Nautilus® Plus NSP Stainless Steel D.E. Filter Installation, Operation
Contents
1. P N 191807 4 Rev C 12 30 03 C D E RECOMMENDATION The amount of D E should be 1 pound for each 10 square feet of filter area or MODEL POUNDS OF D E 7 Onanew pool installation it will require approximately one week to NSP 24 obtain and maintain the water clarity of which your filter is capable It is recommended to disassemble and clean the filter after initial NSP 36 pool clean up approximately 48 hours of operation Follow the NSP 48 instructions given in this manual for disassembly cleaning and reassembly NSP 60 8 Be sure to note the operating pressure of the filter when it is clean NSP 72 and properly charged with D E As the filter removes dirt from the pool the pressure will gradually increase As a guide when the NOTICE pound if D E will fill a 13 oz coffee can pressure has increased 7 to 10 psi from the initial reading it is time to backwash the filter Alternately another method for determining when to backwash the filter is by judging a drop in the amount of water flowing from the filter by observing the flow from the inlet fittings in the wall of the pool As a general rule backwashing is needed when the flow rate becomes about 2 3 the rate ofa clean filter D FILTER DISASSEMBLY ASSEMBLY Before Disassembling Filter Backwash filter according to instruction under Filter Backwash Procedure but stop after instruction 7 Do not precoat with new D E E DISASSEMBLY 1 Be sure pump is turned2. etc BE SURE THAT THE FILTER IS PROPERLY MOUNTED AND POSITIONED ACCORDING TO INSTRUCTIONS PROVIDED A GENERAL INFORMATION 1 Check carton for any evidence of damage due to rough handling in shipment If carton or any filter components are Table 1 damaged notify freight carrier immediately Vertical 2 After inspection carefully remove filter components from Model Size Clearance Req carton 184941 24 sq ft 61 in e 184942 36 sq ft 67 in 3 The filter should be mounted on a level concrete slab Position 484943 48 a ft 73 in the filter so that instructions warnings and the pressure gauge 484944 60 sq ft 79 in are visible to the operator It also should be positioned so that 184945 72 sq ft 85 in the piping connections control valve and drain port are convenient and accessible for servicing and winterizing 4 Provide space and lighting for routine maintenance access Do not mount electrical controls over filter Install electrical controls e g on off switches timers control systems etc at least five 5 feet from the filter This will allow you enough room to stand clear of the filter during system start up 5 Allow sufficient clearance around the filter to permit visual verification that the clamp is properly installed around the tank flanges see Figure 1 6 Allow sufficient space above the filter to remove the filter lid for cleaning and servicing This distance will vary with the model of filter
3. off and all pressure has been released from system Releasing clamp with pressure on system will cause tank lid to blow off causing severe injury or property damage NEVER adjust tighten or loosen band clamp when tank is under pressure Turn off system and release pressure before working on the filter 2 Remove filter drain plug and drain all water from tank AWARNING Clamp hardware and filter surface could have sharp edges which can cause bodily injury if improperly handled Please use caution when performing the following procedures 3 To remove the clamping ring partially unscrew the adjustment knob and release the head of the T bolt from the slotted bracket 4 Remove the tank lid with screwdriver or with a tool available from the manufacturer Avoid cutting rubber O ring or bending of lid or tank O ring channel See Figure 1 F ASSEMBLY Lid O ring Filter Lid Opener 1 Thoroughly clean air relief filter screen on top of manifold EVERY time filter is opened Be sure to remove all debris from screen 2 Inspect tank seal or tank o ring Item 35 for cuts nicks etc If damaged replace with a new one Clean tank seal area of tank shell both halves and tank seal 4 Inspect clean and lubricate the O ring Item 25 on the upper pipe assembly Item 17 Figure 1 Rev C 12 30 03 5 P N 191807 5 Replace holding wheel over center rod place washer over rod and turn holding wheel until elements spread to w
