Watts LC-150 Series Manual

Watts LC-150 Series Manual

1 1/2" commercial water softeners
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IOM-WQ-LC-150
Installation, Operation and Maintenance
11/2" Commercial Water Softeners
Series: LC-150
LC-150 Simplex Systems

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Summary of Contents for Watts LC-150 Series

  • Page 1 IOM-WQ-LC-150 Installation, Operation and Maintenance 11/2" Commercial Water Softeners Series: LC-150 LC-150 Simplex Systems...
  • Page 2 Congratulations on your purchase of this Watts commercial water softening solution. ® You have made a great choice to protect your plumbing system against the damaging effects of hard water. This system has been engineered for trouble free operation and produced using top quality components. Simple programming, corrosion resistant mineral tank(s) and an easy to service design ensures this system will be durable and easy to maintain.
  • Page 3: Safety Information

    If you are unsure about installing your Watts water softener • To disconnect power, unplug the AC adapter from its power contact a Watts representative or consult a professional water source.
  • Page 4: Table Of Contents

    Introduction Table of Contents Page Safety Information ........3 Principals of Softening- Ion Exchange How To Use This Manual .
  • Page 5: Project Data Sheet

    Project Data Sheet Job Details Job Number: _____________________________________________ Model Number / Serial Number: ____________________________ Water Hardness: _______________ppm or gpg Capacity Per Unit: Mineral Tank Size: _____________Diameter: _____________ Height: Salt Setting per Regeneration: Regenerant Flow:_____________Upflow _____________ Downflow 1. Meter Size: A. 3/4" Paddle Wheel B.
  • Page 6: System Specifications

    System Specifications Dimensions - Weights FRONT SIDE FRONT SIDE Series LC-150 MODEL NO. DIMENSIONS WEIGHTS lbs. M4210B-285NT 1394 1416 1549 1016 M4214B-285NT 1699 1724 1864 1016 M4218B-285NT 1686 1708 1848 1016 M4222B-285NT 1727 1753 1890 1041 M4226B-285NT 1778 1803 1941 1270 M4230B-285NT 1940...
  • Page 7 System Specifications General System Information for 11/2" Simplex (LC-150) Softeners Ordering Information SPACE MODEL NO. ORDERING CODES DESCRIPTION PIPE SIZE REQUIRED WEIGHT D x W x H M4210B-285NT 68105530 2 Cubic Foot Simplex Softener with Flow Meter 1.5" 18" x 42" x 75" M4214B-285NT 68105535 3 Cubic Foot Simplex Softener with Flow Meter...
  • Page 8: Set Up

    Hardness (maximum) ... Depends on customer’s series number. If any components are missing or damaged acceptable hardness contact your Watts representative. If they can not be reached leakage level contact Watts customer service at 1-800-224-1299.
  • Page 9: System Installation

    O-ring applica- first, then press the control valve down until the control valve tions. Watts recommends Ordering Code #7300948 Silicone threads come in contact with the tank threads. This ensures Lubricant. The use of other types of lubricants may attack that the distributor tube is properly seated into the bottom of the control’s plastic or rubber components.
  • Page 10: Start Up Instructions

    8. Install an inlet water sample port in the supply line and close it. 3. Check for leaks and repair as needed. 9. If risk of vacuum exists, install Watts # 0556031 vacuum relief 4. Plug the power cord of the control valve into an electrical valve in the supply line to protect the system against vacuum outlet to energize system.
  • Page 11: Installation Diagrams

    & install vacuum relief valve Watts ordering code # 0556031 on inlet line. Drain and Brine Connection Detail 9. Brine tank dimensions shown on table are factory selected for use with the specified system size.
  • Page 12: Nxt2 & Sxt Controller Electrical Connections

    Controller Electrical Connections - NXT2 Power Supply Connections Network / Communication Cables and Connections Installing the Power Supply: Note: Power Supply includes a harness with 2 black wires Use a shielded CAT5 Network/Communication cable. that connect to circuit board, see page 15. Connect the network/communication cable first before programming.
  • Page 13: Nxt2 & Sxt Wiring Diagrams

    Wiring Diagram - NXT2 44403 Rev A...
  • Page 14 Wiring Diagram - SXT...
  • Page 15: Nxt2 Controller Programming And Operation

    NXT2 Controller Programming and Operation Features NOTICE Check your system to verify controller type and reference On-screen multilingual support: English, Francais, Deutsch, the appropriate section of this manual. NXT2 controller Italiano, Espanol, Nederlands, Portugues section begins on this page, SXT controller section begins •...
  • Page 16: Nxt2 Controller Display

    NXT2 Controller Display...
  • Page 17: Nxt2 Controller Operation

    NXT2 Controller Operation Setting the Time of Day Note: Set Time of Day on any unit and the rest of the units in the system will update the Time of Day automatically. 1. Press and hold the Up button for 2 seconds. The “Time” value is displayed.
  • Page 18: Nxt2 Controller Features

