MicroTUV Online UV %Transmission Analyzer
Contents
1. 20516 Rev OL22ik R4 Isolated RS 465 R3 ER _ zo RI dur e 2 Cor 0 SEI Y JEJ 1 74HC86 ur L Re GOV Sd TOS O09 NRB L NI SZUM 2 INV 2940 OL 9 N Z i coe i cr SV AWS NWO NIN 7 Y ZP ANY LO 804 ONIYIM L a y E SALTON i O N O NET dge 09de z di MH MO NOILIGNOD VA F claws NAV IV NI Si og NMOHS ATES gt JJZATYNY NI s A NDS nn IWNIAYSL S87S4Y Ol 305N3S zl TF C YA 02 9 ar 000 ooo 0 q blo ange i En 29 a K E e nw 296 eur J ar 23 LI 1 3 1 3 u x 20800098 0800098098 099884 55898 609806806 oooooooooJjo MOTA IPISUT JD Y I9ZAJeUV GdvOd dd HFZAIVNV ANL Page 112. The power switch is located to the right of the power cord connection 2 4 3 Analyzer D A Outputs Voltage amp Current The full scale range of recorder outputs both voltage and 4 20 mA are determined by the upper and lower limits selected by the user Please note that either 4 20 mA OR voltage output may be selected in the DISPLAY PARAMETERS menu but not both Suggested scaling 0 100 T Twisted pair shielded cable 22 AWG 14 AWG is recommended Tie the shield to the ground terminal at the recorder end Do not connect shield to TUV Analyzer TUV 1 03 REV 0 2 PAPER 2 4 4 Analyzer Recorder Voltage Recorder output voltage is selected at the terminal block labeled ANALOG VOLTAGE J6 Only one of these voltages 1s to be selected at any time The recorder load for each voltage is Terminal 1 0 10V 50000 ohms or greater Terminal 2 0 1V 5000 ohms or greater Terminal 3 O 100mV 5000hms or greater Terminal 4 Common 2 4 5 Analyzer Recorder Current A4 20 mA current output is available The connections are made at the terminal block labeled Analog 4 20 mA J5 The recorder load may be rated from 0 1000 ohms maximum Terminal 1 is positive terminal H2 1s negative 2 4 6 Analyzer Alarm Contacts Connections are provided to the alarm relay contacts on the terminal block labeled ALARMS NOTE These are fail safe and will revert to an alarm condition should the power be disconnected for any reason
3. Refer to the Specifications to ensure that alarm contact ratings are not exceeded NOTE ALARM 1 Terminal Block J1 ALARM 2 Terminal Block J2 SENSOR ALARM Terminal Block J3 The following are the connections for each of the relay contacts Refer to Figure 4 Terminal 1 Normally Closed N C Open on Alarm Terminal 2 Normally Open N O Closed on Alarm Terminal 3 Common C WARNING Ensure that all external voltages in excess of 30 volts are disconnected before attempting to make connections or disconnections from alarm terminal blocks NOTE For external Analyzer connection other than power f14 AWG isthe largest wire the connecting terminals will accept 3 0 OPERATION THEORY The TUV Analyzer is specifically designed to operate with the TUV Sensor Sampler to comprise a complete system The TUV Analyzer performs all of the automated control functions The Sensor Sampler communicates with the Analyzer through an RS 485 data port Once every 30 seconds the Analyzer will ask the Sensor Sampler for the latest reading This reading will be processed The processed value will be posted to the graph to the readout display and to the 4 20mA or 0 10 V output If the reading exceeds an alarm point an alarm will be triggered Menu s are provided for the user to customize setups such as the alarm set points and time between calibrations These menus are quite self explanatory To exit out of any menu press the menu button Refer
