autotrol® 255 valve / 400 series controls service manual
Contents
1. 1 inch NPT Plastic Pipe Adapter Kit a EE 001604 3 4 inch BSPT Plastic Pipe Adapter Kit KE eee 001605 1 inch BSPT Plastic Pipe Adapter Kit EN Las 3023824 3 4 inch BSPT S S Pipe Adapter Kit FF UE 3023828 1 inch NPT S S Pipe Adapter Kit Dee Lon 3023807 1 inch BSPT S S Pipe Adapter Kit Not Shown Autotrol 255 Valve 400 Series Controls Service Manual SE12 e 17 TROUBLESHOOTING The technology upon which the Series 255 control is based is well established and proven in service over many years However should a problem or question arise regarding the operation of the system the control can be very easily serviced The control module can be quickly replaced or adjustments can be made at the installation We recommend that you contact your local professional water treatment dealer for most concerns For parts mentioned refer to exploded views in the Replacement Parts section of this manual NOTE Service procedures that require the water pressure to be removed from the system are marked with a after the possible cause Refer to Preventative Maintenance section for instructions Valve Troubleshooting Brine tank overflow Uncontrolled brine refill flow rate Remove brine control to clean ball and seat Air leak in brine line to air check Check all connections in brine line for leaks Refer to instructions Drain control clogged with resin or other Clean drai2. Transformer Extension Cord 15 foot 4 5 m 16 e Autotrol 255 Valve 400 Series Controls Service Manual SE12 REPLACEMENT PARTS continued Piping Boss QTY PartNo EU UE UED ND AFU HENNY Piping Boss Kit includes Hardware 3 4 inch NPT S S 3 8 inch NPT Drain 1 inch NPT S S 1 2 inch NPT Drain 3 4 inch BSPT S S 3 8 inch BSPT Drain 1 inch BSPT S S 1 2 inch BSPT Drain 3 4 inch NPT Noryl 1 2 inch NPT Drain 1 inch NPT Noryl 1 2 inch NPT Drain 3 4 inch BSPT Noryl 1 2 inch BSPT Drain 1 inch BSPT Noryl 1 2 inch BSPT Drain Piping Boss Installation Kit Item No Description Meter Adapter Item No QTY Part No Description VE a 1032390 a Kit Meter Adapter Dweud L 1032351 Meter Install Kit Bypass Valve Item No QTY Part No Description UE tees 1040769 Bypass Body Assembly with Install Kit SE Late 1040524 Bypass Installation Kit Bypass Valve Item No QTY Part No Description KE BE 1004606 a 3 4 inch Copper Tube Adapter Kit leg 1001670_ _ 1 inch Copper Tube Adapter Kit E EE 1041210 1 1 4 inch Copper Tube Adapter Kit eiis 1040547 90 Degree Elbow Adapter Kit eege 1001608 22 mm Copper Tube Adapter Kit Dees UE 001613 3 4 inch CPVC Tube Adapter Kit Deiere UE 1004616 1 inch CPVC Tube Adapter Kit EE A 0016195222 25 mm CPVC Tube Adapter Kit FR Las 1001769 ni 3 4 inch NPT Plastic Pipe Adapter Kit Dee i ener 001 603
3. cam and doubles the amount of the setting 12 e Autotrol 255 Valve 400 Series Controls Service Manual SE12 PREVENTIVE MAINTENANCE Inspect and clean brine tank and screen filter on end of brine pickup tube once a year or when sediment appears in the bottom of the brine tank Clean injector screen and injector once a year 1 Unplug the wall mount transformer 2 Shut off water supply or put bypass valve s into bypass position 3 Relieve system pressure by opening valve No 5 at rear with a screwdriver 4 Using a screwdriver remove injector screen and injector cap Figure 16 Clean screen using a fine brush Flush until clean Using a needle nose pliers pull injector straight out 7 Flush water into the injector screen recess of the valve body to flush debris out through the injector recess Clean and flush the injector 9 Lubricate the O rings on the injector injector cap and injector screen with silicone lubricant 10 Reinstall the injector injector cap and injector screen See CAUTION below 11 Plug the wall mount transformer into outlet reset time of day 12 Slowly open water supply valve or return bypass valve s to the not in bypass position Do not overtighten the plastic cap Seat the cap lightly into position Overtightening may cause breakage of the plastic cap that may not be immediately evident Screen Injector Cap Figure 21 Autotrol 255 Valve 400 Series Controls Servi
