Better Water LLC; rev. Jul 2019
Page 39 of 80
PB2
– Mediport Portable RO Operator Manual
GENERAL CLEANING AND DISINFECTING INFORMATION
To perform at peak efficiency the PB2 must periodically be cleaned and disinfected.
The
Cleaning Process
is designed to remove mineral deposits that may build-up on internal
surfaces.
The
Disinfecting Process
is designed to significantly reduce bacteria and endotoxins that may
build-up in the water and on the internal surfaces in the form of bio-film. The importance of
regular and frequent disinfection cannot be minimized due to the risk associated with bacteria
proliferation.
CLEANING and DISINFECTING FREQUENCY
As the manufacturer, Better Water LLC recommends the following:
-
If membrane fouling is indicated
: Low pH Clean with BWI-1000 and Disinfection with
Minncare
-
If after 4 days
(96 hours)
of non-use
: Low pH Clean with BWI-1000 and Disinfection
with Minncare
-
Monthly
, if used frequently where periods of non-
use don’t exceed 4 days
(96 hours):
Low pH Clean with BWI-1000 and Disinfection with Minncare
-
Quarterly
: Low pH Clean with BWI-1000, High pH Clean with BWI-2000, and
Disinfection with Minncare
(in that order).
-
If the PB2 has been in storage
and should have been loaded with preservative, then
after performing the initial setup the following should be done: Low pH Clean with BWI-
1000, High pH Clean with BWI-2000, and Disinfection with Minncare
(in that order).
- If an
End-to-End Disinfect
(source-inlet through product-outlet)
is required then the
following should be done: Disinfection with Minncare, and High pH Clean with BWI-2000
(in that order)
.
For further details on this see the
“End-to-End Disinfect Procedure”
section.
PB2s may require more frequent cleaning and disinfecting, which is ultimately the Medical
Director’s responsibility to determine and is typically based on water testing.
Membrane fouling should be the primary trigger for performing this procedure indicated by the
following signs:
1. The Product Flow
decreases
and the Reject Flow
increases
, and the two cannot be
adjusted to design specifications.
2. The Water Quality Monitor indicates a
continuous decline
in water quality.
RESIDUAL CHEMICAL TESTING
Users should refer to the chemical agent manufacturer to determine the appropriate method for
testing for residual chemical substances in the water after cleaning and disinfecting. The water
must be clear of detectable levels of cleaning and disinfecting agents prior to use with patients
WARNING
Chemical cleaners and disinfectants can cause serious injury or death. Do not disinfect
or clean the PB2 while patients are dialyzing.
Proper protective equipment must be used.
The preparation and handling of these chemical solutions must be done in accordance
with the specifications established for the particular chemical, and their Material Safety
Data Sheet (MSDS).
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