4. time the starting pressure after backwashing the filter indicates 2 to 6 psi higher than normal starting pressure it is time to perform a manual filter cleaning or a chemical cleaning procedure in the worst cases It is a good idea to disassemble the filter and perform a chemical cleaning procedure twice a year to remove accumulated body oils etc In areas that have freezing winter temperatures protect equipment by backwashing and either manually cleaning or chemically cleaning before winter storage Be sure all water is drained from the filter using the drain plug The air bleeder must be opened as well as all other valves P N 191807 6 Rev C 12 30 03 I FILTER BACKWASH PROCEDURE AWARNING To prevent equipment damage and possible injury turn pump OFF before changing valve position NOTE When backwashing with a separation tank see Separation Tank Owner s Manual for instructions Stop pump Ensure that the backwash line is open and any valving is adjusted to allow the free flow of water 2 Change valve positions a Ifusing Multi port Valve set to backwash position b Ifusing Two Position Slide Valve raise handle to fully extended position Stand clear of filter Start pump this will circulate water backwards through the filter to flush D E cake and contaminants into the separation tank or to waste If system has a sight glass backwash until water in glass runs clear If system does not have a sight glass a
5. 0 03 7 P N 191807 Releasing clamp with pressure on system will cause tank lid to blow off causing severe injury or property damage NEVER adjust tighten or loosen band clamp when tank is under pressure Turn off system and release pressure before working on the filter 5 Disassemble filter AWARNING To avoid severe injury or property damage follow instructions exactly under Disassembly Page 5 6 Grasp element assembly at top manifold using hand holds and lift to remove it Figure 2 7 Hose down element assembly and clean with bottle brush Figure 3 Use detergent solution or filter cleanser available from a pool service store NOTE To avoid damaging fabric do not allow filter element to rub on concrete or any abrasive surface during cleaning NOTE Do not expose element cloth to direct sun for long periods Direct sun will cause cloth to deteriorate 8 Inspect grid cloth for tears calcification plugged areas etc If necessary soak element in filter cleanser to remove buildup of oils etc One of the following cleaners is recommended FILTER CLEANSE Great Lakes Biochemical FILTER FREE Hydrotech Chemical Corp KLEEN IT Bio Lab Inc Mix a solution following the manufacturer s instructions on the label Place the entire grid assembly in a plastic container and add the solution so the entire grid assembly is submerged Allow to stand overnight 12 hours The following day wash with a hose and r
6. 5 523 2400 or 919 774 4151 Pentair Pool Products Cj gt Pe 1620 Hawkins Ave Sanford NC 27330 919 774 4151 4 ntair I Products 10951 West Los Angeles Ave Moorpark CA 93021 805 523 2400 MEMBER ae 001 Produc SPA 8 POOL Because reliability matters most INSTITUTE Rev C 12 30 03 1 P N 191807 ACAUTION The following information should be read carefully It outlines the proper manner of care and operation for your filter system You can expect maximum efficiency and life from your filtration system by following these instructions and taking the necessary preventative care 3 Your vertical grid diatomaceous earth D E filter is designed to operate for years with proper maintenance This filter housing is made of corrosion resistant materials and when installed operated and maintained in accordance with these instructions your filter will provide years of service 4 An External Air Relief Valve has been factory installed for your safety 5 Your filter must be charged with D E at initial start up before operating filter This D E will cover the vertical filter grid cloth within the filter with a thin coating Dirty water flows from the pool through the control valve on the side of the filter and into the lower side connection of the filter part 24 The dirty water flows through the vertical grid elements part 16 where dirt is filtered out by the D E Coating All grid elements channel cleaned water into a mani