4. TUV 1 03 REV 0 2 Lo VHO MOT MINA 3NI I NO ANA ANA vu O lt Y 40 AQL O JIVYEIIVO UNV SJ VLIOA WOO SAWIASIO 2 SOved 440 dNNd YOSNIS 13S3H4 NO dNNd HINNVA Nav lv AVIdSIG ONIOVII GIIYA ISVI INdINO N JJdOS Wdvlv AVIISIO X SNOILV4J40 UNIASAOS 8 SO v 193 109 1 00L A OL 4SNOS43g4 LINN V gt NANIA TOYLNOD NYVIV ANNd ISAL 4195 ANN NOLIV49 1VO N33M138 SENO NOILVYSTIVO LSYT J NIS SINO jasey O 00 ad SINO NIWIdON NNJN NIVA Ol N4N133 ANN NIVA OL NIN133 ANA AVIdSIC osa DIHAVID NOLV38MNWYO TINA SAND ANA 108 Od NOISSIASNV31 1 00L ONILLIS Av Lvgdl IVO ANN NMOG Iva 3 S dn 11919 31v0 Las NNIN Hdvd9 NIIYIS HVJTOJAHOLSIH WIN 43LH9I48 MINWNIG ANA ISJL 4174S IV38INTVO AJNI JLVYEITVO 310 2 3WIL 13S AMOLSIH SSINLHOIMG N3340S AJOLSIH VIII SSINIHOldd 135 a A
5. Analyzer Cable Routing Changing Analyzer Voltage Fuse Analyzer Outline Dimensions Alarm amp Interconnect Cable Connections Analyzer Menu Flow Chart PiK RR RE WK HK HK HR HK M EJ UR R m W m COG mf AR AR AE O AO AO AO A l yp k ukasa A OSI OS ee JS OSI ee ee ee ee Om PS ln al a ye et era A c So sione ie 52 Ma gl meee x m F te a ape lager ei pp ct E ng em jka Fr DECLARATION OF CONFORMITY ia Beal ae ga 2 ie _a_ Ir 0 die ria e e gpu wy Application of Council Directive 89 336 EEC Pe k aP ne ya dE gt eS wasi s pia pinta E pp rg S a Nra l dur ct a le SP a Standards to which Conformity is Declared Pa Era Byd aa mr ma Mira ngi n terri gt UE LI en e moga Er m rn he ae HE Jeh e I aan Mera a P na gt Ra Product Safety Immunity EMI UL3111 1 EN50082 1 1997 EN55011 Group 1Class A CSA C22 2 No 1010 1 92 IE801 2 Per 50081 2 1994 CE EN61010 1 1993 73 23 EEC IEC801 3 FCC Part 15 Class A IEC901 4 a A in sma re de en A pp eg pg SSS ma riq SSS in eg SSS pl riq E pl pianta em pjs raq 0 in m ira u p gt a eg Se 2 Sa Mra i Fr ae m SE ia a de nn Ea Jl H E E ta
6. analyzer will respond to running out of 100 T water during a calibration In The Pump Alarm Control Menu select either TUV 1 03 Page 5 REV 0 2 4 2 CALIBRATION ALARMS Cont d A The Analyzer will go to an alarm menu and indicate 100 T water out shut the Sensor Sampler pump off and the 4 20 mA will hold the last valid reading Or B The Analyzer and Sensor Sampler will continue to operate and ignore the attempted calibration The Analyzer will show a banner displaying the problem and the time and date of the problem Please note that while in the Graphic screen the word MEMORY will be displayed flashing beside the T reading This indicates that the displayed T reading is from memory and is not a current measured value In any alarm condition the sensor alarm SALM will close Press the ALARM key to cancel the alarm and reset the analyzer 4 2 1 100 T Water Out If this failure occurs simply replace or refill the 100 T container at the Sensor Sampler and perform a manual calibration Be certain to return the Analyzer to the graphic screen press T from main menu after the calibration is complete 4 2 2 Not 100 Counts There are instances where a calibration will fail due to fouled optics or a stuck solenoid valve Either of the previous conditions could cause the 100 T reading minus the Dark Setting reading to be less than 100 counts This will not be acceptable to the analyzer and will cause an alarm An alarm i
7. niy ia Oz SEA gg 5 ira s Sc ar Manufacturer s Name HF scientific inc EE Se e Pania my CSS ee nrg Se aj Soe in ig E pia riqi SSS ka ci g pista E Manufacturer s Address 3170 Metro Parkway Fort Myers Florida 33916 7597 ea negli ra ia je gt a 3 masu Ms Li rk Ra Er Ge t HE T upon e ra a e m e n e Type of Equipment UV Transmission Monitor gt ci pig PS g ij ia Bop ya ra om a To ira dE o Ser A Y Model No TUV Ej ee ee nn ia wa o ma S an ma a Min gil aos no TER in a de en een in rn pinne air er St ae E t Seas an Mira gi A a Ba Lil Tis F a li I the undersigned hereby declare that the equipment specified above conforms to the above Directive and Standard ia _ a Jl gt ci e ya CE pa pio pae manraq e pia Mo pinta aa m Bir gil Bir li a i dll Pea E Rigi is ig SSS pjs mig SSS pjs riq cal ca s Br de Es pna cis aa E Place Fort Myers Florida USA oo in e Sa gt neg ac as e e a gt Er a arta i e ch Robert J Maley President Full Name gt Gss era an Mpa sas pere wi n _ _ Tear par LAA AL in et oe a eae eae ae fi T HU 1 E ug z aa Den ii ira al T ck Far Da Selig ip cg ES pg gg PES pg lg PE pi cg M cor r
