AcuTrol Programmable Controllers CO2 Injection Systems
Contents
1. 3 1 1 CO2 ADJUSTMENT Pressure The has a fixed 50 PSI output regulator regulator or facility supplied set the output pressure no greater than 50 PSI If you use an adjustable FLOW The CO flow should be adjusted to as low as possible while still maintaining the desired pH control A perfectly adjusted and balanced system will have CO feed times of less than 1 minute for systems consisting of 2000 gallons or less and feed times of 1 to 5 minutes for systems greater than 2000 gallons P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 13 To startup an follow to steps below 1 Start with the control relay in the OFF position the CO cylinder valve closed and the CO flow valve closed 2 Open the cylinder valve and test the CO lines for leaks with a soap solution 3 Manually turn on the control relay and slowly open the CO flow valve until the flow gage reads 5 SCFH for systems consisting of 2000 gallons or less and 20 25 SCFH for systems greater than 2000 gallons 4 Turn off the control relay The CO flow should stop 5 Hand check the system water pH Record value 6 Turn on the control relay Note the time For a LARGE body of water greater than 2000 gallons wait 5 minutes and then turn off the control relay For a SMALL body of water less than 202. BN 1 ME v BE yy Heyy LEE M LU I I BEN RETURN TO SOURCE NR S CHEMICAL FROM FACILITY CO2 50 PSI MAX AK GO OUT IN TO CONTROLLER ACID CONTROL DIFFUSER RETURN LINE P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 7 The AKCO INSTALLATION AND OPERATION MANUAL explains the procedures for proper installation and operation of the series CO injection systems The INSTALLATION portion introduces the parts of the and the process to follow when installing the electrical connections for the The OPERATION portion describes how to use the If you have any questions regarding this product please feel free to call your local dealer or Pentair Water Commercial Pool and Aquatics Pentair directly P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 8 Receipt Inspection Upon receiving an system check the carton carefully Report any damaged items directly to the shipping company Go
3. PLUMBING All fittings are 3 8 Polypropylene Tube fittings and the tubing is Low Density Polyethylene with a 120 PSI at 73 degrees F rating LOW TO DCONTROLLER C02 TANK gt P N 400000100 Rev ASORB IT OPERATION amp INSTALLATION MANUAL 5 AKCO HIGH TO CONTROLLER AK CO HEAT CONTROL gt TO CONTROLLER ACID CONTROL 5S CO2 TANK jl P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL AK AUTO 6 1 AKCED o ar m LII on n TO CONTROLLER ACID CONTROL 5 2 Hn CO2 TANK C02 TANK COW TERN LL ll ll E NF I pue Fol ME
4. PROBLEMS AFTER READING THE GUIDES amp TROUBLESHOOTING PROCEDURES PLEASE CALL YOUR DEALER DIRECTLY BEFORE CALLING PLEASE BE READY WITH THE FOLLOWING ITEMS MODEL NUMBER OF THE CONTROLLER P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 15
5. through the shipping list and verify that all items are present Please contact your local dealer if any inventoried items are missing or have been damaged Use care when unpacking equipment to avoid damage or loss of small parts Input Power 120VAC Select INPUT devices The systems are designed to be used with Pentair controllers Each electrical installation for the can be different This manual gives the basic principles to be applied for any specific installation as follows Identify the new and existing equipment to be connected Determine the controller supplying on power Determine the placement of the controller and mount See mounting below Determine the AKCOz s mounting location and mount Locate CO cylinder within six feet of controller Use plumbing tape on all plumbing fittings and diffuser installation Install the diffuser in the return line by drilling and tapping a NPT hole in the bottom of the line CAUTION The diffuser needs to be installed downstream of any equipment since the CO produces a pH of around 5 5 Thread the diffuser up into the NPT hole Use only 3 8 O D Polyethlene pipe from the to the diffuser Connect the pressure regulator to the cylinder The regulator has a fixed 50PSI output Use only 3 8 O D Polyethlene pipe from the to the regulator Connect the control from a normally open relay set for 120VAC operation using 18GA pigtai
