BWT ECOSOFT ROBUST 1000 Installation Und Betriebsanleitung Seite 27

INSTALLATION AND OPERATION GUIDELINES FOR REVERSE OSMOSIS SYSTEMS ECOSOFT ROBUST1500 ECO,
ROBUST MINI ROBUST 1000, ROBUST 1500 / 1500 ЕС, ROBUST PRO / PRO EC, ROBUST 3000 / 3000 EC
Recovery has decreased
significantly
Water is not discharged to
drain when the system is on
Purified water is hazy or
cloudy but becomes clear
after a few minutes
Purified water has a taste or
odor
Pressure tank is not full when
the system switches off
Mineralization after RObust
Pro decreased
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Clogged pre-filter
Clogged membranes
Clogged flow restrictor
Air bubbles trapped in the
system
Expired post-filter
Membrane preservative was
not flushed fully after the
installation
Contamination of the system
Contamination of pressure
tank
Tank bladder is overinflated
Tank valve is closed
Flow restictor after Pro filter
is clogged
Resource of Pro filter is off
Replace pre-filter
Replace membranes
Clean flow restrictor or re-
place if necessary
Some air may remain in the
system for a few days after
installation and will go away
on its own.
Air bubbles may appear in
water if there is a large differ-
ence between feed water and
ambient temperature
Replace post-filter
Flush the RO system and
discard all rinse water
Sanitize the system according
to instructions in p. 7
Sanitize pressure tank.
Pressure tank may become
contaminated if filters or
membranes are used beyond
their service life
Pressure in empty tank
bladder must be 0.6–1.0 atm.
Release some pressure if
necessary.
Operation is performed by
water filter service specialist
Check tank valve position
Clean up flow restictor after
Pro filter
Replace Pro filter
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