Pfannenberg DTI 6801 Serie Manuel D'utilisation page 80

GB
5.3 Cooling unit and filter mat cleaning tasks
NOTE
Danger of damage to the filter mat due to improper cleaning
 Do not wring out the filter mat.
 Avoid water jets with high pressure.
 Immediately replace filter mats that are contaminated with oil or grease.
Requirements
- The cooling unit is de-energized.
- The unit cover is removed.
 Time intervals for the cleaning or replacement of filter mats depend heavily on the ambient air contamination.
Required tools and material
- Brush
- Water below 40 °C
- Mild detergent
- Vacuum or compressed air cleaner
Procedure
 Clean the heat exchangers using a soft brush or compressed air.
 If the cooling units have a pre-filter, the filter mat must be cleaned at regular intervals.
 Wash the filter mat with water at a temperature of up to 40 °C and commercially available mild detergent.
 If the dirt is dry, vacuum, blow or knock the dirt off of the filter mat.
 Ensure that correct and safe operation is assured after cleaning.

The cooling unit is clean.
Operating Manual DTS and DTI 6801 Multi-Controller (MC) 086100008c © Pfannenberg GmbH Page 37 / 43