SlimFlex Water Treatment Controller For Cooling Towers
Contents
1. 150mm Sensor Digital Input AWG 22 0 25 0 50mm Terminals Paddlewheel Meter Power 14 20 VDC unregulated 4 20mA output option can be Thermally fused 50mA powered by load or by controller 4 20mA output loop power Mechanical Rating Notes Enclosure Non metallic NEMA4X IP65 Nominal dimensions excluding 7 W x6 H x 4 D entry fittings and flexible conduit 180mm W x 150mm H x 100mm D Allow 12 on right for pump cabling Pollution degree 2 Allow 18 below for cable Installation category II conduit access Altitude 2000m Humidity up to 85 Temperature 5C to 40C Rated for indoor use AQCI_F_User 5 07 49 SlimFlex Water Treatment Controller Appendix C HARDWIRING Ground Green Line Black Neutral White 120VAC Service E Power from a Red 2 dedicated 15A GFI m circuit breaker White 2 awg14 stranded White 3 White 4 Green 1 Redi C Red2 Bleed Solenoid Green 2 White 2 Black 2 Inhibitor Pump Green 3 White 3 Black 3 Biocide A Pump Green 4 White 4 gt Black 4 Biocide B Pump AQCI_F_User 5 07 Q Black 4 Black 3 Black 2 Redi Ground Green Green f Green 2 Green 3 Green 4 Connect grounds in a common wire nut HARDWIRING REQUIREMENTS If you are hardwiring anything more than the AC power an external terminal enclosure is required Do not exceed AWG714 for AC power wiring Pump and2. If the Inhibitor feed mode is set to Bleed amp Feed the Inhibitor Pump will turn ON when the Bleed turns ON If the of each 5 minutes is set to less than 100 the Inhibitor Pump will turn ON amp OFF while the Bleed in ON If the Inhibitor feed mode is set Bleed then Feed the Inhibitor Pump will always be OFF when the Bleed is ON amp will turn ON as soon as the bleed turns OFF If the inhibitor pump is set to Feed on Volume the inhibitor pump will turn ON after measuring Make up If the Bleed is ON the Inhibitor Pump will wait until the Bleed turns OFF before turning ON 2 7 Check Controls Conductivity amp Bleed Conductivity v 1425 us Sf Bleed Solenoid lt ON 564 2min amp Inhibitor Pump Bleed Solenoid ON 564 2min Sf Inhibitor Pump lt ON 48 1min Make up Today lt 38200 G Sf Inhibitor Pump ON 124 8min Sidebar The Bleed Solenoid and Pumps will not turn ON unless the Flowswitch is ON Increase the Limit Timer to allow the pump to turn ON The Inhibitor Pump turns OFF if the daily Feed Limit is exceeded Bleed Solenoids may turn OFF if Biocide is set to Prebleed and a timed event is scheduled Bleed Solenoids may not turn ON if Biocide is set to Lockout and a timed event has started AQCI_F_User 5 07 19 SlimFlex Water Treatment Controller If you have not set a Biocide Prebleed or Lockout Biocide A or B pump will turn ON for the preset time
3. OFF 20 0min QA then B Prebleed lt 4 Lockout y for 20min v or 650us y 4 for 20min A or 650us lt 4 Edit amp ENTER 600us gt p eo 5 then 4e for 20min v or 600us y Sidebar Prebleeding turns on the bleed solenoid before each biocide event to lower the tower conductivity Prebleeding limits bleed and sewering of the biocide during the kill time Biocides are usually fed during tower low load or no load so Prebleeding may not be required Prebleeding is also used to prevent overcycling during the Lockout period when the bleed is OFF Biocide A and Biocide B may require different Prebleed amp Lockout settings AQCI_F_User 5 07 32 SlimFlex Water Treatment Controller Biocide Lockout Press UP DOWN until you see Biocide A or Biocide B Press ENTER amp DOWN to Lockout Press ENTER to view and edit Lockout time Press ENTER to edit or press EXIT Factory default Lockout is set to 0 minutes Press ENTER to adjust Press RIGHT to place the underline where you wish to adjust Press UP DOWN to adjust or EXIT to make no changes Biocide Cycle Days Press UP DOWN until you see Biocide Press ENTER amp DOWN to Cycle Days Press ENTER to view and edit Cycle Days Press ENTER to edit or press EXIT Key UP DOWN to select 28 7 or 1 day amp then press ENTER Changing Cycle Days deletes existing events Biocide events repeat every 28 7 or 1 day
4. on the selected Day Prebleed time starts at the time set for the event amp ends after the Prebleed time OR when the conductivity target is met Lockout time starts after the timed event ends turning OFF the Bleed During Prebleed watch the Bleed Solenoid amp Conductivity During Lockout watch the Bleed Solenoid Status Press ENTER amp DOWN Bleed Solenoid for Prebleed and or Lockout end options 2 8 Check Controls continued Biocide Pump amp Bleed Valve Conductivity Biocide A Day 4 OFF 20 0min Sf Bleed Solenoid ON 204 2min Sf Conductivity lt q 415 us Sidebar If you set the Prebleed conductivity below the make up conductivity then you will always prebleed for all of the prebleed time If you require a long Lockout feed during low or no tower load to prevent over cycling the tower Prebleed Time Conductivity settings and Lockout times can be set independently for Biocide A amp Biocide B Non Oxidizing biocides may require a longer kill time than an oxidizing biocide AQCI_F_User 5 07 20 SlimFlex Water Treatment Controller Sensor calibration and temperature verify is detailed in Section 2 4 Verify Conductivity Sensor Press UP DOWN until you see Conductivity Press ENTER amp then DOWN to Alarms Press ENTER to view current alarms or adjust Press ENTER to adjust the High Alarm or DOWN amp ENTER to adjust the Low Alarm Press UP DOWN to adjust
5. 3 5 Biocide Events continued Biocide Dayl2 OFF 20 0min then Lockout v Prime Pump rv Lockout 2174 O min lt ga Edit amp ENTER 120 min gt Ty then Cycle Days lt Current State v p 28 Days lt 1 Day y 3 1 Day v 7 Days Cycle days lt Current State y Sidebar Lockout prevents the bleed solenoid from turning ON during the biocide kill time and sewering the biocide Lockout is usually used with Prebleed to prevent tower overcycling during the Lockout period Non Oxidizing biocides typically use a 28 or 7 Day cycle Oxidizing biocides typically use a 7 or 1 day cycle AQCI_F_User 5 07 33 SlimFlex Water Treatment Controller 3 5 Biocide Events continued Biocide Current State Press UP DOWN until you see Biocide A or Biocide B Biocide Day 4 Press ENTER amp UP to Current State OFF 38 0min 4a then T Press ENTER to view Current State Current State lt Add Events y If there are no Biocide feed events running displays OFF Biocide 170 OFF OK v If a Biocide feed event is running OR counts down remaining time ON for 21 3min Press ENTER to end event ON ENTER Stop or EXIT to return to Current State Sidebar Bleed Solenoid Prebleeding starts when an event is scheduled Biocide pump turns ON after Prebleed time ends Bleed Solenoid Lockout period starts when the biocide pump turns ON Setup and operation is the
6. AQCI F_User 5 07 continued Flowswitch ON 780 6min ST Biocide A Day10 ON 20 5min ST Biocide B Day10 lt OFF 30 0min Sf Thu 16 54 10 lt S N 1T041T0486 LAN IP gt 10 10 6 101 OR 4 20mA Output 15 4mA OR Alarm Relay 4 Closed 10 SlimFlex Water Treatment Controller 2 2 Bleed Mode Conductivity Setpoints The factory default is Bleed on Conductivity Refer to 3 2 Bleed Controls to select one of three Bleed Modes Bleed Solenoid Press UP or DOWN until you see ON 564 2min Bleed Solenoid amp press ENTER Press ENTER to view or adjust Setpoints Setpoints lt lt Bleed Mode v Displays current bleed setpoints Varies with Bleed Mode Turn ON 1150 TurnOFF 1140 4 Press ENTER adjust Turn ON J or DOWN amp ENTER for TurnOFF Edit amp Enter Press UP DOWN to adjust and RIGHT to move the cursor Turn ON 1180 id Press EXIT to leave the Setpoints unchanged BH tren 4 Press ENTER displays current setpoints Turn ON 1180 lt If you make Turn ON less than TurnOFF TurnoFF 1140 v the setpoints will be switched Sidebar The difference between Turn ON amp TurnOFF the deadband is usually set to 10uS If you are watching the tower conductivity as the sump float turns the make up water ON amp OFF you ll observe the operational deadband exceeds 10uS Delays in starting and stopping the make up due to sump float trip points increases the operational deadband beyond the cont
