upper display wil count down 30 seconds 11 The instrument wil retum to AUTO mode at the end the calibration 12 Calibration is now complete 3 Reinsert the fow through unit Note During calibration the fan inside the instrument is turned off to extend tho life of the desiccant The fan will be tumed on during calibration countdowns and after returning to the AUTO mode or after five minutes which ever comes first tis recommended that the measurement chamber be kept covered during the calibration period and that the flow through cuvette be replaced immediately after the calibration to prevent premature saturation of the desiccant 63 Calibration Error Ifthe scroon shown below is displayed after calibration the intemal diagnostics have determined that the Calibration standards were einer bad or that they were inserted in the wrong order Ether check the standards and recalibrate 10 HS3420 2 103 amp higher Faga 25 32 m TE USER MANU
20. e very le head pressure to operate around 6 kPa 1 PSI The iow through cuvette is rated for a flow of 100mmm 1 Itedmin 0 26 0 26Galimn The integral pressure regulator is rated for a maximum pressure of 1380 kPa 200 PSI The maximum allowable fuid temperature is 50 C 122 F Figure 4 Recommended Plumbing for the Instrument The instrument is equipped to be plumbed using 4 75 mm 3 167 D 8 mm 5 167 OD flexible tubing Opaque tubing should be used ithe tubing wil be exposed to sunlight to prevent algae growth In figure 4 there are twa flow devices shown The one on the input side is a shutoff clamp used during cuvette maintenance The other device is a backpressure valvo Backpressure may be required to Prevent ar from coming out of solution which may be observed as tiny ar bubbles The instrument is equipped with an internal foot valve which opens in case the flow through cuvette ruptures to prevent damage lo the sensor The stem of the emergency drain can be connected to a 16 mmm 5 8 tube not supplied to direct the flow of water to a convenient drain in he event ofa cuvette breakage Keep the length of this emergency drain lo a minimum Note The foot valve system can handle up to 1 liter per minute 0 4 gallon per minute Flow rates higher than this will cause the instrument to flood in the event of a ruptured cuvette 321 Drain Vent The HS3420 has been fitted with a drain vent in the OUT bulkhead f
21. ed prior to making connections For ease of connecting remove the plug n terminal black Connections are labeled beneath this termination 3 3 3 Rela The Alarm 1 and Alarm 2 relays are mechanical relays rated at 240 VAC 2A Please note that he relays aro labeled NO Normally Open NC Normally Closed and C Common As these alarms are configured fai safe the normal condition s with power applied to the HS3420 and in a non alarm Condition Operation of these alarms is covered in section 334 420mA The 420 mA output is driven by a 15 VDC power source and can drive recorder loads up to 600 ohms This 4 20 mA oulpul isolated from line power and earth ground Do not run 4 20 mA cables in the same Conduit as power Operation of this output is covered in section 8 Setting the 4 20 mA Optional plcaly isolated outputs are avallable as a factory Installed option Ensure each instrument is not powered when connecting the 4 20 mA To prevent damage to the instrument ensure thal power is disconnected pror to making connections For ease of connecting remove the plug in terminal block Polailes of the connections are labeled beneath this termination Page 2or32 10 HS3420 2 1 03 amp higher USER MANUAL meetpoo 44 4 0 OPERATION The HS3420 allows pr the measurement of the oil concentration of process water on line The ol concentration of the process water is reported in ppm but may
22. ght brightness D UNIT The instrument display unit ppm CLN The ultrasonic cleaning function ON DESC Tne Desiccant alarm function OFF m mm Page aaa HS3420 2 1 03 amp higher USER MANUAL meatpoo 44 6 0 INSTRUMENT CALIBRATION The instrument was calibrated and tested prior to leaving the factory using 30ppm turbine oil Therefore itis possible 1o use the instrument diroclly out of te box Under normal condiions re calbration is recommended at least once every three months Relay contacts are held at the last valid condition and will not change state while the instrument is in the calibration and or in he configuration mode While in the calibration modo he instrument has a time out feature thal automatically retums the system operation to the AUTO mode after a fiteen 15 minute period of inactivity 64 Calibration Metholds There are 3 methods available to calibrate the HS3420 Each method requires two calibration inputs a zero calibration using Oppm clean water and a span calibration using a known ppm concentration Tho HS3420 is tor an alarm and trending monitor only Therefore absoluto calibration accuracy is not required Method 3 is widely used and an acceptable method for calibration Method 1 Make a sample of a known concentration using the ai type and mixing it wiih water Blending Samples that are representativo of sample conditions is dificult t do Using Acetone in equa
