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One  General introduction

1.1 Product Specifications

Flow Rate per Hour

Above index may change without specific notice.

4.4-37.8

o

C (40-100

o

F)

172-862 kPa (25-125 psi)

220V / 50Hz

Φ13mm, Φ16mm

¾”

1.5 ton

2 ton

SFT-150

SFT-200

Incoming Water Temperature
Incoming Water Pressure
Voltage / Frequency
Water Inlet / Outlet Connection
Drainage Connection

1.2 Product Structure

SFT-150

SFT-200

470

483.5

460

482.5

661

1123

≤21
≤35

502

964

1
2
3
4
5
6
7

 

8

9

10

11

12

13
14

15

Bypass  Control Valve

Inlet and Outlet Control Valve

3/8”  Polyethylene Tubing

Overflow Port Connector

Brine Valve Assembly

Brine Tank Assembly (incl Cover)

Body

Resin Tank assembly (including a center tube set parts, 

ion exchange resin)

Bracket

Brine Tank Cover

Control Valve Assembly (including limiting valves, electrical

 power adapter)

Drain Connection

Cover

Power adaptor

Plastic packing components

1
2

1.3 meters

1
1
1
1

1

1
1

1

1

1

1

1

Product Dimension (mm)

 

Width

A (mm)

Product Weight (excluding salt) (kg)

Depth

Height

Item description

Quantity

Series

number 

For models SFT-150 and SFT-200 

Summary of Contents for SFT Series

Page 1: ...3M SFT Softener Installation and Operating Manual for model SFT 150 200 Please read this user manual carefully and keep this manual properly ...

Page 2: ...sure exceeds 172 862 kPa 25 125 psi If water pressure exceeds 862 kPa 125 psi you must install a pressure limiting valve 6 Use the original power adapter provided with the system and connect it to home socket The rated voltage of which should be 220V 50Hz The power socket should be grounded and equipped with overload protection units such as breaker or safety fuse 7 Do not install system near high...

Page 3: ...terface 1 1 2 Parameters settingin installation anddebugging 1 1 3 Checking and setting of operation parameters 12 4 Manualoperationof cleaningandregeneration 13 5 Theintroduction of cleaningandregeneration process 14 6 Checking of historical data 15 Five Water flow test of the Softener 1 Primary inflow of the Softener 17 2 Working conditions of bypass valve 17 3 Debugging of salt washing and wate...

Page 4: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Bypass Control Valve Inlet and Outlet Control Valve 3 8 Polyethylene Tubing Overflow Port Connector Brine Valve Assembly Brine Tank Assembly incl Cover Body Resin Tank assembly including a center tube set parts ion exchange resin Bracket Brine Tank Cover Control Valve Assembly including limiting valves electrical power adapter Drain Connection Cover Power adapto...

Page 5: ...water flow through the softener under certain pressure and flow rate sodium ions in the ion exchange resin will go on an exchange with the cations calcium ion and magnesium ion in the water thus reducing the consistency of those ions in water and softening Backwashing The saturated ion exchange resin needs to be backwash before regenerating One of the reasons for doing that is to wash off broken r...

Page 6: ...han DN40 To avoid leakage in the system or pipeline over time take cautious on the height and angle when connecting the pipes to avoid stress Take care when using pliers or pipe wrenches to tighten plastic fittings as overtightening may cause damages to the threading Before connecting the inlet water pipe clear any residual impurities and dirt in the pipeline first Turn off the main valve then con...

Page 7: ...sert the 1 quick connect nut split ring and O ring in the respective order shown in Fig3 2a 3 1 5 To install and configure the softener remove the upper lid Fig 3 1 4 Fig 3 1 4 Fig 3 2a Water Inlet Connector O ring Split Ring Fitting 1 Plastic Male NPT 1 Quick Connect Nut The O ring should be fitted into the 1 quick connect nut And the 1 male NPT fitting connects to the by pass valve through the 1...

Page 8: ...ore welding Step3 Heating Insert tube and fitting into the die at the same time Attention The typical heating period time is 8 9 seconds Insufficient or overheating will cause under heating or pipe to collapse Step4 Welding Remove the tubes and fittings out of the welder and insert in place quickly and smoothly without any rotation Attention Should the connection time be too long connection will n...

Page 9: ...to be replaced 3 4 3 Secure drainage hose to drainage outlet firmly During backwash and regeneration process the water pressure may loosen the water hose causing water to sputter out of the drain area To prevent backflow of drainage water into the system there should be clearance of at least 4 cm between the end of the drainage hose and the sewage drain water Never insert the drain pipe directly i...