7. Bleed Solenoid outputs are fused at 5 amps 120VAC total AC wiring must be minimum AWG18 rated 300V Use multiple strand copper AC power wiring Do not use solid conductors 50 SlimFlex Water Treatment Controller Appendix D CL 4 20mA Output Option The optional 4 20mA output on conductivity is DC isolated from the controller amp may be either powered by the load or by the controller DC supply The 4 20mA output is auto polarity correcting amp detects an open or unpowered loop D1 WIRING 4 20 mA LOAD POWERED 4 20mA Output 2 Conductor The Monitoring or Distributed Control ao reel system powers the controller current z loop with 18 24VDC and reads controller conductivity A Terminate current 24V IN loop at DCS input with 50 to 250 ohms 4 20mA Input Controller alarms Distributed when monitoring Control System japan 4 20 mA Output CONTROLLER POWERED 4 20mA Output Card The Controller powers the current loop output used to control the pump or valve on conductivity Loop Powered 15V Controller Supply Pump or Valve Thermally fused at 100 ma to protect Proportional Controller and Pump Control AQCI_F_User 5 07 51 SlimFlex Water Treatment Controller Appendix D CL 4 20mA Output Option D 2 VIEW amp ADJUST SPAN The displayed value of the 4 20mAloop current depends on both the conductivity and the Span If the current loop output is disconnected you ll see this displ
8. Detail Notes Bleed Solenoid Controls Conductivity Water Meter amp Percentage Time Inhibitor Pump Controls Bleed amp Feed Bleed then User sets of Bleed ON time Feed Feed on Volume amp used for Inhibitor feed Percentage Time User selected block on Biocide Daily feed limit timer feed Biocide A 28 Events in a cycle User selected 1 7 or 28 day Timed Events 1 minute resolution cycle Lockout Prebleed on both time and conductivity Biocide B 28 Events in a cycle User selected 1 7 or 28 day Timed Events 1 minute resolution cycle Lockout Prebleed on both time and conductivity Flowswitch Bleed Solenoid amp Pumps OFF CTF sensor combine when Flowswitch contact set Conductivity Temperature opens Flowswitch in one sensor Flowswitch trips at 1GPM within 15 seconds System Rating Detail Notes Controller Configuration User settings and biocide events Makes current configuration written on silicon factory default Clock Battery backed 5 years of normal CR2032 clock battery available usage at Radio Shack AQCI_F_User 5 07 48 SlimFlex Water Treatment Controller Electrical Rating Detail Notes Fusing 5 Amps 115VAC 5x20mm 120VAC fusing 2 Amps 230VAC Surge Spike Suppression Bleed solenoid relay contacts Controller electronics snubbed 0 1uF 150R transformer isolated from AC Varistor on AC power input line AC Terminals AC Input amp Output maximum Stranded AWG 14
9. ENTER to view or change the pulses per Gallon K Factor Metric users view pulses per Liter 100 0 lt Press UP DOWN to adjust K Factor Edit amp ENTER or EXIT to leave unchanged 104 5 gt T ven ENTER or EXIT displays the current meter type Paddlewheel al Contact Head y Sidebar Force make up by either opening the bleed solenoid bypass or lowering the Bleed Setpoints Verify that the make up meter displays an increasing volume as the float opens the make up line Close the bypass or reset Bleed Setpoints after verifying the meter WARNING Verify paddlewheel meters immediately and disconnect if not verified Mis wired paddlewheel meters will fail the meter Hall Effect sensor AQCI_F_User 5 07 16 SlimFlex Water Treatment Controller 2 6 Plug in Pumps and Bleed Solenoid Sections 2 1 to 2 5 adjust setpoints and verify sensors We re now ready for the bleed solenoid and each chemical pump verifying each one as it s plugged in Remove the lower access panel on the controller enclosure Plug the bleed solenoid into the right bottom plug Press UP or DOWN to view Bleed Solenoid If ON verify that the green R1 light on the right side of the enclosure is ON Verify that the bleed solenoid is open and that tower water is going to drain If OFF press ENTER amp DOWN to Test Bleed Press ENTER and the Bleed amp R1 light will turn ON for 5 minutes Plug the inhibitor pump into the top of the 3 sidewa
10. Tower Chemical E Pump Biocidea J i Injection x points e os Optional Inhibitor ii Make up I S Water Meter Fow Isolation Valve Exchanger os Isolation Valve N lt Conductivity Flowswitch Sensor Sample injection Piping PVC 100psi MAX Flow Vevo Di Typical Installation Piping Bi ed Solenoid Your installation may not include a make up meter or Valve Smaller towers place the conductivity sensor er in the tower re circulation line AQCI_F_User 5 07 4 SlimFlex Water Treatment Controller 1 2 Controller Enclosure Remove the lower controller enclosure cover Hang the controller on a single 8 10 screw located 60 150cm above the floor Install the bottom left amp right mounting screws through the existing enclosure holes located behind the lower cover Flow Typical Equipment Layout Controller Chemical Injection points Chemical Feed Pumps Plugs wiring amp tubing not shown Pump Shelf Sensor Although sensor cables and pump tubing may be extended ease of servicing occurs when water treatment components are located in the same area Ensure that the lower enclosure cover is installed when not terminating sensor and water meter wiring AQCI_F_User 5 07 5 SlimFlex Water Treatment Controller 1 3 Conductivity Flowswitch Sensor After installing the conductivity flowswitch sensor open the sample piping downstream valve
11. and RIGHT to move the cursor Press EXIT to leave Alarm unchanged ENTER updates the alarms amp displays the current High amp Low Alarms Conductivity Alarms display on the Alarms display and resets automatically Clear Alarms does not reset a conductivity alarm above the High or less than the Low Alarm level 3 OPERATION Conductivity 1425 us m Calibrate Alarms 4 Alarms Calibrate m High 1600us Low 1200us m Edit amp ENTER High 1550us Ty then es High 1550us Low 1200uS 3 1 Conductivity Sensor 4 4 lt v gt lt v Sidebar Conductivity alarms may occur when the tower shuts down and drains the sample line or when a Biocide event Prebleed lowers the conductivity When the measured conductivity is between the High amp Low alarms the Conductivity alarm is reset AQCI_F_User 5 07 21 SlimFlex Water Treatment Controller 3 2 Bleed Controls For conductivity control setpoints Section 2 2 Bleed Mode Conductivity Setpoints Bleed Solenoid lt lt Press UP DOWN until you see Bleed Solenoid ON 564 2min Displays ON or OFF and ON time from midnight rv Press ENTER to view or adjust Setpoints setpoints Setpoints vary with selected Bleed Mode Bleed Mode M Press ENTER view current mode or to select from Bleed Mode PT Conductivity Control Percentage Time OR Meter Control Test Bleed Press ENTER Test Bleed to turn ON bleed solenoid Tes
12. will be closed Alarm contacts open on alarm This display verifies the contact set state measured at the Building Automation System input terminals AQCI_F_User 5 07 Alarms Sf Alarm Contacts CLOSED No Alarm OR Alarm Contacts OPEN Alarm 54 SlimFlex Water Treatment Controller Appendix F LB LAN Browser Option Download SFlex_LB manual from www Aquatrac com Do not connect the controller to the site LAN without permission and an IP address from the site IT staff You can use a crossover cable to connect to your notebook PC to view the controller state Information on browsing controllers is available in the SFlex_LB manual Owes 4 5min Dh BiocideB Pump On Events OF BiocideA Pump Owes 103sec i Inhibitor gt CONDENSER On 3000 CEF Bleed Valve AQCI_F_User 5 07 COOLING TOWER 8300 G Tower Make up REFRESH 14 1min Flowswitch 1800 uS Conductivity Cooling Tower Controls 2004 10 27 07 31 44 Alarms none Alarms Events and Timers ElReset All Part No CO IN TB TB SerialNumber U904C9999 Click a link in the View to operate the controller Setup Configure Refresh 55
