Maintenance and care
multi N/C pharma HT
84
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For manual sample supply: Insert purge hose 7 in a sample vessel filled with ultra-
pure water.
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Click the [Start F2] button.
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Unscrew the adjustment screw on the NPOC needle valve.
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Set the desired NPOC purge flow:
– Increase the NPOC purge flow: Turn the needle valve to the left.
– Decrease the NPOC purge flow: Turn the needle valve to the right.
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Check the flow indication in the System state window when doing this. The current
NPOC purge flow is displayed under Purge.
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Screw the adjustment screw on the needle valve back in.
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Close the side wall.
– Connect the protective grounding to the left side wall.
– Slightly tighten the screws first on the bottom side and then on the top side.
Tighten the screws in turns.
Figure 58Setting the NPOC purge flow