Electrical And Signal Ground; Start Up And Configure The Gas Chromatograph; Apply Carrier And Actuation Gas - Emerson Rosemount 370XA System Reference Manual

System Reference Manual
7P00370-H01
3.13.2

Electrical and signal ground

Follow these general precautions for grounding electrical and signal
lines:
•
•
3.14 Start up and configure the gas
chromatograph
3.14.1

Apply carrier and actuation gas

If the carrier gas and actuation gas are the same supply, start them
together.
If a separate actuation gas supply is being used, apply pressure and
leak check the actuation gas first, and then repeat for the carrier gas.
3 - 46
On ATEX-certified units, the external ground lug (1) must be
connected to the customer's protective ground system via 9
2
AWG (6 mm ) ground wire. After the connection is made, apply
a non-acidic grease to the surface of the external ground lug to
prevent corrosion.
The equipment-grounding conductors used between the GC
and the copper-clad steel ground rod must be sized according
to your local regulations.
370XA Gas Chromatograph
APRIL 2014