7. 805 CLAMP RING ASSY INCLUDES 1 3 10 NSP 24 076033 KNOB 1 o eee 072173 WASHER 5 16 in s s FLAT 1 i tole ae See 1 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 CAPACITY In U S GPM Rev C 12 30 03 11 P N 191807 SAVE THESE INSTRUCTIONS Pentair Pool Products gt Pentair 1620 Hawkins Ave Sanford NC 27330 919 774 4151 Pool Products 10951 West Los Angeles Ave Moorpark CA 93021 805 523 2400 Because reliability matters most P N 191807 12 Rev C 12 30 03
8. Backwash one minute b Stop pump and change valve position 1 Ifusing Multiport Valve set to rinse position 2 Ifusing Two Position Slide Valve push handle down to filter position AWARNING To prevent equipment damage and possible injury turn pump OFF before changing valve position c Stand clear of filter d Restart pump run for one minute e Repeat steps a b c and d three times Cycling is effective when cake and contaminants are difficult to break and flush out of the filter ACAUTION Do not vacuum pool while backwashing filter Vacuum hose can restrict flow and prevent proper backwashing 7 Stoppump 8 Open air bleeder screw and release all pressure from tank and system 9 Follow Initial Start Up procedure to restart system 10 Compare pressure reading on gauge with reading recorded after initial start up The two readings should be very close if not do Manual Filter Cleaning Procedure J MANUAL FILTER CLEANING NOTE Atleast once a year disassemble and clean filter regardless of operating pressure readings This can be done conveniently while winterizing pool in cold climates Use this method regularly if no means of backwashing is available BEFORE DISASSEMBLING FILTER 1 Backwash filter as recommended but do not precoat with new D E 2 STOP PUMP 3 OPEN air bleeder screw 4 WAIT until all pressure is released from filter tank and system before loosening clamp Rev C 12 3
9. If cleaning is part of seasonal shutdown see Winterizing procedures below L WINTERIZING PROCEDURE 1 Backwash and manually clean the filter following the recommended procedures 2 We recommend removing the internal grid assembly and store in a dry area 3 Reassemble the filter following the recommended procedures 4 Open air bleeder valve Open all system valves Position Multiport Valve between port positions winterizing position to allow passage to all ports and relieve pressure on the sealing gasket Remove drain plugs from filter separation tanks and pumps 6 Drain system piping 7 We recommend covering the equipment with a tarpaulin or plastic sheet to inhibit deterioration from the weather Rev C 12 30 03 9 P N 191807 SECTION HI System Problem D E Leaking back to pool f Pool water not sufficiently clean 1 3 High filter pressure after 1 backwash 2 3 4 Return flow to pool diminished 1 and low filter pressure 2 Requires frequent backwash 1 short filter cycle Leakage at the clamp INTERNAL STAND PIPE HT 16 1 2 INLET TROUBLESHOOTING Cause After backwashing and re coating the filter with D E some amount of puffback is normal Damaged Grid or O ring in filter assembly Improper assembly ofinternal parts Missing or defective check valve Improper precoat of D E on grids 2 Inadequate turnover rate Pool chemistry not adequ
10. Nautilus Plus NSP Stainless Steel D E Filter Installation Operation 8 Service Manual IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS Table of Contents SECTION I FILTER OPERAT ION oo cssssssssssssssssssssssssssssssssscssssssssscsecsussssssessecsuesssssessecsessseesesseesees 1 SECTION TL FILTER INSTALLATION sanan 3 SECTION III TROUBLE SHOOTING 0 cccsscsssssssssesssessessessessssssessessusssessessessesssssseteessssssessesseesees 10 SECTIONIV TECHNICAL DATA A REPLACEMENT PARTS AWARNING Before installing this product read and follow all warning notices and instructions accompanying this filter Failure to follow safety warnings and instructions can result in severe injury death or property damage Call 800 831 7133 for additional free copies of these instructions Important Notice Attention Installer This manual contains important information about the installation operation and safe use of this product This information should be given to the owner operator of this equipment SECTIONI FILTER OPERATION A GENERAL INFORMATION 1 This filter operates under pressure When closed properly and operated without air in the water system this filter will operate in a safe manner 2 Warning labels should be affixed to the top of the filter and on the clamp bands at all times Keep safety labels in good condition Replace missing or damaged safety labels For free labels call 80
