TABLE OF CONTENTS The systems below have been tested SAFETY INFORMATION ............2 and certified by the WQA to NSF/ANSI VALVE ILLUSTRATION ............5 Std. 44 and NSF/ANSI 237 for "lead free" SYSTEM REGENERATION CYCLES .......... 6 compliance. INSTALLATION ................. 6 DISINFECTION OF WATER CONDITIONERS ......
Page 3
Autotrol ® 255 Valve / 400 Series Controls Service Manual SE12 • 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.
VALVE ILLUSTRATION Autotrol 255 Valve Control Module 400 Series Control Optional i-lid Cover Variable Brine Air Check Control Injector Access Plug Figure 1 Tank Adapter Module Optional Bypass Brine Line Fitting Connection 1/4-inch NPT Air Check Inlet Connection 3/4-inch or 1-inch NPT or BSPT Drain Connection 3/8-inch or 1/2-inch NPT or BSPT Outlet Connection 3/4-inch...
SYSTEM REGENERATION CYCLES 4. Fast Rinse (Downflow): 1. Service (Downflow): The control directs water down through the resin bed and Untreated water is directed down through the resin bed up through the riser tube to the drain. Any remaining brine and up through the riser tube.
Page 7
INSTALLATION continued Water Line Connection Correct Way The installation of a bypass valve system is recommended to Drain Line Tube 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 Drain 256 bypass valve (Figure 4) and plumbed-in globe valves (Figure 5).
INSTALLATION continued DISINFECTION OF WATER CONDITIONERS Increasing the Length of the Transformer Cord The materials of construction of the modern water conditioner will not support bacterial growth, nor will these materials If it is necessary to extend the length of the transformer cord, contaminate a water supply.
PLACING CONDITIONER INTO OPERATION 5. Put into operation. Initial Start-Up A. Open water supply valve slowly to full open position. After the water conditioning system is installed, the conditioner B. Carefully advance indicator knob COUNTERCLOCKWISE should be disinfected before it is used to treat potable water. to center of FAST RINSE/REFILL position and hold Refer to the Disinfection of Water Conditioners section in this there until air check (Figure 10) fills with water and...
400 SERIES CONTROL SETTINGS 460i Control 440i Control (obsolete) Water Flow Hour Time Display Indicator Day Arrow Skipper Pins Skipper Wheel Access Door PM Indicator Raised Jumper Time Set Button Indicator Knob Spare Timer Locking Transformer Plug Indicator Knob Timer Time Arrow Timer Knob Jumper...
Page 11
460TC Control 400 SERIES CONTROL SETTINGS continued Hour Time Display PM Indicator Access Door 460TC Figure 13 Figure 14 Figure 15 DAYS CLOCK Raised 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.
Page 12
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 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.
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.
REPLACEMENT PARTS 440i 460i/460TC Meter Adapter IN E R IN R IN F IL IT IO M ID N IG IS E IO N "S T T " Ð R T IM Piping Boss 256 Bypass Valve Note: Do not use pipe joint compound when threading pipe into the Noryl piping boss.
Page 17
REPLACEMENT PARTS continued Piping Boss Item No. Part No. Description 1....1 ........Piping Boss Kit (includes Hardware): ......3023763 .....3/4-inch NPT, S.S. 3/8-inch NPT Drain ......3023749 .....1-inch NPT, S.S. 1/2-inch NPT Drain ......3023761 .....3/4-inch BSPT, S.S. 3/8-inch BSPT Drain ......
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.
Page 19
TROUBLESHOOTING continued 255/440i Troubleshooting Problem Possible Cause Solution 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.
Need help?
Do you have a question about the 3000 Series and is the answer not in the manual?
Questions and answers