8. 20mA line is not complete DEFECTIVE 1 Check connections at both ends of 4 20mA line 2 Check for a break in 4 20mA line TUV 1 03 Page 8 REV 0 2 6 4 REPLACEMENT PARTS Catalog No Description 20955 Fuse 1 2 amp Fast Acting 5 x 20 mm 240V 20815 Wire Shielded RS 485 per foot 20956 Fuse lamp Fast Acting 5 x 20 mm 120V NOTE For any other parts not shown here please contact HF scientific Service Department TUV 1 03 Page 9 REV 0 2 AW 005 E COZ G 6 ON 0009 i a 000 SIE ch IJAOVHG a GJOY tm ONILNNON HO A WIO INI 7 1 NOLLYDOOT 310H J 09 000 EL iL OCZ 0906 Y CEI ka 92 v6G S 9 0L Wu XX SSHONIFXX XX Figure 3 Analyzer Outline Dimensions Page 10 TUV 1 03 REV 0 2 suono uuoo IYALO JODUUODJOJUJ pue ULIEIV p 321031
9. 332 7643 TUV 1 03 Pared REV 0 2 Bl
10. AP scientific INC MicroTUV ONLINE UV TRANSMISSION ANALYZER OPERATION amp MAINTENANCE MANUAL HF scientific inc 3170 Metro Parkway Fort Myers FL 33916 Phone 239 337 2116 Fax 239 332 7643 Catalog 22814 1 03 TABLE OF CONTENTS 1 0 IMPORTANT INFORMATION HOW TO USE THIS MANUAL SPECIFICATIONS 1 1 1 2 2 0 I 2 2 2 2 RO N R 3 0 OPERATION THEORY START UL ii 3 1 4 0 CALIBRATION 4 1 100 T CALIBRATION 4 2 1 100 T Water Out 4 2 2 Not 100 C000 4 2 CALIBRATION ALARM 4 3 MEMORIZED READINGS 5 0 FLOW SWITCH 6 0 TROUBLESHOOTING 6 1 GENERAL NOTES 6 2 TROUBLESHOOTING GUIDE 6 3 ANALYZER ERROR CODES 6 4 REPLACEMENT PARTS WV OLSZANKA SIDO Figures NSTALLATION PACKING LIST POR THE TUV een UNPACKING AND INSPECTION esse MOUNTING siena a ANALYZER CONNECTIONS 2 4 1 RS 485 Interconnecting Cable 2 4 2 Analyzer Power sioni 2 4 3 Analyzer D A Outputs Voltage Current 2 4 4 Analyzer Recorder Voltage 2 4 5 Analyzer Recorder Current 2 4 6 Analyzer Alarm Contacts Figure No Title 1 2 3 4 5 TUV 1 03 REV 0 2
11. NN NIVIN 06 7 80 AOLO Jlvddl VO NOU V3A913 NOD dlvddin pal ALMILN NNIA v AOL O v OL G 104138 YZ UIN 09 JWIL 103138 LINIT 43MOT LI ddd n Wyvdyd AWIASIO feti ANA TH NyYVIV NNIN NNIN NMOG NMOG UAT 43MOT 138 LINII S3ddn 1384 dn LI9IQ 11910 UAT YIMOT WN J3ddn ANIN NIVIN OL NYNLIY NNIN NNIN 340 07 1H 193138 140 01 IH 103138 NMOG NMOO INIOd AYYY LIS L n INIOd NUVIW 13S L n 11910 11910 LOLA EE anvg Gv3Gg z NYVIV Adv IV ANNIN Nav lv fi L NYVIV dANd G 1 p ALNILN E SYILINVYVA AV1dSIG Z SNUVIV L NNIN NIVA Figure 5 Analyzer Menu Flow Chart Page 12 TUV 1 03 REV 0 2 WARRANTY HF scientific inc as manufacturer warrants to the original purchaser of the instruments to be free of defects in material and workmanship in normal use and service for a period of one year from date of delivery to the original purchaser HF scientific inc s obligation under this warranty Is limited to replacing at its factory the instrument or any part thereof Parts which by their nature are norma
12. NO FLOW The Sensor Sampler has detected a lack of flow of sample effluent 1 Check that Pump Switch is ON 2 Check T strainer and source line strainer for blockage 3 Check Flow Switch for blockage 4 Check if air is present in tubing Reset power at power supply module WARM UP TIME OUT The Sensor Module failed to warm up 1 If ambient temperature is cold and Sensor Sampler was just powered up allow 20 minutes with Sensor Sampler enclosure closed Press alarm on analyzer to restart system 2 Check cabinet heater for proper setting 50 F and operation Replace if defective 3 If CPU module indicates that heater is on continuously replace Sensor Module 100 WATER OUT The