13. 54 OR On in 86sec 150 Seconds count down to zero and pump changes state If Bleed OFF displays Bleed Off 150 If Pump ON displays Owes 101 sec 150 Seconds count down to zero and pump turns OFF If OFF displays Bleed Off If Pump ON displays Owes 41 sec 156 If Pump OFF displays seconds to turn ON Seconds count down to zero and pump changes state If Pump ON displays Owes 38 sec 154 Seconds count down to zero and pump turns OFF If Pump OFF displays turn on volume 9800 amp current volume 9700 3 4 Inhibitor Controls Continued Inhibitor Pump ON 48 1min then T Current State lt Setpoints m Owes 162sec 154 ON ENTER Stop Mode Bleed amp Feed Bleed off 2150 OFF Mode Bleed then Feed On in 267sec 156 OFF Mode Percentage Time On 9800 G 155 OFF 9700 G Mode Feed on Volume Sidebar Bleed amp Feed applies the of Bleed to each 300 seconds on Bleed ON time Bleed then Feed applies the of Bleed to the total Bleed ON time Feed on Volume feeds after the Bleed turns OFF ON ENTER Stop ends the current feed cycle or Time ON period HELP 150 154 2155 amp 2156 and other help numbers display wherever more explanation is available at www aquatrac com AQCI_F_User 5 07 28 SlimFlex Water Treatment Controller 3 5 Biocide Events Biocide A amp Biocide B Menu Options a Biocide Dayl2 Press UP DOWN until you see Biocide A or Biocide B Dis
14. AQUATRACG SYSTEM DESIGN amp ENGINEERING SlimFlex Water Treatment Controller For Cooling Towers Measures Conductivity Temperature Make up Water Meter and Flowswitch Controls the Bleed Solenoid Inhibitor and two Biocide Pumps Includes CTF Conductivity Temperature Flowswitch Sensor Part No CO IN TB TB SlimFlex Water Treatment Controller CONTENTS Safety 1 INSTALLATION 1 1 Sample Piping 1 2 Controller Enclosure 1 3 Conductivity Flowswitch Sensor 1 4 Water Meter 1 5 Pumps and Bleed Solenoid 2 START UP 2 1 Power up Display amp Keypad 2 2 Bleed Mode Conductivity Setpoints 2 3 Inhibitor Feed Mode Setpoints Feed Limits 2 4 Verify Conductivity Sensor 2 5 Check Flowswitch amp Install Water Meter 2 6 Plug in Pumps and Bleed Solenoid 2 7 Check Controls 3 OPERATION 3 1 Conductivity Sensor 3 2 Bleed Controls 3 3 Make up Meter 3 4 Inhibitor Controls 3 5 Biocide Events 3 6 System Alarms 3 7 Password 4 MAINTENANCE 4 1 Guidelines 4 2 Spare Parts 4 3 Technical Support APPENDICES A INSTALL B SPECIFICATIONS C HARDWIRING D CL 4 20mA OUTPUT Option E AR ALARM RELAY Option F LB LAN BROWSER Option AQCI_F_User 5 07 SlimFlex Water Treatment Controller Safety Electrical Shock Hazard Removing the lower enclosure cover with the controller plugged in exposes the user to AC line voltages There are no user serviceable parts behind the upper
15. E A amp operate PUMP INHIBITOR PUMP BLEED Grounded SOLENOID Power Plug HARDWIRING refer to appendix C You may be using a pot feeder controlled by a solenoid to an oxidant as either Biocide A or B Verify that it s plugged into the middle or lowest of the three enclosure sidewall sockets START UP BEFORE you plug in pumps and bleed solenoid A Plug in the controller B Set control modes and setpoints C Set the feed limit on the inhibitor pump D Verify that the sensors are reading correctly and set the alarms E If you are using a water meter force make up and verify that meter is measuring the expected volume F Verify that the flowswitch is working An overview of system operation is available in the Yearly section of 4 1 Maintenance AQCI_F_User 5 07 8 SlimFlex Water Treatment Controller 2 START UP 2 1 Power up Display amp Keypad UP amp DOWN to view options or to EDIT numbers Sf Move RIGHT to select next field when EDITing ENTER to select an option a amp to execute EDITing EXIT to escape option info display or EDITing S Power ON display Day of Week amp current time Press ENTER for Controller Diagnostic Clock System configure US Metric set Press ENTER to clear Alarms Current Conductivity sensor value Press ENTER for Conductivity Calibrate amp Alarms Solenoid ON or OFF and ON time today Press ENTER for Bleed Setpoints Bleed Mode Test End Preble
16. Events to set biotiming Plug the Biocide pump into the lowest of the 3 sidewall plugs Press UP or DOWN to view Biocide B If ON verify that the green R4 light on the right side on the enclosure is ON Verify that the pump is stroking primed and feeding biocide If OFF press ENTER amp DOWN to Prime Pump Press ENTER and the Biocide pump amp R4 light will turn ON for 5 minutes Reinstall the lower access panel on the controller enclosure continued Biocide A Pump Biocide A Day12 OFF 15 0min a then 4 Prime Pump a Cycle days y rv Biocide A Day12 4 ON 15 1min Biocide B Pump Biocide B Day12 OFF 20 0min then 4 Prime Pump v Cycle days y Biocide B Day12 ON 20 1min Sidebar The Bleed Solenoid and Pumps will not turn ON unless the Flowswitch is ON Priming the Biocide pump does not cause a bleed solenoid Prebleed or Lockout Press ENTER at Alarms and ENTER at Clear Alarms to end Test Bleed or Prime Pumps AQCI_F_User 5 07 18 SlimFlex Water Treatment Controller Verify that the controls work in the way that you expect for this site Watch the Conductivity increase as the tower operates The Bleed Solenoid will turn ON as the conductivity exceeds the Turn ON setpoint As the tower makes up the Conductivity will fall below the TurnOFF setpoint and the Bleed Solenoid will turn OFF Verifying a Bleed controlled by a Make up Meter or Percentage time differs
17. W CONSTRUCTION After pressure testing valve OFF the sample piping during post construction re circulation piping cleaning and passivation A 2 SENSORS Conductivity Flowswitch sensors may be installed in any orientation which allows them to be removed for cleaning Do not hang conductivity sensors in metallic tower sumps Water meter and sensor wiring cannot be installed in the same conduit as 120VAC power pump or solenoid wiring Even a short section of shared conduit may cause operational problems CTF type sensor wires may be extended up to 50 feet using 6 conductor AWG22 cable Always splice sensor wires in an electrical fitting to allow both inspection and sensor servicing Extend the conductivity sensor using the same colors as the sensor to avoid wiring errors at the controller terminals Contact head water meters are not polarized simplifying cable extension CAUTION Three wire turbine paddlewheel meters are polarity sensitive and can be permanently damaged by miswiring Wait until you are ready to start up the controller before connecting this type of meter to the controller Meter wiring errors are easily detected and corrected at start up A 3 CHEMICAL INJECTION Inject water treatment chemicals downstream of sensors as recommended by the chemical supplier Do not inject bleach or other oxidants upstream of a recirculating pump or condenser heat exchanger Bleach is frequently injected into the tower sump or into the recirc
18. ay amp Time Adjust Clock Press ENTER amp DOWN to Adjust Clock Stop Inhibitor v Press ENTER to view or adjust current Date amp Time Press EXIT to leave changed aus ae gt or RIGHT to move the underline lt Press UP DOWN to EDIT 3 iien ap After ENTER press UP DOWN to select day of the week Today is m 4 Day of the week is important for Biocide events T men a which use Sunday as Day 1 Tue 15 03 31 lt S N T044T9999 System Stop Inhibitor Press UP DOWN until you see Day amp Time Stop Inhibitor Press ENTER amp DOWN to Stop Inhibitor Select Units Press ENTER to view or adjust current No Bioblock lt Inhibitor feed sequence Biofeed Blocks y No Bioblock is the Factory Default Biofeed Blocks stops the Inhibitor Pump whenever the Biofeed Blocks Biocide A or Biocide B pump is ON No Bioblock Sidebar Sites where Biocides are fed into the same sample feed piping as the Inhibitor may cause jelling or inhibitor degradation Blocking the inhibitor pump prevents product mixing in the sample feed piping AQCI_F_User 5 07 37 SlimFlex Water Treatment Controller System Select Units Press UP DOWN until you see Day amp Time Press ENTER amp DOWN to Select Units Press ENTER to view or adjust current Select Units Press EXIT to leave changed Or DOWN to change Key ENTER to Set to U S units degrees Fahrenheit amp Gallons or Set to Metric degree