    NXT2 Controller Features Remote Lock Regeneration Types The controller does not allow the unit/system to go into Softener/Filter Meter Delayed - When volume remaining Regeneration until the Regeneration Lockout Input signal to the reaches zero and the scheduled regeneration time is reached unit is cleared.
  • Page 19 NXT2 Controller Features Push Settings System 8 (2 Units) Alternating Delayed The ability to transmit user settings from one unit to all other con- Immediate Transfer Delayed Regeneration One tank online sup- nected units. Select the desired Master Programming settings plying treated water, one tank in Standby.
  • Page 20: Nxt2 Master Programming Mode Flow Chart

    NXT2 Master Programming Mode Flow Chart Example: On: View settings without the ability to alter settings. Off: User has ability to alter settings. Before entering Master Programming, please contact your local professional water dealer. Example: English, Francais, Duetsch, Italiano, Espanol, Nederlandse, Portugues NOTICE Example: To identify your model softener, locate the diameter and...
  • Page 21: Nxt2 User Programming Mode Flow Chart

    NXT2 Master Programming User Programming Mode Mode Flow Chart - Cont’d Flow Chart Example: User Programming Mode Range: 0 - 23 Hours 59 Minutes 1. Press and hold the Down and Up buttons simultaneously for 3 seconds to enter the User Programming mode. 2.
  • Page 22: Nxt2 Diagnostic Programming Mode Flow Chart

    NXT2 Diagnostic Programming Mode Flow Chart Diagnostic Programming Mode Example: 1. Press and hold the Left button to enter Diagnostic Record of error events chronologically Programming mode. 2. To navigate, press the Extra Cycle button to advance to the next value.
  • Page 23: Nxt2 Time Of Day Programming Mode Flow Chart

    NXT2 Time of Day Programming Mode Flow Chart Setting the Time of Day NOTE: Set Time of Day on any unit and the rest of the units in the system will update the Time of Day automatically. 1. Press and hold the Up button for 2 seconds. The “Time” value is displayed.
  • Page 24: Nxt2 Programming Parameters And Ranges

    NXT2 Programming Parameters and Ranges SYSTEM TYPE PROGRAMMING PARAMETER RANGES SOFTENER/ SOFTENER/ PROGRESSIVE TIME FILTER FILTER REGEN TYPE OF THE INTERLOCK SERIES ALTERNATING ALTERNATING ALTERNATING DEMAND METRIC CLOCK METERED METERED WEEK RECALL IMMEDIATE DELAYED Settings Review On, Off English Francais Deutsch Language Italiano...
  • Page 25: Sxt Controller Programming And Operation

    SXT Controller Programming and Operation Features of the SXT: • Power backup that continues to keep time and the passage of days for a minimum of 48 hours in the event of power failure. During a power outage, the control goes into a power-saving mode.
  • Page 26: Sxt Controller Operation

    SXT Controller Operation Meter Immediate Control Manually Initiating a Regeneration To occur that day at the next scheduled regeneration time: A Meter Immediate control measures water usage and regener- ates the system as soon as the calculated system capacity is 1.
  • Page 27 SXT Master Programming Mode Chart Before entering Master Programming, please contact your local professional water dealer. To enter Master Programming, set time to 12:01 PM. MASTER PROGRAMMING OPTIONS Abbreviation Parameter Option Abbreviation Options Gallons Display Format Liters dF1b Downflow/Upflow Single Backwash dF2b Downflow Double Backwash Fltr...
  • Page 28: Sxt Master Programming

    “CT” in the upper left hand corner in meter immediate or meter delayed systems and days since of the screen. Select Fd for LC-150 series systems. regeneration in the time clock system. Meter Delayed: Fd...
  • Page 29 SXT Master Programming Mode - Cont’d 7. Reserve Selection (Display Code RS) Press the Extra Cycle button. Use this display to set the Safety Factor and to select the type of reserve to be used in your sys- tem. This setting is identified by “RS” in the upper left corner of the screen.
  • Page 30 SXT Master Programming Mode - Cont’d 10. Variable Reserve (Display Code CR) Abbreviation Cycle Step Press the Extra Cycle button. Use this display to set the Variable Brine Draw Reserve. This setting is formulated to adjust the reserve depen- Brine Fill dant on the previous calendar day’s water usage.
  • Page 31 SXT Master Programming Mode - Cont’d 15. Current Day (Display Code CD) For time based, set the desired Start Time (ST) and End Time (ET). Time ranges available are determined by the Regen Cycle Press the Extra Cycle button. Use this display to set the current day Step Times.
  • Page 32: Sxt Diagnostic Programming Mode Flow Chart

