ecocool 100R
Page 13
Operating Manual
www.grantinstruments.com
4.7
Recommended liquids
The following table lists the recommended liquids for different temperature ranges.
Always ensure the liquid used is safe and suitable for your working temperature.
It is the user organisation
’s responsibility to assess the risks associated with the choice
of heat transfer liquid chosen and to put in place safe working practises and appropriate
protective equipment for personnel when considered necessary.
To ensure protection, the overtemperature cut-out must be set appropriately
for the heat transfer liquid selected (see table below).
Use fume extraction when using silicone fluids at elevated temperatures
Temp range
Recommended liquid
Comments
-20°C to 50°C
50% water, 50%
antifreeze (inhibited
ethylene glycol)
Ethylene glycol is toxic
– follow the
manufacturer’s instructions.
For safe disposal consult the local regulations.
Use a lid to reduce the dilution of the mixture
caused by condensing water vapour from the
air, and to maintain the cool down rate.
0°C to 50°C
80% water, 20%
antifreeze (inhibited
ethylene glycol)
5°C to 95°C
Water*
Water can be used but care should be taken
above 60°C as hot vapour can be dangerous.
The equipments should not be used to boil
water.
0°C to 100°C
Silicone fluid
Viscosity ~20cs
Flash point ≥230°C
Fire Point ≥280°C
Dow Corning DC200/20 silicone fluid is a
suitable liquid
– follow the manufacturer’s
instructions.
For safe disposal consult the local regulations.
* See section 7.1 for further details
