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Table of Contents

Page

Safety Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
How To Use This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Project Data Sheet  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 –7
Set Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Operating Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
System Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9–10
Start Up Instructions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Installation Diagrams - Series HC-300 Simplex Systems  . . . . .12
Installation Diagrams - Series HCTA-300

Duplex Alternating Systems . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Installation Diagrams - Series HCP-300

Progressive 2-4 Tank Systems. . . . . . . . . . . . . . . . . . . . . . . . .14
Controller Electrical Connections . . . . . . . . . . . . . . . . . . . . . . .15
Wiring Diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
NXT2 Controller Programming and Operation  . . . . . . . . . . . . .17
Controller Display  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Controller Operation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Controller Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20–21
Master Programming Mode Flow Chart . . . . . . . . . . . . . . . 22–23
User Programming Mode Flow Chart. . . . . . . . . . . . . . . . . . . .23
Diagnostic Programming Mode Flow Chart  . . . . . . . . . . . . . . .24
Time of Day Programming Mode Flow Chart . . . . . . . . . . . . . .25
NXT2 Programming Parameters and Ranges. . . . . . . . . . . . . .26
Replacing the Media  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27–28
Replacement Parts - Major System Components  . . . . . . .29–30
Replacement Parts - 3900 Upper Powerhead . . . . . . . . . . . . .31
Replacement Parts - NXT2 Controller Assembly  . . . . . . . . . . .32
NXT to NXT2 Conversion Kit  . . . . . . . . . . . . . . . . . . . . . . . . . .33
Replacement Parts - 3900 Lower Powerhead . . . . . . . . . . . . .34
Replacement Parts - 3900 Control Valve Body  . . . . . . . . . . . .35
Replacement Parts - 1800 Brine Valve. . . . . . . . . . . . . . . . . . .36
Replacement Parts - 1800 Injector Assembly  . . . . . . . . . . . . .37
Replacement Parts - 3" Stainless Steel Electronic Meter  . . . . .38
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39–40
Water Softener Flow Diagrams  . . . . . . . . . . . . . . . . . . . . .41– 42
Flow Data and Injector Draw Rates - Down Flow . . . . . . . . . . .43
Injector Nozzle and Throat Chart

for 1800 Brine Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Introduction

Principals of Softening- Ion Exchange

In nature, water acts as a solvent that dissolves substances it

comes in contact with such as solid rock. When water dissolves

limestone rock, which is composed of calcium and magnesium,

the solid calcium and magnesium become ions. This means

they have been dissolved into the water and are now a liquid. An

ion with a positive electrical charge is called a cation. Calcium

and magnesium hardness ions in water are positively charged

cations. When water dissolves enough calcium and magnesium

hardness cations it is classified as hard water, which can cause

lime scale build up in plumbing systems, water spots, and an

increase in soap and cleaning product usage.
Ion exchange water softening is a process where an ion

exchange resin is used to effectively exchange calcium and

magnesium hardness cations for sodium cations in the water.
New, or freshly regenerated, ion exchange resin is saturated with

sodium cations. As calcium and magnesium hardness cations

come in contact with the ion exchange resin, they attach to the

resin and sodium cations are released into the water. This is

possible because the hardness cation are more attracted to the

ion exchange resin than the sodium cations. Therefore, scale

forming calcium and magnesium cations have been exchanged

for non-scale forming sodium cations as the water is treated. If

the calcium and magnesium content of the water is reduced to

less than 17.1 mg/L, that water is classified as soft water.
Eventually the ion exchange resin will become exhausted, depleted

of sodium, and will need to be regenerated with a sodium brine

solution to restore its capacity to soften water. This system

includes a flow meter to track treated water volume and initiate

the regeneration process before resin exhaustion occurs.

Regeneration occurs automatically and consists of 5 steps:

Step 1- Backwash

Approximate Duration 10 Minutes- Fresh water flow is directed

upward through the resin bed, to remove solid particles the resin

bed has captured, sending them to drain.

Step 2- Brine Draw

Approximate Duration 15-20 Minutes- Brine water is drawn from

the brine tank, rinsed over the ion exchange resin, driving away

the calcium and magnesium cations and restoring sodium cations

within the resin. Calcium and magnesium is sent to drain.

Step 3- Slow Rinse

Approximate Duration 40-45 Minutes- Once the brine tank is

emptied of brine water, fresh water will continue to rinse over

the resin and rinse calcium and magnesium cations to drain.