19. ay in place of the mA level Press ENTER Select Span to view or adjust the Span Span sets the conductivity at 4mA amp at 20mA Press ENTER Trim Zero to calibrate the 4mA level Press ENTER Trim Span to calibrate the 20mA level AQCI F_User 5 07 View amp Adjust Span Press ENTER 4 20mA Output amp then DOWN to Select Span Press ENTER Displays current Span Press ENTER to adjust 4mA level or DOWN amp ENTER to adjust 20mA level Press RIGHT to place the underline under the digit you wish to adjust Press UP DOWN to adjust ENTER updates the Span EXIT leaves Span unchanged 4 20mA Output 15 4mA OR 4 20mA Output Disconnected m Select Span v Trim zero y Trim zero v Trim Span Trim Span lt Select Span y Select Span Trim Zero Y rv 4mA 100uS 20mA 5000us y 8 Edit amp ENTER 4ma 2500us gt ty then 4 4mA 2500uS 20mA 5000us y 52 SlimFlex Water Treatment Controller Appendix D CL 4 20mA Output Option D 3 CALIBRATE Calibration is seldom necessary amp is used to correct to offset errors The range of Zero amp Span adjustment is limited If you are not able to calibrate A Verify your milli ammeter B If Load Powered verify you have at least 15VDC available Press ENTER amp then DOWN at 4 20mA Output Press ENTER at Trim Zero to adjust the 4mA level Connect a DC milli ammeter in series with either of the current loo
20. bitor ppm errors result when meters are incorrectly configured A 6 CONTROLLER ENCLOSURE The optimum location for sensors controller chemical pumps and drums is as close together as access allows You ll be able to see where all the wires plugs and tubing goes watch pumps turn ON as you prime grab samples to calibrate sensors If you have the space sample piping on the left pumps amp drums on the right with the controller in the middle Wall mount the controller enclosure at eye height for a 5 to 5 6 person so that an operator does not have to reach over drums or pumps to use the controller key pad In areas with daily ambient temperatures over 100F 40C locate the controller out of direct sunlight or beneath a sunshade Internal temperatures over 115F 45C will degrade the controller display Do not punch conduit access holes in the top of the enclosure to avoid condensation damage to the controller electronics Plug the controller into an Always ON utility outlet Maximum controller current 120VAC is 5 Amps AQCI_F_User 5 07 46 SlimFlex Water Treatment Controller Appendix B SPECIFICATIONS Each controller includes an option card slot Auto re configuration occurs on installation of one of LAN 4 20mA Output OR Alarm Relay option card Analog Digital I O CTF Conductivity Temperature Flowswitch Sensor Water Meter Flowswitch inputs Relay Outputs 4 20 ma Output on conductivity CL op
21. cle or Time ON period AQCI_F_User 5 07 24 SlimFlex Water Treatment Controller Meter type selection amp installation detailed in Section 2 5 Check Flowswitch amp Install Water Meter Press UP DOWN until you see Make up Today amp press ENTER Press ENTER to view current type or to select Contact Head or Paddlewheel water meter Key DOWN amp ENTER for volume this year Key DOWN amp ENTER for days on line this year Key ENTER to reset Year to Date Days OnLine and Make up Today to zero Warning Cannot Undo Volume this year to date Displays in L iters if metric selected Days controller installed and operating this year Does not count the days that controller power is OFF Press EXIT to return to previous display 3 3 Make up Meter Make up Today lt lt 38200 G rv Meter Type Year to Date a Year to Date Days Online 4 Days Online Zero Meter 4 Zero Meter Meter Type 4 4 4 lt vy Year to Date 192 765200 G Days Online 193 215 Sidebar Year to Date volume divided by Days OnLine is average usage a figure of merit for a tower tonnage HELP 192 amp 193 and other help numbers display wherever more explanation is available at www aquatrac com AQCI_F_User 5 07 25 SlimFlex Water Treatment Controller For inhibitor control setpoints amp feed limit refer to Section 2 3 Inhibitor Feed Mode Setpoints Feed Limits Pre
22. duct Control y Percentage Time Meter Control y a then T Setpoints v Bleed Mode Sidebar Meter Control mode is used where sensor fouling from silica or organics continuously fouls the conductivity sensor Percentage Time mode is used short term to bleed while replacing a sensor or installing a water meter AQCI_F_User 5 07 23 SlimFlex Water Treatment Controller Current State of the Bleed Solenoid Control Press ENTER then UP Bleed Solenoid Press ENTER Current State If bleed ON displays TurnOFF setpoint 975 amp current conductivity 993 If bleed OFF displays TurnOFF setpoint 1000 amp current conductivity 993 If bleed ON displays Owes 101 sec 7122 amp ON ENTER Stop If bleed OFF displays turn on volume 10400 amp current volume 10 200 If bleed ON displays Owes 41 sec 123 amp ON ENTER Stop Seconds count down to zero amp bleed turns OFF If bleed OFF displays seconds to turn ON Seconds count down to zero amp bleed turns ON 3 2 Bleed Controls Continued Bleed Solenoid ON 564 2min 4a then T Current State d Setpoints 4 off 975 121 ON 993uS Mode Conductivity Control On 10400 G 122 OFF 10200 G Mode Water Meter Control On in 221sec 123 OFF Mode Time Control HELP 121 122 amp 123 and other help numbers display wherever more explanation is available at www aquatrac com ON ENTER Stop ends the current feed cy
23. e bypassed by jumpering the Flow terminal to ground The factory default water meter is a 100 Gallons contact contact head meter Press UP DOWN until you see Make up Today Displays make up volume from midnight Press ENTER twice to view or change meter type Key ENTER to view or change the gallons contact Metric users will view volumes in L iters amp L Contact Press UP DOWN to adjust and RIGHT to move the cursor Press EXIT to leave Gallons contact unchanged ENTER or EXIT displays the current meter type Flowswitch Flowswitch ON 780 6min Contact Head atermeter Make up Today 38200 G Meter Type Year to Date Contact Head Paddlewheel m G Contact 100 lt m Edit amp ENTER 50 gt ty then Contact Head lt 4 Padd1lewheel y 4 4 Sidebar 2 wire meters are usually Contact Head amp 3 wire meters are usually but not always Turbine or Paddlewheel AQCI_F_User 5 07 15 SlimFlex Water Treatment Controller 2 6 Check Flowswitch amp Install Water Meter continued Turbine Paddlewheel type water meters provide pulses per Gallon or Liter E ae The number of Pulses Unit Volume is the K factor Press UP DOWN until you see Make up Today Make up Today Displays make up volume from midnight 38200 G Meter Type v Press ENTER twice to view or change meter type Year to Date M Key DOWN to select Paddlewheel type meter Padd1ewheel v Contact Head y Key
24. ebleed before a biocide feed If there s a make up meter you d expect daily volume to increase with temperature High make up may indicate a stuck make up float No make up may indicate a valved off or faulted meter amp a cause of low run time on the inhibitor pump If the tower in on line verify that the Flowswitch shows ON If you check at the same time every day you would expect the bleed solenoid and inhibitor pumps ON times to vary only with temperature No Bleed solenoid time may indicate a fouled conductivity sensor Typical cooling towers bleed no more than 40 of the time and feed 5 10 of the time At noon you d expect to see 100 to 200 minutes of bleed amp 20 to 50 minutes in inhibitor pump time If this morning was a biocide feed day verify that the Biocide ON time shows the event time 41 SlimFlex Water Treatment Controller Activity Methodd _ Sample the tower water conductivity Weekly Verify Conductivity Verify controller matches the sample 25uS Conductivity sensors should not drift or require cleaning Scaling sensors may indicate a restricted bleed varying make up hardness incorrect setpoints or water treatment program Fouled sensors may indicate organic biofilms oils or silica Depending on the type of foulant a change in program or a switch in the bleed control method may be required Note Make up Volume Weekly water usage indicates both average tower load and maximu
