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If you see an error code instead of the time of day, please call you local Sears Service Department for service. IF YOU NEED HELP ON THE USE OF THE TIMER FEATURES, CALL TOLL FREE, NUMBER 1-800- 426-9345. 10 SECTION 2 HOW YOUR WATER SOFTENER WORKS ] 2B. SOFT WATER SERVICE AND REGENERATION SERVICE When the softener is giving you soft water, it is called “Service”. During service, hard water comes from the house main water pipe into the softener. Inside the softener resin tank is a bed made up of thousands of tiny, plastic resin beads (FIG. 4). As hard water passes through the bed, each bead attracts and holds the hardness minerals. This is called ion-exchanging. It is much like a magnet attracting and holding metals. Water without the hardness minerals (soft water) flows out of the softener and into the house soft water pipes. After a period of time, the resin beads become coated with hardness minerals and they have to be cleaned. This cleaning is called regeneration or recharge. Regeneration is started at 2:00 a.m. by the electronic timer (see page 13). It takes place in 5 stages or cycles. These are: FILL BRINING BRINE RINSE BACKWASH FAST RINSE FIG. 4 WATER FLOW THROUGH THE SOFTENER IN SERVICE REGENERATION □FILL: Salt, dissolved in water, is called brine. Brine is needed to clean the hardness minerals from the resin beads. To make the brine, water flows into the salt storage area during the fill stage as shown in FIG. 5. Fill cycle length depends on how much soft water making capacity you have used since the last regeneration. As you use more water, fill time increases so more brine is made. The greater amount of brine cleans more hardness minerals from the resin bed. FIG. 5 WATER FLOW THROUGH THE SOFTENER IN FILL 11 SECTION 2 HOW YOUR WATER SOFTENER WORKS 2B. SOFT WATER SERVICE AND REGENERATION HT] BRINING: During brining, the brine is moved from the salt storage area, into the resin tank. Inside the resin tank, brine cleans hardness minerals from the resin beads and they are discharged out the drain. How much brine is needed to clean the resin depends on: — the amount of resin in the softener, — how fast the brine goes through the bed. The nozzle and venturi (FIG. 6) make suction to take brine from the salt tank and put it into the resin tank. They keep the brine flow down to a very slow rate to get the best resin cleaning with the least salt. [3 BRINE RINSE: After all of the brine goes into the resin tank, the brine valve closes. Water keeps flowing the same way it did during brining except the brine flow has stopped. Hardness minerals and brine flush from the resin tank to the drain. Brining and brine rinse together vary in length of time they take, relative to the fill cycle length. FIG. 7 WATER FLOW THROUGH THE SOFTENER IN BACKWASH FIG. 6 WATER FLOW THROUGH THE SOFTENER IN BRINING AND BRINE RINSE 0 BACKWASH: During backwash, water flows UP through the resin tank (FIG. 7) at a fast rate to flush iron minerals, dirt and sediments from the bed and to the drain. The bed lifts and expands for good cleaning. [5]FAST RINSE: Backwash is followed by a fast flow of water down through the resin tank. The fast flow packs the resin bed and gets it ready for return to service (FIG. 8). After fast rinse, the softener returns to service. Hard water goes into the resin tank where the resin bed again takes out the hardness minerals. Soft water goes to the house soft water pipes. FIG. 8 WATER FLOW THROUGH THE SOFTENER IN FAST RINSE 12 SECTION 2 HOW YOUR WATER SOFTENER WORKS 2B. SOFT WATER SERVICE AND REGENERATION AUTOMATIC BYPASS During the brining, brine rinse and backwash cycles of regeneration, HARD water goes through the softener valve and to the house pipes. If a faucet is opened, hard water is there for your needs. However, you should not use HOT water, if possible, because the water heater will refill with hard water. The softener regenerates from 2:00 AM to about 4:00 AM, (you can change this time... see page 7), a time when not much water is used. If you get up early in the morning and you can hear the softener regenerating, change the time setting. Set the recharge time to 12:00 AM or 1:00 AM (page 7). Then regeneration will start and end that much earlier and your water heater will not refill with hard water if a hot faucet is opened. ELECTRONICS Two main parts of the softener’s electronics are T a WATER METER, and № a COMPUTER. T WATER METER — The water meter is in the softener valve outlet. As water flows through the meter, it sends electric pulses to the computer. The computer changes the pulses to a measure in gallons of water. № COMPUTER — The computer is part of the circuit board. It is programmed to know the softener’s capacity (how many grains of hardness minerals it will take out of the water before a regeneration is needed). When starting the softener, page 7, you set it for the grains per gallon (gpg) hardness of the water. To find a regeneration pat...

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