EC900 Series Operation Manual V4.7
7.3 Electrical Installation
The instrument is operated from AC line power, voltage of between 90 and 260 VAC, 50 – 60 Hz.
Automatically sensed by the analyzer.
The IEC standard cable supplied should be connected to a captive plug with an integral earth
connection and wired to a fused supply, as follows:
Brown to Live
Blue to Neutral
Green/Yellow to Earth
Note that the cartridge also contains a fuse. This fuse must be installed to ensure proper operation of
the instrument. It is rated 2A @ 250V, slow-blow type. Replace only with fuses of equivalent ratings.
Connect power in accordance with the label on the chassis.
DO NOT SWITCH ON UNTIL YOU READ THE NEXT SECTION – USING THE
INSTRUMENT
8.0 USING THE INSTRUMENT
Start-Up
1. Ensure the sample gas lines have been connected and purged with the advice given in
section 6, Installation.
2. Ensure that the sample pressure is within the specification limits.
3. Ensure the power supplied is correct to the configuration.
4. Apply power. All segments of the LED’s on the display will light and then read the software
version i.e. C2.18. If there are any faults the display will alternate between a display of
oxygen and the fault message. Refer to the Section 16 for explanation of fault messages.
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