Electrical Overview; Electrical Safety; Connect A Device To The Modules - Hach CODmax III User Manual

3.6.2 Electrical overview

Pull the handle on the analysis section to access the internal electrical connections. Refer to
Figure 10.
Figure 10 Electrical overview
1 Electrical connections
2 Air circuit breaker

3.6.3 Electrical safety

The air circuit breaker automatically cuts off the main power supply from the AC power line if an
overcurrent (e.g., short circuit) occurs. Keep the air circuit breaker switch in the up (on) position.
Insert or remove the power cord from the electrical outlet to apply or remove power to the instrument.

3.6.4 Connect a device to the modules

To connect an external device (e.g., pretreatment device, alarm, recorder) to a module, refer to the
steps that follow. Make sure to obey the connection requirements in
1. Disconnect power from the instrument.
2. Open the analysis section. Refer to
3. Put the cable through a strain relief fitting. Refer to
4. Strip the wires to 7 mm (0.275 inch).
5. Install each wire in the connector. Refer to
6. Tighten the cable strain relief.
7. Push to close the analysis section. Listen to make sure that the panel moves fully into the latch.
8. Close the doors.
9. Connect power to the instrument.
20 English
3 Air circuit breaker switch
Figure 10 on page 20.
Electrical access ports
Table 3 for the applicable wiring information.
Specifications on page 3.
on page 19.