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FLECK

 Model ProFloSXT Downflow Service Manual 

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21

TROUBLESHOOTING

Problem

Cause 

Correction

1. Water conditioner fails to regenerate.

A. Electrical service to unit has been 

interrupted

A. Assure permanent electrical service (check fuse, 

plug, pull chain, or switch)

B. Timer is defective.

B. Replace timer.

C. Power failure.

C. Reset time of day.

2. Hard water.

A. By-pass valve is open.

A. Close by-pass valve.

B. No salt is in brine tank.

B. Add salt to brine tank and maintain salt level 

above water level.

C. Injector screen plugged.

C. Clean injector screen.

D. Insufficient water flowing into brine tank.

D. Check brine tank fill time and clean brine line 

flow control if plugged.

E. Hot water tank hardness.

E. Repeated flushings of the hot water tank is 

required.

F. Leak at distributor tube.

F. Make sure distributor tube is not cracked. Check 

o-ring and tube pilot.

G. Internal valve leak.

G. Replace seals and spacers and/or piston.

3. Unit used too much salt.

A. Improper salt setting.

A. Check salt usage and salt setting.

4. Loss of water pressure.

A. Iron buildup in line to water conditioner.

A. Clean line to water conditioner.

B. Iron buildup in water conditioner.

B. Clean control and add mineral cleaner to mineral 

bed. Increase frequency of regeneration.

C. Inlet of control plugged due to foreign 

material broken loose from pipes by recent 

work done on plumbing system.

C. Remove piston and clean control.

5. Loss of mineral through drain line.

A. Air in water system.

A. Assure that well system has proper air eliminator 

control. Check for dry well condition.

B. Improperly sized drain line flow control.

B. Check for proper drain rate.

6. Iron in conditioned water.

A. Fouled mineral bed.

A. Check backwash, brine draw, and brine tank 

fill. Increase frequency of regeneration. Increase 

backwash time.

7. Excessive water in brine tank.

A. Plugged drain line flow control.

A. Clean flow control.

B. Plugged injector system.

B. Clean injector and screen.

C. Timer not cycling.

C. Replace timer.

D. Foreign material in brine valve.

D. Replace brine valve seat and clean valve.

E. Foreign material in brine line flow control. E. Clean brine line flow control.

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

C. Injector screen plugged.

C. Clean screen.

D. Line pressure is too low.

D. Increase line pressure to 20 psi  

(1.3 bar)

E. Internal control leak

E. Change seals, spacers, and piston assembly.

F. Service adapter did not cycle.

F. Check drive motor and switches.

9. Control cycles continuously.

A. Misadjusted, broken, or shorted switch.

A. Determine if switch or timer is faulty and replace 

it, or replace complete power head.

10. Drain flows continuously.

A. Valve is not programming correctly.

A. Check timer program and positioning of control. 

Replace power head assembly if not positioning 

properly.

B. Foreign material in control.

B. Remove power head assembly and inspect bore. 

Remove foreign material and check control in 

various regeneration positions.

C. Internal control leak.

C. Replace seals and piston assembly.

Содержание FLECK PROFLOSXT DOWNFLOW

Страница 1: ...www pentairaqua com FLECK MODEL PROFLOSXT DOWNFLOW SERVICE MANUAL...

Страница 2: ...mbing professional This unit is designed to be installed on potable water systems only This product must be installed in compliance with all state and municipal plumbing and electrical codes Permits m...

Страница 3: ...low A Downflow B Upflow C Upflow Variable 3 Meter Size A 3 4 inch Elec Paddlewheel B 3 4 inch Elec Turbine 4 System Type A System 4 1 Tank 1 Meter Immediate or Delayed Regeneration B System 4 Time Clo...

Страница 4: ...for cutting height of the distributor tube If there is no dimensional drawing cut the distributor tube flush with the top of the tank 5 Lubricate the distributor o ring seal and tank o ring seal Plac...

Страница 5: ...Indicator Service Icon Programming Icon Extra Cycle Button Up Button Down Button Error Information Icon Features of the SXT Power backup that continues to keep time and the passage of days for a minim...

Страница 6: ...the Extra Cycle button during a regeneration cycle immediately advances the valve to the next cycle step position and resumes normal step timing Control Operation During Programming The control only...

Страница 7: ...ty Factor Percentage of the system capacity to be used as a reserve RC Fixed Reserve Capacity Fixed volume to be used as a reserve DO Day Override The system s day override setting RT Regen Time The t...

Страница 8: ...entering Master Programming Mode The Display Format setting specifies the unit of measure that will be used for volume and how the control will display the Time of Day This option setting is identifi...

Страница 9: ...ING MODE CONTINUED 9 Safety Factor Display Code SF Press the Extra Cycle button Use this display to set the Safety Factor This setting specifies what percentage of the system capacity will be held as...

Страница 10: ...on for each day Use the Up and Down buttons to adjust the setting as needed Press the Extra Cycle button to accept the setting and move to the next day Note that the control requires at least one day...

Страница 11: ...s while in service and the time of day is NOT set to 12 01 PM 2 Use this display to adjust the Day Override This option setting is identified by DO in the upper left hand corner of the screen 3 Press...

