Acu-Trol AT-8 02-26-09.indd
Contents
1. through the strain relief and connect to the controller One wire either one to connector 6 ground and one wire to 6 EIL J olo o e Connect the chemical sensors to the controller OO connectors found on the right side 228 of the enclosure The sensor wires occ aa connections are labeled and color coded O i ese J for easy installation Turn the main pump on and open the valves to Sao test for leaks and the free movement of magnet Magnet must be all the way up in order to close the flow switch 1 4 GPM will push the magnet all the way up CAUTION The Flow Switch is a dry contact only No current Use with any other brand flow switch VOIDS WARRANTY 2009 ATSM anual 3 4 AT 8 Installation 3 4 1 Mounting Location Select a location for mounting the AT 8 meeting the following conditions 1 Atleast ten 10 feet from open water 2 Close enough for the supplied power cord to reach the supply voltage The controller will not operate properly without a solid earth ground connection 3 Supply power must be routed to the AT 8 in accordance to applicable codes in the area the supplied power cord is not code in some areas 4 The install2. 34 37 CHAPTER 6 39 CHAPTER7 TROUBLESHOOTING 40 CHAPTER 8 MENU REES iniisa 41 3 2009 ATSM anual WARRANTY Pentair Acu Trol warrants the AT 8 to be free from defects in manufacturing and workmanship for a period of one 1 YEAR from the date of manufacture for the electronic module All commercial pH and ORP sensors have a warranty of two 2 years Flow cells have a warranty of one 1 year Other equipment is covered by manufacturer s own warranty During the warranty period any defective parts will be repaired or replaced when necessary by Acu Trol This warranty does not cover a the buyers labor or any servicing fees related to replacement of the Product b damage resulting from the use of this Product in other than its normal manner c damage from misuse accident or neglect d damage from improper testing operation or installa tion e not operating the Product on a dedicated separate circuit or under conditions other than those recommended or at voltages or amperages other than the voltage or amperage indicated on the Product and f acts of Mother Nature i e lightning electrical storms floods etc In addition attempting to service or modify the Product will render this Warranty Void D
3. the temperature sensor through the small strain relief on the bottom of the controller Connect the temperature wires to TB5 located on the circuit board Place one wire in the slot and one wire in the T slot e Polarity does not matter on these connections TB5 6 T T F ooo lt gt OOOO 15 2009 anual 3 5 1 10 Bus Connection Runthe Ethernet wire through the large strain reliefs on the bottom of the AT 8 The strain relief must be unassembled before inserting the bus wire Connect the Ethernet wire to either of the connectors 10 jii Ol e ug L3 16 lo3 9 2 COs 3 6 Multiple AT 8 Setup Mount and hookup all electrical connections as stated above The 8 will be daisy chained together using the Ethernet wires Run another Ethernet wire through the large strain relief on the bottom of the controller Connect to the remaining Ethernet connector AT 8 must either be the first or last unit in the bus 3 6 1 Address Setup To set up multiple AT 8 s each unit
4. If this is not successful swirl the tip of the sensor in a 5 parts water 1 part muriatic acid solution for 10 20 seconds e Rinse again and reinstall WARNING Do not rub hard on the glass element in the sensor or use sand paper or other polishing material to clean Handle electrode carefully Sensors contain external and internal glass elements Do not drop or otherwise subject the sensor to vibration physical impact or freezing conditions Any type of breakage is not covered under warranty 2009 8 Manual 16 CHAPTER 5 OPERATION AND PROGRAMMING Overview The AT 8 system controller is designed to accommodate any size water system Once the controller is installed it is ready to be programmed The system comes from the factory with default programming and should only require a small amount of adjustments to work with the size of body of water and chemical feeder of your system 51 Reading Screen The reading screen is the normally visible or default screen From this screen you can see the system number sensor readings alarms indication of feed indication of flow and allow manual 1 7 0 750 78 19 2009 anual 51 1 System Number f you have multiple bodies of water being monitored each unit will have it s information displayed for 5 seconds If you have 4 bodies of water then every 20seconds all bodies of water will have been viewed once The number of the currently displayed
5. 0100 0001 SOFTWARE VERSION 1 6 ENTER PASSWORD ENTER PASSWORD 2009 8 40 8 AT 8S Menu pH Programming 1 pH ORP TMP F 2 pH ORP TMP F A 75700 35 X 75 700 35 X 10 MAY 06 14 48 PROGRAM SUBMENU SELECT SYSTEM SELECT SYSTEM 1 SELECT CONTROL 1 CONTROL pH Reading CAL 1 Reading CAL 1 pH 2 5 pH SENSOR pHFEEDSAFETY 1 FEED SAFETY 1 OA Offset MINUTES 30 MINUTES 40 pH LOW ALARM 1 pH LOW ALARM 1 pH SETPOINT 1 pH SETPOINT 1 Select pH 7 2 pH ZA 4 pH 76 pH 7 5 ACID pH HIGH ALARM 1 pH ACID BASE 1 pH ACID BASE 1 pH HIGH ALARM 1 elect CHEMICAL ACID pH 79 40 40 CHEMICAL ACID pH 7 8 pH FEED CYCLE 1 pH FEED CYCLE 1 pH PROP FEED 1 pH PROP FEED 1 4 MINUTES 2 00 PROP FEED OFF 4 MINUTES 3 00 PROP FEED ON pH FEED LIMIT 1 SERIAL NUMBER 1 pH FEED LIMIT 1 4 0200 0002 SECONDS 15 SECONDS 16 pH DELAY 1 DELAY 1 SWVERSION 1 1 2 40 MINUTES 1 MINUTES 2 41 2009 anual 8 and 85 Menu Tree pH Programming 1 pH ORP TMP F 2 pH ORP TMP F A 75700 35 X A 75700 35 X 10 MAY 06 14 48 PROGRAM SUBMENU SELECT SYSTEM SELECT CONTROL 1 SELECT CONTROL 1 CONTROL pH CONTROL ORP Reading CAL 1 Reading CAL 1 ORP 690 ORP 700 ORP SENSOR 0 0 ORPSETPOINT 1
6. 4 ORP FEED CYCLE 1 ORP FEED CYCLE 1 4 MINUTES 2 00 MINUTES 3 00 ORP FEED LIMIT 1 FEED LIMIT 1 SECONDS 15 SECONDS 16 O ORP FEED SAFETY 1 ORP FEED SAFETY 40 gt MINUTES 30 MINUTES 40 ORP LOW ALARM 1 ORP LOW ALARM 1 ORP 650 4 ORP 660 2009 8 42 ORP HIGHALARM 1 780 ORP PROP FEED 1 PROP FEED SERIAL NUMBER 1 0200 0002 SWVERSION 1 12 AT 8 and AT 8S Menu Tree Temperature Programming 1 pH ORP TMP F 2 pH ORP TMP F 75 700 35 X 7 5 700 35 X 10 MAY 06 14 48 PROGRAM SUBMENU SELECT SYSTEM A SELECT SYSTEM 1 SELECT CONTROL 1 SELECT CONTROL 1 SELECT CONTROL 1 Select CONTROL pH CONTROL ORP CONTROL TEMP Reading CAL 1 Reading CAL 1 TEMP 18 TEMP 20 TEMP SENSOR Offset 0 0 TEMP UNITS CELSIUS TEMP LOW ALARM 1 TEMP 15 TEMP HIGH ALARM 1 EMP HIGH ALARM 1 TEMP 40 EMP 40 SERIAL NUMBER 1 0200 0002 SW VERSION 1 1 2 43 2009 anual AT 8 AT 8S Menu Data Log Programming 10 MAY 06 14 48 1 pH ORP TMP F 2 pH ORP TMP F 7 5 700 35 X 7 5 700 35 PROGRAM SUBMENU 10 MAY 06 DATA SUBMENU DATA LOGGING DATA LOGGING RATE 5 MIN RATE 6 MIN CURRENT LOG SIZE 8419 OF 2048 051006 14 43 700 7 5 18 RESET LOG RESET LOG NO 40 YES 2009 8 Manual 44
