Pentair FLECK 3150 NXT Installer Manual
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Pentair FLECK 3150 NXT Installer Manual

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3150 NXT
INSTALLER
MANUAL
WATER PURIFICATION

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Summary of Contents for Pentair FLECK 3150 NXT

  • Page 1 FLECK 3150 NXT INSTALLER MANUAL WATER PURIFICATION...

  • Page 2: Table Of Contents

    Installer Manual Fleck 3150 - NXT - Table of contents Table of contents Generalities ......... . 7 1.1.
  • Page 3 Installer Manual Fleck 3150 - NXT - Table of contents System sizing ........24 4.1.
  • Page 4 Installer Manual Fleck 3150 - NXT - Table of contents Programming ........54 6.1.
  • Page 5 Installer Manual Fleck 3150 - NXT - Table of contents Commissioning ........75 7.1.
  • Page 6 Installer Manual Fleck 3150 - NXT - Table of contents Spare parts and options ....... 94 11.1.

  • Page 7: Generalities

    First edition. Address change, Bleam information and valve on 28.05.2018 BRY/FIM tank assembly. 1.3. Manufacturer identifier, product Manufacturer: Pentair International LLC Avenue de Sevelin 18 1004 Lausanne Switzerland Product: Fleck 3150 - NXT 1.4. Intended use The device is intended for industry environment use only and it is purpose-built for water treatment.

  • Page 8: Abbreviations Used

    Installer Manual Fleck 3150 - NXT - Generalities 1.5. Abbreviations used Assy............Assembly BLFC ............Brine Line Flow Controller BV ............Brine Valve DF............Down Flow DLFC ............Drain Line Flow Controller HW............Hot Water Inj ............Injector QC............Quick Connect Regen ............

  • Page 9: Procedure For Technical Support

    Pentair Quality System EMEA products benefit, under specific conditions, from a manufacturer warranty that may be invoked by Pentair’s direct customers. Users should contact the vendor of this product for applicable conditions and in case of a potential warranty claim.

  • Page 10: Scan & Service Application

    Installer Manual Fleck 3150 - NXT - Generalities 1.10. Scan & Service application Scan & Service mobile application is the ideal support for the maintenance person in his daily business. A simple scan of an identification (ID) label (1) present on the valve with a smartphone gives an instantaneously access to all updated information related to the product, such as: •...

  • Page 11: Safety

    Installer Manual Fleck 3150 - NXT - Safety Safety 2.1. Safety pictograms definition Caution Warning Warns of a risk of minor injury or major Warns against serious personal injury material damage to the device or and damage to health. environment. Danger...

  • Page 12: Personnel

    Installer Manual Fleck 3150 - NXT - Safety 2.3.1. Personnel Only qualified and professional personnel, based on their training, experience and instruction as well as their knowledge of the regulations, safety rules and operations performed, are authorized to carry out necessary work. 2.3.2.

  • Page 13: Description

    Installer Manual Fleck 3150 - NXT - Description Description 3.1. Technical specifications Design specifications/ratings Valve body ..........Brass Rubber components ....... EP or EPDM Weight (valve with controller)....22.8 kg (max) Recommended operating pressure ..1.8 - 8.6 bar Maximum inlet pressure ......8.6 bar Hydrostatic test pressure.......
  • Page 14 Installer Manual Fleck 3150 - NXT - Description Model without transformer Warning 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. Warning...

  • Page 15: Performance Flow Rate Characteristics

    Installer Manual Fleck 3150 - NXT - Description 3.1.1. Performance flow rate characteristics The graph shows the pressure drop created by the valve itself at different flow rates. It allows predetermining the maximum flow rate going through the valve depending on the system settings (inlet pressure etc).

  • Page 16: Outline Drawing

    Installer Manual Fleck 3150 - NXT - Description 3.2. Outline drawing 16 / 122 Ref. MKT-IM-010 / B - 28.05.2018...

  • Page 17: Components Description And Location

    Installer Manual Fleck 3150 - NXT - Description 3.3. Components description and location Meter Power head Outlet Micro-switches Brine valve Brine line Motor Injector Inlet Display Regeneration button NXT controller Shift button Piston Setting button Camshaft Status LED Diagnostic button Ref.

  • Page 18: System Regeneration Cycle

    Installer Manual Fleck 3150 - NXT - Description 3.4. System regeneration cycle Note This valve allows DF and UF regenerations. 3.4.1. DF regeneration cycle (5-cycles operation) Service — normal use Untreated water is directed down through the resin bed and up through the riser tube. The hardness ions attach themselves to the resin and are removed from the raw water being exchanged on the resin beads by sodium ions.
  • Page 19 Installer Manual Fleck 3150 - NXT - Description Note For illustration purpose only. Always verify inlet and outlet marking on the valve. SERVICE NORMAL USE BACKWASH Outlet Inlet Outlet Inlet Drain Valve Valve BRINE DRAW & SLOW RINSE RAPID RINSE Outlet Inlet Outlet...

