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ATI Technologies Q-BLAST Q46/88 O & M Manual

Auto-clean suspended solids system
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Q46/88 Auto-Clean
Suspended Solids System
Home Office
Analytical Technology, Inc.
6 Iron Bridge Drive
Collegeville, PA 19426
Phone: 800-959-0299
610-917-0991
Fax:
610-917-0992
Email: sales@analyticaltechnology.com
O & M Manual
European Office
ATI (UK) Limited
Unit 1 & 2 Gatehead Business Park
Delph New Road, Delph
Saddleworth OL3 5DE
Phone: +44 (0)1457-873-318
Fax:
+ 44 (0)1457-874-468
Email: sales@atiuk.com

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  • Page 1 O & M Manual Q46/88 Auto-Clean Suspended Solids System Home Office European Office Analytical Technology, 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:...

  • Page 2: Table Of Contents

    Table of Contents Part 1 - Introduction ..........4 4.24 Configuration Menu [CONFIG] .... 29 General ..........4 4.25 Control Menu [CONTROL] ....31 Standard System ........4 4.26 Diagnostics Menu [DIAG] ....35 Features ..........5 Part 5 - Calibration ..........39 Q46/88 Q-Blast System Specs ....
  • Page 3 Table of Figures Figure 1 – Suspended Solids System w/Auto-Clean Sensor ................ 6 Figure 2 - Wall Mount Bracket........................10 Figure 3 - Wall Mount Analyzer Dimensions ....................11 Figure 4 - Cleaner Enclosure Dimensions ....................11 Figure 5 - Handrail Mounting Assembly ...................... 12 Figure 6 - Sensor Assembly ........................

  • Page 4: Part 1 - Introduction

    Part 1 - Introduction General The Model Q46/88 is an on-line monitoring system designed for the continuous measurement of suspended solids in water and includes an air-blast sensor cleaning system. It is intended for continuous monitoring of aeration tank mixed liquor, clarifier effluent, industrial process water, and other applications containing relatively high levels of suspended solids.

  • Page 5: Features

    Part 1 – Introduction Q46/88 Q-Blast Suspended Solids Monitor System Features  Standard Q46/88 electronic transmitters are designed to be fully isolated instruments for operation from either 90-260 VAC or 12-24 VDC power supplies.  Two 4-20 mA analog outputs are standard, and a third analog output is available as an option.

  • Page 6: Figure 1 - Suspended Solids System W/Auto-Clean Sensor

    Part 1 – Introduction Q46/88 Q-Blast Suspended Solids Monitor System (System Diagram Shown on Optional Mounting Plate w/Power Distribution Box) Figure 1 – Suspended Solids System w/Auto-Clean Sensor O&M Manual Rev-G (11/18)

  • Page 7: Q46/88 Q-Blast System Specs

    Part 1 – Introduction Q46/88 Q-Blast Suspended Solids Monitor System Q46/88 Q-Blast System Specs Displayed Parameters Main input, 0.1 mg/l to 9999 mg/l Sensor temperature, -5.0 to 50.0°C (23 to 122ºF) Loop current, 4.00 to 20.00 mA Sensor slope/offset Check Signal Level % Light Level Model number and software version PID Controller Status...

  • Page 8: Q46/88 Performance Specs

    Part 1 – Introduction Q46/88 Q-Blast Suspended Solids Monitor System Temperature Input Pt1000 RTD for automatic compensation Sensor Optical backscatter. Sensor Materials PVC and acrylic Sensor Cable Submersible: 30 ft. (9.1 m) Max. Sensor Cable Length: 200 feet (61 m), with junction box Q46/88 Performance Specs (Including Sensor) Accuracy...

  • Page 9: Part 2 - Mechanical Installation

    Part 2 - Mechanical Installation General The Q46/88 Q-Blast Suspended Solids System consists of two assemblies housed in NEMA 4X (IP-66) enclosures. The analyzer electronics and the Q-Blast cleaner assembly should both be mounted near the sensor location, with a maximum of 60 feet between the monitor/cleaner and the sensor.

  • Page 10: Wall Mount Dimensions

    Part 2 – Mechanical Installation Q46/88 Q-Blast Suspended Solids Monitor System Figure 2 - Wall Mount Bracket Wall Mount Dimensions Figure 3 Figure 3 shows the dimensions of the analyzer dimensions. Note that the enclosure mounting brackets are not installed at the factory. They are supplied separately and must be attached using the screws provided.

