Related Manuals for SENTRY II 940ST Series
Summary of Contents for SENTRY II 940ST Series
- Page 1 Series 940ST Single Timeclock Water Softening System Operation and Maintenance Manual...
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Page 3: Table Of Contents
Table of Contents System Specifications and Warnings ................4 Installation Instructions ....................5 Start-Up Instructions ....................... 11 Series 940 Control Valve Programming ................ 13 Parts Breakdown Front Cover and Drive Assembly ................20 Main Body Internal Parts ..................21 Injector Housing Assembly ..................22 Brine Elbow Refill Flow Assembly and Refill Port Plug ........ -
Page 4: System Specifications And Warnings
System Specifications and Warnings System Specifications Water pressure: 40 psi minimum 100 psi Maximum Water Temperature: 40°F to 110°F Electrical Requirements: Supply Voltage: 120V Supply Frequency: 60Hz Output Voltage: 12V AC Output Current: Maximum 3.0 Amps Control Valve to Tank Connection: 2.5”-8UN Control Valve Distributor Pipe Connection: 1.05”... -
Page 5: Installation Instructions
Installation Instructions Installation Instructions... - Page 7 Installation Instructions Pre-Installation Checklist 1. A standard electrical outlet (120V/160Hz) must be located within 12’ of installation site. 2. A functioning floor drain, washer sand pipe or suitable location for waste water discharge must be located within 20’ of installation site. a.
- Page 8 Installation Instructions 5. Plumbing Preparations: Unscrew the two plastic nuts (#1) and pull on the two brass connectors (#4) to remove them from the bypass assembly. Next remove the white plastic rings (#2) and the O-rings. (#3) See Figure 1 •...
- Page 9 Installation Instructions 7. Locate Polytube Insert and Drain Nut: Now that the water softener is connected to the existing plumbing, the drain line may be connected. First, locate the polytube insert (#2) and the Drain Nut (#3). 8. Connecting the Drain Line: Slide plastic nut (#3) over the permanent drain tubing and place the polytube insert (#2) into the end of the drain tubing.
- Page 10 Installation Instructions 11. Connecting the overflow line: The brine overflow fitting is located on the outside of the salt container approximately 12” down from the top. Connect 1/2” drain tubing to the overflow fitting and run it to the nearest floor drain. This line is a gravity flow line and cannot be run overhead or cannot connect to a drain that is higher than the overflow fitting.
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Page 11: Start-Up Instructions
Start-Up Instructions To begin, place the bypass in the position shown in Figure 1. Figure 1 Place the softener in the Backwash cycle. • To place the softener in the Backwash cycle press and hold the UP ARROW and the DOWN ARROW buttons at the same time (approx. -
Page 13: Series 940 Control Valve Programming
Control Valve Programming Series 940 Control Valve Programming... - Page 15 Control Valve Programming Setting the Time of Day Your unit will come with the correct time setting when a water technician installs it. After that, time of day should only need to be set if there is a power outage or when daylight saving time begins or ends.
- Page 16 Control Valve Programming Setting the Regeneration Time Step 1: Press and hold the SET button and the UP arrow button at the same time (See Fig. 1) for approximately 6 seconds to access the regeneration time setting. The hour will begin flashing. (Figure 2) (Figure 1) Step 2: The hour will be flashing.
- Page 17 Control Valve Programming Setting the Regeneration Frequency The “Days To Regen” display will now be flashing. This setting is used to initiate the regeneration cycle after a preset number of days have passed. Step 1: Adjust the regeneration frequency by pressing the UP or DOWN arrows. Step 2: To complete, press the SET button.
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Page 19: Parts Breakdown
Parts Breakdown Parts Breakdown... -
Page 20: Front Cover And Drive Assembly
Parts Breakdown Front Cover and Drive Assembly Drawing Part No. Description Quantity V3175TC-01 Front Cover Assembly V3107-01 Drive Motor V3106-01 Drive Bracket and Spring Clip V3818TC Circuit Board 4 Digit V3110 Drive Reducing Gear V3109 Drive Gear Cover Not Shown V3186 Transformer 110VAC-12VAC... -
Page 21: Main Body Internal Parts
Parts Breakdown Main Body Internal Parts... -
Page 22: Injector Housing Assembly
Parts Breakdown Injector Housing Assembly Drawing Part No. Description Quantity V3176 Injector Cap V3152 O-Ring Injector Cap V3177-01 Injector Screen V3010-1A Injector Assembly – A Black V3010-1B Injector Assembly – B Brown V3010-1C Injector Assembly – C Violet V3010-1D Injector Assembly – D Red V3010-1E Injector Assembly –... -
Page 23: Brine Elbow Refill Flow Assembly And Refill Port Plug
Parts Breakdown Brine Elbow Refill Flow Assembly and Refill Port Plug Drawing Part No. Description Quantity V3195-01 Refill Port Plug Assembly normally used H4615 Brine Elbow Locking Clip H4628 Elbow 3/8” Liquifit V3163 Brine Elbow O-Ring V3165-01 Flow Control Retainer Assembly .50 gpm V3182 Brine Refill Flow Control Button .50 gpm V4144-01... -
Page 24: Drain Line Assembly
Parts Breakdown Drain Line Assembly Drawing Part No. Description Quantity H4615 Drain Elbow Locking Clip PKP10TS8- Polytube Insert 5/8” BULK V3192 Drain Elbow Nut V3158-01 Drain Elbow !” Male NPT V3163 Drain Elbow O-Ring V3159-01 Drain Flow Control Retainer Assembly Drain Line Flow Control Button* V3162-XX *The size of your system will determine which... -
Page 25: 1" Drain Assembly
Parts Breakdown 1” Drain Assembly... -
Page 26: Bypass Breakdown
Parts Breakdown Bypass Assembly Breakdown... -
Page 27: Bypass Valve Operation
Parts Breakdown Bypass Valve Operation... -
Page 28: Installation Fitting Assemblies
Parts Breakdown Installation Fitting Assemblies... - Page 29 Parts Breakdown Installation Fitting Assemblies...
