Sterling Water Treatment FS FSM and FES Series Water Softening System Owner’s Manual

June 12, 2024
Sterling Water Treatment

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Installation Instructions and Owner’s Manual
FS, FSM, & FES Series
Water Softening System

Sterling Water Treatment FS FSM and FES Series Water Softening System
-

MODEL NUMBERS:

Time Clock| Mechanical Metered
FSL Series| FSLM Series
FS Series| FSM Series
High Efficiency| High Efficiency
FSL-HE Series| FSLM-HE Series
FS-HE Series| FSM-HE Series

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig1

 MODEL NUMBERS: Electronic Metered

FECS Series| FES Series
High Efficiency
FECS-HE Series| FES-HE Series

Franklin Water Treatment, LLC
12630 US Highway 33 N
Churubusco, IN 46723
Phone260-693-1972 Fax 260-693-0602
FS-FSM-FES Series Instruction Manual 221114.docx

Pre-installation Instructions

Description of the water softener system
This water softener system includes a brine (salt) tank and a resin (media) tank with a backwashing control valve. Incoming water flows into the control valve and is directed down through the ion exchange softening resin. This resin exchanges the hardness ions for softer ions. The softened water then returns to the control valve where it is directed into the service lines.
Periodically the control valve will go through a regeneration cycle. The frequency of this regeneration process will depend on the size of water softener, incoming water quality and amount of water used. This cycle is factory preset to begin at 2:00 A.M. At this time the control valve will draw the brine solution out of the salt tank and flush both the accumulated hardness and excess salt to the drain. The control valve will then put fresh water back into the salt tank to make brine for the next regeneration cycle.
Water Quality
The water should be tested to determine the concentration, or levels of the items listed below:
Hardness – Hardness in drinking water is defined as those minerals that dissolve in water having a positive electrical charge (cat ions). The primary components of hardness are calcium (Ca++) and magnesium (Mg++) ions. But dissolved iron (Fe++) and manganese (Mn++) also contribute to total “adjusted” hardness. Hardness produces scale, soap scum and white mineral deposits which shorten the life of water using appliances, plumbing and fixtures. Water that has less than 1 grain of hardness is considered to be “soft” water.
pH – A measurement of the acidity of the water. pH is reported on a scale from 0 to 14. Neutral water has a pH of 7.0, lower values indicate acidic water. If your pH is below 6.8 you may consider installing an acid neutralizer before the water softener to elevate the pH.
Iron – A naturally occurring metallic element. Iron levels in excess of 0.3 milligrams/liter (mg/l) combine with oxygen causing orange or red (rust) stains on plumbing fixtures. Iron exists in some water sources in clear water (ferrous) state, red water (ferric) state or bacterial form. Iron levels that exceed 2.0 mg/l require special ion exchange resin for reduction, or if bacterial or ferric (red water) iron is present or iron level exceeds 4.0 mg/l, an iron filter should be installed ahead of this water softener.
Manganese – A naturally occurring metallic element. Manganese levels as low as 0.05 milligrams/liter (mg/l) can combine with oxygen to cause dark brown or black staining on fixtures. Additionally, manganese can cause an odor in the water similar to a “rotten egg” smell. This water softener may reduce manganese as well as iron; however, an iron filter may be required in some cases.
Tannin – A naturally occurring humic acid. Tannin is caused by water passing through decaying vegetation. Coffee and Tea are prime examples of tannin in water. Tannin levels as low as 0.5 milligrams per liter can cause a yellow discoloration in water. Consult your dealer for a system designed to remove both tannin and hardness.
Hydrogen Sulfide – A naturally occurring gas. Hydrogen sulfide, more commonly referred to as sulfur gas, causes a distinct odor similar to “rotten eggs.” Due to its gaseous nature, hydrogen sulfide must be tested at the well site within 1 minute of drawing the sample. If sulfur is present additional equipment will be required. The OXY3 iron filter can typically treat up to 2 milligrams per liter of sulfur gas.

Pre-installation Instructions (cont.)
Location Considerations

The proper location to install the water softener system will ensure optimum performance and satisfactory water quality. The following factors should be considered in selecting the location of the equipment.

  1. The water softener should be installed after the pressure tank on a private well system or after the water meter on municipal water. Operating pressure of the softener must be limited to within 30 – 100 psi range.
  2. The water softener should be installed as close as possible (preferably within 15’) to an adequate floor or laundry drain capable of handling the backwash cycle volume and flow rate (refer to unit specifications).
  3. All water conditioning equipment should be installed prior to the water heater. Water temperatures exceeding 100°F can damage the internal components of the control valve and filter tank. Install with at least 10’ of pipe before the water heater to prevent thermal damage to the equipment. An expansion tank may need to be installed in the line to the water heater in order to allow for thermal expansion and comply with local plumbing codes.
  4. The water softener should not be subject to freezing temperatures.
  5. Ensure that any cartridge or in-line type filter installed prior to the water softener does not restrict the water flow and pressure available for backwash and interfere with normal operation. 6. Appliances requiring extended periods of continuous or high flow water use (i.e. geothermal heat pumps, swimming pools, lawn irrigation, outside hose bibs, etc.) should bypass the water softener. (see installation diagram Fig. 1).

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig2

Installation Instructions

STEP 1: Carefully remove all components from packaging. DO NOT DISCARD PACKAGING until all water softener components and fittings have been located.
STEP 2: Use clips and screws provided and attach bypass valve to the inlet/outlet of the control valve. See figure 2 below.
IMPORTANT: Mechanical metered (FSM) units require the installer to insert the meter cable into the top of the meter module.

