DE DIETRICH WHE 2.24 _ WHE 2.24 FF - Manual (Page 9)

9
17/07/2008 - 300011777-001-C WHE 2.24 / WHE 2.24 FF
4. Operating the appliance
4.4 Restart of the boiler
Initial commissioning must be done by a qualified
professional.
1. Open the gas valve.
2. Set the boiler thermostat to the desired setting.
3. When preparing domestic hot water: Set the DHW thermostat to
the desired setting.
4. Set the On/Off switch to
z
.
If the flame is not detected, the boiler tries to ignite 4 more times
before going into safety shutdown.
5 Checking and maintenance
Make the following checks at least 1 time a year:
- Safety devices
- Water level
- Checking burner safety
- Checking the gas inlet Carry out the following maintenance at least 1 time a year:
- Principal exchanger
- Plate exchanger
- Burner
- Cleaning the "cold water" filter
- Cleaning painted surfaces
Ignition cycle
Light 1 Light 2
/
Light 3
/
Light 4
/
1. Operational test for a few seconds Flashing rapidly Off Off Off
2. Test successful, the boiler is on standby On Off Off Off
3. When heating is required, the ignition
sequence starts up
On Off On On