Technical manual BWT PERLA PRO XS - code P0011650B - Rev 7 - 26/10/2021
The replacement frequency is determined in accordance with the equipment installation and operating condi-
tions. A visual examination of the appliance must be done at least once a year to determine the condition of
the connections, connectors, display, etc...
NOTA : The information given in the table below is a function of the quality of the water to be treated and
its evolution over time, the typology of the location of the appliance, processes upstream or downstream,
it can it is necessary to provide more maintenance at different times.
Our BWT regional offices are at your disposal to offer you, if you wish, a technical support contract tailored
to your device (1).
References of spare parts or
consumables
Depending on the consumption
of softened water
The periodicity can be com-
pared according to the critica-
lity of downstream devices
Chloride analysis
upstream (after regene-
ration)
Analysis kit (2 à 60 ppm) or
strips (30 à 600 ppm)
Chloride analysis
downstream (after rege-
neration)
Internal checks of the
valve and cleaning
The frequency can be shorte-
ned according to the quality of
the water to be treated.
Depending on the softener
The frequency can be shorte-
ned according to the quality
of salt used and the water
consumption.
Replacing the brine
intake tubing
Replacing the check
valve system and the
membrane
The frequency can be shorte-
ned according to the pressure,
quality of the water and the
number of regenerations.
Replacing of the sole-
noid valves
Replacing the Inlet and
Outlet hoses