Pentair FLECK 2850 SXT Installer Manual Download | Manualshive

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Installer manual Fleck 2850 SXT - Generalities

Ref. MKT-IM-030 / C - 12.05.2020

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Meets the following technical standards:

• EN 55014-1;

• EN 55014-2;

• EN 61000-6-1;

• EN 61000-6-2;

• EN 61000-6-3;

• EN 61000-6-4;

• EN 61010-1;

• EN 61000-3-2;

• EN 61000-3-3.

1.6.2

Available certificates

• CE;

• DM174;

• ACS.

Please find beside the certifications for some of our
product families. Please note that this list is not an
exhaustive list of all our certifications. In case of need
for more information please contact us.

1.7

Procedure for technical support

Procedure to follow for any technical support request:

1. Collect the required information for a technical assistance request.

ð

Product identification (see Serial label location [

Page 13] and Recommendations

ð

Description of the device problem.

2. Please refer to the Troubleshooting [

Page 86]. If the problem persists contact your

supplier.

1.8

Copyright and Trademarks

All indicated Pentair trademarks and logos are property of Pentair. Third party registered and
unregistered trademarks and logos are the property of their respective owners.

© 2020 Pentair. All rights reserved.

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Summary of Contents for FLECK 2850 SXT

Page 1: ...FLECK 2850 SXT INSTALLER MANUAL WATER PURIFICATION...

Page 2: ...ms definition 12 2 2 Serial label location 13 2 3 Hazards 13 2 3 1 Personnel 13 2 3 2 Material 14 2 4 Hygiene and sanitization 14 2 4 1 Sanitary issues 14 2 4 2 Hygiene measures 14 3 Description 15 3...

Page 3: ...ronement 37 5 3 1 General 37 5 3 2 Water 38 5 3 3 Electrical 38 5 3 4 Mechanical 39 5 4 Integration constraints 39 5 5 Valve connection to piping 40 5 5 1 Top mounted valve installation 40 5 5 2 Side...

Page 4: ...Filter programming 61 6 7 Diagnostic 61 6 7 1 Commands 61 6 7 2 Current flow rate FR 61 6 7 3 Peak flow rate PF 61 6 7 4 Hours since last regeneration HR 62 6 7 5 Volume since last regeneration VU 62...

Page 5: ...4 5 Micro switches replacement 79 9 4 6 Cams replacement 81 9 4 7 Injector cleaning 82 9 4 8 BLFC cleaning 83 9 4 9 DLFC cleaning 84 9 4 10 Valve on tank assembly 85 10 Troubleshooting 86 10 1 Error d...

Page 6: ...Installer manual Fleck 2850 SXT Table of Contents 6 104 Ref MKT IM 030 C 12 05 2020 11 12 Other components list 102 12 Disposal 103...

Page 7: ...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 SXT controll...

Page 8: ...ntroller HW Hot Water Inj Injector N A Not Available NBP No By Pass PN Part Number QC Quick connect Regen Regeneration S S Seals Spacers SBV Safety Brine Valve STD Standard SM Side Mounted Sys System...

Page 9: ...more information please contact us 1 7 Procedure for technical support Procedure to follow for any technical support request 1 Collect the required information for a technical assistance request Prod...

Page 10: ...per or wrong connection assembly of systems or products with this product and vice versa use of a non compatible lubricant grease or chemicals of any type and not listed by the manufacturer as compati...

Page 11: ...nstantaneously 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...

Page 12: ...ord indicates a potentially hazardous situation that can result in serious or fatal injury if not avoided CAUTION This combination of symbol and keyword indicates a potentially hazardous situation tha...

Page 13: ...any other legal regulations accident prevention and environmental protection measures as well as any recognized technical regulations relating to appropriate and risk free methods of working which ap...

Page 14: ...manual regenerations in order to clean the media bed During such operations do not use the water for human consumption Perform a disinfection of the system in the case of installations for treatment o...

Page 15: ...or HW time clock 1 82 C Ambient temperature 5 40 C Regeneration flow DF Bypass of raw water during regeneration Standard Yes NBP version No Flow rates 3 5 bar inlet valve only top mount Continuous ser...

Page 16: ...W Controller protection rating IP 22 Valve protection rating IP 44 Power supply 230 VAC 50 60 Hz 60 VA Class II Transient overvoltages within the limits of category II Pollution Degree 3 Temporary ov...

Page 17: ...self at 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 d...

Page 18: ...Installer manual Fleck 2850 SXT Description 18 104 Ref MKT IM 030 C 12 05 2020 3 3 Outline drawing...