  • Page 20: Uf Regeneration Cycle (5-Cycles Operation)

    Installer Manual Fleck 3150 - NXT - Description 3.4.2. UF regeneration cycle (5-cycles operation) Service — normal use Untreated water is directed down through the resin bed and up through the riser tube. The hardness ions attach themselves to the resin and are removed from the raw water being exchanged on the resin beads by sodium ions.
  • Page 21 Installer Manual Fleck 3150 - NXT - Description Note For illustration purpose only. Always verify inlet and outlet marking on the valve. PAUSE & DELAY BRINE DRAW & SLOW RINSE Outlet Inlet Outlet Inlet Drain Valve Valve From brine tank BACKWASH RAPID RINSE Outlet...

  • Page 22: Filter Cycle (3-Cycles Operation)

    Installer Manual Fleck 3150 - NXT - Description 3.4.3. Filter cycle (3-cycles operation) Service — normal use Untreated water is directed down through the resin bed and up through the riser tube. The impurities are retained by the media. The water is filtered as it passes through the media. Backwash —...

  • Page 23: Injector Block Position For Df And Uf Configurations

    Installer Manual Fleck 3150 - NXT - Description 3.5. Injector block position for DF and UF configurations Ref. MKT-IM-010 / B - 28.05.2018 23 / 122...

  • Page 24: System Sizing

    Installer Manual Fleck 3150 - NXT - System sizing System sizing 4.1. Recommendations 4.1.1. Injector/DLFC/BLFC-Valve configuration Tank Resin Injector DLFC BLFC Brine Diameter volume syst. [in] Color Color [gpm] DF [gpm] UF [gpm] 283 - 424 Green 20.0 Green 284 - 425 25.0 426 - 605 White...

  • Page 25: Determining The Required Volume Of Resin

    Installer Manual Fleck 3150 - NXT - System sizing Depending on the inlet water hardness, the service velocity for standard softening must be between: Inlet water hardness Service velocity °f °dH [mg/l as CaCO [bed volume per hour] °TH 8 - 40 <350 <35 <19.6...

  • Page 26: Resin Exchange Capacity And Capacity Of The Unit

    Installer Manual Fleck 3150 - NXT - System sizing The maximum softened water flow rate that a softener can produce is given by the following formula: = Fs x BV with: service max service : service flow rate [m service max : service velocity [BV/h] service BV: bed volume of resin [m...
  • Page 27 Installer Manual Fleck 3150 - NXT - System sizing Salt amount Corresponding resin exchange °f.m °dH.m [g/L capacity in [g/L ] as CaCO [per L [per L resin resin resin resin 48.2 4.82 2.69 50.2 5.02 52.1 5.21 2.91 53.8 5.38 3.01 55.5...

  • Page 28: Valve Configuration

    Installer Manual Fleck 3150 - NXT - System sizing 4.2.4. Valve configuration Knowing the volume of resin, tank size and specifications of the resin, it is possible to determine the required valve configuration. The resin specification will give the backwash velocity, as well as the brine draw and slow rinse velocity that must be respected in order to ensure a proper regeneration of the unit.

  • Page 29: Cycle Time Calculation

    Installer Manual Fleck 3150 - NXT - System sizing 4.2.5. Cycle time calculation From this point, the volume of resin, the tank size, the capacity of the softener and the valve configuration are determined. Next step is to calculate the regeneration cycle duration, which depends on the valve configuration and once again on the resin specifications.
  • Page 30 Installer Manual Fleck 3150 - NXT - System sizing To calculate the brine draw duration: Knowing the injector draw flow rate at the working pressure: with: brine draw brine draw : brine draw duration [min] brine draw : brine volume to be drawn [L], see Refill calculation brine page 31 : injection draw flow rate [L/min]...

  • Page 31: Salt Amount Definition

    Installer Manual Fleck 3150 - NXT - System sizing To calculate the refill duration: The refill flow rate is controlled by the refill controller (BLFC). The relation between the BLFC size, the tank size and the resin volume is given in the valve specifications. To calculate the refill duration: with: refill...

  • Page 32: 1800 Injector Flow Rates

    Installer Manual Fleck 3150 - NXT - System sizing 4.4. 1800 Injector flow rates The following tables and graphics represent the injectors flow rate as a function of the inlet pressure for the different injector sizes. INJECTOR 5 Total Rinse Draw Inlet pressure [bar] INJECTOR 6...
  • Page 33 Installer Manual Fleck 3150 - NXT - System sizing INJECTOR 7 Total Rinse Draw Inlet pressure [bar] INJECTOR 8 Total Rinse Draw Inlet pressure [bar] INJECTOR 9 Total Draw Rinse Rinse Draw Inlet pressure [bar] Ref. MKT-IM-010 / B - 28.05.2018 33 / 122...
  • Page 34 Installer Manual Fleck 3150 - NXT - System sizing INJECTOR 10 Total Rinse Draw Inlet pressure [bar] 34 / 122 Ref. MKT-IM-010 / B - 28.05.2018...