7. flex fittings then route inlet and exit lines 2009 AT8 Manual 10 WARNING Securely fasten all electrical water and chemical lines Locate chemical feed pumps and chemical storage tanks in a safe and secure area WARNING Check filter daily for debris buildup and clean as needed To clean filter turn the flow cell inlet and exit valves OFF remove filter cover and filter being careful not to loose seal Clean stainless steel filter and return to housing being careful to seat it properly The filter screen can be easily damaged if seated improperly when the cap is installed WARNING Maximum operating pressure is 25lbs Extreme pressure vairances may affect sensor readings WARNING Avoid installing the outlet before the main pump as a vacuum may damabe chemical sensors WARNING Inject chemicals only on the outlet side of the AK1200 flow cell WARNING Do not overtighten fitting on flow cell top 3 3 6 Sensor Installation Keep pH and ORP sensors wet at all times install the sensors into the flow cell Hand tighten only and save caps for future use fill flow cell with water The sensors have O Rings and don t require Teflon tape Route a 10K temperature sensor wires into the controller through the strain relief and connect to the con troller One wire either one to connector TB5 T and the other wire to TB5 T Route the flow switch wires into the controller
8. regulations please check with your local health department 2009 8 Manual 6 Inputs Display Range Calibration Range Output Relays Power Input Control Safety CHAPTER 2 AT 8 SPECIFICATION pH TEMPERATURE 10K probe ORP FLOW switch only pH 0 1 9 9 0 1 ORP 450 999mV 2 15 150 1 FLOW OFF pH 0 9 ORP 125 TEMP 50 pH 110 220 VAC 6A ORP 110 220 VAC 6A DRY 24VAC 0 5A 120 VAC 10A 50 60 Hz ORP pH Feed Auto Proportional Manual pH Selection Acid Base pH Delay For suction side sanitizer feeders Expansion Up to 8 bodies of water Data Log 2048 lines of data at timed intervals Feed Safety Prevents overfeed Alarms High Low Password 6 digit password ORP Lockout If pH greater than No Flow Lockout No feed with loss of flow Tg 200 ATSM anual 3 INSTALLATION 3 1 Installation Preparation Receipt Inspection Upon receiving the controller from shipping check the carton carefully Report any damaged items directly to the shipping company Examine the shipping list and verify that all items are present Please contact your local Acu Trol dealer if any items are missing or have been damaged Use care when unpacking equipment to avoid damage or loss of small parts 3 2 Installation Summary The following steps are required to completely install an AT 8 1 Identify new and existing equipment to be connected 2 Dec
9. the controller to be plugged in to an existing outlet or wired directly in to the electrical system 1 4 IMPORTANCE OF WATER MAINTENANCE A chemical controller is designed to maintain specific levels of sanitizing and balancing chemicals Sanitizing chemi cals help to control the growth of bacteria and other organisms in the water of a pool or spa Balancing chemicals keeps a pool or spa at a certain pH level preventing the water from becoming acidic and corroding the pool and its equipment or becoming basic and causing buildup on the equipment Water maintenance is an important part of operating a pool and or spa Pool operators should be trained in water maintenance by an authority recommended by their local health department Water maintenance requirements are generally determined by the county or state and can vary widely However most requirements fall within the following range recommended by the National Swimming Pool Foundation Filtration Minimum turnover rate of six hours for a pool and 30 minutes for a spa Water Balance pH 7 2 7 6 alkalinity 80 120 PPM Oxidation Reduction Potential ORP reading of 650 mV 750 mV Total Dissolved Solids Should not exceed 2000 PPM excluding salt pools This information is meant to provide pool operators with a basic idea of the range of water maintenance requirements and the importance of water maintenance To ensure that your facility is in compliance with all local
10. tubing Remove flow cell from shipping carton and make sure all parts are included with AK1200 flow cell e 1 AK1200Lid e 1 AK1200 Jar with O Ring 1 Flow switch magnet 3 14 Valves 1 Sample barb fitting 4 74 NPT by 77 flex fittings e 1 Filter assembly with O Ring 2 W plugs e 1 Flow switch with O Ring 2 e 1 54 Close Nipple and 10 wire lengths available 1 Teflon Tape e 2 Mounting screws e 1 Pressure gauge Note that 72 flexible tubing is not included and is supplied by the installer or may be ordered from Acu Trol Use of Pressure Gauge is Optional 3 3 2 Flow Cell Assembly WARNING DO NOT OVER TIGHTEN FITTINGS ON FLOW CELL TOP AS THIS MAY BREAK OR CRACK FLOW CELL TOP 1 Wrap all four flex fittings with Teflon tape Install two flex fittings into two ball valves 2 Wrap barb fitting with Teflon tape Install barb into remaining ball valve 3 Wrap both ends of the close nipple with Teflon tape Install into the filter assembly using either end OK Hand tighten only 4 Install one ball valve into the filter 5 Install the filter and remaining ball valves as shown in the figure 6 Verify that the flow switch magnet is in the flow cell tube with the large or hat end pointing down NOTE Wrap fittings only twice around with Teflon tape 3 3 3 Selecting the Flow Cell Mounting Location Mount the flow cell in an area away from direct sunlight Mount the flow cell away from electrica
