Lauda ECO Silver E 4 S, Operation Manual

Page: 35 / 128

10/2019 i
ECO Silver 35 / 124
Draining and changing the heat transfer liquid
–
Switch off the thermostat and withdraw the mains plug.
–
Allow the device and heat transfer liquid to cool down to or warm
up to room temperature.
–
Push a hose onto the bath drain point.
–
Drain the heat transfer liquid by opening the drain tap at the back
of the device.
1 Drain tap, cooling thermostats
2 Drain tap, heating thermostats
Completely drain the bath, external consumers, accessories and hose connections and flush or clean them (e.g. with new
heat transfer liquid).
Caution!
Contact with hot / cold heat transfer liquid
Scalds, frostbite
 Bring heat transfer liquids to room temperature before
draining.
 Make sure that the drain tap is closed after draining.
Caution!
Delay in boiling and thermal decomposition due to liquid residues
Burns, scalds, development of harmful vapors
 Remove all old heat transfer liquid completely from the bath,
external consumers, accessories and hoses. Flush and clean
them with new heat transfer liquid.
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2