Step 4- Rapid Rinse

Approximate Duration 10 Minutes- After the conclusion of slow

rinse, fresh water will rinse over the resin to ensure any residual

sodium brine has been cleaned from the resin before it returns

to service.

At the conclusion of Rapid Rinse:
Simplex single tank systems return to the “In Service” position.

Multi tank systems remain in the “Stand By” position.

Step 5- Brine Tank Refill

Approximate Duration User Adjustable- In this final step of

regeneration, water is added back into the brine tank so that

a brine solution can be prepared for the next regeneration.

Содержание HC-300

Страница 1: ... Installation Operation and Maintenance 3 Commercial Water Softeners Series HC 300 HCTA 300 HCP 300 HC 300 Simplex Systems HCTA 300 Duplex Alternating Systems HCP 300 Duplex Triplex and Quadplex Progressive Systems ...

Страница 2: ...uality components Simple programming corrosion resistant mineral tank s and an easy to service design ensures this system will be durable and easy to maintain Thank You The Watts Team Softened water provides a wide variety of benefits such as reducing the potential of lime scale formation in boilers water heaters and heat exchangers to protecting the remainder of the plumbing system from costly ma...

Страница 3: ...er that is microbiologically unsafe or of unknown quality This system will not make microbiologically unsafe water safe Water that is unsafe must be treated separately from this conditioner Operating ambient temperature 34 to 100 F 1 to 43 C Operating water pressure range 25 to 125psi 171 kPa to 8 6 bar All plumbing connections to the system should be made using industry accepted best practices Pl...

Страница 4: ...s where an ion exchange resin is used to effectively exchange calcium and magnesium hardness cations for sodium cations in the water New or freshly regenerated ion exchange resin is saturated with sodium cations As calcium and magnesium hardness cations come in contact with the ion exchange resin they attach to the resin and sodium cations are released into the water This is possible because the h...

Страница 5: ...generation B System 7 2 Mineral Tanks 1 Meter Immediate Regeneration C System 14 2 8 Mineral Tanks 2 8 Meters Immediate Regeneration Progressive Flow Tank Staging GPM Threshold for Progressive Feature ________________________________________________ D _____________________________Other System Description 3 Controller Program Settings A Backwash ____________________________________ Minutes B Brine ...

Страница 6: ...95 2419 95 2419 108 2743 44 1118 44 1118 42 1067 60 1524 3245 M4118B 39NT 995 8 2530 995 8 2530 1123 8 2854 503 8 1280 503 8 1280 50 1270 60 1524 4295 MODEL NO DIMENSIONS SHIPPING WEIGHT A B C D E F G in mm in mm in mm in mm in mm in mm in mm lbs M4110TA 39NT 797 16 2017 797 16 2017 95 2419 24 622 85 2159 30 762 50 1270 2070 M4112TA 39NT 817 16 2068 817 16 2068 963 4 2457 301 8 765 100 2540 39 991...

Страница 7: ... 4015 M4116TA 39NT 68105509 30 Cubic Foot 3 Duplex Alternating Softener with Flow Meter 42 X 144 X 117 6245 M4118TA 39NT 68105523 35 Cubic Foot 3 Duplex Alternating Softener with Flow Meter 50 X 164 X 117 8295 MODEL NO ORDERING CODE DESCRIPTION SPACE SHIPPING REQUIRED WEIGHT D X W X H LBS M4110TI NH 68105475 10 Cubic Foot 3 Progressive Duplex Softener with Flow Meters 59 x 82 x 106 2140 M4112TI NH...

Страница 8: ...re missing or damaged contact your Watts representative If they can not be reached contact Watts customer service at 800 659 8400 A B C F E D G H Drain line and brine line flow controllers may come factory assembled on control valve s drain port depending on size Carefully inspect control valve and brine tank packaging for these items before discarding any packaging Distributor tubes ship inside m...

Страница 9: ...ome off during media loading 4c Place the distributor tube screen end down into the mineral tank and center it in the bottom The top of the distributor tube should be flush with the top of the tank Test the tape cap to make sure it can not come off during the media loading process 4d Fill the mineral tank 1 3 full with water to prevent breakage of the distributor tube screens during the media load...

Страница 10: ...r must point towards the drain receptacle Only plumbing tape is allowed on the drain line flow controller fitting threads System Installation 14 Construct the drain line routing it to an appropriate drain recep tacle abiding buy all local building and plumbing codes DO NOT construct drain line to elevations that exceed 4 feet above the drain port of the control valve or reduce the drain line diam ...

