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FLECK

 3150 Downflow Service Manual

Problem

Cause 

Correction

Water conditioner fails to 

regenerate.

Electrical service to unit has been 

interrupted

Assure permanent electrical service (check fuse, 

plug, pull chain, or switch)

Timer is defective.

Replace timer.

Power failure.

Reset time of day.

Hard water.

By-pass valve is open.

Close by-pass valve.

No salt is in brine tank.

Add salt to brine tank and maintain salt level above 

water level.

Injector screen plugged.

Clean injector screen.

Insufficient water flowing into brine tank.

Check brine tank fill time and clean brine line flow 

control if plugged.

Hot water tank hardness.

Repeated flushings of the hot water tank is 

required.

Leak at distributor tube.

Make sure distributor tube is not cracked. Check 

o-ring and tube pilot.

Internal valve leak.

Replace seals and spacers and/or piston.

Unit used too much salt.

Improper salt setting.

Check salt usage and salt setting.

Excessive water in brine tank.

See "Excessive water in brine tank".

Loss of water pressure.

Iron buildup in line to water conditioner.

Clean line to water conditioner.

Iron buildup in water conditioner.

Clean control and add mineral cleaner to mineral 

bed. Increase frequency of regeneration.

Inlet of control plugged due to foreign 

material broken loose from pipes by recent 

work done on plumbing system.

Remove piston and clean control.

Loss of mineral through 

drain line.

Air in water system.

Assure that well system has proper air eliminator 

control. Check for dry well condition.

Improperly sized drain line flow control.

Check for proper drain rate.

Iron in conditioned water.

Fouled mineral bed.

Check backwash, brine draw, and brine tank fill. 

Increase frequency of regeneration. Increase 

backwash time.

Excessive water in brine 

tank.

Plugged drain line flow control.

Clean flow control.

Plugged injector system.

Clean injector and screen.

Timer not cycling.

Replace timer.

Foreign material in brine valve.

Replace brine valve seat and clean valve.

Foreign material in brine line flow control.

Clean brine line flow control.

Softener fails to draw brine. Drain line flow control is plugged.

Clean drain line flow control.

Injector is plugged.

Clean injector

Injector screen plugged.

Clean screen.

Line pressure is too low.

Increase line pressure to 20 psi

Internal control leak

Change seals, spacers, and piston assembly.

Service adapter did not cycle.

Check drive motor and switches.

Control cycles continuously. Misadjusted, broken, or shorted switch.

Determine if switch or timer is faulty and replace 

it, or replace complete power head.

Drain flows continuously.

Valve is not programming correctly.

Check timer program and positioning of control. 

Replace power head assembly if not positioning 

properly.

Foreign material in control.

Remove power head assembly and inspect bore. 

Remove foreign material and check control in 

various regeneration positions.

Internal control leak.

Replace seals and piston assembly.

TROUBLESHOOTING

Summary of Contents for FLECK3150 DOWNFLOW

Page 1: ...waterpurification pentair com FLECK 3150 DOWNFLOW SERVICE MANUAL...

Page 2: ...D 1 inch Ext Range 1 150 26 350 gallon setting E 1 1 2 inch Std Range 625 10 625 gallon setting F 1 1 2 inch Ext Range 3 125 53 125 gallon setting G 2 inch Std Range 1 250 21 250 gallon setting H 2 i...

Page 3: ...he dimensional drawing 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...

Page 4: ...n the valve to the start of the brine tank fill cycle Ensure water goes into the brine tank at the desired rate The brine valve drive cam will hold the valve in this position to fill the brine tank fo...

Page 5: ...2 Locate the three screws behind the manual regeneration knob by pushing the red button in and rotating the 24 hour dial until each screw appears in the cut out portion of the manual regeneration knob...

Page 6: ...he manual regeneration knob by pushing the red button in and rotating the 24 hour dial until each screw appears in the cut out portion of the manual regeneration knob 3 Loosen each screw slightly to r...

Page 7: ...tainer post Timer Setting Procedure How To Change The Length Of The Backwash Time The program wheel as shown in the drawing is in the service position As you look at the numbered side of the program w...

Page 8: ...8 FLECK 3150 Downflow Service Manual 37 615023200 Rev A 3200 TIME CLOCK TIMER ASSEMBLY 36 38...

