Watts PWS15 Series, Installation, Operation And Maintenance Manual

Page 1: ...IOM WQ PWS15 Installation Operation and Maintenance 11 2 Commercial Water Softeners Series PWS15 PWS15 Simplex Systems ...

Page 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...

Page 3: ...erheating of electronics may occur and ultraviolet rays from the sun may cause damage Operating ambient temperature 34 to 120 F 1 to 52 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 Plumbing tape or paste may be used on metal inlet and outlet plumbing connections Do not use paste type pi...

Page 4: ...lumbing 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 io...

Page 5: ...eneration 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 a...

Page 6: ...67 16 1941 211 8 536 235 16 592 24 610 50 1270 585 266 PWS15121H11 763 8 1940 771 4 1962 823 4 2102 241 8 613 2413 16 630 30 762 50 1270 710 323 MODEL NO MINERAL TANK BRINE TANK SOFTENING LBS SALT PER FLOW RATE PRESSURE TANK RESIN GRAVEL TANK SALT CAPACITY REGENERATION SERV DROP BKW SIZE Ft3 SIZE FILL MAX MIN MAX MIN GPM PSI GPM PWS15121C11 12 x 52 2 0 30 lbs 18 x 40 400 60 K 40 K 30 12 15 20 15 2...

Page 7: ...continuous flows Ordering Information SPACE MODEL NO ORDERING CODES DESCRIPTION PIPE SIZE REQUIRED WEIGHT D x W x H LBS KGS PWS15121C11 7100025 2 Cubic Foot Simplex Softener with Flow Meter 1 5 18 x 42 x 75 210 95 PWS15121D11 7100026 3 Cubic Foot Simplex Softener with Flow Meter 1 5 18 x 44 x 87 240 109 PWS15121E11 7100027 4 Cubic Foot Simplex Softener with Flow Meter 1 5 18 x 46 x 87 320 145 PWS1...

Page 8: ... and make sure all components are accounted for according to the diagram below according to your specific series number If any components are missing or damaged contact your Watts representative If they can not be reached contact Watts customer service at 1 800 224 1299 Drain line flow controllers may come factory assembled on control valve s drain port depending on size Distributor tubes ship ins...

Page 9: ...g 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 Make sure the plastic and tape cap is secure to the top of the distributor tube place a funnel on the top of the tank and load f...

Page 10: ...the control valve controller Connect wires into the P2PWR port for SXT controller See page 14 for location and P14 port for NXT2 controller See page 13 for location 18 If applicable install a metal bonding strap across metal inlet and outlet plumbing lines to maintain electrical continuity The system is now ready for Start Up WARNING Operating a system without a drain line flow controller will cau...

Page 11: ...pported by pipe hangers or other means 12 Inlet and 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 factory supplied bri...

Page 12: ...ness Meter Cable 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 PWS15 Systems use 2850 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 timers u...

Page 13: ...13 Wiring Diagram NXT2 44403 Rev A Wiring diagrams are reference only All wiring should be done by a certified electrician and meet all electrical codes ...

Page 14: ...14 Wiring Diagram SXT ...

Page 15: ...e 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 in wiring harnesses Assistance Name and Phone Number contact fields Error Log History Water Usag...

Page 16: ...16 NXT2 Controller Display ...

Page 17: ...al 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 ...

Page 18: ...Remote 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 z...

Page 19: ...y 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 plyin...

Page 20: ...ng 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 mas ter 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 alter se...

Page 21: ...Extra Cycle 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 cont...

Page 22: ...layed 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 rege...

Page 23: ... 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 NXT2 Time of...

Page 24: ...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...

Page 25: ...he display will flash The parameter display will identify the destination cycle step BW BF RR etc and the data display will read Once the valve reaches the cycle step the display will stop flashing and the data display will change to the time remaining During regeneration the user can force the control to advance to the next cycle step immediately by pressing the extra cycle button Setting the Tim...

Page 26: ...control only enters the Program Mode with the valve in ser vice While in the Program Mode the control continues to oper ate normally monitoring water usage and keeping all displays up to date Control programming is stored in memory permanently eliminating the need for battery backup power Manually Initiating a Regeneration To occur that day at the next scheduled regeneration time 1 Press the Extra...

Page 27: ...en Cycle Step Times The time duration for each regeneration step Adjustable from OFF and 0 199 minutes NOTE If Othr is chosen under Valve Type then R1 R2 R3 etc will be displayed instead D1 D2 D3 D4 D5 D6 D7 Day of Week Settings Regeneration setting On or OFF for each day of the week on day of week systems CD Current Day The current day of the week FM Flow Meter Type 1 5 Stainless Meter 1 5 Paddle...

Page 28: ...elected in Master Programming Mode 1 Display Format Display Code DF This is the first screen that appears when entering Master Programming Mode The Display Format setting specifies the unit of measure that will be used for volume and how the control will display the Time of Day This option setting is identified by DF in the upper left corner of the screen There are two possible settings 2 Valve Ty...

Page 29: ...play 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 The reserve selection parameter is only available if the control type has been set to one of the metered options There are three possible settings Abbreviation Parameter SF Safety Factor rc Fixed Reserve Capacity cr Variable Reserve Figu...