25. ed or Lockout and Current State Water meter measured volume from midnight Press ENTER to Install Select type View year to date amp days on line Inhibitor Pump ON or OFF and ON time today Press ENTER for Inhibitor Setpoints Feed Mode Limit Timer Prime Pump and Current State AQCI F_User 5 07 Enclosure keypad Response UP or DOWN to the display you wish to view or EDIT amp press ENTER Thu 16 54 10 v S N T041T0486 Sf Alarms d none Sf Conductivity a 1425 us Sf Bleed Solenoid lt ON 25 6min Sf Make up Today 10450 G Sf Inhibitor Pump ON 9 2min SlimFlex Water Treatment Controller 2 1 Power up Display amp Keypad Flowswitch ON or OFF and ON time today Biocide A Pump ON or OFF and ON time today amp Cycle Day Press ENTER for Add Edit amp Delete Events Prebleed Lockout Prime Pump Cycle Days and Current State Biocide B Pump ON or OFF and ON time today amp Cycle Day Press ENTER for Add Edit amp Delete Events Prebleed Lockout Prime Pump Cycle Days and Current State If there is no option card installed you ll view the Day Date power up display LAN Browser LB Option Displays current IP see Appendix F LAN for User Manual 4 20mA Output CL Option Displays loop current see Appendix D 4 20mA OUTPUT for User Manual Alarm Relay AR Option Displays relay state see Appendix E ALARM RELAY for User Manual
26. enclosure cover do not remove All connections to building electrical systems must be installed by qualified personnel in accordance with local requirements A USER WARNING CAUTION Cooling Tower Water Treatment Controllers operate 120VAC bleed solenoids amp pumps and may pump hazardous corrosive and toxic chemicals Opening the controller enclosure exposes user to the risk of electrical shock at power line voltages Understand fully the implications of the control setpoints feed limits and alarms that you select Harm to personnel and damage to equipment may result from mis application Unplug or turn OFF the AC power to the controller if you have any concerns regarding safety or incorrect controller operation and notify supervisory staff YOUR CONTROLLER Controllers are supplied with default bleed solenoid and inhibitor feed setpoints that will not be applicable to your cooling tower Select control modes adjust setpoints and set biocide pump timing for your site and its water treatment program AQCI_F_User 5 07 3 SlimFlex Water Treatment Controller 1 INSTALLATION 1 1 Sample Piping Controller includes Conductivity Flowswitch sensor and PVC sensor entry fitting if you have not previously installed this type controller read Appendix A INSTALL for plumbing and wiring guidelines CAUTION Do not exceed 100psi on the sensor Always close upstream isolation valves first anei J 1 Cooling cee VEM
27. er Any ENTER key will prompt for the password displaying the default password 123 Use the UP DOWN amp RIGHT keys to enter a password then key ENTER A correct password displays Password OK Press any key to start operating the controller 3 7 Password Turning ON Password Thu 16 54 10 lt S N T04170486 Current State Adjust Clock y t Password ON Current State Password ON Enter Password 0000123 gt ty then 4 Advice 110 Password OK OR Advice 7111 Wrong Password Sidebar When you first select Password ON the default password is 123 Whenever you Enter Password the controller displays the default password If you have not changed the default password press ENTER to log in AQCI_F_User 5 07 39 SlimFlex Water Treatment Controller Press UP DOWN until you see Day amp Time Then press ENTER amp UP to view Password tools Password tools are available when Password is ON and you are logged in Press ENTER to view the tools Press ENTER to Log Out If you forget to Log Out the controller logs you out 30 minutes after the last key press Press DOWN amp then ENTER to view amp change the current password Press DOWN to Password OFF Pressing ENTER turns OFF PASSWORD Press RIGHT amp UP DOWN to change the current password ENTER changes the password Press EXIT to leave the password unchanged 3 7 Password continued Password lt C
28. es the make up line Verify that the difference between Make up ON amp OFF conductivities is greater than the difference between Setpoint TurnON amp TurnOFF conductivities Optimal control occurs when the bleed setpoint deadband TurnON TurnOFF in less than the make up float ON OFF conductivity difference Verify Water Meter If a make up water meter is installed verify that the controller measures an increase in make up volume while the make up float opens the make up line Is the expected volume measured for the size of the line and the float ON time If not the meter Volume Contact or K factor may have been set incorrectly or the water meter may have been cabled in a common conduit with AC power AQCI_F_User 5 07 43 SlimFlex Water Treatment Controller 4 1 Spare Parts 4 1 1 Line Fuse Protects Rating Type Manufacturer Vendor Controller Littlelfuse Type 217 250VAC Pumps and Bleed 5 Amps 115VAC Digikey Part F953 ND Solono 2 Amps 230VAC Digikey Part F950 ND 5mm x 20mm www digikey com 1 800 344 4539 Fast Acting 4 1 2 Controller Parts a er ae SFuse 120VAC Fuse Kit 10 x 5A Controller Fuses CTF Conductivity Temperature Flowswitch sensor CTF Entry Conductivity entry fitting for PVC NPT T fitting CO IN TB TB NS Spare Controller without sensors amp entry fittings R171232 Enclosure LAN cable entry weather seal R171230 Enclosure Power cable entry fit
29. icates a wiring or sensor problem Fault automatically removes conductivity temperature compensation Key EXIT twice to return to Day amp Time Press DOWN until you see Conductivity Sample the tower water amp verify that the displayed conductivity matches the measured conductivity Adjust the displayed conductivity by pressing ENTER twice Press UP DOWN to adjust and RIGHT to move the cursor Press EXIT to leave Conductivity unchanged You ll see this screen if the sensor is fouled miswired not immersed or you keyed incorrectly Press ENTER to ignore or EXIT to return to Factory Default 2141 indexes more explanation www aquatrac com Displays the current calibrated conductivity AQCI F_User 5 07 Verify Temperature Thu 16 54 10 a S N 1T041T0486 rv Current State lt Adjust Clock y m Temperature 101 87F y Calibrate Conductivity Conductivity H 1425 us m Calibrate Alarms m Edit amp ENTER 1883 us gt Ty then Advice 2141 Fails Calibrate rv Conductivity lt q 1883 us 4 14 SlimFlex Water Treatment Controller 2 5 Check Flowswitch amp Install Water Meter Open the downstream then the upstream sample line isolation valves immersing the conductivity sensor Press UP DOWN until you see Flowswitch Displays ON or OFF and the total minutes ON from midnight NOTE An OFF flowswitch stops all pumps and the bleed solenoid The flowswitch can b
30. ll plugs Press UP or DOWN to view Inhibitor Pump If ON verify that the green R2 light on the right side of the enclosure is ON Verify that the pump is stroking primed and feeding inhibitor If OFF press ENTER amp DOWN to Prime Pump Press ENTER and the Inhibitor Pump amp R2 light will turn ON for 5 minutes Bleed Solenoid Bleed Solenoid ON 68 2min OR Bleed Solenoid OFF 0 1min 4a then 4 Test Bleed End Prebleed y Inhibitor Pump Inhibitor Pump lt OFF 2 min then 4 Prime Pump lt Current State y m Inhibitor Pump lt ON 2 8min Sidebar The Bleed Solenoid and Pumps will not turn ON unless the Flowswitch is ON The R1 R2 R3 amp R4 lights will not turn ON unless the Flowswitch is ON Inhibitor pumps set to Bleed then Feed or Feed on Volume modes will not feed if the Bleed Solenoid is ON Feed starts as soon as Bleed ends AQCI_F_User 5 07 17 SlimFlex Water Treatment Controller 2 6 Plug in Pumps and Bleed Solenoid See Section 3 6 Biocide Events to set biotiming Plug the Biocide A pump into the middle of the 3 sidewall plugs Press UP or DOWN to view Biocide A If ON verify that the green R3 light on the right side on the enclosure is ON Verify that the pump is stroking primed and feeding biocide If OFF press ENTER amp DOWN to Prime Pump Press ENTER and the Biocide pump amp R3 light will turn ON for 5 minutes See Section 3 6 Biocide
