Designation
Container size
Catalog number
Kryo 51 LZB 121 LZB 221 LZB 321
Kryo 30 LZB 109 LZB 209 LZB 309
Kryo 20 LZB 116 LZB 216 LZB 316
Aqua 90 LZB 120 LZB 220 LZB 320
Therm 250 LZB 122 LZB 222 LZB 322
Therm 180 LZB 114 LZB 214 LZB 314
Therm 160 LZB 106 LZB 206 LZB 306
When using Kryo 30:
The water content decreases during longer periods of operation at
higher temperatures and the mixture becomes combustible (flash point
119°C). Check the mixing ratio using a hydrometer.
When using Aqua 90:
Evaporation losses occur at higher temperatures. In this case, use a bath
cover.
Never use silicone oil in silicone tubes.
When using mineral oils:
Do not use in combination with an EPDM hose.
The proportion of alkaline earth ions in the water must be between
0.71 mmol/L and 1.42 mmol/L (equivalent of 4.0 and 8.0 °dH). Harder
water leaves limescale deposits in the device.
The pH value of the water must be between 6.0 and 8.5.
Distilled, deionized and demineralized water are unsuitable due to their
reactivity. High-purity water and distillates are suitable as a heat transfer
liquid after 0.1 g of soda (Na
2
CO
3
, sodium carbonate) is added for every
liter of water.
Sea water is unsuitable due to its corrosive properties.
Avoid chlorine content in the water at all costs. Do not add chlorine
to the water. Cleaning agents and disinfectants, for example, contain
chlorine.
The water must be free of impurities. Water with iron content is unsuit-
able due to rust formation and untreated river water is unsuitable due to
algae growth.
The addition of ammonia is not permitted.
5.2 Filling the device
LAUDA is not liable for damages resulting from the use of unsuitable heat
transfer liquids. Approved heat transfer liquids Ä Chapter 5.1 “LAUDA heat
transfer liquids” on page 59.
Heat transfer liquid, water
V6PRO bath thermostats and circulation thermostats60 / 156
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