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig3

STEP 3: Place unit at desired installation position. DO NOT plug into electrical outlet at this time (see STEP 10 on page 6). DO NOT put salt into brine tank at this time (see STEP 16 on page 6).
STEP 4: Shut off water at main supply. Relieve pressure by opening nearest faucet. On private well systems, turn off power to pump and drain pressure tank. SHUT OFF POWER OR FUEL SUPPLY TO WATER HEATER.
STEP 5: Cut main supply line as required to fit plumbing to inlet and outlet of bypass valve. DO NOT PLUMB INLET AND OUTLET BACKWARDS. Piping should be supported. Do not apply heat to any fitting attached to the bypass or control valve.
STEP 6: Use polyethylene drain line tubing provided (NO VINYL TUBING) to run drain line from control valve discharge fitting to floor drain or sump pit capable of handling the backwash rate of the softener (refer to specifications and flow rate on page 15). DISCHARGE END OF THE DRAIN LINE MUST BE FIRMLY SECURED! There must be an air gap at the end of the drain line to prevent siphoning of waste water and meet plumbing code. Total length of drain line should be 15’ or less. AVOID OVERHEAD DRAINS.
Installation Instructions (cont.)
STEP 7:
Connect one end of the provided 3/8” brine line to the control valve quick connect fitting. Insert the other end of the brine line through the hole in the brine tank and into the quick connect fitting on the safety brine valve. Remove the quick connect collet retainer clip (if included) before inserting the brine line into each fitting, press the tube in very firmly and replace the retainer clip behind the collet.
NOTE: THE BRINE TUBING SHOULD BE INSERTED 5/8” INTO THE FITTING. DO NOT PUT SALT INTO THE BRINE TANK AT THIS TIME.

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig4

STEP 8:
Install overflow tubing from overflow elbow on brine tank to floor drain. Tubing must be lower than overflow elbow at all times. DO NOT CONNECT DRAIN LINE FROM SOFTENER CONTROL VALVE TO BRINE TANK OVERFLOW. DO NOT CONECT BRINE TANK DRAIN LINE TO THE SOFTENER DRAIN LINE.
STEP 9: Place bypass valve in the “Bypass” position (refer to Figures 4 below). Open main supply valve or turn on power to pump on private well systems.

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig5


Installation Instructions (cont.)
STEP 10:
For all models except FES Series, plug the softener into an unswitched electrical outlet and slowly rotate the Manual Regeneration Knob (see Fig. 5, page 7 or Fig. 6, page 10) clockwise until two clicks are heard. This is the “BACKWASH” position.
For the FES Series, plug the transformer into an un-switched electrical outlet and attach the power cord into the control valve. Then press and hold down the center “ADVANCE” button until “GO TO BW” appears on the screen (see Fig. 8, page 12). Wait until the  valve reaches the backwash position before going to STEP 11 (a countdown timer will appear on the display).
STEP 11:
Unplug the softener from the electrical outlet to keep it in the backwash position.
Refer to Figure 4 (page 5) for appropriate bypass valve operation. Rotate bypass lever of stainless steel bypass ¼ of the way to “Service” allowing unit to fill slowly. You should hear water trickling into the mineral tank. Filling the mineral tank in this position will force any trapped air to the drain. When all air has been purged from the system and only water is running to the drain, slowly open the bypass valve fully to the service position.
STEP 12:
Add enough water to the brine tank to a level approximately 1” above the top level of the salt grid.
STEP 13:
Plug the softener back into the electrical outlet.
For all models except FES Series, slowly rotate the Manual Regeneration Knob clockwise until two clicks are heard. This is the “BRINE DRAW” position. Verify that the water level in the brine tank is dropping. Allow water level to drop below the top level of the salt grid before continuing. If the water level does not drop, refer to page 25 for Troubleshooting. Otherwise, advance the control valve to the “FAST RINSE” position by continuing to rotate the knob clockwise until seven more clicks are heard. Allow the softener to complete the remainder of the regeneration cycles automatically which includes “BRINE REFILL” to put water into the brine tank.
For the FES Series, press the center “ADVANCE” button briefly and the control valve will go to the “BRINE DRAW” position (“GO TO DR” will display). Once the cycle countdown begins, verify that the water level in the brine tank is dropping. Allow water level  to drop below the salt grid before continuing. If the water level does not drop, refer to page 26 of Troubleshooting. Otherwise, advance the control valve to the “BRINE REFILL” cycle by continuing to press the “ADVANCE” button briefly each time a cycle countdown begins until the “GO TO BR” is displayed. Allow the softener to complete the “BRINE REFILL” cycle automatically to put water into the brine tank.
STEP 14:
Check for leaks and correct as necessary.
STEP 15:
Turn on power or fuel supply back on to water heater.
STEP 16:
Set the current time of day on the timer (note AM and PM) (refer to Fig. 5, Fig. 6 or Fig. 8, depending on the model number).
STEP 17:
Set the regeneration frequency (refer to Fig. 5, Fig. 6, or Fig. 8 depending on the model number).
STEP 18:
Fill the brine tank with salt.

FS Series Time Clock Setting Instructions

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig6

How to set Time of Day:

  1.  Press and hold the red button to disengage the 24 hour gear.
  2. Turn the large 24 hour gear until the actual time of day is at the time of day arrow.
  3.  Release the red button to again engage the 24 hour gear.

How to set the Days of Regeneration:
Calculate the Adjusted Hardness by multiplying the iron concentration (ppm) by 3, the manganese concentration (ppm) by 5 and adding to the water hardness test results (grains).
Example:
Hardness = 25 gpg (grains per gallon)
Iron = 1.0 ppm (parts per million)
Manganese = 0.2 ppm (parts per million)
Adjusted Hardness = 29 gpg
[25 + (3 x 1.0) + (5 x 0.2)] 25 + 3 + 1 = 29

  1. Refer to the appropriate table for your water softener model number (pages 8 and 9) to determine how many TIMES in a 12 day cycle the softener should regenerate. If the adjusted hardness falls between two numbers on the chart always use the higher number (never round down).
    Example:
    Water Softener Model FS30
    3 people in family
    Adjusted hardness 29 gpg
    Result: Set softener to regenerate 4 TIMES in 12-day cycle (once every 3 days)

  2. Rotate the skipper wheel until the number 1 is at the red pointer. Each number represents a day.
    The number by the red pointer is tonight.

  3. Slide the metal tabs outward on the desired days of regeneration.

How to Manually Initiate a Regeneration Cycle:

  1. Grab the manual regeneration knob and turn clockwise SLIGHTLY. The drive gear will engage the backwash knob which will make a complete revolution and return to the “Service” position after the regeneration cycle.

