Lauda MC 250, Operating Instructions Manual, Page: 36 / 72

WARNING!
Overflow of heat transfer liquid
Electric shock
 Ensure that the device is not overfilled. Note the
level indicator and the thermal volume expansion of
the heat transfer liquid.
1. Check whether the drain plug is closed.
The drain plug is closed if it is turned clockwise as
far as the stop.
2. Carefully pull up the cover of the filler nozzle; do not turn.
3. Fill the heat transfer liquid into the filler nozzle carefully. Mon-
itor the level indicator.
If necessary, use a funnel for the filling.
The level indicator must not be above the max-
imum fill level.
The level indicator must be above the minimum
level. Otherwise a warning is output and the
device is switched off with an alarm after approx.
5 minutes.
4. Press the cover carefully into the filler nozzle.
5.6 Setting pump pressure
For devices with bypass (starting from
M
C
6
00), the pump
pressure can be set using a control valve on the rear side of the
device. Individual setting of the pump pressure is possible with this
when using pressure-sensitive external consumers.
Commissioning
Microcool 36