  • Page 11: Figure 3 - Wall Mount Analyzer Dimensions

    Part 2 – Mechanical Installation Q46/88 Q-Blast Suspended Solids Monitor System Figure 3 - Wall Mount Analyzer Dimensions Figure 4 - Cleaner Enclosure Dimensions O&M Manual Rev-G (11/18)

  • Page 12: Railing Mount

    Part 2 – Mechanical Installation Q46/88 Q-Blast Suspended Solids Monitor System Railing Mount Figure 5 shows the optional mounting assembly (on system mounting plate) used to mount the analyzer and cleaner assembly to a typical safety handrail that surrounds many aeration tanks. This bracket assembly consists of vertical channels attached to the handrail with u-bolts.

  • Page 13: Sensor Installation

    Part 2 – Mechanical Installation Q46/88 Q-Blast Suspended Solids Monitor System Sensor Installation The suspended solids sensor is contained in a housing that acts as a light shield and also directs the cleaning air across the face of the sensor. Figure 6 shows an exploded view of that assembly.

  • Page 14: Figure 7 - Sensor Mounting Assembly

    Part 2 – Mechanical Installation Q46/88 Q-Blast Suspended Solids Monitor System Sensor Installation Applications for Auto-Clean monitoring are done using a submersible sensor. Submersible sensors are mounted to a 1" pipe using a standard 1" PVC thread by thread pipe coupling. The mounting pipe can be secured to standard 1½”...

  • Page 15: Figure 8 - Sensor Mounting Detail

    Part 2 – Mechanical Installation Q46/88 Q-Blast Suspended Solids Monitor System Figure 8 - Sensor Mounting Detail O&M Manual Rev-G (11/18)

  • Page 16: Part 3 - Electrical Installation

    Part 3 - Electrical Installation General Q46/88 Auto-Clean Suspended Solids monitors and Q-Blast cleaners are powered from 90-260 VAC, 50/60 Hz. or 12-24 VDC. Systems can draw up to 0.5 amps when the internal air compressor activates as part of the sensor cleaning system. Normal current draw is less than 0.2 amps when the cleaner is off.

  • Page 17: Figure 9 - Q46/88 Connections

    Part 3 – Electrical Installation Q46/88 Q-Blast Suspended Solids Monitor System Figure 9 - Q46/88 Connections O&M Manual Rev-G (11/18)

  • Page 18: Figure 10 - Q-Blast Connections

    Part 3 – Electrical Installation Q46/88 Q-Blast Suspended Solids Monitor System Figure 10 - Q-Blast Connections O&M Manual Rev-G (11/18)

  • Page 19: Sensor Connections

    Part 3 – Electrical Installation Q46/88 Q-Blast Suspended Solids Monitor System Sensor Connections Prior to making any sensor connections, the sensor wire and the cleaner air tube must be run up inside the mounting pipe as shown in the previous section, Figure 8. The sensor cable is connected to the Q46 terminal strip on the front lid of the assembly as shown in Figure 111.

  • Page 20: Q-Blast To Q46 Connection

    Part 3 – Electrical Installation Q46/88 Q-Blast Suspended Solids Monitor System Q-Blast to Q46 Connection Connections inside the Q-Blast enclosure include power and an interconnect cable running to the Q46 monitor. To access the terminal compartment, loosen the 4 screws holding the cover in place and set the cover aside.

  • Page 21: Figure 12 - Electrical Connections

    Part 3 – Electrical Installation Q46/88 Q-Blast Suspended Solids Monitor System Figure 12 - Electrical Connections O&M Manual Rev-G (11/18)

  • Page 22: Figure 13 - Q-Blast Connections W/Optional J-Box

    Part 3 – Electrical Installation Q46/88 Q-Blast Suspended Solids Monitor System Figure 13 - Q-blast Connections w/Optional J-Box O&M Manual Rev-G (11/18)

  • Page 23: Analog Output Connections

    Part 3 – Electrical Installation Q46/88 Q-Blast Suspended Solids Monitor System Analog Output Connections Q46 Auto-Clean systems provide two 4-20 mA outputs. Output connections are made to terminal TB1 as shown in Figure 9. Relay Connections Relay wiring is done to terminal blocks inside the Q46 display assembly. This unit actually contains three SPDT relays, and a bank of three low-power relays that is used to control the activation of the sensor automatic cleaning system.

  • Page 24: Part 4 - Operation

    Part 4 - Operation User Interface The user interface for the Q46 Series instrument consists of a custom display and a membrane keypad. All functions are accessed from this user interface (no internal jumpers, pots, etc.). RELAY 4-DIGIT INDICATOR MAIN DISPLAY MENU ICONS MENU ICONS SIGN...

  • Page 25: 4.11 Keys

    Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation 4.11 Keys All user configurations occur through the use of four membrane keys. These keys are used as follows: MENU/ESC To scroll through the menu section headers or to escape from anywhere in software.

