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Connect the hydraulic block for softeners BWT PERLA PRO XXL.
❶ = Inlet water to be treated tapped 2''1/2 gas
❷ = Outlet water to be treated tapped 2''1/2 gas
❸ = Discharge of regeneration water tubing tapped 1''1/4
❹ = Connection with brine regulator tubing 11/14
❺ = Discharge for electrodistributor tubing 6/8
The connections to the softener be removable accessible to facilitate
any maintenance operations. The pipes be properly supported so
that no effort or constraint affects the appliance.
WATER INLET AND TREATED WATER OUTLET
The inlet pipe for the water to be treated must be sufficiently sized to be able to carry the required produc-
tion flow rate and the regeneration flow rates (see table «TECHNICAL CHARACTERISTICS»). We recommend
fitting a manometer upstream of the softener to monitor this pressure.
We also advise fitting a filter upstream of the softener (max. 20μm filtration rating) to protect the unit from
foreign bodies that could affect its operation.
In accordance with the requirements of the current sanitary regulations, a class A controllable non-return
valve must be fitted upstream of the water treatment unit. The installer should check all specific sanitary
regulations that could be in force at the installation location and comply with them.
Sampling points shall also be provided upstream and downstream of the softener.
The BWT PERLA PRO XXL softener must be protected from any water returns through suitable non-return
devices, fitted downstream of the appliance on the treated water pipe.
The installation upstream and downstream of the softener must not cause «water hammer» (if necessary
provide effective water hammer preventers).
Diagram alternating volume duplex softeners
CONNECTIONS
Technical manual BWT PERLA PRO XXL - code P0011058 - Rev 10 - 23/11/2021
❶
❷
❸
❹
❺
electrodistributor
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