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4-1

SECTION 4: SERVICE INSTRUCTIONS

Problem

Cause

Solution

1)

Hard water, (unit 

NOT 

using salt; 

liquid level in brine tank 

NOT 

too 

high).

A.

Electrical service to unit interrupted.

A.

Assure permanent electrical service (check fuse, plug, 
pull chain or switch.)

B.

Timer not working.

B.

Replace timer motor.

C.

Timer improperly set.

C.

Increase frequency of regeneration and/or salt setting.

D.

Safety brine valve not opening.

D.

Replace safety brine valve.

E.

Salt “bridged” in brine tank.

E.

Breakup salt.

2)

Hard water, (unit using salt; liquid 
level in brine tank 

NOT 

too high).

A.

Bypass open.

A.

Close bypass (replace if necessary).

B.

Timer improperly set.

B.

Increase frequency of regeneration, or reset timer if 
needed.

C.

No salt in brine tank.

C.

Add salt; maintain above water level.

D.

Excessive water usage.

D.

Increase frequency of regeneration and/or salt setting 
(See Section 3).

E.

Unit  installed backwards.

E.

Reinstall unit.

F.

Unit undersized

F.

Replace with larger unit.

3)

Liquid level in brine tank TOO 
high.

A.

Brine valve not closing.

A.

Replace brine valve.

B.

Salt setting too high.

B.

Reset  timer.

C.

Injector screen plugged.

C.

Clean injector and screen.

D.

Drain line frozen, plugged or restricted.

D.

Free drain.

E.

Salt "mushed" or sand from salt plugging 
bottom of brine tank.

E.

Clean out brine tank (See Instructions, Section 7).

F.

Incorrect brine line fl ow control (BLFC).

F.

Replace with correct fl ow control (See Specifi cations).

4)

System regenerates at wrong 
time-of-day.

A.

Power outage occurred.

A.

Reset timer.

B.

Intermittent power.

B.  Locate and correct power supply, ensure it is not tied 

into a switched circuit.

5)

Water continuously fl ows to 
drain.

A.

Foreign material in control valve.

Remove piston assembly and inspect bore; remove 
foreign material and check control in various regen-
eration positions.

B.

Internal control leak.

Replace seals and/or piston assembly.

C.

Control valve jammed in brine or backwash 
position.

Replace piston, seals and spacers.

6)

Water tastes salty.

A.

Salt setting too high.

A.

Reset program cycle.

B.

Cyclone (distributor) tube too short.

B.

Replace.

7)

White spots on glassware and 
dark surfaces.

A.

Sodium residual resulting from water having 
very high hardness or total dissolved solids 
(TDS).

A.

Installation of additional water treatment equipment 
such as reverse osmosis or de  ization.

8)

Low water pressure (low fl ow 
rate).

A.

Iron build-up in line to water conditioner.

A.

Clean line to water conditioner.

B.

Iron build-up in water conditioner.

B.

Clean control and add Iron reduction media to resin 
bed; increase frequency of regeneration.

C.

Well pumping sand.

C.

Install sand trap.

D.

Pump losing capacity.

D.

Contact pump repair service.

9)

“Rotten egg” smell (from hot 
water 

ONLY

).

A.

Magnesium rod in water heater.

A.

Replace with aluminum rod or remove.

10)

“Rotten egg” smell (from both 
hot and cold water).

A.

Hydrogen sulfi de ("sulfur") in water supply.

A.

Install Sulfur Reduction System.

B.

Bacterial iron in water supply.

B.

Install Chem-Free Iron Reduction System.

C.

Algae in water supply.

C.

Pour approximately one cup unscented laundry 
bleach into brine well just before regeneration as 
frequently as necessary.

11)

Loss of resin through drain line.

A.

Air in water system.

A.

Assure that well system has proper air eliminator 
control; check for dry well condition.

B.

Incorrect Drain Line Flow Control (DLFC).

B.

Replace with correct DLFC.

Summary of Contents for NWS100

Page 1: ...ATION AND OPERATING INSTRUCTIONS NWS RESIDENTIAL WATER SOFTENERS MODELS NWS100 NWS100M NWS150 NWS150M NWS200 NWS200M INSTR2208 1111 Installer please leave with homeowner Homeowner retain for future re...