23. hrough uni slohty to improve the connection If this fails to work he cuvette may have to be replaced The detection for this cuvette only operates in AUTO modo I the system is operating corectly AUTO wil flash Ater instaling a cuvette hero will be a 30 minute period where the lower screen wil post DRY lo the lower screen During this time the ultrasonic circuit wil nat operate o allow the Vapor Purge system to remove al moisture from the Ullrasonic transducer This is normal and is not considered an alarm condition so no alarms wil be implemented If the cuvette is removed during this period no CLN alarm is posted until the 30 minute DRY period times out Even withthe above drying system it is stil recommended that Ultrasonic cuvettes be dried by hand including the transdcer on the bottom prior lo use 7 3 RS 485 Outputs Modbus prolacol communication is optionally available on al models The Modbus information is covered in a separate manual included with hs option Page 27 or32 10 HS3420 2 1 03 amp higher USER MANUAL meetpoo 44 8 0 Troubleshooting amp Maintenance 8 1 HS3420 Fault Detection The HS3420 performs continuous diagnostic monitoring In the HS3420 there are three levels of faut detection warnings errors and failures Any faults are displayed in a queue form in the bottom row ofthe Leo A warning is simply a screen indication of a problem No alarms are activated
24. interconnect cable for 2 seconds and then reconnecting it Note Once the bag is opened install the desiccant pouch immediately to prevent premature degradation of the desiccant 33 Replacing the Source Lamp ul The source lamps in the HS3420 are designed for long He The white ight version is rated for 7 years f the lamp should need replacement we recommend calling Arjay Engineering Ltd or assistance Page st ar32 10 HS3420 2 1 03 amp higher MOUNTING TEMPLATE ALL Di MENSIONS ARE IN MILUMETERS INCHES y E THE MOUNTING HARDWARE SIZES amp 7 INSTRUCTIONS IN THE MANUAL FOR MOUNTING 2 PROVIDE AT LEAST 200 MM B INCHES OF FREE SPACE ABOVE THE SENSOR FOR EASY REMOVAL OF THE FLOW HEAD AND INSERTION OF THE CALIBRATION STANDARDS 90 17 3 5009 N ff i 4 8733 3 438 3017 G 188 14766 G8135
25. iting This iting allows for atmospheric equalization thus helping to alleviate bubble formation in the cuvette Refer ta Figure 4 10 HS3420 2 4 03 amp higher Page Tors USER MANUAL mewiDoo 44 Upon initial faw minor leakage may occur through the drain vent This wil subside once normal flow is established For some high pressure systems where the vent hole continuously leaks a 6 32 seal screw is provided which should be inserted into tha vent hole and lightened 33 Electrical Connections Al of the electrical connections to the instrument are made through the field terminal box which should bo located directly under the sensor portion of the instrument The connections are labeled within the terminal box and are sef descrptve see Figure 5 Please falow al local and government recommendations and methods for installation of electrical connections lo and between the instrument and other peripheral devices Plugs are inserted into the alarm and 4 20mA RS 485 cable bulkheads when shipped to ensure a watertight seal These plugs should be removed and discarded when cabling la either of these connections Tho power cable bulkhead wil accept cable diameters from 5 8mm 230 in up o 10 mm 395 in All terminals aro designed to accept wires in the range of 14 28 AWG Ali wires should be stripped to a englh of 6 mm 77 A strain relief strap is provided to reduce tension on the powe
26. l parts to the Gi wil aida in blending the sample Method 2 Have an ol contaminated process sample analyzed by a local lab to determine tho ppm value Use a quantity of the samo sample for calibration An NTU sample can be tested after calibration to assign a PPM value for future calibration using Method 3 Method 3 Use a NTU Formazin sample that closely relates to he ol response factor Typical Response Factors Ol Type TONTU Nola Dese Turbine OF 3oppm Customer oil name and ppm value of 10 NTU from Method 2 Customer oa ame pm NTU Formazin samples are available from Arjay Engineering Lid or laboratory supply outlets Ajay calibration Standards are stable and have a 12 month shelf fe 62 Calibration Procedures Before the calibration the ppm values ofthe samples or standards should be known 4 See section S and 5 16 ifthe ppm values of CAL1 first point of calibration and CAL2 second point of calibration need to be changed These are factory set at 30 ppm and 0 ppm 2 Select the calibration function of the instrument by pressing the MODE EXIT bution once The arrow beside CAL wil bo iluminated on the display The lower display shows tha ppm value set during configuration CAL see section 88 10 HS3420 2 1 03 amp higher Page tor32 T mm Hs3420 USER MANUAL meetpoo 14 CAL CONFIG CONFIG Remove the fow through unit Insert th