  • Page 26: Software

    Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation Icon Area The icon area contains display icons that assist the user in set-up and indicate important states of system functions. The CAL, CONFIG, CTRL, and DIAG icons are used to tell the user what branch of the software tree the user is in while scrolling through the menu items.

  • Page 27: 4.21 Software Navigation

    Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation 4.21 Software Navigation Within the CAL, CONFIG, CONTROL, and DIAG menu sections is a list of selectable items. Once a menu section (such as CONFIG) has been selected with the MENU key, the user can access the item list in this section by pressing either the ENTER key or the UP arrow key.

  • Page 28: Figure 15 - Software Map

    Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation Start MENU M ENU M ENU M ENU M ENU M ENU MEASURE CONFIG CONTROL DIAG SECTIONS (display only) ENTER ENTER ENTER ENTER Temperature PID 0% #1 Entry Lock Cal Span Set Hold % Signal PID 100% #1...

  • Page 29: Measure Menu [Measure]

    Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation 4.22 Measure Menu [MEASURE] The default menu for the system is the display-only menu MEASURE. This menu is a display-only measurement menu, and has no changeable list items. When left alone, the instrument will automatically return to this menu after approximately 30 minutes.

  • Page 30: Calibration Menu [Cal]

    Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation Note: A display test (all segments ON) can be actuated by pressing and holding the ENTER key while viewing the model/version number on the lower line of the display. The MEASURE screens are intended to be used as a very quick means of looking up critical values during operation or troubleshooting.
  • Page 31 Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation Comp Table The suspended solids monitor uses a lookup table to convert sensor signals to solids numbers. This is normally a linear function but the monitor allows you to modify the table to match applications where the sensor response is non-linear.

  • Page 32: Control Menu [Control]

    Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation for further details. The AL setting allows two setpoints to be selected for the same relay, producing a HI-LO alarm band. In this mode, Relay A will trip inside or outside of the band, depending upon the Phase selected.
  • Page 33 Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation PID Setpnt The measured value which the controller is attempting to maintain by [Iout1=PID] adjusting output value. It is the nature of the PID controller that it never actually gets to the exact value and stops. The controller is continually making smaller and smaller adjustments as the measured value gets near the setpoint.

  • Page 34: Figure 16 - Control Relay, Hysteresis & Phase Options

    Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation *A Setpoint This function establishes the oxygen trip point for relay A. The entry value is limited to a value within the range specified in “Set Range”. Use the LEFT arrow key to select the first digit to be modified. Then use the UP and LEFT arrow keys to select the desired numerical value.

  • Page 35: Figure 17 - Alarm Relay Example

    Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation If Relay A Mode is set to Alarm Mode, AL, then the following settings will *Setpnt A-HI appear in the Config Menu list automatically. In this mode, two setpoints *Hyst A-HI can be selected on the same relay, to create an alarm band.

  • Page 36: Diagnostics Menu [Diag]

    Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation *Timer CYCLE When Timer Funcs is set to ON in the Config Menu, three additional *Timer CLEAN menu items appear in the Control Menu. These are Timer Cycle, Timer *Timer HOLD Clean, and Timer Hold.
  • Page 37 Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation Set Hold The Set Hold function locks the current loop output values on the present process value and holds 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.
  • Page 38 Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation Sim Out The Sim Out function allows the user to simulate the oxygen level of the instrument in the user selected display range. The user enters a ppm value directly onto the screen, and the output responds as if it were actually receiving the signal from the sensor.
  • Page 39 Q46/88 Q-Blast Suspended Solids Monitor System Part 4 - Operation This function has three options. ON – On all the time, OFF – Off all the Backlight time, AL – Alarm (Default). This function flashes the backlight on and off whenever the Fail icon is displayed.

  • Page 40: Part 5 - Calibration

    Part 5 - Calibration _____ Suspended Solids Calibration Suspended solids monitors will start to measure aqueous samples as soon as power is applied and the sensor is in contact with sample. Calibration of a system is normally required at start-up as factory calibration for suspended solids is not practical due to solids density variability.

  • Page 41: Check Signal Function

    Q46/88 Q-Blast Suspended Solids Monitor System Part 5 - Calibration Submerge the sensor in the process tank or turn on the process water flow through the flowcell or flow tee. Allow the sensor to stabilize for 5-10 minutes. If possible, take a sample and get a measurement made as quickly as possible using an alternative method.

  • Page 42: External Light Function

    Q46/88 Q-Blast Suspended Solids Monitor System Part 5 - Calibration To calibrate the check signal value, proceed as follow. Be sure that the sensor is in normal operation. You cannot complete this procedure with the sensor out of the sample. Press Menu to go to the CAL Menu.
  • Page 43 Q46/88 Q-Blast Suspended Solids Monitor System Part 5 - Calibration The calibration data gathering process will begin. The message Wait will flash as data is accumulated and analyzed. The°C or °F symbol may flash periodically if the reading is too unstable. The message Adjust value - press ENTER will be displayed, and the right-most digit will begin to flash, indicating that the value can be modified.