  • Page 35: Installation

    Installer Manual Fleck 3150 - NXT - Installation Installation Mandatory It is strictly forbidden for not qualified personal, to accede to system’s internal parts to perform any kind of technical action. Be sure to disconnect the electrical power, close the water inlet and depressurize the system before opening the front cover to access internal parts.

  • Page 36: Water

    Installer Manual Fleck 3150 - NXT - Installation • follow state and local codes for water testing. Do not use water that is micro-biologically unsafe or of unknown quality; • when filling the media tank, first place the valve in the backwash position, then partly open the valve.

  • Page 37: Integration Constraints

    Installer Manual Fleck 3150 - NXT - Installation • soldering near the drain line should be done before connecting the drain line to the valve. Excessive heat will cause interior damage to the valve; • do not use lead-based solder for sweat solder connections; •...

  • Page 38: Top-Mounted Valve Installation

    Installer Manual Fleck 3150 - NXT - Installation 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 have the piping fixed to a rigid structure (e.g. frame, skid, wall…) so that the weight of it is not applying any stress on the valve and tank.

  • Page 39: Side-Mounted Valve Installation

    • in any case, any failure caused by improper installations and/or piping connections may void the warranty of Pentair products; • in the same way, using lubricant* on the valve thread is not allowed and will void the warranty for the valve and tank.

  • Page 40: Block Diagram And Configuration Example

    Installer Manual Fleck 3150 - NXT - Installation 5.6. Block diagram and configuration example Block diagram Pressure gauge Main inlet User’s line Check valve to prevent water harm Filter cartridge By-pass Pressure regulator Meter Suggested options Mixing device Can be integrated in the Drain line valve Brine line...

  • Page 41: System Types

    Installer Manual Fleck 3150 - NXT - Installation Side mounted configuration example Valve 3150 NXT Upper distributor A-2742-FU Side mounted SBV 28182 adapter 18023 Tank C-4278-F7 Upper distributor A-2742-FL Air check 18979 5.7. System types Note For all multiple tank systems, NBP version valves must be used. Metered immediate: The controller monitors the volume of water used.

  • Page 42: Single Valve (System #4)

    Installer Manual Fleck 3150 - NXT - Installation 5.7.1. Single valve (System #4) As named, this system works with only one valve. The regen can be initiated upon the treated volume (delayed or immediate), time clock or an external remote regen signal. Inlet Outlet Valve...

  • Page 43: Multiple Valves With Consecutive Regenerations (System #6)

    Installer Manual Fleck 3150 - NXT - Installation 5.7.3. Multiple valves with consecutive regenerations (System #6) This system works with 2 to 4 valves and a meter. During normal operation, the controllers of each valve display the time of day and the volume of water remaining.

  • Page 44: Multiple Valves, Alternating (System #9)

    Installer Manual Fleck 3150 - NXT - Installation 5.7.5. Multiple valves, alternating (System #9) This system works with 2 to 4 valves. One, two or three tanks online supplying treated water, one tank in standby. Each unit in the system has its own flow meter.
  • Page 45 Installer Manual Fleck 3150 - NXT - Installation 2. The total flow rate to the primary tank increase past the first trip point programmed rate. The flow rate demand stays past the trip point for the preset delayed time. The next tank (least volume remaining) changes from standby to in service.
  • Page 46 Installer Manual Fleck 3150 - NXT - Installation 4. Total flow rate demand increased past a second trip point programmed rate. The second and third tank (least volume remaining) changes from standby to service. The total flow is split between three meters. Inlet Outlet Valve...
  • Page 47 Installer Manual Fleck 3150 - NXT - Installation 6. Tanks return to standby due to decreased total flow rate and trip points programmed. The tank with the most remaining volume will be the first to go into standby. Inlet Outlet Valve Tank Check valve...

  • Page 48: Valve Connection To Piping

    Installer Manual Fleck 3150 - NXT - Installation If two tanks are in service and both reach Volume remaining = 0, the other two tanks will shift from standby into service. The lead tank with Volume remaining = 0 will start regeneration. The second tank with Volume remaining = 0 will enter into standby.

  • Page 49: Electrical Connections

    Installer Manual Fleck 3150 - NXT - Installation 5.9. Electrical connections Black Orange SCAM: Cycles position cam Violet HCAM Home position cam Brown Green Solenoid valve 24V-50/60Hz Yellow Inhibition signal UDM: Power head motor White Remote regen signal start Sw1: Home position switch Blue Aux.