11. unit is in the upper left corner 1 pH ORP TMP 7 0 750 78 X Pressing the SELECT button will lock onto the currently displayed system for 1 minute Pressing SELECT again will select the next system for viewing After 1 minute has elapsed with no presses on the SELECT key the 5 second rotation will resume 5 1 2 Sensor Readings pHis displayed from 0 1 to 9 9 e ORP is displayed from 450 to 999mV Temperature is displayed for 15 to 150 and can have units of Celsius or Fahrenheit 5 1 3 Alarms reading flashes if reading is outside of pH alarm set points ORP reading flashes if reading is outside of ORP alarm set points TEMPURATURE reading flashes if reading is outside of TEMP alarm 5 1 4 Indication of Feed pH flashes during feed of pH flashes during feed of sanitizer 2009 8 Manual 20 5 1 5 Flow An X is displayed under the F on the right side when there is flow NOTE if there is no X no flow then the feed relays are locked out 5 1 6 Indication of Safety Lockout Ifthe pH reading has an asterisk in front of it then pH is in safety lockout mode See pH FEED SAFETY section for information Ifthe ORP reading has an asterisk in front of it then is in safety lockout mode See ORP FEED SAFETY section for information 5 1 7 Press hold the DOWN arrow to manually feed pH for the programm
12. will stay off until the 24 hour period has passed If you press the up arrow and then the down arrow the overfeed will be reset and the asterisk will be removed 5 4 7 ORP Off if pH ORP OFF IF pH 1 Above 7 5 e ORP is affected by the pH of the water This allows the controller to disable the ORP feed if the pH of the water hits or goes above this pH value e Press SELECT to save and go on press MENU to not save and return to reading screen 5 4 8 ORP Low Alarm ORPLOW ALARM 1 600 Usethe up and down arrows to adjust the alarm for the low end of your desired pH range This alarm will turn on the alarm light and make the ORP reading flash Alarm will clear within a minute of reading going back in range e Press SELECT to save and go on or press MENU to not save and return to reading 5 4 9 ORP High Alarm ORP HIGH ALARM 1 ORP 850 e Use the up and down arrows to adjust the alarm for the high end of your desired pH range This alarm will turn on the alarm light and make the ORP reading flash Alarm will clear within a minute of reading going back in range Press SELECT to save and go on or 31 2009 anual 5 4 10 ORP Prop Feed ORP PROP FEED 1 PROP FEED ON e Use the up and down button to turn this feature ON or OFF Turning the proportional feed on will proportionately feed the pH chemical within a 30 ORP range Press SELECT to save and go on or press MENU to not save an
13. 110 VAC Before applying power to unit make sure unit is still set for 110vac Inspect JP2 located between fuses and transformer and ensure the two black jumpers are connected between 1 2 and 3 4 The AT 8 is available with color coded pigtails for use with 110VAC feed systems for an additional charge RED Sanitizer ORP Chlorine BLUE Ph Acid or Base For 110VAC chemical feed systems simply plug your feed system into the color coded pigtail 4 3 5 1 2 Hardwiring the Chemical Feed System To wire a feeder directly to the AT 8 cut and strip the wires 1 4 back and either tin the ends or attach a crimp on termi nal WARNING The connectors inside the AT 8 are close together Failure to properly terminate wires could lead to shorts between wires and is not covered by warranty The connections to the terminal block are designated on the circuit board above and below the terminal block BELOW Terminal Block AC IN plug or power to AT 8 co co o ORP NO Sanitizer relay output with normally open relay LNILNILNLNI sanitizer relay output with normally closed relay pH Acid or Base relay output with normally open relay 0000000000 gt gt gt gt gt gt gt gt ACIN ORPNO ORPNC pH ABOVE Terminal Block line voltage Black Wire 2 neutral White Wire 1 ground Green Wire 3 5 1 3 220 VAC Feed System Set Up The AT
14. 8 comes from the factory set for 110 VAC Before applying power to unit make sure unit is set for 220vac Inspect JP2 located between fuses and transformer and remove the two black jumpers Reinsert one of the black jumpers between pins 2 and 3 WARNING Power should be off to the 8 before moving JP2 jumpers 9 The AT 8 is now configured to run on 220vac and will output 220vac to your chemical feed system 13 2009 anual 3 5 1 4 Installing 220 Feeders To wire your 220vac feeder directly to the AT 8 cut and strip the wires 1 4 back and either tin the ends or attach a wire ferrule BELOW Terminal Block AC IN plug or power to AT 8 Sanitizer relay output with normally open relay no power until relay turned on o sanitizer relay output with normally closed relay power is on until relay turned on commonly used for Salt Chlorine Generators pH Acid or Base relay output with normally open relay no power until relay turned on ABOVE terminal Block Lr cc L line voltage one leg of 220vac LN LN LN LN 4 N neutral one leg of 220vac gt gt gt c5cococococococ O line ground Green Wire 0000 06200000 ACIN ORPNO WARNING The connectors inside the AT 8 are close together Failure 2 6 to properly terminate wires could lead to shorts between wires and is not covered by warranty 1 3 5 1 5 24 VAC San
15. AT8 Pool and Spa Controller Installation and Operation Guide For Software Version AT 8 1 6 800 831 7133 www pentaircommercial com www pentairpool com PROGRAMMABLE CONTROLLERS Pentair Water Commercial Pool and Aquatics 5 1 4 BAFETVPRECAUTIDNS dI tind navn actae mud E nr iR GE 4 4 i3 S 4 0e 5 14 IMPORTANCE OF WATER MAINTENANCE 5 CHAPTER 2 AT 8 SPECIFICATIONS inn 20 im GE CE b Eua 6 CHAPTER 3 22 7 31 INSTALLATION PREPARATION 7 32 INSTALLATION SUMMARY 7 do pat IUD 8 gA AT 11 35 ELECTRICAL WIRING CONNECTIONS 12 CHAPTER 4 2 Eii aunak asear Sinia 18 A1 S 18 42 TEMPERATURE SENSOR teen nitentes 19 23 OU SENSORS 19 19 5 OPERATION AND PROGRAMMING 20 SEE o0 icis cc PME 20 CI d cns 23 8 Pe isi rh 26 5 4 ORP PROGRAMMING 30 5 5 TEMPERATURE
16. U to not save and return to reading 5 9 9 pH Low Alarm pH LOW ALARM 1 pH T2 e Use the up and down arrows to adjust the alarm for the low end of your desired pH range This alarm will turn on the alarm light and make the pH reading flash Alarm will clear within a minute of reading going back in range Press SELECT to save and go on or press MENU to not save and return to reading 27 2009 ATSM anual 5 3 10 High Alarm 1 pH 7 8 e Use the up and down arrows to adjust the alarm for the high end of your desired pH range This alarm will turn on the alarm light and make the pH reading flash e Alarm will clear within a minute of reading going back in range e Press SELECT to save and go or press MENU to not save and return to reading pH PROP FEED 1 PROP FEED ON e Use the up and down button to turn this feature ON or OFF Turning the proportional feed on 5 3 11 pH Prop Feed will proportionately feed the pH chemical within a 0 3 pH range 5 3 12 Serial Number SERIAL NUMBER 1 0200 0002 e This shows serial number of the relay board e Press SELECT to go on or press MENU to return to reading screen 5 3 13 SW Version SW VERSION L2 e This shows software version of the relay board e Press SELECT or MENU to return to reading screen 2009 8 Manual 28 5 4 ORP Programming To program your 8 you will need to enter the program sub menu Starting
