Hach SC4500 - Remove the High-Voltage Barrier; Wiring for Power

Figure 7 Open the controller
3.3.3.2 Remove the high-voltage barrier
High-voltage wiring for the controller is located behind a high-voltage barrier in the controller
enclosure. Do not remove the barrier while power is supplied to the controller. Make sure that the
barrier is installed before power is supplied to the controller.
Remove the high-voltage barrier to get access to the high-voltage wiring. Refer to Figure 8.
Figure 8 High-voltage barrier
3.3.3.3 Wiring for power
D A N G E R
Electrocution hazard. Protective Earth Ground (PE) connection is required.
English 15