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Installer manual Fleck 3150 NXT/NXT2 - Generalities

Ref. MKT-IM-010 / C - 18.10.2019

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1

Generalities

1.1

Scope of the documentation

The documentation provides the necessary information for appropriate use of the
product. It informs the user to ensure efficient execution of the installation, operation
or maintenance procedures.

The content of this document is based on the information available at the time of
publication. The original version of the document was written in English.

For safety and environmental protection reasons, the safety instructions given in this
documentation must be strictly followed.

This manual is a reference and will not include every system installation situation. The
person installing this equipment should have:

• training in the Fleck series, NXT/NXT2 controllers and water softener installation;

• knowledge of water conditioning and how to determine proper controller settings;

• basic plumbing skills.

This document is available in other languages on

https://www.pentairaquaeurope.com/

product-finder/product-type/control-valves

1.2

Release management

Revision

Date

Authors

Description

A

09.12.2016

BRY/PBO

First edition.

B

28.05.2018

BRY/FIM

Address change, Bleam information and

valve on tank assembly.

C

18.10.2019

BRY/FLA

NXT2 controller.

1.3

Manufacturer identifier, product

Manufacturer:

Pentair International LLC

Avenue de Sevelin 18

1004 Lausanne

Switzerland

Product:

Fleck 3150 NXT/NXT2

1.4

Intended use

The device is intended for industry environment use only and it is purpose-built for
water treatment.

1.5

Abbreviations used

Assy

Assembly

BLFC

Brine Line Flow Control

BV

Brine Valve

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Summary of Contents for FLECK 3150 NXT

Page 1: ...FLECK 3150 NXT NXT2 INSTALLER MANUAL WATER PURIFICATION ...

Page 2: ...el location 11 2 3 Hazards 11 2 3 1 Personnel 12 2 3 2 Material 12 2 4 Hygiene and sanitization 12 2 4 1 Sanitary issues 12 2 4 2 Hygiene measures 13 3 Description 14 3 1 Technical specifications 14 3 2 Performance flow rate characteristics 16 3 3 Outline drawing 16 3 4 Components description and location 17 3 4 1 With NXT controller and AC motor 17 3 4 2 With NXT controller and DC motor 18 3 4 3 ...

Page 3: ...lve installation 40 5 5 2 Side mounted valve installation 42 5 6 Block diagram and configuration example 43 5 7 System types 44 5 7 1 Single valve System 4 45 5 7 2 Multiple valves parallel interlock system System 5 45 5 7 3 Multiple valves parallel series regeneration system System 6 46 5 7 4 Duplex alternating immediate system System 7 46 5 7 5 Duplex alternating delayed system System 8 NXT2 onl...

Page 4: ...es system Systems 5 6 7 8 9 and 14 124 7 2 Sanitization 124 7 2 1 Disinfection of water softeners 124 7 2 2 Sodium or calcium hypochlorite 125 7 2 3 Electro chlorination 125 8 Operation 126 8 1 Display 126 8 1 1 NXT controller 126 8 1 2 NXT2 controller 126 8 1 3 LED status 128 8 2 Recommendations 128 8 3 Manual regeneration 128 8 3 1 Manual delayed regeneration 128 8 3 2 Immediate regeneration 129...

Page 5: ...ller 156 11 Spare parts and options 157 11 1 Valve parts list 157 11 2 Power head 3150 parts list 159 11 3 1800 injector parts list 161 11 4 BLFC parts list 162 11 5 DLFC parts list 164 11 6 Safety brine valves list 165 11 7 Distribution systems parts list 165 11 7 1 Thread 4 tank 21 to 36 TM slots 0 2 mm 166 11 7 2 Flanged 6 tank 21 to 36 TM slots 0 2 mm 167 11 7 3 Flanged 6 tank 42 TM slots 0 2 ...

Page 6: ...36 SM top and bottom distribution external flange 65 mm connection slots 0 2 mm 176 11 8 Air checks list 176 11 9 Meters parts list 177 11 9 1 Brass meters parts list 177 11 9 2 Stainless steel meters parts list 178 11 10 Kit meter Meter cables list 178 11 10 1 Mecanical cable meter 178 11 10 2 Brass kit meter Meter cables list 178 11 10 3 Stainless steel kit meter Meter cables list 179 11 11 Kits...

Page 7: ...stalling this equipment should have training in the Fleck series NXT NXT2 controllers and water softener installation knowledge of water conditioning and how to determine proper controller settings basic plumbing skills This document is available in other languages on https www pentairaquaeurope com product finder product type control valves 1 2 Release management Revision Date Authors Description...

Page 8: ...me Clock TM Top Mounted UF Up Flow 1 6 Norms 1 6 1 Applicable norms Comply with the following guidelines 2006 42 EC Machinery Directive 2014 35 UE Low Voltage Directive 2014 30 UE Electromagnetic compatibility 2011 65 UE Restriction of use of certain hazardous substances in electrical and electronic equipment RoHS UNI EN ISO9001 Meets the following technical standards EN 55014 1 EN 55014 2 EN 6100...

Page 9: ...ntial warranty claim Any warranty provided by Pentair regarding the product will become invalid in case of improper installation improper programming improper use improper operation and or maintenance leading to any kind of product damages improper or unauthorized intervention on the controller or components incorrect improper or wrong connection assembly of systems or products with this product a...

Page 10: ...an instantaneously access to all updated information related to the product such as valve s and tanks detailed configuration manuals spare parts lists troubleshooting recommendations multi lingual videos detailing how to best service a part informations about new products latest technologies novelties about the Blue Network program etc a Download the application Scan Service from or in a smartphon...

Page 11: ...Serial number Production date Production order Info Ensure that the serial label and the safety labels on the device are completely legible and clean If necessary replace them with new labels in the same positions 2 3 Hazards All the safety and protection instructions contained in this document must be observed in order to avoid temporary or permanent injury damage to property or environmental pol...

Page 12: ...checks and storage Check the integrity of the packaging Check that there is no damage and no signs of contact with liquid to make sure that no external contamination occurred the packaging has a protective function and must be removed just before installation For transportation and storage appropriate measures should be adopted to prevent the contamination of materials or the objects themselves As...

Page 13: ...ared to preserving these criteria However the process of production distribution assembly and installation may create conditions of bacterial proliferation which may lead to odor problems and water contamination it is therefore strongly recommended to sanitize the products See Sanitization Page 124 maximum cleanliness is recommended during the assembly and installation for disinfection use Sodium ...

Page 14: ...generation flow DF or UF Bypass of raw water during regeneration Standard Yes NBP version No Flow rates 3 5 bar inlet 16 C valve only Continuous service flow Δp 1 bar Top Mount 22 0 m3 h Side Mount 23 0 m3 h Peak service flow Δp 1 8 bar Top Mount 28 0 m3 h Side Mount 29 0 m3 h Cv 24 8 Kv 21 5 Maximum backwash flow Δp 1 8 bar Top Mount 24 0 m3 h Side Mount 25 0 m3 h Cv Flow rate in gpm across the v...

Page 15: ...UTION A switch or circuit breaker must be included in the installation it must be suitably located and easily reached it must be marked as the disconnecting device for the equipment CAUTION The power must be achieved by a transformer in which the primary windings are separated from the secondary windings by REINFORCED INSULATION DOUBLE INSULATION or a screen connected to the PROTECTIVE CONDUCTOR T...

Page 16: ...t different flow rates It allows predetermining the maximum flow rate going through the valve depending on the system settings inlet pressure etc It also allows to determine the valve pressure drop at a given flow rate and therefore to evaluate the system pressure drop vs flow rate FLOW RATE VS PRESSURE DROP single valve Service Backwash Flow rate m h Pressure drop bar 3 3 Outline drawing ...

Page 17: ... Components description and location 3 4 1 With NXT controller and AC motor Meter Outlet Diagnostic button Status LED Micro switches Brine valve AC motor NXT controller Piston Camshaft Drain line Brine line Injector Inlet Display Regeneration button Shift button Setting button Power head ...

Page 18: ...er allowing it to be powered with 24 VAC or 24 VDC Therefore when used with NXT boards which require 24 VAC power supply and therefore send 24 VAC to the motor the inverter will convert it into 24 VDC Meter Outlet Diagnostic button Status LED Micro switches Brine valve DC motor NXT controller Piston Camshaft Power head Brine line Injector Inlet Display Regeneration button Shift button Setting butt...

Page 19: ... 10 2019 19 182 3 4 3 With NXT2 controller and DC motor Meter Outlet Up button Status LED Micro switches Brine valve DC motor NXT2 controller Piston Camshaft Power head Brine line Injector Inlet Display Regen button Left button Down button AC to DC converter Drain line ...

