DANGER!
Risk of hot heat transfer liquid escaping
Fire
Degas slowly and carefully. Avoid ignition sources in the
vicinity of the filling nozzle and overflow.
DANGER!
Hot heat transfer liquid in the expansion vessel
Fire
Keep the cover of the expansion vessel closed during oper-
ation.
5.3 Changing/draining heat transfer liquid
WARNING!
Contact with hot or cold heat transfer liquid
Scalding, cold burns
Bring the heat transfer liquid to room temperature before
draining.
WARNING!
Splashing heat transfer liquid
Eye damage
Always wear suitable safety glasses when working on the
device.
Observe the regulations for the disposal of used heat transfer liquid.
1. Allow the device and heat transfer liquid to cool or warm up to room
temperature.
2. Turn o the device and pull out the mains plug.
3. Attach a hose to the drain nozzle.
4. Place the hose in a suitable container to collect the heat transfer
liquid.
It may be necessary to drain the device several times if the
filling volume is high.
Fig. 25: Attaching hose
V6PRO bath thermostats and circulation thermostats64 / 156
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