  • Page 50: Connections For Multiple Valves

    Installer Manual Fleck 3150 - NXT - Installation 5.9.1. Connections for 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 50 / 122 Ref.

  • Page 51: Bypassing

    Installer Manual Fleck 3150 - NXT - Installation 5.10. Bypassing A bypass valve system should be installed on all water conditioning systems. Bypass valves isolate the softener from the water system and allow unconditioned water to be used. Service or routine maintenance procedures may also require that the system is bypassed.

  • Page 52: Drain Line Connection

    Installer Manual Fleck 3150 - NXT - Installation 5.11. Drain line connection Note 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 built with 1" PVC rigid tube with an air gap must be present at the drain.

  • Page 53: Overflow Line Connection

    Installer Manual Fleck 3150 - NXT - Installation 5.12. Overflow 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 tank manufacturers include a post for the tank overflow connector.

  • Page 54: Programming

    Installer Manual Fleck 3150 - NXT - Programming Programming 6.1. Display 6.1.1. During service 7#1 SRV* 08:26HR VOLUME 20000L 1. System type → #4: single valve; → #5: lockout system, 2 to 4 valves; → #6: parallel system, sequential regenerations, 2 to 4 valves; →...

  • Page 55: Setting The Time Of The Day

    Installer Manual Fleck 3150 - NXT - Programming Press to pass to the next step. to move the cursor to the next digit. to adjust the values. Press D at any time to exit programming mode without saving. 6.3. Setting the time of the day Set the time in the system.

  • Page 56: Inlet Water Hardness

    Installer Manual Fleck 3150 - NXT - Programming 6.4.2. Inlet water hardness Set the input water hardness in the unit defined on chapter 6.5.11. Display format, page 64. FEED WATER Set the safety coefficient with HARDNESS:0030mgL Press to validate the selection and advance to the next parameter.

  • Page 57: Master Programming Mode

    Installer Manual Fleck 3150 - NXT - Programming 6.5. Master programming mode Note 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.
  • Page 58 Installer Manual Fleck 3150 - NXT - Programming Parameter Options Definition Note TIME CLK Time clock delayed System 4 only. DELAYED (default) METER REGEN TYPE All system types. IMMEDIATE MTR DLY FIX Metered delayed fixed Systems 4 & 6 only. reserve 2750 2850...
  • Page 59 Installer Manual Fleck 3150 - NXT - Programming Parameter Options Definition Note TRIP POINT 3 1 to 3997 This screen will only display for system 14 and will only appear with the system sized to 4 on the master controller Second (Valve address #1).

  • Page 60: Entering Master Programming Mode

    Installer Manual Fleck 3150 - NXT - Programming Parameter Options Definition Note 1.0" PADDLE 1.0" TURBINE Default flow meter type is based on the 1.5" PADDLE valve type. 1.5" This screen will only display on the FLOW METER TURBINE lead (#1) unit for system types 6 & 7. 2.0"...

  • Page 61: System Type

    Installer Manual Fleck 3150 - NXT - Programming 6.5.4. System type Select the system in which the valve(s) operate(s). Options: • 4: single valve; • 5: multiple valve with lockout; • 6: multiple valve with consecutive regenerations; • 7: duplex alternating; •...

  • Page 62: System Size

    Installer Manual Fleck 3150 - NXT - Programming 6.5.6. System size Set the number of valves to be connected (2 to 4 valves) in the system. Note Only visible in multiple valve systems and only present on the master #1 valve. Options: •...

  • Page 63: Valve Type

    Installer Manual Fleck 3150 - NXT - Programming 6.5.8. Valve type Select which valve is being used with the NXT. Options: • 2750; • 2850; • 2900/2910; • 3150; • 3900.  VALVE TYPE: Set valve type with → Default setting: 2750 3150 M Press to validate the selection and advance to the next...

  • Page 64: Remote Started Regeneration

    Installer Manual Fleck 3150 - NXT - Programming 6.5.10. Remote started regeneration Start regeneration from an external signal (see chapter 5.9. Electrical connections), page 49). Note The contact will close after a preset duration. When the contact closes, the regeneration starts.

  • Page 65: System Capacity

    Installer Manual Fleck 3150 - NXT - Programming 6.5.12. System capacity Set the capacity of the tank where the valve is installed. Note On the basis of system capacity, safety coefficient and inlet water hardness, the controller calculates the volume of water that the system can treat between 2 regenerations. Example: 3000 g of CaCO Set the unit capacity with capacity...
  • Page 66 Installer Manual Fleck 3150 - NXT - Programming 6.5.15.1 Trip point 1 Note Only visible if controller programmed as valve position #1. TRIP POINT 1: Set the trip point 1 flow rate with → Can be adjusted from 0 to 3997 Lpm. 0000 Lpm AA Press to validate the selection and advance to the next...

