DE DIETRICH DTG 230 - Manual (Page 11)

11
09/03/2011 - 300011506-001-D DTG 230
4. Operating the appliance
4.3 Switching off the boiler
Set the On/Off switch to 0.
„
DIEMATIC-m3 control panel
The panel must always be supplied with 230V voltage:
- to ensure the anti-grip of the heating pump,
- to ensure Titan Active System® operation when a titanium anode
is protecting the DHW tank.
Use the mode:
- summer to shut down the heating.
- antifreeze to shut down the boiler if you are to be absent.
4.3.1 Precautions to take if there is a danger of frost
Heating circuit:
Use a correctly dosed antifreeze to prevent the heating water
freezing. If this cannot be done, drain the system completely. In all
cases, consult the fitter. Domestic hot water circuit:
Drain the domestic water tank and pipes.
4.3.2 Precautions to take in the event of prolonged shutdown (one year or more)
- Close the gas valve
- The boiler and the chimney must be swept carefully.
- Close the door of the boiler to prevent the internal circulation of air.