31. m daily temperature High water usage may result from a change in controller setpoints or a leak or overflow in the cooling water system Verify Flowswitch Close the upstream sample line isolation valve then the downstream valve wait 15 seconds amp verify that the Flowswitch displays OFF Y Strainer Filter If the sample line has a Y strainer clean the filter to prevent an unplanned no flow outage Open the downstream then the upstream valve and verify that the Flowswitch displays ON System Check Visually inspect sample injection piping for leaking fittings feed injection points and sensor entries Sidebar Maintenance Guidelines for water treatment are set by the chemical treatment program vendor SS AQCI_F_User 5 07 42 SlimFlex Water Treatment Controller Activity Method _ Calibrate Conductivity Verify the conductivity tester annually with a Tester calibration solution using a solution that s as close as possible to the controller conductivity setpoints Replace outdated calibration solutions Yearly Observe a Bleed Observe as the tower cycles up and the conductivity Control Cycle exceeds the Turn ON setpoint Observe the unobstructed flow from the bleed line if its visible Note the conductivity when the float opens the make up line Verify that the bleed solenoid shuts off flow when the conductivity falls below the lower setpoint Note the conductivity when the float clos
32. ng The factory default feed limit 180 Minutes Day Press UP or DOWN until you see Inhibitor Pump amp press ENTER Press DOWN until Limit Timer Press ENTER to view or adjust Limit Timer Displays feed limit in minutes 2157 indexes more explanation www aquatrac com Press ENTER adjust Feed Limit Press UP DOWN to adjust and RIGHT to move the cursor Press EXIT to leave the Feed Limit unchanged Press ENTER displays current setpoint 210 minutes day continued Inhibitor Pump ON 48 1min Limit Timer v Prime Pump v m Day Limit 157 180 min day J ga Edit amp Enter 210 min day gt 3 then 4a Day Limit 157 210 min day lt HELP 157 and other help numbers display wherever more explanation is available at www aquatrac com If you are using water treatment controls for the first time the language and application of some of the controller options and settings requires more detail than a 2 line display can deliver AQCI_F_User 5 07 13 SlimFlex Water Treatment Controller 2 4 Verify Conductivity Sensor Open the downstream then the upstream sample line isolation valves immersing the conductivity sensor Press UP or DOWN until you see Day amp Time Press ENTER Press ENTER amp then press ENTER to view temperature at the conductivity sensor If the GREEN amp WHITE wires are connected to the controller terminals you ll view the current temperature Fault ind
33. nhibitor Pump for a user set of 5 minutes Feed on Volume measures a user set volume on the Make up water meter then turns ON the Pump for a user set time For example Measure 100 Gallons of make up amp feed for 8 seconds NOTE If you change the Feed Mode press UP to Setpoints amp ENTER to adjust for the new Feed Mode 3 4 Inhibitor Controls Continued Inhibitor Pump ON 48 1min then 4 Feed Mode lt Limit Timer y s Bleed amp Feed lt Bleed then Feed y Bleed then Feed Percentage Time y 4 Percentage Time lt Feed on Volume y 4 Feed on Volume Bleed amp Feed y 4a then T Setpoints v Feed Mode y Sidebar Bleed amp Feed is used on bleed limited towers where the bleed solenoid is ON for more than 50 of the time Bleed then Feed is used on towers which don t have a make up water meter typically reducing inhibitor usage over Bleed amp Feed since you are not pumping inhibitor with the Bleed ON Percentage Time is used to base feed during start up or when the tower is not loaded Feed on Volume is usually the most accurate amp reliable way to feed for towers which have a make up meter AQCI_F_User 5 07 27 SlimFlex Water Treatment Controller Current State of the Inhibitor Pump Control Press ENTER then UP Inhibitor Pump Current state display depends on selected Feed Mode Press ENTER Current State If Bleed ON displays Owes 233sec 1
34. options Press ENTER to view Current State Controller diagnostics Temperature at the conductivity sensor Press ENTER to adjust Displays Fault if not used to compensate conductivity Indicates wiring or sensor problem Power used for paddlewheel water meters and to power 4 20mA current loops Alarms on short circuits recovers when wiring corrected Internal power used or bleed solenoid and pump relays Always 11 7 to 12 3 Alarms on fault Conductivity sensor drive 70 80mV or 950 1050mV as sensor drive auto ranges Alarms and cannot measure conductivity if out of range H ORP sensor offset 2475 to 2525mV Alarms and cannot measure any sensors if out of range Internal diagnostic Checks that user setpoints being saved amp that the Clocks are operating 3 6 System Alarms continued Thu 16 54 10 lt S N 1T041T0486 Current State Adjust Clock y 4 Temperature 101 87F vy tb Ext Power 102 15 6 VDC 4 gt Relay Power 103 12 1 VDC y Drive 2107 73 3 mV y Ls Measure 2105 2502 3 mV State 2106 244 163 1 y Sidebar System Diagnostics verifies the controller operation amp alerts you to wiring problems with conductivity temperature paddlewheel water meters and controller powered 4 20mA current loops AQCI_F_User 5 07 36 SlimFlex Water Treatment Controller 3 6 System Alarms continued System Adjust Clock Press UP DOWN until you see D
35. p wires Press UP or DOWN until you read 4mA on the milli ammeter Press ENTER to view the output current and verify that the milli ammeter reads the same current Press ENTER amp then DOWN at 4 20mA Output Press ENTER at Trim Span to adjust the 20mA level Connect a DC milli ammeter in series with either of the current loop wires Press UP or DOWN until you read 20mA on the milli ammeter Press ENTER to view the output current and verify that the milli ammeter reads the same current AQCI F_User 5 07 4 20mA Output 15 4mA Hag Trim Ze Trim Sp Trim Ze now 4mA ro an ea ro amp 6 lt v 201 t 4 20mA Output 15 2mA 4 20mA Output lt 15 4mA Qag Trim Sp an Select Span Trim Span now 20mA 91 4 202 4 20mA Output 15 2mA 53 SlimFlex Water Treatment Controller Appendix E AR Alarm Relay Option E 1 WIRING ALARM CONTACTS Alarm contacts rated 500mA at 24VDC Requires optional Alarm Relay Card Alarm dry contacts OPEN on alarm loss of controller power amp alarm Alarm wiring disconnect Relay Card Rala SD S Saas Alarm Building Automation System Alarm Input Alarm Wire alarm contacts AWG22 to AWG18 2 conductor E 2 ALARM DISPLAYS Press UP DOWN until you see Alarms If the Alarm Relay Card is installed you ll see one of the following displays If Alarms amp none then the alarm contacts
36. plays ON or OFF and ON time from midnight E 38 0min Day in selected Cycle 1 28 or 1 7 or 1 4 Add Events v Press ENTER to Add a new biocide event Edit 4 Events y Press ENTER view or edit current events Edit 4 Events Displays of events 1 28 Delete Events y Edit not displayed if no events set 43 Press ENTER to delete all events Delete Events Delete not displayed if no events set Prebleed v Press ENTER to view or edit Prebleed Time amp Conductivity Prebleed PT Prebleed runs before each event Lockout Factory default is 0 minutes Prebleed Press ENTER to view or edit Bleed Lockout Time Lockout Lockout starts when each event starts Prime Pump y Factory default is 0 minutes Lockout rt Press ENTER to turn ON Biocide Pump for 5 minutes Prime Pump Alarms Clear Alarms ends Prime Pump Cycle Days y Prebleed amp Lockout do not run when Prime Pump runs 4 Press enter to view or edit Cycle Days Cycle Days bA Events repeat every 28 days 7days or 1 day Current State Factory default is 28 Days 4 TEE Current State lt H Press ENTER Current State to view Biocide status Add Events AQCI_F_User 5 07 29 SlimFlex Water Treatment Controller Biocide Add Events Press UP DOWN until you see Biocide A or Biocide B Press ENTER Press ENTER to Add an Event Press RIGHT to move the underline to the value you wish to change amp then UP DOWN to adjust Day