  • Page 67: Regeneration Days Override

    Installer Manual Fleck 3150 - NXT - Programming 6.5.16. Regeneration days override Set the maximum number of days that the valve is in service without regenerating, regardless from the volume of water used. Note For a timeclock valve, this value must be set as regeneration period in days. For metered valves, it is regenerated once the amount of days is reached at a preset time unless the meter triggers regeneration before.

  • Page 68: Auxiliary Relay / Chemical Pump

    Installer Manual Fleck 3150 - NXT - Programming 1. Backwash: 10 min AP Adjust the cycle time with CYCLE 1 00:10:00 AQ Press to validate the selection and advance to the next BACKWASH parameter. AR Repeat for each cycle. 2. Draw/Slow rinse: 1 h 10 min CYCLE 2 01:10:00...
  • Page 69 Installer Manual Fleck 3150 - NXT - Programming Relay disabled 10 min. after the start of regeneration AUX RELAY OUTPUT END: 00:10:00 Relay enabled during cycle 2 as in chapter 6.5.18. AUX RELAY OUTPUT START: 00:10:00 AUX RELAY OUTPUT END: 01:20:00 6.5.19.2 Chemical pump Activate the relay output during the service based upon the volume of treated water.

  • Page 70: Flow Meter Selection

    Installer Manual Fleck 3150 - NXT - Programming 6.5.20. Flow meter selection Select the size of the flow meter. Options: • 1" paddle; • 1" turbine; • 1½" paddle; • 1½" turbine; • 2" paddle (std for 3150); • 3" paddle; •...

  • Page 71: Parameters Saving

    Installer Manual Fleck 3150 - NXT - Programming 6.5.21. Parameters saving Note When the last parameter is set and the button pressed, the controller updates the database based on the new programming. Wait until programming is finished, this may take a few seconds.

  • Page 72: Totalizer

    Installer Manual Fleck 3150 - NXT - Programming 6.6.4. Totalizer Note The controller registers the total volume of treated water that passes through the meter since start-up (or last hard reset).  TOTALIZER To reset, press and hold the buttons for 5 seconds until the display shows zero.

  • Page 73: Volume Remaining

    Installer Manual Fleck 3150 - NXT - Programming 6.6.7. Volume remaining Note 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 ...

  • Page 74: Resetting The Controller

    Installer Manual Fleck 3150 - NXT - Programming 6.7. Resetting the controller Mandatory Once you have completed this operation, it is necessary to check all programming steps. Note There are two methods to reset. 6.7.1. Partial reset Caution All the parameters are set to default values, except flow meter totalizer volume in diagnostic mode.

  • Page 75: Commissioning

    Installer Manual Fleck 3150 - NXT - Commissioning Commissioning Note This chapter is available for standard regeneration types. Contact your supplier if the actual regeneration is not standard and if you need assistance. 7.1. Water filling, draining and waterproofness inspection 7.1.1.

  • Page 76: Activating A Multiple Valves System

    Installer Manual Fleck 3150 - NXT - Commissioning 7.1.2. Activating a multiple valves system (Systems #5, #6, #7, #9 and #14) Follow the previous procedure for each tank of the system. Note In order to gain time, program first all tanks as single system #4. Proceed to start up as described above for each tank, then program the correct system type and valve address and eventually set/trip points in case of system #14.

  • Page 77: Electro Chlorination

    Installer Manual Fleck 3150 - NXT - Commissioning 5.25% Sodium hypochlorite If stronger solutions are used, such as those sold for commercial laundries, adjust the dosage accordingly. Dosage Polystyrene resin: set 1.25 mL fluid per 1 L of resin. Non-resinous exchangers: set 0.85 mL fluid per 1 L. Brine tank softeners Backwash the softener and add the required amount of hypochlorite solution to the well of the brine tank.

  • Page 78: Operation

    Installer Manual Fleck 3150 - NXT - Operation Operation 8.1. Display 8.1.1. During service • Single valve in service in timeclock mode: 4#- SRV 15:25HR REGEN IN 03 DAYS • single valve in service in volume immediate or delayed mode: 4#- SRV* 14:24HR...

  • Page 79: Recommendations

    Installer Manual Fleck 3150 - NXT - Operation 8.2. Recommendations • Use only regeneration salts designed for water softening in accordance with EN973; • for optimal system operation, the use of clean salt, free from impurities, is recommended (for example salt pellets; •...

  • Page 80: Maintenance

    Cleaning and maintenance shall take place at regular intervals in order to guarantee the proper functioning of the complete system, and be documented in the Maintenance chapter in the User Guide document. Mandatory The maintenance must be done by a professional certified by Pentair, otherwise the warranty will void. 9.1. Recommendations 9.1.1.

