Watts PWS20 Series User Manual Download

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IOM-WQ-PWS20_PWS20-2_PWS20-P

Installation, Operation and Maintenance

2" Commercial Water Softeners

Series: PWS20, PWS20-2 & PWS20-P

PWS20 Simplex Systems

PWS20-2 Duplex Alternating Systems

PWS20-P Duplex, Triplex and Quadplex

Progressive Systems

Summary of Contents for PWS20 Series

Page 1: ... 2_PWS20 P Installation Operation and Maintenance 2 Commercial Water Softeners Series PWS20 PWS20 2 PWS20 P PWS20 Simplex Systems PWS20 2 Duplex Alternating Systems PWS20 P Duplex Triplex and Quadplex Progressive 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: ...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...

Page 4: ...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 ...

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: ...NSIONS WEIGHTS A B C D E F G in mm in mm in mm in mm in mm in mm in mm lbs kgs PWS20131D21 673 8 1711 673 8 1711 777 8 1978 16 406 60 1524 18 457 40 1016 450 205 PWS20131E21 673 4 1721 673 4 1721 771 8 1959 17 432 60 1524 18 457 40 1016 500 227 PWS20131F21 681 2 1740 681 2 1740 7815 16 2004 181 8 460 70 1778 24 610 41 1041 800 364 PWS20131G21 701 2 1791 701 2 1791 8015 16 2055 211 8 536 75 1905 24...

Page 7: ...Duplex Softener with Flow Meters 39 x 57 x 87 700 PWS20131F22 7100728 5 Cubic Foot 2 Progressive Duplex Softener with Flow Meters 46 x 59 x 89 800 PWS20131G22 7100729 7 Cubic Foot 2 Progressive Duplex Softener with Flow Meters 49 x 62 x 91 1200 PWS20131H22 7100645 10 Cubic Foot 2 Progressive Duplex Softener with Flow Meters 59 x 65 x 98 1420 PWS20131I22 7100646 15 Cubic Foot 2 Progressive Duplex S...

Page 8: ...ording 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 A B C F E D G H Drain line flow controllers may come factory assembled on control valve s drain port depending on size Distributor tubes ship inside mineral tanks Resin and gravel ...

Page 9: ...h with the top of the tank Test the tape cap to make sure it can not come off during the media loading process 4d For systems 24 in diameter and larger fill the mineral tank 1 3 full with water to prevent breakage of the distributor tube screens during the media loading process This step is not required for tanks smaller than 24 in diameter 4e Make sure the plastic and tape cap is secure to the to...

Page 10: ... P14 port s of the control valve controller s See pages 14 15 for P14 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 See Installation Diagrams pages 11 13 of this manual for additional information WARNING Operating a system without a drain line flow controller will cause all...

Page 11: ...ate and local codes Do not construct drain line to elevations that exceed 4 feet above the control valve s drain port 11 The full weight of the piping and valves must be supported 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 tan...

Page 12: ...12 Installation Diagrams Series PWS20 2 Duplex Alternating Systems Top View Side View Front View ...

Page 13: ...13 Installation Diagrams Series PWS20 P Progressive 2 4 Tank Systems Top View Side View Front View ...

Page 14: ...odel noted Wire Harness 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 Network Communication Cables and Connections Use a shielded CAT5 Network Communication cable Connect the network communication cable first before programming Cable length between timers units should not exceed 2...

Page 15: ...15 Wiring Diagram 44403 Rev A Wiring diagrams are reference only All wiring should be done by a certified electrician and meet all electrical codes ...

Page 16: ...ing allowing forward and backwards 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 Regenerat...

Page 17: ...17 Controller Display ...

Page 18: ...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...

Page 19: ...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...

Page 20: ...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 ...

Page 21: ...er programming without saving changes press the Left button until you return to the service screen 6 Depending on the current controller programming 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 ...

Page 22: ...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 will automatically return ...

Page 23: ...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...

Page 24: ...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...

Page 25: ...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 26: ...ut 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 into the bag Use th...

Page 27: ...TON 5 0 GPM F 14 SOFTENER 3 1 68108571 V7103 07 FC BUTTON 7 0 GPM F 16 SOFTENER 3 1 68108574 V7103 10 FC BUTTON 10 0 GPM F 18 SOFTENER 3 1 68108575 V7103 12 FC BUTTON 12 0 GPM F 21 SOFTENER 3 1 68108576 V7103 15 FC BUTTON 15 0 GPM F 24 SOFTENER 3 1 68104676 K4560701 25 DRAIN FLOW CONTROL 1 W 25 GPM BUTTON F 30 SOFTENER 3 1 68108502 V2005 A 35 DRAIN FLOW CONTROL PVC 1 5 W BUTTONS FOR 35 GPM F 36 SO...