Page 20: ...k The brine is then directed down through the resin bed and up through the riser tube to the drain The hardness ions on the resin beads are replaced by sodium ions and are sent to the drain The resin is regenerated during the brine cycle When the air check valve closes brine drawing finishes and then the slow rinse phase starts Rapid rinse cycle C3 The valve directs water down through the resin be...

Page 21: ...et Inlet Outlet Drain Valve Valve SERVICE NORMAL USE C1 BACKWASH Outlet Inlet Inlet Outlet Drain Drain Valve Valve C2 BRINE DRAW SLOW RINSE C3 RAPID RINSE From brine tank Outlet Inlet Inlet Outlet Valve Valve C4 BRINE TANK REFILL C5 PAUSE DELAY To brine tank Untreated water with WBP piston only ...

Page 22: ...ank The brine is then directed down through the riser tube and up through the resin bed to the drain The hardness ions are replaced by sodium ions and are sent to the drain The resin is regenerated during the brine cycle Then the slow rinse phase starts Backwash cycle C3 The flow of water is reversed by the valve and directed down the riser tube and up through the resin bed During the backwash cyc...

Page 23: ...et Inlet Outlet Drain Valve Valve C1 PAUSE DELAY C2 BRINE DRAW SLOW RINSE Outlet Inlet Inlet Outlet Drain Drain Valve Valve C3 BACKWASH C4 RAPID RINSE Outlet Inlet Inlet Outlet Valve Valve C5 BRINE TANK REFILL SERVICE NORMAL USE To brine tank From brine tank Untreated water with WBP piston only ...

Page 24: ...guration C2 for UF configuration The flow of water is reversed by the valve and directed down through the riser tube and up through the filter media During the backwash cycle the filter bed is expanded and debris is flushed to the drain while the media bed is remixed Rapid rinse cycle C3 for DF configuration C4 for UF configuration The valve directs water down through the filter media and up throu...

Page 25: ... Description Ref MKT IM 010 C 18 10 2019 25 182 Outlet Inlet Inlet Outlet Drain Valve Valve SERVICE NORMAL USE C1 BACKWASH Outlet Inlet Inlet Outlet Drain Valve Valve C2 RAPID RINSE SERVICE NORMAL USE Untreated water with WBP piston only ...

Page 26: ...Installer manual Fleck 3150 NXT NXT2 Description 26 182 Ref MKT IM 010 C 18 10 2019 3 6 Injector block position for DF and UF configurations DF UF ...

Page 27: ... full water analysis to ensure the inlet water content will not affect the resin bed Info Please consult your resin manufacturer specifications to ensure that no additional pretreatment prior to softening is required The below sizing method can be applied for both residential and industrial softeners The sizing of a softener must be based upon certain parameters inlet water hardness peak flow rate...

Page 28: ...r Max flow rate in mm m3 h at 3 m s 0 5 12 1 22 0 75 20 3 39 1 25 5 73 1 25 32 8 69 1 5 40 13 57 2 0 50 21 20 2 5 63 34 2 3 0 75 49 2 4 2 2 Determining the required volume of resin When sizing a softener make sure that the volume of resin in the tank bed volume will be sufficient so that even when the peak flow rate is reached the velocity is still between the above values depending on the hardnes...

Page 29: ...pacity of the unit can be expressed in different ways the mass capacity which corresponds to the weight in equivalent CaCO3 that can be fixed on the resin expressed in kg as CaCO3 the volume capacity which represents the maximum amount of water that can be treated between 2 regenerations This last capacity takes into account the hardness of the water to be treated and is expressed in m3 or liter t...

Page 30: ...ity Ccapacity Vresin Ccor resin ex with Ccapacity system combined capacity f m3 or dH m3 Vresin volume of resin L Ccor resin ex corresponding resin exchange capacity f m3 l or dH m3 l To calculate the system volume capacity Vcapacity Mcapacity THinlet Or Vcapacity Ccapacity THinlet with Vcapacity system volume capacity m3 Mcapacity system mass capacity g as CaCO3 Ccapacity system combined capacity...

Page 31: ...wash flow rate to the above calculated flow rate To determine the injector size The velocities to be respected for brine draw and slow rinse are given on the resin manufacturer specifications Generally speaking the injector has to allow a flow rate of about 4BV h corresponding to the flow rate of brine being drawn added to the flow rate of raw water passing through the injector nozzle to create th...

Page 32: ...n the volume of water to use for backwash brine draw slow rinse and fast rinse To calculate the backwash duration Tbackwash NBVbw BV QDLFC with Tbackwash backwash duration min NBVbw number of bed volume for backwash BV bed volume L QDLFC drain line flow controller size L min Info The typical value of the volume of water to be used for backwash is between 1 5 and 4 times the bed volume depending on...

Page 33: ...fast rinse duration The fast rinse is aimed at eliminating an excess of salt in the resin bed and also recompacting the resin in the tank Depending on the valve type the fast rinse flow rate is controlled by the DLFC or it has about the same flow rate as in service The fast rinse velocity can be the same as the service velocity and the volume of water to be used for the fast rinse is generally bet...

Page 34: ...red to draw the brine take into account that the volume of brine Vbrine will be 1 125 bigger than the volume of water refilled 4 3 Salt amount definition The salt settings are controlled through the controller programming See Resin exchange capacity and capacity of the unit Page 29 4 4 1800 Injector flow rates The following tables and graphics represent the injectors flow rate as a function of the...

Page 35: ... System sizing Ref MKT IM 010 C 18 10 2019 35 182 INJECTOR 6 Total Rinse Draw Flow rate l min Inlet pressure bar INJECTOR 7 Total Rinse Draw Flow rate l min Inlet pressure bar INJECTOR 8 Total Rinse Draw Flow rate l min Inlet pressure bar ...

Page 36: ...anual Fleck 3150 NXT NXT2 System sizing 36 182 Ref MKT IM 010 C 18 10 2019 INJECTOR 9 Total Rinse Draw Flow rate l min Inlet pressure bar Rinse Draw INJECTOR 10 Total Rinse Draw Flow rate l min Inlet pressure bar ...

Page 37: ...efore performing any kind of action on the device please ensure to have disconnected the transformer from the power source to shut off inlet water supply to the valve and to drain water pressure opening a tap down line of the valve 1 Be careful when removing the valve from the box and during subsequent handling weight is liable to cause damage to property and persons in case of accidental impact 2...

Page 38: ...lvent on O rings nuts or the valve 5 3 2 Water Water temperature must not exceed 43 C for standard version 65 C for volumetric hot water version and 82 C for time clock hot water version a minimum of 1 8 bar of water pressure is required for the regeneration valve to operate effectively Mandatory Do not exceed a maximum of 8 6 bar inlet pressure In such cases it is necessary to install a pressure ...

Page 39: ...tube should be cut 0 to 3 mm below the top of the tank Slightly bevel the ridge in order to avoid deterioration of the seal whilst fitting the valve the drain line must be a minimum of 25 4 mm 1 in diameter do not support the weight of the system on the valve fittings plumbing or the bypass it is not recommended to use sealants on the threads Use PTFE plumber s tape on the threads of the drain elb...

Page 40: ... identify the connections When pressurized any composite tank will expand both vertically and circumferential In order to compensate the vertical expansion the piping connections to the valve must be flexible enough to avoid overstress on the valve and tank 5 5 1 Top mounted valve installation The valve and tank should not be supporting any part of the piping weight This is hence compulsory to hav...

Page 41: ... semi flexible piping failure to provide enough vertical compensation may lead to different kinds of damage either on the valve thread which connect to the tank or on the female thread connection of the tank that connect to the valve In some cases damage may also be seen on the valve inlet and outlet connections in any case any failure caused by improper installations and or piping connections may...

Page 42: ...Fleck meter Outlet shutoff Support tripod Manual shutoff valve bypass Outlet Unit 1 lead Drain line Rubber expansion joint To avoid the piping supporting the valve and side adapter weight they must be fixed on a tripod or any other appropriate support in order to adequately compensate the tank elongation the rubber expansion joints must be mounted on the top and bottom of the tank In red on the di...

Page 43: ...ample Can be integrated in the valve Pressure gauge Valve Resin tank Filter cartridge 28182 18979 Main inlet Pressure regulator Suggested options Check valve to prevent water harm By pass Meter Mixing device Drain line Brine line Brine tank Drain 3150 NXT A 2163 TM Block diagram Top mounted configuration example User s line ...

Page 44: ...P6 for NXT and P18 for NXT2 OUTPUT 24 VAC 50 60Hz 0 25 A MAX Info In this chapter systems up to four valves are used to describe and illustrate the different multiple valves systems even if the described system may control more than four valves Metered immediate The controller monitors the volume of water used As soon as the capacity is exhausted the controller starts the regeneration process Mete...

