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routine operations
Filter System Maintenance
3-3 Filter System
Maintenance
3-3-1 Filling the wash
bottle with water
3-3-2 Emptying water from
the wash bottle
64
User Guide STP420D/STP420ES
Filling the wash bottle is described in Section 2-4-4 Filling the wash
bottle, in "Chapter 2 Setting Up the STP420".
You can see the height of the water inside the wash bottle in the oval
window on the right side of the instrument. If you have access to the
rear of the instrument, shining a flash light through the rear panel can
help you determine the water level more easily.
To empty water from the wash bottle:
1. Open the rear cover and remove the wash bottle screw cap (see Fig.
26, A).
2. Open the glass door of the reagent cabinet.
3. Place an empty container, with a liquid capacity of approximately 2
liters, in front of the instrument.
4. Insert the drain hose into the container. You can identify the drain
hose by its color. It is the same color as the H2O connector on the
device (see Figure 26 B)
5. Attach the other end of the drain hose to the H
it firmly until it locks (see Fig. 26, B):
a
Figure 26. Empty the wash bottle.
O connection. Press
2
B
Thermo Fisher Scientific
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