Pfannenberg DTT 6801 Series User Manual

Operating Manual DTT 6801 Multicontroller (MC) 086100037 © Pfannenberg GmbH Page 43 / 49
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5.2 Cleaning the cooling unit - Unit cover removal
Requirement
- The cooling unit is de-energized.
Procedure
 Loosen and remove the front panel; see Loosening the front panel.
Always disconnect the ground cable before removing the front panel.
 Loosen and remove the unit cover; see unit cover removal.
 Always disconnect the ground cable before removing the unit cover.
 The unit cover is removed.
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 filter mats.
 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
- Fine washing 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 with a temperature of up to 40 °C and commercially available fine washing
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.

Pfannenberg DTT 6801 Series Specifications

General

Brand	Pfannenberg
Model	DTT 6801 Series
Category	Controller
Language	English