DE DIETRICH DTG 230 - Manual (Page 9)

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09/03/2011 - 300011506-001-D DTG 230
4. Operating the appliance
4 Operating the appliance
4.1 Commissioning the boiler

Initial commissioning must be done by a qualified
professional.
1. Check the water pressure in the installation. Top up with more
water if necessary.
2. Open the gas valve.
3. Make the settings on the control panel:
` B3 control panel:
- Turn the switch TEST-STB/ . / % to . .
- Turn the pump shutdown switch to 9
- Set the boiler thermostat to the desired setting.
- When preparing domestic hot water: Set the DHW thermostat to
the desired setting. Setting 6 (approx 60) recommended.
` DIEMATIC-m3 control panel:
- Turn the AUTO / ! / TEST STB switch to AUTO.
- Turn the pump shutdown switch to 9
- Set the boiler thermostat to maximum (between 7½ and 9).
` K3 control panel (Secondary boiler in cascade with a
DIEMATIC-m3 boiler):
- Set switch AUTO / ! / TEST STB to the AUTO position.
4. Turn the burner switch to 2 (2 stage version)
5. Check that the safety thermostat has not triggered. Remove the
safety thermostat hood and press the reset button with a
screwdriver.
6. Set the On/Off switch to 1.
 Only for control panel DIEMATIC-m3:
When the boiler is switched on, the tank exchanger is purged
for one minute if a tank is connected and its temperature is
lower than 25°C.
If disgassing has already taken place, press the MODE key to
suspend disgassing.

Only for control panel DIEMATIC-m3:
On commissioning, it is necessary to select the desired
language with the + and - keys and confirm with the MODE key.
4.2 Changing the settings
4.2.1 B3 control panel
Heating temperature setting: Set the boiler thermostat to the
desired setting.
Setting the domestic hot water temperature: Set the DHW
thermostat to the desired setting.