9. Disinfection
3. Verify the “A” Concentrate Pump and Dialysate flows.
Calibrate the “A” Concentrate Pump, “B” Concentrate Pump
and Dialysate flows as required.
4. Verify the connection of the disinfect infusion line to the
disinfectant.
5. Verify that the flow path between the disinfectant container
and the “A” Concentrate Pump does not have leaks.
6. Observe the disinfectant infusion cycle.
a. If the infusion fails, immediately restart the infusion.
b. If the infusion passes on the second attempt, then the Single
Pass Chemical Alarm Trigger Time may have to be
adjusted (applicable only for Single Pass disinfectants),
but
this can be done only by changing a calibration constant
(see Section 5.4.7). Call Baxter Instrument Services if any
Calibration Constant must be changed.
c. If the threshold still cannot be reached, you may have to
adjust the conductivity threshold, but this can be done only
by changing another calibration constant (see Section
5.4.7). Call Baxter Instrument Services if any Calibration
Constant must be changed.
It is the clinic’s responsibility to verify and monitor the
successful disinfection of the Instrument.
9.6 FLOWPATH CLEANING
9.6.1 Rinse Fluid Path with Vinegar
If the type of chemical infused through the disinfect line is
changed, rinse the disinfect line with water for approximately 2
minutes before connecting the line to the chemical container.
9.6.1.1 Overview
The goal of this procedure is to remove bicarbonate precipitate
(insoluble calcium carbonate deposits) from the Instrument fluid
path. Bicarbonate precipitate is a white to cream-colored deposit
formed downstream of the bicarbonate mix point. Other
precipitates and/or discolorations will not be removed by following
this procedure.
Although the Instrument does not inherently cause bicarbonate
precipitate, environmental conditions may cause precipitate
buildup.
157-1278-916, Rev A 9-27
March 2004
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