De-dietrich WHE 2.24 _ WHE 2.24 FF User Manual download pdf (Page 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



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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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De-dietrich WHE 2.24 _ WHE 2.24 FF User Manual Page 9