    SXT Diagnostics Viewing Diagnostic Data Diagnostics View Steps The SXT controller records and maintains diagnostic data to assist 1. Press the Up and Extra Cycle buttons for five seconds while with servicing and troubleshooting the water treatment system. in service. 2.
  • Page 33 SXT Diagnostics - Cont’d 5. Press the Up button. Use this display to view the Volume Used 7. Press the Up button. Use this display to view the Total Volume since the last regeneration cycle. This option setting is identi- data.
  • Page 34: Replacing The Media

    Replacing the Media 15. Continue to siphon resin until it is completely evacuated from NOTICE the mineral tank. Gravel will clogged the siphon hose and, if Ion exchange resin may need to be replaced periodically it must be removed due to fouling, or to repair or replace a due to physical breakdown caused by chlorine/chloramine damaged distributor tube and screen, must be evacuated by disinfectants, or fouling caused by certain metals such as...
  • Page 35: Replacement Parts - Major System Components

    Replacement Parts - Major System Components...
  • Page 36 C1030 FIBERGLASS MINERAL TANK 21X62 ALMOND W/ 4" #8 TOP 68100698 C1031 FIBERGLASS MINERAL TANK 24X72 ALMOND W/ 4" #8 TOP 68100326 A4000 SOFTENING RESIN MEDIA WATTS BRAND HIGH CAPACITY SAC NA FORM 68100354 A7005A MEDIA GRAVEL #20 FLINT .06"X.125" 68100356 A7006A MEDIA GRAVEL .25"X.125"...
  • Page 37: Replacement Parts - 2850 Upper Powerhead

    Replacement Parts - 2850 Powerhead 2850 POWERHEAD ITEM NO. ORDERING CODE DESCRIPTION 68109678 K4562103-08 POWERHEAD ASSEMBLY F/2850 24V FITS NXT2 OR SXT, NO TIMER, COVER, PLUG, METER CABLE 68104471 K4544164 POWER SUPPLY, INTL, 120V/24V/40VA 68104396 K4519791-01 ELECTRONIC METER CABLE FOR ELECTRONIC METER 16.85" LONG 68104397 K4519791-02 ELECTRONIC METER CABLE FOR ELECTRONIC METER 35"...
  • Page 38: Replacement Parts - Nxt2 Controller Assembly

    NXT2 Controller Assembly NXT2 CONTROLLER ASSEMBLY ITEM NO. ORDERING CODE DESCRIPTION 68104777 K4562115 CONTROLLER ASSEMBLY NXT2...
  • Page 39: Nxt To Nxt2 Conversion Kit

    NXT to NXT2 Conversion Kit NXT TO NXT2 CONVERSION KIT ITEM NO. ORDERING CODE DESCRIPTION 68104778 K4562121-01 CONTROLLER ASSY CONV KIT NXT TO NXT2 W/ 24V US POWER SUPPLY...
  • Page 40: Replacement Parts- Sxt Controller

    Replacement Parts - SXT Controller Assembly SXT CONTROLLER ASSEMBLY ITEM NO. ORDERING CODE DESCRIPTION 68104457 K4542778 SXT CONTROLLER F/ 2750/2850...
  • Page 41: Replacement Parts - 2850 Control Valve Body

    Replacement Parts - 2850 Control Valve Body 2850 DOWNFLOW CONTROL VALVE BODY ASSEMBLY ITEM NO. ORDERING CODES DESCRIPTION VALVE BODY 2850 MACHINED, NPT U.S. TAP 68104538 K4560105 PISTON ASSEMBLY HWBP F/ 2850 68104557 K4560129 SEAL & SPACER KIT F/2850 68104558 K4560129-20 SEAL &...
  • Page 42: Replacement Parts - 1600 Brine System

    Replacement Parts - 1600 Brine System 1600 INJECTOR & BRINE VALVE ASSEMBLY ITEM NO. ORDERING CODE DESCRIPTION 68104482 K4560020-25 BRINE FLOW CONTROL ASSEMBLY .25 GPM F/1600/3600 68104483 K4560020-50 BRINE FLOW CONTROL ASSEMBLY .50 GPM F/1600/3600 68104481 K4560022-100 BRINE FLOW CONTROL ASSEMBLY 1.0 GPM F/5600/9000 68104490 K4560029 BRINE VALVE SHORT STEM 1600/ NO FLOW CONTROLLER 68104493...
  • Page 43: Replacement Parts - 1650 Brine System

    Replacement Parts - 1650 Brine System 1650 INJECTOR & BRINE VALVE ASSEMBLY ITEM NO. ORDERING CODE DESCRIPTION 68104474 K4560010-100 BRINE FLOW CONTROL ASSEMBLY 1.0 GPM F/1650 68104475 K4560010-50 BRINE FLOW CONTROL ASSEMBLY .50 GPM F/1650 68104476 K4560011 BRINE VALVE PLASTIC 1650 / NO FLOW CONTROLLER 68104477 K4560011-020 BRINE VALVE 1650 SHORT STEM W/ .50 GPM FLOW CONTROLLER 68104478...
  • Page 44: Replacement Parts - 1700 Brine System