Страница 11: ...unplug the control valve from the power outlet to keep the system in the backwash position 6 Open the inlet isolation valve slightly until water can be heard flowing through the isolation valve and allow the mineral tank to fill with water Air will come out of the drain line until the mineral tank is full of water Once water flow at the drain line is observed fully open the inlet valve and allow w...

Страница 12: ...outlet headers need to be sized according to flow rate requirements by others 13 Power requirements 115v 60hz 2 7 Amps per control valve unless otherwise specified 14 Brine tank must be located within 10 feet of system control valve and on a common floor elevation with mineral tank to ensure proper brine draw operation 15 Use a minimum of 1 inch sch 40 pvc piping for construction of brine line 16 ...

Страница 13: ...LVE NORMALLY CLOSED HEADER PIPE SEE NOTE 12 OUTLET SEE NOTE 12 3 FLOW METER SAMPLE PORT OUTLET UNION ISOLATION VALVE SEE NOTE 4 OUTLET PIPE Drain and Brine Connection Detail for HCTA 300 Series Drain water out to drain Brine Flow Control Attach to brine tank brine connec tion port with flow arrow pointing towards the brine tank See Top View installa tion image Control valve drain connection Drain ...

Страница 14: ...VC PIPING SEE NOTE 15 MINERAL TANK BRINE TANK SEE NOTE 14 INLET UNION ISOLATION VALVE SEE NOTE 4 INLET SEE NOTE 12 SAMPLE PORT INLET PIPE DRAIN LINE SEE NOTE 10 BYPASS VALVE NORMALLY CLOSED HEADER PIPE SEE NOTE 12 OUTLET SEE NOTE 12 SAMPLE PORT OUTLET UNION ISOLATION VALVE SEE NOTE 4 3 FLOW METER OUTLET PIPE VACUUM RELIEF SEE NOTE 8 ...

Страница 15: ...able Power Supply 3150 3900 Valves Wire Harness Meter Cable Power Supply Communication Cables Hinge Mount mount per valve model noted 44404 Rev A 44403 Rev A HC 300 HCTA 300 HCP 300 Systems use 3900 Type Control Valves Network Communication Cables and Connections Use a shielded CAT5 Network Communication cable Connect the network communication cable first before programming Cable length between ti...

Страница 16: ...16 Wiring Diagram 44403 Rev A Wiring diagrams are reference only All wiring should be done by a certified electrician and meet all electrical codes ...

Страница 17: ...rds menu navigation Network two to eight valves via shielded CAT5 cables LED Status Indicator Blue In Service Flashing Blue Regeneration Queued Green Regeneration Flashing Green Standby Red Error condition present Two Programmable Auxiliary relay outputs Time based Volume based Chemical pump Alarm based Cycle based Standby Remote input Remote Lockout Remote Regeneration Easy installation with plug...

Страница 18: ...18 Controller Display ...

Страница 19: ...regeneration If regeneration occurs for any reason prior to the delayed regeneration time the manual regeneration request shall be cleared Pressing the Extra Cycle button while in regeneration will cause the upper drive to advance to the next step immediately Controller Operation During Regeneration In the Regeneration Cycle step display the controller shows the current regeneration cycle name the...

Страница 20: ...mote Regeneration Ability to trigger a regeneration via a remote input Regeneration Types Softener Filter Meter Delayed When volume remaining reaches zero and the scheduled regeneration time is reached default 2 a m softener 12 a m filter the unit will regenerate Softener Filter Meter Immediate When volume remaining reaches zero the unit will regenerate Time Clock Once volume remaining reached zer...

Страница 21: ...on the NXT2 circuit board Activates during selected cycle step Activates upon selected start time Range 0 91 minutes Deactivates upon selected end time Range Start Time plus 1 minute Activates when selected volume gallon is reached Range 0 99999 Selected duration in seconds Range 0 9999 seconds System 8 2 Units Alternating Delayed Immediate Transfer Delayed Regeneration One tank online sup plying ...

Страница 22: ...rogramming certain values may not be able to be viewed or set 7 The controller will display local information not system information 8 In the event of a regeneration occurring while displaying master programming the regeneration step and time remaining will be displayed When regeneration has been completed the display will return to the main screen Example On View settings without the ability to a...

Страница 23: ...le button to advance to the next value Press the Left button to retreat to the previous value 3 Where applicable use the Up and Down buttons to adjust a value as desired 4 After progressing through all available values the controller will return to Normal operation 5 To exit diagnostic mode progress through all cycles or press hold Left button at any time or simply wait 5 minutes and controller wi...

