9
mAinTenAnce AnD
TroubleshooTing
9.1
safety instructions
danger
Danger due to electrical voltage
▶ Shut down the electrical power source of all the conductors and
isolate it before carrying out work on the system.
▶ Observe all applicable accident protection and safety regula-
tions for electrical equipment.
risk of injury due to high pressure in the installation.
▶ Stop the circulation of fluid, cut off the pressure and drain the
pipe before loosening the process connections.
risk of injury due to high fluid temperatures.
▶ Use safety gloves to handle the device.
▶ Stop the circulation of fluid and drain the pipe before loosening
the process connections.
risk of injury due to the nature of the fluid.
▶ Respect the prevailing regulations on accident prevention and
safety relating to the use of hazardous products.
18
English
Type 8220
Maintenanceandtroubleshooting
Warning
risk of injury due to non-conforming maintenance.
▶ Maintenance must only be carried out by qualified and skilled
staff with the appropriate tools.
▶ Ensure that the restart of the installation is controlled after any
interventions.
9.2
maintenance of the device and
the conductivity sensor
• Do not scratch the sensor surface while cleaning it.
• Store the sensor in a dry place.
Clean the device with a cloth slightly dampened with water or a
cleaning liquid compatible with the materials the device is made of.
→
Check regularly that the conductivity sensor is clean and clean it
with water if necessary.
Please feel free to contact your Bürkert supplier for any additional
information.