Page 45: ...te time clock mode or an external remote regen signal or day of week NXT2 controller only Inlet Meter Valve Outlet Tank 5 7 2 Multiple valves parallel interlock system System 5 This system type may be used to build systems from 2 to 4 valves for NXT controller 2 to 8 valves forNXT2 Each valve must be equipped with a water meter All tanks in parallel are supplying treated water Each unit in the sys...

Page 46: ...happens if no other valve is regenerating the lead valve starts regeneration while sending out a regeneration lock out signal to all other valves of the system If another valve is regenerating the valve will stay in service until the other goes back in service As soon as the lead valve finishes its regeneration cycle the second valve starts regenerating then the third etc The regenerating valve ke...

Page 47: ...emaining The remaining volume displayed drops with water consumption to reach zero When this happens the valve in service books a regeneration that will start at the programmed regeneration time When the programmed regeneration time is reached the valve in service sends a signal to the valve in standby that moves into service position Once the 2nd valve is in service regeneration of the exhausted ...

Page 48: ...om 2 to 4 valves for NXT controller 2 to 8 valves forNXT2 Each valve must be equipped with a water meter The number of tanks in service depends on the flow rate and on programmed settings 5 7 7 1 Examples of a four units system 1 One tank is in service at all time the primary tank Inlet Check valve Valve Outlet Tank Meter Stand By Stand By Service Primary tank Stand By 2 The total flow rate to the...

Page 49: ...d decreases below the first trip point The tank returns to standby Inlet Check valve Valve Outlet Tank Meter Stand By Stand By Primary tank Stand By Total flow rate demand below first trip point 4 Total flow rate demand increases and exceeds the second trip point for a longer period than the programmed delay time The second and third tank with the least remaining volumes change from standby to ser...

Page 50: ...s and returns below the second trip point Inlet Check valve Valve Outlet Tank Meter Service Stand By First trip point primary tank Stand By Total flow rate is split between two meters 6 Tanks return to standby due to decreased total flow rate and programmed trip points The tank with the most remaining volume will be the first to go into standby Inlet Check valve Valve Outlet Tank Meter 3rd in stan...

Page 51: ...order Inlet Check valve Valve Outlet Tank Meter New primary tank 3rd in standby In regen 1st in standby 2nd in standby If two tanks are in service and both becomes exhausted at the same time the other two tanks will shift from standby into service The lead tank with exhausted capacity will start regeneration The second tank with exhausted capacity will enter into standby If the flow increases and ...

Page 52: ...DCAM Lower piston cam UDM Upper power head motor LDM Lower power head motor W1 Black wire NC Normally closed W2 Red wire NO Normally open W3 Brown wire RST Reset button W4 Yellow wire S1 Inhibition signal when contact is closed W5 White wire S2 Remote regen signal start when contact is closed W6 Blue wire S3 External signal during service or regeneration W7 Orange wire S4 Dry contact switch functi...

Page 53: ...Installer manual Fleck 3150 NXT NXT2 Installation Ref MKT IM 010 C 18 10 2019 53 182 5 8 1 NXT controller connections ...

Page 54: ...stallation 54 182 Ref MKT IM 010 C 18 10 2019 5 8 2 NXT2 controller connections CAUTION Do not connect 24V AC or DC power supply on the Lower piston switch connector P17 as this would immediately and irreversibly damage the electronic board ...

Page 55: ... multiple valves 2 controllers NXT Duplex system 5 6 7 9 14 3 controllers NXT Triplex system 5 6 9 14 4 controllers NXT Quadriplex system 5 6 9 14 Info The valve with address 1 must not be at the left or right extremity of the system in order to ensure proper information communication in between the 4 valves of the system ...

Page 56: ... NXT2 controller connections for multiple valves Mandatory Use CAT5 with RJ45 connector or better twisted pair cables with a maximum length of 30 meters 2 controllers NXT2 Duplex system 5 6 7 8 9 14 3 controllers NXT2 Triplex system 5 6 9 14 4 to 8 controllers NXT2 Multiplex system 5 6 9 14 ...

Page 57: ...ss plumbing Use only 100 silicone grease products when installing any plastic valve Non silicone grease may cause plastic components to fail over time 5 10 Drain line connection Info Standard commercial practices are expressed here Local codes may require changes to the following suggestions Check with local authorities before installing a system Mandatory The drain line must be build with 2 PVC r...

Page 58: ...verflow line connection In the event of a malfunction the brine tank overflow fitting will direct overflow to the drain instead of spilling on the floor This fitting should be on the side of the brine tank Most brine tank manufacturers features a pre drilled hole for the tank overflow connector To connect the overflow line locate the hole on the side of the tank Insert the overflow fitting into th...

Page 59: ...10 brine valve 1 2 semi rigid or rigid piping CAUTION Flexible and semi flexible hoses may shrink because of the vacuum during brine draw The brine line from the tank connects to the valve Make the connections and hand tighten Be sure that the brine line is secure and free from air leaks Even a small leak may cause the brine line to drain out and the softener will not draw brine from the tank This...

Page 60: ...stem on demand 2 to 4 valves 2 Valve address single valve 1 address 1 lead valve 2 address 2 3 address 3 4 address 4 3 Valve status CHG change of state lower drive changes position on double piston valve INI initializing after a power failure or a change in the programming the controllers initializes for approximately 30 seconds RGQ regeneration queued in a meter delayed system the reserve capacit...

Page 61: ...nd to adjust the values d Press D at any time to exit programming mode without saving 6 1 3 Setting the time of the day Set the time in the system Mandatory In multiple valve systems set the time of day on the lead valve 1 Info The time of day will be automatically updated on the other valves in the system within 10 seconds Info If during time setting no buttons are pushed for 5 seconds the system...

Page 62: ...the SHIFT button to move to the left REGENERATI ON TIME 00 00 00 to 23 59 59 Hour Regeneration time will not appear unless regeneration day override or timeclock is on 6 1 4 2 Language setting Select the displayed language Options English French German Italian Spanish a Press and simultaneously for 5 seconds to enter the menus sequence b Select the language to be displayed with and c Press to vali...

Page 63: ...rride period elapsed Each volumetric regeneration happening reset the calendar override delay a Adjust the number of days with and b Press to validate the selection and advance to the next parameter ð Can be adjusted from 1 to 99 days for timeclock regeneration OFF to 99 days for metered regeneration Without calendar override override every 3 days 6 1 4 5 Regeneration start time Set the time for r...

Page 64: ... in the programming mode it is necessary to go through all the parameters 6 1 5 1 Master programming mode chart Parameter Options Definition Note LANGUAGE ENGLISH English FRANCAIS French DEUTSCH German ITALIANO Italian ESPANOL Spanish SYSTEM TYPE 4 Single unit 1 unit 5 Parallel interlock 2 to 4 units 6 Parallel series regeneration 7 Alternating immediate 2 units 9 Parallel with standby unit 2 to 4...

Page 65: ...layed for system type 14 DISPLAY FORMAT US GALLONS US units default EU METRIC LITERS Metric units UNIT CAPACITY 1 to 198 000 Gram CaCO3 Use the SHIFT button to move to the left CAPACITY SAFETY FACTOR 0 to 50 FEED WATER HARDNESS 1 to 1 999 Milligram CaCO3 L This screen will only display on the lead unit for system types 6 7 For all other system types it will display for all units Use the SHIFT butt...

Page 66: ...DE OFF to 99 Day Days between regenerations for timeclock mode REGENERATIO N TIME 00 00 00 to 23 59 59 Hour Regeneration time will not appear unless regeneration day override or timeclock is on CYCLE 1 OFF to 04 00 00 CYCLE 2 OFF to 04 00 00 CYCLE 3 OFF to 04 00 00 CYCLE 4 OFF to 04 00 00 CYCLE 5 OFF to 04 00 00 This screen will only display when cycle 4 is not OFF AUXILIARY RELAY Enabled Not comp...

Page 67: ...only display on the lead 1 unit for system types 6 7 All other system types it will display for all units 1 0 TURBI NE 1 5 PADDL E 1 5 TURBI NE 2 0 PADDL E 3 0 PADDL E GENERIC PEAK FLOW RATE 20 to 2 000 l min Only displayed if Generic is chosen for the flow meter ADD XXX LITERS EVERY YYY PULSES 1 to 255 XXX number of liter YYY number of pulses 6 1 5 2 Entering master programming mode a Press and s...

Page 68: ... valves system on demand a Set the system type with and b Press to validate the selection and advance to the next parameter Example 4 Single valve Example 5 multiple valves 6 1 5 5 Valve address in the system Set the valve position in the system Info Only visible in systems 5 6 7 9 and 14 Info The number 1 is the lead valve master and contains the programmed parameters used by the other controller...

Page 69: ...lt setting 2 valves b Press to validate the selection and advance to the next parameter 6 1 5 7 Regeneration type Select the regeneration type Options time clock delayed regeneration will take place at the programmed regeneration time after the set amount of days has been reached available only for system type 4 volume delayed regeneration is requested when the volume of treated water reaches the ...

