U. Flow meter, 0.05-0.5 scfh
V. Pneumatic actuator
W. Combination filter/regulator, 0.60 psig (0.04 barg)
X. Check valve, 5 psig (0.3 barg)
Note
Wall mount the air-operated blowback valve on a suitable mounting plate.
Note
Actuating air pressure at blowback valve inlet port must be at least 51 psig (3.5
barg) to fully actuate the valve.
Note
If instrument is to be used as the high O
2
calibration gas, the low O
2
and COe
calibration gases must also be set to the same pressure.
2.5 Initial start-up
Observe the following Caution.
Refer to Configuration and start-up for start-up information.
CAUTION
Damage can result from having a cold transmitter exposed to the process gases.
If ducts will be washed down during outages, make sure to power down the
transmitter and remove it from the wash area.
Upon completing installation, make sure that the transmitter is turned on and
operating prior to firing up the combustion process.
During outages, and whenever possible, leave the transmitter running to
prevent condensation and premature aging from thermal cycling.
Install Manual
December 2022 00809-0500-4880
52 Emerson.com/Rosemount
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