Page 30: ...eration cycles are listed in sequence based on the valve type selected for the system and are identified by an abbreviation in the upper left corner of the screen The abbreviations used are listed below Figure 15 Abbreviation Cycle Step BD Brine Draw BF Brine Fill AD Air Draw BW Backwash RR Rapid Rinse SV Service If the system has been configured with the Other valve type the regeneration cycles w...

Page 31: ...8 Relay Setting Display Code RE Press the Extra Cycle button Use this display to enable the relay output This option setting is identified by RE in the upper left corner of the screen Use the Up and Down buttons to enable the relay using either time based tb or flow based Fb Only one method can be used at a time Figure 21 Figure 22 ST Range 0 to total number of cycles minus 1 Figure 23 ET Range St...

Page 32: ...r used by the unit since last installation or last reset SV Software Version Displays the software version installed on the controller NOTE Some items may not be shown depending on control configuration The control will discard any changes and exit the Diagnostics View if a button is not pressed for 60 seconds Figure 27 Figure 28 Figure 29 Diagnostics View Steps 1 Press the Up and Extra Cycle butt...

Page 33: ... identified by RC in the upper left corner of the screen Figure 30 Figure 32 Figure 33 SXT Diagnostics Cont d Figure 31 7 Press the Up button Use this display to view the Total Volume data This option is identified by TV in the upper left corner of the screen 8 Press the Up button Use this display to view the Software Version This option setting is identified by SV in the upper left corner of the ...

Page 34: ...to the resin media Put the other end of the hose inside a water permeable bag and locate the bag over the floor drain 14 Insert a garden hose into the bag side of the poly vinyl hose to fill the hose and PVC pipe with water Air will bubble out of the tank Once all the air is out of the hose and pipe remove the garden hose from the polyvinyl hose to establish a siphon The resin can then be siphoned...

Page 35: ...Components 1 2 3 4 5 6 7 8 9 10 11 13 14 15 9 12 10 11 13 14 16 17 1 2 3 4 5 6 7 8 9 10 11 13 14 15 9 12 10 11 13 14 16 17 3 4 5 6 7 8 9 10 11 13 14 15 9 12 10 11 12 13 14 16 17 2 9 13 12 11 9 13 12 10 10 11 6 5 4 3 7 8 1 15 14 14 16 17 ...

Page 36: ...4 8 TOP 5 1 7300144 C9099 4 FIBERGLASS MINERAL TANK 16X65 ALMOND W 4 8 TOP 5 1 7300112 C1029 FIBERGLASS MINERAL TANK 18X65 ALMOND W 4 8 TOP 5 1 7300113 C1030 FIBERGLASS MINERAL TANK 21X62 ALMOND W 4 8 TOP 5 1 7300114 C1031 FIBERGLASS MINERAL TANK 24X72 ALMOND W 4 8 TOP 6 7300100 A4000 SOFTENING RESIN MEDIA WATTS BRAND HIGH CAPACITY SAC NA FORM 1 FT3 BAG 7 7300101 A7005A MEDIA GRAVEL 20 FLINT 06 X ...

Page 37: ... POWER SUPPLY INTL 120V 24V 40VA 3 1 68104396 K4519791 01 ELECTRONIC METER CABLE FOR ELECTRONIC METER 16 85 LONG 3 1 68104397 K4519791 02 ELECTRONIC METER CABLE FOR ELECTRONIC METER 35 LONG 3 1 68104398 K4519791 04 EVT ELECTRONIC METER CABLE FOR ELECTRONIC METER 100 00 LONG 3 1 68104399 K4519791 05 ELECTRONIC METER CABLE FOR ELECTRONIC METER 304 00 LONG 4 1 68104575 K4560219 02 ENVIRONMENTAL COVER...

Page 38: ...38 NXT2 Controller Assembly NXT2 CONTROLLER ASSEMBLY ITEM NO QTY ORDERING CODE DESCRIPTION 1 1 7300804 K4562115 CONTROLLER ASSEMBLY NXT2 1 ...

Page 39: ...39 NXT to NXT2 Conversion Kit NXT TO NXT2 CONVERSION KIT ITEM NO QTY ORDERING CODE DESCRIPTION 1 1 68104778 K4562121 01 CONTROLLER ASSY CONV KIT NXT TO NXT2 W 24V US POWER SUPPLY 1 ...

Page 40: ...40 Replacement Parts SXT Controller Assembly SXT CONTROLLER ASSEMBLY ITEM NO QTY ORDERING CODE DESCRIPTION 1 1 7300938 K4542778 SXT CONTROLLER F 2750 2850 1 ...

Page 41: ...ION 1 1 VALVE BODY 2850 MACHINED NPT U S TAP 2 1 7300756 K4560105 PISTON ASSEMBLY HWBP F 2850 3 1 7300757 K4560129 SEAL SPACER KIT F 2850 3 1 68104558 K4560129 20 SEAL SPACER KIT NATURAL F 2850 4 1 68104172 K4513577 ORING 226 F 2900S 9500 2850 DISTRIBUTOR PILOT 5 1 68104315 K4516455 ORING 347 TANK TO VALVE F 2850 1 2 3 4 5 ...

