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Table of Contents
Related Manuals for Pentair Autotrol 400 Series
Summary of Contents for Pentair Autotrol 400 Series
- Page 1 Autotrol 255 ValVe/400 SerieS ControlS ® SERVICE manual www.pentairaqua.com...
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Page 2: Table Of Contents
tABlE oF CoNtENtS • The drain line must be a minimum of 1/2" diameter. Use MANUAL OVERVIEW ............2 3/4" pipe if the backwash flow rate is greater than 5 GPM SAFETY INFORMATION ............2 (18.9 Lpm) or the pipe length is greater than 20 feet (6 SYSTEM SPECIFICATIONS ...........2 EQUIPMENT INSTALLATION ..........4 • Do not support the weight of the system on the control... - Page 3 SYStEM SPECIFICAtIoNS continued Autotrol • 3 255 Valve/400 Series Service Manual ®...
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Page 4: Equipment Installation
EQuIPMENt INStAllAtIoN 4. Fast rinse (Downflow): Autotrol 255 Valve Control Module Features The control directs water down through the resin bed and 400 Series Control up through the riser tube to the drain. Any remaining brine residual is rinsed from the resin bed. 5. - Page 5 EQuIPMENt INStAllAtIoN continued Water line Connection Correct Way The installation of a bypass valve system is recommended to Right Way Drain Line Tube provide for occasions when the water conditioner must be bypassed for hard water or for servicing. Drain The most common bypass systems are the Autotrol Series ®...
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Page 6: System Startup
EQuIPMENt INStAllAtIoN continued Increasing the length of the transformer Cord Air Check 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). brine Line Figure 9 - Control Valve Figure 8 5. - Page 7 ProGrAMMING continued Hardness Setting Programming Move the jumper to the set of pins next to the word hARDNESS (Figure 14). Press the black TIME SET button until the 1. Set days of regeneration on skipper wheel (Figure 11). hardness of the incoming water supply is displayed. The • Pull all skipper pins outward (away from control).
- Page 8 ProGrAMMING continued A spare jumper is located on the bottom set of pins. NotE: 460tC Control Common Features hour Time Display PM Indicator When using the 255 valve with the 440i or 460i controls, there Access Door are several features and procedures that are unique to the 400 series controls.
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Page 9: Service And Maintenance
ProGrAMMING continued Disinfection of Water Conditioners Guest Cycle (Manual regeneration) The materials of construction of the modern water conditioner When abnormally high water usage exhausts your will not support bacterial growth, nor will these materials water conditioner’s capacity ahead of schedule, an extra contaminate a water supply. -
Page 10: 255 Valve & Tank Adapter Module
255 VAlVE & tANK ADAPtEr MoDulE 10 • Autotrol 255 Valve/400 Series Service Manual ®... - Page 11 255 VAlVE & tANK ADAPtEr MoDulE continued Item No. Part No. Description Item No. Part No. Description 1 ....1 ..1000232 ..Valve Assembly, w/o Flow Kits Controls 18 ..... 1001404 ..O-Ring Group: Tank Adapter, 2 ....1 .......Camshaft: 1010117 (1), 1010407 (1), 1010410 (4) ..
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Page 12: 255 Series
255 SErIES R IN R IN F IL IT IO M ID N IG IS E IO N "S T T " Ð R T IM Do not use pipe joint compound when threading pipe NotE: into the Noryl piping boss. use only plumber pipe tape. - Page 13 255 SErIES continued Item No. Part No. Description Item No. Part No. Description 1 ....1 .......440i Assembly (obsolete) tube Adapter Kits 2 ....1 .......460i/460TC Assembly * ....1 ..1001606 ..3/4-inch Copper Tube Adapter kit 3 ....1 .......Transformer: * ....1 ..1001670 ..1-inch Copper Tube Adapter ..
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Page 14: Troubleshooting
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. - Page 15 trouBlESHootING continued 255/440i troubleshooting Problem Cause Correction Control will not draw brine. Low water pressure. Set pump to maintain 20 psi at softener. Restricted drain line. Change drain to remove restriction. Injector plugged. Clean injector and screen. Injector defective. Replace injector. (Contact dealer.) Air check valve closes prematurely.
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Page 16: Flow Diagrams
FloW DIAGrAMS Backwash Position 255 Valve Hard Water Service Position Soft Water Air Check Hard Water Soft Water Air Check Inlet Inlet Outlet Outlet Drain Control Drain Drain Control Valve No. Drain 1-Closed Valve No. 2-Closed 1-Closed 3-Open 2-Open 4-Open 3-Open 5-Closed 4-Closed... -
Page 17: Flow Data Charts
FloW DIAGrAMS continued repressurize Position Fast rinse Position Hard Water Hard Water Soft Water Soft Water Air Check Air Check Inlet Inlet Outlet Outlet Drain Control Drain Control Drain Drain Valve No. Valve No. 1-Closed 1-Closed 2-Closed 2-Open 3-Closed 3-Closed 4-Open 4-Open 5-Closed... - Page 18 FloW DAtA CHArtS continued Injector Performance Graphs Injector “J” (Light Blue) Injector “F” (Peach) For 10-inch Tanks For 7-inch Tanks / hr 0.80 0.18 0.35 0.08 0.16 0.07 0.30 0.14 0.60 0.06 0.25 0.12 0.05 0.20 0.10 0.40 0.04 0.08 0.15 0.03 0.06...
- Page 19 Autotrol • 19 255 Valve/400 Series Service Manual ®...
- Page 20 All Pentair trademarks and logos are owned by Pentair, Inc. or its affiliates. All other registered and unregistered trademarks and logos are the property of their respective owners. Because we are continuously improving our products and services. Pentair reserves the right to change specifications without prior notice.
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