27. on is turned on the user is required to input tho access code into the instrument to get lo any mode other than AUTO The only code is 333 This code may not be changed See section 42 for more information on this security feature The security kay icon wil be visible and flashing on the display whenever the access option is selected using the or 7 buttons On or OFF 58 Extended Settings The last few setings are grouped together to prevent them from being adjusted by accident extended settings is set to OFF prossing the bution wil save all settings and the HS3420 wil automatically return to the normal AUTO mode af the instrument To gain access to the extended settings select On using the or bullons and press the J button 10 HS3420 2 103 amp higher Page reori2 Hs3420 USER MANUAL mentpoo 44 59 Speed of Response The speed of response for both displayed and output values of ppm can be adjusted in this menu The default setting is 10 however 100 response speeds are available Although the displayed number is a relativo speed the approximate response time in seconds is the displayed number multiplied by 5 Select the desired speed of response using the and butlons Press the button to accept it To avoid reading air and other anomalies select the slowest speed highest number Select the fastest response where monitoring of rapid changes is needed
28. r terminals Itis the user s responsibilty to assure that the watertight seal ls maintained after the terminal box has been wired for operation If any of the bulkheads are nol bghtened propery around a cable or plug the ratings of the instrument wil be jeopardized and there is a possibilty of creating a shock hazard Note Only qualified electricians should be allowed to perform the installation of the instrument as it involves a line voltage that could endanger life Figure 5 Electrical Connections for the Instrument Page 11 of 32 10 HS3420 2 4 03 amp higher USER MANUAL mewiDoo 44 334 Power Tha instrument is equipped with a 100 240 VAC 47 63 Hz switching power supply please verify that the tine volage falis within these specifications It is recommended that a circuit breaker be placed prior to the power connection to allow for service While making connections reor to Figure 5 The HS3420 is not supplied with a power cord 332 RS 485 The RS 485 halt duplex 2 wie digital interface operates with differential levels that are not susceptible to electrical interferences This is why cable lengths up to 3000 ft can be implemented The last device on each bus may require terminating with a 120 ohm rosisor to eliminate signal reflection on he ine Do not run RS 485 cables in the same condui as power To prevent damage to the instrument ensure that power is disconnect
29. ressing the or buttons to change the displayed baud rate Press the 4 button to continue on and select the desired Instrument address using the or buttons Once the Selection is satisfactory press the button AUTO CAL gt CONFIG Al TR To enable the Modbus made select ASCII or RTU Refer to the Modbus Manual f this option was purchased for more information 54 Configuring the Alarms Two relays are provided that are designed to operate as two independent programmable alarms Three types of information must be input to fully program each alarm 1 The alarm function HI LO or OFF 2 The alarm set point level at which the alarm activates um UTER 10 HS3420 2 103 amp higher Page Tears Hs3420 USER MANUAL meetpoo 44 3 The delay time for the alarm the time set in seconds that the set point must be exceeded prior 1o alarm activation and the timo before resetting the alarm prevents chattering in the relay These three items are described below Alarm Function The alam can cither be tumed OFF oc programmed to operate in one of two different manners d Hi alarm the relay changes stale whan the measured pom level is higher than the programmed alarm level for a prescribed amount of time 2 LO alarm he relay changes state when the measured ppm level is lower than the programmed alarm level for a prescribed amount of time Noto The rel