FS Series Time Clock Setting Instructions (cont.)

People Adjusted Hardness — Grains per Gallon
5 10
1 1
2 1
3 1
4 1
5 2
6 2
7 2

TABLE 1: Model Number FS24, FSL24

**People** Adjusted Hardness — Grains per Gallon
5 10
45 50
1 1
2 1
3 1
4 1
5 1
6 2
7 2
8 2
9 2
10 2

TABLE 2: Model Number FS30, FSL30, FSI34


People

| Adjusted Hardness — Grains per Gallon
---|---
5| 10| 15| 20| 25| 30| 35| 40| 45| 50
1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2
2| 1| 1| 1| 1| 2| 2| 2| 2| 3| 3
3| 1| 1| 2| 2| 2| 3| 3| 3| 4| 4
4| 1| 1| 2| 2| 3| 3| 4| 4| 6| 6
5| 1| 2| 2| 3| 4| 4| 6| 6| 6|
6| 1| 2| 3| 3| 4| 6| 6| 6|  |
7| 1| 2| 3| 4| 6| 6|  |  |  |
8| 1| 2| 3| 4| 6| 6|  |  |  |
9| 2| 3| 4| 6| 6|  |  |  |  |
10| 2| 3| 4| 6|  |  |  |  |  |

TABLE 3: Model Number FS45, FSI48

FS Series Time Clock Setting Instructions (cont.)

**People** Adjusted Hardness — Grains per Gallon
5 10
45 50
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1

TABLE 4: Model Number FS60, FSI68


People

| Adjusted Hardness — Grains per Gallon
---|---
5| 10| 15| 20| 25| 30| 35| 40| 45| 50| 55| 60| 65| 70
1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2
2| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 3
3| 1| 1| 1| 1| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4
4| 1| 1| 1| 2| 2| 2| 3| 3| 3| 3| 4| 4| 4| 6
5| 1| 1| 2| 2| 2| 3| 3| 3| 4| 4| 6| 6| 6| 6
6| 1| 1| 2| 2| 3| 3| 4| 4| 6| 6| 6| 6| 6|
7| 1| 2| 2| 3| 3| 4| 4| 6| 6| 6| 6|  |  |
8| 1| 2| 2| 3| 3| 4| 6| 6| 6| 6|  |  |  |
9| 1| 2| 3| 3| 4| 6| 6| 6|  |  |  |  |  |
10| 1| 2| 3| 3| 4| 6| 6| 6|  |  |  |  |  |

TABLE 5: Model Number FS75

FSM Series Meter Setting Instructions

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig7

How to set Time of Day:

  1. Press and hold the red button to disengage the 24 hour gear.
  2. Turn the large 24 hour gear until the actual time of day is at the time of day arrow.
  3. Release the red button to again engage the 24 hour gear.

How to set the Frequency of Regeneration:

  1. Calculate the Adjusted Hardness by multiplying the iron concentration (ppm) by 3 and adding to the water hardness test results.
    Example: Hardness = 25 gpg (grains per gallon)
    Iron = 1.0 ppm (part per million)
    Manganese = 0.2 ppm (parts per million)
    Adjusted Hardness = 29 gpg
    [25 + (3 x 1.0) + (5 X 0.2)] 25 + 3 +1 = 29

  2. Lift the “People Dial” on the gallon setting wheel.

  3. Rotate the “People Dial” until the number of people in the household is aligned with the adjusted water hardness.

  4.  Release the “People Dial” and ensure that it reengages the gallon wheel.

How to Manually Initiate a Regeneration Cycle:

  1. Grab the manual regeneration knob and turn clockwise SLIGHTLY.
    The drive gear will engage the backwash knob which will make a complete revolution and return to the “Service” position after the regeneration cycle.

FS & FSM Series Adjustable Regeneration Time Instructions

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig8

How to Adjust Regeneration Time:

  1. Disconnect the power source.
  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.
  3. Loosen each screw slightly to release the pressure on the time plate from the 24 hour gear.
  4.  Locate the regeneration time pointer on the inside of the 24 hour dial in the cut out.
  5.  Turn the time plate so the desired regeneration time aligns next to the raised arrow.
  6.  Push the red button in and rotate the 24 hour dial. Tighten each of the three screws.
  7. Push the red button and locate the pointer one more time to ensure the desired regeneration time is correct.
  8. Reset the time of day and restore power to the unit.

FECS & FES Series Programming

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig9

SET BUTTON

  1. Press and hold “Set Button” for 5 seconds to enter Programming Mode.
  2.  When valve is in Programming Mode, press “Set Button” to confirm setting and advance to next menu option.

ADVANCE BUTTON

  1. Press and hold “Advance Button” for 5 seconds to initiate an immediate regeneration cycle.
  2. Press and release “Advance Button” during a regeneration cycle to immediately advance the valve to the next step in the regeneration process.
  3.  When the valve is in Programming Mode, press the “Advance Button” to move the cursor.

UP BUTTON

  1. When the valve is in the Programming Mode, press “Up Button” to adjust setting.

Enter Programming Mode:
Press and Hold the SET Button for 5 seconds.