Page 19: ...Installer manual Fleck 2850 SXT Description Ref MKT IM 030 C 12 05 2020 19 104 3 4 Components description and location Meter Outlet Drain line Brine line Injector block Inlet Power head Brine valve...

Page 20: ...Installer manual Fleck 2850 SXT Description 20 104 Ref MKT IM 030 C 12 05 2020 Micro switches AC motor SXT controller Piston Camshaft Display Regeneration button Up button Down button...

Page 21: ...ine draw slow rinse cycles C2 The valve directs water through the brine injector and brine is drawn from the brine tank The brine is then directed down through the resin bed and up through the riser t...

Page 22: ...Inlet Outlet Drain SERVICE NORMAL USE C1 BACKWASH Outlet Inlet Inlet Outlet Drain Drain C2 BRINE DRAW SLOW RINSE C3 RAPID RINSE From brine tank Outlet Inlet Inlet Outlet C4 BRINE TANK REFILL C5 PAUSE...

Page 23: ...the media Backwash cycle C1 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 an...

Page 24: ...scription 24 104 Ref MKT IM 030 C 12 05 2020 Outlet Inlet Inlet Outlet Drain SERVICE NORMAL USE C1 BACKWASH Outlet Inlet Inlet Outlet Drain C2 RAPID RINSE SERVICE NORMAL USE Untreated water with WBP p...

Page 25: ...part numbers 29247 29181 29182 or 29248 for HW SXT power head 2510 2750 2850 1600 or 1700 1710 injector assembly 3 6 2 No by pass configuration The valve is mounted with the SXT power head 2510 2750...

Page 26: ...C 12 05 2020 3 6 3 Automatic filter The valve is mounted with the SXT power head 2510 2750 2850 part number VCPHINDUS1 and a kit injector for filter customization 2750 2850 2910 part number 29249 SXT...

Page 27: ...lt your resin manufacturer specification To ensure that no additional pretreatment prior to softening is required The below sizing method can be applied for both residential and industrial softeners T...

Page 28: ...l be sufficient so that even when the peak flow rate is reached the velocity is still between the above values depending on the hardness When sizing a softener always choose the resin volume and tank...

Page 29: ...d between 2 regenerations This last capacity takes into account the hardness of the water to be treated and is expressed in m3 or litre the combined capacity which represents the volume of water that...

Page 30: ...dH Mandatory If a mixing device is set on the valve before meter use TH THINLET THOUTLET Having determined the previous capacity allows the operator to know the service cycle duration 4 2 4 Valve conf...

Page 31: ...t pressure in order to check if the injector will give a correct flow rate See chapters Salt amount definition Page 33 and Injector flow rates Page 33 4 2 5 Cycle time calculation From this point the...

Page 32: ...mount of salt in kg by 3 to get a approximation of the brine volume to draw To calculate slow rinse duration The volume of water to be used for slow rinse is given in the resin manufacturers specifica...

Page 33: ...e the tank size and the resin volume is given in the valve specifications To calculate the refill duration Trefill VWB QBLFC with Trefill refill duration min VWB Volume of water to be refill to prepar...

Page 34: ...34 104 Ref MKT IM 030 C 12 05 2020 4 4 1 1600 injectors INJECTOR 1 Total Rinse Draw Flow rate l min Inlet pressure bar INJECTOR 2 Total Rinse Draw Flow rate l min Inlet pressure bar INJECTOR 3 Total...

Page 35: ...Ref MKT IM 030 C 12 05 2020 35 104 4 4 2 1650 injectors INJECTOR 1 Total Rinse Draw Flow rate l min Inlet pressure bar INJECTOR 2 Total Rinse Draw Flow rate l min Inlet pressure bar INJECTOR 3 Total...

Page 36: ...f MKT IM 030 C 12 05 2020 4 4 3 1700 1710 injectors INJECTOR 3C Total Rinse Draw Flow rate l min Inlet pressure bar Draw Rinse INJECTOR 4C Total Rinse Draw Flow rate l min Inlet pressure bar INJECTOR...

Page 37: ...he 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 car...

Page 38: ...ter version and 82 C for time clock hot water version a minimum of 1 8 bar of water pressure is required for the valve to operate effectively Mandatory Do not exceed a maximum of 8 6 bar inlet pressur...

Page 39: ...mm in diameter Use 19 mm pipe if the backwash flow rate is greater than 26 5 lpm or the pipe length is greater than 6 m do not support the weight of the system on the valve fittings plumbing or the b...

Page 40: ...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...