17. ation surface must be solid and vertical Do not mount the controller in a horizontal position 5 Maintain adequate clearance for opening the enclosure 6 The environment should be free of chemical fumes and excessive heat The maximum room temperature is 110 9 WARNING Proper and safe operation requires an earth ground connection WARNING Keep the AT 8 out of direct sunlight and inside a room if possible A shade screen should be used for outdoor installations 3 4 2 Mounting the AT 8 1 Install the 4 mounting feet as desired to the AT 8 back 2 Hold the controller against the mounting surface with the lid closed and mark the location of the mounting bracket located on the top of the controller next to the wall Prepare holes as necessary and secure controller using hardware provided 3 Make sure the controller box is not distorted by an uneven mounting surface 4 Drill the four holes and insert the four mounting anchors 5 Secure the AT 8 to the mounting surface with the four screws CAUTION Do not over tighten the four mounting screws Damage to the enclosure will occur 3 5 Electrical Wiring Connections WARNING DO NOT OPEN AT 8 COVER WHEN POWER IS APPLIED Always follow local electrical codes and if you are not sure have a licensed electrician install all electrical wiring 2009 8 Manual 12 3 5 1 Internal Wiring Connections 3 5 1 1 110 VAC Feed System Set Up The AT 8 comes from the factory set for
18. d return to reading screen 5 4 11 Serial Number SERIAL NUMBER 1 0200 0002 This shows serial number of the relay board Press SELECT to go on or press MENU to return to reading screen 5 4 12 SW Version SW VERSION 1 2 This shows software version of the relay board e Press SELECT MENU to return to reading screen 2009 8 Manual 32 5 5 Temperature Programming To program your AT 8 you will need to enter the program sub menu Starting from the reading screen Press the MENU button to scroll through the available sub menus A 7 0 750 78 X Press the MENU Button Again 10 May 06 14 48 press SELECT to enter the AT 8 Setup submenu PROGRAM SUBMENU You will need to enter your password before the AT 8 will allow you to enter the programming menu For more information on passwords please see p 24 Once you are in the programming menu the AT 8 will ask you to select the system you wish to SELECT SYSTEM m Using the UP and DOWN arrows to select system you would like to program then press SELECT You will then need to select the control you wish to program In this case we are programming ORP ELCT TROL 1 Using the up and do BELT CONUS LECT CONTROL TEMP 5 5 1 Reading CAL Temperature Reading CAL 1 TEMP 18 e Displays the current calibrated reading the e Ifthe reading needs to be corrected use the up and down arrows to add or subtract the amount of calibration Fo
19. e bottom of the main pump strainer basket The sensor uses a special 74 NPT fitting to hold the stainless steel sensor A hole should be drilled 7 32 and tapped 1 4 where the water enters the pump room through a fitting to get double the depth to hold the sensor If in stalled outdoors make sure to keep it out of direct sunlight Route the wires into the controller through a strain relief and connect to the temperature input The red wire goes to T and the black wire to GND 17 2009 ATSM anual 43 Sensors The AT 8 is able to recieve information from one flow switch provided with the 1200 flow cell This flow switch is used to indicate flow through the flow cell and determines when it is OK to feed chemicals in to the system The AT 8 will not allow chemicals to feed if there is no flow in the system 44 Sensor Care Contamination of the sensing elements often results in slow response and inaccurate readings Clean the elements by the following procedures pH and ORP sensors Wash electrode tip in a liquid detergent and water Carefully use a soft bristled toothbrush to wash the electrode tip and white sensing ring Rinse after cleaning To install place in flow cell according to the diagram and hand tighten Make sure the O ring is installed on sensor If the cable is longer than needed it should be coiled neatly and attached under the cabinet pH Sensors Only Attempt to clean the sensor with liquid detergent first
20. e gets to high it may be an indication of aged or malfunctioning probe 5 4 3 ORP Setpoint ORP SETPOINT 1 ORP 650 Using the up and down arrows select the ORP set point This is the ORP that your sys tem will control to 5 4 4 ORP Feed Cycle ORP FEED CYCLE 1 MINUTES 2 00 This is the total amount of time in minutes and seconds of your feed and mix cycle Use the up and down arrows to adjust this time to accommodate your system See FEED LIMIT below for example e Press SELECT to save and on or press MENU to not save and return to reading 5 4 5 Feed Limit ORP FEED LIMIT 1 SECONDS 15 This is the amount of time minutes and seconds that your feeder on time will be lim ited to during your FEED CYCLE Using this command forces an off time during a feed cycle allowing for a mixing of the newly feed chemicals before the unit will feed again Us ing this feature is highly recommended For example If you have a FEED CYCLE of 2 00 and a FEED LIMIT of 0 15 You will feed for 15 seconds and then stay off for 1 minute and 2009 8 Manual 30 5 4 6 ORP Feed Safety ORP FEED SAFETY 1 MINUTES 30 This is the overfeed safety feature of the system Determine the total amount of time you want your ORP feeder to come on in a 24 hr period and enter it here The 24 hr period starts when you power up your controller e fthere is an asterisk present then the safety has tripped and the relay
