4690 Series
Turbidity systems
4 Electrical Connections
12
IM/4690–EN Rev. A
4 Electrical Connections
4.1 Access to Terminals
4.1.1 Wall- / Pipe-mount Analyzer
Referring to Fig. 4.1:
a
Slide cover down, pull out slightly and slide it off.
b
Release captive screws.
c
Remove protection cover.
4.1.2 Panel-mount Analyzer
Referring to Fig. 4.2:
a
Remove securing nuts.
b
Remove cover.
c
Remove mains terminals protection cover.
Warning.
Although certain analyzers are fitted with internal fuse protection, a suitably rated external disconnecting device such as a
switch or circuit breaker conforming to local safety standards must be fitted to the final installation.
Before making any connections, ensure that the power supply, any high voltage-operated control circuits and high
common-mode voltages are switched off.
Fig. 4.1 Access to Terminals – Wall- / Pipe-mount Analyzer
1
2
3
Earth (Ground)
Studs
Fig. 4.2 Access to Terminals – Panel-mount Analyzer
2
3
1
