Startup Guide For ATP-CO-T2-CTF
Contents
1. 2 STARTUP AEGIS CONTROLLER ATp CO T2 CTF B 2 Minimum Startup Sequence continued Set Bleed Setpoints 8 Scroll UP or DOWN to the 2 Bleed_2 display Key ENTER to Setpoints and adjust the Turn ON amp TurnOFF setpoints for your treatment program and make up chemistry Typically the two setpoints are 10uS apart Verify Bleed amp Meters 9 Plug in the bleed solenoid in the plug labeled 2 and or open the upstream solenoid isolation valve If 2 Bleed_2 is not ON key ENTER and Test Prime for 15 minutes If you can view the tower drain verify there s flow when the bleed solenoid is ON If you have a P Bleed Meter installed it should measure volume within the Test Prime time Monitor sensor A Conductivity_A Its value should fall as the tower float drops and turns ON the tower make up If you have an O Makeup_O meter installed you ll see it measure increased volume as the tower makes up Select Inhibitor Feed Mode 10 Scroll UP or DOWN to the 1 Inhibitor_1 display It s currently set to feed based on the tower make up meter volume If you don t have a make up meter key ENTER to Configure amp Special Control amp then select Bleed thenFeed Set Feed Setpoints 11 2 1 Chemical Feed 101 outlines estimating setpoints for typical feed modes to get a target ppm of inhibitor Approximate amp correct based on your wet ppm testing after a week of run time If this tower has no inhibi2. Use either or both Set Biocide Feed Limits D Scroll UP or DOWN to the 4 BiocideA_4 display Key ENTER to Alarms Limits and adjust the Min Actuation alarm Repeat for 5 BiocideB_5 FYI The Biocide feed limit is set to turn OFF on limit since overfeeding biocide usually means an error in setting feed time or an extended Prime Test period Set Make up Meter Volume Day Alarm E Scroll UP or DOWN to the meter O Makeup_O display Key ENTER to Alarms and adjust High Alarm Repeat for P Bleedmeter_P FYI If you have a 24 7 site set the Low Alarm amp flag meter failure 24 7 Sites Set Flowswitch Alarm F Scroll UP or DOWN to the S Flowswitch_S display Key ENTER to Alarms and adjust No Flow Alarm FYI A No Flow alarm indicates no flow past the measuring sensors amp therefore no control Appendix B 7 21 08 25
3. S CONTROLLER ATp CO T2 CTF B 3 Startup Sequence Options Not all sites will require or wish to do the following optional steps Refer to the user manual for guidance on selecting and setting Set Bleed Limit Alarms A Scroll UP or DOWN to the 2 Bleed_2 display Key ENTER to Alarms Limits and adjust both Min Actuation and Minutes Day alarms to flag variation from the expected bleed operation FYI The Bleed limit is set NOT to turn OFF on limit so you get the warning but bleed continues Use Min Actuation to flag a partially blocked bleed and Minute Day to flag an increase in make up conductivity or bleed setpoints set too low Set limit times so that nuisance alarms do not occur Set Conductivity Alarms B Scroll UP or DOWN to the sensor A Conductivity_A display Key ENTER to Alarms and adjust both High Alarm and Low Alarm FYI The Low conductivity alarm can flag a sump or circulation piping water loss The High conductivity alarm can flag a failed or blocked bleed Use the Delay on Alarm setting to block nuisance alarms Set Biocide Prebleed Lockout C Scroll UP or DOWN to the 4 BiocideA_4 display Key ENTER amp scroll to Configure Key ENTER amp scroll to Special Control Key ENTER amp scroll to Prebleed Lock Repeat for 5 BiocideB_5 FYI IF you able to schedule biocide feeds during the tower s low load period you may not need Prebleed Lock You don t need to set both PreBleed amp Lock out
4. STARTUP AEGIS CONTROLLER ATp CO T2 CTF B 1 Appendix B Summary Safety Sensors are installed in and pumps inject into pressurized piping Loose or improperly assembled fittings may leak water or chemicals Do not leave the controller turned ON unless you have configured it for the site s water treatment program amp verified that the pumps and solenoid are operating FYI inserts For Your Information explanations Here s what we re going to do Startup walks you through controller set up step by step We ll start by verifying each sensor and then we ll adjust blowdown and feed setpoints and limit alarms We ll check that the bleed solenoid is operating and that the pumps are pumping You ll need to know and be able to do the following You ll need to be able to measure the cooling water conductivity You ll need to know the target conductivity for the cooling tower and the feed rate for the inhibitor You ll need to know the biocide feed program when each biocide is fed and for how long FYI Estimating the total volume of water in the tower amp it s piping amp knowing your target biocide concentration and biofeed pump GPH rating make feed time easy to calculate If you ve installed one or more water meters you ll need to know the Gallons contact for each meter If they are turbine meters you ll need to know the K factor Knowing the expected tower make up volume per day and the nominal hours of tower op
