12 Decommissioning; Decommissioning Procedure; Recommissioning Procedure; 13 Disposal - DeDietrich 24 Installation And Service Manual

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12 Decommissioning

Important
When connecting a Room Unit/"Open Therm" Control Unit to the boiler, the code "254" is always shown in the
event of a fault. Read the fault code shown on the boiler display.
12 Decommissioning
12.1

Decommissioning procedure

Important
Only qualified professionals are authorised to work on the boiler and the heating system.
Proceed as follows to disassemble the boiler:
1. Switch off the boiler.
2. Disconnect the power supply to the boiler.
3. Close the gas valve to the boiler.
4. Close the inlet cock for domestic cold water in the boiler.
5. Tap domestic water by opening a cock to relieve pressure from the domestic water circuit.
6. Drain the heating installation.
Warning
If the boiler was in operation, wait for the water contained in the heating installation to cool down.
7. Remove the pipe connecting the boiler to the chimney and close the connection with a plug.
8. Unscrew the hydraulic and gas connections in the lower part of the boiler.
Warning
Moving the boiler is a job for two people.
12.2

Recommissioning procedure

Important
Only the Service Network is authorised to work on the boiler and the heating installation.
Should you need to recommission the boiler, follow the instructions for disassembly in the reverse order.

13 Disposal

13.1

Disposal and recycling

The appliance is composed of multiple components made from various different materials, such as steel, copper, plastic,
fibreglass, aluminium, rubber, etc.
DISMANTLING AND DISPOSAL OF THE APPLIANCE (WEEE)
After being dismantled, this device must not be disposed of as mixed urban waste.
This type of waste must be sorted in order for the materials the appliance is made up of to be recovered and reused.
Contact your local government for more information on the recycling systems available.
Incorrect waste management may have potentially negative effects on the environment and human health.
When old appliances are replaced with new ones, the seller is legally bound to remove the old appliance and dispose of it free
of charge.
The symbol, on the appliance, shows that it is prohibited for the product to be disposed of as mixed urban waste.
Warning
Removal and disposal of the boiler must be carried out by a qualified installer in accordance with local and national
regulations.
Proceed as follows to dismantle the boiler:
1. Disconnect the power supply to the boiler.
2. Close the gas supply device upstream of the boiler.
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