4. 20 The amount of salt placed in the brine tank has nothing to do with the amount of salt used during the regeneration cycle Water will dissolve and absorb salt only until it becomes saturated A given amount of brine salt saturated water contains a specific amount of salt The salt dial controls the amount of brine used during the regeneration cycle e g when set at 15 pounds 6 8 kg the amount of brine the conditioner will use for each regeneration will contain 15 pounds 6 8 kg of salt etc Never let the amount of salt in the brine tank be lower than the normal liguid Level Do not overload the brine tank with salt Guest Cycle Manual Regeneration When abnormally high water usage exhausts your water conditioner s capacity ahead of schedule an extra regeneration can be achieved Depress the indicator knob on the 440i Figure 11 with a wide blade screwdriver and turn COUNTERCLOCKWISE to START to initiate a regeneration For the 460i simply depress the indicator knob Figure 12 It will take a few minutes for regeneration to start A normal regeneration will take approximately two hours Table 1 Suggested Salt Dial Settings Pounds of Salt For Various Size Softeners Capacity Setting Kilograins 1 75 Ft lb T w ws wo ss _ Csa m o m gt Ca j w o wa m Ce lelea el e u me gt Le ee e gt s ee This setting reguires the use of XS extra salt
5. Locking Bar 1031402 English Language 1031403 French Language de FY E EN 031404 German Language HYD 1031405 ltalian Language ENNEN 1031406 Japanese Language 1031407 Spanish Language 003093 Screw No 8 x 9 16 inch 1239539461 ie Spring one pc 255 UE MR 3019870 i Lid Cover 9 2 au YS 3019873 Lever Locking Cam Kits 1001404 O Ring Group Tank Adapter 1010117 1 1010407 1 1010410 4 1040459 0 Ring Group Piping Boss 1010431 1 1010411 2 LEE 1041010 13 16 Rubber Insert Optional Valve Discs eessen 10D0250__ 2 Standard Not Shown Elow control does not use Flow Control Ball 1030502 Autotrol 255 Valve 400 Series Controls Service Manual SE12 15 REPLACEMENT PARTS 440i 460i 460TC Meter Adapter Piping Boss 256 Bypass Valve Note Do not use pipe joint compound when threading pipe into the Noryl piping boss Use only plumber tape Do not overtighten pipe into Noryl piping boss 255 Series Accessories Item No QTY Part No Description ER Tn WD RY ts 440i Assembly obsolete E Y 460i 460TC Assembly dnn at Tasa asas u Transformer SE 1000810 Japanese GN 1000811 North American ee 1000812 Australian HT aus 1000813 British Se 1000814 European EE 1030234
6. Pressure assabe deed eege 20 120 psi 1 38 8 27 bar Standard 12 Volt Transformer Input Electrical Rating 115V 60 Hz Optional 12 Volt Transformer Input Electrical Rating 115V 50 Hz 230V 50 Hz 230V 60 Hz 100V 60 Hz 100V 50 Hz Operating Ambient Temperature 34 F to 120 F 1 C to 49 C Operating Water Temperature 34 F to 100 F 1 C to 38 C Pentair Residential Filtration LLC 5730 North Glen Park Road Milwaukee WI 53209 4454 USA 262 238 4400 Phone www pentairaqua com 1018075 Rev P SE12
7. and seat operation 255 460i 460TC Troubleshooting No water flow display when Bypass valve in bypass Shift bypass valve to not in bypass position water is flowing Meter probe disconnected or not fully Fully insert probe into meter housing connected to meter housing Restricted meter turbine rotation due to Remove meter housing free up turbine and flush foreign material in meter with clean water Turbine should spin freely If not replace meter Contact dealer Defective meter probe Replace meter cable no meter cable for the 460TC Contact dealer Continuous regeneration Misaligned optical sensor Replace optical sensor no sensor for the 460TC Camshaft does not stop at the Contact dealer end of regeneration Run out of soft water between Improper regeneration Repeat regeneration after making certain correct regenerations salt dosage was set Incorrect salt setting Set salt control to proper level See salt setting chart Incorrect hardness or capacity settings Set to correct values See Programming section Water hardness has increased Set hardness or days to new value See Programming section Restricted meter turbine rotation due to Remove meter housing free up turbine and flush foreign material in meter with clean water Turbine should spin freely if not replace meter Contact dealer Autotrol 255 Valve 400 Series Controls Service Manual SE12 19 VALVE SPECIFICATIONS Working