Page 70: ...pends on the valve type programmed in the previous step Options down flow up flow not for 2850 valve type up flow fill first only for 2750 and 2900 2910 types a Set regeneration flow with and ð Default setting down flow b Press to validate the selection and advance to the next parameter 6 1 5 10 Remote started regeneration Start regeneration from an external signal see chapter Electrical connectio...

Page 71: ... as CaCO3 FR F GE dH IT TH SP TH a Set the display format with and b Press to validate the selection and advance to the next parameter 6 1 5 12 System capacity Set the capacity of the tank where the valve is installed Info Based on system capacity safety coefficient and inlet water hardness the controller calculates the volume of water that the system can treat between 2 regenerations a Set the un...

Page 72: ...e to the next parameter 6 1 5 15 Trip points setting Set the flow rate and switching delay when another tank is switched to service Info Only visible in system 14 Trip point 1 Info Only visible if controller programmed as valve position 1 a Set the trip point 1 flow rate with and ð Can be adjusted from 0 to 3997 l min b Press to validate the selection and advance to the next parameter c Set the tr...

Page 73: ...th and ð Can be adjusted from 30 to 99 seconds d Press to validate the selection and advance to the next parameter 6 1 5 16 Regeneration days override Set the maximum number of days that the valve is in service without regenerating regardless from the volume of water used Info For a timeclock valve this value must be set as regeneration period in days For metered valves it is regenerated once the ...

Page 74: ...g regeneration cycle times Set the cycle times of the regeneration Info Five cycles can be set The system displays the programming cycles The display allows setting of a specific time for each cycle If a cycle is set to NO the next cycles is not activated Info The sequence of the regeneration cycles depends upon regenerant flow see System regeneration cycle Page 20 a Adjust the cycle time with and...

Page 75: ...utput The time 00 00 00 correspond to the beginning of regeneration time a Activate the relay with and b Default setting disabled c Press to validate the selection and advance to the next parameter d Set the relay activation time with and e Press to validate the selection and advance to the next parameter f Set the relay deactivation time with and g Press to validate the selection and advance to t...

Page 76: ...vance to the next parameter d Set the relay activating time with and e Press to validate the selection and advance to the next parameter f Set the relay deactivating time with and g Press to validate the selection and advance to the next parameter Disabled Relay enabled every 20 liter Relay enabled for 1 min 6 1 5 20 Flow meter selection Select the size of the flow meter Options 1 0 paddle standar...

Page 77: ...date the selection and advance to the next parameter c Set the number of liters per pulse s with and d Press to validate the selection and advance to the next parameter e Set the number of pulses for the programmed number of liters with and f Press to validate the selection and advance to the next parameter Example 290 L min Example 1 liter for 1 pulse Example 5 liter for 1 pulse Example 2 liter f...

Page 78: ...ode b Press to pass at the next step c Press D to exit the Diagnostic mode at any time 6 1 6 2 Current flow rate Info The display is updated every second 6 1 6 3 Peak flow rate Info The controller registers the highest flow rate since the last regeneration 6 1 6 4 Totalizer Info The controller registers the total volume of treated water that passes through the meter since start up or last hard res...

Page 79: ...regeneration Info Shows the number of hours since the last regeneration indicating the duration of the current service cycle 6 1 6 7 Volume remaining Info Shows the volume remaining for the valve where controller is installed excepted for system 6 where it shows the volume remaining of the complete system In system 4 5 7 9 and 14 In system 6 complete system 6 1 6 8 Valve position Info Shows the po...

Page 80: ...Mandatory Once this operation completed it is necessary to check all programming steps Info There are two methods to reset 6 1 7 1 Partial reset CAUTION All the parameters are set to default values except flow meter totalizer volume in diagnostic mode a Press and hold and for 25 seconds until the display shows time of day 6 1 7 2 Hard reset CAUTION All the parameters are set to default values a Di...

Page 81: ...Multiple valves parallel interlock system 2 to 8 valves 6 Multiple valves parallel series regeneration system 2 to 8 valves 7 Duplex alternating immediate system 2 valves 8 Duplex alternating delayed system 2 valves 9 Multiple valves parallel system with standby unit 2 to 8 valves 14 Multiple valves system on demand 2 to 8 valves 2 Network Indicator Connected Disconnected Unit missing USB Connecte...

Page 82: ...lve in standby Remote Regeneration 4 Flow indicator Flashing when flow is going through the meter 5 LED Status Indicator Blue In Service Flashing blue Regeneration Queued Green Regeneration Flashing green Standby Red Error condition present All LED flashing Delayed unlock 6 Master unit auto assigned for multi unit system Empty for single unit 7 Time of the day 24h mode or 12h am pm depending on un...

Page 83: ...ngles Cursor a Press to pass to the next step and save programming b Use to move the cursor to the next digit or use to move the cursor to the previous digit c Use and to adjust the values d Press at any time to return to previous step without saving the current parameters changes 6 2 2 2 Access commands Info Hold pressed 2 seconds the following buttons Enter diagnostic menu Enter time of day menu...

Page 84: ...setting no buttons are pushed for 5 minutes the system leaves the setting menu 6 2 3 1 Time of day Set the time in the system a Press or for 2 seconds b Adjust as desired the time with and c Press to validate the selection and advance to the next parameter 6 2 3 2 Year Set the year a Set the year with and b Press to validate the selection and advance to the next parameter 6 2 3 3 Month Set the mon...

Page 85: ...ed regeneration types Hours or days between regenerations only for time clock regeneration type 4 8 12 16 20 Hour 1 to 1999 Day REGENERATIO N TIME 00 00 to 23 59 Hour Regeneration time will not appear when day override time driver is by hours for time clock or OFF for meter immediate regeneration type HARDNESS 1 to 1999 Gram as CaCO3 equivalent if hardness unit is mg L FTH if hardness unit is FTH ...

Page 86: ...timeclock regeneration and from OFF to 99 days for metered regeneration Without calendar override Override every 3 days 6 2 4 3 Regeneration time Set the time for regeneration start Mandatory It must be set when the regeneration mode programmed is timeclock day of week mode volumetric delayed mode and any time a calendar override period is set a Adjust the time with and b Press to validate the sel...

Page 87: ...selection 6 2 5 Master programming mode Info As soon as programming mode is entered all parameters can be displayed or set to suit the needs Depending on the current programming some functions will not be displayed or will not be changeable Info If none of the buttons are pushed for 5 minutes in the Programming mode or if there is a power failure the controller returns to Service mode without savi...

Page 88: ...iate 2 units 8 Alternating delayed 9 Parallel with standby unit 2 to 8 units 14 On demand NUMBER OF TANKS 2 to 8 Valves in the system This screen will not be displayed for system type 4 7 and 8 TRIP POINT X LPM 1 to 7563 l min System 14 only TRIP POINT X SERVICE DURATION 1 to 90 Second System 14 only Duration for which the service flow rate must be greater than the above trip point flow rate to ca...

Page 89: ...ered delayed Systems 4 6 and 8 only UNITS US US units default METRIC Metric units VOL OVERRIDE VOLUMETRIC 0 to 9999999 Liter This screen will only display when regeneration type selected is filter meter immediate or Delayed HARDNESS UNITS mg L mg L as CaCO3 equivalent default This screen will only display when regeneration type selected is softener meter immediate or delayed with metric units DH F...

Page 90: ...E RESERVE FIXED FIXED VOLUME FIXED 0 to 50 This screen will only display when regeneration type selected is softener meter delayed with fixed reserve Any value set above 50 will be discard and 50 will be considered as reserve FIXED VOLUME 0 up to the half of the total capacity Liter This screen will only display when regeneration type selected is softener meter delayed with fixed volume reserve Ra...

Page 91: ...not appear when day override time driver is by hours for time clock or OFF for meter immediate regeneration type LOCK WINDOW 1 ON Period during which no regeneration can start Maximum 2 lock windows programmable OFF default LOCK START 1 00 00 to 23 59 Hour This screen will only display when lock windows 1 is on LOCK END 1 00 00 to 23 59 Hour This screen will only display when lock windows 1 is on ...

Page 92: ...r delayed 0 75 PADDLE default for 2510 0 75 TURBINE 1 0 PADDLE default for 2750 1 0 TURBINE 1 25 TURBINE 1 5 PADDLE default for 2815 and 2850 1 5 TURBINE 2 0 PADDLE default for 2910 and 3150 3 0 PADDLE default for 3900 PULSES L 0 to 1500 PULSES L Only displayed if Generic is chosen for the meter type MAXIMUM FLOW LPM 76 to 7570 l min CONTINUOUS FLOW DETECT ON This screen will only display when reg...