  • Page 81: Motor Replacement

    Installer Manual Fleck 3150 - NXT - Maintenance 9.2.2. Motor replacement Operation Using a flat screwdriver, unscrew (1) and open the cover (2). Disconnect the motor (10). Remove the micro-switches (9), see 9.2.3. Power head, piston and/or seal and spacer kit disassembly/replacement, page 82.

  • Page 82: Power Head, Piston And/Or Seal And Spacer Kit Disassembly

    Installer Manual Fleck 3150 - NXT - Maintenance 9.2.3. Power head, piston and/or seal and spacer kit disassembly/replacement Operation Using a flat screwdriver, unscrew (1) and open the cover (2). Using pliers, remove the clip (6) and the connecting pin (7). Using a 32 mm wrench, unscrew (3).
  • Page 83 Installer Manual Fleck 3150 - NXT - Maintenance Ref. MKT-IM-010 / B - 28.05.2018 83 / 122...

  • Page 84: Injector And Blfc Cleaning

    Installer Manual Fleck 3150 - NXT - Maintenance 9.2.4. Injector and BLFC cleaning Operation Using a 4 mm Allen wrench, unscrew (1). Using a 24 mm wrench, remove the tube (9). Using a 4 mm Allen wrench, unscrew (10) and remove the connector (8), the o-ring (7) and the BLFC (6).
  • Page 85 Installer Manual Fleck 3150 - NXT - Maintenance Ref. MKT-IM-010 / B - 28.05.2018 85 / 122...

  • Page 86: Cams Replacement

    Installer Manual Fleck 3150 - NXT - Maintenance 9.2.5. Cams replacement Operation Using a flat screwdriver, unscrew (1) and open the cover (2). Remove the micro-switches (3), see 9.2.3. Power head, piston and/or seal and spacer kit disassembly/replacement, page 82. Disconnect the motor (4).
  • Page 87 Installer Manual Fleck 3150 - NXT - Maintenance Ref. MKT-IM-010 / B - 28.05.2018 87 / 122...

  • Page 88: Micro-Switches Replacement

    Installer Manual Fleck 3150 - NXT - Maintenance 9.2.6. Micro-switches replacement Operation Using a flat screwdriver, unscrew (1) and open the cover (2). Using a Phillips screwdriver, unscrew (3) and extract the protection plates (4) and the micro-switches (5). Reverse above procedure steps to rebuild. 88 / 122 Ref.

  • Page 89: Valve On Tank Assembly

    Installer Manual Fleck 3150 - NXT - Maintenance 9.2.7. Valve on tank assembly Operation Lubricate the seals with approved silicone grease. Spin the valve (1) onto the tank (2), ensuring the threads are not cross-threaded. Rotate the valve (1) clockwise and freely, without using force until it comes to a stop. Note...

  • Page 90: Troubleshooting

    Installer Manual Fleck 3150 - NXT - Troubleshooting Troubleshooting 10.1. Error detection Note It can take up to 30 seconds before an error can be detected and displayed. Mandatory All the errors must be displayed on each controller before they can be corrected. •...
  • Page 91 Installer Manual Fleck 3150 - NXT - Troubleshooting Problem Cause Solution Improper salt setting. Check salt usage and salt setting. Excessive salt See problem "Excessive water in consumption Excessive water in brine tank. brine tank" below. Determine if micro-switch or Controller cycles Maladjusted, broken or shorted controller is faulty and replace it,...

  • Page 92: Programming Error

    Installer Manual Fleck 3150 - NXT - Troubleshooting Problem Cause Solution Check controller program and Controller is not programming positioning of controls. Replace correctly. power head assembly if not positioning properly. Remove power head assembly and Drain flows continuously inspect bore. Remove foreign Foreign material in valve body.

  • Page 93: Examples Of Error Displayed

    Installer Manual Fleck 3150 - NXT - Troubleshooting 10.3. Examples of error displayed • The unit 2 has been reset; DETECTED ERROR = → Reprogram the unit. RESET UNIT DETECTED  • there is no message from unit 3; ERROR →...

  • Page 94: Spare Parts And Options

    Installer Manual Fleck 3150 - NXT - Spare parts and options Spare parts and options 11.1. Valve parts list 94 / 122 Ref. MKT-IM-010 / B - 28.05.2018...
  • Page 95 Installer Manual Fleck 3150 - NXT - Spare parts and options Assembly Min. order Item Part number Description quantity quantity 26745-4 Brine valve 1800 assy 3900 down flow 26745-5 Brine valve 1800 assy 3900 down flow 26745-6 Brine valve 1800 assy 3900 down flow 26745-7 Brine valve 1800 assy 3900 down flow 26745-8...

