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AQT-290
POWERFLO SERIES
CO NTR O L VA LV ES
SERVICE MANUAL

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Summary of Contents for AQUATROL POWERFLO AQT-290

  • Page 1 AQT-290 POWERFLO SERIES CO NTR O L VA LV ES SERVICE MANUAL...
  • Page 3: Table Of Contents

    Lower Control Drive Assembly Lower Control Drive Parts List 170 Brine System Assembly 170 Brine System Assembly Parts List Troubleshooting Wiring Diagram Notes CONT R O L VALVE S AQUATROL | P.O. Box 2235 Chino Hills, CA 91709 • USA...
  • Page 4: General Residential Installation

    General Residential Installation CO N TR OL VALVE S Water Pressure Minimum 25 PSI Electrical Supply Uninterrupted AC. Check voltage compatibility Existing Free of any deposits or build-ups inside pipes Softener Locate close to drain and connect according to plumbing codes Bypass Valves Always provide for bypass valve if unit is not equipped with one CAUTION...
  • Page 5: Aqt-290 Timer Start-Up Setting Procedures

    AQT-290 Timer Start-up Setting Procedures CO N T RO L VA LV E S How To Set Days On Which Water Conditioner Is To Regenerate: Rotate the skipper wheel until the number "1" is at the red pointer. Set the days that regeneration is to occur by sliding tabs on the skipper wheel outward to expose trip fingers.
  • Page 6: Aqt-290 Timer Delay Start-Up Setting Procedures

    AQT-290 Timer Delay Start-up Setting Procedures CO N TR OL VALVE S NOTE: To set meter capacity rotate manual knob 1-360º revolution to set the gallons. Typical Programming Procedure Calculate the gallon capacity of the system, subtract the necessary reserve requirement and set the gallons required by lifting the gallon dial and rotating it so that the number of gallons required is aligned with the white dot on the program wheel gear.
  • Page 7: Regeneration Cycle Program Setting Procedures

    Regeneration Cycle Program Setting Procedures CO N T RO L VA LV E S How To Set The Regeneration Cycle Program: The regeneration cycle program on your water conditioner has been factory preset, however, portions of the cycle or program may be lengthened or shortened in time to suit local conditions.
  • Page 8: Downflow Diagrams

    Downflow Flow Diagrams CO N TR OL VALVE S Brine Valve Flow Control 1) Service Position Drain Hard water enters unit at valve inlet and flows down through the mineral in the mineral tank. Conditioned water enters center tube through the bottom distributor, then flows up through the center tube, around the piston, and out the outlet of the valve.
  • Page 9 Downflow Flow Diagrams CO N T RO L VA LV E S Brine Valve Flow Control 3) Brine Position Drain Hard water enters unit at valve inlet - flows up into injector housing and down through nozzle and orifice to draw brine from the brine tank - brine flows down through mineral and enters the center tube through bottom distributor - flows up through center tube - around the piston and out...
  • Page 10 Water Conditioner Flow Diagrams CO N TR OL VALVE S Brine Valve Flow Control 5) Rapid Rinse Drain Hard water flows through the regenerating valve directly down through the mineral into the bottom distributor and up through the center tube. Inlet Resin Tank Outlet...
  • Page 11: Dimensional Drawings

    Dimensional Drawings CO N T RO L VA LV E S Page 11...
  • Page 12: Body Valve Assembly

    Body Valve Assembly CO N TR OL VALVE S No Hard Water Bypass Piston Page 12...
  • Page 13: Body Valve Assembly Parts List

    Body Valve Assembly Parts List CO N T RO L VA LV E S Item No. Quantity Part No. Description A-14749-01 Body, Valve Upper, AQT 290 A-11208 O-ring, Body Seal, Base A-11710 O-ring, Body Seal, Riser Tube A-14751 Coupling, AQT-290 Upper-Lower DLFC Button/Washer A-60699-00 DLFC Brass, F 3/4"...
  • Page 14: Upper Control Drive Assembly

    Upper Control Drive Assembly CO N TR OL VALVE S PN A-60160 Drive Cam Assy 10 11 Page 14...
  • Page 15: Upper Control Drive Assembly Parts List

    Upper Control Drive Assembly Parts List CO N T RO L VA LV E S Item No. Quantity Part No. Description A-07190F Transformer, 24V, 60Hz, for Mechanical and NX A-13547 Strain Relief, Cord, Back Plate A-10300 Screw, Hex, Back Plate-Timer A-19691 Plug, Back Plate Timer, Mechanical...
  • Page 16: Lower Control Drive Assembly

    Lower Control Drive Assembly CO N TR OL VALVE S PN A-60160-01 Lower Drive Cam Assy Page 16...
  • Page 17: Lower Control Drive Parts List

    Lower Control Drive Assembly Parts List CO N T RO L VA LV E S Item No. Quantity Part No. Description A-07190F Back Plate, AQT-290 Lower A-14769 Braket, Motor A-10016S Screw, Motor Mounting 4 - 9 A-60160-01 Lower Drive Cam Assy A-11805 Screw, Micro Switch A-10218...
  • Page 18: 170 Brine System Assembly

    170 Brine System Assembly CO N TR OL VALVE S PN 1 - 22 -------- A-60034 --- Brine Valve, Short Stem, Less BLFC, 1/2” for AQT-285 PN 14 - 22 ------ A-60381 --- Inyector Body, 1/2” for AQT-285 Page 18...
  • Page 19: 170 Brine System Assembly Parts List

    170 Brine System Assembly Parts List CO N T RO L VA LV E S Item No. Quantity Part No. Description A-15517 Stem Guide, Brine Valve A-10250 Retaining Ring A-04003F Washer A-15310 Spring, Brine Valve A-14797 Stem, Brine Valve A-14790 Body, Brine Valve A-13201 O-Ring...
  • Page 20: Troubleshooting

    Troubleshooting Problems, Cause & Corrections CO N TR OL VALVE S Problem Cause Correction 1) Softener fails to regenerate. A) Electrical service to unit has been A) Assure permanent electrical service interrupted. (check fuse, plug, pull chain or switch). B) Timer is defective. B) Replace timer.
  • Page 21 Troubleshooting Continued Problem, Cause & Corrections CO N T RO L VA LV E S Problem Cause Correction 8) Softener fails to draw brine. A) Drain line flow control is plugged. A) Clean drain line flow control. B) Injector is plugged. B) Clean injector.
  • Page 22: Wiring Diagram

    Wiring Wiring Diagrams Diagrams CO N TR OL VALVE S System #4 Immediate/Delayed Regeneration Valve Wiring Time Motor Valve Drive Motor Timer Homing Switch Timer Program Switch Valve Homing Switch Valve Step Switch Brine Cam Switch THCAM Timer Homing Cam TPCAM Timer Program CAM HCAM...
  • Page 23: Notes

    CO N T RO L VA LV E S NOTES: Page 23...
  • Page 24 CONTRO L VALV ES AQUATROL | P.O. Box 2235 Chino Hills, CA 91709 • USA LIT-AQT-290-MAN 08/24/20...

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