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig10

Specifications

DESCRIPTION

| UNIT MODEL NUMBER
---|---
FSL24| FSL30| FS24| FS30| FS45| FS60| FS75
FSLM24| FSLM30| FSM24| FSM30| FSM45| FSM60| FSM75
MEDIA VOLUME, ft3| 0.75| 1.0| 0.75| 1.0| 1.5| 2.0| 2.5
CAPACITY, grains|  |  |  |  |  |  |
@Factory Salt – 9lb/ft3| 18,000| 24,000| 18,000| 24,000| 36,000| 48,000| 60,000
@Max. Salt – 15lb/ft3| 22,500| 30,000| 22,500| 30,000| 45,000| 60,000| 75,000
SERVICE FLOW RATES, gpm|  |  |  |  |  |  |
Continuous (3 gpm/ ft3)| 2| 3| 2| 3| 5| 6| 8
Service (8 gpm/ ft3)| 6| 8| 6| 8| 12| 13| 14
Peak*| 16| 16| 13| 14| 14| 16| 16
BACKWASH & RAPID RINSE, gpm| 2.4| 3.0| 1.5| 2.4| 3.0| 4.0| 4.0
INJECTOR| #1 – white| #1 – white| #1 – white| #1 – white| #1 – white| #2 – blue| #2 – blue
SERVICE PIPE LINES, inches| ¾”| ¾”| ¾”| ¾”| ¾”| ¾”| ¾”
For 1” add “-1S” suffix to model #|  |  |  |  |  |  |
TOTAL WATER USED, gallons| 43| 48| 36| 43| 56| 93| 95
DIMENSIONS in.|  |  |  |  |  |  |
Mineral Tank (diameter x height)| 10 x 35| 10 x 35| 8 x 44| 9 x 48| 10 x 54| 12 x 48| 13 x 54
Brine Tank (diameter x height)| 12 x 34| 12 x 34| 14 x 34| 14 x 34| 14 x 34| 18 x 33| 18 x 33
Overall (depth x width x height)| 12 x 23 x 44| 12 x 23 x 44| 14 x 23 x 53| 14 x 24 x 57| 14 x 25 x 63| 18 x 27 x 57| 18 x 32 x 63
APPROX. SHIP WEIGHT lbs.| 86| 104| 86| 107| 140| 165| 216
 |  |  |  |  |  |  |

DESCRIPTION

| UNIT MODEL NUMBER
FSL24-HE| FSL30-HE| FS24-HE| FS30-HE| FS45-HE| FS60-HE| FS75-HE
FSLM24-HE| FSLM30-HE| FSM24-HE| FSM30-HE| FSM45-HE| FSM60-HE| FSM75-HE
MEDIA VOLUME, ft3| 0.75| 1.0| 0.75| 1.0| 1.5| 2.0| 2.5
CAPACITY, grains|  |  |  |  |  |  |
@Factory Salt – 6lb/ft3| 20,250| 27,000| 20,250| 27,000| 40,500| 54,000| 67,500
@Max. Salt – 15lb/ft3| 27,000| 36,000| 27,000| 36,000| 54,000| 72,000| 90,000
SERVICE FLOW RATES, gpm|  |  |  |  |  |  |
Continuous (3 gpm/ ft3)| 2| 3| 2| 3| 5| 6| 8
Service (8 gpm/ ft3)| 6| 8| 6| 8| 12| 15| 15
Peak*| 18| 18| 16| 17| 17| 18| 18
BACKWASH & RAPID RINSE, gpm| 2.4| 3| 1.5| 2.4| 3.0| 4.0| 4.0
INJECTOR| #1 – white| #1 – white| #1 – white| #1 – white| #1 – white| #2 – blue| #2 – blue
SERVICE PIPE SIZE, inches| ¾”| ¾”| ¾”| ¾”| ¾”| ¾”| ¾”
For 1” add “-1S” suffix to model #|  |  |  |  |  |  |
TOTAL WATER USED, gallons| 42| 47| 35| 42| 55| 91| 92
DIMENSIONS in.|  |  |  |  |  |  |
Mineral Tank (diameter x height)| 10 x 35| 10 x 35| 8 x 44| 9 x 48| 10 x 54| 12 x 48| 13 x 54
Brine Tank (diameter x height)| 12 x 34| 12 x 34| 14 x 34| 14 x 34| 14 x 34| 18 x 33| 18 x 33
Overall (depth x width x height)| 12 x 23 x 44| 12 x 23 x 44| 14 x 23 x 53| 14 x 24 x 57| 14 x 25 x 63| 18 x 27 x 57| 18 x 32 x 63
APPROX. SHIP WEIGHT lbs.| 86| 104| 86| 107| 140| 165| 216

ENERAL REQUIREMENTS:

Water Temperature 33°F – 100°F
Water Pressure 30 – 100 psi
Electrical Requirements 110v/60hz
Electrical Current Draw 0.5 amps

NOTES:
*The control valve can handle flow rates greater than peak flow rates shown above.

Specifications (cont.)

DESCRIPTION UNIT MODEL NUMBER
FSI34 FSI48
FSIM34 FSIM48
MEDIA VOLUME, ft 3 1
CAPACITY, grains  
@Factory Salt – 9lb/ft3 24,000
@Max. Salt – 15lb/ft3 30,000
SERVICE FLOW RATES, gpm  
Continuous (2 gpm/ ft3) 2
Service (5 gpm/ ft3 ) 5
Peak* 14
BACKWASH & RAPID RINSE, gpm 1.5
INJECTOR #1 – white
SERVICE PIPE SIZE, inches ¾”
For 1” add “-1S” suffix to model #  
TOTAL WATER USED, gallons 36
DIMENSIONS in.  
Mineral Tank (diameter x height) 9 x 48
Brine Tank (diameter x height) 14 x 34