Sensor Sampler has detected a lack of flow during the last 100 T calibration Check 100 T solution Replace if required Check that Pump Switch is ON Check for proper operation of pump Check for proper operation of valve Check that flow sensor is operating correctly by pulling it out and tipping it upside down while observing the FLOW LED in the CPU module It should go off when upside down mn WN LAMP TEMPERATURE The Sensor Module failed to maintain adequate temperature LOW 1 If Sensor Sampler was subjected to extreme cold temperatures below 60 C this problem may occur Wait until temperature is above 50 C and then restart system 2 Refer to the suggestions above under WARM UP TIME OUT 4 20mA LINE IS The 4
13. anging If none of the above steps correct the problem contact HF scientific inc s service dept for additional support Cannot Leave Menu Invalid parameters may have been inadvertently set Examples of this are an incorrect time or date or the lower limit set higher than the upper limit Check the screen and change any invalid numbers TUV 1 03 Page 7 REV 0 2 6 3 ANALYZER ERROR CODES The following are the error codes that may be indicated on the analyzer The Analyzer switching to the Error Code page and placing an X beside the fault will indicate the particular problem During this time the analyzer is not taking readings although the Sensor Sampler may be operating properly After correcting a fault press the alarm key on the analyzer to restart the system The system will ignore faults for the first 2 5 minutes in order to allow the system to regain proper operation Listed below are the error codes a brief description of the faults and the action required in the order of most probability Error Code Description of Fault Steps to correct Problem COMM ERROR An error has occurred in the RS 485 serial communication between the Sensor Sampler and the Analyzer 1 Reset system by pressing alarm on analyzer 2 Check connections and continuity of serial interconnection cable 3 Replace RS485 port in Analyzer 4 Replace CPU module in Sensor Sampler 5 Replace Analyzer 6 Check sensor power switch
14. are displayed on the screen with the flashing word MEMORY after the reading 50 ELOWSENSOR The Sensor Sampler has a flow sensor that will detect a flow failure turn off the pump and indicate a flow failure to the analyzer The flow switch is ignored after the CPU is reset for the first few minutes of operation to allow the system to prime with sample fluid The flow switch is also ignored after a calibration for two minutes The flow switch should trip after ten seconds of no flow and is indicated by the FLOW LED illuminated in the CPU Module of the Sensor Sampler TUV 1 03 Page 6 REV 0 2 6 0 TROUBLESHOOTING 6 1 GENERAL NOTES Service and Technical Support are available from HF scientific inc 3170 Metro Parkway Fort Myers Florida 33916 7597 Phone 239 337 2116 Fax 239 332 7643 6 2 TROUBLESHOOTING GUIDE The following table will supply fundamental troubleshooting information The guide assumes that the controls and functions of the instrument are used correctly The intention of the guide 1s to eliminate common faults not to troubleshoot down to component level Analyzer SYMPTOM SOLUTION Display not lit Make sure that the unit is plugged in and turned on Make certain that your power source is providing the correct voltage Shut off power for about five seconds and then turn it back on This will initiate a power on reset Check Analyzer fuse Refer to Section 2 5 2 for correct use size and instructions for ch
