Pfannenberg DTI 6201C, Operating Manual

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Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 37 / 43
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.