Page 9: ...nch Delrin 19 1 15465 Label Caution 20 1 19210 Program Wheel Assy 21 1 13911 Gear Main Drive Timer 22 17 41754 Pin Spring 1 16 x 5 8 SS Timer 23 1 13011 Arm Cycle Actuator 24 1 13864 Ring Skipper Whee...

Page 10: ...10 FLECK 3150 Downflow Service Manual 3210 METER DELAYED TIMER ASSEMBLY 41 42 61502 3210 Rev A 40 43...

Page 11: ...31 Clutch Drive Pinion 22 1 14276 Spring Meter Clutch 23 1 14253 Retainer Clutch Spring 24 3 11384 Screw Phil 6 32 x 1 4 25 1 13881 Bracket Hinge Timer 26 3 14087 Insulator 27 1 10896 Switch Micro 28...

Page 12: ...3150 Downflow Service Manual 3220 METER IMMEDIATE TIMER ASSEMBLY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 5 1 23 23 21 4 38 39 61502 3220 Rev...

Page 13: ...ng 21 3 11384 Screw Phil 6 32 x 1 4 Zinc 22 1 13881 Bracket Hinge Timer 23 3 14087 Insulator 24 1 15414 00 Micro Switch 25 1 15320 Switch Micro Timer 26 2 11413 Screw Pan Hd Mach 4 40 x 1 1 8 27 1 141...

Page 14: ...14 FLECK 3150 Downflow Service Manual 3230 REMOTE START TIMER ASSEMBLY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 8 8 3 3 24 24 24 23 21 25 26 27 22 61502 3230R REV A 30 29 28...

Page 15: ...1 30 RPM 19659 1 Motor 24V 60Hz 1 30 RPM 19660 1 Motor 230V 60Hz 1 30 RPM 16 2 13278 Screw Sltd Fillister Hd 17 1 15313 Label Caution 18 1 19210 05 Program Wheel Assembly 3200 20 1 15055 Main Drive G...

Page 16: ...FLECK 3150 Downflow Service Manual CONTROL VALVE ASSEMBLY 11 10 1 12 3 4 3 2 2 3 4 2 2 5 6 7 8 9 13 14 15 23 28 6 5 27 26 29 8 30 7A 31 32 9A 5A 24 25 16 17 18 19 20 21 22 33 61500 3150 Rev B 61414 Re...

Page 17: ...el Plated 15117 21 Adapter 3150 Metric Machined 14 1 15247 O ring 229 Not used with a rotating or fixed sidemount 15 1 13575 O ring 240 Not used with a fixed sidemount 15210 O ring 343 Park Tank Item...

Page 18: ...3150 Downflow Service Manual 30 24 22 19 12 15 18 16 17 25 26 27 43 13 14 6 20 7 11 5 8 21 39 40 9 44 45 46 41 42 3 1 38 37 36 35 34 32 30 31 29 28 15 33 4 23 2 61501 3150 Rev B CONTROL DRIVE ASSEMBL...

Page 19: ...ay 27 1 40174 Terminal Block Green Yellow 28 1 16046 Gear Drive 29 1 16050 Ring Retaining 30 1 11774 Ring Retaining Item No QTY Part No Description 31 1 16047 Link Drive 32 1 11709 Pin Drive Link 33 1...

Page 20: ...wnflow Service Manual 1800 SERIES BRINE SYSTEM AND DRAIN LINE FLOW CONTROL ASSEMBLY 60036 Rev C 50 49 48 47 45 44 42 50 49 48 46 45 44 43 15 16 40 30 41 39 31 29 32 33 34 35 36 37 38 20 27 22 23 24 25...

Page 21: ...Upflow Item No QTY Part No Description 60277 05 Injectory Assy 1800 5 Downflow 60272 05 Injector Assy 1800 5 Upflow 60277 06 Injector Assy 1800 6 Downflow 60277 07 Injector Assy 1800 7 Downflow 60272...

Page 22: ...ch M NPT 1 2 gpm 60710 2 0 BLFC 1 inch F x 1 inch M Item No QTY Part No Description Item No QTY Part No Description 1800 SERIES BRINE SYSTEM AND DRAIN LINE FLOW CONTROL ASSEMBLY CONTINUED NPT 2 0 gpm...

