EMS 5002 Operator's Manual page 19

4) NOX Sensor; part #: EMS-5065; 6 month min. re-calibration for accuracy and 2-3 Year
Interval change out, or ERROR code NOX Z WARN 5002 model.
· NOX Sensors should re-calibrated a min of 6 month intervals. New NOX sen-
sors require re-calibration as well as NOX accuracy checks.
· NOX Sensor NOX C WARN model 5002 will appear if the sensor is bad.
· TOOLS: 2 mm key style allen wrench
· Remove the 12 #6 button head screws with 2mm allen. Be careful not to strip
allen head when loosening & ONLY FINGER tight when tightening.
· Remove the cover, NOX located in the back left. Unplug the four pin connector
on the top of the sensor, loosen turning counter clockwise and remove. Install
new sensor, marking install date, turning clockwise into the sensor block. Re-
attach the four pin connector to the sensor. Attach cover back on the main
housing.
5) 5) Water Trap Assembly Filter; part #: EMS-5371; 3-6 month min. Interval
· Water Trap Assembly filter is a disposable filter, with the sample flow from inside/
out so you will not see contamination. Carbon build up could cause a LOW Flow
error. Unscrew the filter bowl turning clockwise to loosen. Unscrew the filter retainer
turning clockwise, remove the coalescing filter. Install new filter, tighten filter re-
tainer counterclockwise, Screw on the filter bowl turning counter clockwise to
tighten. NOTE: The air flow through this filter is from the inside/out, so to inspect
the filter contamination, the coalescing filter must be removed to inspect.
6) General Every Day Operation Tips for Instrument Life.
· Turn the 4 or 5 gas on in the morning in display mode and allow the instrument
to warm up and go into auto shut down mode. This will keep the bench ready
for use when needed, with out having to wait for the instrument to warm up.
This will not damage the unit and help save time when your ready to use the
analyzer.
·
Maintenance
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