21. e up arrow one time to change the reading to 7 5 H SENSOR pH Sensor Offset P Offset 0 0 This shows you how much calibration you have on the probe In the above example an uncalibrated probe that read 7 4 but was changed to read 7 5 will have an offset of 0 1 If the offset value gets to high it may be an indication of aged or malfunctioning probe NOTE pH probes can only be calibrated 0 9 units Press SELECT to save 90 on or press MENU to not save and return to reading screen pH Setpoint pH SETPOINT pH 7 5 Using the up and down arrows select the pH set point This is the pH that your system will control to Press SELECT to save go on or press MENU to not save and return to reading screen pH Acid Base pH ACID BASE CHEMICAL ACID Using the up and down arrows select the type of pH chemical that you will be feeding for pH control Acid or Base Press SELECT to save go on or press MENU to not save and return to reading screen 25 2009 anual 5 3 5 pH Feed Cycle pH FEED CYCLE 1 MINUTES 2 00 Thisis the total amount of time in minutes and seconds of your feed and mix cycle Use the up and down arrows to adjust this time to accommodate your system See FEED LIMIT below for example Press SELECT to save and go on or press MENU to not save and return to reading screen 5 3 6 pH Feed Limit pH FEED LIMIT 1 SECONDS I5 This is the amount of time
22. ed feed time The word pH flashes during feed of pH Press and hold the UP arrow to manually feed sanitizer for the programmed feed time The word flashes during feed of sanitizer 5 1 8 Display Backlight The display backlight is dimmed during normal operation to conserve life It never goes out completely to allow for viewing in normally dark environments such as pump rooms When any key is pressed it will brighten for a few minutes 21 2009 ATSM anual 5 2 AT 8 Set Up Before you begin programming your AT 8 you will want to set up the basic system in the set up menu The set up menu will allow you to program the date and time in to the AT 8 program and or enter your password to access the controller as well as view the serial number and software version specific to your controller Starting from the reading screen Press the MENU button to ORP TMP scroll through the available sub menus A 10 750 78 10 06 PROGRAM SUBMENU Press the MENU Button Again 10 May 06 DATA SUBMENU Press the MENU Button Again Press SELECT to enter the AT 8 Setup submenu 5 2 1 Set Date When setting the date a cursor will appear under the value moth day or year you are currently setting To move the cursor between values use the select key Once you have placed the cursor under the value you wish to change you are ready to set the date SET DATE M D Y 05 10 06 To se
23. efective parts should be returned immediately to the local Pentair Acu Trol dealer any parts returned to the factory require a return of material authorization form to subsequently generate an RMA Number Returned Materi als Authorization An Acu Trol technician will analyze the returned part and determine the cause of failure and process accordingly WARRANTY CARD MUST BE COMPLETED AND RETURNED FOR WARRANTY TO BE VALID 2009 8 Manual 4 1 41 CHAPTER 1 INFORMATION SAFETY PRECAUTIONS PLEASE READ THIS USER MANUAL completely before installing or operating the equipment The AT 8 is a Class 1 product for protection against electric shock and a Type 1 product with regards to disconnection of the control circuits Be sure to observe the following safety precautions Do not permit anyone untrained or under the age of 18 to use this product Unit must be properly connected to earth ground Never apply power when front panel is not secured in the closed position Never service unit with power applied always turn OFF main circuit breaker to unit and all equipment when servicing Touching the controller s internal parts could result in injury and or damage to the controller In case of a malfunction only a qualified technician should repair the controller Risk of Electric Shock Connect only to a grounding type receptacle protected by a ground fault circuit interrupter GFCI Do not bury cord Route cord to eliminate abuse
24. from heater exhaust lawn mowers hedge trimmers and other equipment Be careful not to damage any of the insulation on wires or the power cord Should the cord be damaged return it to your dealer for a replacement Continued use could result in fire or electric shock To reduce the risk of electric shock do not use an extension cord to connect unit to electric supply provide a properly located GFCI Never remove or install any cables between the circuit cards when power is applied damage to the components may occur WARNING CHEMICAL BURN HAZARD If possible make sure pumps are OFF before drilling into pipes Securely fasten all electrical water and chemical lines Locate chemical feed pumps and chemical storage tanks in a safe and secure area SAVE THIS INSTRUCTION GUIDE 5 2009 anual 1 3 AT 8 OVERVIEW Acu Trol the technological leader in swimming pool automation congratulates you on your selection of the AT 8 swimming pool controller The AT 8 will maintain the pH and sanitizer levels and monitor and report temperature levels The AT 8 features e Easy Read Display The AT 8 uses an easy to read LCD display screen e Data Recording The AT 8 has the ability to record data from all sensors and to store selected amount of that data e Easy Programming The AT 8 uses a simple and intuitive programming method e Selectable Voltage The AT 8 can be configured to use either 110 VAC or 220 VAC This allows
25. from the reading screen Press the MENU button to scroll through the available sub menus 1 pH TMP 7 0 750 78 X Press the MENU Button Again 10 May 06 14 48 press SELECT to enter the AT 8 Setup submenu PROGRAM SUBMENU You will need to enter your password before the AT 8 will allow you to enter the programming menu For more information on passwords please see p 24 Once you are in the programming menu the AT 8 will ask you to select the system you wish to program SELECT SYSTEM m Using the UP and DOWN arrows to select system you would like to program then press SELECT You will then need to select the control you wish to program In this case we are programming ORP Using the up and down SEDCTCONIRODT CT CONTROL ORP 5 4 1 Reading CAL ORP Displays the current calibrated reading of the ORP e If the reading needs to be corrected use the up and down arrows to add or subtract the amount of calibration For example if your controller is reading 690 and your hand check is reading 700 press the up arrow one time to change the reading to 700 NOTE ORP probes can only be calibrated 125 units Press SELECT to save and go on or 29 2009 ATSM anual 5 42 ORP Sensor Offset ORP SENSOR 1 Offset 0 0 This shows you how much calibration you have on the probe In the above example an uncalibrated probe that read 690 but was changed to read 700 will have an offset of 10 If the offset valu
