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ATI Technologies Q46UV, O & M Manual

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ATI

 Q46UV  UV254/Turbidity Monitor   

Part 4 

– Electrical Installation 

 

 

23 

O&M Manual 
Rev-D (11/19) 

 

4.6 

Remote Sensor Wiring 

 

 

 

Generaly it is best to keep the sensor close to the monitor.  However, it is possible to mount the 
sensor  as  much  as  100  feet  from  the  monitor  using  a  junction  box  and  additional  interconnect 
cable.   

 

Note that the wire used for remote sensor connection does not contain the same conductor colors 
as  the  sensor  wire.    The  wiring  diagram  below  provides  the  information  needed  to  connect  a 
remote sensor using no. 07-0100 junction box. 
 

 

Figure 16 - Remote Sensor Wiring 

 
 

Summary of Contents for Q46UV

Page 1: ...logy Inc ATI UK Limited 6 Iron Bridge Drive Unit 1 2 Gatehead Business Park Collegeville PA 19426 Delph New Road Delph Phone 800 959 0299 Saddleworth OL3 5DE 610 917 0991 Phone 44 0 1457 873 318 Fax 6...

Page 2: ...face 24 5 11 Keys 25 5 12 Display 25 5 2 Software 26 5 21 Software Navigation 27 5 22 Measure Menu MEASURE 29 5 23 Calibration Menu CAL 30 5 24 Configuration Menu CONFIG 30 5 25 Control Menu CONTROL 3...

Page 3: ...ENT 14 FIGURE 9 CALIBRATION TAP DIAGRAM 15 FIGURE 10 SUBMERSION MOUNTING ASSEMBLY 16 FIGURE 11 AC POWER CONNECTIONS 19 FIGURE 12 RELAY CONTACTS 20 FIGURE 13 OPTIONAL LOW POWER RELAY WIRING 21 FIGURE 1...

Page 4: ...required for installations using ATI s automatic chemical cleaning system In addition a digital output option for Profibus Modbus or Ethernet is available Monitors may also display DOC Dissolved Orga...

Page 5: ...olated analog outputs Software settings for relay control include setpoint deadband phase delay and failsafe Selectable Output Fail Alarm feature on Relay C allows system diagnostic failures to be sen...

Page 6: ...ve NPT openings Adapter can be removed to provide a 1 NPT opening in the bottom of the enclosure Gland seals provided but not installed Relays Electromechanical Three SPDT 6 amp 250 VAC 5 amp 24 VDC c...

Page 7: ...6 1 Weight 2 4 lb 1 1 Kg UV Sensor 20 mm UV absorption path 254 nm wavelength Turbidity Sensor 90 Scatter 860 nm IR source Sensor Materials Anodized aluminum with sapphire optics Sensor Cable Submersi...

Page 8: ...ion process To take full advantage of the high contrast display mount the instrument in a location where the display can be viewed from various angles and long distances Locate the instrument in close...

Page 9: ...rument is then attached to the wall using the four outer mounting holes in the bracket These holes are slotted to accommodate two sizes of u bolt that may be used to pipe mount the unit Slots will acc...

Page 10: ...ATI Q46UV UV254 Turbidity Monitor Part 2 Analyzer Mounting 10 O M Manual Rev D 11 19 Figure 3 Wall Mounting Diagram Figure 4 Pipe Mounting Diagram ENTER MENU ESC...

Page 11: ...his kit contains a metal retainer bracket that attaches to the rear of the enclosure 4 screws for attachment of this bracket and a sealing gasket to insure that the monitor flange provides a water tig...

Page 12: ...tings are intended for clean water applications NTU less than 10 and accept 0 25 O D tubing The outlet fitting contains a fixed flow regulator that will maintain sample flow at 4 GPH 0 25 LPM Sample i...

Page 13: ...gement when using the calibration valve system supplied with the unit RT FITTING w FLOW RESTRICTOR 1 4 INLET FITTING 8 154 5 456 2 656 4 030 6 000 Figure 7 Flowcell Dimensions Figure 8 below provides...

Page 14: ...3 Sensor Installation 14 O M Manual Rev D 11 19 UV254 PROBE 63 0120 ALIGN OPENING ON PROBE WITH SAMPLE FITTINGS FLOWCELL ASSEMBLY ALIGNMENT LABEL INDICATING REQUIRED FLOWPATH OF SENSOR END OF PROBE SH...