Page 41: ...ank or on the female thread connection of the tank 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 pipin...

Page 42: ...Fleck meter Outlet shutoff Support tripod Manual shutoff valve bypass Outlet Tank Drain line Rubber expansion joint To avoid the piping supporting the valve and side adapter weight they must be fixed...

Page 43: ...Valve Resin tank Filter cartridge Main inlet Pressure regulator Suggested options Check valve to prevent water harm By pass Meter Drain line Brine line Brine tank Drain V285SR 001 Block diagram Top mo...

Page 44: ...Fleck 2850 SXT Installation 44 104 Ref MKT IM 030 C 12 05 2020 V285SR 001 Side mounted configuration example BV1600 60067 03 BV1700 25453 BV1600 18168 CW 23473 HW BV1700 18979 CW 18980 HW A 2816 63 6...

Page 45: ...2020 45 104 5 7 Electrical connections Valve motor Transformer W1 Black W2 Red W3 Green W4 Yellow W5 Blue W6 Brown W7 Orange W8 Vioet W9 White C Common NC Normally closed NO Normally open Relay Elect...

Page 46: ...ease products when installing any plastic valve Non silicone grease may cause plastic components to fail over time 5 9 Drain line connection Info Standard commercial practices are expressed here Local...

Page 47: ...ine 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 Mos...

Page 48: ...ine valve use 1 2 semi rigid or rigid piping Caution material Risk of malfunction due to the use of wrong equipment Flexible and semi flexible hoses may shrink because of the vacuum during brine draw...

Page 49: ...Diagnostic Page 61 3 Parameter display Master programming and diagnostic modes C Unit capacity CD Current day CT Regeneration control type DF Display format Dn n 1 to 7 Day of week DO Days override F...

Page 50: ...B2 Second backwash for dF2b regeneration flow BD Brine draw BF Brine fill BW Backwash RR Rapid rinse 4 Data display 5 PM indicator Appears if controller set in US unit 6 Flow indicator Flashes when o...

Page 51: ...and hold or until the programming icon replaces the service icon and the parameter display reads TD 2 Set the time with or 3 Press to validate the selection and return to the service mode or wait for...

Page 52: ...ext parameter 6 4 5 Reserve capacity RC or SF Determine the reserve capacity in litre or in percentage 1 Adjust the reserve capacity with and 2 Press to validate the selection and advance to the next...

Page 53: ...tanks 1 Single tank system 2 Double tanks system TS Tank in service U1 Tank 1 in service Only displayed for double tanks system U2 Tank 2 in service C Unit capacity 0 1 to 9 999 000 TH m3 Only display...

Page 54: ...ay of the week OFF by default Not available for 9000 serie valves CD Current day 1 to 7 Day of the week Not available for 9000 serie valves FM Flow meter type P0 7 paddle wheel t0 7 turbine P1 0 1 pad...

Page 55: ...low single backwash standard Othr other UFtr upflow filter for 5000 filter UFbd upflow brine first FLtr filter to be used with standard piston only except 5000 dF2b standard downflow double backwash 1...

Page 56: ...If it appears the 2850 valve being a single tank system go back to number of tanks NT and set it to 1 6 5 8 Unit capacity C Set the unit capacity Mandatory Enter the capacity of the media bed in m3 x...

Page 57: ...rdance with display format DF see Display format mode DF Page 55 2 Press to validate the selection and to move the next parameter 6 5 10 Reserve selection RS Info This parameter is not useful when reg...

Page 58: ...f days that the system can stay in service mode without regeneration Mandatory In time clock mode this parameter must be set and the controller will need at least one regeneration day activated Settin...

Page 59: ...cond backwash BW Backwash BD Brine draw RR Rapid rinse 6 5 13 2 For pre set regeneration cycles 1 Press or to set the regeneration cycle time 2 Press to validate the selection and move to the next par...

Page 60: ...wheel meter Standard setting for 4600 5600 and 9100 t0 7 turbine meter P1 0 1 paddle wheel meter Standard setting for 2750 and 9000 t1 0 1 turbine meter P1 5 1 paddle wheel meter Standard setting for...

Page 61: ...o the filter mode which are regeneration control type CT days override DO regeneration time RT backwash BW rapid rinse RR day of week Dn and current day CD 6 7 Diagnostic Info Depending on current set...

Page 62: ...current service cycle 1 Hours since last regeneration display 6 7 5 Volume since last regeneration VU Info Shows the volume used since the last regeneration L 1 Volume since last regeneration display...

