Decommissioning
Installation and maintenance instructions ecoTEC plus 0020134833_01
83
15
14.11.3 Replacing the PCB on the layered storage
tank
>
Comply with the assembly and installation manuals pro-
vided with the spare parts.
>
Unscrew the bolt from the cover of the layered storage
tank and remove the cover.
1
14.19 Replacing the PCB on the layered storage tank
>
Remove the electronics box with the layered storage
tank PCB (
1
) from the appliance slot.
>
Open the electronics box and remove the plug.
>
Install the new PCB in reverse order.
>
Start up the unit.
15 Decommissioning
15.1
Temporarily shutting down the boiler
b
Caution.
Risk of frost damage due to incorrect
shutdown.
If you switch off the boiler using the on/off
switch or disconnect it from the power
mains, this can cause frost damage to the
heating installation.
>
Only shut down the boiler fully if the
heating installation is otherwise pro-
tected from frost.
>
Drain the heating installation fully.
50
1
2
15.1 Switching off the boiler
>
Close the gas isolator cock.
>
Close the cold water stop valve.
>
Drain the heating installation fully (
¬ section 12.2.2
).
>
Press the on/off switch (
1
).
The display (
2
) goes off.
15.2
Taking the boiler permanently out of
service
>
Close the gas isolator cock.
>
Close the cold water stop valve.
>
Drain the heating installation fully (
¬ section 12.2.2
).
>
Press the on/off switch (
1
).
The display (
2
) goes off.
>
Isolate the boiler from the power mains.
>
Dispose of the boiler correctly (
¬ section 15.3
).
Summary of Contents for ecoTEC plus VUI
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