Page 93: ...s chosen for auxiliary 1 Activate or de activate for each position deactivated activated BW Backwash position BD Draw and slow rinse position RR Rapid rinse position RF Refill position SB Pause position AUX 1 TIME BASED START TIME 1 0 to total regeneratio n time minus 1 minute Minute Only displayed if Time based is chosen for auxiliary 1 AUX 1 TIME BASED END TIME 1 from start time 1 plus 1 minute ...

Page 94: ... capacity Even if maximum theoretical programmable value is 999999 the controller will take the unit capacity as maximum volume AUX 1 VOLUME BASED DURATION 1 to 7200 Second Only displayed if volume based is chosen for auxiliary 1 Volume range depend on capacity Even if maximum theoretical programmable value is 9999 the controller will take 7200 as duration AUXILIARY 2 STANDBY Activates relay from ...

Page 95: ...1 minute until total regeneratio n duration Minute AUX 2 TIME BASED START TIME 2 OFF End time 1 to total regeneratio n duration minus 1 minute Minute Only displayed if Time based is chosen for auxiliary 2 and END TIME 1 total regeneration duration minus 1 minute Range depend on Start and end time 1 values AUX 2 TIME BASED END TIME 2 OFF From start time 2 1 minute until the total regeneratio n dura...

Page 96: ... setting prevents unexpected access to master programming DELAYED ENTER CODE TIME BASED 6 2 5 2 Entering master programming mode a Press and hold and simultaneously for two seconds to enter the master programming mode b Set the password using and ð If the controller calls for a Password that is unknown to you please contact your installer If lock settings is activated 6 2 5 3 Settings review Activ...

Page 97: ...1 and 2 Edit names of assistance Info Maximum 12 characters per screen Tip Press the button for 2 seconds to go immediately to next screen a Edit assistance name using and ð Assistance name is empty by default ð Each character can be chose from A to Z or stay empty b Press to validate the selection and advance to the next parameter 6 2 5 6 Assistance phone Edit phone number Info Maximum 14 digits ...

Page 98: ...lternating immediate system 2 units 8 duplex alternating delayed system 2 units 9 multiple valves parallel system with standby unit 2 8 units 14 multiple valves system on demand 2 8 units a Select the system type with and ð Default system system 4 b Press to validate the selection and advance to the next parameter Example 4 Single valve Example 5 multiple valves 6 2 5 8 Number of tanks Set the num...

Page 99: ... flow rate equal to the previous one plus 1 l min a Set the trip point flow rate with and ð Can be adjusted from 1 to 7569 l min b Press to validate the selection and advance to the next parameter c Set the trip point service duration with and ð Can be adjusted from 1 to 90 seconds d Press to validate the selection and advance to the next parameter e Set the trip point service standby with and ð C...

Page 100: ...screen will display for system 4 and 6 For all other systems the regeneration type is defined by default meter delayed for system 8 and meter immediate for system 5 7 9 and 14 Info The availability depends on regeneration flow softener or filter type programmed in the previous step Options time clock The unit will regenerate at the preset regeneration time once the preset interval between two rege...

Page 101: ... Page 101 a Set the unit system with and ð Default system unit US b Press to validate the selection and advance to the next parameter 6 2 5 14 Volume override Volumetric Set the volume of water between 2 cleaning regeneration cycles Info Available only for filter metered systems a Set the volume override with and ð Can be adjusted from 0 to 9 999 999 liter b Press to validate the selection and adv...

Page 102: ...o When hardness unit is programmed in mg L as CaCO3 the capacity must be programmed in grams as CaCO3 equivalent and correspond to the total equivalent mass of CaCO3 that the system can treat before requiring regeneration When the hardness unit is programmed in FTH dH or EH the capacity must be programmed in liter and correspond to the total volume of water the system could treat if the inlet wate...

Page 103: ...or the relevant unit b Press to validate the selection and advance to the next parameter 6 2 5 18 Reserve Set the reserve type Info Available only for softening metered systems Options weekly reserve variable reserve fixed fixed volume a Select reserve type with and b Press to validate the selection and advance to the next parameter Fixed Set the percentage of the total unit capacity used to calcu...

Page 104: ...ter if metric units were programmed or US gallon if US units were programmed see Units Page 101 ð The maximum reserve volume capacity settable will correspond to the half of the total volume b Press to validate the selection and advance to the next parameter 6 2 5 19 Remote regeneration Set the regeneration type for remotely started regeneration external dry contact input see chapter Electrical co...

Page 105: ...s programmed in Remote regeneration Page 104 a Set the signal duration with and ð Can be adjusted from 1 to 5940 seconds b Press to validate the selection and advance to the next parameter 6 2 5 21 Day of the week Select the day of the week of regeneration Info Available only for day of the week regeneration type Options Sunday Monday Tuesday Wednesday Thursday Friday Saturday a Select the days fo...

Page 106: ... of days with and ð Can be adjusted with 4H 8H 12H 16H 20H or from 1 to 99 days for timeclock regeneration and from OFF to 99 days for metered regeneration b Press to validate the selection and advance to the next parameter Calendar override deactivated Override every 3 days 6 2 5 23 Regeneration time Set the time for regeneration start Info Depending on regeneration mode programmed this parameter...

Page 107: ...anymore in the programming Lock window 1 Set Lock Window 1 settings a Enable lock window with and ð Default setting off b Press to validate the selection and advance to the next parameter c Set lock start time with and d Press to validate the selection and advance to the next parameter e Set lock end time with and f Press to validate the selection and advance to the next parameter Lock window 1 ac...

Page 108: ...eter e Set lock end time with and f Press to validate the selection and advance to the next parameter Lock window 2 activated Lock window 2 starts at 13 00 Lock window 2 ends at 14 00 6 2 5 25 Programming regeneration cycles time Set the regeneration cycles duration in minutes Info A maximum of 5 cycles can be programmed Info For filter system only backwash and rapid rinse are available Info The s...

Page 109: ... min 5 Pause not used 6 2 5 26 Meter type Select the size of the flow meter Info Available only for softening metered systems Options 0 75 paddle standard for 2510 valve series 0 75 turbine 1 0 paddle standard for 2750 valve series 1 0 turbine 1 25 turbine 1 5 paddle standard for 2815 and 2850 valve series 1 5 turbine 2 0 paddle standard for 2900 and 3150 valve series 3 0 paddle standard for 3900 ...

Page 110: ...ple 1 pulse per 1L Example 2000 l min 6 2 5 27 Continuous flow detect settings Set continuous flow detect Info Alert appears when specified continuous flow rate is detected during service over a specified duration Info Available only for softening metered systems Info This parameter has three settings The first one enables or disables continuous flow detection option If activated then 2 step will ...

Page 111: ...activated Continuous flow detect Flow rate 0 1 l min Continuous flow detect Duration 8H 6 2 5 28 Auxiliary Relays settings Program auxiliary output relays dry contact To locate the relays on the board see AUX 1 and AUX 2 at NXT2 controller connections Page 54 Info The NXT2 has two auxiliary relays available based on alarm cycle time or volume The following settings are auxiliary 1 settings and are...

Page 112: ...ay output The time 0 MIN corresponds to the beginning of regeneration time If the first interval of activation does not cover the whole regeneration duration it is possible to set up a second interval a Set the relay Start time 1 with and b Can be adjusted from 0 to the total regeneration duration minus 1 minute c Press to validate the selection and advance to the next parameter d Set the relay En...

Page 113: ...elay output during the service for a preset duration based upon the volume of treated water Info Only visible if volume based was selected as auxiliary in the previous step Info Only visible in metered systems Info This parameter has two steps The first one determines the volume which activates the relay The second one determines how long the relay has to be activated once the volume has passed a ...

Page 114: ...nique changes to individual units Options off on a Select the push settings with and b Default setting enabled c Press to validate the selection and advance to the next parameter 6 2 5 30 Save as non factory Info Parameters set on master programming menu can be saved as a non factory program This saved program will be restorable from the reset menu Options off on a Select save as non factory optio...

Page 115: ... enter Code time Based a Select save as non factory option with and b Default setting disabled c Press to validate the selection 6 2 5 32 Parameters saving Info When the last parameter is set and the button pressed after lock settings the controller updates the database based on the new programming Info The main screen appears and valve status is initializing Wait until updating is finished this m...

Page 116: ...mode at any time 6 2 6 2 Flow rate Info The display is updated every second 6 2 6 3 Peak flow rate Info The controller registers the highest flow rate since the last regeneration 6 2 6 4 Totalizer Info The controller registers the total volume of treated water that passes through the meter since start up or last hard reset a To reset press and hold the buttons and for 5 seconds until the display s...

Page 117: ...in a multiple valve system 6 2 6 8 Last regeneration Info Shows the number of hours since the last regeneration indicating the duration of the current service cycle 6 2 6 9 Software version Info Shows the version of the software loaded in the controller Mandatory In case of use of multiple valves system verify the controller s software compatibility 6 2 6 10 Number of regeneration Info Shows numbe...