Page 63: ...t partial and hard reset Partial reset will set all the parameters to default values except volume remaining in volumetric systems and days since last regeneration in time clock systems Hard reset wil...

Page 64: ...check the level of water in the brine tank or cabinet 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...

Page 65: ...ith polystyrene resins synthetic gel zeolite greensand and bentonites 5 25 Sodium hypochlorite If stronger solutions are used such as those sold for commercial laundries adjust the dosage accordingly...

Page 66: ...Fleck 2850 SXT Commissioning 66 104 Ref MKT IM 030 C 12 05 2020 7 2 3 Electro chlorination Valves or systems already equipped with an electrochlorinator device or system will be sanitized during the...

Page 67: ...ic regeneration flow exhausted reserve immediate or delayed start in regeneration depending on the adjustment Info In delayed volumetric mode the icon flashes as soon as the reserve begins to be used...

Page 68: ...to the technical guides for resins in common use providing necessary checks on the system 8 3 Manual regeneration Mandatory The controller must be in service in order to enable this procedure 8 3 1 Ma...

Page 69: ...tion 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 2 Inspection of electrica...

Page 70: ...i e outlet shut off during regeneration and or brine line shut off valve s 4 Test and record Total Hardness of outlet water from softener vessel s 9 1 3 2 Valve used for filtration 1 Initiate manual...

Page 71: ...replace if necessary Replace O rings Check for watertightness clean or replace in case of leakage Check for watertightness clean or replace in case of leakage Check for watertightness clean or replac...

Page 72: ...Check Check Check Valve to piping watertightness Check Check Check Check Check Wear parts durability strongly affected by raw water quality and regeneration frequency Electronic parts durability stro...

Page 73: ...tertightness clean or replace in case of leakage Motors Check Check Check Check Replace Gearing Check Check Check Check Check replace if necessary Electronic settings Check Check Check Check Check rep...

Page 74: ...motors Refer to maintenance 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 treat...

Page 75: ...n the controller 3 3 Using pliers remove the circlip 11 and free the arm 4 4 Using a flat screwdriver or a 11 mm wrench remove 10 5 Using a 19 mm wrench remove 9 the motor 6 and the power head 5 6 Rem...

Page 76: ...at screwdriver unscrew 2 and open the cover 1 2 Open the controller 3 3 Press on the clips 5 and remove the controller cover 4 4 Disconnect the controller 7 5 Press on the clips 6 and remove the contr...

Page 77: ...all the seals and spacers 6 Lubricate each new seals 2 7 Put back a seal 2 using the stuffer 8 Put back a spacer 1 using the stuffer 9 Repeat the two previous steps for all the seals and spacers 10 L...

Page 78: ...Installer manual Fleck 2850 SXT Maintenance 78 104 Ref MKT IM 030 C 12 05 2020...

Page 79: ...r AC and DC motor assemblies 1 Using a flat screwdriver unscrew 2 and open the cover 1 2 Open the SXT controller 3 or using a Philips screwdriver unscrew 4 and open the SXT controller 5 3 Disconnect t...

Page 80: ...Installer manual Fleck 2850 SXT Maintenance 80 104 Ref MKT IM 030 C 12 05 2020...

Page 81: ...is procedure is valid for AC and DC motor assemblies 1 Remove the micro switches see Micro switches replacement 2 Using pliers remove the circlip 1 and free the arm 2 3 Using pliers remove the pin s 4...

Page 82: ...injector assembly 2 3 Using flat screwdrivers remove the injector nozzle 7 and the injector throat 8 from the injector body 10 4 Clean the injector nozzle 7 the injector throat 8 and the filter 9 usin...

Page 83: ...move the cage 4 from the BLFC holder 3 4 Remove the BLFC washer 5 from the cage 4 5 Change or clean the BLFC washer 5 with a terry cloth 6 Clean the cage 4 7 Lubricate the seal 6 with approved lubrica...

Page 84: ...holder 2 2 Using a flat screwdriver remove the DLFC washer 1 from DLFC holder 2 3 Clean or change the DLFC washer 1 4 Reverse above procedure steps to rebuild Mandatory The washers 1 have to be instal...

Page 85: ...t cross threaded 3 Rotate the valve 1 clockwise and freely without using force until it comes to a stop Info This stop position is considered point zero 4 Rotate the valve 1 clockwise from point zero...

Page 86: ...lean or replace injector and or filter Insufficient water flowing into brine tank Check brine tank filling time and clean flow regulator Hot water tank hardness Repeated flushing of the hot water tank...