8. gt PENTAIR AUTOTROL 255 VALVE 400 SERIES CONTROLS SERVICE MANUAL 2012 Pentair Residential Filtration LLC Tech Support 800 279 9404 www pentairaqua com pro TABLE OF CONTENTS SAFETY INFORMATION uuu Ennn Er ERKE EEEN ERE rete teas 2 VALVE ILLUSTRATION uu uyasha yssasasaskayskapashasuakan 5 SYSTEM REGENERATION CYCLES nassisisnsstraiiraniss neresen 6 INSTALLATION secacssiterecsterseecssssserntectieerres terstirea scree 6 DISINFECTION OF WATER CONDITIONERS 8 PLACING CONDITIONER INTO OPERATION 9 400 SERIES CONTROL SETTINGS seess uuu uum nissa 10 PREVENTIVE MAINTENANCE iini Fa nin nonini 13 REPLACEMENT PARTS FOR AUTOTROL 255 CONTROL 14 REPLACEMENT PAR TSW DYD DF ada dnn sd FYD 16 TROUBLESHOOTING uch ease s ARR narnii 18 VALVE SPECIFICATIONS uuu ua anush s sess RD YNA O 20 2 e Autotrol 255 Valve 400 Series Controls Service Manual GEI The systems below have been tested and certified by the WQA to NSF ANSI Std 44 and NSF ANSI 237 for lead free compliance The 255 valve has been tested and certified by the WGA to NSF ANSI Std 61 Section 8 Mechanical Devices WQA Certified 255 460i Systems 255 460i 075 844 255 560i 100 948 luo Ajayes euio1ejN 10 8 uolno s 19 PIS ISNV 4SN Ol VOA Aq payed pue pas L si lun Siy uo pesn Aen eU oouejjduioo 824 pea 40 ZZE ISNV 4SN tt p4epueis ISNV 4SN IsuleBe YO
9. through the resin bed Backwash Upflow The flow of water is reversed by the control valve and directed down the riser tube and up through the resin bed During the backwash cycle the bed is expanded and debris is flushed to the drain Brine Slow Rinse Downflow The control directs water through the brine injector and brine is drawn from the regenerant tank The brine is then directed down through the resin bed and up through the riser tube to the drain The hardness ions are displaced by sodium ions and are sent to the drain The resin is regenerated during the brine cycle Brine draw is completed when the air check closes From Regenerant 2 a a Ee nig Mf d Le A Fast Rinse Downflow The control directs water down through the resin bed and up through the riser tube to the drain Any remaining brine residual is rinsed from the resin bed Brine Refill Downflow Brine refill occurs during a portion of the fast rinse cycle Water is directed to the regenerant tank at a controlled rate to create brine for the next regeneration Repressurize Cycle No Flapper Open This cycle closes all flappers for a short time to allow the air and water to hydraulically balance in the valve before continuing the regeneration To Regeneran
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12. age from freezing will void this water conditioning unit s warranty Do not store flammable or volatile chemicals near this water conditioning unit For the purpose of plumbing system sizing only the rated service i e Normal flow and corresponding pressure loss may be used The rated service flow rates are the flow rates at which the performance capabilities of these devices were evaluated Contact your local Professional Water Dealer for system service and to obtain Autotrol replacement parts for this control valve unit 4 e Autotrol 255 Valve 400 Series Controls Service Manual SE12 VALVE ILLUSTRATION Autotrol 255 Valve Control Module 400 Series Control Optional i lid Cover Variable Brine Control Air Check Injector Access Plug Figure 1 Tank Adapter Module Optional Bypass Brine Line Fitting Connection 1 4 inch NPT Air Check fai eos De mb Inlet Connection 3 4 inch or 1 inch NPT or BSPT Drain Connection 3 8 inch or 1 2 inch NPT or BSPT A Outlet Connection 3 4 inch or 1 inch NPT or BSPT Tank Thread 2 1 2 inch 8 Male Figure 2 Autotrol 255 Valve 400 Series Controls Service Manual SE12 e 5 SYSTEM REGENERATION CYCLES 1 Service Downflow 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 water The water is conditioned as it passes