Page 118: ...ons 6 2 6 12 Last settings change Info Shows when the last settings change occurred 6 2 6 13 Error log Info The last 20 error or alarm events are registered showing time and date of occurrences 6 2 6 14 Sunday average daily usage Info Shows average water consumption on Sunday 6 2 6 15 Sunday daily usage Info Shows water consumption for the last 20 Sunday ...

Page 119: ...mption on Monday 6 2 6 17 Monday daily usage Info Shows water consumption for the last 20 Monday 6 2 6 18 Tuesday average daily usage Info Shows average water consumption on Tuesday 6 2 6 19 Tuesday daily usage Info Shows water consumption for the last 20 Tuesday 6 2 6 20 Wednesday average daily usage Info Shows average water consumption on Wednesday ...

Page 120: ...e last 20 Wednesday 6 2 6 22 Thursday average daily usage Info Shows average water consumption on Thursday 6 2 6 23 Thursday daily usage Info Shows water consumption for the last 20 Thursday 6 2 6 24 Friday average daily usage Info Shows average water consumption on Friday 6 2 6 25 Friday daily usage Info Shows water consumption for the last 20 Friday ...

Page 121: ...oller Mandatory Once you have completed this operation it is necessary to check all programming steps Info There are two options to reset reset to factory defaults or reset to Non Factory Defaults CAUTION Reset to factory defaults All the parameters are set to factory default values Reset to non factory defaults All the parameters are set to previously saved default values Options back acces to ma...

Page 122: ...gramming 122 182 Ref MKT IM 010 C 18 10 2019 a Power on the unit b WhenPentair s logo appears press and hold ð The Reset menu appears c Select reset option with and ð Default setting reset to factory defaults d Press to validate the selection ...

Page 123: ...en C4 or Cycle 4 5 is displayed let the valve run the entire cycle and check the level of water in the brine tank The level of water in the brine tank should be about 5 cm above the salt platform You may want to mark the level on the brine tank as this can be used as an indicator for the future lifetime of the softener g Once C5 or Cycle 5 5 is completed the valve will automatically go back into s...

Page 124: ...reated water quality for a short period This can be avoided by manually balancing the capacities of the different tanks at start up Note that this operation may require to be done regularly during normal service life of the system Example Assuming a triplex system 5 or 9 The valve with address 1 is set capacity at 50 of its real capacity in the diagnostic mode The valve with address 2 is set it at...

Page 125: ... solution to the well of the brine tank The brine tank should have water in it to permit the solution to be carried into the softener Proceed with the normal regeneration Calcium hypochlorite Calcium hypochlorite 70 available chlorine is available in several forms including tablets and granules These solid materials may be used directly without dissolving before use Do not let the disinfectant sta...

Page 126: ...generation system 8 1 1 2 During regeneration During regeneration the display shows the cycle number and the time remaining for that cycle The countdown for the time remaining starts only when the valve is in the cycle displayed Cycle 1 time remaining 10 min cycle 2 time remaining 1 hour 20 min cycle 3 time remaining 50 min cycle 4 time remaining 2 hours 40 min cycle 5 time remaining 15 min 8 1 2 ...

Page 127: ...time remaining starts only when the valve is in the cycle displayed The timer advance to regeneration cycle step 1 During transition to cycle cycle step 1 time remaining 10 min Once in position the timer advance to regeneration cycle step 2 During transition to cycle cycle step 2 time remaining 1 hour 20 min Once in position the timer advance to regeneration cycle step 3 During transition to cycle...

Page 128: ...use of clean salt free from impurities is recommended for example salt pellets do not use ice melt block or rock salts the sanitizing process both with liquid and electrochlorination may introduce chlorine compounds which may reduce the lifetime of the ion exchange resins Refer to the technical guides for resins in common use providing necessary checks on the system 8 3 Manual regeneration Mandato...

Page 129: ...a Press for NXT or for NXT2 to pass to the next regeneration cycle 8 3 4 To stop a regeneration NXT2 only a Press and hold to stop the regeneration 8 4 Operation during a power failure All the program settings are stored in a permanent memory current valve position cycle step time elapsed and time of day are stored during a power failure and will be restored upon power restoration time is kept dur...

Page 130: ...1 1 2 Valve used for filtration a Check for raw water analysis and filter s targeted contaminants concentration b Check for treated water analysis and compare with raw water data 9 1 2 Mechanical Checks a Inspect general condition of softener filter and associated ancillaries and check for any leaks ensure valve connection to piping is made with adequate flexibility as per manufacturer instruction...

Page 131: ...Check brine tank refill ð Check operation of safety brine valve where fitted ð Check for brine draw off levels ð Check for resin loss at the drain during regeneration ð Where fitted check for satisfactory operation of solenoid i e outlet shut off during regeneration and or brine line shut off valve s d Test and record Total Hardness of outlet water from softener vessel s 9 1 3 2 Valve used for fil...

Page 132: ...replace if necessary Check clean replace if necessary Replace O rings Check for watertightne ss clean or replace in case of leakage Check for watertightne ss clean or replace in case of leakage Check for watertightne ss clean or replace in case of leakage Check for watertightne ss clean or replace in case of leakage Check for watertightne ss clean or replace in case of leakage Motors Check Check C...

Page 133: ...s if present Check Check Check Check Replace Valve watertightne ss Check Check Check Check Check Valve to piping watertightne ss Check Check Check Check Check Wear parts durability strongly affected by raw water quality and regeneration frequency Electronic parts durability strongly affected by power source quality and stability Elastomer durability is strongly affected by raw water concentration ...

Page 134: ...of leakage Motors Check Check Check Check Replace Gearing Check Check Check Check Check replace if necessary Electronic settings Check Check Check Check Check replace if necessary Transformer Check Check Check Check Check replace if necessary Microswitche s Check Check Check Check Replace Meter s if present Check and Clean Check and Clean Check and Clean Check and Clean Replace Meter cable s if pr...

Page 135: ... sheet 9 3 2 Use original approved lubricants Dow Corning 7 Release Agent 9 3 3 Maintenance instructions Disinfect and clean the system at least once a year or if the treated water has an off taste or an unusual odor perform a hardness test every year of both inlet and treated water 9 4 Cleaning and maintenance 9 4 1 First steps Before any cleaning or maintenance procedure complete the following s...

Page 136: ...crewdriver unscrew 1 and open the cover 2 b Disconnect the motor 9 c Remove the micro switches 10 see Micro switches replacement Page 145 d Using a Philips screwdriver unscrew 5 and open the controller 8 e Using pliers remove the retaining clip 3 and the circlip 6 f Remove the pin 4 and the plate 7 g Using pliers remove the circlip 14 and the wheel 13 h Using a flat screwdriver unscrew 12 i Using ...

Page 137: ...Installer manual Fleck 3150 NXT NXT2 Maintenance Ref MKT IM 010 C 18 10 2019 137 182 AC motor DC motor ...

Page 138: ... the cover 2 b Disconnect the motor 8 c Remove the micro switches 9 see Micro switches replacement Page 145 d Open the controller 7 e Using pliers remove the retaining clip 3 and the circlip 5 f Remove the pin 4 and the plate 6 g Using pliers remove the circlip 13 and the wheel 12 h Using a flat screwdriver unscrew 11 i Using a wrench unscrew 10 and remove the motor 8 j Reverse above procedure ste...

Page 139: ...Installer manual Fleck 3150 NXT NXT2 Maintenance Ref MKT IM 010 C 18 10 2019 139 182 DC motor ...

Page 140: ... g Remove the pin 4 and the plate 7 h Using pliers remove the circlip 15 and the wheel 14 i Using a flat screwdriver unscrew 12 j Using a wrench unscrew 13 and remove the AC motor 9 k Fit the DC motor 10 in place and using a screwdriver screw 12 l Using a wrench screw 13 m Fit the wheel 14 in place and fix the circlip 15 using pliers n Fit the plate 7 with the pin 4 in place o Using pliers fix the...

Page 141: ...Installer manual Fleck 3150 NXT NXT2 Maintenance Ref MKT IM 010 C 18 10 2019 141 182 AC motor DC motor ...

Page 142: ...ng a flat screwdriver unscrew 1 and open the cover 2 b Press on the clips 3 and remove the controller 4 c Disconnect the controller 4 d Connect the new NXT2 controller 5 see NXT2 controller connections Page 54 e Clip the new NXT2 controller 5 in the controller holder 6 f Close the cover 2 and using a flat screwdriver screw 1 ...