30. s ta anglad er pous wi nei eub Rr aon dll 31 Mounting amp Site Selection The instrument is designed for wall mounting If wall mounting is not practical the instrument can bo mounted on any suitable level surface For ease of service there should be about 20 em 8 fea area above the instrument his wil ensure enough room for calibration and cuvette maintenance Choose a location that is easily accessible for operation and service and ensure that the front display rests at eye level The overall mounting dimensions of the instrument are shown in Figure 3 The recommended mounting screws are M 7 forthe instrument enclosure and MA 3 16 for the field terminal box The HS3420 is designed to have the field terminal box cradled under the sensor porton of the instrument I is recommended that the field terminal box be mounted first and then the rest of he instrument be mounted on lop The template on the last page of this manual may be used to establish mounting hole locations Figure 3 Overall Mounting Dimensions of the Instrument It is critical that the instrument be mounted as clase as possible to the sampling point 1o ensure a quick response time within 2 3 meters 6 10 ft ofthe sampling point 10 HS3420 2 4 03 amp higher Page 5 orar USER MANUAL meatpoo 44 32 Plumbing The recommended plumbing for the instrument is shown in Figure 4 The instrument is designed to requir
31. ttings pressing the button will save all settings and the HS3420 wil automatically retum to tho normal AUTO mode of the instrument The CONFIG menu may be used at any time to reset or change any of the parameters The CONFIG menu may be exited at any point in the menu by using the MODEJEXIT key Any features that have been modified wil be saved 517 Configuration Settings Sheet FACTORY USER PARAMETER DESCRIPTION SETTING SETTING OP Output selection 420mA LOLM The lower ppm limit corresponding lo 4 mA oppm UPLM The higher ppm imit corresponding to 20 mA 100 0ppm ALM The curent function of alarm 1 Hi SP The set point of Alarm 1 30 PPM The numberof seconds Tor the delay on time for Bey Sseconds mur Tre number af seconds forthe delay off ime for seconds the alarm 1 ALM2 The current function af alarm 2 Wr SP Tho set point of Alarm 2 Ez The number af seconds for the delay or time or PONI seconds The number of seconds Tor the delay a time or nive Teme Seconds OFST The operational status of the offset unction OFF CALI The pam value of he first calibration point 30 PPM GALZ The ppm value of the second calibration paint ppm CODE The access code into the instrument OFF 233 Z Z T ape mese The speed of response tor both displayed and output 4g RES Tho decimal place for the ppm readings ta BRT The LCD backli
32. ution 2 Debris in fow through See above 2 Clean debris trom cuvette Readings are lower than expected Tnstrument out of calibration Racalibrate Rat rto section Upper display Washes Sample Over Range Check sample Sample may be too high to read 7 HS3420 2 4 03 amp higher Faga 9or32 mm Hs3420 USER MANUAL mentpoo 4 84 Technical and Customer Assistance f or any reason assistance is needed regarding this instrument please do not hesitate to contact Technical Service of Arjay Engineering Lt Arjay Engineering Ltd 2851 Brighton Road Oakvile Ontario Canada L6H 6C9 Phone 905 829 2418 Fax 806 829 4701 North America 1 800 387 4701 Emai arjay arjayeng oom wadayeng com EEE Page Sara 10 HS3420 2 1 03 amp higher USER MANUAL meetpoo 44 9 0 ROUTINE MAINTENANCE 94 Cleaning the Flow Through Cuvette Measurement cuvettes used for both grab sample and the fow through should be clean and toe of marks or scratches Clearing is accomplished by cleaning the interior and exterior with a detergent solution and then rinsing several times with distiled or de ionized water The cuvette can be replaced by frst shutting off the low using he provided shutoff clamp unscrewing the old cuvette and replacing with a fresh clean 9 2 Replacing or Installing the Desiccant
33. y this condition indicates that the instrument wil require servicing Contact Technical Service of Arjay Engineering Lid Arjay Engineering Ltd 2851 Brighton Road Oakville Ontario Canada L6H 6C9 Phone 905 829 2418 Fax 905 829 4701 North America 1 800 387 9487 Ema arjay arjayeng com wwwadayeng com GEL 10 HS3420 2 1 03 amp higher Hs3420 TT USER MANUAL EE mr 83 Diagnostic Chart Symm ass um Tower display shows MA 20 mA tp pen Check wiring See sections 334 and72 Tower display shows DESC Descant pouch bad Change desean pouch Ses section 102 Tawar display shows LAMP Tamp med Replace amp Reforto section 103 Lower display shows FLOW ampie low has stopped Resta Tow Contact Arjay about factory installed option Tawar display shows FAIL Major systemTauir Rater to sechengT amp 92 Readings are higher than expected Bubbles in solution Flow through cuvette dirty Condensate or leaky cuvette Instrument out of calibration Ensure hal the drain veni open and is not obstructed See section 322 2 Apply backpressure See Section 3 2 and figure 4 3 For sever cases of bubbles a stiling chamber is available Call Arjay Engineering Ltd Check flow through cuvette for condensate or leaks Clean cuvette See section 10 1 Recalibrate Refer to section 5 Readings are erratic Ti Bubbles in sol
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