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5.2.3 Wiring External Power Disconnection Switch
The mains power must be connected through an external 2-pole disconnection switch, so that the power to
the analyzer can be isolated without opening the electronics enclosure.
The external power disconnection switch must be located in an easily accessible location, with a
maximum distance of 2 meters from the analyzer.
The switch must be clearly marked for its purpose.
The switch must comply with local electrical regulations, and have a breaking capacity of 10 Amps or
greater.
Figure 11 below illustrates the positioning and the installation of the disconnection switch.
Figure 11 External Power Disconnection Switch
When the wiring of the system is completed, the power up of the system should be carried out in the order
below:
i) While the external disconnection switch is powered off, power on the internal MCB
(miniature circuit breaker) in the BioTector.
ii) Close BioTector electronics enclosure.
iii) Switch on the external disconnection switch.
The power off of the BioTector should be carried out by switching off with the external disconnection switch
followed by the internal MCB.
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