37. roller ON OFF setpoints AQCI_F_User 5 07 11 SlimFlex Water Treatment Controller 2 3 Inhibitor Feed Mode Setpoints Feed Limits The factory default is Bleed amp Feed Refer to 3 6 Inhibitor Controls to select one of four Feed Modes Press UP or DOWN until you see Inhibitor Pump amp press ENTER Press ENTER to view or adjust Setpoints Displays current feed setpoints Inhibitor will be on for 32 of the time that the Bleed Solenoid is ON 96 seconds in every 5 minutes Press ENTER adjust of Bleed Time Press UP DOWN to adjust and RIGHT to move the cursor Press EXIT to leave the Setpoint unchanged Press ENTER displays current setpoint 90 seconds in every 5 minutes Inhibitor Pump lt ON 48 1min Setpoints Feed Mode rv Bleed amp Feed 32 each 5min oh Edit amp Enter 30 each 5min gt 22 5 then 4 Bleed amp Feed 30 each 5min vy Sidebar Bleed amp Feed is the most common but usually not the best way to feed inhibitor If you are not bleed limited use Bleed then Feed mode to reduce inhibitor use If you are using a make up water meter to control inhibitor feed the controller will delay feeding when the bleed valve is ON to avoid pumping inhibitor down the drain AQCI_F_User 5 07 12 SlimFlex Water Treatment Controller 2 3 Inhibitor Feed Mode Setpoints Feed Limits The Inhibitor feed limit timer turns OFF the inhibitor pump to prevent overfeedi
38. s 1 8 15 amp 22 are Sundays on 28 Day Cycles Time is 24 hour format 14 00 is 2 00PM Press ENTER after selecting your event Key UP DOWN to select how often you wish to run the event 28 Day Cycle offers Once Weekly or Alternate Weeks 7 Day Cycle offers Once Daily or Alternate Days 1 Day Cycle offers Once Hourly or Alternate Hours Press ENTER to select frequency Displays revised total events We started with 4 events added a Weekly event amp now have 8 events You can set up to 28 Biocide events This example turns ON the pump for 35 minutes every Tuesday at 7 15 AM AQCI F_User 5 07 3 5 Biocide Events Biocide OFF Add Eve Edit 4 continued Dayl2 20 0min ga nts Pe Events 4 Day 3 7 15 gt on for One Eve Altern Altern weekly 35 min 4 ty then ga nt d weeks y weeks y weekly One Eve Advice Now 8 Biocide OFF nt y m 175 Events lt rv Day12 20 0min 30 SlimFlex Water Treatment Controller Biocide Edit Events Press UP DOWN until you see Biocide A or Biocide B Press ENTER amp DOWN to Edit Events Press ENTER to view and edit current events Press UP DOWN to select an event for editing In this example select 1 of 8 events Press ENTER on the selected event Press RIGHT to place the underline where you wish to adjust Press UP DOWN to adjust This example changes the event
39. s Centigrade amp Liters System Adjust Temperature Press UP DOWN until you see Day amp Time Press ENTER twice to adjust Temperature Press UP DOWN to EDIT or RIGHT to move the underline Press EXIT to leave changed or ENTER to change the temperature A Temperature displaying Fault cannot be adjusted Temperature cannot be adjusted more than 18F or 10C from the factory default Press EXIT on this message to return to Temperature factory default setting 3 6 System Alarms continued Thu 16 54 10 lt S N T041T0486 then 4 Select Units gt a Current State y 4 Deg F Gallons Deg C Liters y 3 Deg C Liters Deg F Gallons Temperature 101 87F y qa Edit amp ENTER 092F gt ty then 4 Advice 108 Fails Calibrate Sidebar Select Units changes make up meter units year to date units and volume per contact units Temperature compensation of conductivity switches automatically between C amp F as does the System Current State display of temperature NOTE If you adjust the Temperature you ll need to re calibrate conductivity AQCI_F_User 5 07 38 SlimFlex Water Treatment Controller Password is turned OFF in new controllers Press UP DOWN until you see Day amp Time Press ENTER amp UP to select Password ON If you press ENTER you ll be prompted for a password then next time you press ENTER Press UP or DOWN to view the current state of the controll
40. same for both Biocide A and Biocide B Each Biocide may have its own event schedule Prebleed Lockout settings and Cycle days HELP 170 and other help numbers display wherever more explanation is available at www aquatrac com AQCI_F_User 5 07 34 SlimFlex Water Treatment Controller 3 6 System Alarms System Menu Options Thu 16 54 10 lt S N 1T041T0486 rv Press ENTER to view Current State Current State lt Controller diagnostics Adjust Clock y 4 Adjust Clock Press ENTER to view and adjust clock Stop Inhibitor 4 Press ENTER to stop inhibitor feed Stop Inhibitor during either Biocide feed event Select Units y amp Select Units Press UP DOWN until you see Day amp Time Press ENTER view System options Press ENTER to view or change US or Metric units Password ON Press ENTER to turn ON the user password Password ON pi ENTER f Is If PASSWORD on press or password tools Current State Alarms Press UP DOWN until you see Alarms Alarms lt The first alarm to trip will display or none if no alarms none Press ENTER to Clear Alarms Clear Alanis lt Clearing alarms sets all pump amp solenoid owed times to zero Sensor Alarms Out of Calibration and System Alarms auto clear when the fault is corrected AQCI_F_User 5 07 35 SlimFlex Water Treatment Controller System Current State Press UP DOWN until you see Day amp Time Press ENTER view System
41. ss UP DOWN until you see Inhibitor Pump Displays ON or OFF and ON time from midnight Press ENTER to view or adjust Setpoints Setpoints vary with selected Feed Mode Press ENTER view current mode or to select from Bleed amp Feed Bleed then Feed Percentage Time OR Feed on Volume Press ENTER to set maximum feed minutes day Press ENTER Prime Pump to turn ON Inhibitor Pump for 5 minutes Alarms Clear Alarms ends Priming Press ENTER Current State to view control status Display varies with Feed Mode 3 4 Inhibitor Controls Inhibitor Pump ON 48 1min Setpoints Feed Mode Feed Mode Limit Timer Limit Timer Prime Pump amp Prime Pump Current State 8 Current State Setpoints Sidebar Prime Pump will not turn ON the Pump if the flowswitch is OFF lt lt q Inhibitor pumps set to Bleed then Feed or Feed on Volume modes will not feed if the Bleed Solenoid is ON Feed starts as soon as Bleed ends AQCI_F_User 5 07 26 SlimFlex Water Treatment Controller Inhibitor Pump Feed Modes Press ENTER then DOWN Inhibitor Pump Press ENTER amp DOWN Feed Mode to view current mode and to select a new mode Inhibitor pump turns ON when Bleed solenoid ON Pump switches ON amp OFF during bleed at a user set of 5 minutes Inhibitor pump turns ON after Bleed solenoid turns OFF Pump ON for a user set of Bleed time Percentage Time turns ON the I
42. start time from 6 00AM to 6 45AM Press ENTER to end or EXIT to make no changes Setting a run time to 0 removes the event 3 5 Biocide Events continued Biocide Dayl2 OFF 20 0min then 4 Edit 8 Events Delete Events y a Day 2 Q 14 30 on for 10 min ts Day 25 6 00 on for 25 min 4 Day 25 Q 6 45 on for 25 min 3 then 4a Edit 8 Events l Delete Events Sidebar Events are re sequenced by Day amp Time whenever you Edit Events or Add Events Keying UP in Edit Events displays the event sequence from Day 1 to Day 28 Day 1 is always Sunday for 28 and 7 Day Cycles The range of Day numbers changes as the Cycle Days changes from 1 28 1 7 or 1 If you change Cycle Days all events are deleted AQCI_F_User 5 07 31 SlimFlex Water Treatment Controller Biocide Prebleed Press UP DOWN until you see Biocide A or Biocide B Press ENTER amp DOWN to Prebleed Press ENTER to view and edit Prebleed This example turns ON the bleed for 20 minutes before each biocide event Prebleed ends if the tower conductivity falls below 650uS Press ENTER to adjust time or DOWN amp ENTER to adjust conductivity Press RIGHT to place the underline where you wish to adjust Press UP DOWN to adjust or EXIT to make no changes This example changes the Prebleed conductivity from 650uS to 600uS 3 5 Biocide Events Continued Biocide Dayl2