  • Page 96: Power Head 3150 Parts List

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.2. Power head 3150 parts list 96 / 122 Ref. MKT-IM-010 / B - 28.05.2018...
  • Page 97 Installer Manual Fleck 3150 - NXT - Spare parts and options Assembly Min. order Item Part number Description quantity quantity 26637 Cover assy 3150 upper grey 26260 Transformer 60VA 17967 Liquid tight 25352 Guide cable & cable assy 3150 2" 16051SP Retaining ring 16059SP...

  • Page 98: Injector Parts List

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.3. Injector parts list 98 / 122 Ref. MKT-IM-010 / B - 28.05.2018...
  • Page 99 Installer Manual Fleck 3150 - NXT - Spare parts and options Assembly Min. order Item Part number Description quantity quantity 18702 Fitting, tube 1/2 NPT 5/8 19677SP Screw 16341-01 Inj cover 1800 15246-01SP O-ring - 560CD 15128-04SP Injector nozzle # 4 15128-05SP Injector nozzle # 5 15128-06SP...

  • Page 100: Safety Brine Valves List

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.4. Safety brine valves list Assembly Min. order Item Part number Description quantity quantity 28182 Union PVC female 1" to be glued - male 1" BSP 11.5. Air checks list Assembly Min.

  • Page 101: Distribution Systems Parts List

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.6. Distribution systems parts list Caution Respect the valve sizing configuration to avoid the resin to leak through the valve. 11.6.1. Thread 4", tank 21" to 36", top mounted valve, slots0.2 mm Assembly Min.

  • Page 102: Flanged 6", Tank 21" To 36", Top Mounted Valve, Slots 0.2 Mm

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.6.2. Flanged 6", tank 21" to 36", top mounted valve, slots 0.2 mm Assembly Min. order Item Part number Description quantity quantity A-TF21-063 Distribution system assy, tanks 21" - 24" A-TF30-063 Distribution system assy, tank 30"...

  • Page 103: Threaded 4", Tank 21" To 36", Side Mounted Valve, Top Distribution

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.6.3. Threaded 4", tank 21" to 36", side mounted valve, top distribution system, elbow 63 mm, external glue connection Assembly Min. order Item Part number Description quantity quantity A-2727-63 Top distribution system assy, slots 0.2 mm A-2727-65 Top distribution system assy, slots 0.5 mm...

  • Page 104: Threaded 4", Tank 21" To 36", Side Mounted Valve, Bottom Distribution System, Elbow 63 Mm, External Glue Connection

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.6.4. Threaded 4", tank 21" to 36", side mounted valve, bottom distribution system, elbow 63 mm, external glue connection Assembly Min. order Item Part number Description quantity quantity Bottom distribution system assy, tanks 21" - 24", A-2821-63 slots 0.2 mm Bottom distribution system assy, tanks 21"...

  • Page 105: Threaded 4", Tank 21" To 36", Side Mounted Valve, Top Distribution System, Straight 63 Mm, External Glue Connection

    Installer Manual Fleck 3150 - NXT - Spare parts and options Assembly Min. order Item Part number Description quantity quantity ATD-H60-00 AB-A6F-20 Hub adaptor A-2106-48 Adaptor A-2693-C Elbow 11.6.5. Threaded 4", tank 21" to 36", side mounted valve, top distribution system, straight 63 mm, external glue connection Assembly Min.

  • Page 106: Threaded 4", Tank 21" To 36", Side Mounted Valve, Bottom Distribution System, Straight 63 Mm, External Glue Connection

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.6.6. Threaded 4", tank 21" to 36", side mounted valve, bottom distribution system, straight 63 mm, external glue connection Assembly Min. order Item Part number Description quantity quantity Bottom distribution system assy, tanks 21" - 24", A-21UN-63 slots 0.2 mm Bottom distribution system assy, tanks 21"...

  • Page 107: Flanged 6", Tank 21" To 36", Side Mounted Valve, Top Distribution System, External Flange 65 Mm Connection

    Installer Manual Fleck 3150 - NXT - Spare parts and options Assembly Min. order Item Part number Description quantity quantity ATD-H60-00 AB-A6F-20 Hub adaptor A-2106-48 Adaptor A-2694-17 O-ring A-8200-63 Union nut A-8250-63 Collar A-2700-234 Adaptor 11.6.7. Flanged 6", tank 21" to 36", side mounted valve, top distribution system, external flange 65 mm connection Assembly Min.