Page 10: ... the controller is connected to the power supply It is normal if sound of motor rotation could be heard 4 2 2 After the self test procedure is completed press NEXT and simultaneously for 3 seconds to enter the installation and commissioning parameter interface 3 5 Power Connection Insert the supplied 220 volt power adapter into the power outlet SET NEXT Down Regeneration and cleaning Display Scree...

Page 11: ...ge from 1 to 28 a regeneration initiation will be called for on that day even if sufficient number of gallons were not used to call for a regeneration Step 3 Setting of Regeneration Time To set start time press the to change the flashing Hour to the desired value Press NEXT to select the Minutes value Once the Minute is flashing press to select desired value The default time is 2 00 am Press NEXT ...

Page 12: ...maining is the number of days left before the system goes through a regeneration cycle Capacity remaining is the number of gallons that will be treated before the system goes through a regeneration cycle The user can scroll between the displays as desired If the system has called for a regeneration that will occur at the preset time of regeneration the words REGEN TODAY will appear on the display ...

Page 13: ...imes there is a need to regenerate the system sooner than when the system calls for it usually referred to as manual regeneration There may be a period of heavy water usage because of guests or a heavy laundry day To initiate a manual regeneration immediately press and hold the REGEN button for five seconds The system will begin to regenerate immediately The request cannot be cancelled 4 4 2 To in...

Page 14: ...ing for that step to be completed The system runs through the steps automatically and will reset itself to help provide treated water when the regeneration has been completed during the regeneration process user can press REGEN to skip the countdown to proceed to the next step 4 5 1 The regeneration process screen will be displayed on the display panel Backwashing will be displayed first and the t...

Page 15: ...LOCK 4 5 5 After completing the rinsing process the system starts the water filling process and displaying the time remaining to complete this process 4 5 6 After completing the water filling process the regeneration process is completed The system will return to normal operational mode and display panel will shows current time Change Bleach Washing to Rinse Change water injection to Water Filling...

Page 16: ...Diagnostics 4 6 3 Gallons reserve capacity used for last 7 days If the valve is set up as a softener a meter is installed and Set Gallons Capacity is set to Auto this display shows 0 day for today and flashes the reserve capacity Pressing the button will show day 1 which would be yesterday and flashes the reserve capacity used Pressing the button again will show day 2 the day before yesterday and ...

Page 17: ...Press REGEN to return to previous step 4 6 5 Flow rate current Turn the water on at one or more taps in the building The flow rate in gallons per minute will be displayed If flow stops the value will fall to zero in a few seconds This display will equal zero if a water meter is not installed Press the NEXT button at any time to go to next parameter Press REGEN to return to previous step 4 6 6 Flow...

Page 18: ... the NEXT button to go to next parameter Press REGEN to return to previous step 4 6 9 Regenerations total number since last reset The total number of re generations that have occurred since last reset will be displayed Press the NEXT button to exit Diagnostics Press REGEN to return to previous step When desired all information in Diagnostics may be reset to zero when the valve is installed in a ne...

Page 19: ...ened 5 1 5 Slowly turn on the water faucet and main water supply Once all air has been purged out of the system and there is a steady flow of water turn off water faucet and main water supply 5 1 6 Initial water flow test has completed open the inlet and outlet knob of bypass valve Fig 5 2 1 to check for any leakage or seepages Repair any leakage or seepages 5 2 1 Normal operation Fig 5 2 1 Untrea...

Page 20: ... Untreated water enters the inlet of bypass valve and diagnostic operation can be perform when process such as manual regeneration is activated Untreated water exit the system via the outlet of bypass valve into the outlet pipe 5 2 4 Off Mode Fig 5 2 4 Completely no water flow to the system or outlet pipe as bypass valve is off Fig 5 2 3 Fig 5 2 4 ...

Page 21: ... if the water level decreases 5 3 4 Set the system to normal operation mode Turn on the water faucet and drain water till water is clear During the first water filling make sure the salt level in the brine tank is higher than the water level Salt particle must be visible at all times even during normal operation Ensure that the bypass valve is turn to the normal operation position Fig 5 2 1 after ...

Page 22: ...softener User do not need to perform any operation on the water softener unless there is a loss of power supply or insufficient salt supply When the type of salt used is not suitable or the humidity level of the surrounding area is too high a hard layer may form on top of the salt layer in the brine tank This will prevent the salt from its ability to fully dissolve and hence may affect the supply ...