11. RID FULL NSP 48 7 15 59003000 GRID FULL NSP 60 7 15 59003600 GRID FULL NSP 72 7 16 192324 GRID ASSY COMPLETE NSP 24 1 16 192325 GRID ASSY COMPLETE NSP 36 1 16 192326 GRID ASSY COMPLETE NSP 48 1 16 192327 GRID ASSY COMPLETE NSP 60 1 16 1950600 GRID ASSY COMPLETE NSP 72 1 17 194981 PIPING ASSY UPPER NSP 24 1 17 194982 PIPING ASSY UPPER NSP 36 1 17 194983 PIPING ASSY UPPER NSP 48 1 17 194984 PIPING ASSY UPPER NSP 60 1 17 194985 PIPING ASSY UPPER NSP 72 1 18 192182 ROD 5 16 X 15 1 2 in MANIFOLD RETAINER NSP 24 2 18 192183 ROD 5 16 X 21 1 2 in MANIFOLD RETAINER NSP 36 2 18 192184 ROD 5 16 X 27 1 2 in MANIFOLD RETAINER NSP 48 2 18 192185 ROD 5 16 X 33 1 2 in MANIFOLD RETAINER NSP 60 2 18 195002 ROD 5 16 X 39 1 2 in MANIFOLD RETAINER NSP 72 2 19 154492 O RING 2 in BULKHEAD 2 20 194893 SPACER 2 in EXTERNAL 1 21 192320 O RING BULKHEAD 1 2 194801 BULKHEAD 2 in WIGROOVE 1 23 154722 FOOT NSP PF 1 24 194913 PIPING ASSY LOWER WIDRAIN 1 192323 O RING 2 2 195829 PLUG 2 in DRAIN 1 27 154747 SPACER 2 8 in DIA X 1 4 in PVC 1 7 28 154412 NUT 2 in BULKHEAD 1 2 192013 NUT 5 MBin 16 s s 4 35 3 072173 WASHER5 16in s s FLAT 2 g NSP 60 31 174955 WASHER 5 16 in s s LOCK 2 oe NSP 72 32 197092 BOTTOMASSY NSP 24 w PIPING 1 E 2 32 1970 BOTTOM ASSY NSP 36 w PIPING 1 E 32 197093 BOTTOM ASSY NSP 48 w PIPING 1 a 32 197094 BOTTOM ASSY NSP 60 w PIPING 1 45 32 197095 BOTTOM ASSY NSP 72 w PIPING 1 5 33 191
12. ate to inhibit algae growth Insufficient backwashing Filter cloth plugged with D E and contaminants Filter cloth plugged with mineral deposits Partially closed valve or restriction in returnline Obstruction in pump hair and lint strainer Obstruction in pump Obstruction in suction line to pump Improper backwash Pool chemistry not adequate to inhibit algae growth Improper precoat of D E on grids Plugged girds Flow rate too high Impropertorque on closure band hardware Debris contamination on tank seal and flanges Cutordamaged tank seal Corrosion pits on flanges CLEARANCE TO REMOVE GRIDS Remedy The D E will eventually be filtered out of the pool No action necessary Allow pressure to build to 5 11 psi above clean filter condition before backwashing see SECTION II F 5 Correct assembly of parts Install or repair check valve Use recommended amount of D E Consult dealer or pool service technician Maintain pool chemistry or consult pool service technician Backwash until water runs clear Manually clean filter grids Chemically clean filter grids Open valve or remove obstruction in return lines Clean basketin strainer Disassemble and clean pump Clean skimmer basket Remove obstruction in lines Open valves in suction line Backwash until water runs clear Maintain pool chemistry or consult pool service technician Use recommended amo
13. els 7 2 to 7 6 as well as other pool chemicals at their proper levels to avoid deterioration of the stainless steel tank The tank is stainless steel but is not corrosion proof it the pool chemistry is allowed to act aggressively Under such conditions the steel can experience pitting which will be most apparent in the flange area where the O ring seats and seals the two halves of the filter To minimize this tendency it is recommended to keep the flanges clean of surface corrosion by removing any corrosion with fine emery cloth or stainless steel wool do notuse steel wool and to coat the O ring witha substance suchas petroleum jelly silicone grease Mytilube or similar product Ifcorrosion is allowed to progress the filter will eventually leak at the O ring seal This process cannot be arrested or corrected by tightening the closure band though that may temporarily stop the leak H CLEANING FREQUENCY The filter on a new pool should be backwashed disassembled and cleaned after approximately 48 hours of operation to clean out plaster dust and or construction debris Once a new pool has been established the dirt collected will gradually increase the filter pressure When the filter pressure increases 7 to 10 psi over the initial pressure or when the flow has been reduced by about 1 3 from when the filter was clean it is time to backwash the filter Different areas and water conditions will have different normal cleaning intervals If at any
