Hayward S311SX Models: S311SX S311SXV S360SX - Page 6
Problem Solving List, Pool Chemistry Guidelines - parts
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Page 6 of 8 MODEL S311SX,S311SXV,S360SX IS311SX Rev B Pipe Size [mm] 1" [32] MAXIMUM RECOMMENDED SYSTEM FLOW RATE BY PIPE SIZE Flow rate Pipe Size Flow rate Pipe Size Flow rate GPM [Liter/Min] [mm] GPM [Liter/Min] [mm] GPM [Liter/Min] 20 1 ½" 45 2 ½" 110 [75] [50] [170] [75] [415] 1 ¼" 30 [40] [110] 2" 80 [63] [300] TABLE 2 3" 160 [90] [600] PRODUCT REGISTRATION (Retain For Your Records) DATE OF INSTALLATION PURCHASED FROM MODEL SERIAL NUMBER ▲Retain this Warranty Certificate in a safe and convenient location for your records. PROBLEM SOLVING LIST REMEDY LOW WATER FLOW 1. Check skimmer and pump strainer baskets for debris. 2. Check for restrictions in intake and discharge lines. 3. Check for air leak in intake line (indicated by bubbles returning to pool). 4. Backwash filter. SHORT FILTER CYCLES 1. Check for algae in pool and superchlorinate as required. 2. Be sure chlorine and pH levels are in proper range (adjust as required). POOL WATER WON'T CLEAR UP 1. Check chlorine, pH and total alkalinity levels and adjust as required. 2. Be sure flow rate through filter is sufficient. 3. Check surface of filter sand 3. Operate filter for longer periods. for crusting or caking (remove 1 " of sand if necessary). 4. Be sure Vari-Flo valve is set on "Filter" position. POOL CHEMISTRY GUIDELINES SUGGESTED POOL CHEMISTRY LEVELS pH 7.2 to 7.6 ACTION REQUIRED TO CORRECT POOL CHEMISTRY TO RAISE Add Soda Ash TO LOWER Add Muriatic Acid or Sodium Bisulphate TOTAL ALKALINITY 100 to 130 ppm Add Sodium Bicarbonate Add Muriatic Acid CHLORINE (UNSTABILIZED) 0.3 to 1.0 ppm Add Chlorine Chemical No action - chlorine will naturally dissipate CHLORINE (STABILIZED) 1.0 to 3.0 ppm Add Chlorine Chemical No action - chlorine will naturally dissipate CHLORINE STABILIZER (Cyanuric Acid) 40 to 70 ppm Add Stabilizer Dilution - partially drain & refill pool with water that has not been treated with Cyanuric Acid. WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS