Page 39 | 49
11
Cleaning and Maintenance
Risk of electric shock!
A faulty electrical installation, excessive line voltage, or incorrect
operation may result in an electric shock.
Always turn off and unplug the Dumo when you are not using it, when you intend to clean it, or in
the event of a malfunction.
Stand on an insulating pad and make it a habit to only use one hand when checking components.
Always work with another person in case an emergency should occur.
Disconnect power before checking the Dumo or performing maintenance.
Make sure all equipment is properly grounded.
Always wear safety glasses when working on the power supply.
Read and understand user manual before installation.
Interval during first
month of operation
Content
Daily
Visual inspection of the outer parts of the instrument, its accessories, media
supplies and cables to assure that there are no obvious damages.
Check that the fan is rotating freely
Check that all operations are according to the initial intended condition.
Weekly
Check that the lid, the cable glands or conduits are closed and tight
Remove the front cover of the Dumo and clean the probe with compressed
air, a fabric or if necessary, a brush.
Remove the rear cover of the Dumo and clean the fan with compressed air,
a fabric or if necessary, a brush
Perform a bump test by applying an unusual amount of dust to the sensor
and observe that it will react
Risk of malfunction
for
critical
installations where malfunctions may lead
to dangerous and hazardous situations and severe consequential health
impacts.
If you find unusual behavior, contact Sintrol or your local distributor to make sure that the
instrument is inspected and approved by an expert consultant who is responsible for the integrity of
the system design and compliance with locally accepted codes.
Always follow the above specified cleaning and maintenance intervals and contents.
For
uncritical
installations where malfunctions
DO NOT
lead to dangerous or hazardous situations or any
consequential health impacts:
Interval after first month
for uncritical installations
Content
Depending on condition
The cleaning and maintenance interval vary, depending on monitoring
conditions, dust concentrations and other substances in the measuring gas.
It is subject of the plant operator to decide if longer or shorter intervals are
necessary or appropriate.
Summary of Contents for Sintrol Dumo
Page 45: ...Page 45 49 15 Appendix 15 1 ISO 9001 certificate ...
Page 46: ...Page 46 49 15 2 MODBUS RTU register map ...
Page 47: ...Page 47 49 ...
Page 48: ...Page 48 49 ...