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Watson-Marlow qdos30 - Page 83

Watson-Marlow qdos30
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This operating method allows for fluid recovery from your delivery line. It should not be
used for bulk fluid transfer.
Once enabled, remote fluid recovery should be operated in the following sequence:
1. Send a remote stop signal (apply 5 - 24 volts to input pin 1).
2. Apply 5 - 24 volt to pin 5 of the pump input.
3. Remove the remote stop signal.
4. Apply 4 - 20mA to the analog input. This will cause the pump to run in reverse at a
speed proportional to the analog signal.
5. Apply remote stop signal when enough fluid has been recovered.
6. Remove the voltage at pin 5 of the pump inputs.
7. Remove the remote stop signal when you are ready to run forwards again.
m-qdos-en-02 83

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