38 Getting Started 083730300A DCN8101
COULD DAMAGE INSTRUMENT AND VOID WARRANTY
Maximum Pressure:
Ideally the maximum pressure of any gas at the sample
inlet should equal ambient atmospheric pressure and
should NEVER exceed
1.5 in-hg above ambient pressure.
Venting Pressurized Gas:
In applications where any gas (span gas, zero air
supply, sample gas is) received from a pressurized
manifold, a vent must be provided to equalize the gas
with ambient atmospheric pressure before it enters the
analyzer to ensure that the gases input do not exceed
the maximum inlet pressure of the analyzer, as well as
to prevent back diffusion and pressure effects. These
vents should be:
• at least 0.2m long
• no more than 2m long
• vented outside the shelter or immediate area
surrounding the instrument.
Dust Plugs:
Remove dust plugs from rear panel exhaust and supply
line fittings before powering on/operating instrument.
These plugs should be kept for reuse in the event of
future storage or shipping to prevent debris from
entering the pneumatics.
IMPORTANT
Run a leak check once the appropriate pneumatic
connections have been made; check all pneumatic fittings
for leaks using the procedures defined in Section 5.6.3.
See Figure 2-2 and Table 2-2 for the location and descriptions of the various pneumatic
inlets/outlets referenced in this section.
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