26. ide if the sensors will be in line in a separate by pass line or if the AK1200 flow cell will be used Caution If the AK1200 is used the input water maximum pressure is 25 PSI 3 Determine the supply voltage 110 VAC or 220 VAC and set the supply voltage switch as necessary 4 Determine if the control to the equipment uses the same voltage as the supply voltage All controlled equipment must be compatible 5 Determine the water tap points for the flow cell bypass inlet and outlet 6 Mount the AT 8 away from direct sunlight and on a flat vertical surface 7 Connect the supply voltage with main breaker off Must be a separate dedicated circuit GFCI 8 If using an AK1200 flow cell install the bypass now 9 Connect the sensors 10 Test the plumbing for leaks 11 Turn on plug in the AT 8 for the first time 12 Test the equipment using the AT 8 manual relay mode 13 Calibrate the probes then recalibrate as the probes acclimate to the system Acclimation can take as little as two hours or as long as 24 hours 14 Program the AT 8 15 Call or visit the controller over the next few days to insure the system is balanced and in control Fine tune the setup if necessary 2009 8 Manual 8 3 3 1200 Flow Cell Installation 3 3 1 Tools amp Supplies Needed In order to install the AK1200 flow Cell you will need A Phillips screwdriver A drill A 1 4 drill bit A 1 4 NPT tap A small flat head screwdriver A 1 2 poly
27. in minutes and seconds that your feeder on time will be lim ited to during your FEED CYCLE 5 Using this command forces an off time during a feed cycle allowing for a mixing of the newly feed chemicals before the unit will feed again Using this feature is highly recommended e For example If you have a FEED CYCLE of 2 00 and a FEED LIMIT of 0 15 You will feed for 15 seconds and then stay off for 1 minute and 45 sec onds Press SELECT to save and go on or press MENU to not save and return to reading screen 5 3 7 pH ORP Delay pH ORP DELAY 1 MINUTES 1 This feature was specifically designed for suction side sanitizer feeders Setting a time in minutes here will keep the controller from feeding pH chemical directly after the sanitizer chemical has been fed thus allowing time for the pH sensor to settle to a normal reading 2009 8 Manual 26 5 3 8 pH Feed Safety pH FEED SAFETY 1 MINUTES 30 This is the overfeed safety feature of the system Determine the total amount of time you want your pH feeder to come on in a 24 hr period and enter it here The 24 hr period starts when you power up your controller e fthere is an asterisk present then the safety has tripped and the relay will stay off until the 24 hour period has passed If you press the up arrow and then the down arrow the overfeed will be reset and the asterisk will be removed Press SELECT to save and go on or press MEN
28. itizer Set Up Changing the sanitizer output voltage from the input voltage to 24vac is as follows Remove the jumpers from JP1 Setone of the jumpers on JP1 between 3 5 Set the other jumper on JP1 between 4 6 Note The pH relay output voltage is always the input voltage JP1 51 lt gt ccc OOOO 3 5 1 6 Dry Contact No Voltage Sanitizer Output Voltage Changing the sanitizer output voltage from the input voltage to a dry contact is as follows Remove the jumpers from JP1 Replace one of the jumpers on JP1 between 3 4 TheAT 8 will now have a dry contact sanitizer output voltage WARNING Power should be off to the AT 8 before moving JP1 jumpers 1 OOOO 2009 ATS Manual 14 3 5 1 7 Line Voltage Input Voltage Sanitizer Output Voltage Remove all jumpers on JP1 Place a jumper between pins 1 and 3 Place a second jumper between pins 2 and 4 e JP1 is now configured for line voltage WARNING Power should be off to the AT 8 beforemoving JP1 jumpers 3 5 1 8 Flow Switch oaod JP1 LU Insert the flow switch though the small strain relief in the bottom of the AT 8 e Connect the flow switch wires into TB6 located on the circuit board Place one wire in to the slot and one wire in to the slot e Polarity does not matter on these connections TB5 TB6 T T I 3 5 1 9 Temperature Sensor
29. l panels Mount the flow cell within 6ft of intended mounting place of the 8 Mounting surface must be flat and level 9 2009 anual 3 3 4 Mounting the Cell Select a suitable location for the flow cell meeting the following recommendations The sensors should be away from direct sunlight as this may affect the readings location should be where some water spillage will not damage anything Preferably below the level of the controller e Securely mount the bracket to wall using the two supplied screws 3 9 5 Plumbing tne riow Make sure pumps are OFF before drilling into pipes Never turn chemical feed pumps ON when both flow cell valves are closed If injecting more than one chemical into the AK1200 make sure they will not be on at the same time e essential that the supply line be at a higher pressure than the discharge line so the water will flow through the cell at a steady rate in the right direction Installing a ball valve in the main circulation line may be required if the pressure is too low e Inlet should be installed after filter and before heater e Exit should be installed after heater and as far away from any equipment as possible M Drill and tap at above locations with 7 32 drill and 1 4 NPT tap Choose a location on a fitting where the pipe enters so you are drilling through both the pipe and fitting to get maximum depth of thread Install 4 by 77
30. must have a different address This is accomplished by the white rotary switch on the bottom of the circuit board Use a small flat head screw driver and the table below to assign addresses Addresses must be assigned in numerical order or the system will not function properly Position 0 Master Unit 1 use this setting for single system applications e Position 1 Unit 2 e Position 2 Unit 3 Position 3 Unit 4 4 e Position 4 Unit 5 Position 5 Unit 6 EN Q en e Position 6 Unit 7 4 0 Position 7 Unit 8 The AT 8 enclosure can now be closed and the lid screws tightened 2009 8 Manual 16 4 SENSORS The AT 8 can accept readings from a wide variety of sensors Each sensor has its own unique circuitry that is con nected directly to the micro controller for measurement Isolation of each sensor ensures more accurate measure ments The AT 8 measures the following sensor measurements with the listed characteristics pH Range 4 22 to 9 78 0 02 This measurement is temperature compensated WARNING Sensors are shipped with a plastic case covering the electrode tip Sensors should be kept in the protective cap until time of installation If the sponge in the cover becomes dry wet it with tap water ORP Range 0 to 999 mV 1mV WARNING Sensors are shipped with a plastic case covering the electrode tip Sensors should be kept in the protective cap until time of installation If the sponge in
