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The MediQA can be set to “POWER ON STANDBY” for occasions when there are long periods
(typically days during shut down periods) without use. In standby mode the MediQA is factory set to
perform 10 minutes of operation in every 2 hours, these values are adjustable. This enables water to
be circulated through the MediQA and distribution loop, in order to maintain water quality.
The MediQA has two modes of operation, TIMER and CONTINUOUS. If TIMER is selected an internal
time clock activates operation and heat disinfects, determined by the timer clock settings. When not
scheduled to operate, the device will turn on every 2 hours for 10 minutes of operation to maintain
the quality of the water in the distribution loop. If CONTINUOUS is selected the MediQA will supply
water to the attached distribution loop / medical devices on a 24/7 basis.
MediQA units have the capability to run in HI RECOVERY MODE, which uses up to 40% less water
than STANDARD RECOVERY MODE. HI RECOVERY MODE is the default setting. See Section 6.4.1 for
navigation instructions.
The MediQA also features routines to enable chemical cleaning of its RO membranes (but not the
connected distribution loop).
In addition to the above, the MediQA incorporates process elements to enable heat disinfection of
the reverse osmosis membranes and its pipe work. Heat disinfection can be activated manually
using the RO Heat Disinfection button on the touch screen display or automatically if timer clock
settings are implemented.
Regular cleaning and sanitization of the unit is recommended to maximize the life of the RO
membranes and ensure high performance.
Once CHEMICAL CLEAN has been selected the process is semi-automatic and requires only the
provision of specified cleaning. The touch screen display will give prompts at appropriate stages of
the routine.
Frequency of heat disinfection will depend upon usage and application demands. Monitoring of the
system for bacterial content should be conducted at regular intervals to determine the optimum
frequency for heat disinfection. Recommended weekly disinfections and monthly monitoring of
bacteria and endotoxins.
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