Page 28: ...003E BRINE TANK ASSY 24X41 BLK W GRID AIR CHECK FOR 1 2 BRINE HOSE 13 1 68102503 G2004B BRINE TANK ASSY 24X50 BLK W GRID AIR CHECK FOR 1 2 BRINE HOSE 13 1 68102512 G2009A BRINE TANK ASSY 30X50 BLK W AIR CHECK FOR 1 2 BRINE HOSE 13 1 68102509 G2008C BRINE TANK ASSY 39X48 BLK W AIR CHECK FOR 1 2 BRINE HOSE 13 1 68102554 G3015 1 BRINE TANK ASSY 39X60 BLK W AIR CHECK FOR 1 2 BRINE HOSE 14 1 68102593 H...

Page 29: ...900 Upper Powerhead 2900 UPPER POWERHEAD ITEM NO QTY PART NUMBER DESCRIPTION 1 1 68104633 K4560410 NT UPPER POWERHEAD F 2900S 24V NXT2 W POWER SUPPLY NO TIMER 2 1 68104575 K4560219 02 COVER FOR 2750 2900 UPPER POWER HEAD 1 2 ...

Page 30: ...30 NXT2 Controller Assembly NXT2 CONTROLLER ASSEMBLY ITEM NO QTY PART NUMBER DESCRIPTION 1 1 68104777 K4562115 CONTROLLER ASSEMBLY NXT2 1 ...

Page 31: ...31 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 24V US POWER SUPPLY 1 ...

Page 32: ...arts 2900 Lower Powerhead 2900 LOWER POWERHEAD ITEM NO QTY PART NUMBER DESCRIPTION 1 1 68104635 K4560411 NT LOWER POWERHEAD F 2900S 24V NTXT2 NO COVER 2 1 68104574 K4560217 02 COVER FOR 2900 LOWER POWER HEAD ENVIRO 1 2 ...

Page 33: ... DOWNFLOW F 2900S UPPER 4 1 7300798 K4560128 SEAL SPACER KIT F 2900S LOWER 5 1 7300796 K4561550 PISTON ASSEMBLY DOWNFLOW HWBP F 2900S LOWER 5 1 7300797 K4561555 PISTON ASSEMBLY DOWNFLOW NHWBP F 2900S LOWER 6 1 68104171 K4513575 ORING 240 TANK TO VALVE F 2900S 2930 3150 7 1 68104172 K4513577 ORING 226 F 2900S 9500 DISTRIBUTOR PILOT 8 1 68104103 K4511893 PART INJECTOR COVER STAINLESS STEEL 9 2 68104...

Page 34: ... BRINE FLOW WASHER 25 GPM 5 1 68104118 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 68104083 K4510913 R INJECTOR NOZZLE 0 RED 6 1 68104084 K4510913 W INJECTOR NOZZLE 1 WHITE 6 1 68104085 K4510913 Y INJECTOR N...

Page 35: ... 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 36: ...01 7CB INJECTOR NOZZLE 7C 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 5 1 68104272 K4515416 BRINE TUBE 1700 F 2850 2900S 5 1...

Page 37: ...104109 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 38: ...ech Electronic Meter 2 INCH STAINLESS STEEL METER ASSY ITEM NO QTY PART NUMBER DESCRIPTION 1 1 7300855 K4561934 10 METER ASSEMBLY COMPLETE 2 STAINLESS STEEL MECH ELEC 2 1 68104199 K4514716 METER DOME PLASTIC FOR 2 METER W O RING MECH ELEC 1 2 ...

Page 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...

Page 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 ...

Page 41: ...41 Water Softener Flow Diagrams Down Flow Brining 2 Backwash Position 3 Brine Position 4 Slow Rinse Position 5 Rapid Rinse Position 6 Brine Tank Refill Position 1 Service Position ...

Page 42: ...42 Water Softener Flow Diagrams Up Flow Brining 2 Brine Position 3 Slow Rinse Position 4 Backwash Position 5 Rapid Rinse Position 6 Brine Tank Fill Position 1 Service Position ...

Page 43: ...43 Flow Data and Injector Draw Rates Down Flow ...

Page 44: ...ace 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 HEREBY SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILIT...

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