31. next character in the password sequence e Repeat until your new password appears in full you can use up to 6 numbers letters To finish press SELECT to save your new password The AT 8 will then return you to the readings screen 5 3 Programming To program your AT 8 you will need to enter the program sub menu Starting from the reading screen Press the MENU button to scroll through the available sub menus Press the MENU Button again 10 May 06 Press SELECT to enter the AT 8 Setup submenu PROGRAM SUBMENU You will need to enter your password before the AT 8 will allow you to enter the programming menu For more infor mation on passwords please see p 24 Once you are in the programming menu the AT 8 will ask you to select the system you wish to program SELECT Using the UP and DOWN arrows to select system you would like to program then press SELECT You will then need to select the control you wish to program In this case we are programming pH Using the up and down arrows select pH then press SELECT SELCT CONTROL 1 CONTROL pH 2009 8 Manual 24 5 3 1 5 3 2 5 3 3 5 3 4 Reading CAL pH Reading CAL 1 pH 25 Displays the current calibrated reading of the pH If the reading needs to be corrected use the up and down arrows to add or subtract the amount of calibration For example if your controller is reading 7 4 and your hand check is reading 7 5 press th
32. nt available This screen is helpful to know when the data is full and starting to scroll around 2009 8 Manual 36 5 6 3 Log Contents This allows viewing of the stored data LOG CONTENTS ARROWS TO REVIEW Use the UP arrow to scroll from the oldest to the newest record and DOWN arrow to scroll from the newest to the oldest FORMAT TOP LINE MMDDYY HH MM unit number for this record MM month DD day YY Year date for record hour MM minute time of record appears if a configuration change occurred BOTTOM LINE FOPT ORP pH Temp appears if there was flow O appears if there was an ORP alarm P appears if there was a pH alarm T appears if there was a Temperature alarm ORP the ORP reading pH the pH reading Temp the temperature reading When you reach the end of the log you will go on to the next screen e Press SELECT to go on or press MENU to return to reading screen 5 6 4 Reset Data Log RESET LOG NO Usethe up and down arrows to select either yes or YES will clear all data from the log when you press SELECT Press SELECT or press MENU to return to reading screen e Ifthe data log is not reset the data will continue to write over the existing data oldest entry first 37 2009 anual CHAPTER 6 MAINTENANCE 5 1 Calibration Maintenance Periodically a hand check of the systems water must be performed to compare against the read ing
33. r example if your controller is reading 68 and your hand check 33 2009 ATSM anual NOTE pH probes only be calibrated 50 units e Press SELECT to save and go on or press MENU to not save and return to reading screen 5 5 2 Temperature Sensor Offset TEMP SENSOR 1 Offset 0 0 e This shows you how much calibration you have on the probe In the above example an uncalibrated probe that read 68 but was changed to read 70 will have an offset of 2 If the offset value gets to high it may be an indication of aged or malfunctioning probe Press SELECT to go on or 5 5 3 Temperature Units TEMP UNITS 1 FAHRENHEIT e Use the up and down arrows to toggle between CELSIUS and FAHRENHEIT Press SELECT to save and go on or press MENU to not save and return to reading screen 5 5 4 Temperature Low Alarm TEMPLOW ALARM 1 15 Usethe up and down arrows to adjust the alarm for the low end of your desired pH range This alarm will turn on the alarm light and make the TEMP reading flash Alarm will clear within a minute of reading going back in range e Press SELECT to save and go on or 2009 8 Manual 34 555 Temperature High Alarm TEMP HIGH ALARM 1 40 Usethe up and down arrows to adjust the alarm for the high end of your desired pH range This alarm will turn on the alarm light and make the TEMP reading flash Alarm will clear within a minute of reading going back in range P
34. ress SELECT to save and go on or press MENU to not save and return to reading screen SERIAL NUMBER 1 0200 0002 This shows serial number of the relay board Press SELECT to go on or press MENU to return to reading screen 5 5 6 Serial Number 5 5 7 SW Version SW VERSION 1 2 This shows software version of the relay board e Press SELECT or MENU to return to reading screen 35 2009 ATSM anual 5 6 Data Submenu Before you begin programming your AT 8 you will want to set up the basic system in the set up menu The set up menu will allow you to program the date and time in to the AT 8 program and or enter your password to access the controller as well as view the serial number and software ver Starting from the reading screen Press the MENU A oe 2 button to scroll through the available sub menus 7 0 750 78 10 May 06 14 48 ress the U Button Again PROGRAM SUBMENU press SELECT to enter the AT 8 Data submenu 10 May 06 DATA SUBMENU 5 6 1 Data Logging Rate DATA LOGGING RATE 5 MIN Using the up and down arrows to select the rate at which to collect data The choices are 1 minutes 5 minutes 15 minutes 30 minutes 1 hour and 12 hours e Press SELECT to save and go on or press MENU to not save and return to reading screen 5 6 2 Current Log Size CURRENT LOG SIZE 8419 OF 2048 Displays the number of lines of data that have been recorded and the total amou