18 x 33
Overall (depth x width x height)| 14 x 24 x 57| 14 x 25 x 63| 18 x 27 x 57
APPROX. SHIP WEIGHT lbs.| 107| 140| 165
DESCRIPTION| UNIT MODEL NUMBER
---|---
FECS24| FECS30| FES24| FES30| FES45| FES60| FES75
MEDIA VOLUME, ft 3| 0.75| 1.0| 0.75| 1.0| 1.5| 2.0| 2.5
CAPACITY, grains|  |  |  |  |  |  |
@Factory Salt – 9lb/ft3| 18,000| 24,000| 18,000| 24,000| 36,000| 48,000| 60,000
@Max. Salt – 15lb/ft3| 22,500| 30,000| 22,500| 30,000| 45,000| 60,000| 75,000
SERVICE FLOW RATES, gpm|  |  |  |  |  |  |
Continuous (3 gpm/ ft3)| 2| 3| 2| 3| 5| 6| 8
Service (8 gpm/ ft3)| 6| 8| 6| 8| 12| 13| 14
Peak*| 16| 16| 13| 14| 14| 16| 16
BACKWASH & RAPID RINSE, gpm| 2.4| 3.0| 1.5| 2.4| 3.0| 4.0| 4.0
INJECTOR| #1 – white| #1 – white| #1 – white| #1 – white| #1 – white| #2 – blue| #2 – blue
SERVICE PIPE LINES, inches (cm)| ¾”| ¾”| ¾”| ¾”| ¾”| ¾”| ¾”
For 1” add “-1S” suffix to model #|  |  |  |  |  |  |
FACTORY REGENERATION SETTINGS|  |  |  |  |  |  |
Default size setting| SMALL| SMALL| SMALL| SMALL| MEDIUM| LARGE| LARGE
Backwash (minutes)| 6| 6| 6| 6| 6| 8| 8
Brine draw (minutes)| 55| 55| 55| 55| 60| 60| 60
Fast Rinse (minutes)| 4| 4| 4| 4| 6| 6| 6
Brine Refill (minutes)| 3| 3| 3| 3| 4| 6| 6
TOTAL WATER USED, gallons| 43| 48| 36| 43| 56| 93| 95
DIMENSIONS in.|  |  |  |  |  |  |
Mineral Tank (diameter x height)| 10 x 35| 10 x 35| 8 x 44| 9 x 48| 10 x 54| 12 x 48| 13 x 54
Brine Tank (diameter x height)| 12 x 34| 12 x 34| 14 x 34| 14 x 34| 14 x 34| 18 x 33| 18 x 33
Overall (depth x width x height)| 12 x 23 x 44| 12 x 23 x 44| 14 x 23 x 53| 14 x 24 x 57| 14 x 25 x 63| 18 x 27 x 57| 18 x 32 x 63
APPROX. SHIP WEIGHT lbs.| 86| 104| 86| 107| 140| 165| 216

GENERAL REQUIREMENTS:

Water Temperature 33°F – 100°F
Water Pressure 30 – 100 psi
Electrical Requirements 110v/60hz
Electrical Current Draw 0.5 amps

NOTES:
*The control valve can handle flow rates greater than peak flow rates shown above.

Component Parts Breakdown

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig11

Ref

|

Description

| Model Number
---|---|---
FSL24 2 FSLM24FECS24 2| FSL30 2 FSLM30FECS30 2| FS24 2 FSM24FES24 2| FS30 2 FSM30FES30 2| FS45 2 FSM45FES45 2| FS60 2 FSM60FES60 2| FS75 2 FSM75FES75 2

A

| Timeclock Valve w/ 3/4”SS bypass| FSL242 Vlv Assy W/BP| FSL302 Vlv

Assy W/BP

| FS242 Vlv Assy W/BP| FS302 Vlv Assy W/BP| FS452 Vlv Assy W/BP| FS602 Vlv Assy W/BP| FS602 Vlv Assy W/BP
Metered Valve w/ 3/4” SS bypass| FSLM242 Vlv Assy W/BP| FSLM302 Vlv Assy W/BP| FSM242 Vlv Assy W/BP| FSM302 Vlv Assy W/BP| FSM452 Vlv Assy W/BP| FSM602 Vlv Assy W/BP| FSM602 Vlv Assy W/BP
Elect. Meter Vlv w/3/4” SS bypass| FECS242 Vlv Assy W/BP| FECS302 Vlv Assy W/BP| FES242 Vlv Assy W/BP| FES302 Vlv Assy W/BP| FES452 Vlv Assy W/BP| FES602 Vlv Assy W/BP| FES602 Vlv Assy W/BP
B| Mineral Tank| MTP1035GR| MTP1035GR| MTP0844GR| MTP0948GR| MTP1054GR| MTP1248GR| MTP1354GR
C| Distributor| D100S-48| D100S-48| D100S-48| D100S-48| D100S-54| D100S-48| D100S-54
D| Resin| (1.5) H05P| (2) H05P| (1.5) H05P| (2) H05P| (3) H05P| (4) H05P| (5) H05P
E| 1/4” X 1/8” Gravel| (1) QC20| (1) QC20| (1) QC20| (1) QC20| (1) QC20| (1) QC20| (1.5) QC20
F| Brine Tank Assy.| BT1234ASSY-FS| BT1234ASSY-FS| BT1434ASSY-FS| BT1434ASSY- FS| BT1434ASSY-FS| BTSQ1833ASSY-FS| BTSQ1833ASSY-FS
G| Overflow Fitting| BT-OVERFLO| BT-OVERFLO| BT-OVERFLO| BT-OVERFLO| BT- OVERFLO| BT-OVERFLO| BT-OVERFLO
H| Safety Brine Valve| SBV33ASSY| SBV33ASSY| SBV33ASSY| SBV33ASSY| SBV33ASSY| SBV33ASSY| SBV33ASSY
I| Salt Platform| BTSG12| BTSG12| BTSG14| BTSG14| BTSG14| BTSG18SQ| BTSG18SQ
J| Bypass2 Stainless Steel| 60040SS2| 60040SS2| 60040SS2| 60040SS2| 60040SS2| 60040SS2| 60040SS2

Notes:

  1. Refer to pages 19 – 24 for complete control valve breakdown.
  2.  -1S suffix for 1” FPT stainless steel bypass (60041SS)

Component Parts Breakdown (cont.)

Ref

|

Description

| Model Number
---|---|---
FSL24-HE 2 FSLM24-HE 2| FSL30-HE 2 FSLM30-HE 2| FS24-HE 2 FSM24-HE 2| FS30-HE 2 FSM30-HE 2| FS45-HE 2 FSM45-HE 2| FS60-HE 2 FSM60-HE 2| FS75-HE 2 FSM75-HE 2

