Arena Service Manual
9.4.3.1 Amuchina and Sodium Hypochlorite
CAUTION
Do not allow sodium hypochlorite or Amuchina to remain in
the fluid path longer than the recommended time or damage to
the Instrument may result.
Touch the SODIUM HYPO and VERIFY buttons. The Instrument
prompts the operator to make the necessary concentrate line
connections. If the conductivity is above 0.1 mS/cm, the
Instrument will automatically prerinse the fluid path before
disinfectant infusion.
The “dialysate” flow rate during sodium hypochlorite infusion is
the rinse flow rate before the Chemical Mode started.
After the required chemical infusion, the Instrument prompts the
operator to make the necessary concentrate line connections, then
rinses the Instrument at a flow rate set by the technician.
When the timed forced rinse is completed, the Instrument prompts
the operator to test for residual disinfectant.
When the residual disinfectant level is within the acceptable range
and the YES button touched, the Instrument automatically returns
to the Rinse Mode.
If the cycle is fully completed without interruption, the date and
time of last disinfection will be displayed in the chemical screen
message window.
In the event of a power failure of approximately 20 minutes or less,
the Instrument returns to the state it was in before the power
failure. If a power failure longer than 20 minutes occurs, the
Instrument will go to the forced rinse state and prompt the operator
to make the necessary concentrate line connections.
9.4.3.2 Actril, Dialox, Doxan, and Formaldehyde
Touch the Disinfectant button (as selected per Section 17.3.2.5)
and VERIFY buttons. The Instrument prompts the operator to
make the necessary concentrate line connections. If the
conductivity is above 0.1 mS/cm, the Instrument will automatically
prerinse the fluid path before disinfectant infusion.
The “dialysate” flow rate during Actril infusion is automatically
set to 500 mL/min.
After the required chemical infusion, the Instrument prompts the
operator to make the necessary concentrate line connections and
the solution is recirculated for the appropriate time.
The Instrument then automatically powers off for a dwell time.
9-18 157-1278-916, Rev A
March 2004
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