Lauda ECO GOLD Operation Manual page 36

Draining and changing the heat transfer liquid
Completely drain the bath, external consumers, accessories and hose connections and flush or clean them (e.g. with
new heat transfer liquid).
Caution!
Caution!
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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.
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.
ECO Gold
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 via the drain tap at the back of
the device.
Drain tap, cooling thermostats
Drain tap, heating thermostats
10/2019 i