CENTRA – MDS/LDS/RDS US Operator Manual
ELGA
Page 42
CENTRA – MDS/LDS/RDS US Version 01 – 08/14
Note: The display now shows that the unit is in
sanitization mode. This will shown on all remote
displays connected to the network.
10.4
Manual recirculation sanitization procedure
(MDS and LDS)
1.
PRESS the process button to commence
recirculation.
2.
ISOLATE the feed supply.
3.
ISOLATE any water treatment installed in the loop
that may be effected or react with Minncare (Ion-
exchange cylinders, UV etc.).
4.
DRAIN reservoir to between 60 to 90 liters by
opening a convenient point-of-use.
Note: It is recommended to install a point-of-use, which
is directed to drain as close to the unit as
possible in the loop return line.
5.
CLOSE the outlet once the level reaches between
60 to 90 liters.
6.
PRESS the process button to switch the process
OFF.
7.
UNSCREW the access cap on the top of the tank
(
MDS
and
MDS(HF)
only)
OR
UNSCREW the front door and REMOVE the large
black cap (
LDS
only).
8.
ADD Minncare into the tank (typical 900ml).
9.
REPLACE the cap and hand-tighten.
10. PRESS the process button and allow to recirculate
for a minimum of 45 minutes.
11. OPEN feed supply and allow tank to fill to >100
liters.
12. OPEN point-of-use and drain to 40 liters.
13. CLOSE point-of-use and fill to >100 liters.
14. REPEAT steps 10 to 12 until the residual level of
chemical remaining in the system is sufficiently low
(typically <0.1ppm H
2
O
2
).
15. PRESS process button to stop recirculation.
16. PRESENT sanitization PASSkey to exit sanitization.
17. PRESS
χ
to exit sanitization.
18. RECOMMISION distribution loop.