Page 15: ...ty system is a 3 way valve some tubing and a syringe that facilitates zeroing and calibration of the measurements Shown below is a diagram of how the tubing and valve should be installed This arrangem...

Page 16: ...measurement may be affected by bright ambient light conditions Submerged sensors MUST be located in dark areas Figure 10 below shows a typical submersion mounting using ATI s 00 1690 submersion mount...

Page 17: ...ions contained in this operating manual Observe the analyzer s technical specifications and input ratings Proper electrical disconnection means must be provided prior to the electrical power connected...

Page 18: ...ed but should normally be left in place during installation The power strip TB7 allows up to 12 AWG wire A wire gauge of 16 AWG is recommended to allow for an easy pass through into the NPT ports when...

Page 19: ...ATI Q46UV UV254 Turbidity Monitor Part 4 Electrical Installation 19 O M Manual Rev D 11 19 Figure 11 AC Power Connections...

Page 20: ...power to the contacts For applications that require the same switched operating voltage as the Q46 115 or 230 V power may be jumped from the power input terminals at TB7 Relay wiring is connected at...

Page 21: ...onal third analog output Out 3 Figure 14 The Q46 can be configured for only one of these features and the hardware for either option must be factory installed The 3 relay option is required for system...

Page 22: ...the wire colors on the cable to the color designations on the label in the monitor Route signal cable away from AC power lines adjustable frequency drives motors or other noisy electrical signal lines...

Page 23: ...t is possible to mount the sensor as much as 100 feet from the monitor using a junction box and additional interconnect cable Note that the wire used for remote sensor connection does not contain the...

Page 24: ...lay illuminates In addition you will notice an occasional flicker of the display occurring about twice an hour This is the result of a display processor refresh program that insures long term display...

Page 25: ...em for change and to store any change 5 12 Display The large custom display provides clear information for general measurement use and user configuration There are three main areas of the display the...

Page 26: ...In this case the output is locked to the last input value measured when the HOLD function was entered HOLD values are retained even if the unit power is cycled FAIL The FAIL icon indicates that the s...

Page 27: ...hange and also exits user entry mode The starting default screen is always the Measure Menu The UP arrow key is used to select the desired display From anywhere in this section the user can press the...

Page 28: ...B Delay B Phase B Setpnt C Hyst C Delay C Phase C 3 Setpnt D 3 Hyst D 3 Delay D 3 Phase D 3 Setpnt E 3 Hyst E 3 Delay E 3 Phase E 3 Setpnt F 3 Hyst F 3 Delay F 3 Phase F 4 Fail Out 3 4 Fail Val 3 Bac...

Page 29: ...mg l This display shows the equivalent dissolved organic carbon related to the UVA measurement It is based on a default table programmed in instrument memory XX X IRT Displays the value of Infrared i...

Page 30: ...lows the user to adjust the offset of the temperature response by a small factor of 5 C Cal UVAZero Provides adjustment of the UV absorption sensor zero normally using distilled water as a reference S...

Page 31: ...ddress Sets bus address for digital communication mode of analyzer Optional digital communication card must be plugged into the power supply slot for this function to work Press ENTER to initiate user...

Page 32: ...e Temp Units measurement Press ENTER to initiate user entry mode and the entire value will flash Use the UP arrow key to modify the desired display value The choices are F and C Press ENTER to store t...

Page 33: ...d therefore it is best in most cases to leave it at the default value Increasing this value will make the controller more responsive Set 4 mA These functions set the main 4 20 mA output for the transm...

Page 34: ...eys to modify value range is 0 to 999 seconds Press ENTER to store the new value A Phasing This function establishes the direction of the relay trip When phase is HI the relay operates in a direct mod...

Page 35: ...Relay C Mode is set to CON see Relay C Mode then Relay C will function identically to Relay A Relay C settings appear in the CONFIG menu list automatically If Relay D E or F Mode is set to CON see Rel...

Page 36: ...relays in current status This function can be used prior to calibration or when removing the sensor from the process to hold the output in a known state Once HOLD is released the outputs return to th...