14. emove all of the solution from the grid so it does not return to the pool If calcified perform the chemical cleansing procedure described under Chemical Cleaning Procedures 9 Thoroughly clean air relief filter screen 10 With filter drain open hose down the internal portion of filter and thoroughly clean sealing area of tank halves 11 Replace the grid assembly by setting the manifold opening directly over the connector pipe Push down on the grid assembly and check to see that it is seated properly 12 Thoroughly clean drain plug seal and sealing area and replace and tighten plug To avoid severe injury or property damage follow instructions exactly under Assembly Page 5 13 Ifunit is returning to service see Initial Start up Page 4 14 If cleaning is part of seasonal shutdown see Winterizing Page 9 K CHEMICAL CLEANING Figure 3 1 STOP PUMP 2 OPEN air bleeder screw 3 WAIT until all pressure is released from filter tank and system before loosening clamp P N 191807 8 Rev C 12 30 03 Releasing clamp with pressure on system will cause tank lid to blow off causing severe injury or property damage NEVER adjust tighten or loosen band clamp when tank is under pressure Turn off system and release pressure before working on the filter ACAUTION Do not expose element cloth to direct sunlight for long periods Direct sunlight will cause the cloth to deteriorate To avoid damaging fabric do not a
15. fold system part 13 which exits at the upper side connection part 17 and through the control valve to return back to the pool By diluting the dirty pool water with clean water the entire pool becomes gradually cleaned Your filter and pump should be sized to circulate from 2 to 4 times the volume of water in the entire pool through the filter every day to accomplish the cleaning 6 As dirt is collected in the coating of D E in the filter the pressure will rise and the flow of water to the pool will be reduced See other sections in the manual to determine when to clean the filter and how to choose the appropriate cleaning method This filter will only remove suspended matter and does not sanitize the pool The pool must be sanitized and pH balanced for sparkling clear water Your filtration system must be configured and sized to meet you local health codes NOTE Part no s in parenthesis refer to the replacement parts as shown in the exploded drawing at the end of the manual Failure to run your filter or inadequate filtration can result in pool water clarity that could obstruct visibility and allow diving into or on top of obscured objects which can cause serious personal injury or drowning 7 Clear water is the result of proper filtration as well as proper water chemistry Pool chemistry is a specialized area and you should consult your local pool service specialist for specific help or instructions In general proper pool sanitat
16. idest gap Replace washer or hold down spring 800 series only then screw wing nut on rod Do not tighten nut beyond finger tight Be sure to clip air vent tube back into slot on holding wheel Clean vent tube screen cap of any debris 6 Remove rubber tank seal and clean both tank seal and channel Lubricate tank seal with a non water soluble grease or silicone lubricant and replace tank seal in channel 7 Clean the inside surface of the tank lid where it seals against the tank seal Place lid on tank push down on lid to seat in place 8 Replace the clamping ring Engage the head of the T bolt into the slotted bracket and tighten the adjustment knob Hand tighten only Do not over tighten the clamp band Tightening the clamp band beyond recommended procedures may damage the clamp band and cause unexpected failure sudden release of pressure and injury or damage Over tightening may also deform tank seal causing leakage at band clamp Corroded components cannot be repaired and must be replaced If you are experiencing corrosion consult your pool service company or dealer Always visually inspect filter components during normal servicing to insure structural safety Replace any item which is corroded bent or otherwise visually deteriorated Deteriorated filter components can allow the filter top or attachments to blow off and could cause severe bodily injury or property damage G FILTER CARE Keep pool water pH at the recommended lev
