Hach QP 1680-TOC/TNb Basic User Manual page 12

Figure 5 Connect to carrier gas
4.5 Connect the waste tubing
The analyzer has a waste connector to discard the water after the analysis. Refer to
steps that follow.
1. Use 4-mm OD tubing to connect the waste. The waste connector is a push-in connector. Push
the tubing firmly into the waste connector.
2. Put the other end of the tubing in a sink or a waste container within 3 m (9.8 ft) of the analyzer.
Figure 6 Connect the waste tubing
4.6 Assemble the combustion tube
Do not start the analyzer without the combustion tube installed. Refer to
follow.
1. Remove the top cover of the furnace.
2. Put the combustion tube in the furnace.
3. Use the thumbscrews to attach the furnace tube.
4. Do not connect the gas line to the combustion tube.
12 English
Figure 6 and the
Figure 7and the steps that