Lauda MC 250, Operating Instructions Manual, Page: 53 / 72

4. Drain the condenser afterwards.
Further information about draining the condenser
can be found in .
5. Reconnect the device to the water supply and rinse it thor-
oughly.
Allow at least 10 litres of water to flow through the
device.
7.7 Checking the heat transfer liquid
Soiled or degenerated heat transfer liquid must be replaced. Fur-
ther use of the heat transfer liquid is only permitted with appro-
priate test results.
The heat transfer liquid must be checked according to DIN 51529.
Maintenance
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