DE DIETRICH 220 SHL - Manual (Page 15)

4 Operating the appliance
4.1 Putting the appliance into operation
CAUTION
Initial commissioning must be done by a qualified
professional.
CAUTION
During the heating process, a certain amount of water may
flow through the valve or safety unit, this is caused by
water expansion. This phenomenon is completely normal
and must in no event be hindered.
Once the DHW tank has been connected to the mains, the unit is
managed from the boiler control panel.
When in use, no direct action is needed on the DHW tank.
4.2 Antifreeze protection
WARNING
Do not switch off the mains supply.
4
Antifreeze protection is guaranteed.
4
Protection of the tank against corrosion.
4.3 Shutting down the solar control system
CAUTION
Do not shut down power to the control system or drain the
heat-exchanging fluid.
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220 SHL 4. Operating the appliance
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