  • Page 44: Part 6 - Sensor Auto-Clean System

    Part 6 - Sensor Auto-Clean System ____ General The cleaner control system located in the cleaner enclosure contains a number of components designed to supply pulses of high pressure air to the tip of the sensor. The main components and their function are as follows: Compressor: The air compressor is a small DC powered diaphragm type compressor...

  • Page 45: Part 7 - Pid Controller Details

    Part 7 – PID Controller Q46/88 Q-Blast Suspended Solids Monitor System Part 7 - PID Controller Details PID Description PID control, like many other control schemes, is used in chemical control to improve the efficiency of chemical addition or control. By properly tuning the control loop that controls chemical addition, only the amount of chemical that is truly required is added to the system, saving money.
  • Page 46 Part 7 – PID Controller Q46/88 Q-Blast Suspended Solids Monitor System The most notable feature of the algorithm is the fact the proportional gain term affects all components directly (unlike some other algorithms - like the “series” form.) If a pre-existing controller utilizes the same form of the algorithm shown above, it is likely similar settings can for made if the units on the settings are exactly the same.

  • Page 47: Classical Pid Tuning

    Part 7 – PID Controller Q46/88 Q-Blast Suspended Solids Monitor System Classical PID Tuning Unlike many high speed position applications where PID loops are commonly used, the chemical feed application employed by this instrument does not require intense mathematical exercise to determine tuning parameters for the PID.
  • Page 48 Part 7 – PID Controller Q46/88 Q-Blast Suspended Solids Monitor System 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 these applications to study steady-state impact as well as step-change impact to process changes.

  • Page 49: Part 8 - System Maintenance

    Part 8 - System Maintenance General The Q46/88 Suspended Solids System will generally provide unattended operation over long periods of time. With proper care, the system should continue to provide measurements indefinitely. For reliable operation, maintenance on the system must be done on a regular schedule.

  • Page 50: Part 9 - Troubleshooting

    Part 9 - Troubleshooting General The information included in this section is intended to be used in an attempt to quickly resolve an operational problem with the system. During any troubleshooting process, it will save the most time if the operator can first determine if the problem is related to the analyzer, sensor, or some external source.

  • Page 51: Analyzer Tests

    Part 9 – Troubleshooting Q46D/60 Auto-Clean Suspended Solids Monitor System driving these types of loads when they are switched on an off, the relay wiring placement can result in electrical interference for other devices. This can be quickly resolved by moving wiring, or by adding very inexpensive snubbers (such As Quencharcs) to the load Carefully examine any junction box connections for loose wiring or bad wire stripping.

  • Page 52: Figure 19 - Q46/88 Display Messages

    Part 9 – Troubleshooting Q46D/60 Auto-Clean Suspended Solids Monitor System MESSAGE DESCRIPTION POSSIBLE CORRECTION Reduce value to ≤ 2000 Max is 200 Entry failed, maximum user value allowed is 2000. Increase value to ≥ 20 Min is 200 Entry failed, minimum value allowed is 20. Cal Unstable Calibration problem, data too unstable to Clean sensor, get fresh cal solutions, allow calibrate.

  • Page 53: Spare Parts

    Part 9 – Troubleshooting Q46D/60 Auto-Clean Suspended Solids Monitor System Spare Parts PART NO. DESCRIPTION 07-0378 AC Powered monitor electronics assembly, 100-240 VAC 07-0379 DC Powered monitor electronics assembly 12-24 VDC 07-0380 AC Powered monitor electronics assembly w/Profibus, 100-240 VAC 07-0381 DC Powered monitor electronics assembly w/Profibus, 12-24 VDC 03-0445...
  • Page 54 PRODUCT WARRANTY Analytical Technology, Inc. (Manufacturer) warrants to the Customer that if any part(s) of the Manufacturer's equipment proves to be defective in materials or workmanship within the earlier of 18 months of the date of shipment or 12 months of the date of start-up, such defective parts will be repaired or replaced free of charge.
  • Page 55 WATER QUALITY MONITORS GAS DETECTION PRODUCTS Dissolved Oxygen Ammonia Carbon Monoxide Free Chlorine Hydrogen Combined Chlorine Nitric Oxide Total Chlorine Oxygen Residual Chlorine Dioxide Cl2 Phosgene Potassium Permanganate Bromine Chlorine Dissolved Ozone Chlorine Dioxide pH/ORP Fluorine Conductivity Iodine Hydrogen Peroxide Acid Gases Peracetic Acid O Ethylene Oxide...

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