Page 2: ......

Page 3: ...nd filter media To request an MSDS relating to this product call 203 238 8965 or go to www 3M com select country and use the search engine to search MSDS For emergen cies call 800 364 3577 or 651 737...

Page 4: ......

Page 5: ...en Thoroughly Tested An analysis of your water should be made prior to the selection of your water softener You can typically get this service through your place of purchase which may require sending...

Page 6: ......

Page 7: ...the water softener See Specifications And Operat ing Data Section 5 IMPORTANT NOTE If sediment is present the installation of a sediment pre filter is recommended Even if sediment is not currently pre...

Page 8: ...ater treatment equipment products will vary depending on the control valve brand used 4 Before beginning the installation review the existing piping system and to determine the size number and type of...

Page 9: ...VALVE BRINE TANK WATER SOFTENER FILTER OPTIONAL SOFT WATER INCOMING WATER FILTERED WATER FILTERED CHECK VALVE WASTE DRAIN WASTE DRAIN CAUTION To reduce the risk associated with property damage due to...

Page 10: ...ill vary depending on the control valve brand used Step 4 Attach drain line to drain line fitting To prevent back pressure from reducing flow rate below minimum required for backwash the drain line MU...

Page 11: ...time of day refer to either Time Clock or Meter instructions on how to set backwashing control in Section 3 When shifting to daylight saving time and back you may wish to adjust time of day according...

Page 12: ...d initial salt fill to brine tank and one cup full of unscented laundry bleach Step 13 Put water softener through a complete regeneration to sanitize the system before use rrefer to either Time Clock...

Page 13: ...n Control to set correct frequency EXAMPLE You have Model NWS100 4 in family and 20 gpg adjusted hardness Refer to Regeneration Frequency Schedule for NWS Series 100 and locate box intersected by 4 in...

Page 14: ...ter is tonight Moving clockwise from the red pointer extend or retract fingers to obtain the desired regeneration schedule HOW TO SET THE TIME OF DAY 1 Press and hold the red button in to disengage th...

Page 15: ...arrow denotes remaining gallons exclusive of fixed reserve HOW TO SET THE TIME OF DAY 1 Press and hold the red button in to disengage the drive gear 2 Turn the large gear until the actual time of day...

Page 16: ...ied into a switched circuit 5 Water continuously flows to drain A Foreign material in control valve Remove piston assembly and inspect bore remove foreign material and check control in various regen e...

Page 17: ...x54 25x137 8x44 20x112 10x44 25x112 10x54 25x137 Overall Depth Height w Control Valve Inches cm 15x51 38x130 15x51 38x130 15x61 38x155 17x51 43x130 17x51 43x130 17x61 43x155 Brine Tank W x D x H Inche...

Page 18: ...3 Media H 050P 2 H 050P 3 H 050P 4 4 Turbulator 6236232 6236232 6236233 5 Brine Line Tubing 13000X 13000X 13000X 6 Brine Tank Complete Brine Tank Complete w Extension Kit BT1534X BT1534X BT1534X 7 Ove...

Page 19: ...6 2...

Page 20: ...049 18706 02X 1 Bypass Valve Assy 3 4 Bypass Valve Assy Optional 1 22601X Valve Cover Specify Model 26 18743 Motor 120v 60 Hz 27 11384 Motor Mtg Ground Screw 36 13547 Strain Relief 37 11842 Power Cord...

Page 21: ...6 4...

Page 22: ...Optional 1 22601X Valve Cover Specify Model 23 18743 Motor 120v 60 Hz 24 11384 Motor Mtg Ground Screw 38 14043 Flexible Cable 39 13547 Strain Relief 40 11842 Power Cord 110V 60Hz 53 13304 Distributor...

Page 23: ...with a garden hose 4 Reinstall salt grid platform and reconnect brine line 5 Add about 3 gals of water 6 gals for units with extended grid legs to brine tank before adding new salt Perform approximat...

Page 24: ...igation shall be at 3M Purification Inc s option to replace or repair the Product or refund the purchase price of the Product This warranty does not cover labor The remedy stated in this paragraph is...

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