6. to the local Pentair dealer any parts returned to the factory require a return of material authorization code to subsequently generate an RMA Return to Manufacturer form A Pentair Technician will analyze the returned part and determine the cause of failure and process accordingly P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 4 SUMMARY The systems provide injection and absorption of CO gas into a circulating water system via solenoid with rate control valve CO is a natural non corrosive gas that can be used as a substitute for liquid acid in chemical treatment of aquatic systems When dissolved in water it forms weak acid 2 carbonic acia Which can be used to lower pH and raise total alkalinity AKCO2 features as follows SOLENOID AND RATE CONTROL VALVE U L Listed solenoid bronze body with Ys connections are controlled via 120VAC coil relay housed in a vented anodized aluminum case Rate control valve has full range adjustment and indicator Capacity is 30 SCFH for LOW and 100 SCFH for HIGH REGULATOR AKCO LOW uses a U L Listed 50 PSI fixed output regulator with a 0 4000PSI tank pressure gauge HIGH uses a U L Listed 50 PSI fixed output heated regulator with a 0 4000PSI tank pressure gauge NR has NO REGULATOR CO INJECTOR ASSEMBLY has a built in check valve with v NPT threaded high density porous polyethylene diffuser
7. 00 gallons wait 1 minute and then turn off the control relay 7 Hand check the system pH Record the value See the work sheet below and calculate the feed rate 8 If the feed rate is too high redo steps 5 7 with the flow valve throttled to a lower flow If the feed rate is too low redo step 5 7 with the flow valve throttled to a higher flow 9 Once feed rate is adjusted set the feed and mixing times in the relay program and place the relay in automatic Startup is complete AKCO STARTUP WORK SHEET STEP 5 Hand Check pH before CO flow valve opened pH1 STEP 6 CO flow CFPH STEP 6 Time Start Time Stop Total Time Minutes STEP 7 Hand Check pH after time test pH2 PH Change pH1 pH2 pH Feed Rate pH Change Total Time pH minute P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 14 3 3 1 IS NOT DECREASING 1 Check that there is power to the unit and that the CO flow gage shows flow when unit is on 2 If there is no flow check to see if the CO cylinder is empty and needs replacement 3 If there is a great system load the current feed rate may not be able to keep up The CO flow may need to be increased 3 3 2 PH IS NOT CONTROLLING WELL 1 Feed rate or controller programming is not balanced to water system needs Perform the STARTUP again or adjust the controller relay feed and mixing times based on the feed rate calculated IMPORTANT IF THERE REMAINS ANY
8. CA PROGRAMMABLE CONTROLLERS and AK Auto CO INJECTION SYSTEMS AKCO HIGH and LOW NR and AK AUTO INSTALLATION amp OPERATION GUIDE Technical Support 800 831 7133 2012 Pentair Water Commercal Pool and Spa All rights reserved 1620 Hawkins Ave Sanford NC 27330 1351 Route 55 LaGrangeville NY 12540 Technical Support 800 831 7133 www pentaircommercial com Acu Trol and Pentair Water Commercial Pool and Aquatics are trademarks and or registered trademarks of Pentair Water Pool and Spa Inc and or its affiliated companies in the United States and or other countries P N 400000100 Rev B 2 9 12 CHAPTER 1 INFORMATION cccccccceceeeeeeeeeeeneneeeeeneeeeeeeneneaes 3 1 1 SAFETY PRECAUTIONS 3 Wie MARRAN i a 4 ARGO OVER VIB s iia dne citu eda doa crea dede uec Co ida x Cite e De tone a i e 5 15 INDIBODUIGTION s o stistastonit ctiain ta Nace bud 8 CHAPTER 2 INSTALLATION eer 9 2 1 INSTALLATION 2 2 412 41 4 9 22 ELECTRICAL INSTAELEATIGODN eC2 veta Do e di 9 2 2 1 ELECTRICAL AND CO2 SPECIFICATIONS 10 23 MOUNTING THE 2 2 00000000 0 0 0 10 2 4 FINISH
9. ING AND 40000000 0 0 1 nene 12 CHAPTER 13 ad RIN TOE v d tu o 13 3 1 1 CO2 ADJUSTMENT 13 3 2 STARTUP hr ig EN RB dca 14 Su SHOOTING our SERM phuc eo E bi rn hc 15 3 3 1 PH IS NOT DECREASING 22 rod aiam cea d an a na Soa EE rer ot tk Perm cr Ene is 15 3 3 2 IS NOT CONTROLLING WELL eene 15 P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 2 1 1 IMPORTANT WARNING AND SAFETY INSTRUCTIONS ADANGER SERIOUS BODILY INJURY OR DEATH CAN RESULT IF THIS PRODUCT IS NOT INSTALLED AND USED CORRECTLY PLEASE READ THIS USER MANUAL completely before installing or operating the equipment INSTALLERS POOL OPERATORS AND POOL OWNERS MUST READ THESE WARNINGS AND ALL INSTRUCTIONS BEFORE USING THIS PRODUCT Most states and local codes regulate the construction installation and operation of public pools and spas and the construction of residential pools and spas It is important to comply with these codes many of which directly regulate the installation and use of this product Consult your local building and health codes for more information IMPORTANT NOTICE Attention Installer Th
10. 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 Take necessary precautions while working with high pressure gas Pentair Water Commercial Pool and Aquatics Pentair warrants the AKCO2 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 external parts 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 Pentair 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 installation 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 Defective parts should be returned immediately