Страница 24: ...isplayed When regeneration has been completed the display will return to the main screen Example Real time flow rate reading Example Peak flow since last regeneration Example Gallons at the outlet since installation Example Reserve Capacity setting Example Gallons at the outlet since last regeneration Example Time since last regeneration Example Installed software version Example Total number of r...

Страница 25: ...wn buttons to adjust as desired 3 Press the Extra Cycle button to advance to the Month field Press the Up or Down buttons to adjust as desired 4 Press the Extra Cycle button to advance to the Calendar Day field Press the Up or Down buttons to adjust as desired 5 Press the Extra Cycle button to return to the normal display screen NOTE Press and hold the Left button to exit without saving Time of Da...

Страница 26: ...X X X X X X X X Off Immediate Delayed Auxiliary 1 2 X X X X X X X X X X Off Alarm Based Cycle Based Time Based Lock Window 1 2 X X X X X X X X X X On Off Meter Type X X X X X X X X Paddle 0 75 1 1 5 2 3 Turbine 0 75 1 25 1 5 Generic Continuous Flow Detect X X X X X X X X On Off Save as Non Factory X X X X X X X X X X On Off Lock Settings X X X X X X X X X X Off Delayed Enter Code Time Based Day Ov...

Страница 27: ... fully hand tight and used as a lifting point when removing control valve from tank flange 11 Note the top of the distributor tube It must be flush with the top of the tank If it is above the top of the tank by more than 1 2 the distributor tube may have become disconnected from the distributor screen in the bottom of the mineral and must be reconnected 12 Obtain a length of 3 4 sch 40 PVC that is...

Страница 28: ...ue to flush the resin bed until water at the drain is clear 23 After resin bed flushing is complete reconnect the power supply cable to the P14 port located on the back of the control valve controller Plug the system back in to the power outlet so that it will return to the service position 24 Fully open inlet and outlet isolation valves and close bypass valve 25 Check for leaks and repair as requ...

Страница 29: ...MXF F 42 SOFTENER 2 1 68104691 K4560710 15 BRINE FLOW CONTROLLER ASSEMBLY 15 GPM 1 MXF F 48 SOFTENER 3 1 68108485 V2003 A 15 DRAIN FLOW CONTROL 15 GPM PVC 1 MXM F 24 SOFTENER 3 1 68108500 V2005 A 25 DRAIN FLOW CONTROL 25 GPM PVC 1 5 MXM F 30 SOFTENER 3 1 68108502 V2005 A 35 DRAIN FLOW CONTROL 35 GPM PVC 1 5 MXM F 36 SOFTENER 3 1 68108508 V2006 50 DRAIN FLOW CONTROL 50 GPM PVC 2 MXM F 42 SOFTENER 3...

Страница 30: ... CAPACITY SAC NA FORM 10 68100354 A7005A MEDIA GRAVEL 20 FLINT 06 X 125 11 68100356 A7006A MEDIA GRAVEL 25 X 125 12 1 68102512 G2009A BRINE TANK ASSY 30X50 BLK W 900 AIR CHECK 12 1 68102509 G2008C BRINE TANK ASSY 39X48 BLK W 900 AIR CHECK 12 1 68102554 G3015 1 BRINE TANK ASSY 39X60 BLK W 900 AIR CHECK 12 1 68102556 G3020A BRINE TANK ASSY 42X60 BLK W 900 AIR CHECK 12 1 68102558 G3025A BRINE TANK AS...

Страница 31: ...MBER DESCRIPTION 1 1 68104640 K4560416 NT UPPER POWERHEAD F 3900 24V NTXT2 W POWER SUPPLY F 120V USA WO COVER 2 1 68104580 K4560240 COVER F 3150 3900 UPPER POWERHEAD 3 1 68104399 K4519791 02 ELECTRONIC METER CABLE 25 4 1 68104471 K4544164 POWER SUPPLY CABLE 120V 24VDC F NXT2 3 2 1 4 ...

Страница 32: ...32 NXT2 Controller Assembly NXT2 CONTROLLER ASSEMBLY ITEM NO QTY PART NUMBER DESCRIPTION 1 1 68104777 K4562115 CONTROLLER ASSEMBLY NXT2 1 ...

Страница 33: ...33 NXT to NXT2 Conversion Kit NXT TO NXT2 CONVERSION KIT ITEM NO QTY PART NUMBER DESCRIPTION 1 1 68104778 K4562121 01 CONTROLLER ASSY CONV KIT NXT TO NXT2 W POWER SUPPLY FOR USA 1 ...