A

| Timeclock Valve w/ 3/4” SS bypass| FSL24-HE2 Vlv Assy W/BP| FSL30-HE2 Vlv Assy W/BP| FS24-HE2 Vlv Assy W/BP| FS30-HE2 Vlv Assy W/BP| FS45-HE2 Vlv Assy W/BP| FS60-HE2 Vlv Assy W/BP| FS60-HE2 Vlv Assy W/BP
Metered Valve w/ 3/4” SS bypass| FSLM24-HE2 Vlv Assy W/BP| FSLM30-HE2 Vlv Assy W/BP| FSM24-HE2 Vlv Assy W/BP| FSM30-HE2 Vlv Assy W/BP| FSM45-HE2 Vlv Assy W/BP| FSM60-HE2 Vlv Assy W/BP| FSM60-HE2 Vlv Assy W/BP
B| Mineral Tank| MTP1035GR| MTP1035GR| MTP0844GR| MTP0948GR| MTP1054GR| MTP1248GR| MTP1354GR
C| Distributor| D100S-48| D100S-48| D100S-48| D100S-48| D100S-54| D100S-48| D100S-54
D| Resin| (1.5) UHE05P| (2) UHE05P| (1.5) UHE05P| (2) UHE05P| (3) UHE05P| (4) UHE05P| (5) UHE05P
E| 1/4” X 1/8” Gravel| (1) QC20| (1) QC20| (1) QC20| (1) QC20| (1) QC20| (1) QC20| (1.5) QC20
F| Brine Tank Assy.| BT1234ASSY-FS| BT1234ASSY-FS| BT1433ASSY-FS| BT1433ASSY- FS| BT1433ASSY-FS| BTSQ1833ASSY-FS| BTSQ1833ASSY-FS
G| Overflow Fitting| BT-OVERFLO| BT-OVERFLO| BT-OVERFLO| BT-OVERFLO| BT- OVERFLO| BT-OVERFLO| BT-OVERFLO
H| Safety Brine Valve| SBV33ASSY| SBV33ASSY| SBV33ASSY| SBV33ASSY| SBV33ASSY| SBV33ASSY| SBV33ASSY
I| Salt Platform| BTSG12| BTSG12| BTSG14| BTSG14| BTSG14| BTSG18SQ| BTSG18SQ
J| Bypass2 (stainless steel)| 60040SS2| 60040SS2| 60040SS2| 60040SS2| 60040SS2| 60040SS2| 60040SS2

Ref

|

Description

| Model Number
---|---|---
FSI34 2 FSIM34 2| FSI48 2 FSIM48 2| FSI68 2 FSIM68 2

A

| Timeclock Valve w/ 3/4” SS bypass| FSI342 Vlv Assy W/BP| FSI48 Vlv Assy W/BP| FSI682 Vlv Assy W/BP
Metered Valve w/ 3/4” SS bypass| FSIM342 Vlv Assy W/BP| FSIM482 Vlv Assy W/BP| FSIM682 Vlv Assy W/BP
B| Mineral Tank| MTP0948GR| MTP1054GR| MTP1248GR
C| Distributor| D100S-48| D100S-54| D100S-48
D| Resin| (2) FH05P| (3) FH05P| (4) FH05P
E| 1/4” X 1/8” Gravel| (1) QC20| (1) QC20| (1) QC20
F| Brine Tank Assy.| BT1434ASSY-FS| BT1434ASSY-FS| BTSQ1833ASSY-FS
G| Overflow Fitting| BT-OVERFLO| BT-OVERFLO| BT-OVERFLO
H| Safety Brine Valve| SBV33ASSY| SBV33ASSY| SBV33ASSY
I| Salt Platform| BTSG14| BTSG14| BTSG18SQ
J| Bypass2 (stainless steel)| 60040SS2| 60040SS2| 60040SS2

Notes:

  1. Refer to pages 19 – 24 for complete control valve breakdown.
  2. -1s suffix for 1” FPT stainless steel bypass (60041SS)

FS (Time Clock) Control Valve Breakdown

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig12

FS (Time Clock) Control Valve Parts List

REF #| Part Number| Description| REF #| Part Number| Description
---|---|---|---|---|---
A| 60040SS| Stainless Steel Bypass, ¾” FPT|

13

| 12086| 1.5 GPM DLFC (FS24, FSI34)
60041SS| Stainless Steel Bypass, 1” FPT| 12088| 2.4 GPM DLFC (FSL24, FS30, FSI48)
B| 60900-41| Coupling Kit| 12089| 3.0 GPM DLFC (FSL30, FS45)
Not Shown| 60705-00| DLFC Housing, less flow button (Old Style)| 12090| 3.5 GPM DLFC (FSI68)
C| 60705-00A| DLFC Elbow, less flow button| 12091| 4.0 GPM DLFC (FS60, FS75)
D| 60121| Seal and Spacer Kit| Not Shown| 12338| Drain Fitting, Hose Barb, 90 Deg Elbow, 1/2″ x 1/2″ (Old Style)
E| 60090| Piston Assembly| 15| 19936| Base Seal (2510)
F| FV2510-1PH| Power Head Assembly, 2510 TC with cover| 16| 3600-19322| Adapter base with distributor o-ring and o-ring retainer
G| 60050-21| Drive Motor Assembly| 17| 19197| Slip Ring
H| 60160-10| Drive Cam Assembly, STF| 18| 18303| Tank O-Ring, 2510 Valve
I| 60304-13| Timer Assembly, 3200, 12 Day, STF, 120/60| 19| 13304| Distributor O-Ring, -121
J| 60011-050ASSY| Brine Valve, 1650 Short Stem, 0.5 BLFC with J Tube| 20| 13030| Distributor Retainer
1| 14105| Bypass Valve Seal, Single Lever| Not

Shown

| 40027| J tube for 2510 valve (Old Style)
2| 13305| Coupling O-Ring, -019| 22| 13911| Main Drive Gear
4| 10692| Injector cover screw 2510 valve| 23| 18743-1| Timer Motor, 120v/60Hz, 2510/5600 Valve
5| 11893| Injector Cover| 24| 15320| Micro Switch, Homing
6| 14805| Injector Body Gasket| 25| 10896| Micro Switch, Step
7| 10913-1| Injector Nozzle, #1, White (FS24, FS30, FS45, FSI34, FSI48, FSL24, FSL30)| 26| 10218| Micro Switch, Drive Motor
10913-2| Injector Nozzle, #2, Blue (FS60, FS75, FSI64)| 27| 10909| Connecting Link Pin
8| 10914-1| Injector Throat, #1, White (FS24, FS30, FS45, FSI34, FSI48, FSL24, FSL30)| 28| 10338| Roll Pin
10914-2| Injector Throat, #2, Blue (FS60, FS75, FSI64)| 29| 12777| Brine Cam, STF
9| 10227| Injector Screen
10| 17776/10328| Injector Body Plastic w/ o-ring &

brass elbow

| 30| 60219-02| Valve Cover, Environmental, Black with Window (Old Style)
Not Shown| 21257253| O-ring for PN: 17776/10328
11| 14805| Injector Body Gasket| SCA-925| Valve Cover, Environmental, Black with Window, (New Style)
 |  |  | 31| 18312| Retainer, Drain

