Lauda MC 250, Operation Instructions Manual

Page: 47 / 64

7.3 Cleaning the device
Personnel:
n
Operating personnel
WARNING!
Ingress of cleaning agents in the device
Electric shock

Use a moist cloth for cleaning.
Also note the following:
n
Only clean the control panel with water and detergent. Do not use ace-
tone or solvents. The consequence would be permanent damage of the
plastic surfaces.
7.4 Cleaning air-cooled condenser
Personnel:
n
Operating personnel
1. Switch off the device.
2. Remove the front cover by holding underneath with both hands and
pulling the grating to the front. Remove the front cover slowly and
carefully to prevent damage.
3. Brush off or vacuum the condenser.
4. Replace the front cover carefully.
7.5 Checking heat transfer liquid
Contaminated heat transfer liquid must be replaced. Further use of the heat
transfer liquid is only permitted with appropriate test results.
The heat transfer liquid must be checked according to DIN 51529.
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