13. button until the desired clock setting is displayed The clock range is 0 to 1 Select 0 for the standard AM PM clock or select 1 for a 24 hour clock Return the jumper to the top set of pins next to the word TIME and replace the access door The jumper must NOT be left on any pins other than the top pair next to the word TIME Otherwise the unit may show a blank display NOTE A spare jumper is located on the bottom set of pins Common Features When using the 255 valve with the 440i or 460i controls there are several features and procedures that are unique to the 400 series controls They are as follows Salt Dial Adjustment These models may be adjusted to produce maximum to minimum conditioning capacities by setting the salt dial which controls the amount of salt used per regeneration When desired the minimum setting may be used on installations if the frequency of regeneration is increased to compensate for lower regenerated conditioning capacity The installing dealer will set the unit for proper salt usage Further adjustments are needed only if the hardness of the water supply changes or if water use changes dramatically Capacity will need to be adjusted accordingly To adjust salt dosage insert a small screwdriver into the white indicator knob and move pointer to proper salt setting Figure 13 NOTE To convert the salt settings from English to metric divide by 2 2 e g 12 pounds 2 2 5 5 kg of salt Figure
14. ce Manual SE12 e 13 REPLACEMENT PARTS FOR AUTOTROL 255 CONTROL Valve Body Item No QTY Part No Description DD E AET aswaa 100292 uu au Valve Assembly w o Flow Controls ees Eeer aaa Camshaft EE E 1031950 Standard One Piece TREN DN FERTH FU 1033024 Standard Segmented Geer 1033025 Extra Salt Segmented THO 1033026 Long Rinse Segmented EE 1032969 Water Saver Segmented EE Lea 1031391 uu Timer Locking Pin GT EEN 1000226 Screen Cap Assembly w 0 Ring Ossa aaa UE Drain Control Assembly w 0 Rings EE 1000209 No 7 1 2 gpm 4 5 Lpm 14 e Autotrol 255 Valve 400 Series Controls Service Manual SE12 REPLACEMENT PARTS FOR AUTOTROL 255 CONTROL continued Item No QTY Part No Description IEN No 8 1 6 gpm 6 1 Lpm 0211 No 9 2 0 gpm 7 6 Lpm 2 TD as guy No 10 2 5 gpm 9 5 Lpm OA S No 12 3 5 gpm 13 2 Lpm OZI No 13 4 1 gpm 15 5 Lpm 0215 u No 14 4 8 gpm 18 2 Lpm 0502 Ball Flow control Brine Refill Control EN 1034261 1 to 10 lbs Salt ENNYN ON u ns 1034263 3 to 19 lbs Salt ees ere gees Injector Assembly with O Rings Y NN 1032970 A Injector White 1032971 B Injector Blue 1032972 CT Injector Red 100026953 Injector Cap with O Ring 1032416_ Air Check Kit 1010429 uu O Ring BN 1010428 O Ring EP Hn
15. d Salt Dial Settings table Return the jumper to the top set of pins next to the word TIME and replace the access door The jumper must NOT be left on any pins other than the top pair next to the word TIME Otherwise the unit may show a blank display NOTE A spare jumper is located on the bottom set of pins In the event that the hardness or capacity setting must be changed simply follow the appropriate steps described above Calendar Override Setting 1 Disconnect power 2 Place jumper on Pin A and reconnect power 3 Move jumper to Pin B A zero will appear indicating zero days of calendar override All 460i controllers are preprogrammed in this manner at the manufacturer 4 Depress the black TIME SET button The numbers will roll from 0 to 15 Release the switch at the desired number of days for the calendar override For example releasing the switch at 10 would program a 10 day calendar override 5 Disconnect power Place jumper back on TIME and reconnect power 7 The calendar override program is maintained during power outages by the NOVRAM circuitry 8 To remove the calendar override follow the same steps above and program back to 0 460TC Control Hour Time Display PM Indicator Access Door BRINE Timer Locking Pin Transformer Plug Receptacle Indicator Knob Time Set Button Figure 16 Programming Plug the wall mount transformer in
16. d connections are tight so that premature checking does not take place Premature checking is when the ball in the air check falls to the bottom before all brine is drawn out of the brine tank See Placing Conditioner into Operation section Overflow Line Connection In the absence of a safety overflow and in the event of a malfunction the BRINE TANK OVERFLOW will direct overflow to the drain instead of spilling on the floor where it could cause considerable damage This fitting should be on the side of the cabinet or brine tank To connect overflow locate hole on side of brine tank Insert overflow fitting not supplied into tank and tighten with plastic thumb nut and gasket as shown Figure 7 Attach length of 1 2 inch 1 3 cm I D tubing not supplied to fitting and run to drain Do not elevate overflow line higher than 3 inches 7 6 cm below bottom of overflow fitting Do not tie into drain line of control unit Overflow line must be a direct separate line from overflow fitting to drain sewer or tub Allow an air gap as per drain line instructions Figure 6 Overflow Fitting Brine Tank Installed Connect 1 2 inch 1 3 cm Tubing or Hose and Run to Drain Figure 7 Low Voltage Transformer Use only the included transformer for powering the 400 series timers Connect the plug of the transformer secondary cable to the mating socket on the control see Figure 8 Be certain that the transformer is plugged into a co
