Distilled water or fully deionised water should only be used with the addition of 0.1 g per
litre sodium carbonate (Na
2
CO
3
), otherwise danger of corrosion!
Water content falls after prolonged operation at higher temperatures and mixture becomes
flammable (flash point 119 °C) check mixture ratio with a hydrometer.
Water is only allowed to be used for the models T 1200 (W) and T 2200 (W).
The T 4600 (W), T 7000 (W) and T 10000 (W) should not be filled with pure water, but only
with Kryo 30 or a water-glycol mixture (minimum 70 % : 30 %)!
When selecting heat transfer liquids it should be noted that performance must be
expected to worsen at the lower limit of the operating temperature range due to
increasing viscosity. The full operating range should only be utilised if really necessary.
The application ranges of heat transfer liquids and tubing are for general information only
and may be restricted by the operating temperature range of the equipment.
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