35. ry default settings SET TO DEFAULT Press SELECT Use the up and down arrows to select either yes or no YES will return the current selected systems system times set points alarms and setup to the factory default settings Press SELECT to complete reset or go on 5 2 5 Serial Number This displays the serial number of your AT 8 controller press SELECT to go on SERIAL NUMBER 0100 0001 5 2 6 AT 8 Software Version This displays the software version used in your AT 8 controller Press SELECT to go on SOFTWARE VERSION 1 6 23 2009 ATSM anual 5 2 7 Enter Password ENTER PASSWORD To enter a password in your AT 8 controller Using the up and down arrows scroll through the numbers until the current password is displayed factory default is Press SELECT to choose the character and move on to the next characer in the sequence Press SELECT again when your entire pasword is showing to enter the pasword in the controller To change the password in your AT 8 controller Using the up and down arrows scroll through the numbers until the first letter number or character of your new password appears Press SELECT to select the character and move on to the next character in the password sequence Using the up and down arrows scroll through the numbers until the second letter number or character of your new password appears Press SELECT to choose the character and move on to the
36. s of the controller Use an AcuCheck 3 or a professional test kit and if needed perform a cali bration 5 2 Sensor Cleaning Important AT 8 Sensors are a precision instrument and must be clean to perform to specification Periodi cally the sensors should be cleaned with a soft towel or a toothbrush using a mild liquid soap The use of chemicals to clean the sensor can damage sensors and is not covered under warranty 2009 8 Manual 38 7 TROUBLESHOOTING 6 1 1 Readings are Fluctuating e Check the flow in the flow cell The flow sensor magnet should be just making contract with the flow sensor Too much flow can cause inaccurate readings and decrease sensor life e Check the pressure in the flow cell The flow Cell should always have a positive pres sure 6 1 2 Feeders Won t Turn On e Check for asterisk in front of reading e means feed safety limits are activated and maybe set to low Increase the Feed Safety limits on the AT 8 e Check to make sure the Flow is on in the flow cell and it is being displayed as in the AT 8 If there is no flow indicated check the circulation system and that the wires are securely fastened in the AT 8 Unplug to reset the controller e If controller starts feeding the feed safety limits are set to low 6 1 3 Controller is Overfeeding Double check readings with hand check and calibrate if necessary e Check feeders to make sure they are not st
37. t the month use the up and down arrows scroll through the numbers until the correct month is displayed Press SELECT To set the day use the up an down arrows scroll through the numbers until the correct day is displayed Press SELECT set the year use the up and down arrows scroll through the numbers until the correct year is shown Press the SELECT button to save your changes and advance to the next setup sub menu Set Time 5 2 2 Set Time When setting the time a cursor will appear under the value hour or minute you are currently setting To move the cursor between values use the select key Once you have placed the cursor under the value you wish to change you are ready to set the time SET TIME HH MM Using the up and down arrows scroll through the numbers until the correct hour 24hr is displayed Press SELECT Using the up and down arrows scroll through the numbers until the correct minutes is displayed Press SELECT 2009 8 Manual 22 5 2 8 Reset Safety This screen will allow you to reset all the safety or overfeed timers in your AT 8 units RESET ALL SAFETY NO Press SELECT Use the up and down arrows to select either yes or no YES will clear all system SAFETY LOCKOUT conditions and displayed Press SELECT to complete reset or go on 5 2 4 Set to Default This screen will allow you to reset all of the settings in the current selected system back to facto
38. the cover becomes dry wet it with tap water Flow Switch This input measures if a switch is open or closed WARNING Sensors are shipped with a protective cap covering the electrode tip to protect the sensing element Sen sors should be kept in the protective cap until ready for installation if the sponge in the boot becomes dry wet it with tap water During shipment air bubbles may have entered the electrode carefully shake the electrode downward like a thermometer to dispel the air from the sensing elements inside the electrode Before using the sensor remove the cap 4 1 and Sensors pH electrodes sense the acidity of the water and work with any acid or base The blue bands on the cables identify the pH sensors Each sensor is also identified on the sensor body ORP electrodes are used to monitor the Oxidation Reduction Potential sanitization quality of the water of a given solution The sensing element of the ORP electrode is made of a precious metal such as platinum or gold The red bands on the cables identify ORP sensors 42 Temperture Sensor The AK10K sensor can be installed to measure display temperature The sensor should be installed as close as possible to where the water comes from the pool If temperature probe is installed in the AK1200 flow cell there will be a temperature variation due to the long tubes and the temperature in the pump room A common place to install it is in the small plugged hole in th
39. uck on Turn the feed limit down on the AT 8 6 1 3 Controller is Underfeeding e Check feeders to make sure they in proper operation e Check and make sure feeders have chemicals Increase feed limit on the 8 6 1 4 The System is not Recognizing all the AT A8 s on the Bus e Check the address settings on each AT 8 See Address Setup section e Check cables between units 5 1 5 Green Power LED is Flashing This indicates a loss of bus communication e Check cables between units replace any damaged cables e fthere was a shorted or damaged cable the bus fuse maybe blown and need replace 6 1 6 Red LED Light is Flashing This indicates pH ORP or TEMP past alarm set point It will stop flashing when sensor reading is back in range This also indicates a pH or ORP Feed Safety Limit violation has occurred This will only stop after the 24 hour period has passed or the power to the control unit is turn off and then on again 39 2009 anual 8 MENU TREE AT 8 and AT 8S Menu Tree SET UP 1 pH ORP TMP F 2 pH ORP TMP F A 75700 35 X 7 5 700 35 X 10 MAY 06 14 48 PROGRAM SUBMENU 10 MAY 06 14 48 SET DATE SET DATE DATA SUBMENU M D Y 05 10 06 M D Y 06 10 06 10 MAY 06 14 48 SET TIME SET TIME Qe SETUP HH MM 10 34 HH MM 11 35 RESET ALL SAFETY RESET ALL SAFETY YES RESET TO DEFAULT RESET TO DEFAULT YES SERIAL NUMBER
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