Страница 12: ...in service 2 Press the Up button Use this display to view the current Flow Rate This option setting is identified by FR in the upper left hand corner of the screen 3 Press the Up button Use this displ...

Страница 13: ...42637 LABEL DISPLAY SXT 8 1 18260 COVER FRONT 9 1 19927 CAM D F SXT 10 1 18211 01 GEAR MAIN DOWNFLOW MACHD 11 1 18228 CAM BRINE VALVE 12 1 18202 BACK PLATE 13 1 40251 MOTOR 24v 50 60hz 14 2 13602 SCRE...

Страница 14: ...14 FLECK Model ProFloSXT Downflow Service Manual CONTROL VALVE ASSEMBLY...

Страница 15: ...lug Injector 27 2 13771 O ring 012 28 1 18275 X Throat Injector specify size 000 00 0 1 2 3 29 1 18274 X Nozzle Injector specify size 000 00 0 1 2 3 30 1 18273 Vortex Generator 31 1 18271 Screen Injec...

Страница 16: ...2 19569 Clip Flow Meter 3 1 19797 Meter Body Assembly 3 4 inch Turbine 4 4 13305 O ring 119 5 1 19791 01 Harness Assembly Flow Meter 1 19791 02 Meter Cable Assy 35 inch 6 19797 Meter 3 4 Turbine No C...

Страница 17: ...4 inch NPT Plastic 4B 1 13708 40 Yoke 1 inch Sweat 13708 45 Yoke 3 4 inch Sweat 19275 Yoke Angle 90 Deg 3 4 inch NPT 19275 45 Yoke Angle 90 Deg 3 4 inch Sweat 19620 01 Yoke Assy 3 4 inch R Angle 90 De...

Страница 18: ...11978 Plate Bypass Top 5 1 13604 01 Label Bypass Standard Mount 6 8 15727 Screw Hex Wsh Hd 10 24 x 1 2 7 1 11986 Plate Bypass Bottom For Service Assembly Numbers See the Back of this Manual 8 1 11979...

Страница 19: ...0 Fitting Sleeve 3 8 Celcon 7 1 10329 Fitting Tube 3 8 Nut Brass 8 1 10186 Nut Hex 10 32 9 1 60002 34 Air Check 500 34 inch Long 60003 34 Air Check 500 HW 34 inch Tube 10 1 10149 Rod Float 11 1 10700...

Страница 20: ...24 Nylon Black 5 1 19652 01 Poppet Assy SBV w O ring 6 1 19649 Flow Dispenser 7 1 11183 O ring 017 8 1 19647 Elbow Safety Brine Valve For Service Assembly Numbers See the Back of this Manual 9 2 19625...

Страница 21: ...e A Air in water system A Assure that well system has proper air eliminator control Check for dry well condition B Improperly sized drain line flow control B Check for proper drain rate 6 Iron in cond...

Страница 22: ...e been more than 99 days since the last Regeneration If the Day of the Week mode of regeneration is selected and days since last regeneration exceeds 7 days Regeneration must occur for the unit to rec...

Страница 23: ...FLECK Model ProFloSXT Downflow Service Manual 23 WATER CONDITIONER FLOW DIAGRAMS Service Position Backwash Position Brine Slow Rinse Position Rapid Rinse Position Brine Tank Fill Position...

Страница 24: ...24 FLECK Model ProFloSXT Downflow Service Manual FLOW DATA INJECTOR DRAW SLOW RINSE RATES...

Страница 25: ...FLECK Model ProFloSXT Downflow Service Manual 25 DIMENSIONAL DRAWING...

Страница 26: ...LACK ORANGE WT BLK BLACK WHITE GREEN BLUE BLUE WHITE BLUE WHITE BLUE PURPLE ORANGE BLACK WT BLK YELLOW BLACK BROWN METER P1 S N N H S VDO P2 N O H PWR H S CB1 50 60 HZ CB1 SXT Timer T1 24V Transformer...

Страница 27: ...e control in the Backwash position 9 Plug electrical cord into outlet 10 Set Time Of Day and cycle the control valve manually to assure proper function Make sure control valve is returned to the In Se...

Страница 28: ...y builds in the conditioner NOTE Be sure to shut off any bypass line 8 Replace the control valve back cover 9 Follow Injectors Screen Replacement steps 9 12 Meter Replacement To replace meter refer to...

Страница 29: ...INCHTUBE 60795 02 DISTRIBUTOR ASSY 1 INCH NARROW RED 008 W 72 INCH TUBE DRAIN LINE FLOW CONTROLS 60705 XX DRAIN LINE FLOW CONTROL FROM 6 7 0 GPM 60706 XX DRAIN LINE FLOW CONTROL W QUICK CONNECT FROM...

Страница 30: ...10 1 INCH BSP 13398NP 1 INCH NPT NICKEL PLATED 13398 10NP 1 INCH BSP NICKEL PLATED 18706 1 INCH PLASTIC MNPT 18706 10 1 INCH PLASTIC MBSP 18706 02 3 4 INCH PLASTIC MNPT 18706 12 3 4 INCH PLASTIC MBSP...

Страница 31: ...FLECK Model ProFloSXT Downflow Service Manual 31...

Страница 32: ...emarks and logos are the property of their respective owners Because we are continuously improving our products and services Pentair reserves the right to change specifications without prior notice Pe...

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