Lauda PROLINE Kryomats Series, Руководство по эксплуатации

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Proline Kryomats
YAUE0007 / 2/26/2009
Preparation
27
6.2 Filling and draining
Filling
) −
Close the drain cock.
−
Carefully remove all residues of the previous
heat transfer liquid (blow dry and remove
screw plugs!).
−
Maximum filling level is up to 10 mm below
the top edge of the bath. Overfilling leads to
the display of the warning
VW@pl0/2
(
Ö
7.12.4). Changes in volume of the heat
transfer liquid during temperature changes
should be taken into account.
−
Best operation is with a level 30-80 mm below
the top edge of the bath.
−
The cooling pipe of the evaporator should be
covered.
−
Low-level cut-off occurs at about 95 mm
below the top edge of the bath.
) −
The units are designed for use with non-flammable and flammable liquids to
DIN EN 61010-2-010. Flammable liquids must not be used higher than 25 °C below its
fire point (
Ö
6.3).
−
When using heat transfer oils note that they expand on heating (approx. 10%/ 100 K).
With enclosed external loads, the overall expansion takes place in the bath of the
Proline Kryomat.
−
Ensure that with the connection of an external load, the liquid level does not drop
impermissibly due to filling the load
Æ
top up with liquid if necessary.
−
Set the upper and lower temperature limits (
Ö
7.6.2) in accordance with the limits of the
heat transfer liquid in use.
Draining
−
Switch off the thermostat on the mains switch (rotary
switch) withdraw the mains plug.
−
The drain cock is located behind the front panel.
−
Unscrew the olive with union nut on the drain point
(G3/8") and fit the hose onto the drain point.
−
Open the drain tap and run off the heat transfer liquid.
−
Close the drain tap.
) −
Follow the regulations for the disposal of used heat transfer liquids.
Do not drain heat transfer liquid when it is hot or at bath temperatures below
0 °C!
Drain cock