Page 42: ...8104118 K4512095 BRINE FLOW WASHER 50 GPM 5 1 68104119 K4512097 BRINE FLOW WASHER 1 0 GPM 6 1 68104079 K4510913 00 INJECTOR NOZZLE 00 VIOLET 6 1 68104080 K4510913 000 INJECTOR NOZZLE 000 BROWN 6 1 68104081 K4510913 BL INJECTOR NOZZLE 2 BLUE 6 1 68104082 K4510913 G INJECTOR NOZZLE 4 GREEN 6 1 68104083 K4510913 R INJECTOR NOZZLE 0 RED 6 1 68104084 K4510913 W INJECTOR NOZZLE 1 WHITE 6 1 68104085 K451...

Page 43: ... 00 INJECTOR NOZZLE 00 VIOLET 5 1 68104080 K4510913 000 INJECTOR NOZZLE 000 BROWN 5 1 68104081 K4510913 BL INJECTOR NOZZLE 2 BLUE 5 1 68104082 K4510913 G INJECTOR NOZZLE 4 GREEN 5 1 68104083 K4510913 R INJECTOR NOZZLE 0 RED 5 1 68104084 K4510913 W INJECTOR NOZZLE 1 WHITE 5 1 68104085 K4510913 Y INJECTOR NOZZLE 3 YELLOW 6 1 68104086 K4510914 00 INJECTOR THROAT 00 VIOLET 6 1 68104087 K4510914 000 IN...

Page 44: ...C BLACK 3 1 68104214 K4514802 3Y INJECTOR THROAT 3C YELLOW 3 1 68104215 K4514802 4G INJECTOR THROAT 4C GREEN 3 1 68104216 K4514802 5W INJECTOR THROAT 5C WHITE 3 1 68104217 K4514802 6R INJECTOR THROAT 6C RED 3 1 68104218 K4514802 7C INJECTOR THROAT 7C BLACK 4 1 68104499 K4560034 BRINE VALVE 1700 W 2 0 GPM FLOW CONTROLLER 4 1 68104500 K4560034 30 BRINE VALVE 1700 W 3 0 GPM FLOW CONTROLLER 5 1 681042...

Page 45: ...8104109 K4512085 FLOW CONTROL WASHER 1 2 GPM 2 1 68104110 K4512086 FLOW CONTROL WASHER 1 5 GPM 2 1 68104111 K4512087 FLOW CONTROL WASHER 2 0 GPM 2 1 68104112 K4512088 FLOW CONTROL WASHER 2 4 GPM 2 1 68104113 K4512089 FLOW CONTROL WASHER 3 0 GPM 2 1 68104114 K4512090 FLOW CONTROL WASHER 3 5 GPM 2 1 68104115 K4512091 FLOW CONTROL WASHER 4 0 GPM 2 1 68104116 K4512092 FLOW CONTROL WASHER 5 0 GPM 2 1 ...

Page 46: ... Meter Assembly 11 2 INCH PLASTIC ELECTRONIC TURBINE METER ASSEMBLY ITEM NO QTY ORDERING CODE DESCRIPTION 1 1 68104737 K4561560 13 METER ASSEMBLY ELECTRONIC TURBINE COMPLETE WITH 11 2 MNPT BRASS 2 2 68110410 K4541597 PLUMBING ADAPTOR BRASS 1 5 MNPT 2 1 2 ...

Page 47: ...ch Electronic Meter 11 2 INCH STAINLESS STEEL METER ASSEMBLY ITEM NO QTY ORDERING CODES DESCRIPTION 1 1 7300949 K4561933 10 METER ASSEMBLY 11 2 STAINLESS STEEL ELECTRONIC MECHANICAL 2 1 68110068 K4561936 METER DOME ASSEMBLY W O RING MECH ELEC 2 1 ...

Page 48: ...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...

Page 49: ...s not match selected 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 ar...

Page 50: ...verify that it functions correctly If the error re occurs unplug the unit and contact technical support 2 Regen Failure The system has not regenerated for more than 99 days or 7 days if the Control Type has been set to Day of Week Perform a Manual Regeneration to reset the error code If the system is metered verify that it is measuring flow by running service water and watching for the flow indica...

Page 51: ... valve inlet flows up into injector housing and down through nozzle and throat to draw brine from the brine tank brine flows down through mineral and enters the center tube through bottom distributor and out through the drain line Hard water enters unit at valve inlet flows up into injector housing and down through nozzle and throat around the piston down through mineral enters center tube through...

Page 52: ...52 Injector Flow Data and Draw Rates Down Flow ...

Page 53: ...00 Brine System Standard Size Color 0 Red 1 White 2 Blue 3 Yellow 4 Green 1700 Brine System Standard Size Color 3C Yellow 4C Green 5C White 6C Red Injector Nozzle and Throat Chart for 1600 1700 Brine Systems ...

Page 54: ..._________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________ ____________________...

Page 55: ..._________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________ ____________________...

Page 56: ...SSLY 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 HEREBY SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Limitation of Liability The remedy described in the first paragraph of thi...