17. is approximately 1 inch 25 mm above the platform Control Valve Air Check Brine Line Figure 10 Control Valve Put into operation A B Open water supply valve slowly to full open position Carefully advance indicator knob COUNTERCLOCKWISE to center of FAST RINSE REFILL position and hold there until air check Figure 10 fills with water and water starts to flow through brine line into brine tank Do not run for more than two minutes Advance indicator knob COUNTERCLOCKWISE until arrow points to the center of the BRINE SLOW RINSE position With the conditioner in this position check to see if water is being drawn from the brine tank The water level in the brine tank will recede very slowly Observe for at least three minutes If the water level does not recede or goes up or if air enters the transparent air check chamber and the ball falls and seats reference Troubleshooting section Advance indicator knob COUNTERCLOCKWISE to CONDITIONED WATER Run water from a nearby faucet until the water is clear and soft Autotrol 255 Valve 400 Series Controls Service Manual SE12 e 9 400 SERIES CONTROL SETTINGS 440i Control obsolete Day Arrow Skipper Pins Skipper Wheel TO SET TIME OF DAY PULL KNOB AND ROTATE Timer Time Arrow Timer Knob Locking Pin Indicator Knob Figure 11 Programming 1 Set days of regeneration on skipper wheel Figure 11 e Pull all skipper pins outward away fro
18. lve 2 Ifthe unit is located more than 20 feet 6 1 m from drain use 3 4 inch 1 9 cm tubing for runs up to 40 feet 12 2 m Also purchase appropriate fitting to connect the 3 4 inch tubing to the 1 2 inch NPT drain connection 3 If the unit is located where the drain line must be elevated you may elevate the line up to 6 feet 1 8 m providing the run does not exceed 15 feet 4 6 m and water pressure at conditioner is not less than 40 psi 2 76 bar You may elevate an additional 2 feet 61 cm for each additional 10 psi 0 69 bar 4 Where the drain line is elevated but empties into a drain below the level of the control valve form a 7 inch 18 cm loop at the far end of the line so that the bottom of the loop is level with the drain line connection This will provide an adequate siphon trap 5 Where the drain empties into an overhead sewer line a sink type trap must be used Never insert drain line into a drain sewer line or trap Always allow an air gap between the drain line and the wastewater to prevent the possibility of sewage being back siphoned into conditioner Correct Way Drain Line tube S Figure 6 NOTE Standard commercial practices have been expressed here Local codes may require changes to these suggestions Brine Line Connection It will be necessary to install the brine tube and line to a fitting installed on the air check Use plumber tape on all threaded connections Be sure all fittings an
19. m control e Rotate skipper wheel until day arrow points to current day or number 1 Depress skipper pin s at day s for which regeneration is desired 2 Set the time of day e Grasp timer knob and pull outward e Rotate in either direction until the timer arrow points to the actual time of day e Release timer knob NOTE With the time of day properly set the conditioner will regenerate at about 2 30 a m If you prefer to have the unit regenerate at an earlier or later time simply set current time of day accordingly e g to have the unit regenerate at 4 30 a m two hours later set the clock two hours earlier than the actual time of day NOTE The Timer Locking Pin should always be horizontal Figure 11 during operation 10 e Autotrol 255 Valve 400 Series Controls Service Manual SE12 460i Control Water Flow Indicator Hour Time Display PM Indicator Access Door BRINE FAST RINSE REFILL i Jumper Indicator Knob Time Set Button f Spare Timer Locking Transformer Plug Jumper Pin Receptacle Figure 12 Programming Plug the wall mount transformer into a functioning electrical outlet that is not controlled by a switch Plug the transformer into the transformer plug receptacle on the control Open the access door by pushing the raised tab on the door toward the left while pulling the tab out Figure 12 Time of Day Setting With the jumper on the set of pin