17. ion requires a free chlorine level of 1 to 2 PPM and a pH range of 7 2 to 7 6 FILTEROPERATIONAL DATA FILTER FILTER FLOW RATE i ine hile MODEL MODEL GPM Based on 2 0 GPM Sq Ft 2 5 GPM Sq Ft 2 0 GPM Sq Ft NSP 24 MESE 17 280 23 040 28 800 34 560 Des s a em uso am oi ss ea xm woo om orm Gea o om sro ram san P N 191807 2 Rev C 12 30 03 SECTION II FILTER INSTALLATION THIS FILTER OPERATES UNDER HIGH PRESSURE WHEN ANY PART OF THE CIRCULATING SYSTEM e g CLAMP PUMP FILTER VALVE S ETC IS SERVICED AIR CAN ENTER THE SYSTEM AND BECOME PRESSURIZED PRESSURIZED AIR CAN CAUSE THE LID TO BE BLOWN OFF WHICH CAN RESULT IN SEVERE INJURY DEATH OR PROPERTY DAMAGE TO AVOID THIS POTENTIAL HAZARD FOLLOW THESE INSTRUCTIONS BEFORE REPOSITIONING VALVE S AND BEFORE BEGINNING THE ASSEMBLY DISASSEMBLY OR ADJUSTMENT OF THE CLAMP OR ANY OTHER SERVICE OF THE CIRCULATING SYSTEM A TURN THE PUMP OFF AND SHUT OFF ANY AUTOMATIC CONTROLS TO ENSURE THE SYSTEM IS NOT INADVERTENTLY STARTED DURING THE SERVICING B OPEN THE AIR RELIEF VALVE C WAIT UNTIL ALL PRESSURE IS RELIEVED WHENEVER INSTALLING THE FILTER CLAMP FOLLOW THE FILTER CLAMP INSTALLATION INSTRUCTIONS EXACTLY ONCE SERVICE ON THE CIRCULATING SYSTEM IS COMPLETE FOLLOW SYSTEM RESTART INSTRUCTIONS EXACTLY MAINTAIN CIRCULATION SYSTEM PROPERLY REPLACE WORN OR DAMAGED PARTS IMMEDIATELY e g clamp pressure gauge valve s O rings
18. ipment as close to the pool as possible A check valve is recommended between the filter and heater to prevent hot water back up which will damage the filter and valve Another check valve is recommended between the filter and the pump to prevent D E from migrating back to the pool when the filter is off The maximum operating pressure of this unit is 50 pounds per square inch Never operate this filter above this pressure or attach a pump to this filter that has more than 50 psi shut off pressure Never install a chlorinator upstream of the filter always downstream and with a check valve in between the chlorinator and filter A positive shut off valve is not recommended at the outlet of the filtering system If the system is ever run with such a valve closed the internal air relief system becomes inoperative and an explosive situation could exist Additionally running the system with no flow will seriously damage the equipment A positive shut off valve is also not recommended at the waste port of the valve If the system is ever run with such a valve closed the filter pressure will go abnormally high and increase the risk of vessel separation Additionally running the system with no flow will seriously damage the equipment Never store pool chemicals within 10 ft of your pool filter and pump Pool chemicals are corrosive and should always be stored in a cool dry and well ventilated area Chemical fumes and or spills can cause sever c
19. llow filter element to rub on concrete or any abrasive surface during cleaning 4 Disassemble Filter AWARNING To avoid sever injury or property damage follow instructions exactly under Disassembly Page 5 5 Disassemble and inspect element grid assemblies for tears and worn areas Replace as needed 6 Rinse each grid thoroughly with water 7 Wash each grid with a mild soap solution If necessary soak element grids in filter cleaner to remove buildup of oils etc 8 Rinse thoroughly to remove all soap film 9 Toremove mineral buildup from filter cloth soak each element grid two to four hours in a solution of one part muriatic acid to ten parts water Some foaming may occur AWARNING Working with muriatic acid can be dangerous When cleaning elements always wear rubber gloves and eye protection Add acid to water do not add water to acid Splashing or spilling acid can cause severe personal injury and or property damage 10 Rinse each element grid thoroughly with water 11 Reassemble element grids 12 Inspect inside of filter tank and remove all debris remaining after backwashing 13 Thoroughly clean air relief screen on top of manifold Be sure to remove all debris from screen 14 Follow Filter Assembly procedure Page 5 To avoid severe injury or property damage follow instructions exactly under Assembly Page 5 15 If unit is returning to service see Initial Start up Page 4 16