Page 23: ...n the bypass position b Import waterway reverses c The power supply is not inserted d Raw water hardness increases e The flow meter is damaged and causes no regeneration There exists water leakage in user s pipeline a Bypass valve is on the bypass position b Import waterway reverses c The flow meter is damaged d Flow meter sensor plug is not inserted or is damaged e The damage of circuit board a R...

Page 24: ...it board e Replace drive gear or drive f Replace drive cap assembly g Replace main or regenerant piston 6 Control valve does not regenerate automatically but does when REGEN button is depressed a By pass valve in bypass position operation position b Meter connection disconnected c Restricted salted meter turbine d Defective meter e Defective circuit board f Set up error a Put bypass valve in norma...

Page 25: ...ntroller 6 3 1 The front shroud and drive Illustration number 1 2 3 4 5 6 Description PC Board Drive Gear DriveGear Cover Drive Bracket Spring Clip Motor Front Cover Assembly Number 1 3 1 1 1 1 No 2 to 6 are complete drive components ...

Page 26: ...d Spacer Stack Assembly Drawing No 1 2 3 4 5 6 7 8 Not Shown Description Space Stack Assembly Drive Cap Assembly Drive Back Plate Piston Downflow Assembly Regenerant Piston O ring 228 O ring 337 O ring 215 Distributor Tube Body Assembly Quantity 1 1 1 1 1 1 1 1 1 ...

Page 27: ...h contain one 011 lower and 013 upper o ring O ring 013 1 6 3 3 Injector Cap Injector Screen Injector Plug and O Ring 1 2 3 4 5 Description Injector Cap O ring 135 Injector screen Injector ASY Z Plug Injector ASY B Brown Injector ASY E White Injector ASY C Violet Injector ASY H Green 1 1 1 1 ...

Page 28: ...o Description Quantity 1 2 3 4 5 6 7 Elbow Locking Clip Polytube insert 3 8 Nut 3 8 Elbow Cap 3 8 O ring 019 BLFC Retainer Assembly BLFC 1 1 1 1 1 1 Not Shown Elbow 1 2 with nut and insert Option 1 includes drawing 7 Assembly includes V3182 BLFC ...

Page 29: ...6 3 5 Drain Line 3 4 Drawing No Description Quantity 1 2 3 4 5 Elbow Locking Clip Drain Elbow 3 4 Male DLFC Retainer Valve DLFC Retainer Assembly O ring 019 1 1 1 1 1 2 3 ...

Page 30: ...6 3 6 Water Meter and Meter Plug Drawing No Description Quantity 1 2 3 4 Nut 1 QC Meter Assembly Includes drawing 3 4 Turbine O ring 215 1 1 1 1 ...

Page 31: ... Quantity 1 2 3 4 Nut 1 Quick Connect Split Ring O Ring 215 Fitting 1 Brass Sweat Assembly 2 2 2 2 Drawing No Description Quantity 1 2 3 4 Nut 1 Quick Connect Split Ring O Ring 215 Fitting 3 4 Brass Sweat Assembly 2 2 2 2 Description Fitting 3 4 Brass Sweat Assembly ...

Page 32: ...on Quantity 1 2 3 4 Nut 1 Quick Connect Split Ring O Ring 215 Fitting 1 Plastic Male NPT 2 2 2 2 Description Fitting 1 1 4 Plastic Male NPT Assembly Drawing No Description Quantity 1 2 3 4 Nut 1 Quick Connect Split Ring O Ring 215 Fitting 1 1 4 Plastic Male NPT 2 2 2 2 ...

Page 33: ...iption Quantity 1 Nut 1 Quick Connect 2 V 3151 Nut 1 Quick Connect V 3150 Split Ring V 3105 O Ring 215 V 3105 Vertical Adapter 2 2 2 2 1 Split Ring 2 1 O Ring 215 2 1 Bypass 1 Rotor 2 1 Bypass Cap 2 1 Bypass Handlenect 2 1 Bypass Rotor Seal Retainer 2 1 O ring 135 2 1 O ring 112 2 1 O ring 214 2 ...

Page 34: ...is warranty shall be to repair at its expense and at no charge to the original purchaser consumer any Product that is actually defective malfunctioning or otherwise in violation of this Warranty If 3M PURIFICATION INC for any reason cannot repair a Product covered hereby within two 2 weeks after inspection of the unit by 3M PURIFICATION INC or its authorized representative then 3M PURIFICATION INC...

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