20. n control debris Flowing or dripping water Valve stem return spring weak Replace spring Contact dealer at drain or brine line after regeneration regeneration salt dosage was set Valve disc 2 and or 3 not closed Remove foreign matter from disc and check disc for closing by pushing in on stem Replace if needed Contact dealer Air check valve prematurely closed Put control momentarily into brine refill Replace or repair air check if needed Contact dealer 18 e Autotrol 255 Valve 400 Series Controls Service Manual SE12 TROUBLESHOOTING continued 255 440i Troubleshooting ger I stete su y O Air check valve closes prematurely Put control momentarily into brine slow rinse Replace or repair air check if needed Contact dealer System using more or less Foreign matter in controller causing Remove brine control and flush out foreign matter salt than regenerant setting incorrect flow rates Manually position control to brine slow rinse to clean controller after doing so position control to purge to remove brine from tank Air check valve closes prematurely Put control momentarily into brine slow rinse Replace or repair air check if needed Contact dealer Control backwashes or purges Incorrect drain controller used Replace with correct size controller Contact at excessively low or high rate dealer Foreign matter affecting controller Remove drain controller and clean ball
21. ng steps will require turning the indicator knob Figures 11 12 and 16 to various positions Insert a wide blade screwdriver into arrow slot in indicator knob and press in firmly With knob held in rotate COUNTERCLOCKWISE only until arrow or knob points to desired position Rotation is made much easier if you grasp the camshaft with your free hand and turn it at the same time Then permit knob to spring back out 2 Insert screwdriver into slot in indicator knob Figures 11 12 and 16 Press in and rotate knob COUNTERCLOCKWISE until arrow points directly to the word BACKWASH 3 Fill resin tank with water A With water supply off place the bypass valve s into the NOT IN BYPASS position B Open water supply valve very slowly to approximately the 1 4 open position Idi H opened too rapidly or too far resin may be lost In this position you should hear air escaping slowly from the drain line C When all of the air has been purged from the tank water begins to flow steadily from the drain open the water supply valve all the way D Allow water to run to drain until clear E Turn off water supply and let the unit stand for about five minutes This will allow all trapped air to escape from the tank 4 Add water to brine tank initial fill With a bucket or hose add approximately 4 gallons 15 liters of water to brine tank If the tank has a salt platform above the bottom of the tank add water until the level
22. rrect voltage source that is not controlled by a wall switch Autotrol 255 Valve 400 Series Controls Service Manual SE12 e 7 INSTALLATION continued Increasing the Length of the Transformer Cord If it is necessary to extend the length of the transformer cord an optional 15 foot 4 6 m extension is available see Figure 9 Figure 9 8 e Autotrol 255 Valve 400 Series Controls Service Manual GEI DISINFECTION OF WATER CONDITIONERS The materials of construction of the modern water conditioner will not support bacterial growth nor will these materials contaminate a water supply In addition during normal use a conditioner may become fouled with organic matter or in some cases with bacteria from the water supply This may result in an off taste or odor in the water Thus your conditioner may need to be disinfected after installation Some conditioners will reguire periodic disinfection during their normal life Consult your installing dealer for more information on disinfecting your conditioner Depending upon the conditions of use the style of conditioner the type of ion exchanger and the disinfectant available a choice can be made among the following methods Sodium or Calcium Hypochlorite Application These materials are satisfactory for use with polystyrene resins synthetic gel zeolite greensand and bentonites 5 25 Sodium Hypochlorite These solutions are commonly known as household bleach If s