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Page 30: Brine Tank Assembly
Parts Breakdown Brine Tank Assembly... -
Page 31: System Specifications
System Specifications Mineral Tank Specifications Grain Mineral Gravel Resin Distributor Capacity Tank Lbs. Cu/Ft Assembly 32,000 8x44 No Gravel D931-44 48,000 10x47 No Gravel D931-54 60,000 12x52 No Gravel D931-54 70,000 12x52 No Gravel 2.33 D931-54 80,000 13x54 No Gravel 2.66 D931-54 90,000... - Page 32 System Specifications Control Valve Specifications Drain Line Brine Line Brine Refill Grain Injector Flow Control Flow Control Time Capacity Size Min. 32,000 D (RED) 6 MIN 11 SEC 48,000 E (WHITE) 7 MIN 52 SEC 60,000 E (WHITE) 13 MIN 20 SEC 70,000 E (WHITE) 15 MIN 20 SEC...
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Page 33: Service Instructions
Service Instructions Service Instructions... - Page 34 Service Instructions Service Instructions Drive Assembly - Disassembly and Inspection: Remove the valve cover to access the drive assembly. The drive bracket must be removed to access the drive cap assembly and pistons or the drive gear cover. It is not necessary to remove the circuit board from the drive bracket to remove the drive bracket.
- Page 35 Service Instructions Drive Assembly - Reassembly: If the drive gear cover was removed, reinstall it with the large clip orientated towards the bottom. If all three clips are outside of the gear shroud on the drive bracket the drive gear cover slips easily into place.
- Page 36 Service Instructions The drive cap assembly contains the drive cap, the main drive gear, drive cap spline, piston rod and various other parts that should not be dissembled in the field. Visually inspect the drive cap for damage and free operation of the gear and threaded rod. The only replaceable part on the drive cap assembly is the O-ring.
- Page 37 Service Instructions Injector Cap, Screen, and Injector - Disassembly and Inspection Unscrew the injector cap and lift off. Loosen the cap with the WS1 tool or pliers if necessary. Attached to the injector cap is a screen. Remove the screen and clean if fouled. The injector can be pried out with a small screwdriver.
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Page 39: Troubleshooting For The Control Valve
Troubleshooting the Control Valve Troubleshooting Control Valve... - Page 40 Control Valve Trouble Shooting Problem Possible Cause Solution No power at electrical outlet Repair outlet or use working outlet Control Valve Power Cord not plugged Make sure Control Valve Power Cord is No display on Control Valve onto Control Valve Circuit Board connected securely at both ends Circuit Board Defective Power Adapter...
- Page 41 Control Valve Trouble Shooting Problem Possible Cause Solution Check incoming water pressure. Water Low water pressure pressure must remain at minimum of 40 Replace Injector with correct size for the Residual salt in service lines Incorrect injector size application. Refer to System Specification for the correct size Check drain line for restrictions or debris Restricted drain line...
- Page 42 Control Valve Trouble Shooting Problem Possible Cause Solution Open up Control Valve and pull out piston assembly and Seal and Spacer Stack Assembly for inspection. Press NEXT and Foreign material is lodged in control valve REGEN buttons at the same time for 3 seconds to resynchronize software with piston.
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Page 43: Manufacturers Warranty
Manufacturers Warranty Manufacturer’s Limited Warranty Manufacturer warrants to the original owner that its Water Conditioning Equipment will be free from defects in material and workmanship under normal use and service for a period of five (5) years from the date of installation, when installed and operated within recommended parameters. No warranty is made with respect to defects not reported to Manufacturer within the warranty period and/or defects or damages due to neglect, misuse, alterations, accident, misapplication, physical damage, or damage caused by fire, floods, acts of God, freezing or hot water or similar causes. - Page 44 OM-A940ST Printed in the USA Version 161027.1...
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