43. t Bleed J for 5 minutes Alarms Clear Alarms ends the Test End Prebleed y Press ENTER End Prebleed to a start Biocide Event End Prebleed v on a prebleeding Bleed Solenoid End Lockout 4 Press ENTER End Lockout to return to normal Bleed Solenoid control End Lockout lt Current State y Press ENTER Current State to view control status S Setpoints v Sidebar Test Bleed will not turn ON the solenoid if the flowswitch is OFF End Prebleed amp End Lockout have no effect if the Bleed Solenoid is not Prebleeding or Locked Out AQCI_F_User 5 07 22 SlimFlex Water Treatment Controller 3 2 Bleed Controls Continued Bleed Solenoid Bleed Modes Press ENTER then DOWN Bleed Solenoid Press ENTER Bleed Mode to view current mode and to select a new mode Most cooling towers operate with Conductivity Control Bleed solenoid opens at TurnON conductivity setpoint and closes at TurnOFF setpoint Meter Control Measures a user set volume on the Make up water meter then turns ON the bleed solenoid for a user set time For example Measure 100 Gallons of make up amp bleed for 10 seconds Percentage Time turns ON the bleed solenoid for a user set of 5 minutes NOTE If you change the Bleed Mode press UP to Setpoints amp ENTER to adjust for the new Bleed Mode Bleed Solenoid ON 564 2min 4t then 4 Bleed Mode Test Bleed y m Conduct Control Meter Control y D Meter Control Con
44. then the upstream valve Verify that the sensor entry seals leak and drip free Controller Conductivity Temperature amp Flowswitch ee Sensor B Feed the sensor cable through the entry seal amp tighten Controllers are supplied with the seal the Sensor prewired AQCI_F_User 5 07 6 SlimFlex Water Treatment Controller 1 4 Water Meter Refer to manufacturer s recommendations on meter orientation and upstream and downstream piping Extend meter cables with AWG22 2 or 3 conductor SEAS SIR OME BR AEG ee eee You ll need to know the gallons contact Red to set up the inhibitor feed rate Black Remove the seal insert Contact Head Feed the meter through the Water Meter seal amp re insert into the black cable entry fitting BEAR E SEARS Be ee a one ee ae en QSQOOO ADS OSDA You ll need to _ know the meter K Factor Wiring color differs to set up the a with meter inhibitor feed rate Oe manufacturer Black Red Seametrics type Turbine Water Meters Do not install meter cabling in the same conduit at AC power wiring AQCI_F_User 5 07 SlimFlex Water Treatment Controller 1 5 Pumps amp Bleed Solenoid The controller supplies the AC power for the pumps and solenoid Controller relays switch power to pumps and the solenoid fused at a maximum of 5 Amps WARNING Do not plug in BIOCIDE B controller pumps PUMP or solenoid until you are ready to setup BIOCID
45. ting PG11 R717231 Enclosure Sensor cable entry fitting PG9 On Line Help Browse to www Aquatrac com help with the 3 digit HELP from the controller LCD display LCD display HELP numbers are preceded by Users Manual Download AQCI_F_User from www Aquatrac com Manual Version Detail 05 05 Initial release with integrated Conductivity Temperature Flowswitch sensor 12 05 Revised for CTF sensor 5 07 Adds CSA required descriptors amp installation advisory AQCI_F_User 5 07 44 SlimFlex Water Treatment Controller Appendix A INSTALL A 1 PLUMBING Typical sample chemical injection piping operates at 40 60psi and is plumbed in SCH80 PVC Sample piping is usually fed from the discharge side of the re circulation pump returning to either the suction side of the pump or to the tower basin Ensure that the sample piping flow exceeds 1 GPM and that the sample stream represents the tower water Avoid sample piping which drains whenever the tower is off line Solids will accumulate on the sensors requiring re calibration and cleaning A backcheck may be required at some sites to prevent reverse flow through the injection sensor piping when the recirculation pump is OFF Y strainers in the sample loop are not recommended unless the debris will mechanically damage the conductivity sensor or flowswitch Strainer filters are usually the first location to plug turning OFF pumps and the bleed solenoid on no flow NE
46. tional card Alarm Relay AR optional card Communications User Interface Keypad LCD Browser LB optional card AQCI_F_User 5 07 Rating Detail 1 Temperature Compensated conductivity sensor Displays 1uS resolution Rated 100psi Flowswitch trips 1GPM within 30 seconds from 32 125F 0 50C Flowswitch Dry Contacts 250mS response Water Meter 400 Hz max 0 5mA 5VDC measurement current 4 SPST 1 DC isolated loop powered Nominal 0 1 resolution Auto polarity correction field wiring Dry contact set Rated 500mA 24VDC Rating Detail 5 Key Tactile feedback UP DOWN ENTER EXIT RIGHT 2 Line x 16 Character Backlit 10BaseT Ethernet RJ45 Jack Full command amp control via browser XML real time controller data Notes Autoranging from 100uS to 10000uS CTF integral flowswitches typically trip within 10 seconds of flow ON OFF Contact head meter software debounced Turbine Paddle wheel rating Seametrics max pulse rate Relays rated 10A 120VAC Controller fused 5 Amps Alarm on open loop Auto configure on Driver installation and removal Software calibration 4 amp 20mA Closed in the non alarmed state Contact set opens on alarm or loss of controller power Notes Scan rate 100mS nominal User adjustable LCD contrast Static IP DHCP Optional Fixed MAC 47 SlimFlex Water Treatment Controller Controls Rating
47. ulation line using a quill AQCI_F_User 5 07 45 SlimFlex Water Treatment Controller A 4 BLEED LOCATION The optimum bleed solenoid location is after the condenser heat exchanger Never install the bleed on the sample line upstream of the sensors and flowswitch If you are installing a bleed solenoid on the tower sump ensure that the head or pressure at the bleed solenoid is sufficient to operate the solenoid Verify that the solenoid is sized for the maximum tower load at the target cycles on the hottest day of summer If the bleed is on for more than 50 of the time inhibitor feed options will be limited A 5 MAKE UP METER Ensure that the meter manufacturer s recommendations for orientation and upstream and downstream piping are observed Orientation may be limited for contact head meters while straight upstream and downstream piping is required to prevent errors in turbine paddlewheel meters Contact head meters have a Gallon Contact or Liter Contact rating In some meters this value can be altered by moving magnets or gears Typical meters are rated 10 50 amp 100 Gallons contact Turbine Paddlewheel meters have a K Factor which is the number of pulses Gallon or pulses Liter Some manufacturers have both nominal values listed by meter size and calibration values on the meter body Take the time to get the meter volume contact or K factor correct since most meters are used to control inhibitor feed and inhi
48. urrent State rv Log Out v Edit Password y 4 Edit Password Password OFF y S Password OFF Log Out Y Edit Password Edit amp ENTER 0094502 gt Ty then 4 Log Out lt H Edit Password y Sidebar If your controller is password protected Select Edit Password and change the password from the 123 factory default Passwords may be from 1 to 6 numbers Leading zeros are ignored If you forget your password you ll require the controller serial number to get a Reset Password The controller password is 123 after you key in the Reset Password AQCI_F_User 5 07 40 SlimFlex Water Treatment Controller 4 MAINTENANCE 4 1 Guidelines Modify the maintenance guidelines to reflect both the site priorities and the site water treatment program Guidelines are for controller function only Water treatment program maintenance requirements are provided by the site water treatment provider Check for Alarms Scan Sensors Make up Meter amp Flowswitch Note ON times for Solenoids amp Pumps AQCI_F_User 5 07 Identify and correct the cause of alarms on sensors and pumps Make up water or Pump rate amp stroke may have changed Higher temperatures may be extending inhibitor ON times Debris may have partially blocked the bleed line A high conductivity may indicate a blocked or failed bleed solenoid A low conductivity may indicate an overflowing tower basin or a scheduled Pr
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