23. s next to the word TIME Figure 13 set the time of day to the closest hour by pressing the black TIME SET button PM hours are indicated by a light next to the letters PM on the display window NOTE The use of a small needle nose pliers will aid in moving the jumper NOTE The unit is factory set to regenerate at 2 00 a m If you prefer to have the unit regenerate at an earlier or later time simply set the current time of day accordingly e g to have the unit regenerate at 4 00 a m two hours later set the clock two hours earlier than the actual time of day NOTE The Timer Locking Pin should always be horizontal Figure 12 during operation Hardness Setting Move the jumper to the set of pins next to the word HARDNESS Figure 14 Press the black TIME SET button until the hardness of the incoming water supply is displayed The hardness range is from 1 to 99 grains per gallon To change water hardness stated in parts per million PPM to grains per gallon GPG use this formula Parts per Million ER Grains per Gallon 400 SERIES CONTROL SETTINGS continued TIME p a HARDNESS a o HARDNESS o oi CAPACITY o o CAPACITY Eo a aj Ajo Dl B SPARE D o Figure 13 Figure 14 Figure 15 Capacity Setting Move the jumper to the set of pins next to the word CAPACITY Figure 15 Press the black TIME SET button until the correct capacity value is displayed The capacity range is 1 to 99 kilograins Refer to the Suggeste
24. s peyey je doiq inss iq DO o 9 uid6 MOL eoiues payey 133HS VLVG 3ONVNHOX4H3d H3N314OS YALVM I9POJN Autotrol 255 Valve 400 Series Controls Service Manual SE12 e 3 SAFETY INFORMATION Please review this entire Installation and Operation manual before installing unit We recommend that this water conditioning unit be installed by a trained professional water treatment dealer Follow all local codes for plumbing this unit Follow local electrical codes Install a correctly sized electrical bonding jumper between the inlet and outlet pipes when these devices are installed in metallic plumbing systems Inspect this unit carefully for carrier shortage or shipping damage before beginning installation of unit This system is not intended to be used for treating water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system This system is to be used only for potable water Use only lead free solder and flux as required by federal and state codes when installing soldered copper plumbing Use caution when sweat joining metal pipes near this water conditioning system Heat can adversely affect the plastic used in this system and bypass valve Use only silicone grease for lubrication of this unit Use only the power transformers supplied with this conditioning systems control valve unit Do not allow this water conditioning unit to freeze Dam
25. s to install a check valve in the soft water piping from the conditioner If a check valve is installed make certain the water heating unit is equipped with a properly rated temperature and pressure safety relief valve Also be certain that local codes are not violated Do not locate unit where it or it s connections including the drain and overflow lines will ever be subjected to room temperatures under 34 F 19C or over 1209F 49 C Do not install unit near acid or acid fumes The use of resin cleaners in an unvented enclosure is not recommended INSTALLATION continued Water Line Connection The installation of a bypass valve system is recommended to provide for occasions when the water conditioner must be bypassed for hard water or for servicing The most common bypass systems are the Autotrol Series 256 bypass valve Figure 4 and plumbed in globe valves Figure 5 Though both are similar in function the 256 Autotrol bypass offers simplicity and ease of operation Figure 4 Autotrol Series 256 Bypass Valve Not in Bypass Figure 5 Typical Globe Valve Bypass System Drain Line Connection 1 Ideally located the unit will be above and not more than 20 feet 6 1 m from the drain For such installations use an appropriate adapter fitting not supplied to connect 1 2 inch 1 3 cm plastic tubing to the drain line connection of the control va