Page 143: ... 12 g Using the puller remove a spacer 8 or 9 h Repeat the two previous steps for all the seals and spacers i Lubricate each new seals 12 j Put back a seal 12 using the stuffer k Put back a spacer 8 or 9 using the stuffer Mandatory Respect the order of the spacers shown on the sketch l Repeat the two previous steps for all the seals and spacers m Lubricate the piston o ring 11 n Put back the pisto...

Page 144: ...Installer manual Fleck 3150 NXT NXT2 Maintenance 144 182 Ref MKT IM 010 C 18 10 2019 ...

Page 145: ... 010 C 18 10 2019 145 182 9 4 6 Micro switches replacement a Using a flat screwdriver unscrew 1 and open the cover 2 b Using a Phillips screwdriver unscrew 3 and extract the protection plates 4 and the micro switches 5 c Reverse above procedure steps to rebuild ...

Page 146: ...hes 3 see Micro switches replacement Page 145 c Disconnect the motor 4 d Using a Philips screwdriver open the controller 7 e Using pliers remove the clip 5 and the connecting pin 6 f Using pliers remove the circlip 12 and the wheel 11 g Using a 10 mm wrench unscrew 9 and remove the plate 10 and the camshaft 8 h Using a pin punch remove the pin 13 i Reverse above procedure steps to rebuild ...

Page 147: ... mm Allen wrench unscrew 5 and remove the T tube 6 the o rings 3 and 12 the injector throat 4 and the injector washer 2 e Clean the injector throat 4 and the injector washer 2 using compressed air a soft brush or possibly a pin f Lubricate on the o rings 3 8 and 12 using silicone grease g Reverse above procedure steps to rebuild Mandatory The injector washers 2 have to be installed with their cham...

Page 148: ...Installer manual Fleck 3150 NXT NXT2 Maintenance 148 182 Ref MKT IM 010 C 18 10 2019 ...

Page 149: ... control housing 1 from the valve b Using pliers remove the retaining ring 6 the flow control retainer 5 the washer holder 3 and the washer 4 c Remove the washer 4 from washer holder 3 d Clean or change the washer 4 e Lubricate the seal 2 with approved silicone lubricant only f Follow the procedure three first steps in reverse order to rebuild ...

Page 150: ... 4 and the seat 6 c Remove the washers 5 from the seat 6 d Clean or change the washers 5 e Lubricate the seal 3 with approved silicone lubricant only f Follow the procedure three first steps in reverse order to rebuild Mandatory The washers 5 have to be installed with their chamfered side upfront the water stream flow Flow indication must be visible after the washer 5 is placed on the seat 6 ...

Page 151: ...ensuring the threads are not cross threaded c Rotate the valve 1 clockwise and freely without using force until it comes to a stop Info This stop position is considered point zero d Rotate the valve 1 clockwise from point zero to between turn and turn CAUTION Do NOT exceed 27 Nm of torque when installing the valve Exceeding this limit may damage the threads and cause failure Point 0 turn Point 0 t...

Page 152: ...n the Master Programming Mode the volume remaining may be reset to the full unit capacity as though it had just regenerated if an error is present a regeneration can only occur manually by pressing and holding or for 5 seconds if the unit was in regeneration when the error occurred it completes the regeneration cycle and goes to service when the problem is corrected and the error no longer display...

Page 153: ...in brine tank below Controller cycles continuously Maladjusted broken or shorted micro switch Determine if micro switch or controller is faulty and replace it or replace complete power head Loss of water pressure Iron buildup in line to water softener Clean line to water softener Iron buildup in water softener Clean controller and add mineral cleaner to mineral bed Increase frequency of regenerati...

Page 154: ... Controller is not programming correctly Check controller program and positioning of controls Replace power head assembly if not positioning properly Foreign material in valve body Remove power head assembly and inspect bore Remove foreign material and check valve body in various regeneration positions Internal valve leak Replace seals and piston assembly 10 2 Programming error If reprogramming th...

Page 155: ...of measure System size the number of units in the system does not correspond to the number programmed and vice versa Check to make sure that system number and number of units correspond 10 3 Examples of error displayed 10 3 1 NXT controller The unit 2 has been reset Reprogram the unit there is no message from unit 3 The number indicate the unit to be checked in the system Check that communication ...

Page 156: ...a manual regeneration motor current exceeds thresholds Call your supplier flow exceeded specified threshold for a specific duration Call water treatment specialist during a setting push a packet was missing Reconnect communication cables and push setting in Master Settings the system type among connected units does not match Push correct system settings in Master Settings Check all programming ste...

Page 157: ...low 1 26745 6 Brine valve 1800 assy 3900 down flow 1 26745 7 Brine valve 1800 assy 3900 down flow 1 26745 8 Brine valve 1800 assy 3900 down flow 1 26745 9 Brine valve 1800 assy 3900 down flow 1 26745 10 Brine valve 1800 assy 3900 down flow 1 2 60106 00 Piston assy 3150 upper down flow 1 60106 10 Piston assy 3150 up flow 1 60113 01 Piston assy 3150 NBP down flow 1 3 18022 Seals spacers kit 3150 upp...

Page 158: ... BU28516 01 Valve body assy 3150 WBP 1 BU28516 02 Valve body assy 3150 NBP 1 BU28516 03 Valve body assy 3150 up flow 1 10 18023 Tank adapter assy 3150 SM 1 11 25165SP Screw THM 12x35 10 12 15112 Seal 3150 adapter base 1 13 18024 Tank adapter assy 3150 TM 1 14 13575 01SP O ring 560 CD top of tank 5 15 25823 O ring 63mm 3150 TM 1 16 PH3150 001 Power head 3150 24V 50Hz grey without timer 1 PH3150 002...

Page 159: ...ng quantity 1 26637 Cover assy 3150 upper grey 1 2 26260 Transformer 24 VAC 60 VA 1 44415 Transformer 24 VDC 1 3 17967 Liquid tight 1 4 25352 Guide cable cable assy 3150 2 1 5 16051SP Retaining ring 10 6 16059SP Washer 10 7 16052SP Bushing 10 8 16053 Bracket brine side 1 9 23728SP Screw THM 6x12 8 10 40080SP Screw microswitch 10 11 10302SP Insulator limit switch 10 ...

Page 160: ...AC 1 28409 03 Drive Motor assy 3150 3900 230 VAC 1 17 16494 04 Cam assy 3150 upper up flow grey 1 16494 05 Cam assy 3150 upper down flow black 1 18 15120 01 Bracket motor 3150 1 19 40941 Wire Harness upper driver 1 20 21594 Controller assy NXT2 1 21 21595 Circuit board NXT2 1 22 21361SP Screw TCHCM 8x16 10 23 11080SP Screw flat head 10 24 18963 31 Drive gear 3150 adapter 1 25 16050SP Retaining rin...

Page 161: ...10 C 18 10 2019 161 182 11 3 1800 injector parts list Item Part number Description Packaging quantity 1 18702 Fitting tube 1 2 NPT 5 8 1 2 19677SP Screw 10 3 16341 01 Inj cover 1800 1 4 15246 01SP O ring 560CD 1 5 15128 04SP Injector nozzle 4 1 15128 05SP Injector nozzle 5 1 ...

Page 162: ... 21 Injector body UF 1 7 19054SP O ring 1 8 15127 04 Injector throat 4 1 15127 05 Injector throat 5 1 15127 06 Injector throat 6 1 15127 07 Injector throat 7 1 15127 08 Injector throat 8 1 15127 09 Injector throat 9 1 15127 10 Injector throat 10 1 9 60734 Pressure regulator assy 3150 3900 1 11 4 BLFC parts list Item Part number Description Packaging quantity 1 BR16530 Flow control housing 1 2 1929...

Page 163: ...ackaging quantity 12087SP Washer flow 2 0 gpm 10 12089SP Washer flow 3 0 gpm 10 12090SP Washer flow 3 5 gpm 10 12092SP Washer flow 5 0 gpm 10 12408SP Washer flow 7 0 gpm 10 16529SP Washer flow 10 0 gpm 5 16736SP Washer flow 15 0 gpm 5 16528SP Washer flow 20 0 gpm 5 5 16738SP Flow control retainer 10 6 16805SP Retaining ring 10 ...

Page 164: ...iption Packaging quantity 1 25580 ALL 2 DLFC assy 3150 3900 30 100 gpm 1 2 25177 Screw 10 3 27913 21 2 Flow control housing BSP 2 4 16650 Plate DLFC cover 1 5 16529 Flow controller washer 10 gpm 2 6 16736 Flow controller washer 15 gpm 4 16528 Flow controller washer 20 gpm 4 16737 Flow controller washer 25 gpm 4 7 16649 Holder DLFC button 1 ...

Page 165: ...ne valves list Item Part number Description Packaging quantity 1 25453 SBV 2350 without air check 5 2 28182 Union PVC female 1 to be glued male 1 BSP 5 11 7 Distribution systems parts list CAUTION Respect the valve sizing configuration to avoid the resin to leak through the valve Info The 0 2 mm and 0 3 mm slots are used for softening systems and the 0 5 mm slots are used for filtering systems ...