15. he screen will return to the Utility Menu At this time you may want to Set Time F2 or adjust the Screen Brightness F1 When you are satisfied with all settings press the menu button and the Main Menu will be displayed Press T F4 and the system will go into the on line measurement mode 4 0 CALIBRATION The Sensor Sampler requires calibrations occasionally to adjust for debris buildup on the cuvette Calibrations are initiated by periods set in the Analyzer usually every 24 48 hours A calibration consists of a dark reading and a 100 T reading Dark readings set the low end of the readable scale and 100 T calibrations set the upper end 4 1 100 T CALIBRATION This calibration can be performed automatically or manually Both operations are initiated at the analyzer During a 100 T calibration the solenoid valve will switch the source of fluid supply from the effluent sample to the 100 T water It will pump this water for a predetermined time and then shut the pump down During this shutdown period the Sensor Sampler s CPU will perform several calibrations and will adjust its gain to the amount of signal available dependant on the condition of the optical path debris or contaminant on the cuvette walls The solenoid valve will then return to providing the sample to the pump intake and the pump will restart At this time the Sensor Sampler is returned to normal on line operation 4 2 CALIBRATION ALARMS The operator may select how the
16. ik i cr por Fi a Si di E z E i m i RZE MER deo HR gt L HR h d TE a he AA AA AA ARAS a AS AA AA RA AA A A A A AA AA AA AA AA AA RA AA a MEC A AS A ARA AA AA E Sap ea TUV 1 03 REV 0 2 ER HR NR NN NN HR LR NR NN R NR NON ER WR HK NN WNN ER HR NR NON ER DR SR NON WN I NR WE 10 IMPORTANT INFORMATION 11 HOW TO USE THIS MANUAL This equipment while sophisticated has been designed for simple and easy operation In keeping with that philosophy this TUV Analyzer user s manual has been written to simplify all steps in the procedures that follow THE MOST IMPORTANT ASPECT OF THIS MANUAL IS THAT YOU THE USER READ IT IN ITS ENTIRETY AND REFER TO IT OFTEN Figures and drawings have been used throughout the manual to show you how and text has been used to enhance and clarify what you have been shown Again please read the manual before attempting to install or operate the TUV Analyzer Pay particular attention to the Warning and Caution messages throughout Although the TUV Analyzer is easy to use all electrical and safety precautions must be followed Notes have also been added to give further clarification or reminders in certain instances 1 2 SPECIFICATIONS FOR THE TUV ANALYZER TUV ANALYZER Reading is updated every 30 seconds 68HC11 Keyboard entry Analyzer 8 membrane function keys Bu
17. ilt in diagnostics Yes Analog output 4 20 mA and 1 1 or 10 Vdc Alarms I system 2 settable HI LO or Off with 2 5 5 0 or 10 settable deadband Alarm contact rating Max 250 VAC 5 0A resistive isolated Form C SPDT Operating Temperature 32 122 F 0 50 C Storage Temperature 4 140 F 20 60 C Sensor Sampler Analyzer Separation Depending on site conditions up to 1000 feet 300m Sensor Sampler Analyzer communication RS 485 Serial Port 9600 Baud Isolated 1 5kv Analyzer Case Dimensions 13 x 11 1 2 x 8 330 x 290 x 200 mm Calibration Automatic with calibration periods user selectable Pollution Degree 2 Over voltage category II REV 0 2 2 0 INSTALLATION 2 1 PACKING LIST CONTENTS QUANTITY Mounting Bracket installed RS 485 Interface installed O M Manual Power Cord installed gt M gt A complete listing of spare parts appears on page 9 of this manual 2 2 UNPACKING AND INSPECTION Use extreme care when unpacking your TUV Analyzer and check that all of the contents are included Check for any damage that may have occurred during shipping If there is any shipping damage notify the shipping company immediately and arrange for a prompt inspec tion If there are any omissions report this immediately to the Service Dept at HF scientific inc for assistance 2 3 MOUNTING NOTE Be careful during installation not to violate the integrity of the Analyzer enclosure The system req