5. cides A amp B may be alternated every week or during each week Oxidizing biocides like bleach are usually fed 1 to 3 days a week using the 7 Days Event Cycle Set BiocideA amp BiocideB Feed Events 15 Scroll UP or DOWN to the 4 BiocideA_4 display Key ENTER amp scroll to Biofeed Event Key ENTER amp Add Event Repeat amp Add Event for 5 BiocideB_5 FYI The Add Event display shows you how many feed events are set for this pump Once you set an event the controller will prompt you for how often you wish to run the event Verify BiocideA Feed 16 Scroll UP or DOWN to the 4 BiocideA_4 display Plug in the BiocideA pump to the plug labeled 4 Key ENTER to Prime Test amp feed for 5 minutes Verify that the biocide pump primes amp feeds Verify BiocideB Feed 17 Scroll UP or DOWN to the 5 BiocideB_5 display Plug in the BiocideB pump to the plug labeled 5 Key ENTER to Prime Test amp feed for 5 minutes Verify that the biocide pump primes amp feeds Optional End Prime Tests 18 Scroll UP or DOWN to each priming pump s display Key ENTER amp UP or DOWN to Alarms Limits amp ENTER Scroll to Clear Alarms amp ENTER to ending any active Prime Test FYI If you noted the make up and or bleed water meter volumes in Step 7 check that the current volumes on each meter reflect the make up or bleed that has occurred during Start up Appendix B 7 21 08 4 STARTUP AEGI
6. eration if not 24 7 will help you set the inhibitor feed rate and biocide timing First time users Have the controller user manual available to step you through the calibrate configure and setpoint sequences If you have the LB LAN browser option installed you can use a notebook PC amp Ethernet crossover cable to startup Refer to Appendix C of the user manual if you haven t set up your notebook to browse the controller FYI Your controller may have been pre configured for this site Skip steps that involve setpoint adjust feed mode amp biocide timing Appendix B 7 21 08 rs STARTUP AEGIS CONTROLLER ATp CO T2 CTF B 2 Minimum Startup Sequence Unplug Pumps Valve OFF Bleed Valve ON flow 1 If not hardwired unplug the chemical pumps and solenoid If solenoid hardwired close the upstream isolation valve Open the downstream isolation valve on the sensor chemical injection piping and then the upstream isolation valve FYI Always OPEN in this order amp CLOSE upstream first Check for leaks 2 Inspect the chemical injection points and the sensor entries for leaks amp correct If you ve just installed water meters make sure they are not bypassed amp that the installation fittings are not leaking Verify Flowswitch 3 Plug in or power up the controller Scroll UP or DOWN to the S Flowswitch_S display and ensure that within 30 seconds of power ON the flowswitch shows ON Don t proceed u
7. ntil the flowswitch shows ON FYI Thermal flowswitches take time to respond The CTF type responds within 30 seconds at 1GPM Check Temperature 4 Scroll UP or DOWN to the sensor B Temperature_B display amp check that it s displaying the approximate temperature 10F FYI Temperature doesn t need to be accurate We re only using it to compensate conductivity so it has to track changing when the cooling water changes temperature Calibrate Conductivity 5 Scroll UP or DOWN to the sensor A Conductivity_A display Measure the tower water conductivity at the sensor sample valve and calibrate the conductivity sensor Correct for Time Zone 6 Key EXIT to the Day Time display If necessary key ENTER scroll to Time amp Date amp adjust the time for your time zone FYI Sets the time amp date stamp correctly for timed biocide feeds alarms amp data logging Configure Water Meters 7 FYI Skip 7 if you don t have a make up or bleed meter Scroll UP or DOWN to the meter O Makeup_O display It s currently a contact head meter 100 Gallons contact Key ENTER to Configure if you need to modify the meter type or gallons per contact Scroll UP or DOWN to the meter P Bleedmeter_P display It s currently a contact head meter 100 Gallons contact Key ENTER to Configure if you need to modify the meter type or gallons per contact Note both water meters current volume display Appendix B 7 21 08
8. tor in it now estimate its volume amp use Prime Test to get to initial ppm levels Scroll UP or DOWN to the 1 Inhibitor_1 display amp key ENTER to Setpoints If you are using a meter based feed you ll enter meter volume amp pump ON time setpoints If you are using Bleed thenFeed you ll setpoint the of every 5 minutes of bleed time Verify Inhibitor Feed 12 Scroll UP or DOWN to the 1 Inhibitor_1 display Plug in the Inhibitor pump to the plug labeled 1 Key ENTER to Prime Test amp feed for 5 minutes Verify that the inhibitor pump primes amp feeds Appendix B 7 21 08 3 STARTUP AEGIS CONTROLLER ATp CO T2 CTF B 2 Minimum Startup Sequence continued Set Inhibitor Feed Limits 13 Scroll UP or DOWN to the 1 Inhibitor_1 display Key ENTER to Alarms Limits Key ENTER amp scroll to Minutes Day Adjust this feed limit to prevent overfeeding FYI The Inhibitor feed limit is reset midnight so that the same amount of inhibitor is available for each day s treatment The Mins Actuation limit is seldom used for inhibitor feeds Set BiocideA amp BiocideB Cycle Days 14 Scroll UP or DOWN to the 4 BiocideA_4 display Key ENTER amp scroll to Configure Key ENTER amp scroll to Event Cycle A 28 Day cycle is the default Adjust if your feed program requires a weekly program Repeat amp set Event Cycle for 5 BiocideB_5 FYI Organic biocides are typically fed on a 28 day 4 week cycle Bio
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