Hach 9523sc User Manual page 12

Figure 5 Mounting dimensions
3.3 Electrical installation
3.3.1 Connect the controller to power
Connect the controller to line power by hard-wiring in conduit. Refer to the controller documentation
for instructions.
3.3.2 Connect external devices to the controller
Connect the controller relays, analog outputs and digital inputs to external devices as necessary.
Refer to the controller documentation for instructions.
3.3.3 Wiring the instrument for power
Electrocution hazard. Protective Earth Ground (PE) connection is required.
Electrical shock and fire hazards. Make sure to identify the local disconnect clearly for
the conduit installation.
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D A N G E R
D A N G E R