  • Page 108: Flanged 6", Tank 21" To 36", Side Mounted Valve, Bottom Distribution System, External Flange 65 Mm Connection

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.6.8. Flanged 6", tank 21" to 36", side mounted valve, bottom distribution system, external flange 65 mm connection Assembly Min. order Item Part number Description quantity quantity Bottom distribution system assy, tanks 21" - 24", A-2721-F6 slots 0.2 mm Bottom distribution system assy, tanks 21"...
  • Page 109 Installer Manual Fleck 3150 - NXT - Spare parts and options Assembly Min. order Item Part number Description quantity quantity A-TH02-175 Lateral 175 mm, tanks 21" - 24", slots 0.2 mm A-TH05-175 Lateral 175 mm, tanks 21" - 24", slots 0.5 mm A-TH02-268 Lateral 268 mm, tank 30", slots 0.2 mm A-TH05-268...

  • Page 110: Flanged 6", Tank 42" To 63", Side Mounted Valve, Top Distribution System, External Flange 80 Mm Connection

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.6.9. Flanged 6", tank 42" to 63", side mounted valve, top distribution system, external flange 80 mm connection Assembly Min. order Item Part number Description quantity quantity Bottom distribution system assy, tank 42", slots A-2742-FU 0.2 mm Bottom distribution system assy, tank 42", slots...
  • Page 111 Installer Manual Fleck 3150 - NXT - Spare parts and options Assembly Min. order Item Part number Description quantity quantity A-3100-03C Adaptor A-3100-05C Prolongation ATD-H80-00 A-TH02-361 Lateral 361 mm, tank 42", slots 0.2 mm A-TH05-361 Lateral 361 mm, tank 42", slots 0.5 mm A-TH02-423 Lateral 423 mm, tank 48", slots 0.2 mm A-TH05-423...

  • Page 112: Flanged 6", Tank 42" To 63", Side Mounted Valve, Bottom Distribution System, External Flange 80 Mm Connection

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.6.10. Flanged 6", tank 42" to 63", side mounted valve, bottom distribution system, external flange 80 mm connection Assembly Min. order Item Part number Description quantity quantity Bottom distribution system assy, tank 42", slots A-2742-FL 0.2 mm Bottom distribution system assy, tank 42", slots...
  • Page 113 Installer Manual Fleck 3150 - NXT - Spare parts and options Assembly Min. order Item Part number Description quantity quantity A-2727-10 Filter nozzle A-BTC8-30 Hub cap A-TH02-423 Lateral 423 mm, tank 42", slots 0.2 mm A-TH05-423 Lateral 423 mm, tank 42", slots 0.5 mm A-TH02-485 Lateral 485 mm, tank 48", slots 0.2 mm A-TH05-485...

  • Page 114: Hot Water, Flanged 6", Tank 42" To 63", Side Mounted Valve, Top And Bottom Distribution System, External Flange 80 Mm Connection

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.6.11. Hot water, flanged 6", tank 42" to 63", side mounted valve, top and bottom distribution system, external flange 80 mm connection, slots 0.2 mm Assembly Min. order Item Part number Description quantity...
  • Page 115 Installer Manual Fleck 3150 - NXT - Spare parts and options Assembly Min. order Item Part number Description quantity quantity A3-TH02-361 Lower lateral 361 mm, tank 42" A3-TH02-423 Lower lateral 423 mm, tank 48" A3-TH02-516 Lower lateral 516 mm, tank 55" A3-TH02-578 Lower lateral 578 mm, tank 63"...

  • Page 116: Hot Water, Flanged 6", Tank 21" To 36", Side Mounted Valve, Top And Bottom Distribution System, External Flange 65 Mm Connection

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.6.12. Hot water, flanged 6", tank 21" to 36", side mounted valve, top and bottom distribution system, external flange 65 mm connection, slots 0.2 mm Assembly Min. order Item Part number Description quantity...

  • Page 117: Dlfc Parts List

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.7. DLFC parts list Assembly Min. order Item Part number Description quantity quantity 25580-30 2" DLFC assy 3150/3900 - 30 gpm 25177 Screw 27913-21 2" Flow control housing - BSP 16804 O-ring 16650...

  • Page 118: Meters Parts List

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.8. Meters parts list Assembly Min. order Item Part number Description quantity quantity 18393 Meter assy 2" electronic 15532 Impeller shaft bearing BR15432 Impeller shaft for impeller 15374-01 BR15374 Impeller 2"...

  • Page 119: Kit Meter & Meter Cables List

    Installer Manual Fleck 3150 - NXT - Spare parts and options 11.9. Kit meter & Meter cables list Assembly Min. order Item Part number Description quantity quantity 28283 Kit meter NT - NXT 1" brass 28284 Kit meter NT - NXT 1½" brass 28285 Kit meter NT - NXT 2"...

  • Page 120: Disposal

    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 information.
  • Page 121 Installer Manual Fleck 3150 - NXT - Disposal PAGE INTENTIONALLY LEFT BLANK Ref. MKT-IM-010 / B - 28.05.2018 121 / 122...
  • Page 122 www.pentairaquaeurope.com...

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