Section 7: Dissolution Cycle - Fresenius Medical Care 460018 Operator's Manual

S 7: D C
ECTION ISSOLUTION

CAUTION! R
1. Before initiation of Dissolution Cycle, ensure the tank is empty, the two (2) propellers are attached to
the Mixer Shaft, and the 1 micron filter is installed in the Concentrate Filter Housing (Diagram 2, page
8) by ensuring that there is a filter present. Ensure that the water supplied to the machine is between
20 and 30°C (68 and 86°F) for proper dissolution and mixing. Ensure you have the appropriate personal
protective equipment donned. If the filter is not present in the filter housing, refer to Section 8.4.1,
Filter Removal and Replacement.
2. Ensure the power switch is ON and water supply valve is in the OPEN position, then place the Dry Acid
Dissolution Unit in Dissolution Cycle FILL Operation by pressing the Dissolution side START button
(Figure 5).
3. Gather eight dry acid cases and process documentation accordingly.
4. Mixing of each hemodialysis concentrate batch should be completed in accordance with the applicable
Dry Acid Batch Production Record Form (GranuFlo® Form 1, page 32, or Citrasate DRY Form 2, page 34).
5. Batch identification should be attached to the Dry Acid Dissolution Unit.
6. Verify the tank is actually filling. The Dry Acid Dissolution Unit will be in the FILL Operation until the
water reaches to the Mid-Level Sensor.
Pressing the Dissolution START button
7. When the Mid Water Level is reached (Figure 6), the water Fill Valve will
CLOSE and the Add Granules Light will begin to flash.
This flashing light indicates that the Dry Acid Dissolution Unit is in a hold
state waiting for the operator to add the dry acid granules in accordance
with the Dry Acid Batch Production Record Form (GranuFlo® Form 1, page
31, or Citrasate DRY Form 2, page 32).
WARNING! IF WATER LEVEL EXCEEDS MID WATER LEVEL DO NOT ADD GRANULES. CALL
FRESENIUS USA, INC, TECHNICAL SUPPORT AT 1-800-227-2572.
8. Before adding dry acid granules make sure to check the following:
Ensure water is not leaking from underneath or any external connections to and from Dry Acid
♦
Dissolution Unit. In addition, ensure there is no leak at the end of the drain hose.
Remove the large access lid and ensure water has stopped at the Mid-Level Sensor (See Figure 6),
♦
then place large access lid on top of the access hole loosely.
Ensure you have the appropriate personal protective equipment donned.
♦
Depending on the input water pressure you may have to wait several minutes to verify the water does not
rise above the Mid-Level Sensor. Fill in the Dry Acid Batch Production Record Form, (GranuFlo® Form 1, page
32, or Citrasate DRY Form 2, page 34).
14
YCLE
C
INSE YCLE MUST BE COMPLETED PRIOR TO INITIATING BATCH OF CONCENTRATE
Figure 5
The Dry Acid
Dissolution
Unit will fill to
the Mid-Level
Sensor
Figure 6
.
P/N 460018 Rev. D