FSM (Mechanical Metered) Control Valve Breakdown

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig13

FSM (Mechanical Metered) Control Valve Parts List

REF #| Part Number| Description| REF #| Part Number| Description
---|---|---|---|---|---

A

| 60040SS| Stainless Steel Bypass, ¾” FPT| 11| 14805| Injector Body Gasket
60041SS| Stainless Steel Bypass, 1” FPT|

13

| 12086| 1.5 GPM DLFC (FSM24, FSIM34)
B| 60088| Meter Module, Rt Angle, Std Rge| 12088| 2.4 GPM DLFC (FSLM24, FSM30, FSIM48)
Not

Shown

| 60705-00| DLFC Housing, less flow button (Old Style)| 12089| 3.0 GPM DLFC (FSLM30, FSM45)
C| 60705-00A| DLFC Elbow, less flow button| 12090| 3.5 GPM DLFC (FSIM68)
D| 60121| Seal and Spacer Kit| 12091| 4.0 GPM DLFC (FSM60, FSM75)
E| 60090| Piston Assembly| Not

Shown

| 12338| Drain Fitting, Hose Barb, 90 Deg Elbow, 1/2″ x 1/2″ (Old Style)
F| FV2510M-1PH| Power Head Assembly, 2510 M with Cover| 15| 19936| Base Seal (2510)
G| 60050-21| Drive Motor Assembly| 16| 3600-19322| Adapter base with distributor o-ring and o-ring retainer
H| 60160-10| Drive Cam Assembly, STF| 17| 19197| Slip Ring
I| 60306-13| Timer Assembly, 3210, Std Rge Mtr, 120/60| 18| 18303| Tank O-Ring, 2510 Valve
J| 60011-050ASSY| Brine Valve, 1650 Short Stem, 0.5 BLFC With J Tube| 19| 13304| Distributor O-Ring, -121
1| 14105| Bypass Valve Seal, Single Lever| 20| 13030| Distributor Retainer
2| 13305| Coupling O-Ring, -019| Not

Shown

| 40027| J tube for 2510 valve (Old Style)
3| 14613| Flow Straightener| 22| 13911| Main Drive Gear
4| 10692| Injector cover screw 2510 valve| 23| 18743-1| Timer Motor, 120v/60Hz,

2510/5600 Valve

5| 11893| Injector Cover| 24| 15320| Micro Switch, Homing
6| 14805| Injector Body Gasket| 25| 10896| Micro Switch, Step

7

|

10913-1

| Injector Nozzle, #1, White (FSM24, FSM30, FSM45, FSIM34, FSIM48, FSLM24, FSLM30)|

26

|

10218

|

Micro Switch, Drive Motor

10913-2| Injector Nozzle, #2, Blue (FSM60, FSM75, FSIM64)| 27| 10909| Connecting Link Pin

8

|

10914-1

| Injector Throat, #1, White (FSM24, FSM30, FSM45, FSIM34, FSIM48, FSLM24, FSLM30)|

28

|

10338

|

Roll Pin

10914-2| Injector Throat, #2, Blue (FSM60, FSM75, FSIM64)
9| 10227| Injector Screen| 29| 12777| Brine Cam, STF
10| 17776/10328| Injector Body Plastic w/ o-ring & brass elbow|

30

| 60219-02| Valve Cover, Environmental,

Black with Window (Old Style)

Not Shown| 21257253| O-ring for PN: 17776/10328| SCA-925| Valve Cover, Environmental, Black with Window (New Style)
 |  |  | 31| 18312| Retainer, Drain

FES (Electronic Metered) Control Valve Breakdown

Sterling Water Treatment FS FSM and FES Series Water Softening System -
fig14

FES (Electronic Metered) Control Valve Parts List

REF #| Part Number| Description| REF #| Part Number| Description
---|---|---|---|---|---
A| 60040SS| Stainless Steel Bypass, ¾” FPT|

8

| 10914-1| Injector Throat, #1, White (FES24, FES30, FES45, FECS24, FECS30)
60041SS| Stainless Steel Bypass, 1” FPT| 10914-2| Injector Throat, #2, Blue (FES60, FES75)
B| FES-MTR| Meter Module for FES Model| 9| 10227| Injector Screen
Not

Shown

| 60705-00| DLFC Housing, less flow button (Old Style)| 10| 17776/10328| Injector Body Plastic w/ o-ring & brass elbow
C| 60705-00A| DLFC Elbow, less flow button| Not Shown| 21257253| O-ring for PN: 17776/10328
D| 60121| Seal and Spacer Kit| 11| 14805| Injector Body Gasket
E| 60090| Piston Assembly|

13

| 12087| 2.0 GPM DLFC (FES24)
F| FV2510E-1PH| Power Head Assembly, 2510 E with Cover| 12088| 2.4 GPM DLFC (FECS24, FES30)
G| 60050-23| Drive Motor Assembly| 12089| 3.0 GPM DLFC (FECS30, FES45)
H| 60160-10| Drive Cam Assembly, STF| 12090| 3.5 GPM DLFC
I| 60308-13| 2510E Timer Assembly| 12091| 4.0 GPM DLFC (FES60, FES75)
J| 60011-050ASSY| Brine Valve, 1650 Short Stem, 0.5 BLFC With J Tube| 15| 19936| Base Seal (2510)
K| FE-TRANS| Transformer for 2510E| 16| 3600-19322| Adapter base with distributor o-ring and o-ring retainer