11. is Installation and Operation Guide Guide contains important information about the installation n operation and safe use of this product This Guide should be given to the owner and or operator of this product Before installing this product read and follow all warning notices and instructions in this Guide Failure to follow warnings and instructions can result in severe injury death or property damage Call 800 831 7133 for additional free copies of these instructions Please refer to www pentairpool com for more information related to this products RISK OF ELECTRICAL SHOCK OR ELECTROCUTION BEFORE WORKING ON THIS PRODUCT Always disconnect power to the unit at the circuit breaker before servicing Failure to do so could result in death or serious injury to service person pool users or others due to electric shock BE SURE TO DISCONNECT ALL SUPPLY CONNECTIONS BEFORE SERVICING AKCO HIGH LOW and NR are Class 1 products for protection against electric shock and a Type 1 products with regards to disconnection of the control circuits This product must be installed by a licensed or certified electrician or a qualified pool professional in accordance with the National Electrical Code NEC NFPA 70 or the Canadian Electrical Code CEC CSA C22 2 All applicable local installation codes and ordinances must also be adhered to Improper installation will create an electrical hazard which could result in death or serious i
12. l Or hardwire with Relay NO line voltage must be connected to the BLACK wire relay NO neutral must be connected to the WHITE wire and Relay GND Ground must be connected to the GREEN wire On HIGH connect the regulator heater to 120VAC power Connect the supply voltage Test the operation of the WARNING Be sure to have a licensed electrician perform all electrical wiring This is important as they will be familiar with the electrical codes in the local area P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 9 2 2 1 ELECTRICAL AND CO2 SPECIFICATIONS The following electrical specifications in the table below must not be exceeded ITEM DESCRIPTION LIMIT Control Power control form controller 120VAC HIGH To Regulator Heater 120VAC CO Pressure Before regulator Bottle Pressure 3000 PSI max CO Pressure After regulator 50 PSI max CO Flow LOW and NR flow 0 30 SCFH CO Flow AKCO HIGH flow 0 100 SCFH Select a location for mounting the meeting the following recommendations At least ten 10 feet from open water Supply power must be routed to the in accordance with the applicable codes the area the supplied cord is not code in some areas Mount with four bolts The environment should be free of chemical fumes and excessive heat The maximum room temperatu
13. njury to pool users installers or others due to electrical shock and may also cause damage to property waRNING 09 not permit children to operate this equipment a waRNING Risk of electrical shock Connect this product to a ground fault interrupter circuit GFCI Contact a qualified electrician if you cannot verify that the receptacle is protected by a GFCI z gt DANGER P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 3 1 1 IMPORTANT WARNING AND SAFETY INSTRUCTIONS Be sure to observe the following safety precautions Unit must be properly connected to earth ground Never apply power unless unit is properly mounted with no internal parts exposed Never service unit with power applied always turn OFF main circuit breaker to unit and all equipment when servicing Touching the controllers internal parts could result injury and or damage to the controller In case of a malfunction only a qualified technician should repair the unit Risk of Electric Shock Connect only to a grounding type receptacle protected by a ground fault circuit interrupter GFCI Contact a qualified electrician if verification on the receptacle is not protected by GFCI Do not bury cord Route cord to eliminate abuse fran 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
14. re is 110 F Mount as far as possible from sources of electrical interference Since the produces a very low pH the Discharge should be plumbed after all other equipment just before the return to the pool The Suction should be plumbed after the main filter P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 10 6 15 256 uv TE hee GTN X N CO E AN 2 NO NO gt N 9 5 9 13cm MOUNTING 1 25 20 2750 ee M 5 175 68mm 3 7 52cm AK AUTO MOUNTING P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 11 Once the system has been installed the following steps are required for final system finishing and testing 1 Perform STARTUP procedure 2 Test system for leaks 3 Record the feed rate calculated in the STARTUP nearby unit for future use 4 Test and operate P N 400000100 Rev B ASORB IT OPERATION amp INSTALLATION MANUAL 12 CHAPTER 3 OPERATION JES Q flow valve rie QUT N e
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