26. t Tank d L FA P 1 A w SERVICE BACKWASH BRINE SLOW RINSE REPRESSURIZE FAST RINSE BRINE REFILL co C1 and C6 C2 and C3 CA C5 and C7 C8 Figure 3 INSTALLATION AU plumbing must conform to local codes Inspect unit carefully for carrier shortage or shipping damage Location Selection 1 The distance between the unit and a drain should be as short as possible If it is likely that supplementary water treating equipment will be required make certain adequate additional space is available Since salt must be added periodically to the brine tank the location should be easily accessible Do not install any unit closer to a water heater than a total run of 10 feet 3 m of piping between the outlet of the conditioner and the inlet to the heater Water heaters can sometimes overheat to the extent they will transmit heat back down the cold pipe into the unit control valve 6 e Autotrol 255 Valve 400 Series Controls Service Manual SE12 Hot water can severely damage the conditioner A 10 foot 3 m total pipe run including bends elbows etc is a reasonable distance to help prevent this possibility A positive way to prevent hot water from flowing from heat source to the conditioner in the event of a negative pressure situation i
27. to a functioning electrical outlet that is not controlled by a switch Plug the transformer into the transformer plug receptacle on the control Open the access door by pushing the raised tab on the door toward the left while pulling the tab out Figure 16 Time of Day Setting With the jumper on the set of pins next to the word TIME Figure 17 set the time of day to the closest hour by pressing the black TIME SET button PM hours are indicated by a light next to the letters PM on the display window NOTE The use of a small needle nose pliers will aid in moving the jumper NOTE The unit is factory set to regenerate at 2 00 a m If you prefer to have the unit regenerate at an earlier or later time simply set the current time of day accordingly e g to have the unit regenerate at 4 00 a m two hours later set the clock two hours earlier than the actual time of day NOTE The Timer Locking Pin should always be horizontal Figure 16 during operation Days Setting Move the jumper to the set of pins next to the word DAYS Figure 18 Press the black TIME SET button until the desired number of days between regeneration is displayed The range is from 1 to days i Figure 17 Figure 18 9 Figure Autotrol 255 Valve 400 Series Controls Service Manual SE12 e 11 400 SERIES CONTROL SETTINGS continued Clock Setting Move the jumper to the set of pins next to the word CLOCK Figure 19 Press the black TIME SET
28. tronger solutions are used such as those sold for commercial laundries adjust the dosage accordingly 1 Dosage A Polystyrene resin 1 2 fluid ounce per cubic foot B Non resinous exchangers 0 8 fluid ounce per cubic foot 2 Brine tank conditioners A Backwash the conditioner and add the required amount of hypochlorite solution to the brine well of the brine tank The brine tank should have water in it to permit the solution to be carried into the conditioner B Proceed with the normal regeneration Calcium Hypochlorite Calcium hypochlorite 70 available chlorine is available in several forms including tablets and granules These solid materials may be used directly without dissolving before use 1 Dosage A Two grains approximately 0 1 ounce per cubic foot 2 Brine tank conditioners A Backwash the conditioner and add the required amount of hypochlorite to the brine well of the brine tank The brine tank should have water in it to permit the chlorine solution to be carried into the conditioner B Proceed with the normal regeneration PLACING CONDITIONER INTO OPERATION Initial Start Up After the water conditioning system is installed the conditioner should be disinfected before it is used to treat potable water Refer to the Disinfection of Water Conditioners section in this manual Complete the following steps to place the conditioner into operation 1 Remove control valve cover NOTE The followi
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