    Replacement Parts - 1700 Brine System 1600 INJECTOR & BRINE VALVE ASSEMBLY ITEM NO. ORDERING CODE DESCRIPTION 68104614 K4560381 PART 1700 INJECTOR ASSEMBLY SPECIFY INJECTOR 68104209 K4514801-3CY INJECTOR NOZZLE #3C YELLOW 68104210 K4514801-4CG INJECTOR NOZZLE #4C GREEN 68104211 K4514801-5CW INJECTOR NOZZLE #5C WHITE 68104212 K4514801-6R INJECTOR NOZZLE #6C RED 68104213...
  • Page 45: Replacement Parts - 1710 Brine System

    Replacement Parts - 1710 Brine System 1710 BRINE VALVE ASSEMBLY ITEM NO. ORDERING CODE DESCRIPTION 68104658 K4560605-20 BRINE VALVE 1710 F/2750 2900SS VALVES W/ 2.0 GPM FLOW CONTROLLER 68104109 K4512085 FLOW CONTROL WASHER 1.2 GPM 68104110 K4512086 FLOW CONTROL WASHER 1.5 GPM 68104111 K4512087 FLOW CONTROL WASHER 2.0 GPM 68104112...
  • Page 46: Replacement Parts - 11/2" Electronic Plastic Turbine Meter Assembly

    Replacement Parts - 11/2" Plastic Electronic Turbine Meter Assembly 11/2 INCH PLASTIC ELECTRONIC TURBINE METER ASSEMBLY ITEM NO. ORDERING CODE DESCRIPTION 68104737 K4561560-13 METER ASSEMBLY ELECTRONIC TURBINE COMPLETE WITH 11/2" MNPT BRASS 68110410 K4541597 PLUMBING ADAPTOR BRASS 1.5" MNPT...
  • Page 47: Replacement Parts- 11/2" Stainless Steel Electronic Meter

    Replacement Parts - 11/2" Stainless Steel Mech/Electronic Meter 11/2 INCH STAINLESS STEEL METER ASSEMBLY ITEM NO. ORDERING CODES DESCRIPTION 68104754 K4561933-10 METER ASSEMBLY 11/2" STAINLESS STEEL ELECTRONIC/MECHANICAL 68110068 K4561936 METER DOME ASSEMBLY W/ O-RING MECH/ELEC...
  • Page 48: Troubleshooting

    Troubleshooting Problem Cause Correction Water conditioner Electrical service to unit has been Assure permanent electrical service (check circuit breaker, GFCI, fails to regenerate interrupted fuse, plug, pull chain, or switch) Controller is defective Replace controller Power failure Reset time of day Softener delivers By-pass valve is open Close by-pass valve...
  • Page 49 Push correct system settings in Master Settings System Type Mismatch not match on Network Microcontroller Error Calibration or manufacturing test was Contact your Watts representative not performed 100 Days Without Regen 100 Days have expired without a regeneration Trigger a manual regeneration...
  • Page 50 Troubleshooting - SXT Controller Error Codes Error Code Error Type Cause Reset and Recovery Cam Sense The valve drive Unplug the unit and examine the powerhead. Verify that all cam switches are connected to the circuit board and functioning properly. Verify that the motor and Error took longer than 6 minutes to...
  • Page 51: Water Softener Flow Diagrams - Down Flow

    Water Softener Flow Diagrams 1 Service Position 4 Slow Rinse Position Hard water enters unit at valve inlet and flows down through the min- Hard water enters unit at valve inlet, flows up into injector housing eral in the mineral tank. Conditioned water enters center tube through and down through nozzle and throat, around the piston, down through the bottom distributor, then flows up through the center tube, around mineral, enters center tube through bottom distributor, flows up...
  • Page 52: Injector Flow Data And Draw Rates - Down Flow

    Injector Flow Data and Draw Rates - Down Flow...
  • Page 53: Injector Nozzle And Throat Chart For 1600 Brine Systems

    Injector Nozzle and Throat Chart for 1600/1700 Brine Systems 1600 Brine System 1700 Brine System Standard Standard Size Color Size Color Yellow White Green Blue White Yellow Green...
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  • Page 56: Warranty

    AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL SHIPMENT. USA: T: (800) 659-8400 • F: (800) 659-8402 • N. Andover, MA 01845 • Watts.com Canada: T: (888) 208-8927 • F: (905) 481-2316 • Burlington, ON M5J3G6 • Watts.ca Latin America: T: (52) 55-4122-0138 •...

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