1

|

14105

|

Bypass Valve Seal, Single Lever

| 17| 19197| Slip Ring
18| 18303| Tank O-Ring, 2510 Valve
2| NE-CON| Coupling O-Ring| 19| 13304| Distributor O-Ring, -121
3| NE-CLIPS| Clips and screws set for NES & FES| 20| 13030| Distributor Retainer
4| 10692| Injector cover screw 2510 valve| 26| 10218| Micro Switch, Drive Motor
5| 11893| Injector Cover| 27| 10909| Connecting Link Pin
6| 14805| Injector Body Gasket| 28| 10338| Roll Pin

7

|

10913-1

| Injector Nozzle, #1, White (FES24, FES30, FES45, FECS24, FECS30)|

29

|

12777

|

Brine Cam, STF

10913-2| Injector Nozzle, #2, Blue (FES60, FES75)| 30| SCA-925| Valve Cover, Environmental, Black with Window (New Style)
 |  |  | 31| 18312| Retainer, Drain

Troubleshooting

PROBLEM CAUSE SOLUTION
1. Softener fails to regenerate A. Electrical service to unit has been
interrupted A. Ensure permanent electrical service to unit (switch, circuit

breaker, plug, etc.)
B. Faulty timer motor or micro switch| B. Replace defective component
C. Defective drive motor or micro switch| C. Replace defective component
D. Improper unit configuration| D. Meter cable unplugged (FSM) or no tabs pushed outward on the skipper wheel (FS)

2. Softener delivers hard water

| A. Bypass valve is open| A. Close bypass valve
B. No salt in brine tank or salt is “bridged”| B. Verify salt is not “bridged” and add salt to brine tank and maintain salt level above water level
C. Injectors or screen plugged| C. Clean or replace injectors and screen
D. Insufficient water flowing into brine tank| D. Check brine tank fill time and clean brine line flow control
E Leak at distributor tube| E. Check length of distributor tube and pilot tube o-ring
F. Internal valve leak| F. Replace piston and seals/spacer kit
G. Flow meter obstructed| G. Clean flow meter
H. Softener not regenerating| H. See Problem 1 above
I. Flow rate exceeds rated service flow| I. Verify the softener is properly sized
3. Unit uses too much salt| A. Improper configuration| A. Verify proper salt setting, meter setting (FSM), skipper wheel setting (FS)
B. Excessive water in brine tank| B. See Problem # 7
4. Loss of water pressure| A. Softener too small for application| A. Check application requirements and resize water softener as required
B. Foreign material buildup in plumbing system or water softener| B. Clean or replace plumbing, as

necessary, additional treatment equipment may be required

5. Loss of resin through drain line| A. Air in water system| A1. Check for low water table conditions in well
A2. Check for positive seal on brine line connections
B. Drain line flow control is too large| B. Ensure proper drain line flow control is installed

6. Iron in softened water

| A. Iron exceeds recommended parameters or iron bacteria is present| A. Test incoming water supply and install OXY Series iron filter prior to softener, as needed
B. Iron fouled resin| B. Check and lengthen backwash, brine draw and brine fill times. Increase frequency of regeneration.
Use resin cleaner in brine tank.

7. Excessive water level in brine tank

| A. Restricted drain flow control| A. Clean drain line flow control
B. Drain line too long or installed overhead or restricted| B. Verify drain line is not restricted or improperly installed
C. Vinyl drain line was used| C. Replace drain line with rigid or semi-rigid material with no kinks and as few elbows as possible
D. Brine valve sticking| D. Replace brine valve assembly
E. Injector/screen plugged| E. Clean or replace injectors and screen
F. Improper configuration| F. Verify the salt setting
G. Either end of the brine line is loose| G. Completely push in 3/8” brine line at both ends
8. Salty water after regeneration| A. Injectors or screen plugged| A. Clean or replace injectors and screen
---|---|---
B. Restricted drain flow control| B.Clean drain line flow control
C.Brine valve sticking| C. Replace brine valve assembly
D. Brine tank is overfilled| D. See Problem # 7
E. Rinse cycle too short| E. Lengthen rinse cycle
9. Water leaks to drain continuously| A. Foreign material in control valve| Remove and inspect piston and
A. seal kit. Replace as necessary
B. Drive motor stopped during regeneration cycle| B.Check for obstruction in piston and seals. Replace drive motor.
Inspect condition of power head gears
C.Control valve continuously cycling| C. See Problem #10
D. Internal valve seal leak| D. Replace seals and/or piston
10. Control valve continuously cycling| A. Faulty homing switch| A. Replace homing switch

TEN YEAR LIMITED WARRANTY

WARRANTY – Franklin Water Treatment, LLC. warrants this water conditioner against any defects that are due to faulty material or workmanship during the warranty period.
This warranty does not include damage to the product resulting from accident, neglect, misuse, misapplication, alteration, installation or operation contrary to printed instructions, or damage caused by freezing, fire, flood, or Acts of God. From the original date of consumer purchase, we will repair or replace, at our discretion, any part found to be defective within the warranty period described below. Purchaser is responsible for any shipping cost to our facility and any local labor charges.

  • One year on the entire water conditioner
  • Five years on the control valve (Except seal & spacer kit, 1 year)
  • Ten years on the mineral tank

GENERAL CONDITIONS – Should a defect or malfunction occur, contact the dealer that you purchased the product from. If you are unable to contact the dealer, contact Franklin Water Treatment, LLC @ (260)693-1972. We will require a full description of the problem, model number, date of purchase, and selling dealer’s business name and address.

We assume no warranty liability in connection with this water conditioner other than specified herein. This warranty is in lieu of all other warranties, expressed or implied, including warranties of fitness for a particular purpose. We do not authorize any person
or representative to assume for us any other obligations on the sale of this water conditioner.

FILL IN AND KEEP FOR YOUR RECORDS

Original Purchaser|  Date of Purchase| Model #|
---|---|---|---
Address of Original Installation| City|   State
Dealer Purchased From|   Dealer Address| City|   State

Franklin Water Treatment, LLC
12630 U.S. 33 North, Churubusco, IN 46723
Phone: (260)693-1972
Fax: (260)693-0602

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