Page 87: ...he brine tank Plugged drain line flow control Clean drain line flow control Plugged injector system Clean injector and screen change if necessary Faulty brine valve Change brine valve Bad programming...

Page 88: ...change cycle cam Drain flows continuously Foreign elements in the valve Clean valve and check it in the different regeneration positions Internal valve leak Change seals spacers and or piston assembl...

Page 89: ...nals from microswitches 1 Unplug the unit and plug back in Allow the controller to attempt to find position again 2 Unplug the unit and examine the power head especially look at homing step microswitc...

Page 90: ...plug the unit 9 Put it into bypass 10 Contact dealer 10 1 3 Regeneration failure Info The system has not regenerated for more than 99 days or 7 days if the controller type has been set to day of week...

Page 91: ...91 104 10 1 4 Memory error Info The controller board has a memory failure 1 Perform a master reset 2 Reconfigure the system via master programming mode 3 Step the valve through a manual regeneration 4...

Page 92: ...BSP Assy 1 2 gpm 2850 2910 9500 1 25171 1 5 DLFC 1 NPT BSP Assy 1 5 gpm 2850 2910 9500 1 25171 2 DLFC 1 NPT BSP Assy 2 gpm 2850 2910 9500 1 25171 2 4 DLFC 1 NPT BSP Assy 2 4 gpm 2850 2910 9500 1 2517...

Page 93: ...assy 20 gpm 2850 2910 9500 1 25581 25 DLFC 1in NPT 3 4in BSP assy 25 gpm 2850 2910 9500 1 25581 ALL DLFC kit 1 2850 9500 10 to 25 gpm 1 3 13640 Dole 30 0 gpm 1 4 29111 30to45 Kit DLFC 2 BSP w reducer...

Page 94: ...mer assy SXT 2510 2750 2850 2910 1 4 BU28600 Wire harness power SXT 1 5 BR43346 E0 Circuit board SXT programmed eco 1 6 BU28714 Cover front panel label SXT 1 7 26217 01 Cover assy grey clear window 1...

Page 95: ...50 2850 2910 1 29248 Injector assy 1600 HW 2 0 1 3 9500 2750 2850 2910 1 2 10913 000SP Inj nozzle 1650 000 10 10913 00SP Inj nozzle 1650 00 10 10913 0SP Inj nozzle 1650 0 10 10913 1SP Inj nozzle 1650...

Page 96: ...ion 2750 2850 2910 1 11 3 2 1700 1710 injector parts list Item Part number Description Packaging quantity 1 29182 Injector assy 1700 1710 4C 3C 5C 9500 2750 2910 1 2 29221 Kit elbow fitting male 1 2T...

Page 97: ...00 assy 2750NBP 2850 0 50 gpm 1 26909 1 BV 1600 assy 2750NBP 2850 1 gpm 1 BU28796 0 25 BV 1650 assy 2850 NBP 0 25 gpm 1 BU28796 0 50 BV 1650 assy 2850 NBP 0 50 gpm 1 BU28796 1 BV 1650 assy 2850 NBP 1...

Page 98: ...10 2850 NBP 2 00 gpm 1 BU28608 4 BV 1710 2850 NBP 4 00 gpm 1 BU28608 7 BV 1710 2850 NBP 7 00 gpm 1 BU28610 1 2 BV 1710 2750 NBP 2850 WBP 2910 1 20gpm 1 BU28610 2 BV 1710 2750 NBP 2850 WBP 2910 2 00 gp...

Page 99: ...ackaging quantity 1600 27833 Safety brine valve 2300 without air check 24 27834 Safety brine valve 2300 HW without air check 24 60067 03 Safety brine valve 2310 without air check 24 25687 Brine valve...

Page 100: ...ic nut assy 10 4 18312SP Retainer drain 10 5 19805SP Plastic SBV 2310 Nut 50 6 60068 30SP New Float assy 2310 10 7 10150SP Grommet pass rod 2300 2310 2350 50 11 7 Distribution systems parts list Item...

Page 101: ...cks 500 HW 915mm 36 915 9 48 1710 18979 Air checks 900 1m88 5 BU28510 Air checks 900 1m10 5 18980 Air check 900 HW 5 11 9 Meters parts list Item Part number Description Packaging quantity 1 29089 Mete...

Page 102: ...Item Part number Description Packaging quantity 1 Kit 8 Top distributor 2 pin assy 1 Kit 9 Top distributor 2 pin assy HW 1 11 12 Other components list Mixing assembly Rotating side mount adaptor Item...

Page 103: ...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 Thi...

Page 104: ...www pentairaquaeurope com...

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