18. lly required to be replaced periodically consistent with normal maintenance specifically lamps reagent desiccant sensors electrodes and fuses are excluded Also excluded are accessories and supply type items Original purchaser is responsible for return of the instruments or parts thereof to HF scientific inc s factory This includes all freight charges incurred in shipping to and from HF scientific inc s factory HF scientific inc is not responsible for damage to the instrument or parts thereof resulting from misuse negligence or accident or defects resulting from repairs alterations or installation made by any person or company not authorized by HF scientific inc HF scientific inc assumes no liability for consequential damage of any kind and the original purchaser by placement of any order for the instrument or parts thereof shall be deemed liable for any and all damages incurred by the use or misuse of the Instruments or parts thereof by the purchaser its employees or others following receipt thereof This warranty is given expressly and in lieu of all other warranties expressed or implied Purchaser agrees that there is no warranty on merchantability and that there are no other warranties ex pressed or implied No agent is authorized to assume for HF scientific inc any liability except as above set forth HF scientific inc 3170 Metro Parkway Fort Myers FL 33916 7597 Phone 239 337 2116 Fax 239
19. n this instance will cause the sensor alarm SALM contacts to close and will display the following message THERE ARE NOT 100 UNITS BETWEEN THE DARK READING AND THE 100 T READING The 4 20 mA output will show the last valid reading until the analyzer is reset After correcting the problem the analyzer should be reset by pressing the alarm button Recalibrate as described below The most common cause of this failure is fouling of the cuvette in the Sensor Sampler Refer to section 6 2 The other possibility is that the solenoid valve is frozen and is not switching to allow 100 T solution to be pumped when calibrating To alleviate the problem clean the cuvette and perform a manual calibration Observe the level of the fluid in the 100 T bottle to ensure that the 100 T fluid is being pumped If the level of the 100 T fluid does not move the solenoid valve is probably frozen and should be replaced After calibration be certain to return the Analyzer to the Graphic screen 4 33 MEMORIZED READINGS The Analyzer stores anew memorized reading every 30 minutes on the hour and half hour according to it s own internal real time clock In case of a failure that causes an error screen to appear the memorized reading is sent to the 4 20 mA output Memorized readings are displayed and used after a calibration for two minutes to allow for the 100 T fluid in the sample cuvette to be replaced with a representative effluent sample Memorized readings
20. to figure 5 TUV 1 03 Page 4 REV 0 2 31 STARTUP NOTE It will be necessary to verify each of the user settings in the Analyzer and or change some when starting the unit for the first time The Analyzer screen should respond per the Menu Guide Refer to Figure 5 While the screen of the Analyzer will start to indicate the Transmission until the system is calibrated the reading may not be accurate After at least one hour warm up with the Sensor Sampler enclosure closed go to Main Menu and from there to Utility F3 and from there to Calibrate F3 and finally Do Both F4 At this