WRO 300 H
28
Regular maintenance
HCEN12481-02/2012
3.2 Chemical disinfection
For certain peracetic acid disinfectants the manufacturer recom-
mends that the WRO 300 H should be cleaned with an acid
cleaning agent per the cleaning instructions prior to Chemical
disinfection to preserve the RO membrane. Refer to
“Cleaning”
on page 35
.
3.2.1
Chemical disinfectants recommended by
Gambro
•
Dialox
®
disinfectant, undiluted.
Required amount: 115 ml per disinfection cycle (will be
diluted to 3 % solution of Dialox
®
disinfectant by the
WRO 300 H).
•
Minncare
®
Cold Sterilant
Required amount: 50 ml of concentrated disinfectant.
Example of test kit
SteriChek
®
Residual Peroxide, Gambro order no. 103428.
WARNING
Disinfectants may be toxic. Use safety glasses and gloves. Refer to
manufacturer’s instructions.
WARNING
A test for residual disinfectant after rinse must be performed before
the initiation of the next dialysis session. The residual concentration
of the disinfectant in the fluid must be below levels specified by the
clinic or by national standards. It is essential to use an appropriate
test method, either with proven sensitivity for the disinfectant or re-
commended by the manufacturer of the disinfectant.
NOTE
Other peracetic acid disinfectants may also be used for the WRO 300
H, provided that they are approved by the manufacturer for disinfec-
tion of thin film composite reverse osmosis membranes made of
modified polyamide. Follow the
manufacturer’s instructions
for use
for the specific disinfectant.