20. orrosive attack to the filter and pump structural metallic components Structurally weakened filter components can cause filter or valve attachments to blow off and could cause severe bodily injury or property damage B INITIAL START UP 1 On a new pool clean the pool before filling with water Excess dirt and large particles can cause damage to pump and filter Check clamp assembly for tightness See Filter Disassembly and Assembly procedures Move valve handle to filter position Open air bleeder screw Item 1 on the filter top Check pump strainer pot to be sure it is full of water Replace pump lid Conditions where air enters the filter and the tank lid is not installed properly can cause the lid to separate and could cause serious bodily injury and or major property damage Always stand clear of the filter when it is in operation or when power to the pump is turned on Open all suction and return line valves Stand clear of filter during the following operations Start pump The tank will fill with water and expel air from air bleeder Remove the skimmer lid put the recommended amount of diatomaceous earth D E into the skimmer The D E will be drawn into the filter and deposited evenly upon the grid elements Now the filter is providing the pool with bright clean water NOTE Do not operate filter without D E charge for more than two minutes Do not use more than the recommended amount of D E in your filter
21. unt of D E Manually clean or chemically clean as required Restrict flow to capacity of filter Reassemble clamp following procedure under Assembly on page 5 Clean tank seal and flanges Lubricate tank seal Replace tank seal Replace tank and consult pool service technician for source of corrosion Dimensional Sheet DRAIN 2 FEMALE PIPE THD 18 INLET AND OUTLET QUICK CONNECT FITTINGS ARE 1 1 2 SOCKET 2 SOCKET P N 191807 MODEL NSP 24 NSP 36 NSP 48 NSP 60 NSP 72 A DIM B DIM C DIM e ee u OT aio n aran 298 nm wz es somm 236 Hem 10 Rev C 12 30 03 SECTION IV TECHNICALDATA A REPLACEMENT PARTS ITEM PARTNO DESCRIPTION ary 1 273550 AIR RELIEF ASSEMBLY 1 2 273512 BLEEDER 1 3 273513 O RING BLEEDER 1 4 278501 CAP 1 5 273550 VALVE BODY MACHINED 1 6 155050 PRESSURE GAUGE 1 7 15492 O RING 2 8 272546 LABEL WARNING 1 9 191808 SHELL TOP NSP 24 1 9 191821 SHELL TOP NSP 36 72 1 10 273505 SPACER 1 M 154412 BULKHEAD NUT 1 12 172855 STRAINER AIR VENT 1 13 192193 MANIFOLD GRID COMPLETE 1 14 59001000 GRID PARTIAL NSP 24 1 14 59001700 GRID PARTIAL NSP 36 1 14 59002300 GRID PARTIAL NSP 48 1 14 59002900 GRID PARTIAL NSP 60 1 14 59003500 GRID PARTIAL NSP 72 1 15 59001100 GRID FULL NSP 24 7 15 59001800 GRID FULL NSP 36 7 15 59002400 G
22. you are using See Table 1 for the required vertical clearance 7 Filter plumbing connections are provided with an O ring seal If you have a Multi port Valve assemble the valve to tank being sure O rings on valve WALL OR STRUCTURE fittings are in place and are clean To avoid damage to the O rings use only a silicone base lubricant applied lightly such as silicone grease 6 MINIMUM SPACE Mytilube or similar product on O rings and O ring grooves prior to assemble Do not use pipe joint compound glue or solvent on the bulkhead connections 8 Ifyou have a two position slide valve align the valve with tank so that the handle is toward the top of the tank push valve into ports and turn the valve nuts snugly on tank fittings It is not necessary to cinch valve nuts to tank fitting beyond hand tightness Rev C 12 30 03 3 P N 191807 6 MINIMUM SPACE W a gt E o 2 a E N oc O Figure 1 10 11 12 13 14 15 16 17 Assemble piping and pipe fittings to pump and valve All piping must conform to local and state plumbing and sanitary codes Use Teflon tape or Plastojoint stick on all male connections of pipe and fittings Use only pipe compounds suited for plastic pipe Support pipe to prevent strains on filter pump or valve Long piping runs and elbows restrict flow For best efficiency use the fewest possible fittings large diameter pipe at least 11 preferably 2 and locate equ
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