Page 23: ...inch Ext Plastic Pdl 8 4 12112 Screw Hex Hd Mach 10 24 x 1 2 18 8 Stainless Steel 15886 Screw Hex Hd M5 x 12 SS Metric 9 1 14679 O ring 227 Meter 10 1 14568 Fitting Nipple 2 inch 14568 10 Fitting Nip...

Page 24: ...Stainless Steel NPT Extended Range 1 61934 20 Meter Assy 2 inch Inline Stainless Steel BSP Standard Range 1 61934 21 Meter Assy 2 inch Inline Stainless Steel BSP Extended Range 3 1 44026 Union 2 inch...

Page 25: ...14834 Spacer Softwater Fill 6 1 16509 Plug End SVO 7 1 12977 O ring 015 8 1 15965 Fitting Bias 9 1 10249 Spring Brine Valve 10 1 10250 Ring Retaining 11 1 16498 02 Stem Guide Assy SVO 12 3 10332 Fitti...

Page 26: ...50 1A 1 61024 Actuator Assy 2350 Brine 2 1 60028 30 Float Assy 2350 30 inch Wht 1 60026 30SAN Float Assy 2350 30 inch Hot Water 3 1 60009 00 Air Check 900 Commercial Less Fittings 1 60009 01 Air Check...

Page 27: ...and reset program wheel to provide additional reserve Reason Program wheel is not rotating with meter output Correction Pull cable out of meter cover and rotate manually Program wheel must move witho...

Page 28: ...neral through drain line Air in water system Assure that well system has proper air eliminator control Check for dry well condition Improperly sized drain line flow control Check for proper drain rate...

Page 29: ...FLECK 3150 Downflow Service Manual 29 WATER CONDITIONER FLOW DIAGRAMS 1 Service Position 2 Backwash Position 3 Brine and Slow Rinse Position 4 Rapid Rinse 5 Brine Tank Refill Position...

Page 30: ...30 FLECK 3150 Downflow Service Manual FLOW DATA INJECTOR DRAW RATES TR20395...

Page 31: ...ET DRAIN 2 NPT OR BSP 8 55 217 2 57 65 3 7 43 188 8 16 16 410 5 8 82 224 DIMENSIONAL DRAWING 10 69 271 5 16 16 410 5 1 77 45 6 42 163 4 68 118 9 2 84 72 2 2 NPT OR BSP INLET 17 51 444 7 OUTLET 2 NPT O...

Page 32: ...k Installation with Optional Meter SYSTEM 5 Interlock Typical Twin Tank Installation with Optional Meter Interlock and No Hard Water Bypass SYSTEM 6 Twin Series Regeneration Installation with a Remote...

Page 33: ...FLECK 3150 Downflow Service Manual 33 VALVE WIRING System 4 Immediate Delayed Regeneration Valve Wiring 18669 Rev E...

Page 34: ...34 FLECK 3150 Downflow Service Manual VALVE WIRING CONTINUED System 4 Remote Signal Start Valve Wiring 40500 Rev C...

Page 35: ...FLECK 3150 Downflow Service Manual 35 VALVE WIRING CONTINUED System 5 Duplex Valve Wiring 18690 01 Rev E 18690 02 Rev E...

Page 36: ...36 FLECK 3150 Downflow Service Manual VALVE WIRING CONTINUED System 6 Duplex Valve Wiring 18671 01 Rev E 18671 02 Rev E...

Page 37: ...FLECK 3150 Downflow Service Manual 37 VALVE WIRING CONTINUED System 7 Duplex 24V 120V 3 Way Valve Wiring 40503 01 Rev C 40503 02 Rev C...

Page 38: ...38 FLECK 3150 Downflow Service Manual VALVE WIRING CONTINUED System 7 Duplex 230V 3 Way Valve Wiring 40504 01_REVC 40504 02_REVC...

Page 39: ...0 Air Check Less Fittings 18602 Kit Fitting 1700 Brine 900 Air Check 18603 Kit Fitting 1700 Brine 2350 Safety Drain Line Flow Controls DLFC 60711 00 2 inch NPT Less BTTNS w 2 Holes 60711 000 2 inch NP...

Page 40: ...RPURIFICATION PENTAIR COM CUSTOMER CARE 800 279 9404 tech support pentair com For a detailed list of where Pentair trademarks are registered please visit waterpurification pentair com brands Pentair t...

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