Sodium Or Calcium Hypochlorite; Electrochlorination - Pentair AUTOTROL 604 Installer Manual

Installer Manual Autotrol 368 / 604-606 - Commissioning

7.2.2. Sodium or calcium hypochlorite

These materials are satisfactory for use with polystyrene resins, synthetic gel zeolite, greensand and
bentonites.
5.25% Sodium hypochlorite
If stronger solutions are used, such as those sold for commercial laundries, adjust the dosage
accordingly.
Dosage
Polystyrene resin: set 35.5 mL fluid per 28.3 L of resin.
Non-resinous exchangers: set 23.7 mL fluid per 28.3 L.
Brine tank softeners
Backwash the conditioner and add the required amount of hypochlorite solution to the well of the
brine tank. The brine tank should have water in it to permit the solution to be carried into the
conditioner.
Proceed with the normal regeneration.
Calcium hypochlorite
Calcium hypochlorite, 70% available chlorine, is available in several forms including tablets and
granules. These solid materials may be used directly without dissolving before use.
Dosage
Measure 1 ml for each 10 liters of resin, or 130 mg for each 10 liters of resin.
Brine tank softeners
Backwash the conditioner and add the required amount of hypochlorite to the well of the brine tank.
The brine tank should have water in it to permit the chlorine solution from being carried into the
conditioner.
Proceed with the normal regeneration.

7.2.3. Electrochlorination

Valves or systems already equipped with an electrochlorinator device or system are supposed to be
sanitized during the brine draw phase.
34 / 54 Ref. MKT-IM-007 / A - 16.12.2016