time the Analyzer will cause the sensor to calibrate by checking the 100 T adjustment and dark setting of the Sensor module This process will take a few minutes to complete Press MENU to go to Utility Menu Press Timed Cal F4 to observe that 000 hours Since Last Cal has been posted properly Set the calibration period XXX Hours Between Cal to the desired period From now on the Hours Since Last Cal will ascend until it reaches the value of Hours Between Cal at which time the Analyzer will automatically initiate a Do Both calibration and reset the Hours Since Last Cal to zero Obviously the longer the interval between calibrations the longer the 100 T solution will last When the 100 T solution has been exhausted depending on the user selected setting one of two things will happen See section 4 2 Calibration Alarms Press MENU and t
21. uires approximately one hour to reach its final operating temperature Further adjustment of the Analyzer s LCD brightness may be required after this period see Utility Menu Screen Brightness History If it is possible avoid mounting the Analyzer where it will be difficult to read the LCD screen because of direct sunlight After mounting the angle of the Analyzer may be adjusted for best visibility 2 4 ANALYZER CONNECTIONS All connections are reached by removing the access cover Obey the following warnings and precautions prior to removal WARNING Before removing access cover disconnect all power to the TUV Analyzer Step 1 Unplug the instrument or turn off the power at the circuit breaker Step 2 Remove power to alarm contacts if greater than 30 VAC is connected for external operations TUV 1 03 Page 2 REY 0 2 To remove the access cover Step 1 Loosen the two Analyzer clamping knobs Step 2 Swivel the Analyzer top forward such that the back 1s now facing you Step 3 Retighten the two Analyzer clamping knobs Step 4 Remove the 6 screws that retain the black access cover Step 5 Remove access cover WARNING Donotrestore power until the access cover has been replaced and secured When routing the cabling for the following sections allow enough excess cable length to swivel the Analyzer upside down Refer to figure 1 for ACCESS AC Power RS 485 suggested cable routing Do not over tighten the six scre
22. ws when replacing cover Figure 1 Analyzer Cable Routing 2 4 1 RS 485 Interconnecting Cable The recommended interconnecting cable between the Analyzer and the Sensor Sampler is 2 conductor shielded Belden M8451 Not included Refer to figure 4 for connection information Note It is very important that a shielded cable is used 2 4 2 Analyzer Power The Analyzer power requirement is 40 VA at either 120 VAC or 240 VAC The voltage setting of the Analyzer can be determined by removing the access cover and looking at the fuse cartridge just to the left of the power cord receptacle The voltage printed next to the two triangles that point toward each other indicates the selected voltage To change the input voltage first remove the power cord The fuse cartridge can be removed by prying up with a flat blade screwdriver in the slot provided Pull the cartridge out invert and then reinsert it Refer to figure 2 To replace a blown fuse remove the fuse cartridge as shown in figure 2 Replace only the fuse for your selected voltage The triangle on the fuse cartridge points to the fuse for the voltage selected The correct fuse ratings are 5 x 20 mm IA fast acting for 120 VAC and 5 x 20 mm 1 2A Figure 2 fast acting for 240 VAC Refer to spare parts list Section 6 4 Changing Analyzer Voltage Fuse gt gt N T co co 077 077 FUSES EMPLOYER UNIQUEMENT AVEC gt LO N LLI a U LLI m U LL U LLI O
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