Page 37: ...Use the UP arrow key to modify desired value range of value is 0 9999 seconds Press ENTER to store the new value Sim Out The Sim Out function allows the user to simulate the specific analog output va...

Page 38: ...unction has three options ON On all the time OFF Off all the time AL Alarm Default This function flashes the backlight on and off whenever the Fail icon is displayed Start Delay This function is desig...

Page 39: ...play the UV254 measurement in one of 3 way The main display can indicate UV Absorbance UVA UV Transmittance UVT or Dissolved Organic Carbon DOC TOC COD in mg l The selection of the main display parame...

Page 40: ...ldup that could affect sensor performance After the sensor is clean put it back into the flowcell If necessary also clean the inside of the flowcell Proceed as follows 1 Refer to Figure 9 on page 16 T...

Page 41: ...sample inlet tube This will stop sample flow and open the side port Allow water from the flowcell to drain out this port Note that you may need to disconnect the outlet tube for water to flow out of t...

Page 42: ...in the flowcell 4 Press Menu to access the Cal Menu Press the arrow to access Cal NTU Zero 5 Press the Enter key and you will be prompted enter a zero value for turbidity Since turbidity values of ex...

Page 43: ...the flowcell 4 Allow the sensor to sit in the Turbidity standard for 5 minutes to get a stable reading Once a stable reading is displayed press the Menu key to get to the CAL menu Use the key to acce...

Page 44: ...sh as data is accumulated and analyzed The C or F symbol may flash periodically if the reading is too unstable 5 The message Adjust value press ENTER will be displayed and the right most digit will be...

Page 45: ...e from 0 to 100 in an effort to keep the process at the setpoint To affect this control the controller must be used with properly selected control elements valves proper chemicals etc that enable the...

Page 46: ...f the controller Like proportional gain increasing integral gain results in the control action happening quicker Set the I term to a number between 3 5 to start 1 2 more than P Like proportional gain...

Page 47: ...nd hold the ENTER key for about 5 seconds You will see a small m show up between the value and the mA value This indicates you are now in manual mode Once in manual you may increase the PID output by...

Page 48: ...t the extreme ranges of the measuring scale In addition if a chemical process is not symmetrical that means it responds differentially to the addition and subtraction of chemical It is important in th...

Page 49: ...d be wise to periodically inspect the enclosure sealing gasket for breaks or tears 8 3 Sensor Maintenance Sensor maintenance is limited to simple cleaning of the optical surfaces In general wiping wit...

Page 50: ...to verify your unit is either 100 240 VAC or 12 24 VDC 3 Verify the loads on any 4 20 mA outputs do not exceed the limits in the Instrument Specifications During troubleshooting it is many times helpf...

Page 51: ...fouling can be corrected by cleaning optical surfaces with a soft cloth 9 3 Analyzer Tests 1 Disconnect power and completely disconnect all output wiring coming from the analyzer Remove sensor wiring...

Page 52: ...e range Check wiring connections to sensor Check optical surfaces for fouling Sensor High The raw signal from the sensor is too high and out of instrument range Check wiring connections to sensor Sens...

Page 53: ...ption 1 2 42 0037 Flowcell O Ring 1 3 42 0131 Adapter O Ring 2 131 1 4 45 0398 Clean Out Plug 1 5 45 0211 Mounting Plate 1 6 92 0101 10 32 x 1 2 FHMS 4 7 45 0397 Flowcell Cap 1 8 44 0296 1 4 NPT x 1 4...

Page 54: ...S Assy 100 240 VAC with 3 relay exp Board 03 0410 P S Assy 12 24 VDC 03 0411 P S Assy 12 24 VDC with 3rd 4 20mA output 03 0412 P S Assy 12 24 VDC with 3 relay exp Board 23 0029 Fuse 630mA 250V TR 5 fo...

Page 55: ...improper storage or extended exposure to excessive gas concentrations Should inspection indicate that sensors have failed due to any of the above the warranty shall not apply The Manufacturer assumes...

Page 56: ...DUCTS NH3 Ammonia CO Carbon Monoxide H2 Hydrogen NO Nitric Oxide O2 Oxygen CO Cl2 Phosgene Br2 Bromine Cl2 Chlorine ClO2 Chlorine Dioxide F2 Fluorine I2 Iodine HX Acid Gases C2H4O Ethylene Oxide C2H6O...

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