Maintenance
94
89217391 Rev. A
©2022 nVent
CAUTION
Risk of injury - the expansion vessel is under pressure!
The expansion vessel in the unit is under pressure when the unit is switched off
and depressurised.
When working on the expansion vessel, exercise extreme caution.
NOTICE
Risk of damage to the electronic components!
Take suitable measures (ESD protection measures) to prevent the electronic
components from being damaged due to electrostatic discharge.
Note concerning the protection of the environment
The improper disposal of the media/liquids that are used has a negative impact
on the environment.
•
Ensure that the media/liquids are not released into the sewage system or
soil.
•
The media/liquids must be disposed of separately and supplied separately
to the recycling centres.
•
Comply with material safety data sheets.
•
Comply with the applicable national and local rules and regulations.
NOTE
Prior to performing any maintenance tasks or repairs, switch the unit off via the
maintenance switch!
NOTE
Do not use any detergents containing solvents.
Keep the entire system clean.
NOTE
If you want to order spare parts, please refer to spare parts catalogue included in
the scope of supply.
NOTE
Installed pressure sensors can be replace without stopping the device.
First remove the electrical connector. Then remove the pressure sensor from the
device.
If you first remove the pressure sensor, the device will stop.