Page 166: ...ty 1 A 2163 TM Distribution system assy tanks 21 24 1 A 3063 TM Distribution system assy tank 30 1 A 3663 TM Distribution system assy tank 36 1 2 A PVC 063 Riser tube 1 3 A 1074 1 Reducing bush 1 4 A TH02 113 Lateral 113 mm tanks 14 18 6 A TH02 175 Lateral 175 mm tanks 21 24 6 A TH02 268 Lateral 268 mm tank 30 6 A TH02 330 Lateral 330 mm tank 36 6 5 ATD H60 00 Hub 1 6 AC H60 00 Hub cap 1 ...

Page 167: ...TF21 063 Distribution system assy tanks 21 24 1 A TF30 063 Distribution system assy tank 30 1 A TF36 063 Distribution system assy tank 36 1 2 A 3100 14C Adapter 1 3 A PVC 063 Riser tube 1 4 A 3050 91 Reducing bush 1 5 AB GC8 30 Reducing bush 1 6 A TH02 175 Lateral 175 mm tanks 21 24 8 A TH02 268 Lateral 268 mm tank 30 8 A TH02 330 Lateral 330 mm tank 36 8 7 ATD H80 00 Hub 1 8 AD H80 00 Hub cap 1 ...

Page 168: ...tem Part number Description Packaging quantity 1 A TF42 063 Distribution system assy tank 42 1 2 A 3100 14C Adapter 1 3 A PVC 063 Riser tube 1 4 A 3050 91 Reducing bush 1 5 AB GC8 30 Reducing bush 1 6 A TH02 423 Lateral 423 mm tank 42 8 7 ATD H80 00 Hub 2 8 AB C08 40 Connection 1 9 A TH02 361 Lateral 361 mm tank 42 8 10 AD H80 00 Hub cap 1 ...

Page 169: ...o 36 SM top distribution elbow 63 mm external glue connection Item Part number Description Packaging quantity 1 A 2727 63 Top distribution system assy slots 0 2 mm 1 A 2727 65 Top distribution system assy slots 0 5 mm 1 2 A 2693 C Elbow 1 3 A 2752 11C Adaptor 1 4 A 2740 Diffuser slots 0 2 mm 1 A 2746 Diffuser slots 0 5 mm 1 ...

Page 170: ...assy tank 30 slots 0 2 mm 1 A 2830 65 Bottom distribution system assy tank 30 slots 0 5 mm 1 A 2836 63 Bottom distribution system assy tank 36 slots 0 2 mm 1 A 2836 65 Bottom distribution system assy tank 36 slots 0 5 mm 1 2 AD H60 00 Hub cap 1 3 A TH02 175 Lateral 175 mm tanks 21 24 slots 0 2 mm 6 A TH05 175 Lateral 175 mm tanks 21 24 slots 0 5 mm 6 A TH02 268 Lateral 268 mm tank 30 slots 0 2 mm ...

Page 171: ...tank 21 to 36 SM top distribution straight 63 mm external glue connection Item Part number Description Packaging quantity 1 A 27UN 63 Top distribution system assy slots 0 2 mm 1 A 27UN 65 Top distribution system assy slots 0 5 mm 1 2 A 8200 63 Union nut 1 3 A 8250 63 Collar 1 4 A 2694 17 O ring 1 5 A 2752 32 Adapter 1 6 A 2740 Diffuser slots 0 2 mm 1 A 2746 Diffuser slots 0 5 mm 1 ...

Page 172: ...m assy tank 30 slots 0 2 mm 1 A 30UN 65 Bottom distribution system assy tank 30 slots 0 5 mm 1 A 36UN 63 Bottom distribution system assy tank 36 slots 0 2 mm 1 A 36UN 65 Bottom distribution system assy tank 36 slots 0 5 mm 1 2 AD H60 00 Hub cap 1 3 A TH02 175 Lateral 175 mm tanks 21 24 slots 0 2 mm 6 A TH05 175 Lateral 175 mm tanks 21 24 slots 0 5 mm 6 A TH02 268 Lateral 268 mm tank 30 slots 0 2 m...

Page 173: ...on nut 1 9 A 8250 63 Collar 1 10 A 2700 234 Adaptor 1 11 7 8 Flanged 6 tank 21 to 36 SM top distribution external flange 65 mm connection Item Part number Description Packaging quantity 1 A 2727 F6 Top distribution system assy slots 0 2 mm 1 A 2527 F6 Top distribution system assy slots 0 5 mm 1 2 A 3100 02C Adaptor 1 3 A 2740 Diffuser slots 0 2 mm 1 A 2746 Diffuser slots 0 5 mm 1 ...

Page 174: ... tank 30 slots 0 2 mm 1 A 2530 F6 Bottom distribution system assy tank 30 slots 0 5 mm 1 A 2736 F6 Bottom distribution system assy tank 36 slots 0 2 mm 1 A 2536 F6 Bottom distribution system assy tank 36 slots 0 5 mm 1 2 A TH02 175 Lateral 175 mm tanks 21 24 slots 0 2 mm 6 A TH05 175 Lateral 175 mm tanks 21 24 slots 0 5 mm 6 A TH02 268 Lateral 268 mm tank 30 slots 0 2 mm 6 A TH05 268 Lateral 268 m...

Page 175: ...tom distribution system assy tank 55 1 A3 2763 FL Bottom distribution system assy tank 63 1 2 A3 2727 10 Filter nozzle 1 3 A3 BTC8 30 Hub cap 1 4 A3 TH02 423 Upper lateral 423 mm tank 42 8 A3 TH02 485 Upper lateral 485 mm tank 48 8 A3 TH02 578 Upper lateral 578 mm tank 55 8 A3 TH02 640 Upper lateral 640 mm tank 63 8 5 AB3 C08 40 Connection 1 6 A3 TH02 361 Lower lateral 361 mm tank 42 8 A3 TH02 423...

Page 176: ...1 F6 Bottom distribution system assy tanks 21 24 1 A3 2730 F6 Bottom distribution system assy tank 30 1 A3 2736 F6 Bottom distribution system assy tank 36 1 2 A3 TH02 175 Lateral 175 mm tanks 21 24 6 A3 TH02 268 Lateral 268 mm tank 30 6 A3 TH02 330 Lateral 330 mm tank 36 6 3 A3D H60 00 Hubcap 1 4 ATD3 H60 00 Hub distributor 1 5 A 3100 04C Prolongation 2 6 A 3100 02C Adaptor 1 11 8 Air checks list ...

Page 177: ...r check 900 HW 5 11 9 Meters parts list 11 9 1 Brass meters parts list Item Part number Description Packaging quantity 1 18393 Meter assy 2 electronic 1 2 15532 Impeller shaft bearing 1 3 BR15432 Impeller shaft for impeller 15374 01 1 4 BR15374 Impeller 2 1 5 18330 Meter cover assy electronic 1 6 12473SP Screw hex washer 10 24x 18 8SS 50 7 60625 10 Meter assy 2 electronic plastic 1 ...

Page 178: ...Electronic 1 2 29095 Meter assy SS 2 BSP Mechanical 375 m3 1 11 10 Kit meter Meter cables list 11 10 1 Mecanical cable meter Item Part number Description Packaging quantity 1 25352 Guide cable cable assy 3150 2 1 11 10 2 Brass kit meter Meter cables list Item Part number Description Packaging quantity 28283 Kit meter assy 1 NT NXT 1 28284 Kit meter assy 1 5 NT NXT 1 28285 Kit meter assy 2 NT NXT 1...

Page 179: ...em Part number Description Packaging quantity 29096 Kit meter assy 1 stainless NXT 1 29097 Kit meter assy 1 5 stainless NXT 1 29098 Kit meter assy 2 stainless NXT 1 29082 Kit meter assy 3 stainless NXT 1 BR19791 02 Meter cable electronic 0 75 m 1 BR19791 04 Meter cable electronic 2 5 m 1 BR19791 05 Meter cable electronic 7 7 m 1 11 11 Kits Item Part number Description Packaging quantity 1 Kit 78 M...

Page 180: ...ller manual Fleck 3150 NXT NXT2 Spare parts and options 180 182 Ref MKT IM 010 C 18 10 2019 11 12 Other components list Item Part number Description Packaging quantity 1 BU61564 10 Mixing assy 1 Industrial 1 ...

Page 181: ... the country of installation The components included in the system must be separated and recycled in a waste recycling center that conforms with the legislation in force in the country of installation This will help to reduce the impact on the environment health safety and help to promote recycling Pentair do not collect used product for recycling Contact your local recycling center for more infor...

Page 182: ...www pentairaquaeurope com ...

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