Страница 34: ...ent Parts 3900 Lower Powerhead 3900 LOWER POWERHEAD ITEM NO QTY PART NUMBER DESCRIPTION 1 1 68104642 K4560058 03 LOWER POWERHEAD F 3900 24V NTXT2 WO COVER 2 1 68104581 K4560240 22 COVER F 3900 LOWER POWERHEAD 1 2 ...

Страница 35: ...EMBLY DOWNFLOW F 3150 3900 UPPER 3 1 68104560 K4560131 SEAL SPACER KIT F 3150 3900 UPPER 4 1 68104542 K4560107 00 PISTON ASSEMBLY DOWNFLOW HWBP F 3900 LOWER 4 1 68104543 K4560107 10 PISTON ASSEMBLY DOWNFLOW NHWBP F 3900 LOWER 5 1 68104562 K4560132 SEAL SPACER KIT F 3900 LOWER 6 1 68104308 K4516345 ORING 362 TANK TO VALVE F 3900 7 1 68104333 K4516800 ORING 238 F 3900 DISTRIBUTOR PILOT 1 1 1 2 4 5 7...

Страница 36: ...ne Valve 1800 BRINE VALVE ASSEMBLY ITEM NO QTY PART NUMBER DESCRIPTION 1 1 68104501 K4560036 02 BRINE VALVE ASSEMBLY 1800 BRASS DESIGN 3 1 1 68104582 K4560276 01 BRINE VALVE ASSEMBLY 1800 BRASS RETROFIT KIT TO UPDATE TO DESIGN 3 1 ...

Страница 37: ... 08 INJECTOR NOZZLE 1800 8 YELLOW 2 1 68104249 K4515128 09 INJECTOR NOZZLE 1800 9 VIOLET 2 1 68104250 K4515128 10 INJECTOR NOZZLE 1800 10 BLACK 3 1 68104237 K4515127 04 INJECTOR THROAT 1800 4 GREEN 3 1 68104238 K4515127 05 INJECTOR THROAT 1800 5 RED 3 1 68104239 K4515127 06 INJECTOR THROAT 1800 6 WHITE 3 1 68104240 K4515127 07 INJECTOR THROAT 1800 7 BLUE 3 1 68104241 K4515127 08 INJECTOR THROAT 18...

Страница 38: ...tronic Meter 3 INCH STAINLESS STEEL METER ASSY ITEM NO QTY PART NUMBER DESCRIPTION 1 1 68104758 K4561935 10 METER ASSEMBLY 3 STAINLESS STEEL ELECTRONIC MECHANICAL 2 1 68110068 K4561939 METER DOME MECH ELEC STANDARD RANGE FOR 75 3 METER W O RING 1 2 2 ...

Страница 39: ...egeneration Inlet of control plugged due to foreign material broken loose from pipes by recent work done on plumbing system Remove piston and clean control valve 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 F...

Страница 40: ...lected system type in Master Programming Push correct valve settings in Master Settings Motor Stall No Changes Detected in the Optical Sensor for 6 Seconds The motor is on but no encoder pulses are detected within a given duration while homing Check the P11 connection and trigger a manual regeneration Motor Run On No CAM Switch Change Detected The motor is on but no encoder pulses are detected or ...

Страница 41: ...d out the drain If optional no hard water by pass piston is used water flow to service outlet is prevented by an extension on the service outlet until the end of the rapid rinse cycle or brine tank refill cycle depending on options chosen Hard water enters at valve inlet flows thru injector nozzle and throat to draw brine from the brine tank Brine flows down thru the mineral into the bottom distri...

Страница 42: ...und the piston and out the drain Hard water enters at valve inlet flows thru nozzle and thru throat to brine valve to refill the brine tank Inlet flow also con tinues down thru mineral to the bottom distributor Conditioned water flows up thru the distributor tube around the piston and out the outlet Note An option is available to keep service valve in by pass position until the end of brine tank r...

Страница 43: ...43 Flow Data and Injector Draw Rates Down Flow 3900 Valve 3 Dist Tube on 24 Tank 3900 on Empty Tank ...

Страница 44: ... media are also not covered by this warranty In the event of a covered defect within the warranty period the Company will at its option replace or recondition the product without charge Disclaimer of Warranty THE WARRANTY SET FORTH HEREIN IS GIVEN EXPRESSLY AND IS THE ONLY WARRANTY GIVEN BY THE COMPANY WITH RESPECT TO THE PRODUCT THE COMPANY MAKES NO OTHER WARRANTIES EXPRESS OR IMPLIED THE COMPANY...

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